US3292012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low offset voltage logic gate
Assignee: Texas Instruments Inc
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Filing: 1964-05-22
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Granted: 1966-12-13
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Expires: 1984-05-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles R Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:27
CPC Classifications
H; H10; H10D; H10D84/00; H10D84/60; H10D84/611; H10D84/613; H10D84/615; H03; H03K; H03K19/00; H03K19/02; H03K19/08; H03K19/082; H03K19/086
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A LOGIC GATE CIRCUIT, COMPRISING: (A) AN INPUT TRANSISTOR OF ONE TYPE, THE EMITTER OF WHICH IS CONNECTED THROUGH A FIRST IMPEDANCE TO A VOLTAGE SUPPLY, THE COLLECTOR OF WHICH IS CONNECTED TO GROUND, AND THE BASE OF WHICH IS CONNECTED TO AN INPUT TERMINAL, (B) AN OUTPUT TRANSISTOR OF THE COMPLEMENTARY TYPE, THE COLLECTOR OF WHICH IS CONNECTED TO SAID VOLTAGE SUPPLY, THE BASE OF WHICH IS CONNECTED TO THE EMITTER OF THE SAID INPUT TRANSISTOR, AND THE EMITTER OF WHICH IS CONNECTED TO AN OUTPUT TERMINAL, (C) MEANS FOR APPLYING A VOLTAGE AT THE SAID INPUT TERMINAL, (D) A SECOND IMPEDANCE DISPOSED BETWEEN THE EMITTER OF THE SAID INPUT TRANSISTOR AND THE BASE OF THE SAID OUTPUT TRANSISTOR FOR PRODUCING AN IR DROP THEREBETWEEN, AND
Claim 2
Dependent Claim
127 words
A LOGIC GATE CIRCUIT, COMPRISING: (A) AN INPUT TRANSISTOR OF ONE TYPE, THE EMITTER OF WHICH IS CONNECTED THROUGH A FIRST IMPEDANCE TO A VOLTAGE SUPPLY, THE COLLECTOR OF WHICH IS CONNECTED TO GROUND, AND THE BASE OF WHICH IS CONNECTED TO AN INPUT TERMINAL, (B) AN OUTPUT TRANSISTOR OF THE COMPLEMENTARY TYPE, THE COLLECTOR OF WHICH IS CONNECTED TO SAID VOLTAGE SUPPLY, THE BASE OF WHICH IS CONNECTED TO THE EMITTER OF THE SAID INPUT TRANSISTOR, AND THE EMITTER OF WHICH IS CONNECTED TO AN OUTPUT TERMINAL, (C) MEANS FOR APPLYING A VOLTAGE AT THE SAID INPUT TERMINAL, (D) A SECOND IMPEDANCE DISPOSED BETWEEN THE EMITTER OF THE SAID INPUT TRANSISTOR AND THE BASE OF THE SAID OUTPUT TRANSISTOR FOR PRODUCING AN IR DROP THEREBETWEEN, AND
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |