Laser irradiation device and image recorder

Details Laser irradiation device and image recorder Laser irradiation device and image recorder

2006-05-23

2006-05-23

Pham, Hai (Department: 2861)

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

C347S255000

Reexamination Certificate

active

07050081

ABSTRACT:
A laser source emits a laser beam having a peak wavelength within the range from 800 nm to 820 nm. The laser beam emitted from the source passes through an illumination lens, and then impinges on a Grating Light Valve™. The light valve splits the laser beam into a multiplicity of light beams, modulates the multiplicity of light beams in response to image signals, and produces zero-order diffracted signal beams. The zero-order diffracted beams pass through an imaging lens, and are imaged on a recording medium wrapped on the surface of a drum.

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Corrigan R.W. et al.: An Alternative Architecture for High-Performance Display Smpte Journal, Smpte Inc. Scarsdale, N.Y, US, vol. 109, No. 7, Jul. 2000, pp. 568-572, XP000950345.

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