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Patent US3132330A successfully refreshed from Google Patents.
US3132330A
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Electric alarm systems
Assignee: CGG SA
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Filing: 1962-04-30
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Granted: 1964-05-05
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Expires: 1982-04-30
Abstract
No abstract record available.
Inventors
- 👤 Donner Meier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:39
CPC Classifications
G; G08; G08B; G08B13/00; G08B13/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
AN ALARM SYSTEM FOR A PLURALITY OF GROUP OF SENITIVE GEOPHONES DISTRIBUTED OVER A PRE-DETERMINED GROUND AREA FOR PRODUCING SIGNALS IN ACCORDANCE WITH DETECTED DISTURBANCES OVER SAID AREA, ALARM SYSTEM COMPRISING A PLURALITY OF AMPLIFYING MEANS, EACH ONE OF SAID PLURALITY OF AMPLIFYING MEANS BEING CONNECTED TO A RESPECTIVE ONE OF SAID GROUPS OF GEOPHONES FOR AMPLIFYING SIGNALS FROM EACH GROUP OF GEOPHONES, A PLURALITY OF AUDIO FREQUENCY CARRIER WAVE SIGNAL GENERATING MEANS, EACH HAVING A FIXED AUDIO FREQUENCY CARRIER WAVE SIGNAL DIFFERENT FROM ANY OTHER ONE OF SAID PLURALITY, A PLURALITY OF MODULATOR MEANS, ONE OF SAID MODULATOR MEANS BEING CONNECTED TO A RESPECTIVE ONE OF SAID PLURALITY OF GENERATING MEANS FOR MODULATING THE RESPECTIVE AUDIO FREQUENCY CARRIER WAVE SIGNAL OF SAID GENERATING MEANS IN ACCORDANCE WITH MODULATING SIGNALS AND EACH ONE OF SAID PLURALITY AMPLIFYING MEANS BEING CONNECTED TO RESPECTIVE ONE OF SAID MODULATOR MEANS FOR PROVIDING AMPLIFIED GEOPHONES SIGNALS AS MODULATING SIGNALS TO SAID MODULATING MEANS, AND A CONTROL STATION INCLUDING A LOUDSPEAKER AND MEANS TO CONNECT ALL SAID MODULATED AUDIO FREQUENCY CARRIER WAVE SIGNAL PRODUCED BY ALL THE MODULATORS TO SAID LOUDSPEAKER TO SIMULTANEOUSLY ENERGIZE SAID LOUDSPEAKER.
Claim 2
Dependent Claim
191 words
AN ALARM SYSTEM FOR A PLURALITY OF GROUP OF SENITIVE GEOPHONES DISTRIBUTED OVER A PRE-DETERMINED GROUND AREA FOR PRODUCING SIGNALS IN ACCORDANCE WITH DETECTED DISTURBANCES OVER SAID AREA, ALARM SYSTEM COMPRISING A PLURALITY OF AMPLIFYING MEANS, EACH ONE OF SAID PLURALITY OF AMPLIFYING MEANS BEING CONNECTED TO A RESPECTIVE ONE OF SAID GROUPS OF GEOPHONES FOR AMPLIFYING SIGNALS FROM EACH GROUP OF GEOPHONES, A PLURALITY OF AUDIO FREQUENCY CARRIER WAVE SIGNAL GENERATING MEANS, EACH HAVING A FIXED AUDIO FREQUENCY CARRIER WAVE SIGNAL DIFFERENT FROM ANY OTHER ONE OF SAID PLURALITY, A PLURALITY OF MODULATOR MEANS, ONE OF SAID MODULATOR MEANS BEING CONNECTED TO A RESPECTIVE ONE OF SAID PLURALITY OF GENERATING MEANS FOR MODULATING THE RESPECTIVE AUDIO FREQUENCY CARRIER WAVE SIGNAL OF SAID GENERATING MEANS IN ACCORDANCE WITH MODULATING SIGNALS AND EACH ONE OF SAID PLURALITY AMPLIFYING MEANS BEING CONNECTED TO RESPECTIVE ONE OF SAID MODULATOR MEANS FOR PROVIDING AMPLIFIED GEOPHONES SIGNALS AS MODULATING SIGNALS TO SAID MODULATING MEANS, AND A CONTROL STATION INCLUDING A LOUDSPEAKER AND MEANS TO CONNECT ALL SAID MODULATED AUDIO FREQUENCY CARRIER WAVE SIGNAL PRODUCED BY ALL THE MODULATORS TO SAID LOUDSPEAKER TO SIMULTANEOUSLY ENERGIZE SAID LOUDSPEAKER.
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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |