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Class Information
Number: 194/320
Name: Check-actuated control mechanisms > Including means to test validity of check > By testing material composition > Having magnetic field acting on check
Description: Apparatus wherein the analyzing means comprises a member adapted to produce magnetic lines of force, and a path of travel for the check which intersect the lines of force.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7552810 |
Sensor and method for discriminating coins using fast fourier transform |
Jun. 30, 2009 |
| 7537099 |
Coin discriminator where frequencies of eddy currents are measured |
May. 26, 2009 |
| 7108120 |
Coin inspection method and apparatus therefor |
Sep. 19, 2006 |
| 7104384 |
Method and apparatus for measuring the diameter of coins |
Sep. 12, 2006 |
| 7073654 |
Coin selector for bimetal coins |
Jul. 11, 2006 |
| 7071685 |
Induction sensor using printed circuit |
Jul. 4, 2006 |
| 6957732 |
Vending machine having direct data link to cash dispenser |
Oct. 25, 2005 |
| 6742644 |
Note acceptor-dispenser validator |
Jun. 1, 2004 |
| 6705448 |
Method and apparatus for validating currency |
Mar. 16, 2004 |
| 6675948 |
Method and apparatus for taking out information using magnetic sensor and carrying out test of article by using that information |
Jan. 13, 2004 |
| 6667615 |
Coin identifying device using magnetic sensors |
Dec. 23, 2003 |
| 6600313 |
Device for reading an elongate magnetic data carrier |
Jul. 29, 2003 |
| 6539083 |
Inductive coin validation system and payphone using such system |
Mar. 25, 2003 |
| 6378685 |
Coin-receiving device |
Apr. 30, 2002 |
| 6310475 |
Magnetic sensor having magnetic detectors arranged in a direction orthogonal to a relative moving direction |
Oct. 30, 2001 |
| 6288538 |
Recess and protrusion surface detecting device for an object and for coin identification |
Sep. 11, 2001 |
| 6057683 |
Induction sensor having conductive concentrator with measuring gap |
May. 2, 2000 |
| 5609235 |
Coin mechanism with magnetic coin discriminator |
Mar. 11, 1997 |
| 4676358 |
Coin control system |
Jun. 30, 1987 |
| 4591042 |
Coin machine for a newspaper, magazine, food or other item dispensing apparatus |
May. 27, 1986 |
| 4548220 |
Device for checking metal pieces, more particularly coins |
Oct. 22, 1985 |
| 4469213 |
Coin detector system |
Sep. 4, 1984 |
| 4437558 |
Coin detector apparatus |
Mar. 20, 1984 |
| 4398626 |
Low frequency phase shift coin examination method and apparatus |
Aug. 16, 1983 |
| 4361218 |
Coin testing apparatus |
Nov. 30, 1982 |
| 4234071 |
Device for checking metal pieces, particularly coins |
Nov. 18, 1980 |
| 4106608 |
Gate assembly for a coin selecting and separating device |
Aug. 15, 1978 |
| 3992938 |
Device for comparative testing of the metallic content of coins or the like |
Nov. 23, 1976 |
| 3980168 |
Method and apparatus for authenticating and identifying coins |
Sep. 14, 1976 |
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