US3246159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modulators for light radiation employing carrier injection
Assignee: RCA Corp
•
Filing: 1962-04-30
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Granted: 1966-04-12
•
Expires: 1982-04-30
Abstract
No abstract record available.
Inventors
- 👤 Jacques I Pankove
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:03
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/015; G02F1/0126; G02F1/0155; G02F1/0156
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
51 words
A RADIATION TRANSLATOR COMPRISING AN APLANAR SEMICONDUCTOR BODY SUBSTANTIALLY TRANSPARENT TO RADIATION WITHIN A SELECTED FREQUENCY SPECTRUM, AND MEANS FOR ALTERING SAID TRANSPARENCY OF SAID BODY WITHIN SAID SPECTRUM IN ACCORDANCE WITH A SIGNAL, SAID MEANS COMPRISING MEANS FOR INJECTING CHARGE CARRIERS INTO SAID BODY AT RATES RESPONSIVE TO SAID SIGNAL.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |