Patent US3284632A successfully refreshed from Google Patents.
US3284632A
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Polarization modulation and demodulation
Assignee: GTE Sylvania Inc
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Filing: 1963-07-31
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Granted: 1966-11-08
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Expires: 1983-07-31
Abstract
No abstract record available.
Inventors
- 👤 Walter K Niblack
- 👤 Edwin H Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:11
CPC Classifications
H; H04; H04B; H04B10/00; H04B10/50; H04B10/516; H04B10/532; G; G02; G02F; G02F1/00; G02F1/01; G02F1/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A COMMUNICATION SYSTEM COMPRISING: A TRANSMITTER INCLUDING MEANS FOR POLARIZATION MODULATING AN ELECTROMAGNETIC WAVE IN RESPONSE TO AN INPUT SIGNAL TO THEREBY PROVIDE A CARRIER HAVING POLARIZATION PARAMETERS DEPENDING ON SAID INPUT SIGNAL; A RECIVER IN AXIAL ALIGNMENT WITH SAID TRANSMITTED CARRIER, SAID RECEIVER INCLUDING: MEANS FOR CONVERTING SAID CARRIER TO LINERALY POLARIZED WAVES; MEANS FOR SEPARATING SAID LINEARLY POLARIZED WAVES ACCORDING TO DIRECTION OF POLARIZATION; DETECTION MEANS FOR THE OUTPUTS OF SAID LAST-MENTIONED MEANS; AND MEANS FOR RECONVERTING THE DETECTED OUTPUT TO THE FROM OF SAID INPUT SIGNAL.
Claim 2
Dependent Claim
89 words
A COMMUNICATION SYSTEM COMPRISING: A TRANSMITTER INCLUDING MEANS FOR POLARIZATION MODULATING AN ELECTROMAGNETIC WAVE IN RESPONSE TO AN INPUT SIGNAL TO THEREBY PROVIDE A CARRIER HAVING POLARIZATION PARAMETERS DEPENDING ON SAID INPUT SIGNAL; A RECIVER IN AXIAL ALIGNMENT WITH SAID TRANSMITTED CARRIER, SAID RECEIVER INCLUDING: MEANS FOR CONVERTING SAID CARRIER TO LINERALY POLARIZED WAVES; MEANS FOR SEPARATING SAID LINEARLY POLARIZED WAVES ACCORDING TO DIRECTION OF POLARIZATION; DETECTION MEANS FOR THE OUTPUTS OF SAID LAST-MENTIONED MEANS; AND MEANS FOR RECONVERTING THE DETECTED OUTPUT TO THE FROM OF SAID INPUT SIGNAL.
References Cited (Backward Citations)
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Cited
US3126485A
Cited
US1997628A
Cited
US2531951A
Cited
US2707749A
Cited
US2928075A
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US2998746A
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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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |