Patent US3104393A successfully refreshed from Google Patents.
US3104393A
Expired / Lapsed
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Method and apparatus for phase and amplitude control in ionospheric communications systems
Assignee: Individual
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Filing: 1961-10-18
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Granted: 1963-09-17
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Expires: 1981-10-18
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Vogelman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:46
CPC Classifications
H; H04; H04B; H04B7/00; H04B7/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN A RADIO COMMUNICATION SYSTEM, A METHOD FOR COMPENSATING FOR SIGNAL PHASE AND AMPLITUDE DISTORTION DUE TO IONOSPHERIC SCATTER EFFECTS COMPRISING THE STEPS OF DIVIDING THE SIGNAL TO BE TRANSMITTED INTO A PLURALITY OF DISCRETE FREQUENCY BANDS, PROVIDING, FOR EACH DISCRETE FREQUENCY BAND, A CONTROL SIGNAL, SAID CONTROL SIGNALS BEING HARMONICALLY RELATED AND OF EQUAL PHASE AND AMPLITUDE, EACH SAID CONTROL SIGNAL HAVING A FREQUENCY THAT IS COMPATIBLE WITH THE LOWEST FREQUENCY OF ITS ASSOCIATED FREQUENCY BAND, COMBINING SAID CONTROL SIGNALS WITH SAID SIGNAL TO BE TRANSMITTED, TRANSMITTING SAID COMPOSITE SIGNAL TO A REMOTELY LOCATED RECEIVER, RE-DIVIDING SAID RECEIVED SIGNAL INTO ITS DISCRETE FREQUENCY BANDS, COMPARING THE CONTROL SIGNALS ASSOCIATED WITH EACH SAID DISCRETE FREQUENCY BAND WITH THE LOWEST FREQUENCY CONTROL SIGNAL, AND ALTERING THE PHASE AND AMPLITUDE OF THE RECEIVED SIGNAL AT SAID DISCRETE FREQUENCY BANDS IN RESPONSE TO ANY DEVIATION BETWEEN SAID CONTROL SIGNALS.
Claim 2
Dependent Claim
146 words
IN A RADIO COMMUNICATION SYSTEM, A METHOD FOR COMPENSATING FOR SIGNAL PHASE AND AMPLITUDE DISTORTION DUE TO IONOSPHERIC SCATTER EFFECTS COMPRISING THE STEPS OF DIVIDING THE SIGNAL TO BE TRANSMITTED INTO A PLURALITY OF DISCRETE FREQUENCY BANDS, PROVIDING, FOR EACH DISCRETE FREQUENCY BAND, A CONTROL SIGNAL, SAID CONTROL SIGNALS BEING HARMONICALLY RELATED AND OF EQUAL PHASE AND AMPLITUDE, EACH SAID CONTROL SIGNAL HAVING A FREQUENCY THAT IS COMPATIBLE WITH THE LOWEST FREQUENCY OF ITS ASSOCIATED FREQUENCY BAND, COMBINING SAID CONTROL SIGNALS WITH SAID SIGNAL TO BE TRANSMITTED, TRANSMITTING SAID COMPOSITE SIGNAL TO A REMOTELY LOCATED RECEIVER, RE-DIVIDING SAID RECEIVED SIGNAL INTO ITS DISCRETE FREQUENCY BANDS, COMPARING THE CONTROL SIGNALS ASSOCIATED WITH EACH SAID DISCRETE FREQUENCY BAND WITH THE LOWEST FREQUENCY CONTROL SIGNAL, AND ALTERING THE PHASE AND AMPLITUDE OF THE RECEIVED SIGNAL AT SAID DISCRETE FREQUENCY BANDS IN RESPONSE TO ANY DEVIATION BETWEEN SAID CONTROL SIGNALS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |