Optics: measuring and testing – Optical pyrometers – With sample engaging rod or tube
Patent
1980-05-22
1983-01-04
Lee, John D.
Optics: measuring and testing
Optical pyrometers
With sample engaging rod or tube
250231R, 250231P, 350 9610, G01J 548
Patent
active
043670407
ABSTRACT:
A multi-channel optical sensing system for measuring temperature at a number of measuring points includes optical sensors, each of which modulates the incident light beam by light intensity modulation according to the temperature at each measuring point and returns the modulated light beam back to the same optical path. The individual optical sensors are coupled to optical fibers which transmit respective light beams of different wavelengths. These optical fibers are coupled to a wavelength multiplexer/demultiplexer unit, which receives modulated light beams and supplies non-modulated light beams. This unit spectroscopically multiplexes the modulated light beams and spectroscopically demultiplexes the non-modulated light beams. It is optically coupled to another spacially spaced-apart wavelength multiplexer/demultiplexer via an optical system for transmitting light. This other wavelength multiplexer/demultiplexer unit spectroscopically demultiplexes the modulated multiplexed light beam into component light beams supplied to respective other optical fibers and also spectroscopically multiplexes light beams of different wavelengths supplied from the respective other optical fibers. To each of these other optical fibers are coupled a light source unit and modulated light and non-modulated light detecting units.
REFERENCES:
patent: 2385086 (1945-09-01), D'Agostino et al.
patent: 4140393 (1979-02-01), Cetas
patent: 4203326 (1980-05-01), Gottlieb et al.
patent: 4223216 (1980-09-01), Quick et al.
patent: 4281245 (1981-07-01), Brogardh et al.
patent: 4296318 (1981-10-01), Mezzetti et al.
Gonzalez Frank
Lee John D.
Tokyo Shibaura Denki Kabushiki Kaisha
LandOfFree
Multi-channel optical sensing system 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 sensing system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Multi-channel optical sensing system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1580692