Optical: systems and elements – Single channel simultaneously to or from plural channels – By partial reflection at beam splitting or combining surface
Patent
1998-04-21
1999-12-21
Sugarman, Scott J.
Optical: systems and elements
Single channel simultaneously to or from plural channels
By partial reflection at beam splitting or combining surface
33286, G02B 2714, G02B 1500
Patent
active
06005719&
ABSTRACT:
Accessories are disclosed for use with a laser tool which may or may not be self-leveling. The accessories include one or more diffraction elements, effective to receive the incoming beam and produce a plane of diverging laser beams. In preferred embodiments the diffraction elements are self-leveling. When the diverging beams are directed against a surface such as a floor, wall or ceiling, a series of discrete spots define a visible reference line useful in construction layout. The spots themselves may each locate the position of a fastener to be installed, for example, by giving the approximately correct spacing for reference of the user. In another embodiment, lenticular arrays are used to create beams which diverge in a plane and overlie one another to form a visible reference line on a wall or other surface. The line preferably is plumb or level and in one embodiment the user can select among two or more arrays to form a plumb or level line of selected length.
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Freiburger Thomas M.
Levelite Technology, Inc.
Mack Ricky
Sugarman Scott J.
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