Method and apparatus for calibrating a coin checking device

Details Method and apparatus for calibrating a coin checking device Method and apparatus for calibrating a coin checking device

1993-10-01

1996-03-05

Werner, Frank E.

Check-actuated control mechanisms

Including means to test validity of check

By testing material composition

194214, 324601, G07D 508

Patent

active

054959314

ABSTRACT:
A method for calibrating a coin checking device includes inserting a calibrating module into a coin passage. The coin passage contains at least one coin sensor for determining a coin's physical features. The calibrating module generates measuring signals which simulate an acceptable coin's presence. The measuring signals are received by the at least one coin sensor which in turn outputs sensor signals. The measuring signals and the sensor signals are used to calculate a calibration factor for the coin checking device.

REFERENCES:
patent: 4662501 (1987-05-01), Partridge
patent: 4674618 (1987-06-01), Eglise et al.
patent: 4926996 (1990-05-01), Eglise et al.
patent: 5056644 (1991-10-01), Parker
patent: 5067604 (1991-11-01), Metcalf
patent: 5083652 (1992-01-01), Kobayashi et al.
Official Action issued in parent German patent application P 42 33 194.3 with article reference "High-Accuracy, Simultaneous Calibration of Signal Measuring Systems", by B. K. Sternberg & R. W. Nopper, from Meas. Sci. Technol. 1 (1990) 225-230.

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