Patent US3108199A successfully refreshed from Google Patents.
US3108199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Series combination of matched tunnel diode pair, pulse delay means and push-pull power supply
Assignee: International Business Machines Corp
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Filing: 1961-12-28
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Granted: 1963-10-22
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Expires: 1981-12-28
Abstract
No abstract record available.
Inventors
- 👤 Arnold S Farber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:40
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K19/08; H03K19/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A LOGIC CIRCUIT COMPRISING: (A) A PAIR OF TUNNEL DIODES CONNECTED IN SERIES RELATIONSHIP AND ORIENTED SO THAT THE FORWARD DIRECTION OF CURRENT FLOW IS IN THE SAME DIRECTION, (B) A SOURCE OF ELECTRICAL ENERGY, (C) A PAIR OF MEANS FOR DELAYING REFLECTING AND INVERTING PULSES OF ELECTRICAL ENERGY GENERATED BY THE SWITCHING OF SAID TUNNEL DIODES AND (D) MEANS FOR INTERCONNECTING SAID DIODES, SAID ENERGY SOURCE AND SAID PAIR OF PULSE DELAY MEANS, EACH OF SAID DELAY MEANS BEING CONNECTED BETWEEN SAID SOURCE OF ELECTRICAL ENERGY AND A DIFFERENT ONE OF SAID DIODES.
Claim 2
Dependent Claim
94 words
A LOGIC CIRCUIT COMPRISING: (A) A PAIR OF TUNNEL DIODES CONNECTED IN SERIES RELATIONSHIP AND ORIENTED SO THAT THE FORWARD DIRECTION OF CURRENT FLOW IS IN THE SAME DIRECTION, (B) A SOURCE OF ELECTRICAL ENERGY, (C) A PAIR OF MEANS FOR DELAYING REFLECTING AND INVERTING PULSES OF ELECTRICAL ENERGY GENERATED BY THE SWITCHING OF SAID TUNNEL DIODES AND (D) MEANS FOR INTERCONNECTING SAID DIODES, SAID ENERGY SOURCE AND SAID PAIR OF PULSE DELAY MEANS, EACH OF SAID DELAY MEANS BEING CONNECTED BETWEEN SAID SOURCE OF ELECTRICAL ENERGY AND A DIFFERENT ONE OF SAID DIODES.
References Cited (Backward Citations)
US3056048A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |