Temperature sensitive liquid column measuring and calibrating ap

Details Temperature sensitive liquid column measuring and calibrating ap Temperature sensitive liquid column measuring and calibrating ap

1977-02-11

1979-03-27

Woodiel, Donald O.

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

G01K 1500

Patent

active

041459113

ABSTRACT:
An oil-filled thermometer tube is heated out and sealed. The tube is mounted with the bulb in a reference bath and sequentially moved through a reference station, a column height measuring station, a marking station and a sorting station. The measuring station includes a photosensitive camera having a columnar light source and a line array of photosensitive devices, which are electronically scanned to measure the column height. A plurality of sequential scans are made as a part of a pattern recognition system to insure a measurement only when an oil column has been scanned. The camera produces a digital output which is converted to an output signal to actuate a marker and a sorter at the respective stations.

REFERENCES:
patent: 3585839 (1971-06-01), Bollinger
patent: 3678729 (1972-07-01), Gels et al.

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