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FIG. 1 is an exemplary schematic diagram of a capacitor 100 in accordance with the prior art. The capacitor 100 includes a first plate 110, a first electrode 115 coupled to the first plate and permitting interconnection with other circuit elements (not shown in FIG. 1), a second plate 120 together with a second electro... | {
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The invention relates to fuel control valves for diesel engines. | {
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1. Field of the Invention
The present invention relates to a vehicular battery charging switch and more particularly pertains to electrically connecting an alternator with a battery of a vehicle for charging when held downwards or held level and disconnecting an alternator with a battery of an alternator when tilted up... | {
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1. Field of the Invention
The present invention relates to a molded package and a light emitting device.
2. Description of the Related Art
A light emitting device using a frame insert type resin package tends to accumulate heat generated by a light emitting element in the resin package, and it is thus required to impro... | {
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Conventionally boats are transported and stored in their normal keel side down position. This applies usually to boats in the length of 4-8 meters. For storage and maintenance purpose on land, smaller light weighted boats are turned around their longitudinal axis by hand, thus the boats are stored keel side up. Boats l... | {
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Input devices including proximity sensor devices (also commonly called touchpads or touch sensor devices) are widely used in a variety of electronic systems. A proximity sensor device typically includes a sensing region, often demarked by a surface, in which the proximity sensor device determines the presence, location... | {
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A variety of techniques are available for providing visual displays of graphical or video images to a wearer. In many applications cathode ray tube type displays (CRTs), such as televisions and computer monitors produce images for viewing. Such devices suffer from several limitations. For example, CRTs are bulky and co... | {
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Semiconductor memory devices can store data and output the stored data on command. Semiconductor memory devices may be roughly categorized into random access memory (RAM) and read only memory (ROM) devices. A RAM device is typically a volatile memory device that loses its stored data at power-off, although some types o... | {
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1. Field of the Invention
The present invention relates to an industrial controller, and addressees in particular to a fault-tolerant technique for numeric data to be processed by operation.
2. Description of the Related Art
For control in a social infrastructure, industrial controllers in use are mostly employed for a... | {
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Not applicable.
Not applicable.
Not applicable.
The present invention relates to a method and an arrangement for controlling the flow of a coolant fluid in a compressor, in particular in a rotary compressor.
The compressors of interest here, in particular rotary compressors, are specifically screw-type compressors with... | {
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This invention relates to a method of producing acrylamide polymers, more specifically, this invention relates to an improved method for polymerizing concentrated aqueous monomer solution. Obtained acrylamide polymers are water soluble, porous, hydrous gel and can be dried quickly.
Various processes for preparing polym... | {
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In this process, the tubular film material is usually pulled over the piece item stack without any tension. Afterwards, heat is applied onto the film material, wherein molecular orientations within the film material relax and the film is put in close contact with the contour of the piece item stack. However, the tubula... | {
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People use a variety of approaches to attain and maintain physical fitness. Physical fitness may include strength, flexibility, cardiovascular endurance, speed, balance, coordination, stamina, or other attributes (e.g., ability to perform specific tasks such as jumping or throwing a football). Many aspects of physical ... | {
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1. Field of the Invention
The present invention relates to an image taking apparatus employing a solid-state image-sensing device, and more particularly to a slim image taking apparatus, such as a digital still camera or digital video camera, provided with a zoom tens system.
2. Description of the Prior Art
In recent y... | {
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Semiconductor materials such as silicon and gallium-arsenide are commonly used to manufacture integrated circuits for use in electronics. These integrated circuits typically have many transistors that are used as building blocks for larger circuits such as amplifiers. A commonly used performance measure for amplifiers ... | {
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In the screening of fluidizable suspensions, such as medium consistency paper pulp, it is desirable to utilize a simple yet effective apparatus, and one which will allow the production of a number of different accept streams. Medium consistency pulp typically is pulp having a consistency of about 6-15 percent, and most... | {
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Sliders are often mounted to the bottom surface of a load to act as a buffer between the load and the surface on which the load rests. Typically, sliders take the form of convex discs mounted to the bottom surface of the load by means of adhesive, nails, or the like. The slider disperses the weight of the load over an ... | {
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The present invention relates to novel naphthopyran materials. More particularly, this invention relates to indeno-fused photochromic naphthopyran materials and to compositions and articles comprising such naphthopyran materials. This invention also relates to naphthols used in making the novel naphthopyrans. When expo... | {
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1. Field of the Invention
The invention relates generally to antimicrobial compositions containing a C.sub.3 -C.sub.6 alcohol and particularly oral compositions, such as but not limited to liquids, pastes and gels for the prevention and elimination of bad breath as well as for the reduction of oral microorganisms respo... | {
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The present invention relates to a light beam scanning device for scanning a laser beam in an application where a delicate and precise operation is to be carried out with the laser beam under an operating microscope.
To perform a delicate and precise operation on the human body with a laser knife, in general, a light b... | {
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A known form of picture rail apparatus comprises a rail member which is mounted horizontally on the wall, the rail member being formed with a longitudinally-extending slot. The slot is elongated in transverse section, and has a narrow opening at the front of the rail member. The apparatus includes a support member on w... | {
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Photographic processors come in a variety of shapes and sizes from large wholesale photographic processors to small micro-labs. As photographic processors become more and more technologically sophisticated, there is a continued need to make the photographic processor as user-friendly and as maintenance-free as possible... | {
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(1) Field of the Invention
The present invention generally relates to an electric brake device, and more particularly to an electric brake device in which a brake motor is electrically driven in a forward direction so as to exert a braking force on a vehicular wheel, and the brake motor is electrically driven in a reve... | {
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Magnetic head-based systems have been widely accepted in the computer industry as a cost-effective form of data storage. In a magnetic tape drive system, a magnetic tape containing a multiplicity of laterally positioned data tracks that extend along the length of the tape is drawn across a magnetic read/write transduce... | {
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The invention relates to a microwave oven comprising a cooking chamber in which food to be heated can be placed, a microwave generator for radiating microwave energy into said chamber to heat said food, fan means for producing an air flow to cool the generator and for directing air into said chamber, and humidity senso... | {
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As wind energy is clean, pollution-free and renewable, wind power plays an increasingly important role in the worldwide exploration of new energy. Output power of a wind turbine is constrained by many factors, so it is hard to forecast output power of each wind turbine in a wind farm. In addition, output power of wind ... | {
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The present invention relates to a recorded-information reproducing apparatus. More particularly, the invention relates to a recorded-information reproducing apparatus for reproducing a recording medium on which is recorded a video FM signal and a digital audio signal frequency-division multiplex recorded thereon.
As r... | {
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An equalizer circuit for compensating for a loss caused by a transmission characteristic of a transmission path is known. | {
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1. Field of the Invention
The present invention relates to an imaging apparatus capable of tracking a subject.
2. Description of the Related Art
There is conventionally an imaging apparatus equipped with a so-called subject tracking function which recognizes the position of a main subject in an imaging frame and automa... | {
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This invention relates to a combustion chamber for internal combustion engines of the direct injection type, and more particularly to a combustion chamber which can reduce the level of noise (hereinafter referred to as the noise generated by combustion) and can also reduce the amount of nitrogen oxide (hereinafter refe... | {
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1. Field of the Disclosure
The present disclosure relates generally to multiple screen displays, and more particularly, to an electronic device and method for displaying multiple screens.
2. Description of the Related Art
An electronic device may include a plurality of displays and display a screen on each of the displ... | {
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Dehydrocyclization as a unit process has held a prominent place in the petroleum refining industry for some time. Quite broadly the process encompasses the conversion of C.sub.2 -C.sub.12 olefins and paraffins to aromatics and naphthenes, but the process can be divided into two segments on both chemical mechanistic gro... | {
"pile_set_name": "USPTO Backgrounds"
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1. Field of the Invention
The subject matter of this application relates to probe microscopy. More particularly, the subject matter of this application relates to methods and devices for probe and force microscopes with sensors having improved sensitivity.
2. Description of the Prior Art
Conventional atomic force micro... | {
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Grouping of social connections to form social networks have become useful in many contexts. Better understanding of a user's social connections can provide better insight into the user. Such insight can facilitate the placement of the user into optimal social networks so that the user can enjoy association with similar... | {
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For controlling the functions of machines and/or vehicles, joysticks, i.e., control levers, are known which have passive force feedback in the form of a spring-acting return to the center or a fixed retention in any position by means of friction. However, control levers having passive force feedback do not provide any ... | {
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The present invention relates to tubular knit fabric articles having an end of reduced tubular size, and to a method and knitting machine attachment for producing such reduced size ends in tubular knit fabric articles.
Various knit articles are manufactured with ends of reduced size to suit particular uses. For example... | {
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In handling digital data, various security measures such as data encryption are utilized for preventing unauthorized accesses. Security measures for image data include techniques to embed a visible watermark in image data for displaying an image irrelevant to original contents over a reproduced image so as to prevent a... | {
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Error correction coding techniques can be used to reduce errors introduced during digital data transmission or storage. Prior to transmission, for example, each piece of data, such as a 16-bit word, can be encoded to incorporate additional information so that upon receipt, the data can be recovered even when errors are... | {
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The present invention generally relates to the healing of alignments of the human body. More specifically, the present invention relates to manipulation of energy pathways in the human body.
The energy pathways of the human body are referred to as meridians. The energy pathways become congested from the daily living an... | {
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1. Field
Aspects of the present disclosure relate generally to wireless communication systems, and more particularly, to an adaptable target RAT (Radio Access Technology) threshold for inter radio access technology handover.
2. Background
Wireless communication networks are widely deployed to provide various communicat... | {
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Vehicle collisions that occur at high rates of speed are deadly, resulting in approximately 43,000 lives lost every year in the United States alone. Costs associated with these vehicle fatalities run approximately $165 billion. The physics of these crashes has been well studied and has dictated many safety features dep... | {
"pile_set_name": "USPTO Backgrounds"
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Engine blowers for blowing and collecting fallen leaves as well as pruned branches and leaves have been known. In the engine blower, a fan accommodated in a volute case is rotated by an air-cooling engine. A portion of blowing air generated by a fan is employed as cooling air for cooling the engine. In other words, an ... | {
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This invention relates to a magneto casing of a sealed construction for an engine in which the internal pressure undergoes changes as if the magneto casing breathed as the engine operates.
In engines such as marine engines wherein large quantities of water tend to flow into the engine rooms, magneto casings are constru... | {
"pile_set_name": "USPTO Backgrounds"
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In silicon nitride-ceramics, phase transformation of .alpha. to .beta. in a sintering process occurs by using powder including .alpha. type silicon nitride powder as a main component so that .beta. type silicon nitride is formed and becomes columnar crystals entangled with each other. As is well known, such an entangle... | {
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Data centers are often composed of multiple racks of servers. The server racks are configured with power supply units that can safely supply up to a maximum amount of power to the servers in the rack. If one of the power supply units fail, the maximum amount of power that can be safely supplied by the power supply unit... | {
"pile_set_name": "USPTO Backgrounds"
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1. Field of Invention
The invention relates to a shoe having a spring-position limitation for use, in particular, in a torsional-vibration damper and to a torsional-vibration damper having end shoes and/or slide shoes designed on the basis of such shoe.
2. Description of Related Art
EP 1 584 839 A1 discloses a torsiona... | {
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An important form of communication between businesses and customers has traditionally been "paper-based" communication, such as letters and bills mailed via a postal service. For example, it is estimated that merchants spend about $10 billion per year for printing and mailing of bills to customers. It is also estimated... | {
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The present invention relates to networked financial interfaces and more particularly to conducting trade finance business operations including account settlements.
In international sales of goods, the buyer and seller may not know each other, or may not be familiar with the other""s legal system. Thus, one of the majo... | {
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(1) Field of the Invention
The invention relates to silicon-on-insulator (SOI) devices and, more particularly, to a method to form a SOI device having improved ESD performance.
(2) Description of the Prior Art
At present, the vast majority of integrated circuit products are formed on bulk semiconductor wafers. However,... | {
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The following relates to the imaging arts. It finds particular application in single photon emission computed tomography (SPECT) imaging using radioisotopes emitting at multiple energies, and will be described with particular reference thereto. However, it also finds application in SPECT imaging using more than one dif... | {
"pile_set_name": "USPTO Backgrounds"
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The thermal efficiency and hence the output power of an engine of a saddle-ridden vehicle such as a motorcycle can be increased by equipping the engine with a supercharger and supplying air that has been compressed by the supercharger to the combustion chambers of the engine. JP-A-2015-83437 discloses a saddle-ridden v... | {
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In an enterprise or Internet e-commerce environment, an internal business process or business-to-business (“B2B”) transaction often involves integration of services that are provided by multiple applications. Some of the service tasks involved in a workflow may require expensive resources. As is typical in a B2B enviro... | {
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A digital video recorder may be used to record television programming as recorded content and to later playback the recorded content when convenient. The digital video recorder may include functionality for recording television programming, managing recorded content, and playing recorded content to a display device. Wh... | {
"pile_set_name": "USPTO Backgrounds"
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The invention relates to a two-chamber dispenser for a gas-pressurized or non-pressurized package, said dispenser comprising a rigid or semi-rigid one-piece can body with a shoulder forming a flanged opening and inserted therein a flexible inner pouch (herein after simply pouch) of a material which forms a barrier to d... | {
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The present invention relates to game calling devices, and in particular, to an adjustable grunt tube that can produce sounds having varied pitch, intensity, tone and inflection.
Game calling devices for large mammals and predators are known. In particular, devices known as “grunt tubes” are used to simulate the grunts... | {
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The present invention relates to a screen printer, and more particularly, to a screen printer equipped with a mask cleaning device which serves to remove ink dregs adhered to one surface of a mask and holes formed in the mask. Although not limitative, the screen printer of this kind is suitable to form a film on an ele... | {
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1. Field of the Invention
The invention relates to a method for operating a drive with an internal combustion engine and an electric machine.
2. Description of the Prior art
DE 197 52 661 A1 describes an on-board power system for a motor vehicle with a combined drive including an electric machine and an internal combus... | {
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The invention relates to a holder for workpieces during treatment.
In many processes, workpieces are treated, for example, by coating, spraying, etching, ion implantation, etc., in a manner which undesirably heats the workpiece. Maintaining the workpiece relatively cool, i.e., below temperatures where damage can occur ... | {
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The present invention relates generally to the field of sound devices. In particular, embodiments of the present invention relate to sound devices that prevent sound quality from decreasing when an external sound device is connected to the sound device.
A sound device that converts analog signals to digital signals and... | {
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1. Field of the Invention
The present invention relates generally to a system and tools for data visualization and, more specifically, to a system and tools for generating a data visualization interface.
2. Description of the Related Art
This section is intended to introduce the reader to various aspects of art that ma... | {
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Shock absorbers are used in conjunction with automotive suspension systems and other suspension systems to absorb unwanted vibrations which occur during movement of the suspension system. In order to absorb these unwanted vibrations, automotive shock absorbers are generally connected between the sprung (body) and the u... | {
"pile_set_name": "USPTO Backgrounds"
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In general, characters written with a piece of chalk onto a blackboard are wiped away by a blackboard eraser and then the blackboard eraser having the chalk powder thereon is brushed off usually outside of a room window. At this time, chalk powder brushed off from the eraser is dispersed into the air and air in the roo... | {
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Recent technological advances have allowed for a proliferation of digital media, which may include images of crimes being committed. For example, child pornography, statutory rape, masked gunmen, and other crimes may be captured on digital media such as digital images and video. This media can be used as evidence in le... | {
"pile_set_name": "USPTO Backgrounds"
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1. Field of the Invention
The present invention relates to a semiconductor integrated circuit used in a microprocessor and in particular, to an information processing device, which mounts a hardware accelerator for translating codes in a given intermediate language into instructions specific to each of microprocessor t... | {
"pile_set_name": "USPTO Backgrounds"
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Synchronization of a decoding and presentation process for received bitstreams is a particularly important aspect of real-time digital data delivery systems. For example, the Moving Pictures Experts Group (MPEG) has promulgated several standards relating to digital data delivery systems. The first, known as MPEG-1 refe... | {
"pile_set_name": "USPTO Backgrounds"
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1. Field of the Invention
The present invention generally relates to a method of forming an interlayer insulating film, and more particularly to an improved method thereof wherein the film can be formed uniformly on a substrate of large size.
2. Description of the Background Art
In a method of manufacturing a semicondu... | {
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It is generally known to provide a handle for scanning device such as a portable scanner for logistics environments. However, such known handles are typically either molded as an integral portion of the housing of the scanning device, or are connected to the housing fasteners and corresponding tools. In either case of ... | {
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A known example of a wave gear unit is a wave gear unit having an input shaft and a pair of input bearings supporting the input shaft, the axial position of the input shaft being defined by the input bearings. Wave gear units with input bearings having this structure are proposed in Patent Documents 1 to 3.
