Alignment laser projection system

Geometrical instruments – Straight-line light ray type – Alignment device

Reexamination Certificate

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Details

C033SDIG002, C033S227000, C033S282000

Reexamination Certificate

active

06854191

ABSTRACT:
A laser projection system capable of irradiating a light beam for alignment is provided. The alignment laser projection system comprises a reflection unit, a moving reflection unit, irradiation units that irradiate light to the reflection unit and the moving reflection unit, a guide unit which drives the moving reflection unit, a housing which contains a driving unit, a control unit which controls the irradiation unit and the driving unit, and a display unit which displays control states. In irradiating a laser beam, the laser projection system resolves the problem of instable power supply and information transfer due to the damage in a cable apparatus caused by alternating movements of an irradiation unit such that it supplies stable alignment line in repetitive works.

REFERENCES:
patent: 4333242 (1982-06-01), Genho, Sr.
patent: 5381258 (1995-01-01), Bordignon et al.
patent: 6178650 (2001-01-01), Thibodeaux
patent: 6265984 (2001-07-01), Molinaroli
patent: 6347457 (2002-02-01), Espinoza et al.

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