Sewer inspection device and method of scanning sewers for leaks

Details Sewer inspection device and method of scanning sewers for leaks Sewer inspection device and method of scanning sewers for leaks

1976-08-25

1978-08-15

Murray, Richard

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

H04N 718

Patent

active

041077385

ABSTRACT:
A camera, as for example a TV camera, is associated with a hydraulic jet nozzle unit whereby delivery of water under pressure to the jet nozzle unit causes rearwardly-directed jets of water to advance the camera and jet unit along a sewer, with the structure being retracted along the sewer by suitable means, such as rewinding a hose which supplies water under pressure to the jet nozzle unit.

REFERENCES:
patent: 2963543 (1960-12-01), Link et al.
patent: 3739089 (1973-06-01), Latall
patent: 3885091 (1975-05-01), Fish et al.

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