US3430225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Analog information storing device
Assignee: International Standard Electric Corp
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Filing: 1965-04-07
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Granted: 1969-02-25
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Expires: 1985-04-07
Abstract
No abstract record available.
Inventors
- 👤 Michel Louis Avignon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:35
CPC Classifications
H; H04; H04J; H04J3/00; H04J3/18; G; G11; G11C; G11C27/00; G11C27/02; G11C27/024; H03; H03M; H03M1/00; H04B; H04B14/00; H04B14/02; H04B14/04; H04B14/044; H03M1/06; H03M1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
255 words
AN ANALOG INFORMATION STORAGE ARRANGEMENT COMPRISING; AN ANALOG STORAGE MEANS; A SOURCE OF REFERENCE VOLTAGE HAVING A PREDETERMINED VALUE; A SOURCE OF CALIBRATION VOLTAGE HAVING A NOMINAL VALUE EQUAL TO SAID PREDETERMINED VALUE; FIRST MEANS TO COUPLE SAID CALIBRATION VOLTAGE SOURCE TO SAID ANALOG STORAGE MEANS TO STORE SAID CALIBRATION VOLTAGE THEREIN DURING A PREDETERMINED TIME INTERVAL; SECOND MEANS COUPLED TO SAID STORAGE MEANS AND SAID SOURCE OF REFERENCE VOLTAGE TO PRODUCE A FIRST SIGNAL PROPORTIONAL TO THE DIFFERENCE BETWEEN THE VALUE OF SAID STORED CALIBRATION VOLTAGE AND THE VALUE OF SAID REFERENCE VOLTAGE AT THE BEGINNING OF SAID TIME INTERVAL; THIRD MEANS COUPLED TO SAID STORAGE MEANS AND SAID SOURCE OF REFERENCE VOLTAGE TO PRODUCE A SECOND SIGNAL PROPORTIONAL TO THE DIFFERENCE BETWEEN THE VALUE OF SAID STORED CALIBRATION VOLTAGE AND THE VALUE OF SAID REFERENCE VOLTAGE AT THE END OF SAID TIME INTERVAL; FOURTH MEANS COUPLED TO SAID SECOND MEANS AND A GIVEN ONE OF SAID STORAGE MEANS AND SAID SOURCE OF REFERENCE VOLTAGE RESPONSIVE TO SAID FIRST SIGNAL TO MAINTAIN THE DIFFERENCE BETWEEN THE VALUE OF SAID STORED CALIBRATION VOLTAGE AND THE VALUE OF SAID REFERENCE VOLTAGE LESS THAN A FIRST GIVEN VALUE; AND FIFTH MEANS COUPLED T AT LEAST ONE OF SAID SECOND AND THIRD MEANS RESPONSIVE TO AT LEAST ONE OF SAID FIRST AND SECOND SIGNALS TO MAINTAIN THE DIFFERENCE BETWEEN THE VALUE OF SAID STORED CALIBRATION VOLTAGE AND THE VALUE OF SAID REFERENCE VOLTAGE AT THE BEGINNING AND END OF SAID TIME INTERVAL LESS THAN A SECOND GIVEN VALUE.
Claim 2
Dependent Claim
255 words
AN ANALOG INFORMATION STORAGE ARRANGEMENT COMPRISING; AN ANALOG STORAGE MEANS; A SOURCE OF REFERENCE VOLTAGE HAVING A PREDETERMINED VALUE; A SOURCE OF CALIBRATION VOLTAGE HAVING A NOMINAL VALUE EQUAL TO SAID PREDETERMINED VALUE; FIRST MEANS TO COUPLE SAID CALIBRATION VOLTAGE SOURCE TO SAID ANALOG STORAGE MEANS TO STORE SAID CALIBRATION VOLTAGE THEREIN DURING A PREDETERMINED TIME INTERVAL; SECOND MEANS COUPLED TO SAID STORAGE MEANS AND SAID SOURCE OF REFERENCE VOLTAGE TO PRODUCE A FIRST SIGNAL PROPORTIONAL TO THE DIFFERENCE BETWEEN THE VALUE OF SAID STORED CALIBRATION VOLTAGE AND THE VALUE OF SAID REFERENCE VOLTAGE AT THE BEGINNING OF SAID TIME INTERVAL; THIRD MEANS COUPLED TO SAID STORAGE MEANS AND SAID SOURCE OF REFERENCE VOLTAGE TO PRODUCE A SECOND SIGNAL PROPORTIONAL TO THE DIFFERENCE BETWEEN THE VALUE OF SAID STORED CALIBRATION VOLTAGE AND THE VALUE OF SAID REFERENCE VOLTAGE AT THE END OF SAID TIME INTERVAL; FOURTH MEANS COUPLED TO SAID SECOND MEANS AND A GIVEN ONE OF SAID STORAGE MEANS AND SAID SOURCE OF REFERENCE VOLTAGE RESPONSIVE TO SAID FIRST SIGNAL TO MAINTAIN THE DIFFERENCE BETWEEN THE VALUE OF SAID STORED CALIBRATION VOLTAGE AND THE VALUE OF SAID REFERENCE VOLTAGE LESS THAN A FIRST GIVEN VALUE; AND FIFTH MEANS COUPLED T AT LEAST ONE OF SAID SECOND AND THIRD MEANS RESPONSIVE TO AT LEAST ONE OF SAID FIRST AND SECOND SIGNALS TO MAINTAIN THE DIFFERENCE BETWEEN THE VALUE OF SAID STORED CALIBRATION VOLTAGE AND THE VALUE OF SAID REFERENCE VOLTAGE AT THE BEGINNING AND END OF SAID TIME INTERVAL LESS THAN A SECOND GIVEN VALUE.
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) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |