Photomultiplier tube device

Facsimile and static presentation processing – Static presentation processing – Attribute control

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Details

358229, H04N 146

Patent

active

044929773

ABSTRACT:
In an electronic color separation system having a photomultiplier tube device in the scanning unit thereof, a diffuser plate is disposed between a light source and a photomultiplier tube in the immediate vicinity of said photomultiplier tube. The diffuser plate allows a uniform amount of light to impinge on the photomultiplier tube and prevents production of undersirable output signals.

REFERENCES:
patent: 3351762 (1967-11-01), Adkins
patent: 3543099 (1970-11-01), Turner
patent: 3561846 (1971-02-01), Kingsland
patent: 3588514 (1971-06-01), Simpkins
patent: 3997779 (1976-12-01), Rabl
patent: 4068121 (1978-01-01), Bringhurst
patent: 4160280 (1979-07-01), Atoji
patent: 4371897 (1983-02-01), Kramer

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