Title:
ILLUMINATOR FOR WATER TANK
Document Type and Number:
Japanese Patent JP2000308433
Kind Code:
A
Abstract:
To suppress the growth of algae in a water tank in which aquatic organisms such as an admirable fish are cultured.
This illuminator is equipped with a human-detecting sensor 4 for illuminating the water tank is provided on the front face of the water tank 1 so that the illuminator may work only when the human 5 comes near for feeding and/or enjoying fish observation in the water tank 1. A photosynthesis of the algae in the water tank is suppressed by minimizing in the irradiation time.
Inventors:
KAWASHIMA SHINGO
MURAKAMI KATSUO
MURAKAMI KATSUO
Application Number:
JP12005799A
Publication Date:
November 07, 2000
Filing Date:
April 27, 1999
Export Citation:
Assignee:
OSRAM MELCO KK
International Classes:
A01K63/06; H05B37/02; (IPC1-7): A01K63/06; H05B37/02
Attorney, Agent or Firm:
Shoji Mizoi