Invention Grant
- Patent Title: Lighting fixture iris positioning apparatus
- Patent Title (中): 照明灯具光圈定位装置
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Application No.: US11944132Application Date: 2007-11-21
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Publication No.: US07901114B2Publication Date: 2011-03-08
- Inventor: Thomas E. Lok
- Applicant: Thomas E. Lok
- Agency: Barnes & Thornburg LLP
- Main IPC: F21V21/00
- IPC: F21V21/00
Abstract:
A positioning apparatus for theatrical lighting equipment. In particular, an apparatus that allows an operator to control the direction of the light beam from a lighting fixture and simultaneously control an iris attached to the lighting fixture.
Public/Granted literature
- US20090251903A1 Lighting Fixture Iris Positioning Apparatus Public/Granted day:2009-10-08
Information query
