US3243601A
(en)
*
|
1957-06-17 |
1966-03-29 |
Martin Marietta Corp |
Electrical timing circuit
|
US3121172A
(en)
*
|
1959-02-17 |
1964-02-11 |
Honeywell Regulator Co |
Electrical pulse manipulating apparatus
|
US3421028A
(en)
*
|
1959-11-24 |
1969-01-07 |
Allis Chalmers Mfg Co |
Static protective relay system
|
US3116441A
(en)
*
|
1960-02-19 |
1963-12-31 |
Itt |
Circuit for maintaining a load energized at decreased power following energization
|
US3178619A
(en)
*
|
1960-02-23 |
1965-04-13 |
Cons Electronics Ind |
Detector circuit
|
US3060350A
(en)
*
|
1960-03-07 |
1962-10-23 |
Northern Electric Co |
Timing delay and reset circuit
|
US3135897A
(en)
*
|
1960-03-30 |
1964-06-02 |
Gen Precision Inc |
Amplitude detector
|
NL262182A
(en)
*
|
1960-04-16 |
|
|
|
FR1267270A
(en)
*
|
1960-06-09 |
1961-07-21 |
Electronique Et D Automatique |
Control device for a protection relay for an electrical power supply circuit
|
US3139562A
(en)
*
|
1960-10-17 |
1964-06-30 |
Honeywell Regulator Co |
Voltage monitoring circuit
|
US3161836A
(en)
*
|
1960-11-03 |
1964-12-15 |
Ledex Inc |
Pulsing circuit
|
US3157870A
(en)
*
|
1961-05-09 |
1964-11-17 |
Marquette Corp |
Method and means of voltage testing
|
BE620569A
(en)
*
|
1961-07-25 |
|
|
|
US3202876A
(en)
*
|
1961-08-01 |
1965-08-24 |
Gen Electric |
Electric supervising means
|
DE1192249B
(en)
*
|
1961-09-27 |
1965-05-06 |
Ceskoslovenska Akademie Ved |
Delay element
|
US3139588A
(en)
*
|
1962-02-20 |
1964-06-30 |
Space Technology Lab Inc |
Variable time delay generator utilizing switch means and plural resonating elements
|
US3213349A
(en)
*
|
1962-04-18 |
1965-10-19 |
Gen Electric |
Protective control circuits
|
US3159753A
(en)
*
|
1962-06-05 |
1964-12-01 |
Bell Telephone Labor Inc |
Gate circuit having phase shift and storage means effecting energization during a range of values
|
DE1156850B
(en)
*
|
1962-07-13 |
1963-11-07 |
Schaltbau Gmbh |
Delay circuit for switching transistor
|
US3204130A
(en)
*
|
1962-10-01 |
1965-08-31 |
Thompson Ramo Wooldridge Inc |
Fast acting time delay utilizing regeneratively coupled transistors
|
US3390387A
(en)
*
|
1963-02-21 |
1968-06-25 |
Philips Corp |
Fail-safe monitor alarm circuit
|
US3346779A
(en)
*
|
1963-05-17 |
1967-10-10 |
George W Enk |
Electrical timing apparatus
|
DE1191857B
(en)
*
|
1963-07-08 |
1965-04-29 |
Siemens Ag |
Circuit arrangement for the delayed switching on of consumers in electrical circuits of telecommunications systems
|
US3197634A
(en)
*
|
1963-10-30 |
1965-07-27 |
Gen Electric |
Delayed warm-up filament power supply for mass spectrometer with emission current regulation
|
US3199033A
(en)
*
|
1964-08-10 |
1965-08-03 |
Tung Sol Electric Inc |
Condition responsive circuits with plural output of relaxation oscillator balanced
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GB1124492A
(en)
*
|
1965-04-23 |
1968-08-21 |
Reyrolle A & Co Ltd |
Improvements relating to electric timing circuits
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US3628068A
(en)
*
|
1970-06-25 |
1971-12-14 |
Us Navy |
Sequential timing system
|
GB1311342A
(en)
*
|
1970-07-14 |
1973-03-28 |
Plessey Co Ltd |
Electrical plug-in circuit card
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FR2191319B1
(en)
*
|
1972-06-29 |
1976-03-12 |
Radiotechnique Compelec |
|
FR2212948A5
(en)
*
|
1972-12-29 |
1974-07-26 |
Cit Alcatel |
|
US3940664A
(en)
*
|
1974-06-24 |
1976-02-24 |
Westinghouse Electric Corporation |
Multi-phase voltage sensing switching device
|
US4551643A
(en)
*
|
1983-10-24 |
1985-11-05 |
Rca Corporation |
Power switching circuitry
|
US4652769A
(en)
*
|
1984-02-14 |
1987-03-24 |
Ion Tech, Inc. |
Module power supply
|