Addressing type coin-dropping detector circuit

Details Addressing type coin-dropping detector circuit Addressing type coin-dropping detector circuit

2006-12-12

2006-12-12

Lam, Tuan T. (Department: 2816)

Electrical pulse counters, pulse dividers, or shift registers: c

Applications

Counting animate or inanimate entities

C453S030000, C453S058000

Reexamination Certificate

active

07149274

ABSTRACT:
The present invention relates to an addressing type coin-dropping detector circuit, in which as any coin dropping and passing through the photo detector, impulses are produced from the detecting points of the external photo detector and then sent to the addressing type coin-dropping detector circuit. Followed by the enumerations performed by the addressing type coin-dropping detector circuit, an impulse-length value is derived and transmitted to the external circuit through addressing mechanism, which increases overall integrated level of the circuit with a more efficient design in terms of memory and circuit utilization.

REFERENCES:
patent: 4109774 (1978-08-01), Hayashi
patent: 4369442 (1983-01-01), Werth et al.
patent: 4432447 (1984-02-01), Tanaka
patent: 4646767 (1987-03-01), Hikita

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