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Oil field operations often require the injection of a mixture of gaseous and liquid components to enhance the production of hydrocarbons from a hydrocarbon-bearing formation. Wet steam, i.e., steam that has a water phase and a vapor phase, is often injected in hydrocarbon fields having heavy hydrocarbons to assist the ... | {
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Flash memory is an electronic non-volatile computer storage medium that can be electrically erased and reprogrammed. Flash cells are used in a wide variety of commercial and military electronic devices and equipment. In flash memory cells, over erase associated with stacked gate structures is eliminated by the use of a... | {
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Fluorescent lights are the most common light source used in commercial buildings. As is well known, to provide the same amount of light output, a fluorescent bulb requires more electrical power when cold than after it has heated up. Once heated up, the extra power provided during start-up is dissipated as heat and does... | {
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Generally, users employ keywords in conducting searches in different domains, including online media. Keywords tend to be predetermined by search engines or other online media being accessed by a user. Lists of keywords, as such, are typically static and then may be partly refreshed based on retrieved search results. H... | {
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The present invention relates to a method for controlling computer network security.
Firewalls and intrusion detection systems are devices that are used to protect a computer network from unauthorized or disruptive users. A firewall can be used to secure a local area network from users outside the local area network. A... | {
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The use of free-standing potty chairs by young children is well known. Potty chairs provide a portable, and conveniently-sized toilet means for young children, and serve as preparatory appartuses in teaching young children to use conventional toilets.
Another device used in the teaching process is a toilet trainer whic... | {
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1. Field of the Invention
The present invention relates to an ion measuring system, and in particular relates to a multi-electrode measuring system which is able apply for biomedicine, chemistry related fields, etc.
2. Description of the Related Art
The ion sensitive field effect transistor (ISFET) was first invented b... | {
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The increasing sophistication of electronic circuits and systems presents unique challenges for circuit designers. The operating frequency of modern electrical and electronic equipment continues to increase, in order to reduce the physical size and weight of the electronic circuits and systems. However, the trend is hi... | {
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1. Related Applications
This application is a Continuation-In-Part of application Ser. No. 534,805, filed 9-22-83, entitled "Vehicle Compactor" now U.S. Pat. No. 4,510,858, which is a Divisional of application Ser. No. 347,489, filed 2-10-82, entitled "Vehicle Compactor" which has now been issued as U.S. Pat. No. 4,426... | {
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1. Field of the Invention
This invention relates generally to wheeled carriers, and more particularly to two wheeled dumping carts.
2. Description of the Prior Art
Two wheeled dumping carts are known in the prior art. For example, in U.S. Pat. No. 3,178,228 of C. Gibson et al a dumping hand cart is disclosed including ... | {
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The present invention relates generally to high density multilayer interconnect (HDMI) structures, and more particularly, to an attachment method for assembling flexible HDMI decals comprising flexible fine line interconnect structures.
U.S. Pat. No. 5,699,245, entitled "Methods of Forming Two-Sided HDMI Interconnect S... | {
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1. Field of the Invention
This invention relates to a pressure vessel for a toilet, particularly to one that able to guide pressured water into a drain valve so as to open it for flushing the toilet.
2. Description of the Prior Art
Commonly, a conventional vessel used for a toilet to carry out flushing is based on grav... | {
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Implantable medical devices (IMDs) are often utilized in modern healthcare to facilitate the ability for patients to lead healthy and full lives. For example, IMDs such as pacemakers, implantable cardioverter-defibrillators (ICDs), neurostimulators, and drug pumps can facilitate management of a wide range of ailments, ... | {
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Wireless communication networks are widely deployed to provide various communication services such as, for example, voice, video, packet data, messaging, or broadcast. These wireless networks may be multiple-access networks capable of supporting multiple users by sharing the available network resources. Examples of suc... | {
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There is a significant and growing need for the ex vivo creation of mammalian tissues for the augmentation or replacement of damaged tissues and organs. For example, cartilage cells produced in vitro may be useful for repairing cartilage that has been damaged in a knee injury or deteriorated by osteoarthritis.
The succ... | {
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Technical Field
The invention relates to a system and architecture that enables customer service applications to access and share data with enterprise information systems in real time.
Description of the Background Art
To automate customer service functions, business applications need to exchange data with a variety of... | {
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1. Field of the Invention
The present invention relates to connectors for high-speed signal transmission. More specifically, the present invention relates to connectors in which wires are directly connected to contacts of the connectors.
