US3281583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integrator using digital techniques
Assignee: BULOVA RES AND DEV LAB Inc
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Filing: 1962-05-29
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Granted: 1966-10-25
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Expires: 1982-05-29
Abstract
No abstract record available.
Inventors
- 👤 Maurice I Zeldman
- 👤 James J Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:46
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/50; H03M1/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A DIGITAL INTEGRATOR TO EFFECT DOUBLE INTEGRATION COMPRISING A SERVO SYSTEM RESPONSIVE TO AN ANALOG VALUE TO PRODUCE A LINEAR DISPLACEMENT PROPORTIONAL THERETO, A GENERATOR CONTINUOUSLY PRODUCING PULSES AT A PREDETERMINED REPETITION RATE, SWITCHING MEANS COUPLED TO SAID GENERATOR AND RESPONSIVE TO SAID LINEAR DISPLACEMENT PERIODICALLY TO EXTRACT FROM SAID CONTINUOUS PULSES A TRAIN THEREOF HAVING A COUNT IN ACCORDANCE WITH SAID DISPLACEMENT, AND MEANS RESPONSIVE TO SAID TRAIN OF PULSES TO PRODUCE AN ANGULAR DISPLACEMENT CONSTITUTING THE INTEGRAL OF SAID ANALOG VALUE, A SECOND SWITCHING MEANS COUPLED TO SAID GENERATOR AND RESPONSIVE TO SAID ANGULAR DISPLACEMENT PERIODICALLY TO EXTRACT FROM SAID CONTINUOUS PULSES A SECOND TRAIN THEREOF HAVING A COUNT IN ACCORDANCE WITH SAID ANGULAR DISPLACEMENT, AND MEANS RESPONSIVE TO SAID SECOND TRAIN TO PRODUCE THE DOUBLE INTEGRAL.
Claim 2
Dependent Claim
129 words
A DIGITAL INTEGRATOR TO EFFECT DOUBLE INTEGRATION COMPRISING A SERVO SYSTEM RESPONSIVE TO AN ANALOG VALUE TO PRODUCE A LINEAR DISPLACEMENT PROPORTIONAL THERETO, A GENERATOR CONTINUOUSLY PRODUCING PULSES AT A PREDETERMINED REPETITION RATE, SWITCHING MEANS COUPLED TO SAID GENERATOR AND RESPONSIVE TO SAID LINEAR DISPLACEMENT PERIODICALLY TO EXTRACT FROM SAID CONTINUOUS PULSES A TRAIN THEREOF HAVING A COUNT IN ACCORDANCE WITH SAID DISPLACEMENT, AND MEANS RESPONSIVE TO SAID TRAIN OF PULSES TO PRODUCE AN ANGULAR DISPLACEMENT CONSTITUTING THE INTEGRAL OF SAID ANALOG VALUE, A SECOND SWITCHING MEANS COUPLED TO SAID GENERATOR AND RESPONSIVE TO SAID ANGULAR DISPLACEMENT PERIODICALLY TO EXTRACT FROM SAID CONTINUOUS PULSES A SECOND TRAIN THEREOF HAVING A COUNT IN ACCORDANCE WITH SAID ANGULAR DISPLACEMENT, AND MEANS RESPONSIVE TO SAID SECOND TRAIN TO PRODUCE THE DOUBLE INTEGRAL.
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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |