Laser marker

Details Laser marker Laser marker

2008-03-14

2010-06-08

Johnson, Amy Cohen (Department: 2841)

Geometrical instruments

Straight-line light ray type

Alignment device

C033S290000, C033SDIG021

Reexamination Certificate

active

07730624

ABSTRACT:
A laser marker capable of emitting laser light with its optimum intensity in accordance with a level of illuminance at any environment where the laser marker is used. The laser marker includes a stand and a cover rotatably provided on the stand. The cover accommodates therein a laser unit that emits laser light outside of the cover through a window formed in the cover. Laser light intensity changing unit is provided, which changes the intensity of the laser light to be emitted from the laser unit in accordance with the illuminance at the environment, the illuminance being detected by a illuminance sensor provided on the cover.

REFERENCES:
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patent: 3833799 (1974-09-01), Audet
patent: 4170071 (1979-10-01), Mann et al.
patent: 6494604 (2002-12-01), Khoshnood
patent: 7412774 (2008-08-01), Lu et al.
patent: 2006/0280212 (2006-12-01), Lu et al.
patent: 2004-109509 (2004-04-01), None

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