Seismic detector assembly having polarized terminals

Details Seismic detector assembly having polarized terminals Seismic detector assembly having polarized terminals

1987-10-13

1989-03-07

Kyle, Deborah L.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Receivers

367188, 73649, 439624, 181122, H04R 102

Patent

active

048113115

ABSTRACT:
A seismic detector assembly is disclosed that includes a housing and a seismic detector or geophone located in the housing. The geophone has a pair of external terminals that are positioned asymmetrical to the longitudinal axis of the geophone. A printed circuit board having conductive strips for connecting the terminals to leader cables is located in the housing above the geophone. The printed circuit board has a pair of asymmetrical openings through which the asymmetrical terminals can extend only when the printed circuit board is oriented in one position relative to the geophone. Marks on the printed circuit board indicate which conductive strip should be connected to which terminal and the proper orientation of the printed circuit board relative to the truck that receives the output of the geophone.

REFERENCES:
patent: 3911388 (1975-10-01), Crump et al.
patent: 4594698 (1986-06-01), Hefer
patent: 4637001 (1987-01-01), Annoot
patent: 4720267 (1988-01-01), De Jong

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