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Datasets:
jason1966
/
adamvakar_ericsson-innovation-timeline-patent-evolution

Modalities:
Tabular
Tags:
kaggle
global
artificial intelligence
mobile and wireless
beginner
tabular
License:
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patent_id
string
patent_type
string
patent_date
string
patent_title
string
year
int64
quarter
int64
month
int64
day_of_week
int64
day_of_year
int64
quarter_end
string
title_len_chars
int64
title_len_words
int64
title_has_number
int64
title_has_acronym
int64
kw_5g
int64
kw_ai_ml
int64
kw_cloud_edge
int64
kw_security
int64
kw_iot
int64
kw_network
int64
kw_energy
int64
kw_antenna
int64
kw_data
int64
keyword_score
int64
is_utility
int64
is_design
int64
is_other_type
int64
tech_era
string
patent_count
int64
patent_unique
int64
utility_share
float64
design_share
float64
avg_title_words
float64
avg_keyword_score
float64
kw_5g_count
int64
kw_ai_ml_count
int64
kw_cloud_edge_count
int64
kw_security_count
int64
kw_iot_count
int64
kw_network_count
int64
kw_energy_count
int64
kw_antenna_count
int64
kw_data_count
int64
patent_count_lag1
float64
patent_count_lag2
float64
patent_count_lag4
float64
patent_count_roll4_mean
float64
patent_count_roll8_mean
float64
patent_count_qoq
float64
patent_count_yoy
float64
target_patent_count_current
int64
target_patent_count_next_quarter
float64
years_since_first_patent
int64
patent_seq_global
int64
year_patent_count
int64
3934093
utility
1976-01-20
Transit exchange for asynchronous data with unknown structure
1,976
1
1
1
20
1976-03-31
61
8
0
0
0
0
0
0
0
1
0
0
1
2
1
0
0
legacy_pre_1990
10
10
1
0
9
0.9
0
0
0
0
0
6
0
0
3
334
331
324
347.75
337.375
0.023873
0.074324
10
5
0
1
36
3936612
utility
1976-02-03
Control and holding circuit for relay matrices
1,976
1
2
1
34
1976-03-31
46
7
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
10
10
1
0
9
0.9
0
0
0
0
0
6
0
0
3
334
331
324
347.75
337.375
0.023873
0.074324
10
5
0
3
36
3936781
utility
1976-02-03
Selecting device for crossbar switches
1,976
1
2
1
34
1976-03-31
38
5
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
10
10
1
0
9
0.9
0
0
0
0
0
6
0
0
3
334
331
324
347.75
337.375
0.023873
0.074324
10
5
0
2
36
3938025
utility
1976-02-10
DC to DC converter for producing two individually controlled and stabilized DC-voltages
1,976
1
2
1
41
1976-03-31
87
12
0
1
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
10
10
1
0
9
0.9
0
0
0
0
0
6
0
0
3
334
331
324
347.75
337.375
0.023873
0.074324
10
5
0
5
36
3938040
utility
1976-02-10
Apparatus for measuring a signal voltage including a current source with a control input on which said signal appears
1,976
1
2
1
41
1976-03-31
117
19
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
10
10
1
0
9
0.9
0
0
0
0
0
6
0
0
3
334
331
324
347.75
337.375
0.023873
0.074324
10
5
0
4
36
3940562
utility
1976-02-24
Transit exchange for time division multiplex asynchronous data
1,976
1
2
1
55
1976-03-31
62
8
0
0
0
0
0
0
0
1
0
0
1
2
1
0
0
legacy_pre_1990
10
10
1
0
9
0.9
0
0
0
0
0
6
0
0
3
334
331
324
347.75
337.375
0.023873
0.074324
10
5
0
7
36
3940566
utility
1976-02-24
Arrangement for preventing interruptions in a time division multiplex transmission link for transfer of data
1,976
1
2
1
55
1976-03-31
108
15
0
0
0
0
0
0
0
1
0
0
1
2
1
0
0
legacy_pre_1990
10
10
1
0
9
0.9
0
0
0
0
0
6
0
0
3
334
331
324
347.75
337.375
0.023873
0.074324
10
5
0
6
36
3942152
utility
1976-03-02
Verification arrangement
1,976
1
3
1
62
1976-03-31
24
2
0
0
0
0
0
0
0
1
0
0
0
1
1
0
0
legacy_pre_1990
10
10
1
0
9
0.9
0
0
0
0
0
6
0
0
3
334
331
324
347.75
337.375
0.023873
0.074324
10
5
0
8
36
3943444
utility
1976-03-09
Procedure to watch several radio channels at radio communication
1,976
1
3
1
69
1976-03-31
64
9
0
0
0
0
0
0
0
1
0
0
0
1
1
0
0
legacy_pre_1990
10
10
1
0
9
0.9
0
0
0
0
0
6
0
0
3
334
331
324
347.75
337.375
0.023873
0.074324
10
5
0
9
36
3944858
utility
1976-03-16
Arrangement for generating pulse sequences
1,976
1
3
1
76
1976-03-31
42
5
0
0
0
0
0
0
0
1
0
0
0
1
1
0
0
legacy_pre_1990
10
10
1
0
9
0.9
0
0
0
0
0
6
0
0
3
334
331
324
347.75
337.375
0.023873
0.074324
10
5
0
10
36
3949178
utility
1976-04-06
Electret device having charge maintained by radioactivity
1,976
2
4
1
97
1976-06-30
57
7
0
0
0
0
0
0
0
1
0
0
0
1
1
0
0
legacy_pre_1990
5
5
1
0
8.6
0.8
0
0
0
0
0
2
0
0
2
10
331
324
347.75
337.375
-0.5
0.074324
5
11
0
11
36
3962636
utility
1976-06-08
Device for converting an incoming analog signal into an outgoing PCM signal
1,976
2
6
1
160
1976-06-30
75
12
0
1
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
5
5
1
0
8.6
0.8
0
0
0
0
0
2
0
0
2
10
331
324
347.75
337.375
-0.5
0.074324
5
11
0
12
36
3963871
utility
1976-06-15
Analysis device for establishing the binary value of asynchronous data signals
1,976
2
6
1
167
1976-06-30
78
11
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
legacy_pre_1990
5
5
1
0
8.6
0.8
0
0
0
0
0
2
0
0
2
10
331
324
347.75
337.375
-0.5
0.074324
5
11
0
13
36
3965457
utility
1976-06-22
Digital control processor
1,976
2
6
1
174
1976-06-30
25
3
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
5
5
1
0
8.6
0.8
0
0
0
0
0
2
0
0
2
10
331
324
347.75
337.375
-0.5
0.074324
5
11
0
14
36
3967248
utility
1976-06-29
Arrangement for double-writing into a memory during data field relocation
1,976
2
6
1
181
1976-06-30
73
10
0
0
0
0
0
0
0
1
0
0
1
2
1
0
0
legacy_pre_1990
5
5
1
0
8.6
0.8
0
0
0
0
0
2
0
0
2
10
331
324
347.75
337.375
-0.5
0.074324
5
11
0
15
36
3969701
utility
1976-07-13
Function block oriented SPC system
1,976
3
7
1
195
1976-09-30
34
5
0
1
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
11
11
1
0
8.272727
0.363636
0
0
0
0
0
2
1
0
1
5
10
324
347.75
337.375
1.2
0.074324
11
10
0
16
36
3973192
utility
1976-08-03
Device for providing an early detection of aerosol products of combustion of a polyvinyl chloride substance
1,976
3
8
1
216
1976-09-30
107
16
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
11
11
1
0
8.272727
0.363636
0
0
0
0
0
2
1
0
1
5
10
324
347.75
337.375
1.2
0.074324
11
10
0
17
36
3973200
utility
1976-08-03
Process for acknowledging calls in a system for wireless staff locators
1,976
3
8
1
216
1976-09-30
71
11
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
11
11
1
0
8.272727
0.363636
0
0
0
0
0
2
1
0
1
5
10
324
347.75
337.375
1.2
0.074324
11
10
0
18
36
3974340
utility
1976-08-10
Data switching apparatus and method
1,976
3
8
1
223
1976-09-30
35
5
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
legacy_pre_1990
11
11
1
0
8.272727
0.363636
0
0
0
0
0
2
1
0
1
5
10
324
347.75
337.375
1.2
0.074324
11
10
0
19
36
3974344
utility
1976-08-10
Electronic speech circuit for a central battery telephone set
1,976
3
8
1
223
1976-09-30
61
9
0
0
0
0
0
0
0
0
1
0
0
1
1
0
0
legacy_pre_1990
11
11
1
0
8.272727
0.363636
0
0
0
0
0
2
1
0
1
5
10
324
347.75
337.375
1.2
0.074324
11
10
0
20
36
3974447
utility
1976-08-10
Pilot receiver
1,976
3
8
1
223
1976-09-30
14
2
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
11
11
1
0
8.272727
0.363636
0
0
0
0
0
2
1
0
1
5
10
324
347.75
337.375
1.2
0.074324
11
10
0
21
36
3976831
utility
1976-08-24
Method for transmitting pictures at a picture telephone transmission having limited bandwidth
1,976
3
8
1
237
1976-09-30
93
12
0
0
0
0
0
0
0
1
0
0
0
1
1
0
0
legacy_pre_1990
11
11
1
0
8.272727
0.363636
0
0
0
0
0
2
1
0
1
5
10
324
347.75
337.375
1.2
0.074324
11
10
0
22
36
3976972
utility
1976-08-24
Prevention of non-allowed character combinations
1,976
3
8
1
237
1976-09-30
48
5
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
11
11
1
0
8.272727
0.363636
0
0
0
0
0
2
1
0
1
5
10
324
347.75
337.375
1.2
0.074324
11
10
0
23
36
3980837
utility
1976-09-14
Apparatus for pulsing in telephone sets
1,976
3
9
1
258
1976-09-30
39
6
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
11
11
1
0
8.272727
0.363636
0
0
0
0
0
2
1
0
1
5
10
324
347.75
337.375
1.2
0.074324
11
10
0
24
36
3982211
utility
1976-09-21
Linearized varactor frequency modulated semi-conductor diode oscillator
1,976
3
9
1
265
1976-09-30
71
7
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
11
11
1
0
8.272727
0.363636
0
0
0
0
0
2
1
0
1
5
10
324
347.75
337.375
1.2
0.074324
11
10
0
25
36
3982243
utility
1976-09-21
Device for transmission of information from an information emitter to an information seeker
1,976
3
9
1
265
1976-09-30
91
13
0
0
0
0
0
0
0
1
0
0
0
1
1
0
0
legacy_pre_1990
11
11
1
0
8.272727
0.363636
0
0
0
0
0
2
1
0
1
5
10
324
347.75
337.375
1.2
0.074324
11
10
0
26
36
3986120
utility
1976-10-12
Telephone system comprising a satellite
1,976
4
10
1
286
1976-12-31
39
5
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
10
10
1
0
9.5
0.3
0
0
0
0
0
2
1
0
0
11
5
324
9
337.375
-0.090909
0.074324
10
10
0
27
36
3993110
utility
1976-11-23
Method of diffusing gas into a sealed vessel and a device for carrying out the method
1,976
4
11
1
328
1976-12-31
85
16
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
10
10
1
0
9.5
0.3
0
0
0
0
0
2
1
0
0
11
5
324
9
337.375
-0.090909
0.074324
10
10
0
28
36
3993531
utility
1976-11-23
Device for wrapping insulation tape about an elongate conductor
1,976
4
11
1
328
1976-12-31
63
9
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
10
10
1
0
9.5
0.3
0
0
0
0
0
2
1
0
0
11
5
324
9
337.375
-0.090909
0.074324
10
10
0
29
36
3993871
utility
1976-11-23
Relay matrix for selector networks
1,976
4
11
1
328
1976-12-31
34
5
0
0
0
0
0
0
0
1
0
0
0
1
1
0
0
legacy_pre_1990
10
10
1
0
9.5
0.3
0
0
0
0
0
2
1
0
0
11
5
324
9
337.375
-0.090909
0.074324
10
10
0
30
36
3993883
utility
1976-11-23
Contact spring set
1,976
4
11
1
328
1976-12-31
18
3
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
10
10
1
0
9.5
0.3
0
0
0
0
0
2
1
0
0
11
5
324
9
337.375
-0.090909
0.074324
10
10
0
31
36
3995217
utility
1976-11-30
Method and apparatus for suppressing background noise in a digital telephone system
1,976
4
11
1
335
1976-12-31
83
12
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
10
10
1
0
9.5
0.3
0
0
0
0
0
2
1
0
0
11
5
324
9
337.375
-0.090909
0.074324
10
10
0
32
36
3996567
utility
1976-12-07
Apparatus for indicating abnormal program execution in a process controlling computer operating in real time on different priority levels
1,976
4
12
1
342
1976-12-31
137
19
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
10
10
1
0
9.5
0.3
0
0
0
0
0
2
1
0
0
11
5
324
9
337.375
-0.090909
0.074324
10
10
0
33
36
3997727
utility
1976-12-14
Time division multiplexed digital switching apparatus
1,976
4
12
1
349
1976-12-31
53
6
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
10
10
1
0
9.5
0.3
0
0
0
0
0
2
1
0
0
11
5
324
9
337.375
-0.090909
0.074324
10
10
0
34
36
3997821
utility
1976-12-14