2. Description of the Related Art
High-speed cable routing has been used to transm... | {
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This invention relates to remediation of environmental contamination. More particularly, the invention relates to methods for accelerating or enhancing in situ dehalogenation of nonaqueous halogenated solvents in ground water. These methods involve adding to the contaminated ground water a composition of matter that bo... | {
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This disclosure relates to a system for evaluating agricultural material, such as an imaging system for evaluating samples of agricultural material.
Certain prior art imaging systems use cameras that are connected to a bypass channel on a clean grain elevator of a combine. The bypass channel can become clogged with agr... | {
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1. Field of the Invention
The present invention relates to an apparatus for automatically winding up a photographic paper that has been subjected to printing or other photographic processes onto a spool.
2. Description of the Related Art
A photographic printer which employs a continuous photographic paper needs to wind... | {
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The invention relates to a process for the preparation of methionine of high bulk density, in which a mixture which comprises a compound which has a foaming action and a compound which influences crystallization is added to the hydrolysis solution, and to the mixture itself.
It is known that the preparation of amino ac... | {
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Reference is made to my own prior U.S. Pat. No. 3,287,866 upon an improved foundation and wall drainage system including a drainage tile positioned adjacent the inner wall of the footer of the outer block wall-footer construction in a conventional basement wall. The basement wall has drain openings provided in the inne... | {
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1. Field of the Invention
The present disclosure generally relates to water amusement attractions and rides. More particularly, the disclosure generally relates to jet and side control gates for controlling water flow in water amusement rides.
2. Description of the Relevant Art
The 80's decade witnessed phenomenal grow... | {
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1. Field of the Invention
The present invention relates to a wheel simultaneous brake mechanism and a caster rotation preventing mechanism and more particularly, it relates to a wheel simultaneous brake mechanism and a caster rotation preventing mechanism which always work on the safe side and have a simple constitutio... | {
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The present invention relates generally to lithography and more particularly relates to a system and method for measuring films associated with lithography processes or other type semiconductor fabrication processes.
In the semiconductor industry there is a continuing trend toward higher device densities. To achieve th... | {
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1. Field of the Invention
The present invention relates to monomers for use in the synthesis of polyurethanes, and more particularly to carboxyl-containing monomers made from a low molecular weight polyol compound and an acid anhydride, and in the presence of 5-500 ppm phosphoric acid.
2. Description of the Related Art... | {
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It is often necessary for trained personnel to provide a variety of gases of medical quality in a medical facility. Examples of such gases include medical air, oxygen, nitrogen, nitrous oxide, and carbon dioxide. Systems are also often installed in medical facilities which provide vacuum or gas evacuation. Gas service ... | {
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The storage and transport of hazardous fluid substances poses challenges because of potential or actual damage to persons, equipment or the environment. Fluid substances pose a greater risk than solid ones, because a fluid, whether liquid or gas, is likely to disseminate more rapidly than a solid. Furthermore, if the f... | {
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1. Field of the Invention
The invention relates to a data transmitting method of a network line in a TCP/IP protocol environment.
2. Related Background Art
In recent years, networking of various apparatuses has been progressed owing to the spread of the Internet. Not only a personal computer and a printer in each home ... | {
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1. Field of the Invention
The present disclosure relates to an information processing system, a client device and a method of control.
2. Description of the Related Art
A system has been proposed that enables use of various services on the Internet from a terminal of an intranet provided in a corporate environment. Thi... | {
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Field
The present application relates to an electronic device, a control method, and a non-transitory storage medium.
Description of the Related Art
There is a known type of life-saving lamp that is lit automatically when it falls into water and that contributes to discovery of a person who has fallen into water (for e... | {
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1. Field of the Invention
The present invention relates to a semiconductor device, and more particularly, to a semiconductor device and fabrication method thereof which increases a junction breakdown voltage and improves a snap-back characteristic thereof.
2. Description of the Background Art
An integrated circuit unif... | {
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1. Field of the Invention
This invention relates to a surface-acoustic-wave parametric device for use as a variable-frequency selecting device. More particularly, this invention relates to a surface-acoustic-wave parametric device wherein a plurality of pumping electrodes are arranged in the direction of propagation of... | {
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In carrying several fishing rod and reel assemblies at the same time, it frequently occurs that the fishing lines of the various rods may become entangled. Further, there is frequently no convenient place to store small items of equipment associated with the fishing rods such as fishing tackle.
