05729387 is referenced by 45 patents and cites 9 patents.

A solar lighting apparatus according to the present inveniton is configured so that one lighting prism plate is rotatably arranged in a lighting portion or a plurality of lighting prism plates are rotatably arranged in the lighting portion at intervals of a predetermined distance, and a prism angle of each the lighting prism plate is controlled correspondingly to the height and azimuth of the sun so that the sunlight refracted by the lighting prism plates goes out in a predetermined direction. Therefor, the lighting prism plates and parts relevant thereto are formed under predetermined conditions.

A solar lighting controller in a solar lighting apparatus operated under predetermined conditions for improvement of lighting efficiency, reduction of consumed electric power, etc., the controller comprising a solar position detector, a central processing unit including an arithmetic operation storage means such as a micro computer and a necessary means such as an optical axis sensor.

Title
Solar lighting apparatus and controller for controlling the solar lighting apparatus
Application Number
450782
Publication Number
5729387
Application Date
April 2, 1997
Publication Date
March 17, 1998
Inventor
Mamoru Kubo
Sakai-machi
JP
Tetsuo Miyamoto
Ota
JP
Syozo Kato
Ota
JP
Kiyondo Kobayashi
Ashikaga
JP
Tomohito Koizumi
Ota
JP
Takashi Odaira
Ota
JP
Masashi Takazawa
Oizumi-machi
JP
Norioki Fujimoto
Kumagaya
JP
Kazuo Takahashi
Ota
JP
Agent
Oblon Spivak McClelland Maier & Neustadt P C
Assignee
Sanyo Electric
JP
IPC
G02B 17/00
F04B 7/18
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