US3099800A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frequency to voltage converting circuit
Assignee: KAUKE AND CO Inc
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Filing: 1961-07-11
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Granted: 1963-07-30
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Expires: 1981-07-11
Abstract
No abstract record available.
Inventors
- 👤 Billy H Vinson
- 👤 Monica Santa
- 👤 Stefanov Boris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:47
CPC Classifications
H; H03; H03D; H03D3/00; H03D3/02; H03D3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A CIRCUIT FOR PROVIDING A D.-C. OUTPUT VOLTAGE LEVEL PROPORTIONAL TO THE FREQUENCY OF AN A.-C. INPUT SIGNAL, COMPRISING, IN COMBINATION: MEANS FOR CONVERTING SAID INPUT SIGNAL INTO A NUMBER OF CONSTANT VOLT-SECOND AREA PULSES PER SECOND PROPORTIONAL TO SAID FREQUENCY; MEANS FOR INTEGRATING SAID PULSES TO PROVIDE SAID D.-C. OUTPUT VOLTAGE LEVEL; MEANS FOR FIXING THE AMPLITUDE OF SAID CONSTANT VOLT-SECOND AREA PULSES; AND MEANS FOR FIXING THE TIME DURATION OF SAID CONSTANT VOLT-SECOND AREA PULSES, SAID LAST-MENTIONED MEANS BEING CONNECTED TO AND CON-
Claim 2
Dependent Claim
85 words
A CIRCUIT FOR PROVIDING A D.-C. OUTPUT VOLTAGE LEVEL PROPORTIONAL TO THE FREQUENCY OF AN A.-C. INPUT SIGNAL, COMPRISING, IN COMBINATION: MEANS FOR CONVERTING SAID INPUT SIGNAL INTO A NUMBER OF CONSTANT VOLT-SECOND AREA PULSES PER SECOND PROPORTIONAL TO SAID FREQUENCY; MEANS FOR INTEGRATING SAID PULSES TO PROVIDE SAID D.-C. OUTPUT VOLTAGE LEVEL; MEANS FOR FIXING THE AMPLITUDE OF SAID CONSTANT VOLT-SECOND AREA PULSES; AND MEANS FOR FIXING THE TIME DURATION OF SAID CONSTANT VOLT-SECOND AREA PULSES, SAID LAST-MENTIONED MEANS BEING CONNECTED TO AND CON-
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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |