US3085245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic switchover system for radio transmitters
Assignee: Seismograph Service Corp
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Filing: 1959-03-20
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Granted: 1963-04-09
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Expires: 1979-03-20
Abstract
No abstract record available.
Inventors
- 👤 Robert C Wilson
- 👤 Robert J Puchaty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:45
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02; G01S1/08; G01S1/20; G01S1/30; G01S1/304
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
IN A TRANSMITTING SYSTEM OF THE HYPERBOLIC TYPE EMPLOYING RADIATION OF WAVES FROM A PLURALITY OF SPACED APART POINTS, A TRANSMITTING STATION AT ONE OF SAID POINTS COMPRISING A FIRST TRANSMITTER AND A SECOND TRANSMITTER, A CIRCUIT FOR RENDERING SAID TRANSMITTERS EFFECTIVE ONE AT A TIME SO THAT THE INEFFECTIVE TRANSMITTER SERVES AS A STANDBY TRANSMITTER, A WAVE SIGNAL RECEIVER RESPONSIVE TO A WAVE RADIATED FROM A POINT REMOTE FROM SAID STATION, AND MEANS RESPONSIVE TO SIGNALS FROM SAID RECEIVER FOR CONTROLLING SAID CIRCUIT TO TRANSFER THE OPERATION FROM ONE OF SAID TRANSMITTERS TO THE OTHER IN RESPONSE TO THE INITIAL APPLICATION OF SIGNALS FROM SAID RECEIVER.
Claim 2
Dependent Claim
107 words
IN A TRANSMITTING SYSTEM OF THE HYPERBOLIC TYPE EMPLOYING RADIATION OF WAVES FROM A PLURALITY OF SPACED APART POINTS, A TRANSMITTING STATION AT ONE OF SAID POINTS COMPRISING A FIRST TRANSMITTER AND A SECOND TRANSMITTER, A CIRCUIT FOR RENDERING SAID TRANSMITTERS EFFECTIVE ONE AT A TIME SO THAT THE INEFFECTIVE TRANSMITTER SERVES AS A STANDBY TRANSMITTER, A WAVE SIGNAL RECEIVER RESPONSIVE TO A WAVE RADIATED FROM A POINT REMOTE FROM SAID STATION, AND MEANS RESPONSIVE TO SIGNALS FROM SAID RECEIVER FOR CONTROLLING SAID CIRCUIT TO TRANSFER THE OPERATION FROM ONE OF SAID TRANSMITTERS TO THE OTHER IN RESPONSE TO THE INITIAL APPLICATION OF SIGNALS FROM SAID RECEIVER.
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) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |