Photocopying – Contact printing – Light boxes
Patent
1989-03-20
1990-08-28
Braun, Fred L.
Photocopying
Contact printing
Light boxes
G03G 2100
Patent
active
049529889
ABSTRACT:
An image forming apparatus includes an image forming mechanism, an input device for setting image formation data necessary to command desired image formation, first and second displays for displaying the data input through the input device and for indicating that the apparatus is ready to form images, respectively, a starter for commanding image formation to commence, a timer, and a controller. The timer controls the first display to return the image formation data to predetermined values if the starter has not been actuated during a predetermined time interval. The controller controls the image forming mechanism to form an image according to the displayed data if the starter is actuated after the ready indication, controls the input device to allow the input of data even before the ready indication in which case the timer begins to time after the ready indication, and controls the timer to reset if new image formation data is input during the predetermined time.
REFERENCES:
patent: 4044232 (1977-08-01), Hubbard
patent: 4090787 (1978-05-01), Hubbard et al.
patent: 4105914 (1978-08-01), Murata et al.
patent: 4128756 (1978-12-01), Nagano et al.
Furuichi Katsushi
Honma Toshio
Murakami Katsumi
Yokomizo Yoshikazu
Braun Fred L.
Canon Kabushiki Kaisha
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