Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Offshore prospecting
Patent
1989-10-16
1990-10-30
Steinberger, Brian S.
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Offshore prospecting
367 76, 367 78, 367 79, G01V 122
Patent
active
049674005
ABSTRACT:
A digital marine seismic system employes a plurality of data acquisition control modules which simultaneously digitize analog seismic signals. The control modules also are selectably addressable in that each module is uniquely programmed to respond only to a particular control word. The system allows a large number of channels, such as 480 channels, on a simple transmission system, such as a twisted pair of wires. Each module includes a power switch to sequentially apply power to downstream modules. Selective addressing of the switches allow testing of specific modules for power malfunctions.
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Random House College Dictionary, Random House, Inc., 1980, pp. 418.
Giles et al., "A Marine Digital Streamer", pp. 1-7, FIGS. 1-12.
Cain et al., "An Advanced Multiplexed Streamer System", pp. 1-19, FIGS. 1-20.
Brochure by Digicon Inc. concerning its 240 Channel Digital Streamer System, entitled "DSS-240 Micropower Digital Streamer System".
"A Marine Digital Streamer" by F. G. Giles, D. R. Steetle and T. Woods publicly presented prior to the subject invention.
"DSS-240 Digital Streamer System Specifications and Quality Control Cable Test", used by Digicon Inc. in advertising its Marine Digital Streamer.
"DSS-240 Digital Streamer System SEGY Field Tape Format", used by Digicon Inc. in advertising its Marine Digital Streamer.
"Marine Seismic Digital Telemetry System", by Lee E. Siems is a paper presented at the Twelfth Annual Offshore Technology Conference in Houston, May 5-8, 1980.
"LRS-16 Kiloseis--The Digital Streamer System for Marine Seismic Exploration": by Western Geophysical is an advertising document which appears to describe subject matter similar to U.S. Pat. No. 4,092,629.
"Tuning Into More Channels": by Ted Wilding-White from The Oilman on Mar. 14, 1981 which compares the Siesmic Streamer System offered by Digicon Inc. and Western Geophysical Inc.
"Receiver System--Seismic Acquistion System" by GECO Geophysical Company, Inc. describing GECO's Seismic Cable System.
"An Advanced Multiplexed Streamer System" by employees of Geophysical Service, Inc. a subsidiary of Texas Instruments, Inc. presented prior the subject invention and describes the 240-Channel Multiplex Streamer built by Geophysical Service, Inc.
"Frequency Response of the DSS-240 Seismic Channel Filters" is a brochure used by Digicon Inc. in advertising its Marine Streamer.
SERCEL SN348 Telemetry System is a Technical Summary dated Apr., 1982.
Steinberger Brian S.
Syntron Inc.
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