US3109943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature and gain insensitive bistable transistor trigger circuit
Assignee: Barnes Engineering Co
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Filing: 1960-12-02
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Granted: 1963-11-05
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Expires: 1980-12-02
Abstract
No abstract record available.
Inventors
- 👤 Monty M Merlen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:54
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/286; H03K3/2893
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A TRANSISTOR CIRCUIT COMPRISING IN COMBINATION, (A) AN INPUT TRANSISTOR, INPUT MEANS CONNECTING TO THE BASE THEREOF, AND AN OUTPUT TRANSISTOR, (B) THE INPUT TRANSISTOR HAVING A COLLECTOR RESISTOR AND AN EMITTER RESISTOR, (C) COLLECTOR SUPPLY VOLTAGES FOR SAID TRANSISTORS THE SUPPLY VOLTAGE FOR THE OUTPUT TRANSISTOR BEING DIRECTLY CONNECTED TO THE COLLECTOR THEREOF AND THE SUPPLY VOLTAGE FOR THE INPUT TRANSISTOR BEING CONNECTED TO THE COLLECTOR RESISTOR, (D) A RESISTOR CONNECTING THE EMITTERS OF THE TWO TRANSISTORS, (E) MEANS FOR DIRECTLY COUPLING THE COLLECTOR OF THE INPUT TRANSISTOR TO THE BASE OF THE OUTPUT TRANSISTOR, AND (F) OUTPUT MEANS CONNECTED IN THE EMITTER CIRCUIT OF THE OUTPUT TRANSISTOR.
Claim 2
Dependent Claim
109 words
A TRANSISTOR CIRCUIT COMPRISING IN COMBINATION, (A) AN INPUT TRANSISTOR, INPUT MEANS CONNECTING TO THE BASE THEREOF, AND AN OUTPUT TRANSISTOR, (B) THE INPUT TRANSISTOR HAVING A COLLECTOR RESISTOR AND AN EMITTER RESISTOR, (C) COLLECTOR SUPPLY VOLTAGES FOR SAID TRANSISTORS THE SUPPLY VOLTAGE FOR THE OUTPUT TRANSISTOR BEING DIRECTLY CONNECTED TO THE COLLECTOR THEREOF AND THE SUPPLY VOLTAGE FOR THE INPUT TRANSISTOR BEING CONNECTED TO THE COLLECTOR RESISTOR, (D) A RESISTOR CONNECTING THE EMITTERS OF THE TWO TRANSISTORS, (E) MEANS FOR DIRECTLY COUPLING THE COLLECTOR OF THE INPUT TRANSISTOR TO THE BASE OF THE OUTPUT TRANSISTOR, AND (F) OUTPUT MEANS CONNECTED IN THE EMITTER CIRCUIT OF THE OUTPUT TRANSISTOR.
References Cited (Backward Citations)
US2789217A
Cited
US2986650A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |