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Patent Searching and Data


Title:
LIGHTING DEVICE
Document Type and Number:
Japanese Patent JPH0773711
Kind Code:
A
Abstract:

PURPOSE: To change light distribution continuously for producing more comfortable life space by combining lamps of different light distribution, and separately flashing and dimming each lamp by a control means included in a controller.

CONSTITUTION: A lighting system is provided with a bulb color straight tube fluorescent lamp 1, a narrow angle spot lamp 2, and a controller 3 capable of flashing and dimming these lamps separately. Brightness of the bulb color straight tube fluorescent lamp 1 and the narrow angle spot lamp 2 is interlocked with calendar information set based on temperature, humidity, and calendar information to be changed. Warm lighting having the feeling of a center is provided in winter, while cool lighting having the feeling of a wide space is provided in summer, thereby a comfortable lighting space in accordance with human mental conditions can thus be produced.


Inventors:
TAMURA AKIKO
IGAI YASUHIRO
Application Number:
JP21679693A
Publication Date:
March 17, 1995
Filing Date:
September 01, 1993
Export Citation:
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Assignee:
MATSUSHITA ELECTRONICS CORP
International Classes:
F21S2/00; G01J1/02; G01K7/00; G01N19/10; H05B37/02; (IPC1-7): F21S1/00; G01J1/02; G01K7/00; G01N19/10; H05B37/02
Attorney, Agent or Firm:
Yoshihiro Morimoto