Industry Patents

Patent: 3845351

Method and Apparatus for the Adjustment of a Plurality of Floodlights

(Click image for PDF of full patent)

Patent Number:	3845351
Title:	Method and Apparatus for the Adjustment of a Plurality of Floodlights
Abstract:	An apparatus for adjusting a number of floodlights, especially for the illumination of a stage or studio, in which each of the parameters azimuth, elevation, brightness, focus and color of a bundle of light rays of each floodlight are adjusted to an optimum value for any one of a plurality of lighting effects. A housing attached to each floodlight is provided for the means for adjusting each of the parameters, for generating signals corresponding to the actual values of the respective parameters, and a control circuit for generating a signal according to the difference between a reference value and said actual value to control the associated adjustment means.
Country of Issue:	US
First Named Inventor:	Ballmoos, Grieder, Grohmann, Gutmann
Assignee:
Continuation or Divisional of:
International Classification:	G05F 1/00
US Classification:	315/293
Issue Date:	10-29-1974
Filing Date:	03-01-1971
Application :	119595
Notes:
Link to Patent at freepatentsonline.com:	3845351 at Freepatentsonline
Link to World Patent Family¹:	World Patent Family at European Patent Office
Link to Google Patents¹:	3845351 at Google Patents

1. The Google Patents and World Patent Family links will likely not work until a few weeks
after the patent has issued - they take a while to get new patents in their systems.

Disclaimer: This web site is not intended to offer comprehensive or sufficient information to enable a full legal analysis of a patent or potential infringement. The information provided on this web site is intended as general information only, and is not intended to serve as legal opinion, legal advice or as a substitute for legal counsel. If you have a question about a specific factual situation, you should contact an attorney directly