US3295126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical apparatus
Assignee: Honeywell Inc
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Filing: 1963-10-22
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Granted: 1966-12-27
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Expires: 1983-10-22
Abstract
No abstract record available.
Inventors
- 👤 Richard J Spady
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:37
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/1205
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
218 words
AN ANALOG TO DIGITAL CONVERTER COMPRISING A PLURALITY OF BIDIRECTIONAL COUNTING MEANS CONNECTED IN SERIES TO FORM INCREASING DECADE STEPS WHEREBY A COMPLETION OF A COUNT IN EITHER DIRECTION IN ONE OF SAID COUNTING MEANS IS EFFECTIVE TO TRANSFER A COUNT SIGNAL TO A SUCCEEDING ADJACENT ONE OF SAID COUNTING MEANS, SAID COUNTING MEANS EACH INCLUDING SELECTIVELY RESPONSIVE CONTORL MEANS OPERATIVE TO DETERMINED THE DIRECTION OF A COUNT IN THE RESPECTIVE ONES OF SAID COUNTING MEANS, REFERENCE SIGNAL SUPPLY MEANS CONTROLLED BY SAID COUNTING MEANS AND OPERATIVE TO SUPPLY A PLURALITY OF WEIGHTED STEPS IN THE MAGNITUDE OF A REFERENCE SIGNAL IN RESPONSE TO A COUNT IN A CORRESPONDING ONE OF SAID COUNTING MEANS, SIGNAL COMPARING MEANS OPERATIVE TO COMPARE THE REFERENCE SIGNAL WITH AN UNKNOWN SIGNAL TO BE DIGITIZED TO PROVIDE A DIFFERENCE SIGNAL HAVING A MAGNITUDE REPRESENTATIVE OF THE DIFFERENCE BETWEEN SAID REFERENCE SIGNAL AND SAID UNKNOWN SIGNAL AND A POLARITY REPRESENTATIVE OF THE DIRECTION OF SAID DIFFERENCE, POLARITY DISCRIMINATING MEANS RESPONSIVE TO SAID DIFFERENCE SIGNAL TO PROVIDE A CONTROL SIGNAL INDICATIVE OF SAID POLARITY, MEANS CONNECTING SAID CONTROL SIGNAL TO ALL OF SAID CONTROL MEANS TO DETERMINE THE DIRECTION OF THE COUNT IN SAID COUNTING MEANS, AND OSCILLATOR MEANS CONNECTED TO THE FIRST ONE OF SAID COUNTING MEANS TO PROVIDE SIGNALS TO BE COUNTED THEREBY.
Claim 2
Dependent Claim
218 words
AN ANALOG TO DIGITAL CONVERTER COMPRISING A PLURALITY OF BIDIRECTIONAL COUNTING MEANS CONNECTED IN SERIES TO FORM INCREASING DECADE STEPS WHEREBY A COMPLETION OF A COUNT IN EITHER DIRECTION IN ONE OF SAID COUNTING MEANS IS EFFECTIVE TO TRANSFER A COUNT SIGNAL TO A SUCCEEDING ADJACENT ONE OF SAID COUNTING MEANS, SAID COUNTING MEANS EACH INCLUDING SELECTIVELY RESPONSIVE CONTORL MEANS OPERATIVE TO DETERMINED THE DIRECTION OF A COUNT IN THE RESPECTIVE ONES OF SAID COUNTING MEANS, REFERENCE SIGNAL SUPPLY MEANS CONTROLLED BY SAID COUNTING MEANS AND OPERATIVE TO SUPPLY A PLURALITY OF WEIGHTED STEPS IN THE MAGNITUDE OF A REFERENCE SIGNAL IN RESPONSE TO A COUNT IN A CORRESPONDING ONE OF SAID COUNTING MEANS, SIGNAL COMPARING MEANS OPERATIVE TO COMPARE THE REFERENCE SIGNAL WITH AN UNKNOWN SIGNAL TO BE DIGITIZED TO PROVIDE A DIFFERENCE SIGNAL HAVING A MAGNITUDE REPRESENTATIVE OF THE DIFFERENCE BETWEEN SAID REFERENCE SIGNAL AND SAID UNKNOWN SIGNAL AND A POLARITY REPRESENTATIVE OF THE DIRECTION OF SAID DIFFERENCE, POLARITY DISCRIMINATING MEANS RESPONSIVE TO SAID DIFFERENCE SIGNAL TO PROVIDE A CONTROL SIGNAL INDICATIVE OF SAID POLARITY, MEANS CONNECTING SAID CONTROL SIGNAL TO ALL OF SAID CONTROL MEANS TO DETERMINE THE DIRECTION OF THE COUNT IN SAID COUNTING MEANS, AND OSCILLATOR MEANS CONNECTED TO THE FIRST ONE OF SAID COUNTING MEANS TO PROVIDE SIGNALS TO BE COUNTED THEREBY.
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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |