Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
TRIANGULAR PRISM DUAL LAMP COUPLER
Document Type and Number:
Japanese Patent JP2008191653
Kind Code:
A
Abstract:

To provide a dual lamp coupling system in which separate integrator rods for each lamp are replaced with a single rod, to benefit from advantages such as simple mounting, simple alignment, less coupling loss, lower cost since there is no need to provide a mirror coating (only AR coating is required), and eliminate risk of high power damage on the mirror coating.

A dual lamp coupling system is provided using a single equilateral 60 degree triangular prism in front of the integrator rod 5 to homogenize the focused light from two lamps, with increased projection brightness. According to one embodiment, the equilateral 60 degree triangular prism is integrated into the end of the rod.


Inventors:
MA JOSEPH
Application Number:
JP2007336911A
Publication Date:
August 21, 2008
Filing Date:
December 27, 2007
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
CHRISTIE DIGITAL SYS CA INC
International Classes:
G02B5/04; F21S2/00; F21V5/00; G02B6/00; G02B19/00
Attorney, Agent or Firm:
Masayuki Masabayashi
Hayashi Ichiyoshi
Fumihiko Yagisawa
Keiji Masaki