Solid electrolytic capacitor with planar cathode lead
1,976
4
12
1
349
1976-12-31
53
7
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
10
10
1
0
9.5
0.3
0
0
0
0
0
2
1
0
0
11
5
324
9
337.375
-0.090909
0.074324
10
10
0
35
36
3999086
utility
1976-12-21
Drive circuit for a controllable electronic switching element, for example, a power transistor
1,976
4
12
1
356
1976-12-31
94
13
0
0
0
0
0
0
0
1
1
0
0
2
1
0
0
legacy_pre_1990
10
10
1
0
9.5
0.3
0
0
0
0
0
2
1
0
0
11
5
324
9
337.375
-0.090909
0.074324
10
10
0
36
36
4001680
utility
1977-01-04
Device for measuring small frequency differencies
1,977
1
1
1
4
1977-03-31
49
6
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
10
10
0.9
0.1
5.2
0.1
0
0
0
0
0
0
0
1
0
10
11
10
9
337.375
0
0
10
9
1
37
42
4002851
utility
1977-01-11
Telecommunication system controlled by stored program instructions
1,977
1
1
1
11
1977-03-31
66
7
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
10
10
0.9
0.1
5.2
0.1
0
0
0
0
0
0
0
1
0
10
11
10
9
337.375
0
0
10
9
1
39
42
4003055
utility
1977-01-11
Radar function testing apparatus
1,977
1
1
1
11
1977-03-31
32
4
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
10
10
0.9
0.1
5.2
0.1
0
0
0
0
0
0
0
1
0
10
11
10
9
337.375
0
0
10
9
1
38
42
D243091
design
1977-01-18
Telephone accessory
1,977
1
1
1
18
1977-03-31
19
2
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
legacy_pre_1990
10
10
0.9
0.1
5.2
0.1
0
0
0
0
0
0
0
1
0
10
11
10
9
337.375
0
0
10
9
1
40
42
4005431
utility
1977-01-25
Slot antenna with waveguide coupling
1,977
1
1
1
25
1977-03-31
36
5
0
0
0
0
0
0
0
0
0
1
0
1
1
0
0
legacy_pre_1990
10
10
0.9
0.1
5.2
0.1
0
0
0
0
0
0
0
1
0
10
11
10
9
337.375
0
0
10
9
1
41
42
4010421
utility
1977-03-01
Synchronization method for the recovery of binary signals
1,977
1
3
1
60
1977-03-31
57
8
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
10
10
0.9
0.1
5.2
0.1
0
0
0
0
0
0
0
1
0
10
11
10
9
337.375
0
0
10
9
1
42
42
4012030
utility
1977-03-15
Fixture for precision positioning of work pieces
1,977
1
3
1
74
1977-03-31
48
7
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
10
10
0.9
0.1
5.2
0.1
0
0
0
0
0
0
0
1
0
10
11
10
9
337.375
0
0
10
9
1
43
42
4012698
utility
1977-03-15
Device for obtaining a jitterstable synchronization of a counter
1,977
1
3
1
74
1977-03-31
64
9
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
10
10
0.9
0.1
5.2
0.1
0
0
0
0
0
0
0
1
0
10
11
10
9
337.375
0
0
10
9
1
44
42
4013971
utility
1977-03-22
Integrated amplifier
1,977
1
3
1
81
1977-03-31
20
2
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
10
10
0.9
0.1
5.2
0.1
0
0
0
0
0
0
0
1
0
10
11
10
9
337.375
0
0
10
9
1
45
42
4014243
utility
1977-03-29
Expanding bolt
1,977
1
3
1
88
1977-03-31
14
2
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
10
10
0.9
0.1
5.2
0.1
0
0
0
0
0
0
0
1
0
10
11
10
9
337.375
0
0
10
9
1
46
42
4017783
utility
1977-04-12
Power transistor drive apparatus in a DC-converter
1,977
2
4
1
102
1977-06-30
50
7
0
1
0
0
0
0
0
1
1
0
0
2
1
0
0
legacy_pre_1990
9
9
0.888889
0.111111
6.333333
0.333333
0
0
0
0
0
2
1
0
0
10
10
5
10
337.375
-0.1
0.8
9
12
1
47
42
4018993
utility
1977-04-19
Telephone system comprising a satellite
1,977
2
4
1
109
1977-06-30
39
5
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
9
9
0.888889
0.111111
6.333333
0.333333
0
0
0
0
0
2
1
0
0
10
10
5
10
337.375
-0.1
0.8
9
12
1
48
42
4021762
utility
1977-05-03
Quartz crystal compensation circuit
1,977
2
5
1
123
1977-06-30
35
4
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
9
9
0.888889
0.111111
6.333333
0.333333
0
0
0
0
0
2
1
0
0
10
10
5
10
337.375
-0.1
0.8
9
12
1
49
42
4022982
utility
1977-05-10
Apparatus for rearrangement of a switching network
1,977
2
5
1
130
1977-06-30
50
7
0
0
0
0
0
0
0
1
0
0
0
1
1
0
0
legacy_pre_1990
9
9
0.888889
0.111111
6.333333
0.333333
0
0
0
0
0
2
1
0
0
10
10
5
10
337.375
-0.1
0.8
9
12
1
50
42
4023112
utility
1977-05-10
Broad band amplifier having negative feedback and a controllable amplification factor
1,977
2
5
1
130
1977-06-30
85
11
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
9
9
0.888889
0.111111
6.333333
0.333333
0
0
0
0
0
2
1
0
0
10
10
5
10
337.375
-0.1
0.8
9
12
1
51
42
4024630
utility
1977-05-24
Machine for manufacturing cable forms
1,977
2
5
1
144
1977-06-30
37
5
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
9
9
0.888889
0.111111
6.333333
0.333333
0
0
0
0
0
2
1
0
0
10
10
5
10
337.375
-0.1
0.8
9
12
1
52
42
D244617
design
1977-06-07
Telephone instrument
1,977
2
6
1
158
1977-06-30
20
2
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
legacy_pre_1990
9
9
0.888889
0.111111
6.333333
0.333333
0
0
0
0
0
2
1
0
0
10
10
5
10
337.375
-0.1
0.8
9
12
1
53
42
4032380
utility
1977-06-28
Method of joining of insulated high-voltage cables
1,977
2
6
1
179
1977-06-30
50
7
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
9
9
0.888889
0.111111
6.333333
0.333333
0
0
0
0
0
2
1
0
0
10
10
5
10
337.375
-0.1
0.8
9
12
1
55
42
4032721
utility
1977-06-28
Stored program logic system using a common exchange circuit
1,977
2
6
1
179
1977-06-30
59
9
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
9
9
0.888889
0.111111
6.333333
0.333333
0
0
0
0
0
2
1
0
0
10
10
5
10
337.375
-0.1
0.8
9
12
1
54
42
4035592
utility
1977-07-12
Subscriber monitoring unit for electronic telephone exchanges
1,977
3
7
1
193
1977-09-30
61
7
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
12
12
0.916667
0.083333
6.083333
0.166667
0
0
0
0
0
1
0
0
1
9
10
11
10.25
337.375
0.333333
0.090909
12
11
1
56
42
D245111
design
1977-07-19
Staff locator
1,977
3
7
1
200
1977-09-30
13
2
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
legacy_pre_1990
12
12
0.916667
0.083333
6.083333
0.166667
0
0
0
0
0
1
0
0
1
9
10
11
10.25
337.375
0.333333
0.090909
12
11
1
57
42
4040269
utility
1977-08-09
Apparatus for continuously cooling wire shaped objects
1,977
3
8
1
221
1977-09-30
54
7
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
12
12
0.916667
0.083333
6.083333
0.166667
0
0
0
0
0
1
0
0
1
9
10
11
10.25
337.375
0.333333
0.090909
12
11
1
58
42
4041417
utility
1977-08-09
Low duty cycle pulse generator using two thyristors
1,977
3
8
1
221
1977-09-30
51
8
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
12
12
0.916667
0.083333
6.083333
0.166667
0
0
0
0
0
1
0
0
1
9
10
11
10.25
337.375
0.333333
0.090909
12
11
1
59
42
4041458
utility
1977-08-09
Arrangement for carrying out random selection among a plurality of selectable devices in a telecommunication system
1,977
3
8
1
221
1977-09-30
115
16
0
0
0
0
0
0
0
1
0
0
0
1
1
0
0
legacy_pre_1990
12
12
0.916667
0.083333
6.083333
0.166667
0
0
0
0
0
1
0
0
1
9
10
11
10.25
337.375
0.333333
0.090909
12
11
1
60
42
4042289
utility
1977-08-16
Plug contact device intended for mounting on circuit cards
1,977
3
8
1
228
1977-09-30
58
9
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
12
12
0.916667
0.083333
6.083333
0.166667
0
0
0
0
0
1
0
0
1
9
10
11
10.25
337.375
0.333333
0.090909
12
11
1
62
42
4042921
utility
1977-08-16
Digital encoder/decoder
1,977
3
8
1
228
1977-09-30
23
2
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
12
12
0.916667
0.083333
6.083333
0.166667
0
0
0
0
0
1
0
0
1
9
10
11
10.25
337.375
0.333333
0.090909
12
11
1
61
42
4045867
utility
1977-09-06
Method for encapsulating electrical components
1,977
3
9
1
249
1977-09-30
46
5
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
12
12
0.916667
0.083333
6.083333
0.166667
0
0
0
0
0
1
0
0
1
9
10
11
10.25
337.375
0.333333
0.090909
12
11
1
64
42
4046447
utility
1977-09-06
Contact device
1,977
3
9
1
249
1977-09-30
14
2
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
12
12
0.916667
0.083333
6.083333
0.166667
0
0
0
0
0
1
0
0
1
9
10
11
10.25
337.375
0.333333
0.090909
12
11
1
63
42
4048445
utility
1977-09-13
Method for through connection check in digital data system
1,977
3
9
1
256
1977-09-30
58
9
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
legacy_pre_1990
12
12
0.916667
0.083333
6.083333
0.166667
0
0
0
0
0
1
0
0
1
9
10
11
10.25
337.375
0.333333
0.090909
12
11
1
66
42
4048579
utility
1977-09-13
Feed-forward amplifier
1,977
3
9
1
256
1977-09-30
22
2
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
12
12
0.916667
0.083333
6.083333
0.166667
0
0
0
0
0
1
0
0
1
9
10
11
10.25
337.375
0.333333
0.090909
12
11
1
65
42
4048581
utility
1977-09-13
Oscillator frequency control loop
1,977
3
9
1
256
1977-09-30
33
4
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
12
12
0.916667
0.083333
6.083333
0.166667
0
0
0
0
0
1
0
0
1
9
10
11
10.25
337.375
0.333333
0.090909
12
11
1
67
42
4053723
utility
1977-10-11
Method and apparatus for measuring the bit error frequency in a cable caused by crosstalk between line pairs during transmission of a 3-level coded PCM signal
1,977
4
10
1
284
1977-12-31
158
26
1
1
0
0
0
0
0
1
0
0
0
1
1
0
0
legacy_pre_1990
11
11
0.909091
0.090909
9.272727
0.454545
0
0
0
1
0
3
0
0
1
12
9
10
10.5
9.75
-0.083333
0.1
11
16
1
68
42
4053947
utility
1977-10-11
Method and apparatus for executing sequential data processing instructions in function units of a computer
1,977
4
10
1
284
1977-12-31
106
15
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
legacy_pre_1990
11
11
0.909091
0.090909
9.272727
0.454545
0
0
0
1
0
3
0
0
1
12
9
10
10.5
9.75
-0.083333
0.1
11
16
1
69
42
D246167
design
1977-10-25
Tool for digging and laying of submarine cable
1,977
4
10
1
298
1977-12-31
46
8
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
legacy_pre_1990
11
11
0.909091
0.090909
9.272727
0.454545
0
0
0
1
0
3
0
0
1
12
9
10
10.5
9.75
-0.083333
0.1
11
16
1
70
42
4057312
utility
1977-11-08
Connecting device at a bus bar
1,977
4
11
1
312
1977-12-31
30
6
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
11
11
0.909091
0.090909
9.272727
0.454545
0
0
0
1
0
3
0
0
1
12
9
10
10.5
9.75
-0.083333
0.1
11
16
1
71
42
4058265
utility
1977-11-15
Cable magazine
1,977
4
11
1
319
1977-12-31
14
2
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
11
11
0.909091
0.090909
9.272727
0.454545
0
0
0
1
0
3
0
0
1
12
9
10
10.5
9.75
-0.083333
0.1
11
16
1
72
42
4058673
utility
1977-11-15
Arrangement for ciphering and deciphering of information
1,977
4
11
1
319
1977-12-31
56
7
0
0
0
0
0
1
0
1
0
0
0
2
1
0
0
legacy_pre_1990
11
11
0.909091
0.090909
9.272727
0.454545
0
0
0
1
0
3
0
0
1
12
9
10
10.5
9.75
-0.083333
0.1
11
16
1
73
42
4060700
utility
1977-11-29
Two-party telephone system
1,977
4
11
1
333
1977-12-31
26
3
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
11
11
0.909091
0.090909
9.272727
0.454545
0
0
0
1
0
3
0
0
1
12
9
10
10.5
9.75
-0.083333
0.1
11
16
1
74
42
4060797
utility
1977-11-29
Serial digital bit stream code detector
1,977
4
11
1
333
1977-12-31
39
6
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
