Title:
LIGHT IMAGE PROJECTOR USING LED
Document Type and Number:
Japanese Patent JP2001183969
Kind Code:
A
Abstract:
To provide an LED mark pointer which has high safety to the eyes and of which the projection mark is an easily visible color meeting the color of a projection surface and external light.
This device is successively arranged with an LED light source 1, a matrix mask 4 for marking having a cruciform slit and a light projecting lens 6. The marking matrix mask 4 is arranged within a region where the section of the light beam emitted from the LED light source 1 is nearly the same.
More Like This:
Inventors:
JO KAZUHIKO
Application Number:
JP36689699A
Publication Date:
July 06, 2001
Filing Date:
December 24, 1999
Export Citation:
Assignee:
NIPPON KAGAKU ENGINEERING KK
International Classes:
G09B19/00; G02B27/20; H01L33/58; (IPC1-7): G09B19/00; G02B27/20
Attorney, Agent or Firm:
Shuichi Hattori