Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent
1994-02-28
1997-01-21
Phan, James
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
359216, 359217, 359218, 358296, 347253, 250235, G02B 2608
Patent
active
055964443
ABSTRACT:
Image data input from a host computer is converted into data BDATA corresponding to a beam diameter at an image control circuit. BDATA is input into a voice coil 21 driving a collimator lens through a collimator lens driving circuit 3, and the diameter of a laser beam is thus determined. Meanwhile, BDATA is input to a laser beam driving circuit 2 together with a signal LDATA controlling light emission from a laser diode. The laser diode is driven at an intensity corresponding to the beam diameter based on BDATA and LDATA at laser driving circuit 2. An optical apparatus capable of reproducing an accurate dot diameter according to a beam diameter is provided as a result.
REFERENCES:
patent: 4198154 (1980-04-01), Masegi et al.
patent: 4264120 (1981-04-01), Uchiyama et al.
patent: 4573787 (1986-03-01), Sanbayashi et al.
patent: 4763134 (1988-08-01), Murahashi et al.
patent: 4768043 (1988-08-01), Saito et al.
patent: 4999513 (1991-03-01), Ito et al.
patent: 5233368 (1993-08-01), Yamanaka et al.
patent: 5325122 (1994-06-01), Hattori et al.
Minolta Camera Kabushiki Kaisha
Phan James
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