Patent US3747749A successfully refreshed from Google Patents.
Patent US3175102A successfully refreshed from Google Patents.
US3175102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse-storage devices with automatic series read-out
Assignee: International Standard Electric Corp
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Filing: 1962-11-01
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Granted: 1965-03-23
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Expires: 1982-11-01
Abstract
No abstract record available.
Inventors
- 👤 Ulrich Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:00
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/34; G11C11/36; G11C11/38; H; H03; H03K; H03K17/00; H03K17/28; H03K17/51; H03K17/56; H03K17/58; H03K23/00; H03K23/002; H03K23/80; H03K3/00; H03K3/02; H03K3/313; H03K3/315; H03M; H03M1/00; H04; H04M; H04M3/00; H04M3/08; H04M3/12; H03M1/06; H03M1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A PULSE STORAGE MEANS COMPRISING A PLURALITY OF TUNNEL DIODES SERIALLY CONNECTED, EACH OF SAID DIODES HAVING A FIRST AND A SECOND VOLTAGE CONDITION AND EACH OF SAID DIODES CHANGING FROM SAID FIRST TO SAID SECOND VOLTAGE CONDITION RESPONSIVE TO DIFFERENT VALUES OF CURRENT PASSING THROUGH SAID DIODES, WRITE-IN MEANS COMPRISING BISTABLE MULTIVIBRATOR MEANS OPERATED RESPONSIVE TO EACH OF A PLURALITY OF INPUT PULSES FOR VARYING SAID CURRENT, ONE OF SAID DIODES CHANGING FROM SAID FIRST TO SAID SECOND VOLTAGE CONDITION RESPONSIVE TO EACH INPUT PULSE THEREBY STORING SAID INPUT PULSES, READ-OUT MEANS COMPRISING MEANS FOR CONVERTING SAID BISTABLE MULTIVIBRATOR MEANS TO MONOSTABLE MULITIVIBRATOR MEANS AND MEANS RESPONSIVE TO SAID CONVERSION FOR SEQUENTIALLY CHANGING EACH OF SAID DIODES THAT ARE IN SAID FIRST VOLTAGE CONDITION TO ITS SAID SECOND VOLTAGE CONDITION.
Claim 2
Dependent Claim
131 words
A PULSE STORAGE MEANS COMPRISING A PLURALITY OF TUNNEL DIODES SERIALLY CONNECTED, EACH OF SAID DIODES HAVING A FIRST AND A SECOND VOLTAGE CONDITION AND EACH OF SAID DIODES CHANGING FROM SAID FIRST TO SAID SECOND VOLTAGE CONDITION RESPONSIVE TO DIFFERENT VALUES OF CURRENT PASSING THROUGH SAID DIODES, WRITE-IN MEANS COMPRISING BISTABLE MULTIVIBRATOR MEANS OPERATED RESPONSIVE TO EACH OF A PLURALITY OF INPUT PULSES FOR VARYING SAID CURRENT, ONE OF SAID DIODES CHANGING FROM SAID FIRST TO SAID SECOND VOLTAGE CONDITION RESPONSIVE TO EACH INPUT PULSE THEREBY STORING SAID INPUT PULSES, READ-OUT MEANS COMPRISING MEANS FOR CONVERTING SAID BISTABLE MULTIVIBRATOR MEANS TO MONOSTABLE MULITIVIBRATOR MEANS AND MEANS RESPONSIVE TO SAID CONVERSION FOR SEQUENTIALLY CHANGING EACH OF SAID DIODES THAT ARE IN SAID FIRST VOLTAGE CONDITION TO ITS SAID SECOND VOLTAGE CONDITION.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |