US3349390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nonlinear analog to digital converter
Assignee: Unisys Corp
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Filing: 1964-08-31
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Granted: 1967-10-24
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Expires: 1984-08-31
Abstract
No abstract record available.
Inventors
- 👤 Glassman Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:19
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
IN A VOLTAGE TO PULSE-COUNT CONVERTER HAVING A PULSE TRAIN GENERATOR, A SWITCH RECEIVING PULSES FROM THE OUTPUT OF SAID GENERATOR, AND MEANS TO CLOSE SAID SWITCH FOR A TIME-INTERVAL PROPORTIONAL TO THE VOLTAGE TO BE CONVERTED, THE IMPROVEMENT COMPRISING: MEANS CONNECTED BETWEEN SAID GENERATOR AND SAID SWITCH FOR MODIFYING THE FREQUENCY OF THE PULSE TRAIN FED TO SAID SWITCH IN RESPONSE TO THE RECEPTION BY SAID SWITCH OF EACH OF SEVERALD PRESELECTED NUMBERS OF PULSES.
Claim 2
Dependent Claim
76 words
IN A VOLTAGE TO PULSE-COUNT CONVERTER HAVING A PULSE TRAIN GENERATOR, A SWITCH RECEIVING PULSES FROM THE OUTPUT OF SAID GENERATOR, AND MEANS TO CLOSE SAID SWITCH FOR A TIME-INTERVAL PROPORTIONAL TO THE VOLTAGE TO BE CONVERTED, THE IMPROVEMENT COMPRISING: MEANS CONNECTED BETWEEN SAID GENERATOR AND SAID SWITCH FOR MODIFYING THE FREQUENCY OF THE PULSE TRAIN FED TO SAID SWITCH IN RESPONSE TO THE RECEPTION BY SAID SWITCH OF EACH OF SEVERALD PRESELECTED NUMBERS OF PULSES.
References Cited (Backward Citations)
US3281828A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |