US3359552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Analog to digital convertor system
Assignee: Westinghouse Electric Corp
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Filing: 1964-05-19
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Granted: 1967-12-19
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Expires: 1984-05-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles P Holt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:21
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
AN ANALOG-TO-DIGITAL CONVERTER COMPRISING COMPARATOR MEANS, MONOSTABLE MULTIVIBRATOR MEANS HAVING ITS INPUT CONNECTED TO SAID COMPARATOR AND ADAPTED TO BE TRIGGERED BY SIGNALS THEREFROM, A COUNTER HAVING A PLURALITY OF BISTABLE MULTIVIBRATOR COUNTER STAGES, MEANS FOR SUPPLYING SYNCHRONOUSLY CLOCK PULSES TO SAID COMPARATOR AND TO THE FIRST OF SAID STAGES OF SAID COUNTER, LOGIC STEERING GATES OPERABLY CONNECTED TO THE OUTPUTS OF SAID STAGES AND TO SAID MONOSTABLE MULTIVIBRATOR MEANS, SAID GATES BEING RESPONSIVE TO SIGNALS ONLY FROM SAID COUNTER STAGES TO CAUSE SAID COUNTER TO COUNT IN ONE DIRECTION AND RESPONSIVE TO SIMULTANEOUS SIGNALS FROM SAID MONOSTABLE MULTIVIBRATOR MEANS AND SAID COUNTER STAGES TO COUNT IN THE OPPOSITE DIRECTION.
Claim 2
Dependent Claim
110 words
AN ANALOG-TO-DIGITAL CONVERTER COMPRISING COMPARATOR MEANS, MONOSTABLE MULTIVIBRATOR MEANS HAVING ITS INPUT CONNECTED TO SAID COMPARATOR AND ADAPTED TO BE TRIGGERED BY SIGNALS THEREFROM, A COUNTER HAVING A PLURALITY OF BISTABLE MULTIVIBRATOR COUNTER STAGES, MEANS FOR SUPPLYING SYNCHRONOUSLY CLOCK PULSES TO SAID COMPARATOR AND TO THE FIRST OF SAID STAGES OF SAID COUNTER, LOGIC STEERING GATES OPERABLY CONNECTED TO THE OUTPUTS OF SAID STAGES AND TO SAID MONOSTABLE MULTIVIBRATOR MEANS, SAID GATES BEING RESPONSIVE TO SIGNALS ONLY FROM SAID COUNTER STAGES TO CAUSE SAID COUNTER TO COUNT IN ONE DIRECTION AND RESPONSIVE TO SIMULTANEOUS SIGNALS FROM SAID MONOSTABLE MULTIVIBRATOR MEANS AND SAID COUNTER STAGES TO COUNT IN THE OPPOSITE DIRECTION.
References Cited (Backward Citations)
US2715678A
Cited
US3017093A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |