Image reading device with starting position setting system

Details Image reading device with starting position setting system Image reading device with starting position setting system

1996-05-31

1997-09-30

Vu, Kim

Facsimile and static presentation processing

Facsimile

Picture signal generator

358461, 358474, 358488, H04N 104, H04N 140, H04N 138

Patent

active

056731264

ABSTRACT:
A distance between an original sensor and an image sensor is determined by counting a number of pulses of a stepping motor driving an original feeder as an original travels between the original sensor and the image sensor. A pair of markings on a white level reference member opposing the image sensor are used to determine the reading range of the image sensor, and further, when the original travelling past the image sensor obscures the markings, the obscuring of the markings is sensed by a controller and used to determine the above-mentioned distance. A starting position for the image sensor to begin sensing an image borne by an original is set by the controller based upon the distance, and the starting position is recorded in an EEPROM such that it can be recalled between uses of the device.

REFERENCES:
patent: 4882631 (1989-11-01), Mine et al.
patent: 5107350 (1992-04-01), Omori
patent: 5125047 (1992-06-01), Ito et al.
patent: 5168377 (1992-12-01), Nagano
patent: 5371613 (1994-12-01), Arimoto et al.

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