US3105159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse circuits
Assignee: RCA Corp
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Filing: 1961-08-16
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Granted: 1963-09-24
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Expires: 1981-08-16
Abstract
No abstract record available.
Inventors
- 👤 Ditkofsky Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:12
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/58; H03K17/04; H03K17/042; H03K17/0422; H03K19/00; H03K19/01; H03K19/013; H03K19/02; H03K19/08; H03K19/082; H03K19/084
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A CIRCUIT COMPRISING: A TRANSISTOR HAVING A BASE, AN EMITTER AND A COLLECTOR; MEANS FOR APPLYING OPERATING POTENTIAL BETWEEN SAID EMITTER AND SAID COLLECTOR; AND A TUNNEL RECTIFIER CONNECTED BETWEEN SAID BASE AND SAID COLLECTOR AND POLED TO PASS CURRENT IN THE DIRECTION OF EASY CURRENT FLOW WHEN THE VOLTAGE AT SAID BASE HAS A POLARITY AND MAGNITUDE TENDING TO DRIVE SAID TRANSISTOR INTO SATURATION.
Claim 2
Dependent Claim
65 words
A CIRCUIT COMPRISING: A TRANSISTOR HAVING A BASE, AN EMITTER AND A COLLECTOR; MEANS FOR APPLYING OPERATING POTENTIAL BETWEEN SAID EMITTER AND SAID COLLECTOR; AND A TUNNEL RECTIFIER CONNECTED BETWEEN SAID BASE AND SAID COLLECTOR AND POLED TO PASS CURRENT IN THE DIRECTION OF EASY CURRENT FLOW WHEN THE VOLTAGE AT SAID BASE HAS A POLARITY AND MAGNITUDE TENDING TO DRIVE SAID TRANSISTOR INTO SATURATION.
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) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |