|
US2984705A
(en)
*
|
1953-06-15 |
1961-05-16 |
Harris Lionel Roy Frank |
Control apparatus for communication systems
|
|
GB784522A
(en)
*
|
1954-10-19 |
1957-10-09 |
Gen Electric Co Ltd |
Improvements in and relating to automatic telephone systems
|
|
GB907380A
(en)
*
|
1958-02-06 |
1962-10-03 |
Standard Telephones Cables Ltd |
Improvements in or relating to data processing systems
|
|
USRE25911E
(en)
*
|
1958-09-11 |
1965-11-23 |
|
Vaughan
multiplex signaling system |
|
FR1212984A
(fr)
*
|
1958-10-21 |
1960-03-28 |
Labo Cent Telecommunicat |
Systèmes de commutation entre voies de communication multiplex
|
|
NL111831C
(US06811534-20041102-M00003.png)
*
|
1959-02-26 |
|
|
|
|
BE570722A
(US06811534-20041102-M00003.png)
*
|
1959-03-13 |
|
|
|
|
US3176077A
(en)
*
|
1959-05-21 |
1965-03-30 |
Gen Dynamics Corp |
Electronic switching telephone system
|
|
US3068322A
(en)
*
|
1959-05-28 |
1962-12-11 |
Bell Telephone Labor Inc |
Switching system
|
|
NL255653A
(US06811534-20041102-M00003.png)
*
|
1959-09-30 |
|
|
|
|
US3033935A
(en)
*
|
1959-09-30 |
1962-05-08 |
Automatic Elect Lab |
Electronic communication system
|
|
NL256714A
(US06811534-20041102-M00003.png)
*
|
1959-10-12 |
|
|
|
|
NL244502A
(US06811534-20041102-M00003.png)
*
|
1959-10-20 |
|
|
|
|
US3187101A
(en)
*
|
1959-10-20 |
1965-06-01 |
Int Standard Electric Corp |
Time division multiplex resonant transfer system
|
|
US3121197A
(en)
*
|
1960-03-08 |
1964-02-11 |
Bell Telephone Labor Inc |
Voice-frequency binary data transmission system with return signal
|
|
US3204038A
(en)
*
|
1961-05-29 |
1965-08-31 |
Itt |
Electronic switching telephone system
|
|
NL136418C
(US06811534-20041102-M00003.png)
*
|
1960-04-27 |
|
|
|
|
DE1206970B
(de)
*
|
1960-05-09 |
1965-12-16 |
Fuji Tsushinki Seizo Kabushiki |
Schaltungsanordnung zum zeitlichen Versetzen von Nachrichtenkanaelen in Zeitmultiplex-nachrichtensystemen
|
|
US3109897A
(en)
*
|
1960-05-20 |
1963-11-05 |
Bell Telephone Labor Inc |
Synchronization of pulse transmission systems
|
|
US3158688A
(en)
*
|
1960-06-06 |
1964-11-24 |
Gen Dynamics Corp |
Time division multiplex telephone circuitry for providing rapid transfer of a call from one called party to another
|
|
NL265784A
(US06811534-20041102-M00003.png)
*
|
1960-06-10 |
|
|
|
|
NL265791A
(US06811534-20041102-M00003.png)
*
|
1960-06-10 |
|
|
|
|
NL264064A
(US06811534-20041102-M00003.png)
*
|
1960-06-29 |
|
|
|
|
US3171896A
(en)
*
|
1960-07-26 |
1965-03-02 |
Gen Dynamics Corp |
Time division multiplex communication system conference circuit
|
|
US3171895A
(en)
*
|
1960-07-26 |
1965-03-02 |
Gen Dynamics Corp |
Automatic communication system
|
|
US3158689A
(en)
*
|
1960-09-13 |
1964-11-24 |
Int Standard Electric Corp |
System for determining and selecting free aligned telecommunication channels
|
|
US3165588A
(en)
*
|
1960-11-25 |
1965-01-12 |
Holzer Johann |
Tune division multiplex digital communication system employing delta modulation
|
|
USRE26227E
(en)
*
|
1961-01-30 |
1967-06-27 |
|
Electronic switching system and line circuit therefor |
|
GB946254A
(en)
*
|
1961-02-23 |
1964-01-08 |
British Telecomm Res Ltd |
Improvements in or relating to electrical signalling systems
|
|
US3164678A
(en)
*
|
1961-02-27 |
1965-01-05 |
Gen Dynamics Corp |
Electronic switching system having a data register including circulating memory means
|
|
US3160712A
(en)
*
|
1961-05-02 |
1964-12-08 |
Automatic Elect Lab |
Electronic switching system
|
|
NL278500A
(US06811534-20041102-M00003.png)
*
|
1961-05-18 |
|
|
|
|
US3223976A
(en)
*
|
1961-05-26 |
1965-12-14 |
Bell Telephone Labor Inc |
Data communication system
|
|
GB1034921A
(en)
*
|
1961-06-01 |
1966-07-06 |
Post Office |
Improvements in or relating to time division multiplex telecommunication switching systems
|
|
NL280289A
(US06811534-20041102-M00003.png)
*
|
1961-06-29 |
|
|
|
|
NL280223A
(US06811534-20041102-M00003.png)
*
|
1961-06-29 |
|
|
|
|
DE1212165B
(de)
*
|
1961-07-25 |
1966-03-10 |
Siemens Ag |
Schaltungsanordnung fuer Zeitmultiplex-Fernsprechvermittlungssysteme
|
|
US3149205A
(en)
*
|
1961-08-07 |
1964-09-15 |
Automatic Elect Lab |
Resonant transfer circuit that utilizes a common constant length transmission line
|
|
US3111557A
(en)
*
|
1961-08-16 |
1963-11-19 |
Gen Dynamics Corp |
Time division multiplex transmission system
|
|
US3153122A
(en)
*
|
1961-09-05 |
1964-10-13 |
Automatic Elect Lab |
Electronic switching system
|
|
US3223977A
(en)
*
|
1961-10-23 |
1965-12-14 |
Stromberg Carlson Corp |
Roll call generator
|
|
DE1255734B
(de)
*
|
1964-09-15 |
1967-12-07 |
Siemens Ag |
Schaltungsanordnung fuer ein nach dem Zeitmultiplexprinzip arbeitendes Vermittlungssystem
|
|
US3479466A
(en)
*
|
1966-02-03 |
1969-11-18 |
Bell Telephone Labor Inc |
Communication system with control signal delay means
|
|
US3349190A
(en)
*
|
1966-12-19 |
1967-10-24 |
Stromberg Carlson Corp |
Transmission of supervisory signals in a time division multiplex system
|
|
US3908092A
(en)
*
|
1973-12-21 |
1975-09-23 |
Bell Telephone Labor Inc |
Program controlled time division switching systems
|
|
US4551831A
(en)
*
|
1984-01-31 |
1985-11-05 |
Usdata Corporation |
Time division multiplexed system for non real time digital switching
|
