Illumination device using a laser

Details Illumination device using a laser Illumination device using a laser

1987-12-21

1989-07-25

Henry, Jon W.

Illumination

Light source and modifier

Plural serial lens elements or components

350167, 350576, 350 66, 355 67, 362259, G03B 2700, G02B 2748

Patent

active

048519782

ABSTRACT:
An illumination device forms a secondary light source having N spots by vibrating a laser beam having a wavelength .lambda. emitted from a pulsed laser by a vibration mirror having a swing angle .theta..sub.0, and irradiates an object to be illuminated through a plurality of lens elements arranged at a spacing d. Those elements meet relations of

REFERENCES:
patent: 4450358 (1984-05-01), Reynolds
patent: 4458994 (1984-07-01), Jain et al.
patent: 4497015 (1985-01-01), Konno et al.
patent: 4498009 (1985-02-01), Reynolds
patent: 4619508 (1986-01-01), Shibuya et al.
patent: 4683524 (1987-07-01), Ohta
patent: 4717242 (1988-01-01), Echizen et al.
patent: 4782368 (1988-11-01), Ogawa et al.

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