Patent US3150273A successfully refreshed from Google Patents.
US3150273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Binary trigger circuit employing tunnel diode device
Assignee: International Business Machines Corp
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Filing: 1961-06-28
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Granted: 1964-09-22
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Expires: 1981-06-28
Abstract
No abstract record available.
Inventors
- 👤 Dym Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:13
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/313; H03K3/315
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
IN A BINARY TRIGGER CIRCUIT, THE COMBINATION OF A DEVICE EXHIBITING A QUANTUM MECHANICAL TUNNELING PHENOMENON AND A NEGATIVE RESISTANCE OUTPUT CHARACTERISTIC BIASED FOR BISTABLE OPERATION, A SWITCHING ELEMENT EXHIBITING CONDUCTIVE AND NONCONDUCTIVE OPERATING STATES AND A DELAY RESPONSE CHARACTERISTIC, FIRST MEANS INTERCOUPLING SAID SWITCHING ELEMENT AND SAID DEVICE FOR DEPENDENTLY RELATING THE OPERATING STATE OF SAID SWITCHING ELEMENT TO THE STABLE STATE OF SAID DEVICE, SECOND MEANS CONNECTING SAID SWITCHING ELEMENT BACK TO SAID DEVICE IN A FEEDBACK RELATIONSHIP FOR PRELATING THE STABLE STATE OF SAID DEVICE TO THE OPERATING STATE OF SAID SWITCHING ELEMENT, AND INPUT MEANS CONNECTED TO SAID FIRST MEANS FOR APPLYING SUCCESSIVE IMPULSES OF SIMILAR POLARITY AND MAGNITUDE TO SAID DEVICE AND TO SAID SWITCHING ELEMENT, SAID IMPULSES BEING OF SHORTER TIME DURATION THEN THE DELAY RESPONSE CHARACTERISTIC OF SAID SWITCHING ELEMENT WHEREBY SAID DEVICE IS ALTERNATELY SWITCHED FROM ONE STABLE STATE TO ANOTHER.
Claim 2
Dependent Claim
149 words
IN A BINARY TRIGGER CIRCUIT, THE COMBINATION OF A DEVICE EXHIBITING A QUANTUM MECHANICAL TUNNELING PHENOMENON AND A NEGATIVE RESISTANCE OUTPUT CHARACTERISTIC BIASED FOR BISTABLE OPERATION, A SWITCHING ELEMENT EXHIBITING CONDUCTIVE AND NONCONDUCTIVE OPERATING STATES AND A DELAY RESPONSE CHARACTERISTIC, FIRST MEANS INTERCOUPLING SAID SWITCHING ELEMENT AND SAID DEVICE FOR DEPENDENTLY RELATING THE OPERATING STATE OF SAID SWITCHING ELEMENT TO THE STABLE STATE OF SAID DEVICE, SECOND MEANS CONNECTING SAID SWITCHING ELEMENT BACK TO SAID DEVICE IN A FEEDBACK RELATIONSHIP FOR PRELATING THE STABLE STATE OF SAID DEVICE TO THE OPERATING STATE OF SAID SWITCHING ELEMENT, AND INPUT MEANS CONNECTED TO SAID FIRST MEANS FOR APPLYING SUCCESSIVE IMPULSES OF SIMILAR POLARITY AND MAGNITUDE TO SAID DEVICE AND TO SAID SWITCHING ELEMENT, SAID IMPULSES BEING OF SHORTER TIME DURATION THEN THE DELAY RESPONSE CHARACTERISTIC OF SAID SWITCHING ELEMENT WHEREBY SAID DEVICE IS ALTERNATELY SWITCHED FROM ONE STABLE STATE TO ANOTHER.
References Cited (Backward Citations)
US3102209A
Cited
US3040190A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |