Pickup tube target

Details Pickup tube target Pickup tube target

1955-08-10

1976-04-20

Wilbur, Maynard R.

Electric lamp and discharge devices

Cathode ray tube

Image pickup tube

313386, H01J 3100, H01J 3126

Patent

active

039522229

ABSTRACT:
1. A television camera tube comprising an elongated envelope, an electron gun in one end of said envelope for producing an electron beam, a target electrode in the other end of said envelope and in the path of said beam, said target electrode comprising a transparent conductive coating, a N-type photoconductor on said coating, a P-type photoconductor on said N-type photoconductor, another N-type photoconductor on said P-type photoconductor, a rectifying junction formed between each adjacent pair of said photoconductors and means for applying a reverse bias across at least one of said junctions.

REFERENCES:
patent: 2208455 (1940-07-01), Glasser et al.
patent: 2547386 (1951-04-01), Gray
patent: 2582850 (1952-01-01), Rose
patent: 2588254 (1952-03-01), Lark-Horovitz et al.
patent: 2735049 (1956-02-01), DeForest
patent: 2749463 (1956-06-01), Pierce
patent: 2890359 (1959-06-01), Heijne et al.
P-N Junction Transistors, by Shockley et al., Physical Review, Vol. 83, No. 1, July 1, 1951, pp. 151-162.
Electron Processes in Photoconductors, by Edmund S. Rittner, a paper presented at the Photoconductivity Conference held at Atlantic City, Nov. 4-6, 1954, a copy of the paper may be found on pp. 215-268 of Photoconductivity Conf. published by Wiley & Sons, Inc.

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