Registers – Coded record sensors – Particular sensor structure
Patent
1993-12-29
2000-08-29
Pitts, Harold I.
Registers
Coded record sensors
Particular sensor structure
23547203, G06K 710
Patent
active
061095273
ABSTRACT:
A handy image scanner according to this invention comprises a light source, a transparent cover through which a light emitted from the light source passes to illuminate a script, and an optical system into which light reflected from the script is input, wherein the transparent cover is integrally comprised of a light gathering lens and a transparent area. Additionally, the transparent cover is bent in such a manner as to minimize the angles of incidence of light passing through the light gathering lens and the transparent area.
REFERENCES:
patent: 4521772 (1985-06-01), Lyon
patent: 4575625 (1986-03-01), Knowles
patent: 4694182 (1987-09-01), Howard
patent: 4703186 (1987-10-01), Nakayama
patent: 4766300 (1988-08-01), Chadima
patent: 4806742 (1989-02-01), Swartz
patent: 4916297 (1990-04-01), Fukada
patent: 4924199 (1990-05-01), Hashimoto
patent: 5047617 (1991-09-01), Shephard
Chujyo Hideki
Iwai Hajime
Koizumi Haruyuki
Ono Kouji
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