Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1979-06-04
1982-04-13
Braun, Fred L.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
219216, 3071414, 307154, 355 3FU, G03G 1500
Patent
active
043244866
ABSTRACT:
The recording device has a heating unit operated and controlled to a predetermined operating temperature, the start of the recording device is governed so as not to operate the heating unit before its temperature reaches a predetermined operating value, the starting of the recording device is permitted prior to a certain time before the temperature of the heating unit reaches the predetermined operating value after the power supply is energized source for the recording device.
REFERENCES:
patent: 3881085 (1975-04-01), Traister
patent: 3976374 (1976-08-01), Hickman
patent: 4113375 (1978-09-01), Murata et al.
patent: 4145599 (1979-03-01), Sakurai et al.
Braun Fred L.
Olympus Optical Company Limited
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