Title:
SOLAR LIGHT COLLECTION DEVICE
Document Type and Number:
Japanese Patent JPH06324282
Kind Code:
A
Abstract:
PURPOSE: To provide a solar light collection device using a prism capable of reducing the dispersion of the outgoing beam.
CONSTITUTION: Plural Fresnel prisms 1a1 to 1an are put on one another in a light condensing part to constitute a solar light collecting device. In this case, a Fresnel prism using a material having a different Abbe number is placed among the prisms 1a1 to 1an. As a combination of the prisms in this case, any of the polymethyl methacrylate or polymethylpentane, norbornene resin or amorphous polyolefin is used on one side, and a polycarbonate is employed on the other side.
Inventors:
TAKAHASHI KAZUO
FUJIMOTO YOSHIOKI
TAKAZAWA MASASHI
FUJIMOTO YOSHIOKI
TAKAZAWA MASASHI
Application Number:
JP13414793A
Publication Date:
November 25, 1994
Filing Date:
May 13, 1993
Export Citation:
Assignee:
SANYO ELECTRIC CO
International Classes:
F21S11/00; F21V5/02; G02B5/04; G02B27/00; (IPC1-7): G02B27/00; F21S11/00; F21V5/02; G02B5/04
Attorney, Agent or Firm:
Haruya Saito (1 person outside)