US3121849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isolator having magnetically controlled acoustogyric material coupling elastically dichroic input and output polarizing elements
Assignee: AT&T Inc
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Filing: 1962-12-07
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Granted: 1964-02-18
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Expires: 1982-12-07
Abstract
No abstract record available.
Inventors
- 👤 Matthews Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:32
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/30; H03H7/00; H03H7/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
IN COMBINATION, A FIRST ELONGATED CRYSTAL HAVING ELASTICALLY DICHROIC PROPERTIES, A SOURCE OF ELECTRICAL OSCILLATIONS, MEANS FOR CONVERTING SAID OSCILLATIONS INTO MECHANICAL VIBRATORY ENERGY IN THE FORM OF TRANSVERSE WAVES OF A FIRST POLARITY AND FOR LAUNCHING SAID ENERGY INTO SAID FIRST CRYSTAL, SAID FIRST CRYSTAL BEING ORIENTED SUCH THAT SAID ENERGY PASSES THERETHROUGH WITH SUBSTANTIALLY MINIMUM ATTENUATION, A NONRECIPROCAL ROTATOR FOR ROTATING THE POPOLARITY, AND UTILIZATION MEANS RESPONSIVE TO WAVES OF SAID SECOND POLARITY POSITIONED TO RECEIVE ENERGY FROM SAID ROTATOR.
Claim 2
Dependent Claim
82 words
IN COMBINATION, A FIRST ELONGATED CRYSTAL HAVING ELASTICALLY DICHROIC PROPERTIES, A SOURCE OF ELECTRICAL OSCILLATIONS, MEANS FOR CONVERTING SAID OSCILLATIONS INTO MECHANICAL VIBRATORY ENERGY IN THE FORM OF TRANSVERSE WAVES OF A FIRST POLARITY AND FOR LAUNCHING SAID ENERGY INTO SAID FIRST CRYSTAL, SAID FIRST CRYSTAL BEING ORIENTED SUCH THAT SAID ENERGY PASSES THERETHROUGH WITH SUBSTANTIALLY MINIMUM ATTENUATION, A NONRECIPROCAL ROTATOR FOR ROTATING THE POPOLARITY, AND UTILIZATION MEANS RESPONSIVE TO WAVES OF SAID SECOND POLARITY POSITIONED TO RECEIVE ENERGY FROM SAID ROTATOR.
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) | 1967-02-17 | 1967-08-19 | 1968-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-17 | 1971-08-19 | 1972-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-17 | 1975-08-19 | 1976-02-18 | $7700.00 | Window Closed / Lapsed |