Patent US3103646A successfully refreshed from Google Patents.
US3103646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage comparison circuit
Assignee: Unisys Corp
•
Filing: 1959-01-29
•
Granted: 1963-09-10
•
Expires: 1979-01-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Isaac M Sheaffer
- 👤 Seif Eric
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:47
CPC Classifications
G; G06; G06V; G06V30/00; G06V30/10; G06V30/22; G06V30/224; G06V30/2253
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
198 words
A VOLTAGE COMPARISON CIRCUIT FOR COMPARING A PLURALITY OF VOLTAGE SIGNALS AND DETECTING EACH OF SAID VOLTAGE SIGNALS WHOSE VALVE IS GREATER THAN A PREDETERMINED PERCENTAGE OF THE HIGHEST VOLTAGE SIGNAL COMPARED, COMPRISING, A PLURALITY OF VOLTAGE SIGNAL SOURCES PROVIDING SIGNALS TO BE COMPARED, SIGNAL MIXER MEANS HAVING A PLURALITY OF INPUT MEANS, EACH OF SAID INPUT MEANS COUPLED RESPECTIVELY TO AN ASSOCIATED ONE OF SAID PLURALITY OF VOLTAGE SIGNAL SOURCES, AMPLIFIER MEANS PROVIDING AN OUTPUT SIGNAL WHICH IS A FIXED AMPLIFICATION OF AN INPUT SIGNAL APPLIED THERETO, SAID AMPLIFIER MEANS COUPLED TO ACCEPT SAID MIXING MEANS OUTPUT SIGNAL AND PROVIDE SAID FIXED AMPLIFICATION THEREOF, FEEDBACK CIRCUITRY MEANS COUPLED BETWEEN SAID AMPLIFIER OUTPUT AND EACH OF SAID INPUT MEANS, SAID FEEDBACK CIRCUITRY IN CONJUNCTION WITH SAID AMPLIFIER OUTPUT SIGNAL AND THE RESPECTIVE VOLTAGE SIGNAL SOURCES PROVIDING RESPECTIVELY AT EACH OF SAID INPUT MEANS A SUMMATION SIGNAL, EACH OF SAID VOLTAGE SIGNAL SOURCES WHOSE VALUE IS GREATER THAN A PREDETERMINED PERCENTAGE OF THE HIGHEST VOLTAGE SIGNAL COMPARED CAUSING AN INDICATIVE SUMMATION SIGNAL TO APPEAR AT ITS ASSOCIATED INPUT MEANS, AND UTILITY MEANS COUPLED TO EACH OF SAID MIXER INPUT MEANS TO BE RESPONSIVE TO AN INDICATIVE SUMMATION SIGNAL THEREAT.
Claim 2
Dependent Claim
198 words
A VOLTAGE COMPARISON CIRCUIT FOR COMPARING A PLURALITY OF VOLTAGE SIGNALS AND DETECTING EACH OF SAID VOLTAGE SIGNALS WHOSE VALVE IS GREATER THAN A PREDETERMINED PERCENTAGE OF THE HIGHEST VOLTAGE SIGNAL COMPARED, COMPRISING, A PLURALITY OF VOLTAGE SIGNAL SOURCES PROVIDING SIGNALS TO BE COMPARED, SIGNAL MIXER MEANS HAVING A PLURALITY OF INPUT MEANS, EACH OF SAID INPUT MEANS COUPLED RESPECTIVELY TO AN ASSOCIATED ONE OF SAID PLURALITY OF VOLTAGE SIGNAL SOURCES, AMPLIFIER MEANS PROVIDING AN OUTPUT SIGNAL WHICH IS A FIXED AMPLIFICATION OF AN INPUT SIGNAL APPLIED THERETO, SAID AMPLIFIER MEANS COUPLED TO ACCEPT SAID MIXING MEANS OUTPUT SIGNAL AND PROVIDE SAID FIXED AMPLIFICATION THEREOF, FEEDBACK CIRCUITRY MEANS COUPLED BETWEEN SAID AMPLIFIER OUTPUT AND EACH OF SAID INPUT MEANS, SAID FEEDBACK CIRCUITRY IN CONJUNCTION WITH SAID AMPLIFIER OUTPUT SIGNAL AND THE RESPECTIVE VOLTAGE SIGNAL SOURCES PROVIDING RESPECTIVELY AT EACH OF SAID INPUT MEANS A SUMMATION SIGNAL, EACH OF SAID VOLTAGE SIGNAL SOURCES WHOSE VALUE IS GREATER THAN A PREDETERMINED PERCENTAGE OF THE HIGHEST VOLTAGE SIGNAL COMPARED CAUSING AN INDICATIVE SUMMATION SIGNAL TO APPEAR AT ITS ASSOCIATED INPUT MEANS, AND UTILITY MEANS COUPLED TO EACH OF SAID MIXER INPUT MEANS TO BE RESPONSIVE TO AN INDICATIVE SUMMATION SIGNAL THEREAT.
References Cited (Backward Citations)
US2860241A
Cited
GB785853A
Cited
US2819397A
Cited
US2922116A
Cited
US2924812A
Cited
US2966672A
Cited
US2927303A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |