US3193702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for controlling bistable transistor trigger circuits
Assignee: US Philips Corp
•
Filing: 1962-04-26
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Granted: 1965-07-06
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Expires: 1982-04-26
Abstract
No abstract record available.
Inventors
- 👤 Claessen Wilhelmus Huber Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:35
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/01; H03K3/012
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A CONTROL CIRCUIT FOR A BISTABLE TRIGGER COMPRISING: A BISTABLE TRIGGER CIRCUIT HAVING TWO TRANSISTORS, EACH OF SAID TRANSISTORS HAVING BASE, EMITTER AND COLLECTOR ELECTRODES, THE BASE AND COLLECTOR ELECTRODES OF SAID TWO TRANSISTORS BEING CROSS-COUPLED, A SOURCE OF SUPPLY VOLTAGE, TWO SEMI-CONDOCTOR DIODES EACH BEING CONNECTED IN THE FORWARD DIRECTION BETWEEN THE EMITTER ELECTRODE OF ONE OF SAID TRANSISTORS AND A COMMON POINT, A RESISTOR CONNECTED BETWEEN SAID COMMON POINT, AND A TERMINAL OF SAID SOURCE HAVING A POTENTIAL WHICH IS FORWARD DIRECTED WITH RESPECT TO SAID DIODES AND EMITTER ELECTRODES, EACH DIODE HAVING A RECOVERY TIME, TWO CAPACITORS EACH BEING CONNECTED BETWEEN THE JUNCTION POINT OF THE EMITTER ELECTRODE OF ONE OF SAID TRANSISTORS AND ITS ASSOCITATED DIODE AND A POINT OF CONSTANT POTENTIAL, AND A SOURCE OF INPUT CONTROL VOLTAGE PULSES COUPLED ACROSS SAID RESISTOR THROUGH A THIRD CA-
Claim 2
Dependent Claim
142 words
A CONTROL CIRCUIT FOR A BISTABLE TRIGGER COMPRISING: A BISTABLE TRIGGER CIRCUIT HAVING TWO TRANSISTORS, EACH OF SAID TRANSISTORS HAVING BASE, EMITTER AND COLLECTOR ELECTRODES, THE BASE AND COLLECTOR ELECTRODES OF SAID TWO TRANSISTORS BEING CROSS-COUPLED, A SOURCE OF SUPPLY VOLTAGE, TWO SEMI-CONDOCTOR DIODES EACH BEING CONNECTED IN THE FORWARD DIRECTION BETWEEN THE EMITTER ELECTRODE OF ONE OF SAID TRANSISTORS AND A COMMON POINT, A RESISTOR CONNECTED BETWEEN SAID COMMON POINT, AND A TERMINAL OF SAID SOURCE HAVING A POTENTIAL WHICH IS FORWARD DIRECTED WITH RESPECT TO SAID DIODES AND EMITTER ELECTRODES, EACH DIODE HAVING A RECOVERY TIME, TWO CAPACITORS EACH BEING CONNECTED BETWEEN THE JUNCTION POINT OF THE EMITTER ELECTRODE OF ONE OF SAID TRANSISTORS AND ITS ASSOCITATED DIODE AND A POINT OF CONSTANT POTENTIAL, AND A SOURCE OF INPUT CONTROL VOLTAGE PULSES COUPLED ACROSS SAID RESISTOR THROUGH A THIRD CA-
References Cited (Backward Citations)
US2921192A
Cited
US3076105A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |