Title:
【発明の名称】光拡散器
Document Type and Number:
Japanese Patent JP2003535440
Kind Code:
A
Abstract:
The invention relates to a light diffuser, consisting of a holding mechanism and, releasably connected thereto, an inflatable sack that is at least partially translucent, wherein the holding mechanism comprises an adapter ring that at one end serves for attachment to a spotlight and at the other end as a receptable of the sack, and furthermore the adapter ring is closed off at the attachment end so as to be translucent and pressure sealed, and at the holding mechanism means are provided for supply of a gaseous filling medium. In accordance with the invention there are arranged at the adapter ring a compressed-gas connection as well as an electronically actuatable valve for the gas supply, such that a first pressure sensor determines the increasing of pressure within the sack fixed to the ring and sends a switch-off signal to the valve when a preset maximal pressure value has been reached, in order to terminate or interrupt filling automatically. Furthermore, a second sensor is provided to detect the ambient pressure, so that a switch-off signal can be derived on the basis of a preset differential pressure value.
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Inventors:
Hagenbach Ube
Grill bernhard
Grill bernhard
Application Number:
JP2002500150A
Publication Date:
November 25, 2003
Filing Date:
May 29, 2001
Export Citation:
Assignee:
Licht Technik Feltrips Game Behr
International Classes:
F21S2/00; F17C13/02; F21S10/00; F21V1/00; F21V1/16; F21V3/00; F21V17/08; G02B5/02; G02B13/20; G03B15/02; G05D15/00; F21W131/406; (IPC1-7): F21S2/00; F21S10/00
Domestic Patent References:
| JPH10188622A | 1998-07-21 |
Foreign References:
| WO2000016005A1 | 2000-03-23 |
Attorney, Agent or Firm:
Nobuhiro Kobashi (1 outside)