Image data transferring system and method

Details Image data transferring system and method Image data transferring system and method

1994-07-29

1996-07-02

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358442, 358444, 3642382, 3642383, 395821, H04N 132, H01J 300

Patent

active

055328440

ABSTRACT:
An image data transferring system interfaces an image processor and an image scanner by utilization of signal input and output ports of a common printer connector mounted on the image processor without using a specific dedicated interface to rationally transfer a multiple-bit image data signal from the image scanner. The image processor and said image scanner can share the signal input and output ports by classifying said ports into an output port block for feeding out a command signal from the image processor, an image data input port block for transferring the image data signal from the image scanner, and a control port block for issuing a control signal to be given to the image scanner. The effective transfer ports can be recognized by comparing a check signal to be given to the image scanner and its echo signal sent back from the image scanner.

REFERENCES:
patent: 3879713 (1975-04-01), Bettin
patent: 4297727 (1981-10-01), Ogawa

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