US3233108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for producing phase modulation of light with a semiconductor
Assignee: RCA Corp
•
Filing: 1962-10-30
•
Granted: 1966-02-01
•
Expires: 1982-10-30
Abstract
No abstract record available.
Inventors
- 👤 Rosenblum Bruce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:01
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/015; G02F1/0155; G02F1/0156
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
THE METHOD OF MODULATING A COHERENT LIGHT BEAM COMPRISING THE STEPS OF PASSING A PROTION OF SAID COHERENT LIGHT BEAM THROUGH A SEMICONDUCTIVE DEVICE, WHICH SEMICONDUCTIVE DEVICE IS SUBSTANTIALLY TRANSPARENT TO SAID COHERENT LIGHT, MODULATING THE NUMBER OF CARRIERS IN SAID SEMICONDUCTIVE DEVICE WHEREBY THE PHASE OF SAID PORTION OF SAID COHERENT LIGHT BEAM IS MODULATED, AND COMBINING SAID PHASE MODULATED PORTION OF SAID COHERENT LIGHT BEAM WITH ANOTHER PORTION OF SAID COHERENT LIGHT BEAM WHEREBY AN AMPLITUDE MODULATED LIGHT BEAM IS PRODUCED.
Claim 2
Independent Claim
83 words
THE METHOD OF MODULATING A COHERENT LIGHT BEAM COMPRISING THE STEPS OF PASSING A PROTION OF SAID COHERENT LIGHT BEAM THROUGH A SEMICONDUCTIVE DEVICE, WHICH SEMICONDUCTIVE DEVICE IS SUBSTANTIALLY TRANSPARENT TO SAID COHERENT LIGHT, MODULATING THE NUMBER OF CARRIERS IN SAID SEMICONDUCTIVE DEVICE WHEREBY THE PHASE OF SAID PORTION OF SAID COHERENT LIGHT BEAM IS MODULATED, AND COMBINING SAID PHASE MODULATED PORTION OF SAID COHERENT LIGHT BEAM WITH ANOTHER PORTION OF SAID COHERENT LIGHT BEAM WHEREBY AN AMPLITUDE MODULATED LIGHT BEAM IS PRODUCED.
References Cited (Backward Citations)
US1954947A
Cited
US2385086A
Cited
US2692950A
Cited
US2692952A
Cited
US2788710A
Cited
US3102959A
Cited
US2929922A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |