Television – Video display – Projection device
Patent
1994-03-15
1996-02-06
Kostak, Victor R.
Television
Video display
Projection device
348750, 348756, 348802, 359213, 359223, 359196, 345 30, G02B 2610
Patent
active
054899508
ABSTRACT:
A red image light signal emitting array, a green image light signal emitting array and a blue image light signal emitting array are driven by separate drivers in accordance with one-line image data at a time. The light signals emitted from the arrays are processed by a light signal combining lens and then are incident to a scanning mirror. The scanning mirror vibrates within a specified range of scan angles at a specified frequency, and while the scanning mirror reciprocates once, one frame of two-dimensional image is formed on a projection surface. The scan angle of the scanning mirror is detected by a detector, and the detector sends a detection signal to a timing signal generating circuit. The timing signal generating circuit is stored with values specified for the respective drivers, and when the detector detects that the scan angle becomes one of the values, the timing signal generating circuit sends a timing signal to the corresponding driver.
REFERENCES:
patent: 4934773 (1990-06-01), Becker
patent: 5150205 (1992-09-01), Um et al.
patent: 5166778 (1992-11-01), Beamon
patent: 5189545 (1993-02-01), Takata et al.
Flynn Nathan J.
Kostak Victor R.
Minolta Camera Kabushiki Kaisha
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