US3129367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transducer ultrasonic power supply
Assignee: Westinghouse Electric Corp
•
Filing: 1961-05-31
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Granted: 1964-04-14
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Expires: 1981-05-31
Abstract
No abstract record available.
Inventors
- 👤 Chuck F Der
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:01
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/35; H03K3/352; B; B06; B06B; B06B1/00; B06B1/02; B06B1/0207; B06B1/0223; B06B1/0238; B06B1/0246
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN COMBINATION A VIBRATING TRANSDUCER INCLUDING A REACTANCE ELEMENT, AN LC NETWORK, A SOURCE OF DIRECT CURRENT FOR CHARGING SAID NETWORK, A PHASE SHIFTING NETWORK INCLUDING SAID TRANSDUCER REACTANCE ELEMENT OPERATIVELY CONNECTED TO SAID LC NETWORK FOR PRODUCING A TRIGGER SIGNAL HAVING A FREQUENCY DEPENDENT UPON THE EQUIVALENT ELECTICAL CHARACTERISTIC OF SAID TRANSDUCER, SWITCH MEANS OPERABLY CONNECTED TO BOTH SAID NETWORKS AND RESPONSIVE TO SAID TRIGGER SIGNAL TO PERIODICALLY PROVIDE A DISCHARGE PATH FOR SAID LC NETWORK, AND MEANS FOR AUTOMATICALLY VARYING THE FREQUENCY OF SAID TRIGGER SIGNAL.
Claim 2
Dependent Claim
88 words
IN COMBINATION A VIBRATING TRANSDUCER INCLUDING A REACTANCE ELEMENT, AN LC NETWORK, A SOURCE OF DIRECT CURRENT FOR CHARGING SAID NETWORK, A PHASE SHIFTING NETWORK INCLUDING SAID TRANSDUCER REACTANCE ELEMENT OPERATIVELY CONNECTED TO SAID LC NETWORK FOR PRODUCING A TRIGGER SIGNAL HAVING A FREQUENCY DEPENDENT UPON THE EQUIVALENT ELECTICAL CHARACTERISTIC OF SAID TRANSDUCER, SWITCH MEANS OPERABLY CONNECTED TO BOTH SAID NETWORKS AND RESPONSIVE TO SAID TRIGGER SIGNAL TO PERIODICALLY PROVIDE A DISCHARGE PATH FOR SAID LC NETWORK, AND MEANS FOR AUTOMATICALLY VARYING THE FREQUENCY OF SAID TRIGGER SIGNAL.
References Cited (Backward Citations)
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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) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |