Magnetic coin element sensor

Details Magnetic coin element sensor Magnetic coin element sensor

1976-07-23

1978-11-07

Rolla, Joseph J.

Check-actuated control mechanisms

Including noncontacting, relatively movable parts connected...

194 1N, 324200, G07F 302

Patent

active

041241100

ABSTRACT:
A magnetic coin element sensor for sensing, detecting and identifying coin elements and the like interposed in a magnetic field wherein the metallurgical structure of each interposed coin element causes an identifiable change in the magnetic field responsive to the metallurgical structure of the interposed coin element and uniquely indicative of the interposed coin element, the change in the magnetic field being sensed, detected and utilized to uniquely identify each of the interposed coin elements. The magnetic coin sensor is particularly useful for identifying coins deposited in a coin handling apparatus such as a vending machine, a coin telephone or the like.

REFERENCES:
patent: 1839874 (1932-01-01), Gottfried
patent: 2161635 (1939-06-01), Prokopenko
patent: 2390147 (1945-12-01), Hatton
patent: 2891112 (1959-06-01), Lamb et al.
patent: 3065412 (1962-11-01), Rosenthal
patent: 3837454 (1974-09-01), Joeck
patent: 3933232 (1976-01-01), Searle et al.
patent: 3952851 (1976-04-01), Fougere et al.
patent: 3977508 (1976-08-01), Baumberger

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