US2731201A
(en)
*
|
1950-12-21 |
1956-01-17 |
Ibm |
Electronic counter
|
US2644893A
(en)
*
|
1952-06-02 |
1953-07-07 |
Rca Corp |
Semiconductor pulse memory circuits
|
FR1086474A
(sh)
*
|
1952-07-28 |
|
|
|
BE520390A
(sh)
*
|
1952-09-30 |
|
|
|
NL192868A
(sh)
*
|
1952-10-09 |
|
|
|
NL185742B
(nl)
*
|
1953-04-20 |
|
Motorola Inc |
Halfgeleiderschakelinrichting bestaande uit een door middel van licht te besturen thyristorschakelaar voor beide stroomrichtingen.
|
GB760919A
(en)
*
|
1953-05-15 |
1956-11-07 |
Nat Res Dev |
Improvements in or relating to shift register circuits employing transistors
|
BE526604A
(sh)
*
|
1953-06-04 |
|
|
|
BE529886A
(sh)
*
|
1953-06-26 |
|
|
|
US2905815A
(en)
*
|
1953-08-26 |
1959-09-22 |
Rca Corp |
Transistor, operating in collector saturation carrier-storage region, converting pulse amplitude to pulse duration
|
US2888556A
(en)
*
|
1953-12-21 |
1959-05-26 |
Ibm |
Electronic counting system
|
US2838664A
(en)
*
|
1954-07-14 |
1958-06-10 |
Philips Corp |
Transistor counter circuit
|
US2843761A
(en)
*
|
1954-07-29 |
1958-07-15 |
Arthur W Carlson |
High speed transistor flip-flops
|
US2882423A
(en)
*
|
1954-09-30 |
1959-04-14 |
Ibm |
Ring circuit
|
US3089964A
(en)
*
|
1954-09-30 |
1963-05-14 |
Ibm |
Inverter with output clamp and r-c circuit
|
US2848628A
(en)
*
|
1954-10-06 |
1958-08-19 |
Hazeltine Research Inc |
Transistor ring counter
|
US2820153A
(en)
*
|
1954-10-25 |
1958-01-14 |
Rca Corp |
Electronic counter systems
|
NL113805C
(sh)
*
|
1955-02-02 |
|
|
|
GB786056A
(en)
*
|
1955-05-25 |
1957-11-13 |
Standard Telephones Cables Ltd |
Improvements in or relating to electrical circuits employing static electrical switches
|
US2910596A
(en)
*
|
1955-08-03 |
1959-10-27 |
Carlson Arthur William |
Non-saturating transistor ring counter
|
US2881333A
(en)
*
|
1955-09-23 |
1959-04-07 |
Robert H Pickard |
Transistorized counter
|
US2929939A
(en)
*
|
1955-11-17 |
1960-03-22 |
Philco Corp |
Transistor amplifier
|
BE560244A
(sh)
*
|
1956-08-24 |
|
|
|
DE1050810B
(de)
*
|
1956-09-04 |
1959-02-19 |
IBM Deutschland Internationale Büro-Maschinen Gesellschaft m.b.H., Sindelfingen (Württ.) |
Bistabile Schaltung mit Flächentransistoren
|
US2937290A
(en)
*
|
1957-06-20 |
1960-05-17 |
Westinghouse Electric Corp |
Anti-coincident circuit
|
US2972062A
(en)
*
|
1957-10-28 |
1961-02-14 |
Bell Telephone Labor Inc |
Transistor binary counter
|
US3021432A
(en)
*
|
1957-12-31 |
1962-02-13 |
Ibm |
Non-cutoff transistor switching circuit
|
US3047817A
(en)
*
|
1958-02-24 |
1962-07-31 |
Gen Dynamics Corp |
Electronic ring circuit distributor including selectable interrupting means and output gates to provide non-overlapping operation
|
US2985771A
(en)
*
|
1958-07-29 |
1961-05-23 |
Ibm |
Transistor switching system
|
US3171969A
(en)
*
|
1959-03-11 |
1965-03-02 |
Gen Dynamics Corp |
Magnetic core reset circuit
|
US2996629A
(en)
*
|
1959-03-19 |
1961-08-15 |
Collins Radio Co |
Electronic fader circuit
|
US3016470A
(en)
*
|
1959-04-14 |
1962-01-09 |
Bell Telephone Labor Inc |
Shift register
|
US3035185A
(en)
*
|
1959-04-22 |
1962-05-15 |
Bell Telephone Labor Inc |
Transistor tree ring counter
|
US3062972A
(en)
*
|
1959-11-25 |
1962-11-06 |
Bell Telephone Labor Inc |
Field effect avalanche transistor circuit with selective reverse biasing means
|