Check-actuated control mechanisms – With additional – disparate means preventing fraudulent... – Means preventing use of tethered check
Patent
1996-01-11
1997-07-29
Bartuska, F. J.
Check-actuated control mechanisms
With additional, disparate means preventing fraudulent...
Means preventing use of tethered check
194244, G07F 300
Patent
active
056514433
ABSTRACT:
A coin acceptor mechanism (10) for recognizing the valid input of a coin (18) into a coin operated device wherein the mechanism (10) includes a sensor (28) which produces an electrical signal (30) indicative of the sensed presence or absence of a coin. A microprocessor (14) generates a periodic pulsed signal (46) and during a predetermined time period counts the number of pulses generated while the sensor output signal (30) indicates that a coin is present. Upon expiration of the predetermined time period, and once the sensor output signal (30) indicates the absence of a coin, pulses generated thereafter are counted. Once this count exceeds a predetermined value, a valid input is indicated if the first count also exceeded a predefined number.
REFERENCES:
patent: 3665208 (1972-05-01), Jachimek et al.
patent: 3998309 (1976-12-01), Mandas et al.
patent: 4028560 (1977-06-01), Bainter
patent: 4903282 (1990-02-01), Botker
patent: 4926998 (1990-05-01), Finegan
Bartuska F. J.
Eaton Corporation
Johnston Roger A.
Stec Jennifer M.
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