G01D
MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
G01D
MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
G01D5/00
Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
G01D5/00
Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
G01D5/26
characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
G01D5/26
characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
G01D5/32
with attenuation or whole or partial obturation of beams of light
G01D5/32
with attenuation or whole or partial obturation of beams of light
G01D5/34
the beams of light being detected by photocells
G01D5/34
the beams of light being detected by photocells