Control knob dial illumination

Illumination – Illuminated scale or dial

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

362 29, 362 84, G01D 1128

Patent

active

056648600

ABSTRACT:
A device for backlighting a plastic panel associated with a control knob and carrying indicia thereon for illumination by an electroluminescent panel under the plastic panel containing the indicia with the electronic circuitry for illuminating the electroluminescent panel being contained within the hollow control knob. A light-responsive device may be used to maintain the circuit in the OFF position until the ambient light intensity fails below a predetermined level.

REFERENCES:
patent: 2613105 (1952-10-01), Kronmiller
patent: 3254534 (1966-06-01), Graham
patent: 4812831 (1989-03-01), Laier

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Control knob dial illumination does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Control knob dial illumination, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Control knob dial illumination will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-64945

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.