Patent US3334307A successfully refreshed from Google Patents.
US3334307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-electrode acoustic amplifier with unitary transducing and translating medium
Assignee: Zenith Electronics LLC
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Filing: 1966-11-14
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Granted: 1967-08-01
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Expires: 1986-11-14
Abstract
No abstract record available.
Inventors
- 👤 Asher S Blum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:35
CPC Classifications
H; H03; H03F; H03F13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
IN ACOUSTIC SIGNAL TRANSLATING APPARATUS IN WHICH ACOUSTIC BULK WAVES ARE PROPAGATED ALONG THE LENGTH OF A BODY OF PIEZOELECTRIC SEMICONDUCTIVE MATERIAL, A SYSTEM FOR TRANSDUCING BETWEEN SAID WAVES AND ELECTRICAL SIGNALS COMPRISING: AN ELECTRODE SYSTEM COMPOSED OF A PLURALITY OF ELECTRODE PAIRS SPACED SUCCESSIVELY ALONG THE LENGTH OF SAID BODY WITH THE INDIVIDUAL ELECTRODES OF EACH PAIR DISPOSED ON SPACE OPPOSED PORTIONS OF SAID BODY AND COUPLED IN COMMON AT THE FREQUENCY OF SAID WAVES, THE EVEN ONES OF SAID PAIRS BEING COUPLED IN COMMON AT SAID FREQUENCY AND THE ODD ONES OF SAID PAIRS BEING COUPLED IN COMMON AT SAID FREQUENCY WITH SAID ELECTRICAL SIGNALS BEING EXHIBITED BETWEEN SAID EVEN AND ODD PAIRS.
Claim 2
Dependent Claim
115 words
IN ACOUSTIC SIGNAL TRANSLATING APPARATUS IN WHICH ACOUSTIC BULK WAVES ARE PROPAGATED ALONG THE LENGTH OF A BODY OF PIEZOELECTRIC SEMICONDUCTIVE MATERIAL, A SYSTEM FOR TRANSDUCING BETWEEN SAID WAVES AND ELECTRICAL SIGNALS COMPRISING: AN ELECTRODE SYSTEM COMPOSED OF A PLURALITY OF ELECTRODE PAIRS SPACED SUCCESSIVELY ALONG THE LENGTH OF SAID BODY WITH THE INDIVIDUAL ELECTRODES OF EACH PAIR DISPOSED ON SPACE OPPOSED PORTIONS OF SAID BODY AND COUPLED IN COMMON AT THE FREQUENCY OF SAID WAVES, THE EVEN ONES OF SAID PAIRS BEING COUPLED IN COMMON AT SAID FREQUENCY AND THE ODD ONES OF SAID PAIRS BEING COUPLED IN COMMON AT SAID FREQUENCY WITH SAID ELECTRICAL SIGNALS BEING EXHIBITED BETWEEN SAID EVEN AND ODD PAIRS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |