Device for observing an equipment under tension

Details Device for observing an equipment under tension Device for observing an equipment under tension

1974-05-28

1976-06-29

Kominski, John

Optics: measuring and testing

Range or remote distance finding

With photodetection

73334, 350 82, 350 91, 350301, 356 7, 356241, 432 32, G02B 2308

Patent

active

039662977

ABSTRACT:
Device for observing electrical equipment under voltage application, characterized in that it comprises an adjustable periscopic glass which include a lens assembly which conforms to and interfits with the observation ports within the equipment and carries within the lens assembly adjacent the periphery a light source for illumination of the equipment enclosure interior.

REFERENCES:
patent: 825241 (1906-07-01), Pino
patent: 1480112 (1924-01-01), Poppenhusen
patent: 1667362 (1928-04-01), Van Der Vliet
patent: 1837208 (1931-12-01), Cover
patent: 2015869 (1935-10-01), Pulz
patent: 2325253 (1943-07-01), Laging
patent: 2409328 (1946-10-01), Wilder
patent: 2942469 (1960-06-01), Le Roy
patent: 2968208 (1961-01-01), Shaw
patent: 3423145 (1969-01-01), Breitengross
patent: 3496348 (1970-02-01), Lowery
patent: 3515465 (1970-06-01), Jones
patent: 3749344 (1973-07-01), Racina
Monthly Abstract Bulletin (Eastman Kodak) vol. 36, No. 9, p. 413, Sept. 1950.

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