11
11
0.909091
0.090909
9.272727
0.454545
0
0
0
1
0
3
0
0
1
12
9
10
10.5
9.75
-0.083333
0.1
11
16
1
75
42
4061881
utility
1977-12-06
Method and apparatus for generating a number of weakly correlated pseudorandom pulse trains
1,977
4
12
1
340
1977-12-31
91
13
0
0
0
0
0
0
0
1
0
0
0
1
1
0
0
legacy_pre_1990
11
11
0.909091
0.090909
9.272727
0.454545
0
0
0
1
0
3
0
0
1
12
9
10
10.5
9.75
-0.083333
0.1
11
16
1
76
42
4062611
utility
1977-12-13
Connector system for a race equipment
1,977
4
12
1
347
1977-12-31
37
6
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
11
11
0.909091
0.090909
9.272727
0.454545
0
0
0
1
0
3
0
0
1
12
9
10
10.5
9.75
-0.083333
0.1
11
16
1
77
42
4065652
utility
1977-12-27
Contact assembly and mounting structure for cross bar selector switch
1,977
4
12
1
361
1977-12-31
69
10
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
11
11
0.909091
0.090909
9.272727
0.454545
0
0
0
1
0
3
0
0
1
12
9
10
10.5
9.75
-0.083333
0.1
11
16
1
78
42
4068098
utility
1978-01-10
Method of and arrangement for addressing a switch memory in a transit exchange for synchronous data signals
1,978
1
1
1
10
1978-03-31
107
17
0
0
0
0
0
0
0
1
0
0
1
2
1
0
0
legacy_pre_1990
16
16
1
0
11.1875
0.5625
0
0
0
0
0
5
0
0
4
11
12
10
12
10.5
0.454545
0.6
16
8
2
80
45
4068099
utility
1978-01-10
Method of and apparatus for switching service information units in a TDM system
1,978
1
1
1
10
1978-03-31
79
13
0
1
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
16
16
1
0
11.1875
0.5625
0
0
0
0
0
5
0
0
4
11
12
10
12
10.5
0.454545
0.6
16
8
2
81
45
4068102
utility
1978-01-10
Wall-stand for telephone sets of standing handset type
1,978
1
1
1
10
1978-03-31
54
8
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
16
16
1
0
11.1875
0.5625
0
0
0
0
0
5
0
0
4
11
12
10
12
10.5
0.454545
0.6
16
8
2
79
45
4071701
utility
1978-01-31
Method of and apparatus for addressing a buffer memory in a transit exchange for synchronous data signals
1,978
1
1
1
31
1978-03-31
105
17
0
0
0
0
0
0
0
1
0
0
1
2
1
0
0
legacy_pre_1990
16
16
1
0
11.1875
0.5625
0
0
0
0
0
5
0
0
4
11
12
10
12
10.5
0.454545
0.6
16
8
2
82
45
4074073
utility
1978-02-14
Pilot receiver memory unit in a carrier frequency system
1,978
1
2
1
45
1978-03-31
56
9
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
16
16
1
0
11.1875
0.5625
0
0
0
0
0
5
0
0
4
11
12
10
12
10.5
0.454545
0.6
16
8
2
83
45
4074207
utility
1978-02-14
Interference resistant phase-locked loop
1,978
1
2
1
45
1978-03-31
40
4
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
16
16
1
0
11.1875
0.5625
0
0
0
0
0
5
0
0
4
11
12
10
12
10.5
0.454545
0.6
16
8
2
84
45
4074421
utility
1978-02-21
Method and apparatus for connecting conductors to terminals of an apparatus
1,978
1
2
1
52
1978-03-31
75
11
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
16
16
1
0
11.1875
0.5625
0
0
0
0
0
5
0
0
4
11
12
10
12
10.5
0.454545
0.6
16
8
2
89
45
4075427
utility
1978-02-21
System for phase division multiplex duplex communication over a two-wire circuit between a master terminal and a slave terminal
1,978
1
2
1
52
1978-03-31
127
19
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
16
16
1
0
11.1875
0.5625
0
0
0
0
0
5
0
0
4
11
12
10
12
10.5
0.454545
0.6
16
8
2
88
45
4075428
utility
1978-02-21
Device for providing phase synchronism of a transit station in a digital telecommunication network
1,978
1
2
1
52
1978-03-31
98
14
0
0
0
0
0
0
0
1
0
0
0
1
1
0
0
legacy_pre_1990
16
16
1
0
11.1875
0.5625
0
0
0
0
0
5
0
0
4
11
12
10
12
10.5
0.454545
0.6
16
8
2
90
45
4075466
utility
1978-02-21
