Title:
段付レンズを備える光学装置
Document Type and Number:
Japanese Patent JP2007535783
Kind Code:
A
Abstract:
The invention comprises an optical arrangement for illumination purposes, in particular for a stepped lens spotlight, comprising a stepped lens with a light-diffusing element, in particular a diffusing screen, in which the diffusing screen is arranged in a first region and the stepped lens is arranged in a second region, and in which, with the change in the shape of the light impinging on the optical arrangement and/or the size of the light illuminating the optical arrangement, it is possible to set the aperture angle of the light emerging from the optical arrangement, in particular between two limit values, a smaller alphaSp and a larger alphaF1.
Inventors:
Kittelmann, Rudyger
Hague, Vagener
Hague, Vagener
Application Number:
JP2006546067A
Publication Date:
December 06, 2007
Filing Date:
December 22, 2004
Export Citation:
Assignee:
Schott AG
International Classes:
F21V5/04; F21L4/00; F21L4/04; F21S2/00; F21S8/00; F21S8/10; F21S10/00; F21V3/04; F21V5/00; F21V7/00; F21V7/22; F21V9/08; F21V14/02; F21V14/06; G02B3/08; F21Y101/00
Attorney, Agent or Firm:
Masao Okabe
Nobuaki Kato
Okabe
Shinichi Usui
Takao Ochi
Teruhisa Motomiya
Seiichiro Takahashi
Koji Yoshizawa
Takao Matsui
Nobuaki Kato
Okabe
Shinichi Usui
Takao Ochi
Teruhisa Motomiya
Seiichiro Takahashi
Koji Yoshizawa
Takao Matsui