LOW- POWER SATELLITE-TIMED SEISMIC DATA ACQUISITION SYSTEM
A recording system and method for conducting seismic surveys including cordless battery-operated digital recorders, each employing an integral global positioning system receiver that is only periodically enabled for the purpose of establishing synchronized acquisition clock signals among all the rec...
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| creator | HALLAMAN, James, Michael VAJAPEYAM, Bhasker CARROLL, Paul, E ADAMS, Robbin, B PRADO, Jesus, Eduardo |
| description | A recording system and method for conducting seismic surveys including cordless battery-operated digital recorders, each employing an integral global positioning system receiver that is only periodically enabled for the purpose of establishing synchronized acquisition clock signals among all the recorders. The satellite receiver adjustment cycle is varied depending on past acquisition clock accuracy and temperature changes. A time stamp is recorded with the digitized seismic data in non-volatile memory. The memory is sized to allow extended periods of operation. Each recorder preferably includes a low-power system timer that may be used as a timer to remotely turn on and off the recorders according to a pre-programmed schedule to conserve power when the system is not in use. Electronic components are idled or de-energized when not needed. |
| format | Patent |
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| language | eng ; fre ; ger |
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| subjects | DETECTING MASSES OR OBJECTS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING PHYSICS TESTING |
| title | LOW- POWER SATELLITE-TIMED SEISMIC DATA ACQUISITION SYSTEM |
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