Image reader suitable for manual scanning

Details Image reader suitable for manual scanning Image reader suitable for manual scanning

1984-06-07

1987-08-04

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358285, 358294, 358256, 358288, 250566, H04N 110, H04N 140, H04N 104, H04N 100

Patent

active

046849980

ABSTRACT:
An image reader of hand scanner type has a transparent support for fixing an original on a table in position, a reading head, LEDs for irradiating the original, an imaging sensor array for reading the original image further LEDs and sensor for detecting the head scanning position, a control circuit including a turn on circuit and/or an alarm control circuit, and a display LED. The LEDs for image reading are turned on only during image reading. When manual scanning is performed too fast and further signal processing cannot be performed, this can be signalled to the operator by the display LED.

REFERENCES:
patent: 3346692 (1967-10-01), Garfield et al.
patent: 3541248 (1970-11-01), Young
patent: 4268870 (1981-05-01), Kitamura et al.
patent: 4275423 (1981-06-01), Takahashi et al.
patent: 4319283 (1982-03-01), Ozawa et al.
patent: 4486786 (1984-12-01), Sato et al.
patent: 4523235 (1985-06-01), Rajchman
patent: 4553035 (1985-11-01), Malinsky et al.

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