Boots – shoes – and leggings
Patent
1984-10-24
1985-10-22
Smith, Jerry
Boots, shoes, and leggings
364564, 364567, 209525, 198505, 356385, G01N 902
Patent
active
045492727
ABSTRACT:
An article sensor which defines an opening through which articles to be measured are propelled in a non-supported condition. Bounding the opening are at least two mutually perpendicular arrays of light sources and of photodetectors. The photodetectors constitute the inputs to a microprocessor controlled circuit so that the number and identity of photodetectors that are obscured by a passing article can be determined rapidly thereby enabling plural measurements of articles dimensions to be made during traversal of a single article. The microprocessor can be programmed to compute the volume of an article, the weight of an article or virtually any other characteristic of an article.
A container filling machine which is controlled by the abovementioned microprocessor so that the aggregate weight applied to each container can be carefully measured and controlled, thereby assuring compliance with relevant fair packaging and labeling regulations without the waste attending overfilling of such containers.
A circuit for controlling and interrogating the photodetectors which permits interrogation of the photodetectors at a rate corresponding to that at which the microprocessor operates. The circuit in a first phase of operation senses the voltage drop across the phototransistor without significantly discharging current carriers from the base of the transistor and in a second phase totally discharges the base in preparation for a succeeding measurement so that determination of the condition of the photodetectors is achieved rapidly and accurately.
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Hagan James C.
Hagan Owen C.
Hagan Engineering, Inc.
MacDonald Allen
Olson Thomas H.
Smith Jerry
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