Television camera apparatus with device for preventing condensat

Details Television camera apparatus with device for preventing condensat Television camera apparatus with device for preventing condensat

1995-05-02

1997-01-28

Boudreau, Leo

Television

Camera, system and detail

Support or housing

348207, 348244, H04N 5225

Patent

active

055982115

ABSTRACT:
A television camera apparatus having at least one image-pickup element with a light incidence portion and supported by an image-pickup element holder, a housing connected with the image-pickup element holder and enabling light to pass through a portion thereof for incidence on the light incidence portion of the image-pickup element, and a temperature controlling cooling section provided in a predetermined portion of the housing. The temperature controlling cooling section includes a cooling-side surface portion which is controlled to have a temperature lower than a temperature of the light incidence portion of the image-pickup element during operation of the television camera apparatus, so that free water contained in air inside of the housing is condensed on the cooling-side surface portion. The apparatus also enables discharge of the condensed water outside of the housing.

REFERENCES:
patent: 3306975 (1967-02-01), Donnay
patent: 4551760 (1985-05-01), Bendell
patent: 4567080 (1986-01-01), Korsgaard
patent: 4580168 (1986-04-01), Levine
patent: 4588270 (1986-05-01), Tamaki
patent: 4591901 (1986-05-01), Andrevski
patent: 4739409 (1988-04-01), Baumeister
patent: 5155358 (1992-10-01), Larson
Peltier-Kuhler Zur Empfindlichkeitsverbesserung von Halbleiter-Bildsensoren, in: Fernseh--Und Kino-Technik, 1984, No. 3, p. 122.

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