Image reading apparatus

Details Image reading apparatus Image reading apparatus

1991-06-24

1994-02-15

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Image reproduction system

358483, 358471, 358474, 348341, H04N 100

Patent

active

052871983

ABSTRACT:
An image reading apparatus applicable to, for example, an electronic copier or a facsimile transceiver for reading an image by use of CCDs or similar reading elements. A circuit included in the apparatus and not having a time constant is driven at the same time as the start of an image reading operation, while a circuit having a time constant is driven earlier by taking account of the time constant. The apparatus, therefore, reduces electromagnetic interference and saves power while eliminating defective image signals.

REFERENCES:
patent: 4634885 (1987-01-01), Inoue et al.
patent: 4654723 (1987-03-01), Nagano
patent: 5140445 (1992-08-01), Takashima et al.

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