Recorders – Record receiver deforming
Patent
1993-05-24
1994-03-15
Reinhart, Mark
Recorders
Record receiver deforming
B41J 2435, H04N 121
Patent
active
052949451
ABSTRACT:
A laser source unit in which a laser diode is located at a focal point of a Fresnel lens using refraction and diffraction. The laser diode emits a laser beam in accordance with a control signal generated by a driving circuit. The laser diode is driven such that defocus on an image surface caused by a rise in the temperature of the laser diode can be kept in a tolerable degree.
REFERENCES:
patent: 4662004 (1987-04-01), Fredriksen et al.
patent: 5212501 (1993-05-01), Nakamura et al.
patent: 5222037 (1993-06-01), Kubo et al.
Hamada Akiyoshi
Nakamura Hiromu
Omura Kunihiko
Ono Satoru
Minolta Camera Kabushiki Kaisha
Reinhart Mark
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