US3544805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laser delay line using biasing signal
Assignee: RTX Corp
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Filing: 1966-05-23
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Granted: 1970-12-01
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Expires: 1986-05-23
Abstract
No abstract record available.
Inventors
- 👤 Anthony J De Maria
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:42
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/10; H01S3/11; H01S3/1106; H01S3/1109; H01S3/106; H01S3/1068; H01S3/05; H01S3/08; H01S3/08086; H01S3/0809; H01S3/081; H01S3/082; H01S3/09; H01S3/097; H01S3/09702; H01S3/10038; H01S3/14; H01S3/22; H01S3/2207
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A SIGNAL DELAY APPARATUS COMPRISING MEANS FOR GENERATING A LASER BEAM INCLUDING A LASER MEDIUM HAVING A PAIR OF END REFLECTORS TO FORM A FEEDBACK CAVITY, AT LEAST ONE OF SAID REFLECTORS BEING SPACED FROM SAID LASER MEDIUM, AN ACOUSTIC TRANSMITTING MEDIUM POSITIONED BETWEEN SAID LASER MEDIUM AND SAID SPACED REFLECTOR, SAID ACOUSTIC MEDIUM HAVING FIRST AND SECOND OPPOSED ENDS, A FIRST TRANSDUCER CONNECTED TO SAID MEDIUM AT SAID FIRST END AND A SECOND TRANSDUCER CONNECTED TO SAID MEDIUM AT SAID SECOND END, FIRST AND SECOND ACOUSTIC ABSORBERS MOUNTED AT THE SECOND AND FIRST ENDS RESPECTIVELY OF SAID ACOUSTIC MEDIUM, EACH SAID ABSORBER BEING LOCATED OPPOSITE SAID FIRST AND SECOND TRANSDUCERS RESPECTIVELY,
Claim 2
Dependent Claim
112 words
A SIGNAL DELAY APPARATUS COMPRISING MEANS FOR GENERATING A LASER BEAM INCLUDING A LASER MEDIUM HAVING A PAIR OF END REFLECTORS TO FORM A FEEDBACK CAVITY, AT LEAST ONE OF SAID REFLECTORS BEING SPACED FROM SAID LASER MEDIUM, AN ACOUSTIC TRANSMITTING MEDIUM POSITIONED BETWEEN SAID LASER MEDIUM AND SAID SPACED REFLECTOR, SAID ACOUSTIC MEDIUM HAVING FIRST AND SECOND OPPOSED ENDS, A FIRST TRANSDUCER CONNECTED TO SAID MEDIUM AT SAID FIRST END AND A SECOND TRANSDUCER CONNECTED TO SAID MEDIUM AT SAID SECOND END, FIRST AND SECOND ACOUSTIC ABSORBERS MOUNTED AT THE SECOND AND FIRST ENDS RESPECTIVELY OF SAID ACOUSTIC MEDIUM, EACH SAID ABSORBER BEING LOCATED OPPOSITE SAID FIRST AND SECOND TRANSDUCERS RESPECTIVELY,
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) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |