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Patent Searching and Data


Title:
BRIGHTNESS CONTROL SYSTEM FOR ILLUMINATION EQUIPMENT
Document Type and Number:
Japanese Patent JP2001326081
Kind Code:
A
Abstract:

To provide a brightness control system realizing energy saving and resource saving at an illumination equipment.

A measuring instrument 1 checks the brightness of a room 10 with a brightness sensor 5 and indicates raising and lowering of a receiving voltage of a lamp 4 to a power saving device 2 according to the comparison of the brightness with the value of standard brightness set by an information treatment device 6 through a network 7. When the power consumption of the lamp 4 exceeds a prescribed value set by the information treatment device 6 through the network 7, the measuring instrument 1 informs the life end of the lamp 4 to the information treatment device 6.


Inventors:
FUKUDA EIJI
Application Number:
JP2000146025A
Publication Date:
November 22, 2001
Filing Date:
May 18, 2000
Export Citation:
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Assignee:
FUJI ELECTRIC CO LTD
International Classes:
H05B37/02; (IPC1-7): H05B37/02
Attorney, Agent or Firm:
Yoshiyuki Osuge