LASER PROJECTION DEVICE - MATSUSHITA ELECTRIC IND CO LTD

Title:

LASER PROJECTION DEVICE

Document Type and Number:

WIPO Patent Application WO/2007/040089

Kind Code:

A1

Abstract:

A laser projection device maintaining colors of laser beams of red, blue, and green even in high ambient temperature. The laser projection device has a red laser beam source for emitting a red laser beam, a temperature sensor for detecting the temperature of the red laser beam source, and a heat radiation means for radiating heat of the red laser beam source to the outside based on the temperature of the red laser beam source detected by the temperature sensor.

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Inventors:

YAMAMOTO KAZUHISA
MIZUSHIMA TETSURO
KASAZUMI KEN ICHI
MORIKAWA AKIHIRO
KADOWAKI SHIN-ICHI

Application Number:

PCT/JP2006/319024

Publication Date:

April 12, 2007

Filing Date:

September 26, 2006

Export Citation:

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Assignee:

MATSUSHITA ELECTRIC IND CO LTD (JP)
YAMAMOTO KAZUHISA
MIZUSHIMA TETSURO
KASAZUMI KEN ICHI
MORIKAWA AKIHIRO
KADOWAKI SHIN-ICHI

International Classes:

H01S5/024; G03B21/14; G03B21/16

Domestic Patent References:

WO2005083507A1

2005-09-09

Foreign References:

JP2004334082A	2004-11-25
JP2005026575A	2005-01-27
JP2005191223A	2005-07-14
JP2001071553A	2001-03-21
JP2001284718A	2001-10-12
JP2002116509A	2002-04-19

Attorney, Agent or Firm:

TANAKA, Mitsuo et al. (IMP Building 3-7, Shiromi 1-chome, Chuo-k, Osaka-shi Osaka 01, JP)

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