Variable beamwidth stage light
CA 1317264 C · Owner: Morpheus Lights, Inc. · Inventors: Richardson, Brian E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A variable beamwidth stage light (10) having an axially movable reflector (18) for changes in beamwidth. The reflector has a plurality of radially outwardly and axially forwardly extending leaves (62) in side-by-side relation defining a bowl-shaped reflector surface. A stationary support flange (58) frictionally contacts the radially outward surface of each leaf. The reflector base (26) is sandwiched between a base member (28) and a ring member (24). A motor driven lead screw (30) is attached to the base member to move the reflector axially relative to the support flange. The reflector defines first and second focal points (F1 and F2) along the axis of the reflector. A light source (16) is …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted May 4, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 4, 2010.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.