Device for monitoring the interior of a conduit

Details Device for monitoring the interior of a conduit Device for monitoring the interior of a conduit

1983-01-20

1986-10-07

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358108, 358106, 138 90, 324221, 324233, H04N 718

Patent

active

046162585

ABSTRACT:
A monitoring device for monitoring an interior conduit wall includes a plurality of sliding members each resiliently urged by equal amounts away from the device body toward the conduit wall, so that the device can be used in conduits of different diameters while always remaining substantially centered within the conduit.

REFERENCES:
patent: 3761623 (1973-09-01), Hara et al.
patent: 3784740 (1974-01-01), Copland
patent: 3885091 (1975-05-01), Fish et al.
patent: 3984627 (1976-10-01), Galerne
patent: 4218923 (1980-08-01), Triplett et al.
patent: 4292589 (1981-09-01), Bonner

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