A wave gear... | {
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This invention relates to a semiconductor integrated circuit device and to a process for manufacturing the same; and, in particular, the invention relates to a process which can effectively be applied to a semiconductor integrated circuit device comprising a step for flattening a surface using CMP (Chemical Mechanical ... | {
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This invention relates to collapsible luggage trolleys of the type which include an item of luggage, such as a suitcase, which incorporates a conventional handle for carrying the luggage, and a set of wheels by which the luggage may alternatively be towed with the aid of a collapsible handle or similar arrangement.
Lug... | {
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1. Field of the Invention
The present invention relates to an active sensor, a multi-point active sensor, a method of diagnosing deterioration of a pipe, and an apparatus for diagnosing deterioration of a pipe, capable of judging existence of a malfunction such as a pipe wall-thickness reduction caused by a high-temper... | {
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Various needle-less injection devices with different configurations for injecting a—typically drug-containing—fluid through or into the human skin are known in the art. The conventional devices have in common that the fluid is ejected through a very small outlet of an ampoule through application of high pressure, where... | {
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1. Field of the Invention
The present invention relates to the field of network security and more particularly to security enforcement point processing of encrypted data in a communications path.
2. Description of the Related Art
Internet security has increasingly become the focus of information technologists who parti... | {
"pile_set_name": "USPTO Backgrounds"
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The present invention relates to electronic bartering systems that allow users to trade or redeem reward points, such as those already accumulated in airline frequent flyer programs, into an account for redeeming products and services offered over the Internet. This would allow users to use their frequent flyer (or fre... | {
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Some applications require the use of electrical equipment in hazardous locations where exposure to chemical, flammable and/or combustible conditions is likely. Electrical equipment used in such hazardous locations requires construction to, and compliance with, exacting standards to lessen the chance of electrical equip... | {
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A number of renewable energy sources exist that are adapted to use forces of nature to generate power. Examples of such sources include, but are not limited to offshore wind, ocean currents, and ocean waves. These sources, however, are intermittent and/or time-variable in nature. Since their productive time intervals a... | {
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The present disclosure relates to a light-emitting element and a display device.
In recent years, there has been increased interest in organic electroluminescence display devices (hereinafter, also referred to simply as “organic EL display device”) employing organic electroluminescence elements (also referred to simply... | {
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1. Field of the Invention
The present inventions relate generally to methods and systems for tracking the presence, position and status of individual items, containers and the contents thereof, including locks and seals for such items and containers.
2. Description of the Prior Art and Related Information
When items ar... | {
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Companies and consumers increasingly depend on computers to process, distribute, and play back high quality video content. Engineers use compression (also called source coding or source encoding) to reduce the bit rate of digital video. Compression decreases the cost of storing and transmitting video information by con... | {
"pile_set_name": "USPTO Backgrounds"
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1. Field of the Invention
The present invention relates to a slider for a concealed type slide fastener for use in a separable bottom end stop constituted of a box, a box pin and an insert pin, which is attached to an end of a fastener chain in the concealed type slide fastener, the separable bottom end stop separating... | {
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Complex systems are all around us, including such examples as highway and air traffic systems; telephone networks; financial and banking systems; systems for the manufacture, distribution and sale of retail goods; legal systems; computer systems of various types; information transmission networks; and many more. In lar... | {
"pile_set_name": "USPTO Backgrounds"
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The present invention relates generally to circuit wiring boards and, more particularly, to ceramic composite circuit wiring boards and/or multichip modules and methods to construct the same.
Semiconductor integrated circuits (“SIC”) or semiconductor chips are being developed to operate at increasingly higher speeds an... | {
"pile_set_name": "USPTO Backgrounds"
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Knee prostheses have been produced in numerous different types, the vast majority of which have distinct generally vertical and generally horizontal hinge axes. Such an arrangement of hinges does not provide for a realistic hinging movement between the femur and tibia and therefore does not sufficiently accurately repl... | {
"pile_set_name": "USPTO Backgrounds"
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1. Field of the Invention
The present invention relates to a surface machining method and apparatus. More particularly, the present invention relates to a surface machining method and apparatus for brittle materials such as semiconductor materials, ceramics, glass, or the like.
2. Description of the Related Art
Loose a... | {
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Semiconductors are widely used in integrated circuits for electronic devices such as computers and televisions. These integrated circuits typically combine many transistors on a single crystal silicon chip to perform complex functions and store data. Semiconductor and electronics manufacturers, as well as end users, de... | {
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Wireless phone systems are commonly used in PBX serviced areas as well as in the public cellular phone system. Wireless voice systems are designed to allow only registered mobile phones to originate-and receive calls. This presents a problem when the user must make an emergency call while traveling in an area which is ... | {
"pile_set_name": "USPTO Backgrounds"
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1. Field of the Invention
This invention relates to a fluorine-containing pyrimidine derivative suitable as a component of liquid crystal compositions used in liquid crystal display devices, and a liquid crystal composition containing the derivative.
2. Description of the Prior Art
As well known, liquid crystal materia... | {
"pile_set_name": "USPTO Backgrounds"
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1. Field of the Invention
This invention relates to fibrous activated carbon with a metal chelate compound supported thereon, a process for preparing the same, and a method of using the same. More particularly, it relates to fibrous activated carbon which is suitable for removal of toxic substances contained in gases, ... | {
"pile_set_name": "USPTO Backgrounds"
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1. Field of This Invention
This invention relates to the field of drilling gas, oil, water and/or steam wells.
2. Prior Art
In the early days of drilling oil and gas wells, the wells were often drilled by cable tool. That technique involved a sharp weight on the end of a cable that pounded its way into the earth. Hydro... | {
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In a conventional wireless communication system including a pair of transceivers communicating with one another over a wireless communication channel, there are typically a number of different data transmission rates available at which to transmit data. Generally, the higher the data rate, the more susceptible the syst... | {
"pile_set_name": "USPTO Backgrounds"
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Non-volatile memories, such as flash EPROM (erasable programmable read-only memory) devices have developed into a popular source of memory in a wide range of digital applications. Flash memory devices typically allow for high memory densities, high reliability, and low power consumption. These characteristics have made... | {
"pile_set_name": "USPTO Backgrounds"
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A controlled release profile from a drug dosage form is sometimes desirable in clinical use to reduce side effects and improve patient compliance. The technology used to formulate sustained release dosage forms is well documented. The entrapment of a drug in a polymer based matrix is a common approach to formulate sust... | {
"pile_set_name": "USPTO Backgrounds"
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Window coverings come in many different configurations. Many window coverings are adjustable in various different ways, such as including adjustable height for a lower portion of the shade, such as a bottom rail. Such adjustable shades can be lifted or lowered to cause the shade to alternatively block a greater or less... | {
"pile_set_name": "USPTO Backgrounds"
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The sessile nature of plant life generates a constant exposure to environmental factors that exert positive and negative effects on its growth and development. One of the major impediments facing modem agriculture is adverse environmental conditions. One important factor which causes significant crop loss is heat stres... | {
"pile_set_name": "USPTO Backgrounds"
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(a) Field of the Invention
This invention relates to compounds that are useful in the treatment and prevention of ulcers. More particularly, this invention relates to 2-(1H-benzimidazol-2-ylsulfinyl)methyl!benzenamines that inhibit gastric acid secretion and which are, therefore, useful in the treatment of peptic ulcer... | {
"pile_set_name": "USPTO Backgrounds"
} |
This invention relates to refrigerating devices in general and, in particular, to a new and useful cooling device particularly for heat protective suits which includes a solid refrigerant disposed in heat exchange relationship with a heat exchange surface with a flexible intermediate layer between the solid refrigerant... | {
"pile_set_name": "USPTO Backgrounds"
} |
Computers are pervasive in today's society. Large computer systems are often referred to as “mainframe” computers and have the capability of executing numerous tasks, often referred to as jobs, at the same time. Often customers of such a computer system desire certain jobs to be executed at certain times while other jo... | {
"pile_set_name": "USPTO Backgrounds"
} |
The invention relates to a method for operating a transmission device for a vehicle, wherein the transmission device is provided with an automatic clutch and with a manual shift transmission. The invention further relates also to a transmission device.
The transmission device preferably serves as a torque transmission ... | {
"pile_set_name": "USPTO Backgrounds"
} |
This invention relates to drawer organizer systems in general, and in particular to an improved drawer organizer management system using R.F. drawer identification.
Drawer organizer systems are known and are used generally to store small items in drawers which are slidably mounted in a cabinet designed for this purpose... | {
"pile_set_name": "USPTO Backgrounds"
} |
1. Field of the Invention
This application relates to handheld electronic devices and, more particularly, to a keyboard for a handheld electronic device having a first set of keys structured to engage two contacts and a second set of keys structured to engage a single contact and wherein each key in said first set of k... | {
"pile_set_name": "USPTO Backgrounds"
} |
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