Boots – shoes – and leggings
Patent
1982-05-18
1985-02-26
Krass, Errol A.
Boots, shoes, and leggings
331267A, 73304R, 222 23, 364562, G01F 1300
Patent
active
045021260
ABSTRACT:
An amount of a reagent remaining in a reagent bottle is detected by measuring a distance along which a delivery nozzle is moved downward from a reference level until the tip of nozzle is immersed into the reagent. The distance is measured by counting clock pulses supplied from an oscillating unit which produces the clock pulses during a time interval from the initial downward movement of the nozzle to an instant when the nozzle tip is immersed into the liquid. A count value is compared with a predetermined maximum count value by a comparing unit to derive a difference therebetween. The difference thus derived indicates a residual amount of the liquid. The number of times by which the liquid may be delivered is obtained by dividing the detected residual amount by a unit amount which is delivered by a single delivery operation.
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Cosimano Edward R.
Krass Errol A.
Olympus Optical Co,. Ltd.
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