Photocopying – Projection printing and copying cameras – Multicolor picture
Patent
1976-08-18
1978-01-17
Griffin, Donald A.
Photocopying
Projection printing and copying cameras
Multicolor picture
355 77, G03B 2778, G03B 2732
Patent
active
040689433
ABSTRACT:
An automatic electronic control including a microprocessor for retaining additive color printing information, means to reproduce selected such information as electrical control signals, and an optoelectronic feedback loop that includes light sources for additive printing. The control system provides color component control according to the microprocessor color information regardless of other variations and conditions within the system.
REFERENCES:
patent: 3120782 (1964-02-01), Goddard et al.
patent: 3124036 (1964-03-01), Hell et al.
patent: 3519347 (1970-07-01), Bowker et al.
patent: 3575508 (1971-04-01), Fergg et al.
patent: 3674364 (1972-07-01), Korman
patent: 3724947 (1973-04-01), Paulus
De luxe General, Incorporated
Griffin Donald A.
Lubcke Harry R.
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