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Class Information
Number: 367/79
Name: Communications, electrical: acoustic wave systems and devices > Seismic prospecting > Land-reflection type > Telemetry > Multiplex > Time
Description: Subject matter wherein the distinct signals are separated from one another in time.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8570187 System and method for communicating with a telemetric implant Oct. 29, 2013
8174928 Reducing a number of required channels for seismic sensors May. 8, 2012
8094516 Method and device for the time-serial transmission of reception signals of electroacoustic transducers Jan. 10, 2012
8094808 Unpowered twisted pair loopback circuit for differential mode signaling Jan. 10, 2012
7948827 Seismic data acquisition system May. 24, 2011
7894301 Seismic data acquisition using time-division multiplexing Feb. 22, 2011
7773457 Wireless exploration seismic system Aug. 10, 2010
7733839 Dynamic socket waveform Jun. 8, 2010
7660201 Autonomous seismic data acquisition unit Feb. 9, 2010
7573782 Seismic acquisition system Aug. 11, 2009
7523003 Time lapse marine seismic surveying Apr. 21, 2009
7269095 Synchronization of seismic data acquisition systems Sep. 11, 2007
7263030 Seismic data acquisition system Aug. 28, 2007
7239579 Seismic data acquisition system Jul. 3, 2007
7218890 Seismic telemetry system May. 15, 2007
7193932 Seismic data acquisition system Mar. 20, 2007
6400646 Method for compensating for remote clock offset Jun. 4, 2002
6337636 System and techniques for seismic data acquisition Jan. 8, 2002
6002640 Seismic data acquisition system Dec. 14, 1999
5978313 Time synchronization for seismic exploration system Nov. 2, 1999
5583824 Telemetry data transmission circuit having selectable clock source Dec. 10, 1996
5253219 High count seismic data collection and transmission through analog time multiplexing Oct. 12, 1993
5206835 Modular device for reception, the acquisition and the transmission of seismic data with several multiplexing levels Apr. 27, 1993
5077698 Method and device for the high-rate transmission of data following a quasi-asynchronous mode Dec. 31, 1991
5062084 Borehole digital geophone tool Oct. 29, 1991
5058080 Multiple transmission path seismic telemetering system Oct. 15, 1991
5051965 Acousto-optical marine sensor array Sep. 24, 1991
4967400 Digital marine seismic system Oct. 30, 1990
4808996 Simultaneous digitizing apparatus for an acoustic tool Feb. 28, 1989
4787069 Device usable for offshore seismic prospection for receiving seismic signals and transmitting them to a central control and recording system Nov. 22, 1988
4684947 Simultaneous digitizing apparatus for an acoustic tool Aug. 4, 1987
4663744 Real time seismic telemetry system May. 5, 1987
4639729 Telemetric system Jan. 27, 1987
4635237 Data transmission system for seismic streamers Jan. 6, 1987
4628493 Sensor system with time division multiplexing telemetry Dec. 9, 1986
4628494 Method for the remote control of signal acquisition devices by means of a narrow passband transmission channel and a device for the implementation of the method Dec. 9, 1986
4528650 Streamer cable multiplexing apparatus Jul. 9, 1985
4519250 Ultrasonic diagnosis apparatus using reduced numbers of photo transmission lines May. 28, 1985
4519052 Electronic roll-a-long switch May. 21, 1985
4509170 Time division multiplex transmission of submultiplex sequences of signals from sections of a chain of data acquisition units Apr. 2, 1985
4497045 Seismic system with signal multiplexers Jan. 29, 1985
4408307 Optical transmission of digital seismic data Oct. 4, 1983
4398271 Device for data transmission between seismic data acquisition devices and a recording device Aug. 9, 1983
4390974 Seismic data telemetric system Jun. 28, 1983
4360729 Seismic cable connector with optical transceiver Nov. 23, 1982
4320472 Digital geophone system Mar. 16, 1982
4319347 Seismic method and system of improved resolution and discrimination Mar. 9, 1982
4313192 Optical transducer array system Jan. 26, 1982
4312051 Data display Jan. 19, 1982
4309763 Digital sonobuoy Jan. 5, 1982

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