US3237186A
Expired / Lapsed
US
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Assignee: North Electric Co
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Filing: 1962-02-02
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Granted: 1966-02-22
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Expires: 1982-02-02
Abstract
No abstract record available.
Inventors
- 👤 Gordon E Whelpley
- 👤 Carl J Bartoseski
- 👤 Lemuel R Breese
- 👤 Glenber L Hinkle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:49
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/124
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
IN AN ANALOG TO DIGITAL CONVERTER UNIT, AN INPUT CIRCUIT FOR PROVIDING AN ANALOG SIGNAL REPRESENTATIVE OF A CHANGING QUANTITY, DETECTOR MEANS OPERATIVE TO PROVIDE SIGNALS RESPONSIVE TO EACH PREDETERMINED INCREMENT OF CHANGE IN THE VALUE OF THE RECEIVED ANALOG SIGNAL, MEANS INCLUDING A COUNTING CHAIN MEANS CONTROLLED BY SAID SIGNALS FROM SAID DETECTOR MEANS TO PROVIDE A DIGITAL OUTPUT WHICH IS REPRESENTATIVE OF THE RECEIVED ANALOG SIGNAL, A READOUT CIRCUIT FOR TRANSMITTING SAID DIGITAL OUTPUT TO ASSOCIATED EQUIPMENT, DEVIATION MEANS INCLUDING ENABLING MEANS OPERABLE TO ENABLE SAID READOUT CIRCUIT TO TRANSMIT THE DIGITAL OUTPUT ONLY RESPONSIVE TO THE OCCURRENCE OF A PLURALITY OF INCREMENTS OF CHANGE OF SAID COUNTING CHAIN MEANS OF A PREDETERMINED TOTAL NET VALUE IN ONE DIRECTION FROM ITS PREVIOUS READOUT POSITION, AND INHIBITOR MEANS CONTROLLED BY SAID ENABLING MEANS TO INTERRUPT THE OPERATION OF THE DETECTOR MEANS DURING THE PERIOD OF EACH READOUT.
Claim 2
Dependent Claim
148 words
IN AN ANALOG TO DIGITAL CONVERTER UNIT, AN INPUT CIRCUIT FOR PROVIDING AN ANALOG SIGNAL REPRESENTATIVE OF A CHANGING QUANTITY, DETECTOR MEANS OPERATIVE TO PROVIDE SIGNALS RESPONSIVE TO EACH PREDETERMINED INCREMENT OF CHANGE IN THE VALUE OF THE RECEIVED ANALOG SIGNAL, MEANS INCLUDING A COUNTING CHAIN MEANS CONTROLLED BY SAID SIGNALS FROM SAID DETECTOR MEANS TO PROVIDE A DIGITAL OUTPUT WHICH IS REPRESENTATIVE OF THE RECEIVED ANALOG SIGNAL, A READOUT CIRCUIT FOR TRANSMITTING SAID DIGITAL OUTPUT TO ASSOCIATED EQUIPMENT, DEVIATION MEANS INCLUDING ENABLING MEANS OPERABLE TO ENABLE SAID READOUT CIRCUIT TO TRANSMIT THE DIGITAL OUTPUT ONLY RESPONSIVE TO THE OCCURRENCE OF A PLURALITY OF INCREMENTS OF CHANGE OF SAID COUNTING CHAIN MEANS OF A PREDETERMINED TOTAL NET VALUE IN ONE DIRECTION FROM ITS PREVIOUS READOUT POSITION, AND INHIBITOR MEANS CONTROLLED BY SAID ENABLING MEANS TO INTERRUPT THE OPERATION OF THE DETECTOR MEANS DURING THE PERIOD OF EACH READOUT.
References Cited (Backward Citations)
US2539623A
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US2896198A
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US2940071A
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US3023371A
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US3124794A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |