Image interface device

Details Image interface device Image interface device

1994-10-17

1995-08-01

Evans, Arthur G.

395114, 395112, G06F 1500

Patent

active

054386489

ABSTRACT:
Disclosed is an image interface device connected to a so-called digital copying machine for inputting from and outputting to an external unit, such as a computer system or a communication unit, both multilevel and binary image data. The digital copying machine performs various image processings on the image data output from a scanner for photoelectrically reading an image using a CCD or the like and supplies the processed image data to a printer, such as an ink jet printer, for printing. When the image data is input from the digital copying machine, the multilevel or binary data combined by a multilevel and binary data separating/combining circuit is input through the same data bus controlled by an I/F control circuit. When the multilevel or binary image data is output to the digital copying machine, the data is output through the same data bus, as in the case of inputting the image data. That is, when the multilevel image data is to be output, it is sent from the I/F control circuit to the multilevel and binary data separating/combining circuit and is output as multilevel image data. When the binary image data is to be output, it is output from the multilevel and binary data separating/combining circuit as binary image data.

REFERENCES:
patent: 4682190 (1987-07-01), Ikeda
patent: 4860026 (1989-08-01), Matsumoto et al.
patent: 4905097 (1990-02-01), Watanabe et al.
patent: 4989163 (1991-01-01), Kawamata
patent: 5038298 (1991-08-01), Matsumoto et al.
patent: 5060059 (1991-10-01), Mori et al.
Patent Abstracts of Japan, vol. 12, No. 177 (E-613) (Kokai 62-284573).

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