Laser beam projecting device

Details Laser beam projecting device Laser beam projecting device

2008-06-13

2009-06-30

Tarcza, Thomas H (Department: 3662)

Optics: measuring and testing

Range or remote distance finding

Triangulation ranging with photodetection, but with no...

C356S003100, C356S003010, C359S668000

Reexamination Certificate

active

07554650

ABSTRACT:
A laser beam projecting device, comprising a laser light source for emitting a laser beam, a wavelength selecting film for allowing the laser beam from the laser light source to. pass, and a birefringent optical member arranged on an optical axis closer to an exit side than the wavelength selecting film, wherein the wavelength selecting film is tilted so that an incident angle of the laser beam is in a range of 45° to 80°.

REFERENCES:
patent: 5157459 (1992-10-01), Oono et al.
patent: 5453859 (1995-09-01), Sannohe et al.
patent: 5825555 (1998-10-01), Oono et al.
patent: 6609795 (2003-08-01), Weber et al.
patent: 6704339 (2004-03-01), Lublin et al.
patent: 2006/0028726 (2006-02-01), Ushigome
J. Stone, L. W. Stulz, FiEnd Filters: Passive Multilayer Thin-Film Optical Filters Deposited on Fibre Ends, Aug. 2, 1990, Electronics Letters, vol. 26, No. 16, pp. 1290-1291.
Office action dated Nov. 27, 2006.
Office action dated May 18, 2007.
Office action dated Aug. 27, 2007.
Office action dated Feb. 14, 2008.

Affiliated with

Also associated with

Rating

Laser beam projecting device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Laser beam projecting device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Laser beam projecting device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4076273