Patent US2732307A successfully refreshed from Google Patents.
Patent US3453559A successfully refreshed from Google Patents.
US3453559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple laser amplifier phase control system
Assignee: Unisys Corp
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Filing: 1966-04-01
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Granted: 1969-07-01
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Expires: 1986-04-01
Abstract
No abstract record available.
Inventors
- 👤 James K Sharp
- 👤 Eo Vaher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:10
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/23; H01S3/2308; H01S3/2316; H01S3/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN A SYSTEM COMPRISING A PLURALITY OF CHANNELS, EACH CHANNEL INCLUDING A LASER AMPLIFIER, MEANS FOR ESTABLISHING A PREDETERMINED PHASE RELATIONSHIP BETWEEN OUTPUT BEAMS FROM SAID CHANNELS, SAID MEANS COMPRISING: A SOURCE OF FIRST COHERENT LIGHT IRRADIATING EACH OF SAID CHANNELS, A SOURCE OF SECOND COHERENT LIGHT HAVING THE SAME FREQUENCY AS SAID FIRST COHERENT LIGHT, A PLURALITY OF PHOTODETECTOR MEANS, EACH SAID PHOTODECTETOR MEANS RECEIVING A PORTION OF SAID FIRST COHERENT LIGHT FROM A RESPECTIVE CHANNEL AND A PORTION OF SAID SECOND COHERENT LIGHT TO PROVIDE A CONTROL SIGNAL REPRESENTING THE PHASE RELATIONSHIP THEREBETWEEN, AND
Claim 2
Dependent Claim
96 words
IN A SYSTEM COMPRISING A PLURALITY OF CHANNELS, EACH CHANNEL INCLUDING A LASER AMPLIFIER, MEANS FOR ESTABLISHING A PREDETERMINED PHASE RELATIONSHIP BETWEEN OUTPUT BEAMS FROM SAID CHANNELS, SAID MEANS COMPRISING: A SOURCE OF FIRST COHERENT LIGHT IRRADIATING EACH OF SAID CHANNELS, A SOURCE OF SECOND COHERENT LIGHT HAVING THE SAME FREQUENCY AS SAID FIRST COHERENT LIGHT, A PLURALITY OF PHOTODETECTOR MEANS, EACH SAID PHOTODECTETOR MEANS RECEIVING A PORTION OF SAID FIRST COHERENT LIGHT FROM A RESPECTIVE CHANNEL AND A PORTION OF SAID SECOND COHERENT LIGHT TO PROVIDE A CONTROL SIGNAL REPRESENTING THE PHASE RELATIONSHIP THEREBETWEEN, AND
References Cited (Backward Citations)
US3361990A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |