Laser level

Details Laser level Laser level

2006-04-11

2006-04-11

Vo, Tuyet (Department: 2821)

Coherent light generators

Miscellaneous

C033S227000, C033S286000, C033S290000, C033S291000

Reexamination Certificate

active

07027480

ABSTRACT:
A laser level disposable on a reference surface includes a housing, a laser diode disposed within the housing for emitting a laser beam along a path, a lens disposed in the path for converting the laser beam into a planar beam. The planar beam thus forms a line on the reference surface. The laser level also includes an electronic distance measurement circuit disposed within the housing for measuring distance. The distance measurement circuit including a display for showing the measured distance.

REFERENCES:
patent: 4451909 (1984-05-01), Kodera et al.
patent: 4464738 (1984-08-01), Czajkowski
patent: 4910717 (1990-03-01), Terry
patent: 6009630 (2000-01-01), Rando
patent: 6202312 (2001-03-01), Rando
patent: 6459483 (2002-10-01), Shafer et al.
patent: 6502319 (2003-01-01), Goodrich et al.
patent: 2003/0231303 (2003-12-01), Raskin et al.

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