The prior art is already... | {
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The invention relates to an apparatus and method for dewatering the suspension of comminuted fiber material and a liquid. There are many existing prior art structures for a suspension of comminuted fiber material and a liquid, such as shown in U.S. Pat. Nos. 3,579,420 and 3,348,390. While such prior art devices are gen... | {
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1. Field of the Invention
The present invention relates to an image determination method that determines whether or not characters or graphics included in an image are prepared by handwriting, an image processing apparatus that applies processing to the image in accordance with a determination, and an image outputting ... | {
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Because audio equipment installed in vehicles are essentially expensive, light weight and small in size, audio equipment has historically been the subject of much theft. With the thriving aftermarket network, the stolen equipment may be installed in almost any other vehicle.
Automobile manufacturers have employed numer... | {
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The invention relates to a circuit arrangement for actuating an air-conditioning system or automatic air conditioner in a vehicle. Here, the air-conditioning system or automatic air conditioner can be switched on or off when the engine is operating. Moreover, the air-conditioning system or automatic air conditioner is ... | {
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1. Field of the Invention
The invention relates to a semiconductor light-emitting device and a method of manufacturing said semiconductor light-emitting device. The semiconductor light-emitting device can be utilized as, e.g., a light-emitting diode and a laser diode.
2. Description of the Related Art
Light-emitting de... | {
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1. Field
Aspects of the exemplary embodiments relate to a display apparatus and a controlling method thereof, and more particularly, to a display apparatus where a battery is inserted and a controlling method thereof.
2. Description of the Related Art
Generally, even when a user does not use a display apparatus such as... | {
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1. Technical Field
The embodiments of the present disclosure relate to data processing technology, and particularly to an image processing apparatus and method.
2. Description of Related Art
Digital cameras are very popular and widely used in daily life. However, images captured by a digital camera may have an off-colo... | {
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This invention relates to patient monitoring systems, particularly to such systems that use automatic sensing devices to provide a signal indicating the movements or absence of a patient, or body conditions of the patient.
It is to interest to hospitals and other institutions that the movements of persons confined to a... | {
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The present invention relates to liquid droplet ejection systems and, more particularly, ink jet system and, even more particularly, to drop-on-demand ink jet systems.
Ink jet systems generally fall into two categoriesxe2x80x94continuous systems and drop-on-demand systems. Continuous inkjet systems operate by continuou... | {
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Mostly, electronic devices such as mobile phones and smart phones support multi-tasking capable of concurrently running two or more applications at one time. For example, while otherwise performing other operations, the electronic device can convert into a calendar application in order to view appointments or convert i... | {
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1. Field of the Invention
The present invention relates to a game program production method, a game system, and a recording medium used in role playing games.
2. Description of the Related Art
Recently, proposals have been made about many and various game systems and also made about a wide variety of video or televisio... | {
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The ongoing development of data networks often involves incorporating additional, demand-responsive functionality and/or capacity into networking equipment in order to enable greater connectivity and flexibility. These ends are pursued in part by increasing the number of functional modules included in a network node an... | {
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1. Field
Embodiments relate to methods of forming semiconductor devices and, more particularly, to methods of forming variable resistive memory devices.
2. Description of the Related Art
Semiconductor devices can be, e.g., semiconductor memory devices and semiconductor logic devices. The semiconductor memory devices ma... | {
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This invention relates, in general, to semiconductor devices, and more particularly to a semiconductor package having leads that break-away from supports.
It is common in the semiconductor art to employ surface mount packages for placement on printed circuit boards and the like. Typically, the leads of a surface mount ... | {
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FIELD OF THE INVENTION
The instant invention relates to an information reproducing system and, more specifically, to a process for the preparation of an image-forming element and related printing device. | {
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Technical Field
The present disclosure pertains to internal combustion engines having a reciprocating piston slidably mounted within a cylinder and, more particularly, to a compression ring adapted to provide a seal between a top surface of the piston and a wall of the cylinder.
Description of the Related Art
Today's m... | {
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The present invention relates to an insulation system and method for insulating marine vessels. In particular, but not exclusively, the invention relates to vessels that are adapted to transport cryogenic liquids. Examples of such liquids include liquefied natural gas (LNG), liquefied propane gas (LPG) or liquefied eth... | {
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1. Field of the Invention
This invention relates to the field of coated carbon fibers and to the field of carbon fiber composite materials.
