Patent US3290504A successfully refreshed from Google Patents.
US3290504A
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Distortion compensation of optoelectronic devices
Assignee: TDK Micronas GmbH
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Filing: 1963-09-06
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Granted: 1966-12-06
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Expires: 1983-09-06
Abstract
No abstract record available.
Inventors
- 👤 Lucio M Vallese
- 👤 King Marvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:44
CPC Classifications
H; H03; H03F; H03F17/00; H04; H04B; H04B10/00; H04B10/50; H04B10/501; H04B10/503; H04B10/504; H04B10/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A DISTORTION COMPENSATION CIRCUIT COMPRISING: A PAIR OF LIKE OPTOELECTRONIC DEVICES PROVIDING LIGHT RADIATION EMISSION UPON APPLICATION OF ELECTRICAL ENERGY EXCITATION UNDER PREDETERMINED CONDITIONS; COMMON INPUT MEANS FOR APPLYING A VARYING ELECTRICAL SIGNAL TO EACH OF SAID DEVICES TO MODULATE SAID LIGHT RADIATION EMISSION; PHASE SHIFTING MEANS CONNECTED BETWEEN ONE SAID DEVICE AND SAID INPUT MEANS TO APPLY SAID SIGNAL TO SAID ONE DEVICE IN A PREDETERMINED PHASE RELATION WITH RESPECT TO THE OTHER DEVICE, SAID DEVICES BEING POSITIONED TO EMIT LIGHT RADIATIONS IN SEPARATE SPACED PATHS; AND MEANS RESPONSIVE TO SAID LIGHT RADIATIONS FOR COMBINING ENERGY FROM SAID PATHS IN A PREDETERMINED PHASE RELATION TO PROVIDE A COMMON OUTPUT ELECTRICAL SIGNAL WHEREIN MODULATION NONLINEARITIES OF EACH SAID DEDEVICE ARE BALANCED OUT.
Claim 2
Dependent Claim
122 words
A DISTORTION COMPENSATION CIRCUIT COMPRISING: A PAIR OF LIKE OPTOELECTRONIC DEVICES PROVIDING LIGHT RADIATION EMISSION UPON APPLICATION OF ELECTRICAL ENERGY EXCITATION UNDER PREDETERMINED CONDITIONS; COMMON INPUT MEANS FOR APPLYING A VARYING ELECTRICAL SIGNAL TO EACH OF SAID DEVICES TO MODULATE SAID LIGHT RADIATION EMISSION; PHASE SHIFTING MEANS CONNECTED BETWEEN ONE SAID DEVICE AND SAID INPUT MEANS TO APPLY SAID SIGNAL TO SAID ONE DEVICE IN A PREDETERMINED PHASE RELATION WITH RESPECT TO THE OTHER DEVICE, SAID DEVICES BEING POSITIONED TO EMIT LIGHT RADIATIONS IN SEPARATE SPACED PATHS; AND MEANS RESPONSIVE TO SAID LIGHT RADIATIONS FOR COMBINING ENERGY FROM SAID PATHS IN A PREDETERMINED PHASE RELATION TO PROVIDE A COMMON OUTPUT ELECTRICAL SIGNAL WHEREIN MODULATION NONLINEARITIES OF EACH SAID DEDEVICE ARE BALANCED OUT.
References Cited (Backward Citations)
US2175270A
Cited
US2531951A
Cited
US2745316A
Cited
US3105937A
Cited
US3059117A
Cited
US3215840A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |