Third-party detection around pipelines

Details Third-party detection around pipelines Third-party detection around pipelines

1989-09-11

1990-08-28

Steinberger, Brian S.

Communications, electrical: acoustic wave systems and devices

Receiver circuitry

367191, 181112, 340566, H04B 106

Patent

active

049531441

ABSTRACT:
Geophones are placed around pipelines to detect third parties, e.g., heavy construction vehicles. Associated computer equipment acquires data from the geophones and discriminates for the frequencies associated with heavy construction vehicles.

REFERENCES:
patent: 4075601 (1978-02-01), Flournoy
patent: 4083229 (1978-04-01), Anway
patent: 4253167 (1981-02-01), Flournoy et al.
patent: 4337528 (1982-06-01), Clinard et al.
patent: 4590799 (1986-05-01), Brown et al.
patent: 4604738 (1986-08-01), Aggarwal et al.

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