2. Description of the Prior Art
It is now known that fibers produced from certain materials may have exceptional mechanical properties, properties which are many times greater than... | {
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1. Field of the Invention
The present invention relates to a model and accompanying algorithm to simulate and analyze ink ejection from a piezoelectric print head. More particularly, the model of this invention includes a quadrilateral grid for finite-difference-based ink-jet simulation where the algorithm is designed ... | {
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1. Field Of The Invention
The present invention relates generally to systems for gravel packing wells, and more particularly, but not by way of limitation, to a one trip gravel packing system which can perform a squeeze pack on a well, and can subsequently produce well fluids without tripping the gravel packing system ... | {
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1. Field of Invention
This invention relates to a motor control system, and more particularly, to a DC motor speed control system having a simple current limiting circuit for limiting excess current to a DC motor from a DC power source.
2. Description of the Prior Art
In a conventional speed control system for a DC mot... | {
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The present invention relates to an endless flexible conveyor belt.
More particularly, the invention relates to an endless flexible conveyor belt of the type which is of box-shaped or trough-shaped cross-section, i.e., which has a bottom wall and side walls which extend upwardly from the same.
Still more particularly, ... | {
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In a typical laser-based printing/copying process, a photoconductive member is charged to a substantially uniform potential so as to sensitize the surface thereof. The charged portion of the photoconductive member is exposed to a light image of the original document being reproduced. Exposure of the charged photoconduc... | {
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1. Field of the Invention
The present invention relates to a microprocessor with a cache memory in which debugging operations are supported, and, in particular, to a microprocessor with a cache memory in which functions for implementing debugging operations are improved.
2. Description of the Background Art
Debugging o... | {
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One of the parameters characterizing the performance of every Direction Finding (DF) system is the ambiguity threshold. The ambiguity threshold is the Signal-to-Noise Ratio (SNR) below which, for a given number of samples, the probability of an ambiguous Direction-of-Arrival (DOA) result rises and thereby sets a limit ... | {
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Field of the Invention
The present invention relates to an adapter for a centrifuge tube and to a removal tool for removing the adapter from the centrifuge tube.
Description of the Prior Art
A centrifuge rotor is a device used with a centrifuge instrument in order to subject a sample of a liquid to a centrifugal force ... | {
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Liquid and gas mixtures have to be phase separated in order to remove liquid droplets from industrial gas streams to satisfy environmental standards (e.g., radioactive water from steam at nuclear power plants) or to purify gas streams, increase liquid recovery, and to protect rotating equipment located downstream (e.g.... | {
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In a typical air handling device suitable for use in heating, ventilating and air conditioning equipment, a number of dampers are typically found to facilitate the control of the airflow through the air handler unit under varying temperature and humidity conditions. In the past, it was not atypical to find that the dam... | {
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Lasers are used in many different industries for many different purposes, such as, for example, in the medical industry for medical procedures, in the printing industry in laser printers, in the defense industry in a variety of defense applications, and in the optical communications industry for transmitting and receiv... | {
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The invention relates to an apparatus for generating acoustic shock waves with a single shock wave tube and for focusing them onto a focus region. The invention particularly relates to the fragmentation of concrements (e.g. kidney stones) in a living being.
Shock wave tubes for generating acoustic shock waves are known... | {
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The present invention relates to a portable masonry saw for cutting ceramic tile, brick and paver blocks. More specifically, the present invention relates to a gasoline powered masonry saw removably mounted on a low profile hand cart in order to facilitate easy transport of the saw to and from the work site as well as ... | {
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The present invention is related to filters suitable for filtering electronic signals, and particularly, AC noise from a DC signal. More specifically, the present invention is related to multi-layered ceramic filters.
Filtering of electronic signals is a widely practiced art typically practiced with filters such as dis... | {
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A conventional laser beam level instrument is quite complex for its structure or mechanism and also occupies a larger volume.
The automatic optical levelling, plumbing and verticality-determining apparatus of U.S. Pat. No. 6,035,540 also granted to the same inventor of this application includes a frame (3) for securing... | {
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This invention relates generally to golf training equipment and more particularly concerns a guide for assisting a golfer to properly align the golfer's body and putter in preparation for and execution of a correct putting stroke.
Golfers have, for centuries, sought ways to lower their score. On a par 72, 18 hole cours... | {
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Test tools are used to verify the correct functioning of software and modifications to existing software. Verifying the correctness of software may involve numerous tasks, including the testing of concurrency. Concurrency testing is a core requirement in the software industry and is accomplished through the execution o... | {
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A suction cup or clip is usually used as a fastening mechanism of automobile data recorders and other electronic devices in a vehicle. Meanwhile, the automobile data recorder is fastened to the vehicle by combining the fastening mechanism with a rotating assembly. | {
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1. Field of the Invention
The invention relates to an electronics enclosure for an electronics assembly belonging to an electrotechnical apparatus, comprising an open end situated at the top in a filling position, through which a fluid potting compound is filled and which is closed off by a plug after filling of the po... | {
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1. Field of the Invention
The present invention relates to polyimide-based polymers containing dianhydride moieties having a particular structure in the repeating units thereof, and/or copolymers of the polyimide-based polymers. The present invention also relates to a positive type photoresist composition comprising at... | {
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1. Field of the Invention
This invention relates to a vehicle room lamp which is provided within a vehicle room (or compartment), and is switched between the ON-state (for illuminating the room) and the OFF-state by pressing a light-transmitting member such as a lens.
2. Related Art
An automobile is equipped with a veh... | {
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The present invention relates to a collapsible lens barrel and an image pickup apparatus.
Some lens barrels incorporated in image pickup apparatuses such as digital still cameras, digital video cameras, etc. have a cam ring with a cam groove defined in an inner circumferential surface thereof and a lens holder frame wh... | {
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1. Field of the Invention
The present invention relates to a xe2x80x9csolutionxe2x80x9d method for preparing indium tin oxide (ITO) fine powders, and more particularly, to a method for preparing ITO nanometer grade powders using different starting material sources.
2. Description of the Prior Art
The mixture of indium ... | {
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Processors, including microprocessors, digital signal processors and microcontrollers, operate by running software programs that are embodied in one or more series of instructions stored in a memory. The processors run the software by fetching the instructions from the series of instructions, decoding the instructions ... | {
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The system according to the invention uses a rotary tablet press as has been known for a long time. It contains a rotor driven in a rotary manner by a drive motor, in which the top and bottom stamps are maintained and a die plate is held, with which the stamps work. The stamps are guided or actuated by means of pressin... | {
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The present invention relates to a new and distinct cultivar of Fuchsia plant, botanically known as Fuchsiaxc3x97hybrida, and hereinafter referred to by the name xe2x80x98Kiewilidivxe2x80x99.
The new Fuchsia is a product of a planned breeding program conducted by the Inventor in Venhuizen, The Netherlands. The objectiv... | {
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The present invention relates generally to the “active implantable medical devices” as defined by the Jun. 20, 1990 Directive 90/385/EEC of the Council of European Communities, which includes implantable devices that continuously monitor the cardiac rhythm of a patient and deliver if and as necessary to the patient's h... | {
"pile_set_name": "USPTO Backgrounds"
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1. Field of Invention
This invention relates to a electrocardiogram (ECG) diagnostic device, and more specifically, to a disposable ECG diagnostic chest pad having pre-positioned lead electrodes and internal wiring which may be placed quickly as a single unit upon a patient and may be separated into two sections by way... | {
"pile_set_name": "USPTO Backgrounds"
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1. Field of the Invention
The present invention relates to a method of pre-programming a flash memory cell. In particular, the present invention relates to a method of pre-programming a flash memory cell which can execute a continuous program operation and can reduce a pre-programming time by performing a program verif... | {
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Dot-matrix printheads have an array of printing elements that are selectively turned on and off by a printer controller to form printed shapes that are recognizable as characters. If one of the printing elements is inoperative, then the characters produced by the printhead will have a gap where the inoperative printing... | {
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1. Field of the Invention
The present invention relates to a display apparatus, a display panel driver and a display panel driving method, and more particularly relates to a driving technique of a display panel to execute a color reducing process and an enlarging process to image data at a same time.
2. Description of ... | {
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The invention relates to text messaging in a telecommunication system and, more particularly, to a method and apparatus for providing text messaging between mobile handsets and TD devices in a telecommunication system.
