Scanning system for light beam displays

Details Scanning system for light beam displays Scanning system for light beam displays

1978-03-24

1980-07-15

Martin, John C.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358208, 358232, 350 66, 350 691, 350285, H04N 914, H04N 574, H04N 308, G02B 2717

Patent

active

042131464

ABSTRACT:
In a light beam scanning system in which an electro-mechanical scanner is utilized to provide horizontal scan of an intensity modulated beam, alternate horizontal lines are reversed in the time domain, so that both forward and return motions of the scanning mechanism can be used in the display. The line reversal can be effected by a scan converter mechanism, and nonlinearities in the scanning mechanism can be compensated for by reading out signals during the linear part of the motion or varying the time rate at which the signals are read out.

REFERENCES:
patent: 3614312 (1971-10-01), Fournier et al.
Lotspeich, "Electrooptic Light-Beam Deflection", IEEE Spectrum, Feb. 1968, pp. 45-52.
Baker, "Laser Display Technology," IEEE Spectrum, Dec. 1968, pp. 39-50.

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