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US3144802A
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Tuning apparatus
Assignee: Individual
•
Filing: 1961-06-01
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Granted: 1964-08-18
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Expires: 1981-06-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Lawrence P Faber
- 👤 Keith S Kirkwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:46
CPC Classifications
G; G10; G10G; G10G7/00; G10G7/02; G01; G01R; G01R23/00; G01R23/02; G01R23/10; G10H; G10H1/00; G10H1/44
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
142 words
APPARATUS FOR AUTOMATICALLY TUNING A PLURALITY OF ACOUSTICAL DEVICES SUCCESSIVELY COMPRISING: MEANS INCLUDING A TRANSDUCER FOR PICKING UP THE FREQUENCY OF OSCILLATIONS OF ACOUSTICAL ENERGY GENERATED BY EACH OF A PLURALITY OF ACOUSTICAL DEVICES WHEN ENERGIZED; CIRCUIT MEANS CONNECTED TO SAID TRANSDUCER BY A SERIES CONNECTED SIGNAL CONDITIONING CIRCUIT AND A GATE LOGIC CIRCUIT FOR COUNTING THE FREQUENCY OF OSCILLATIONS PICKED UP BY SAID TRANSDUCER; MEANS INCLUDING A REFERENCE SYSTEM, A MOTOR SELECTOR SYSTEM, AND A MOTOR SYSTEM CONNECTED TO SAID PLURALITY OF ACOUSTICAL DEVICES FOR SELECTING FREQUENCY LIMITS FOR COMPARISON WITH THE FREQUENCY OF OSCILLATIONS COUNTED BY SAID CIRCUIT MEANS; AND MEANS CONNECTED TO SAID CIRCUIT MEANS AND SAID MOTOR SYSTEM FOR AUTOMATICALLY COMPARING THE FREQUENCY OF OSCILLATIONS COUNTED BY SAID CIRCUIT MEANS WITH SAID FREQUENCY LIMITS AND FOR ADJUSTING THE FREQUENCY OF SAID ACOUSTICAL DEVICES TO WITHIN SAID FREQUENCY LIMITS.
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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) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |