Check-actuated control mechanisms – Including electric circuit with switch operated by check – And holding circuit responsive to operation of switch
Patent
1993-04-16
1995-04-11
Huppert, Michael S.
Check-actuated control mechanisms
Including electric circuit with switch operated by check
And holding circuit responsive to operation of switch
194244, G07F 502, G07F 510
Patent
active
054049857
ABSTRACT:
A method and apparatus for recognizing and counting coins is disclosed. In one aspect, the apparatus is battery powered and includes a magnet which moves between two positions upon a coin moving along a coin path. Movement of the magnet activates a reed switch that wakes up a microprocessor controlled circuit from a low power quiescent state. The circuit is then operable to count the coin and to then take appropriate action. In another aspect, the apparatus includes a second magnet located near the coin path and opposite a second reed switch. This magnet keeps the contacts of the reed switch closed until a ferromagnetic object passes therebetween and shunts the magnetic field away from the reed switch. A photointerrupter is used to detect U.S. coin currency and other non-ferromagnetic objects not detected via the second reed switch. Thus, the apparatus can distinguish ferromagnetic objects from U.S. coin currency by the method of not detecting opening of the second reed switch, but detecting an object with the photointerrupter. Also disclosed is a method for identifying the particular type of coin moving along the coin path. Further, there is disclosed a battery powered apparatus used with a conventional coin separator to count coins.
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Huppert Michael S.
Lowe Scott L.
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