Methods and apparatus for laser device adjustment

Details Methods and apparatus for laser device adjustment Methods and apparatus for laser device adjustment

2003-01-28

2003-12-02

Epps, Georgia (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

C359S629000, C356S138000

Reexamination Certificate

active

06657788

ABSTRACT:

BACKGROUND OF THE INVENTION
In many instances it is desired to establish reference lines. This is particularly useful for construction, grading, and “do it yourself” activities. Traditional tools for these tasks include straight edges, rulers, protractors, squares, levels, and plumb bobs. More modern tools include laser alignment devices.
Laser alignment devices include simple pointers, pointers with a bubble vial, self-leveling pointers, multiple beam pointers, and devices that produce a sheet of light. It is highly desirable to have multiple beams that are mutually orthogonal. This is typically achieved by several partially silvered mirrors at 45 degrees to the laser beam. This method requires placing the mirrors in precise alignment and securing them with glue. Further, the mirrors should be extremely stable over time and temperature. More beams require more mirrors at added expense and complexity.
SUMMARY OF THE INVENTION
The present invention relates to improvements to this field rendering simpler, more stable and cost effective laser devices which can generate one or more laser beams for measuring, aligning, leveling and other purposes.


REFERENCES:
patent: 6282028 (2001-08-01), Waibel et al.
patent: 6327090 (2001-12-01), Rando et al.
patent: 6525884 (2003-02-01), Kraiczek et al.
patent: 6542304 (2003-04-01), Tacklind et al.
patent: 6563646 (2003-05-01), Litvin

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