US3077574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self powered compressional wave transmitter
Assignee: Admiral Corp
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Filing: 1959-04-20
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Granted: 1963-02-12
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Expires: 1979-04-20
Abstract
No abstract record available.
Inventors
- 👤 Marks Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:46
CPC Classifications
G; G08; G08C; G08C23/00; G08C23/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A SELF-POWERED TRANSMITTER FOR GENERATING PERIODIC BURSTS OF ULTRASONIC FREQUENCY COMPRESSIONAL WAVES COMPRISING, A PIEZOELECTRIC TRANSDUCER, AN INDUCTOR COUPLED TO SAID TRANSDUCER, SAID TRANSDUCER AND SAID INDUCTOR FORMING AN LC CIRCUIT RESONANT AT SAID ULTRASONIC FREQUENCY, A TRANSISTORIZED OSCILLATOR HAVING A LOAD CIRCUIT INCLUDING SAID LC CIRCUIT, A MAGNETO HAVING A VOLTAGE COIL LINED BY A MAGNETIC CIRCUIT AND ARRANGED TO SUPPLY OPERATING POTENTIALS TO SAID TRANSISTORIZED OSCILLATOR, SAID MAGNETIC CIRCUIT INCLUDING A PERMANENT MAGNET AND A VIBRATABLE REED, SAID REED UPON VIBRATION CHANGING THE RELUCTANCE OF SAID MAGNETIC CIRCUIT AND CAUSING AN ALTERNATING CURRENT VOLTAGE OF A FREQUENCY EQUAL TO THE FREQUENCY OF VIBRATION OF SAID REED TO BE INDUCED IN SAID
Claim 2
Dependent Claim
113 words
A SELF-POWERED TRANSMITTER FOR GENERATING PERIODIC BURSTS OF ULTRASONIC FREQUENCY COMPRESSIONAL WAVES COMPRISING, A PIEZOELECTRIC TRANSDUCER, AN INDUCTOR COUPLED TO SAID TRANSDUCER, SAID TRANSDUCER AND SAID INDUCTOR FORMING AN LC CIRCUIT RESONANT AT SAID ULTRASONIC FREQUENCY, A TRANSISTORIZED OSCILLATOR HAVING A LOAD CIRCUIT INCLUDING SAID LC CIRCUIT, A MAGNETO HAVING A VOLTAGE COIL LINED BY A MAGNETIC CIRCUIT AND ARRANGED TO SUPPLY OPERATING POTENTIALS TO SAID TRANSISTORIZED OSCILLATOR, SAID MAGNETIC CIRCUIT INCLUDING A PERMANENT MAGNET AND A VIBRATABLE REED, SAID REED UPON VIBRATION CHANGING THE RELUCTANCE OF SAID MAGNETIC CIRCUIT AND CAUSING AN ALTERNATING CURRENT VOLTAGE OF A FREQUENCY EQUAL TO THE FREQUENCY OF VIBRATION OF SAID REED TO BE INDUCED IN SAID
References Cited (Backward Citations)
US1984424A
Cited
US1968617A
Cited
GB398418A
Cited
US2695951A
Cited
US2842959A
Cited
US2817025A
Cited
US2897354A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |