Photocopying – Contact printing – Light boxes
Patent
1988-09-14
1989-10-24
Prescott, A. C.
Photocopying
Contact printing
Light boxes
355203, 355218, 355206, G03G 1500
Patent
active
048765708
ABSTRACT:
An image recording apparatus comprises first signal output means for producing a signal indicating a recorded area of a recording medium, second signal output means for producing a signal indicating an image area to which an original document is to be copied, and control means for determining whether the recorded area and the copy area overlap based on the signals produced by the first and second signal output means, and if they overlap, issuing an alarm or inhibiting copying of the original document to the recording medium.
REFERENCES:
patent: 4390266 (1983-06-01), Uchida
patent: 4462676 (1984-07-01), Shimura et al.
patent: 4627721 (1986-12-01), Nguyen et al.
patent: 4733271 (1988-03-01), Arai
patent: 4745441 (1988-05-01), Maruta et al.
patent: 4761673 (1988-08-01), Watanabe et al.
patent: 4763165 (1988-08-01), Watanabe
Canon Kabushiki Kaisha
Prescott A. C.
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