US3202838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal delay circuit
Assignee: Texas Instruments Inc
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Filing: 1962-10-09
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Granted: 1965-08-24
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Expires: 1982-10-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard M Ryon
- 👤 Charles T Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:16
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A CURRENT MODE SIGNAL DELAY CIRCUIT COMPRISING AN INPUT EMITTER-FOLLOWER TRANSISTOR SWITCH, SAID SWITCH INCLUDING A TRANSISTOR HAVING EMITTER, BASE AND COLLECTOR WITH A LOAD IMPEDANCE CONNECTED TO SAID EMITTER, AN OUTPUT GROUNDED-BASE TRANSISTOR SWITCH, HAVING EMITTER, BASE AND COLLECTOR, A DELAY LINE INCLUDING A REFERENCE PLANE AND HAVING ONE END COUPLED TO SAID FIRST-MENTIONED EMITTER AND THE OTHER END COUPLED THROUGH A MATCHING IMPEDANCE TO THE EMITTER OF SAID OUTPUT SWITCH, SAID MATCHING IMPEDANCE AND SAID OUTPUT SWITCH PROVIDING A SUBSTANTIALLY MATCHED TERMINATION FOR SAID OTHER END OF SAID DELAY LINE,
Claim 2
Dependent Claim
92 words
A CURRENT MODE SIGNAL DELAY CIRCUIT COMPRISING AN INPUT EMITTER-FOLLOWER TRANSISTOR SWITCH, SAID SWITCH INCLUDING A TRANSISTOR HAVING EMITTER, BASE AND COLLECTOR WITH A LOAD IMPEDANCE CONNECTED TO SAID EMITTER, AN OUTPUT GROUNDED-BASE TRANSISTOR SWITCH, HAVING EMITTER, BASE AND COLLECTOR, A DELAY LINE INCLUDING A REFERENCE PLANE AND HAVING ONE END COUPLED TO SAID FIRST-MENTIONED EMITTER AND THE OTHER END COUPLED THROUGH A MATCHING IMPEDANCE TO THE EMITTER OF SAID OUTPUT SWITCH, SAID MATCHING IMPEDANCE AND SAID OUTPUT SWITCH PROVIDING A SUBSTANTIALLY MATCHED TERMINATION FOR SAID OTHER END OF SAID DELAY LINE,
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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |