Industry Patents
Patent: 4797795
Control System for Variable Parameter Lighting Fixtures
(Click image for PDF of full patent)
| Patent Number: |
4797795 |
| Title: |
Control System for Variable Parameter Lighting Fixtures |
| Abstract: |
Improvements are disclosed to systems adapted for the control of automated
or variable parameter lighting fixtures and devices capable of varying a
plurality of beam parameters such as the pan, tilt, size, shape, color,
and focus on the basis of desired adjustments stored by the control system
for each of a plurality of desired lighting effects. Such a control system
is provided with a means, such as a port, for coupling to an external
device having at least one output and capable of a plurality of conditions
each of which may be used to identify a different lighting effect so that
the operation of the control system and the external device may be
synchronized. One such external device may be a lighting memory controller
adapted for the adjustment of desired intensity values and coupled to
dimmers, such that the selection of a desired lighting effect by one such
control system can automatically cause the other such control system to
recall any stored adjustments for the same lighting effect, whereby the
operation of large numbers of conventional lighting fixtures can be
synchronized with that of automated fixtures while permitting the use of a
separate control system for each.
|
| Country of Issue: |
US |
| First Named Inventor: |
Callahan |
| Assignee: |
|
| Continuation or Divisional of: |
4697227 |
| International Classification: |
G03B 15/02 |
| US Classification: |
362/233 |
| Issue Date: |
01-10-1989 |
| Filing Date: |
06-25-1987 |
| Application : |
66790 |
| Notes: |
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| Link to Patent at freepatentsonline.com: |
4797795 at Freepatentsonline |
| Link to World Patent Family1: |
World Patent Family at European Patent Office |
| Link to Google Patents1: |
4797795 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.
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