Image reading apparatus

Details Image reading apparatus Image reading apparatus

1995-02-02

1996-12-17

Hajec, Donald T.

Registers

Coded record sensors

Particular sensor structure

235462, G06K 710

Patent

active

055856152

ABSTRACT:
An apparatus comprises a housing having a window surrounded by an opening edge; a light source arranged in the housing; a total reflection mirror arranged in the housing; and a diffusion reflection mirror for reflecting part of light emitted from the light source toward the window and at the same time reflecting another part of the light emitted from the light source toward the total reflection mirror, wherein light reflected by the total reflection mirror is guided to the window, thereby a target object can be uniformly and brightly irradiated, and good image information can be obtained.

REFERENCES:
patent: 4528444 (1985-07-01), Hara et al.
patent: 4743773 (1988-05-01), Katana et al.
patent: 4818847 (1989-04-01), Hara et al.
patent: 5144117 (1992-09-01), Hasegawa et al.
patent: 5218191 (1993-06-01), Chadima, Jr. et al.
patent: 5270525 (1993-12-01), Ukai et al.
patent: 5313373 (1994-05-01), Bjorner et al.
patent: 5406060 (1995-04-01), Gitin
patent: 5449892 (1995-09-01), Yamada

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