Radiant energy – Source with recording detector – Using a stimulable phosphor
Patent
1993-06-18
1995-10-03
Fields, Carolyn E.
Radiant energy
Source with recording detector
Using a stimulable phosphor
250585, G03B 4200, G03B 4202
Patent
active
054554284
ABSTRACT:
A photo detecting apparatus comprises a photodetector for detecting light emitted or reflected by a scanning surface scanned with a light beam in main scanning and sub-scanning directions, and a light guide member, which has a light input end face extending along a main scanning line and propagates the emitted or reflected light to a light receiving face of the photodetector. When a point on the scanning surface, which point is being scanned with the light beam, is represented by O in a side view state taken from the main scanning direction, and an arbitrary point of incidence of the emitted or reflected light upon the light input end face is represented by A in the side view state, conditions .alpha./2.gtoreq..beta. and .theta..gtoreq.15.degree. are satisfied, where .alpha. represents the angle made between a line OA and the scanning surface, .beta. represents the angle made between a direction, along which the light beam reflected from the point A after being reflected or scattered from the point O travels, and the scanning surface, and .theta. represents the angle made between a line, which is normal to the scanning surface, and the light input end face.
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Fields Carolyn E.
Fuji Photo Film Co. , Ltd.
Glick Edward J.
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