Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
BRIGHNESS MEASUREMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2010/003362
Kind Code:
A1
Abstract:
A brightness measuring device comprises an imaging device, a light measuring device (2) and a connection seat (3) for connecting the imaging device with the light measuring device (2). The emission port of the imaging device corresponds to the incidence port of the light measuring device (2). The imaging device comprises an imaging lens (1-1) and an aperture diaphragm (1-2), and the aperture diaphragm (1-2) is located on the front focal plane of the imaging lens (1-1).

Inventors:
MOU TONGSHENG (CN)
Application Number:
PCT/CN2009/072653
Publication Date:
January 14, 2010
Filing Date:
July 06, 2009
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MOU TONGSHENG (CN)
International Classes:
G01J1/42; G01J1/06; G01J3/02; G01J3/30
Foreign References:
CN201218753Y2009-04-08
US6556284B12003-04-29
CN200982917Y2007-11-28
CN2069572U1991-01-16
FR2720501A11995-12-01
JPS61213638A1986-09-22
CN2643297Y2004-09-22
Other References:
SUN, DEYIN ET AL.: "Redesign of the color luminance meter BM-5", TV ENGINEERING, no. 6, 17 June 2002 (2002-06-17), pages 99 - 100
Attorney, Agent or Firm:
ZHEJIANG SHINE PATENT OFFICE (No. 160 Tianmushan Rd. Westlake Distric, Hangzhou Zhejiang 7, CN)
Download PDF: