Roll-along switch

Details Roll-along switch Roll-along switch

1979-07-26

1981-08-18

Birmiel, Howard A.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Land-reflection type

367 56, 367 63, 367 60, 370112, 370113, G01V 122

Patent

active

042850525

ABSTRACT:
The electronic roll-along switch consists of several input multiplexers, each having a number of inputs that are connected to seismic detectors, and an output line. A plurality of multiple-input sample-and-hold modules are provided. Corresponding inputs of the respective sample-and-hold modules are paralleled. The output lines of the input multiplexers are connected in consecutive order to the paralleled input of the sample-and-hold modules. The output of each sample-and-hold module is connected to an output amplifier which is couplable to a multichannel seismic recording system. A master controller provides circuitry for connecting any set of several seismic detectors to a like number of channels in the seismic recording system.

REFERENCES:
patent: 3539983 (1970-11-01), Burg
patent: 4017687 (1977-04-01), Hartzler et al.
patent: 4072923 (1978-02-01), Sienis et al.
patent: 4122311 (1978-10-01), Klalt et al.

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