Device with a sensor for the recognition of coins

Details Device with a sensor for the recognition of coins Device with a sensor for the recognition of coins

1986-07-17

1988-02-23

Bartuska, F. J.

Check-actuated control mechanisms

Including means to test validity of check

Having means to test surface configuration

73DIG4, 310338, G07D 500

Patent

active

047264586

ABSTRACT:
A sensor is used for the recognition of coins, which analyses the mintage. The main component of the sensor is a polymeric, elastic material (20) which has piezoelectrical properties. By pressing the minted face of a coin onto the sensory surface (23) a signal is produced corresponding to the high and low points of the mintage, which permits an assessment of the coin by means of the connection of an electronic evaluation unit.

REFERENCES:
patent: 1236870 (1917-08-01), Reith
patent: 3776338 (1973-12-01), Johnson
patent: 4485321 (1984-11-01), Klicker et al.
patent: 4577510 (1986-03-01), Bur et al.

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