Multi-channel optical time-sharing apparatus having a rotating f

Optics: measuring and testing – Range or remote distance finding – With photodetection

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

250227, 250231SE, 250458, 250461B, 356188, G01J 330, G01J 348

Patent

active

039633519

ABSTRACT:
A multi-wavelength time-sharing apparatus usable in various different configurations of optical measuring equipment to provide a plurality of time-shared optical channels and including appropriate circuitry. The apparatus employs a turbine-driven filter wheel having a shaft position-encoding arrangement consisting of a hollow shaft portion which is internally illuminated. The hollow shaft portion has two sets of spaced apertures cyclically communicating with respective angularly spaced pairs of externally fixedly mounted phototransistors which are sequentially illuminated as the shaft portion rotates and which produce timing pulses which drive Schmitt triggers, which, in a typical embodiment, in turn produce pulses compatible with a logic circuit employed to decode the phototransistor signals into triggers for driving a 4-channel switched gain equalizer, a dark current clamp, and detector gates. Appropriate selection of the signals enables the instrument to function as a fluorometer or a spectrophotometer.

REFERENCES:
patent: 3374477 (1968-03-01), Ejiri et al.
patent: 3811777 (1974-05-01), Chance
patent: 3828173 (1974-08-01), Knepler

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

Multi-channel optical time-sharing apparatus having a rotating f does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Multi-channel optical time-sharing apparatus having a rotating f, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Multi-channel optical time-sharing apparatus having a rotating f will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1692041

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