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US3231741A
Expired / Lapsed
US
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Light signal receiver systems employing heterodyne conversion and microwave amplification
Assignee: Individual
•
Filing: 1962-09-13
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Granted: 1966-01-25
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Expires: 1982-09-13
Abstract
No abstract record available.
Inventors
- 👤 Anthony E Siegman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:50
CPC Classifications
G; G02; G02F; G02F2/00; G02F2/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
APPARATUS OF THE TYPE DESCRIBED COMPRISING A PHOTOSENSITIVE SOURCE OF A STREAM OF CHARGED PARTICLES, MICROWAVE AMPLIFIER ELEMENT MEANS DISPOSED IN ELECTROMAGNETIC INTERACTION RELATIONSHIP WITH THE CHARGED PARTICLES OF SAID STREAM, AND MEANS FOR DIRECTING A MODULATED OPTICAL CARRIER WAVE SIGNAL UPON THE SURFACE OF SAID PHOTOSENSITIVE SOURCE OF CHARGED PARTICLES.
Claim 2
Dependent Claim
51 words
APPARATUS OF THE TYPE DESCRIBED COMPRISING A PHOTOSENSITIVE SOURCE OF A STREAM OF CHARGED PARTICLES, MICROWAVE AMPLIFIER ELEMENT MEANS DISPOSED IN ELECTROMAGNETIC INTERACTION RELATIONSHIP WITH THE CHARGED PARTICLES OF SAID STREAM, AND MEANS FOR DIRECTING A MODULATED OPTICAL CARRIER WAVE SIGNAL UPON THE SURFACE OF SAID PHOTOSENSITIVE SOURCE OF CHARGED PARTICLES.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |