US3312932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical conversion of transient vector signals for recorder application
Assignee: Unisys Corp
•
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 23:20
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)
US2754493A
Cited
US3091762A
Cited
US3027219A
Cited
US3187169A
Cited
US3148351A
Cited
US3180977A
Cited
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 |