Patent US688009A successfully refreshed from Google Patents.
Patent US3309699A successfully refreshed from Google Patents.
US3309699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tracking system for communication satellites
Assignee: Raytheon Co
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Filing: 1964-05-21
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Granted: 1967-03-14
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Expires: 1984-05-21
Abstract
No abstract record available.
Inventors
- 👤 Louis V Erdle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:57
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/74; G01S13/76; G01S13/762; G01S13/66; G01S13/68; H; H01; H01Q; H01Q5/00; H01Q5/40; H01Q5/45
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
193 words
A SATELLITE TRACKING AND COMMUNICATION SYSTEM FOR BROAD POINTING OF THE SYSTEM DURING INITIAL ACQUISITION OF THE SATELLITE AND FOR ACCURATE POINTING OF THE SYSTEM DURING TRACKING OF THE SATELLITE, SAID SYSTEM OPERABLE WITH ANOTHER COMMUNICATION STATION, SAID SATELLITE RESPONDING TO RECEIVED SIGNALS TO TRANSMIT SIGNALS WITH A FIXED DOWN CONVERSION IN FREQUENCY COMPRISING A COMMUNICATION ANTENNA HAVING A BORESIGHT AXIS AND MOVABLE SO THAT SAID AXIS POINTS AT THE SATELLITE, A TRANSMITTER COUPLED TO SAID ANTENNA FOR TRANSMITTING FIRST FREQUENCY MODULATED COMMUNICATION SIGNALS, SAID SATELLITE RESPONDING TO SAID FIRST SIGNALS TO TRANSMIT SECOND FREQUENCY MODULATED SIGNALS, MEANS COUPLED TO SAID ANTENNA FOR RECEIVING SAID SECOND SIGNALS AND THIRD FREQUENCY MODULATED SIGNALS TRANSMITTED FROM SAID SATELLITE RESPONDING TO FREQUENCY MODULATED COMMUNICATION SIGNALS RECEIVED FROM THE OTHER COMMUNICATION STATION, FIRST AND SECOND FILTER MEANS COUPLED TO SAID MEANS FOR RECEIVING FOR RESPECTIVELY PASSING SAID SECOND AND THIRD SIGNALS, FIRST AND SECOND GAIN CONTROL AMPLIFIERS RESPECTIVELY COUPLED TO SAID FIRST AND SECOND FILTER MEANS, FIRST AND SECOND PHASE LOCK DEMODULATOR MEANS RESPECTIVELY COUPLED TO SAID FIRST AND SECOND GAIN CONTROL AMPLIFIERS FOR RESPONDING TO THE SIGNALS PASSED THERETHROUGH TO DEVELOP RESPECTIVE FIRST AND SECOND AUDIO
Claim 2
Dependent Claim
193 words
A SATELLITE TRACKING AND COMMUNICATION SYSTEM FOR BROAD POINTING OF THE SYSTEM DURING INITIAL ACQUISITION OF THE SATELLITE AND FOR ACCURATE POINTING OF THE SYSTEM DURING TRACKING OF THE SATELLITE, SAID SYSTEM OPERABLE WITH ANOTHER COMMUNICATION STATION, SAID SATELLITE RESPONDING TO RECEIVED SIGNALS TO TRANSMIT SIGNALS WITH A FIXED DOWN CONVERSION IN FREQUENCY COMPRISING A COMMUNICATION ANTENNA HAVING A BORESIGHT AXIS AND MOVABLE SO THAT SAID AXIS POINTS AT THE SATELLITE, A TRANSMITTER COUPLED TO SAID ANTENNA FOR TRANSMITTING FIRST FREQUENCY MODULATED COMMUNICATION SIGNALS, SAID SATELLITE RESPONDING TO SAID FIRST SIGNALS TO TRANSMIT SECOND FREQUENCY MODULATED SIGNALS, MEANS COUPLED TO SAID ANTENNA FOR RECEIVING SAID SECOND SIGNALS AND THIRD FREQUENCY MODULATED SIGNALS TRANSMITTED FROM SAID SATELLITE RESPONDING TO FREQUENCY MODULATED COMMUNICATION SIGNALS RECEIVED FROM THE OTHER COMMUNICATION STATION, FIRST AND SECOND FILTER MEANS COUPLED TO SAID MEANS FOR RECEIVING FOR RESPECTIVELY PASSING SAID SECOND AND THIRD SIGNALS, FIRST AND SECOND GAIN CONTROL AMPLIFIERS RESPECTIVELY COUPLED TO SAID FIRST AND SECOND FILTER MEANS, FIRST AND SECOND PHASE LOCK DEMODULATOR MEANS RESPECTIVELY COUPLED TO SAID FIRST AND SECOND GAIN CONTROL AMPLIFIERS FOR RESPONDING TO THE SIGNALS PASSED THERETHROUGH TO DEVELOP RESPECTIVE FIRST AND SECOND AUDIO
References Cited (Backward Citations)
US3113268A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |