Patent US5372182A successfully refreshed from Google Patents.
Patent US3312932A successfully refreshed from Google Patents.
US3312932A
Expired / Lapsed
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Electrical conversion of transient vector signals for recorder application
Assignee: Unisys Corp
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Filing: 1963-10-28
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Granted: 1967-04-04
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Expires: 1983-10-28
Abstract
No abstract record available.
Inventors
- 👤 Barber Beno
- 👤 Kenneth W Gross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:29
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/48; G06G7/78
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
MEANS FOR RECORDING DIRECTION ANGLE SIGNALS OF A TRANSIENT NATURE COMPRISING A CARRIER OSCILLATOR, A DISPLAY DEVICE SYNCHRONIZED WITH SAID OSCILLATOR, A PHASE SHIFTER CONNECTED TO SAID OSCILLATOR, A MODULATOR CONNECTED TO THE OUTPUT OF SAID PHASE SHIFTER, A SECOND MODULATOR CONNECTED TO SAID OSCILLATOR, A SUMMING AMPLIFIER CONNECTED TO THE OUTPUT OF BOTH MODULATORS, MEANS CONNECTED TO SAID AMPLIFIER FOR DETECTING A PRE-SELECTED RELATIVE OUTPUT VALUE THEREOF AND GENERATING A PULSE EACH TIME SAID VALUE IS DETECTED, SAID DISPLAY DEVICE BEING ACTUATED BY SAID GENERATED PULSE, SAID DETECTING AND GENERATING MEANS COMPRISING A 90* PHASE SHIFTER AND ZERO CROSSING DETECTOR CONNECTED TO THE OUTPUT OF SAID 90* PHASE SHIFTER AN "AND" GATE CONNECTED TO THE OUTPUT OF SAID ZERO CROSSING DETECTOR AND A SIGNAL THRESHOLD TRIGGER IS CONNECTED BETWEEN SAID SUMMING AMPLIFIER AND SAID "AND" GATE.
Claim 2
Dependent Claim
137 words
MEANS FOR RECORDING DIRECTION ANGLE SIGNALS OF A TRANSIENT NATURE COMPRISING A CARRIER OSCILLATOR, A DISPLAY DEVICE SYNCHRONIZED WITH SAID OSCILLATOR, A PHASE SHIFTER CONNECTED TO SAID OSCILLATOR, A MODULATOR CONNECTED TO THE OUTPUT OF SAID PHASE SHIFTER, A SECOND MODULATOR CONNECTED TO SAID OSCILLATOR, A SUMMING AMPLIFIER CONNECTED TO THE OUTPUT OF BOTH MODULATORS, MEANS CONNECTED TO SAID AMPLIFIER FOR DETECTING A PRE-SELECTED RELATIVE OUTPUT VALUE THEREOF AND GENERATING A PULSE EACH TIME SAID VALUE IS DETECTED, SAID DISPLAY DEVICE BEING ACTUATED BY SAID GENERATED PULSE, SAID DETECTING AND GENERATING MEANS COMPRISING A 90* PHASE SHIFTER AND ZERO CROSSING DETECTOR CONNECTED TO THE OUTPUT OF SAID 90* PHASE SHIFTER AN "AND" GATE CONNECTED TO THE OUTPUT OF SAID ZERO CROSSING DETECTOR AND A SIGNAL THRESHOLD TRIGGER IS CONNECTED BETWEEN SAID SUMMING AMPLIFIER AND SAID "AND" GATE.
References Cited (Backward Citations)
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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) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |