Multichannel optical sensing device
Abstract
A multichannel optical sensing device is disclosed, for measuring the outdoor sky luminance or illuminance or the luminance or illuminance distribution in a room, comprising a plurality of light receptors, an optical shutter matrix including a plurality of liquid crystal optical shutter elements operable by electrical control signals between light transmitting and light stopping conditions, fiber optical elements connected between the receptors and the shutter elements, a microprocessor based programmable control unit for selectively supplying control signals to the optical shutter elements in a programmable sequence, a photodetector including an optical integrating spherical chamber having an input port for receiving the light from the shutter matrix and at least one detector element in the spherical chamber for producing output signals corresponding to the light, and output units for utilizing the output signals including a storage unit having a control connection to the microprocessor based programmable control unit for storing the output signals under the sequence control of the programmable control unit.
- Inventors:
- Issue Date:
- Research Org.:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- OSTI Identifier:
- 5455521
- Application Number:
- ON: DE86013675
- Assignee:
- Dept. of Energy
- DOE Contract Number:
- AC03-76SF00098
- Resource Type:
- Patent
- Resource Relation:
- Other Information: Portions of this document are illegible in microfiche products
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 47 OTHER INSTRUMENTATION; PHOTOMETERS; OPTICAL SYSTEMS; AMPLIFIERS; COMPUTERIZED CONTROL SYSTEMS; FIBER OPTICS; MEMORY DEVICES; PHOTODETECTORS; SHUTTERS; CONTROL SYSTEMS; ELECTRONIC EQUIPMENT; EQUIPMENT; MEASURING INSTRUMENTS; 440300* - Miscellaneous Instruments- (-1989)
Citation Formats
Selkowitz, S E. Multichannel optical sensing device. United States: N. p., 1985.
Web.
Selkowitz, S E. Multichannel optical sensing device. United States.
Selkowitz, S E. Fri .
"Multichannel optical sensing device". United States.
@article{osti_5455521,
title = {Multichannel optical sensing device},
author = {Selkowitz, S E},
abstractNote = {A multichannel optical sensing device is disclosed, for measuring the outdoor sky luminance or illuminance or the luminance or illuminance distribution in a room, comprising a plurality of light receptors, an optical shutter matrix including a plurality of liquid crystal optical shutter elements operable by electrical control signals between light transmitting and light stopping conditions, fiber optical elements connected between the receptors and the shutter elements, a microprocessor based programmable control unit for selectively supplying control signals to the optical shutter elements in a programmable sequence, a photodetector including an optical integrating spherical chamber having an input port for receiving the light from the shutter matrix and at least one detector element in the spherical chamber for producing output signals corresponding to the light, and output units for utilizing the output signals including a storage unit having a control connection to the microprocessor based programmable control unit for storing the output signals under the sequence control of the programmable control unit.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1985},
month = {8}
}