|
US2744198A
(en)
*
|
1951-11-02 |
1956-05-01 |
Bell Telephone Labor Inc |
Transistor trigger circuits
|
|
NL89157C
(pt)
*
|
1952-11-05 |
|
|
|
|
BE524024A
(pt)
*
|
1952-11-07 |
|
|
|
|
US2985841A
(en)
*
|
1952-11-14 |
1961-05-23 |
Rca Corp |
Power amplifiers
|
|
NL182821B
(nl)
*
|
1952-11-15 |
|
Wurth Anciens Ets Paul |
Vulinstallatie voor een schachtoven.
|
|
BE524278A
(pt)
*
|
1952-11-15 |
|
|
|
|
BE526444A
(pt)
*
|
1953-02-13 |
|
|
|
|
US2762870A
(en)
*
|
1953-05-28 |
1956-09-11 |
Rca Corp |
Push-pull complementary type transistor amplifier
|
|
US2890418A
(en)
*
|
1953-09-18 |
1959-06-09 |
Rca Corp |
Non-linear semi-conductor signal translating circuits
|
|
US2802067A
(en)
*
|
1953-09-30 |
1957-08-06 |
Rca Corp |
Symmetrical direct current stabilization in semiconductor amplifiers
|
|
US2924778A
(en)
*
|
1953-09-30 |
1960-02-09 |
Rca Corp |
Semi-conductor signal conveying circuits
|
|
US2782267A
(en)
*
|
1953-10-08 |
1957-02-19 |
North American Aviation Inc |
Push-pull transistor amplifier
|
|
US2788493A
(en)
*
|
1953-10-28 |
1957-04-09 |
Rca Corp |
Modulated semi-conductor oscillator circuit
|
|
US2873367A
(en)
*
|
1953-11-19 |
1959-02-10 |
Rca Corp |
Angle modulation detector
|
|
BE533823A
(pt)
*
|
1953-12-04 |
|
|
|
|
US2919355A
(en)
*
|
1953-12-31 |
1959-12-29 |
Sylvania Electric Prod |
Bi-stable transistor circuit
|
|
US2819352A
(en)
*
|
1954-01-29 |
1958-01-07 |
Gen Precision Lab Inc |
Transistor magnetic amplifier circuit
|
|
BE536128A
(pt)
*
|
1954-03-01 |
|
|
|
|
US2885495A
(en)
*
|
1954-03-24 |
1959-05-05 |
Rca Corp |
Emitter coupled transistor amplifier
|
|
US2922051A
(en)
*
|
1954-04-05 |
1960-01-19 |
Westinghouse Electric Corp |
Low voltage inverting device
|
|
US2856520A
(en)
*
|
1954-04-30 |
1958-10-14 |
Rca Corp |
Oscillator using point contact and junction transistors for improved frequency stability
|
|
US2791645A
(en)
*
|
1954-05-04 |
1957-05-07 |
Carlton E Bessey |
Transistor amplifier
|
|
US2924757A
(en)
*
|
1954-06-18 |
1960-02-09 |
Barber Colman Co |
Phase-sensitive amplifier
|
|
US2764687A
(en)
*
|
1954-07-19 |
1956-09-25 |
Hoffman Electronics Corp |
Transistor automatic frequency control
|
|
US2932794A
(en)
*
|
1954-07-29 |
1960-04-12 |
Motorola Inc |
Subcarrier separation system
|
|
US2895058A
(en)
*
|
1954-09-23 |
1959-07-14 |
Rca Corp |
Semiconductor devices and systems
|
|
BE542318A
(pt)
*
|
1954-10-26 |
|
|
|
|
US2892165A
(en)
*
|
1954-10-27 |
1959-06-23 |
Rca Corp |
Temperature stabilized two-terminal semi-conductor filter circuit
|
|
US2981895A
(en)
*
|
1954-11-29 |
1961-04-25 |
Rca Corp |
Series energized transistor amplifier
|
|
US2886754A
(en)
*
|
1955-03-24 |
1959-05-12 |
Honeywell Regulator Co |
Push-pull motor drive circuit
|
|
US2820199A
(en)
*
|
1955-05-25 |
1958-01-14 |
Philips Corp |
Push-pull modulator
|
|
US2898476A
(en)
*
|
1955-07-05 |
1959-08-04 |
Honeywell Regulator Co |
Transistor control apparatus
|
|
US3113217A
(en)
*
|
1955-08-03 |
1963-12-03 |
Sylvania Electric Prod |
Trigger circuits employing transistors of complementary characteristics
|
|
US2916636A
(en)
*
|
1955-08-09 |
1959-12-08 |
Thompson Ramo Wooldridge Inc |
Current feedback multivibrator utilizing transistors
|
|
US2860195A
(en)
*
|
1955-09-07 |
1958-11-11 |
Rca Corp |
Semi-conductor amplifier circuit
|
|
US2938174A
(en)
*
|
1955-09-14 |
1960-05-24 |
Honeywell Regulator Co |
Condition responsive apparatus
|
|
US2901612A
(en)
*
|
1955-12-29 |
1959-08-25 |
Sylvania Electric Prod |
Phase shift detector
|
|
US2851542A
(en)
*
|
1956-05-17 |
1958-09-09 |
Rca Corp |
Transistor signal amplifier circuits
|
|
US2945187A
(en)
*
|
1956-08-24 |
1960-07-12 |
Phillips Petroleum Co |
Temperature compensated transistor amplifier
|
|
US3157817A
(en)
*
|
1959-08-24 |
1964-11-17 |
Sony Corp |
Transformer circuit for balancing current flow through parallel semiconductors
|
|
DE1185255B
(de)
*
|
1962-08-01 |
1965-01-14 |
Telefunken Patent |
Gegentakt-Kettenverstaerker
|