Patent US3386020A successfully refreshed from Google Patents.
US3386020A
Expired / Lapsed
US
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Programmed digital to analog function generator for a motor controlled x-y plotter
Assignee: Raytheon Co
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Filing: 1965-08-02
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Granted: 1968-05-28
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Expires: 1985-08-02
Abstract
No abstract record available.
Inventors
- 👤 Brock Paul
- 👤 Peter J Foy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:39
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/19; G05B19/33; G05B19/37; G05B19/371; G05B2219/00; G05B2219/30; G05B2219/35; G05B2219/35356
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
AN ELECTRICAL SYSTEM OF CONTROL, COMPRISING: A PAIR OF MOTORS; A DEVICE HAVING A PAIR OF INPUT MEMBERS CONNECTED TO SAID MOTORS, RESPECTIVELY, AND HAVING A MOVABLE OUTPUT MEMBER COUPLED TO AND DRIVEN BY BOTH INPUT MEMBERS; A WORK MEMBER ON SAID OUTPUT MEMBER OPERABLE BETWEEN OPERATIVE AND INOPERATIVE CONDITIONS; AN OSCILLATOR HAVING AN OUTPUT CIRCUIT FOR PRODUCING A FIXED AMPLITUDE SINE VOLTAGE; FIRST CIRCUIT MEANS INCLUDING AN AMPLITUDE MODULATOR COUPLING SAID OUTPUT CIRCUIT OF SAID OSCILLATOR TO ONE OF SAID MOTORS; SECOND CIRCUIT MEANS INCLUDING AN AMPLITUDE MODULATOR COUPLING SAID OUTPUT CIRCUIT OF SAID OSCILLATOR TO THE OTHER OF SAID MOTORS; CIRCUIT MEANS COUPLED TO SAID OSCILLATOR AND SAID WORK MEMBER FOR STARTING SAID OSCILLATOR AND RENDERING SAID WORK MEMBER OPERATIVE; AND A STOP SIGNAL CIRCUIT SYNCHRONIZED WITH SAID OSCILLATOR AND COUPLED TO SAID WORK MEMBER FOR RENDERING SAID WORK MEMBER INOPERATIVE.
Claim 2
Dependent Claim
143 words
AN ELECTRICAL SYSTEM OF CONTROL, COMPRISING: A PAIR OF MOTORS; A DEVICE HAVING A PAIR OF INPUT MEMBERS CONNECTED TO SAID MOTORS, RESPECTIVELY, AND HAVING A MOVABLE OUTPUT MEMBER COUPLED TO AND DRIVEN BY BOTH INPUT MEMBERS; A WORK MEMBER ON SAID OUTPUT MEMBER OPERABLE BETWEEN OPERATIVE AND INOPERATIVE CONDITIONS; AN OSCILLATOR HAVING AN OUTPUT CIRCUIT FOR PRODUCING A FIXED AMPLITUDE SINE VOLTAGE; FIRST CIRCUIT MEANS INCLUDING AN AMPLITUDE MODULATOR COUPLING SAID OUTPUT CIRCUIT OF SAID OSCILLATOR TO ONE OF SAID MOTORS; SECOND CIRCUIT MEANS INCLUDING AN AMPLITUDE MODULATOR COUPLING SAID OUTPUT CIRCUIT OF SAID OSCILLATOR TO THE OTHER OF SAID MOTORS; CIRCUIT MEANS COUPLED TO SAID OSCILLATOR AND SAID WORK MEMBER FOR STARTING SAID OSCILLATOR AND RENDERING SAID WORK MEMBER OPERATIVE; AND A STOP SIGNAL CIRCUIT SYNCHRONIZED WITH SAID OSCILLATOR AND COUPLED TO SAID WORK MEMBER FOR RENDERING SAID WORK MEMBER INOPERATIVE.
References Cited (Backward Citations)
US3225279A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |