US3204240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Passive communication system
Assignee: General Precision Inc
•
Filing: 1962-08-13
•
Granted: 1965-08-31
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Expires: 1982-08-13
Abstract
No abstract record available.
Inventors
- 👤 Michael W Mckay
- 👤 Thomas W Odell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:38
CPC Classifications
H; H04; H04B; H04B7/00; H04B7/14; H04B7/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A PASSIVE COMMUNICATION SYSTEM COMPRISING, A RADIOMETER HAVING INPUT AND OUTPUT TERMINALS, A FIRST RADIANT ELECTROMAGNETIC ENERGY SENSING MEMBER CONNECTED TO SAID INPUT TERMINAL, SAID MEMBER SENSING RADIATION FROM A SELECTED DELIMITED TERRESTRIAL AREA, TRANSMITTING MEANS, A SECOND RADIANT ELECTROMAGNETIC ENERGY SENSING MEMBER THEREIN, SAID SECOND MEMBER BEING DIRECTED TOWARD A SELECTED CELESTIAL AREA EMITTING A LOW LEVEL OF ELECTROMAGNETIC RADIATION, AN ELECTROMAGNETIC ENERGY RADIATING MEMBER IN SAID TRANSMITTING MEANS, AN ELECTROMAGNETIC ENERGY TRANSFER PATH INTERCONNECTING SAID SECOND SENSING MEMBER AND SAID RADIATING MEMBER AND TRANSMITTING ENERGY THEREBETWEEN, AND MODULATING MEANS INSERTED IN SAID TRANSFER PATH HAVING AN INTELLIGENCE SIGNAL APPLIED THERETO.
Claim 2
Dependent Claim
102 words
A PASSIVE COMMUNICATION SYSTEM COMPRISING, A RADIOMETER HAVING INPUT AND OUTPUT TERMINALS, A FIRST RADIANT ELECTROMAGNETIC ENERGY SENSING MEMBER CONNECTED TO SAID INPUT TERMINAL, SAID MEMBER SENSING RADIATION FROM A SELECTED DELIMITED TERRESTRIAL AREA, TRANSMITTING MEANS, A SECOND RADIANT ELECTROMAGNETIC ENERGY SENSING MEMBER THEREIN, SAID SECOND MEMBER BEING DIRECTED TOWARD A SELECTED CELESTIAL AREA EMITTING A LOW LEVEL OF ELECTROMAGNETIC RADIATION, AN ELECTROMAGNETIC ENERGY RADIATING MEMBER IN SAID TRANSMITTING MEANS, AN ELECTROMAGNETIC ENERGY TRANSFER PATH INTERCONNECTING SAID SECOND SENSING MEMBER AND SAID RADIATING MEMBER AND TRANSMITTING ENERGY THEREBETWEEN, AND MODULATING MEANS INSERTED IN SAID TRANSFER PATH HAVING AN INTELLIGENCE SIGNAL APPLIED THERETO.
References Cited (Backward Citations)
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Cited
US1379166A
Cited
US2428713A
Cited
US2546984A
Cited
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Cited
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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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |