Origin detector in image scanner

Details Origin detector in image scanner Origin detector in image scanner

1997-01-17

1999-10-12

Mancuso, Joseph

Facsimile and static presentation processing

Facsimile

Picture signal generator

358488, 358474, 358497, H04N 104

Patent

active

059662204

ABSTRACT:
An apparatus according to the present invention includes a stepping motor (5) and a motor drive circuit (4) for first moving a lamp unit to hit the unit against a reference object opposite to an origin and then moving the unit toward the origin, a CPU (3) for measuring the distance through which the lamp unit is moved from the reference object toward the origin, and the CPU (3) for controlling the lamp unit so that the lamp unit stops at the origin according to the distance measured from the reference object.

REFERENCES:
patent: 4413900 (1983-11-01), Abe et al.
patent: 4561771 (1985-12-01), Sugiura
patent: 4693595 (1987-09-01), Kunikawa et al.
patent: 5109288 (1992-04-01), Moriya
patent: 5161029 (1992-11-01), Yamanishi
patent: 5289000 (1994-02-01), Toyofuku
patent: 5570206 (1996-10-01), Yoshinaga

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