Hitachi, Ltd.

Nippon Hoso' Kyokai

Toru Takigawa

Yasuo Tanaka

Hideaki Yamamoto

Naohiro Goto

Keiko Ooki

Mitsuru Nakazawa

Kenichi Takada

Fumihide Takeuti

In an image pickup tube device of the class comprising an image pickup tube including a face plate and a coil assembly surrounding the tube and a bias light source device including a plurality of luminous elements mounted in a hollow circular disc shaped frame, the frame is positioned in coaxial relationship with respect to the image pickup tube device by a recess provided for the frame for receiving the face plate, an annular projection at one end of the coil assembly for receiving the frame, or both.

Image pickup tube devices

An image pickup device includes an image pickup tube, a coil assembly disposed around the image pickup tube, and elastic members disposed on the inner circumferential surface of the coil assembly in the proximity of an extremity at the side of a face plate of the image pickup tube and an extremity at the side of the stem thereof for coaxially fixing the image pickup tube and coil assembly, said elastic members comprising a commercially available O ring of elastic material.

Image pickup device

A method of manufacturing a light sensitive heterodiode comprising an n-type transparent conductive layer and a p-type photoconductive layer provided thereon and forming rectifying contact therewith, in which before providing the p-type photoconductive layer on the n-type transparent conductive layer the surface of the latter is smoothed down by mechanical polishing or by bombarding it with ions accelerated by discharge.

Method of manufacturing light sensitive heterodiode

Growing community of inventors

Mobara, Japan

Toru Takigawa