Laser beam environment isolation housing

Details Laser beam environment isolation housing Laser beam environment isolation housing

1992-02-28

1994-05-03

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Picture signal generator

358474, 358494, H04N 104

Patent

active

053092554

ABSTRACT:
A laser imaging apparatus, such as a laser scanner or laser printer, includes a gas or diode laser which produces a laser beam and an optical system for directing the laser beam onto a object to be scanned or printed. The laser beam is encompassed in a sealed housing from the laser's output to a point at which the beam is no longer subjected to turbulent environment in order to eliminate laser beam pointing instabilities resulting from a turbulent environment caused by thermal sources, cooling fans, etc.

REFERENCES:
patent: Re31847 (1985-03-01), Luckey
patent: 4616267 (1986-10-01), Horikawa
patent: 4749250 (1988-06-01), Carter
patent: 4758848 (1988-07-01), Nakano
patent: 4860116 (1989-08-01), Nakajima
patent: 5057943 (1991-10-01), Takahashi
"The Effects of Wavelength and Luminance on Visual Modulation Transfer", Proc. Colloquium on Performance of the Eye at Low Luminance, Excerpta Medica, International Congress, Serial 125 (1965).

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