Information transmission apparatus and image reading apparatus w

Details Information transmission apparatus and image reading apparatus w Information transmission apparatus and image reading apparatus w

1993-02-18

1995-05-30

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Picture signal generator

359361, 359359, 359889, 359356, 356418, H04N 104, G01N 2125, G02B 522, G02B 1314

Patent

active

054206987

ABSTRACT:
An infrared-rejecting device is positioned in a light path and tilted thereto to reflect infrared radiation and to prevent infrared radiation from being applied to a photodetector or a line sensor for preventing the photodetector or the line sensor from operating in error or from suffering a reduction in its resolution. The infrared-rejecting device may be positioned out of the light path to allow light applied to the photodetector or the line sensor to remain unattenuated, i.e., to prevent the light applied to the photodetector or the line sensor from being reduced in intensity.

REFERENCES:
patent: 4807026 (1989-02-01), Nishioka
patent: 5016096 (1991-05-01), Matsunawa
patent: 5063461 (1991-11-01), Copenhaver
patent: 5070407 (1991-12-01), Wheeler
patent: 5075768 (1991-12-01), Wirtz

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