Image reading device

Details Image reading device Image reading device

1981-08-31

1983-10-04

Griffin, Robert L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358264, H04M 140

Patent

active

044082320

ABSTRACT:
An image reading device in which a reference image is outputted together with original data to form a first recorded image and the first recorded image is again read as original data with a reading window of a reading device maintained in phase with the reference image. A sampling pulse signal is produced in phase with a reference line provided on the original image. An analog image signal representing the original image is quantized into a binary electrical signal and stored in a register, wherein, the conversion of the analog image signal into the binary electrical signal occurs after the sampling pulse signal is set in phase with the reference line. A circuit for controlling the scanning of the original image is also disclosed.

REFERENCES:
patent: 4208677 (1980-06-01), Schayes et al.

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