Apparatus for varying intensity of light

Buckles – buttons – clasps – etc.

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

240 411, 240103R, F21V 700

Patent

active

040151131

ABSTRACT:
Apparatus for varying the intensity without changing the color quality of light derived from an artificial light source includes an arcuate row of pivotally mounted cylinders. Each cylinder has at least two surface areas of different reflectivity so that orientation of each cylinder provides a selectively variable composite reflectivity for all cylinders.

REFERENCES:
patent: 1493426 (1924-05-01), Bowman
patent: 1604520 (1926-10-01), Kleese
patent: 1725117 (1929-08-01), Walthers
patent: 3382353 (1968-05-01), Wappler
patent: 3775606 (1973-11-01), Bazell et al.

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

Apparatus for varying intensity of light does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus for varying intensity of light, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for varying intensity of light will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-550238

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