Telecommunication devices for the deaf (TDD) have been developed that allow deaf persons to communica... | {
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Golf balls having multi-layer cores are known. For example, U.S. Pat. No. 6,852,044 discloses golf balls having multi-layered cores having a relatively soft, low compression inner core surrounded by a relatively rigid outer core. U.S. Pat. No. 5,772,531 discloses a solid golf ball comprising a solid core having a three... | {
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1. Field of the Invention
The present invention relates to a method and apparatus for the temperature balancing control of a plurality of heat exchangers.
2. Description of the Prior Art
As various plants become larger in size, various heat exchangers for use in them ought to be enlarged correspondingly. It is the actu... | {
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A popular method employed in the manufacture of Leclanche or zinc-carbon dry cell batteries utilizes a so-called "paper liner" inside the zinc can to physically and electrically separate the zinc can (negative terminal) from the "depolarizer mix" surrounding the carbon rod (positive terminal). During manufacture, the i... | {
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Target designators, usually employing lasers, have in the past made use of a so-called “doublet pulse”, a pulse burst containing two pulses, in which the inter-pulse spacing is varied to provide a code which can be recognized by incoming missiles, guided shells or other ordinance devices. Doublet pulse laser target des... | {
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This invention relates to devices useful in supporting and displaying decorative lighting, and more particularly, to a device adapted to support a decorative light, such as a Christmas light. One aspect of the invention relates to a plastic or metal bracket that will support a decorative light and can be installed with... | {
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The present invention concerns periodic temporal signals the configuration of which over a time period is defined by an arrangement of seed patterns of different types resulting from a recursive construction using successively applied recurrent pattern element composition laws generating on each new iteration progressi... | {
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1. Field of the Invention
The present invention relates to the field of data processing systems. Specifically, the present invention relates to a method and system for automatically selecting and installing an application onto a portable (e.g., palmtop) computer system.
2. Related Art
As the components required to buil... | {
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The present invention relates to an apparatus and method for wrapping of items. | {
"pile_set_name": "USPTO Backgrounds"
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1. Field of the Invention
This invention relates to an aquarium especially designed to promote a healthy environment for aquatic life
2. Description of Related Art including Information Disclosed under .sctn..sctn.1.97 to 1.99
A limited search has been made through the Patent and Trademark Office classificaiton system ... | {
"pile_set_name": "USPTO Backgrounds"
} |
The linear FG and BG compositing system of the blue screen type has been described in my prior U.S. Pat. Nos. 3,595,987; 4,007,487; 4,100,569; 4,344,085; 4,409,611; and in a recent application (June 13, 1983) Ser. No. 520,067, which describes the origination and series of improvements in the compositing of video images... | {
"pile_set_name": "USPTO Backgrounds"
} |
The emergence of portable electronic computing platforms allows functions and services to be enjoyed wherever necessary. Palmtop computers, Personal Digital Assistants, mobile telephones, portable game consoles, biometric/health monitors, and digital cameras are some everyday examples of portable electronic computing p... | {
"pile_set_name": "USPTO Backgrounds"
} |
The present invention relates to a unique solenoid operated valve structure and a method of making the same and more particularly to a solenoid valve structure which is hermetically sealed and which includes a valve housing that can be manufactured and assembled in a straight forward, economical manner from a comparati... | {
"pile_set_name": "USPTO Backgrounds"
} |
The present invention is generally directed to methods and compositions that enhance growth hormone production and release, and which have been found to suppresses appetite, in human subjects.
Growth hormone plays an important role in the physiology of warm-blooded animals, including humans. To date, there have been se... | {
"pile_set_name": "USPTO Backgrounds"
} |
1. Field of the Invention
The present invention relates to a timer module and to a method for testing output signals of a timer module.
2. Description of the Related Art
It is customary in safety-critical applications, for example, for control units in the automotive sector, for various output signals and values to be ... | {
"pile_set_name": "USPTO Backgrounds"
} |
1. Field of the Invention
The present invention relates generally to high-performance light emitting diodes, and more particularly to a method of using metal diffusion bonding technology as well as surface treatment process to improve light extraction efficiency.
2. Description of the Related Art
The MOCVD epitaxy tech... | {
"pile_set_name": "USPTO Backgrounds"
} |
EP0 240 732-A ("EP 732-A") discloses a process for welding butt-ended solid wall tubes of plastic. The entire end surfaces of the tubes to be welded are heated by a welding element applied between the tubes, thereby producing a undesirable welding rim on the inner circumference of the tubes. In order to keep the tubes ... | {
"pile_set_name": "USPTO Backgrounds"
} |
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