Electrical pulse counters – pulse dividers – or shift registers: c – Applications – Counting animate or inanimate entities
Patent
1981-07-06
1984-01-31
Chin, Gary
Electrical pulse counters, pulse dividers, or shift registers: c
Applications
Counting animate or inanimate entities
271 95, 271154, B65H 312
Patent
active
044294085
ABSTRACT:
Device for preventing double counting is provided, which is to be used in a paper sheet counting apparatus having a holder for moving between a paper sheet depositing position and a paper sheet counting position, a rotating cylinder provided with a plurality of suction heads for sucking and turning over paper sheets one by one for counting when the holder is moved to the paper sheet counting position, and a counting device for counting the number of paper sheets. The device according to the invention includes a start sensor for detecting paper sheets deposited into the holder, a paper sheet sensor for detecting the presence or absence of paper sheet at the paper sheet depositing position, and a control circuit for instructing the counting operation to start. The control circuit, upon reception of the detection signals form the start sensor and paper sheet sensor, generates an instruction signal for starting a counting operation and inhibits the counting operation while the paper sheet sensor continues to detect the paper sheets.
REFERENCES:
patent: 3953022 (1976-04-01), Oshima
patent: 4135709 (1979-01-01), Uchida et al.
patent: 4275879 (1981-06-01), Yamashita
patent: 4323768 (1982-04-01), Uchida
Chin Gary
Laurel Bank Machine Co. Ltd.
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