Title:
INFRARED FOCUSING DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/040975
Kind Code:
A1
Abstract:
This infrared focusing device (111) is provided with an automatic control circuit (4) which, in accordance with a preset time schedule, performs control to switch between an infrared light reflecting state and transmitting state in a focusing cell (2). In so doing, the infrared light can be appropriately reflected or transmitted, without the cell itself heating up at times at which the infrared light is being reflected, and without infrared light exiting from the cell in an unintended direction.
Inventors:
SATOH EIJI
MINOURA KIYOSHI
TERANISHI TOMOKO
TOMOTOSHI TAKUMA
MINOURA KIYOSHI
TERANISHI TOMOKO
TOMOTOSHI TAKUMA
Application Number:
PCT/JP2014/071069
Publication Date:
March 26, 2015
Filing Date:
August 08, 2014
Export Citation:
Assignee:
SHARP KK (JP)
International Classes:
G02F1/169
Domestic Patent References:
| WO2013108899A1 | 2013-07-25 | |||
| WO2013129373A1 | 2013-09-06 |
Foreign References:
| JPH04240829A | 1992-08-28 | |||
| JP2011504243A | 2011-02-03 | |||
| JPH0527271A | 1993-02-05 |
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
Patent business corporation HARAKENZO WORLD PATENT & TRADEMARK (JP)
Patent business corporation HARAKENZO WORLD PATENT & TRADEMARK (JP)
Download PDF: