Image reading apparatus

Details Image reading apparatus Image reading apparatus

1990-04-26

1993-01-05

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358453, 358471, 358 22, 340709, H04N 140

Patent

active

051776243

ABSTRACT:
According to a first feature of the present invention, an image reading apparatus is disclosed in which image data read from an image document by an imaging reading device are called into an image memory. An output signal from a character generator for generating a character in the form of an indicator is superimposed on the image data to provide a display signal. Any desired portion of the image data displayed on a display device is indicated by the character in the form of the indicator, that is a so-called pointer. According to a second feature, the display position of the character is moved in synchronism with shifting of the data reading region from the image memory or so-called scrolling to prevent the character display position from being deviated with respect to the contents of the displayed image.

REFERENCES:
patent: 4638368 (1987-01-01), Shimizu et al.
patent: 4641197 (1987-02-01), Miyagi
patent: 4642790 (1987-02-01), Minshull et al.
patent: 4809215 (1989-02-01), Nakamura et al.
patent: 4813013 (1989-03-01), Dunn
patent: 4819063 (1989-04-01), Sugiura
patent: 4827253 (1989-05-01), Maltz
patent: 5068645 (1991-11-01), Drumm

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