US3284632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polarization modulation and demodulation
Assignee: GTE Sylvania Inc
•
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 00:33
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)
GB132858A
Cited
US3126485A
Cited
US1997628A
Cited
US2531951A
Cited
US2707749A
Cited
US2928075A
Cited
US2998746A
Cited
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 |