Method of and arrangement for detecting faults in a memory device
1,978
1
2
1
52
1978-03-31
65
11
0
0
0
0
0
0
0
1
0
0
0
1
1
0
0
legacy_pre_1990
16
16
1
0
11.1875
0.5625
0
0
0
0
0
5
0
0
4
11
12
10
12
10.5
0.454545
0.6
16
8
2
87
45
4075683
utility
1978-02-21
Rack for circuit boards
1,978
1
2
1
52
1978-03-31
23
4
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
16
16
1
0
11.1875
0.5625
0
0
0
0
0
5
0
0
4
11
12
10
12
10.5
0.454545
0.6
16
8
2
86
45
4075694
utility
1978-02-21
Apparatus in connection with a computer memory for enabling transportation of an empty memory field from one side to the other of an adjacent data field while the computer is operative
1,978
1
2
1
52
1978-03-31
184
31
0
0
0
0
0
0
0
1
0
0
1
2
1
0
0
legacy_pre_1990
16
16
1
0
11.1875
0.5625
0
0
0
0
0
5
0
0
4
11
12
10
12
10.5
0.454545
0.6
16
8
2
85
45
4077691
utility
1978-03-07
Contact device
1,978
1
3
1
66
1978-03-31
14
2
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
16
16
1
0
11.1875
0.5625
0
0
0
0
0
5
0
0
4
11
12
10
12
10.5
0.454545
0.6
16
8
2
91
45
4078158
utility
1978-03-07
Call distributing automatic telephone installation
1,978
1
3
1
66
1978-03-31
50
5
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
16
16
1
0
11.1875
0.5625
0
0
0
0
0
5
0
0
4
11
12
10
12
10.5
0.454545
0.6
16
8
2
92
45
4081610
utility
1978-03-28
Fast access antiphase control memory for digital data switches
1,978
1
3
1
87
1978-03-31
62
9
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
legacy_pre_1990
16
16
1
0
11.1875
0.5625
0
0
0
0
0
5
0
0
4
11
12
10
12
10.5
0.454545
0.6
16
8
2
94
45
4081662
utility
1978-03-28
Clock supervision in digital systems
1,978
1
3
1
87
1978-03-31
36
5
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
16
16
1
0
11.1875
0.5625
0
0
0
0
0
5
0
0
4
11
12
10
12
10.5
0.454545
0.6
16
8
2
93
45
4082023
utility
1978-04-04
Cable cutter
1,978
2
4
1
94
1978-06-30
12
2
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
8
8
1
0
9.5
0.375
0
0
0
0
0
2
0
0
1
16
11
9
11.75
10.875
-0.5
-0.111111
8
11
2
95
45
4082924
utility
1978-04-04
Reference signal circuit in a receiver for detecting two frequencies in a multifrequency tone signal
1,978
2
4
1
94
1978-06-30
100
15
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
8
8
1
0
9.5
0.375
0
0
0
0
0
2
0
0
1
16
11
9
11.75
10.875
-0.5
-0.111111
8
11
2
96
45
4084068
utility
1978-04-11
Supporting device for mounting a magnetic core on a printed circuit card
1,978
2
4
1
101
1978-06-30
72
12
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
8
8
1
0
9.5
0.375
0
0
0
0
0
2
0
0
1
16
11
9
11.75
10.875
-0.5
-0.111111
8
11
2
97
45
4092499
utility
1978-05-30
Apparatus for detecting a voice frequency signal
1,978
2
5
1
150
1978-06-30
48
7
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
8
8
1
0
9.5
0.375
0
0
0
0
0
2
0
0
1
16
11
9
11.75
10.875
-0.5
-0.111111
8
11
2
98
45
4093337
utility
1978-06-06
Socket contact
1,978
2
6
1
157
1978-06-30
14
2
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
8
8
1
0
9.5
0.375
0
0
0
0
0
2
0
0
1
16
11
9
11.75
10.875
-0.5
-0.111111
8
11
2
99
45
4095054
utility
1978-06-13
Electronic telephone switching system of the stored program type comprising two active stages and one passive stage
1,978
2
6
1
164
1978-06-30
115
17
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
legacy_pre_1990
8
8
1
0
9.5
0.375
0
0
0
0
0
2
0
0
1
16
11
9
11.75
10.875
-0.5
-0.111111
8
11
2
101
45
End of preview.

Ericsson Innovation Timeline: Patent Evolution

Unlock insights from half a century of telecom innovation

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