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Class Information
Number: 194/318
Name: Check-actuated control mechanisms > Including means to test validity of check > By testing material composition > Having electric circuit influenced by check > Passing between transmitting and receiving coils
Description: Apparatus including a pair of inductive coils at different potentials, each having a plurality of conductive turns, and an electric field created by current flowing from one to the other, wherein the check enters the electric field.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7549526 |
Coin identifying sensor and a coin selector with coin identifying apparatus |
Jun. 23, 2009 |
| 7520374 |
Coin discrimination apparatus and method |
Apr. 21, 2009 |
| 7481428 |
Paper leaf detecting device |
Jan. 27, 2009 |
| 7464802 |
Method and apparatus for conditioning coins prior to discrimination |
Dec. 16, 2008 |
| 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 |
| 7048108 |
Currency validation apparatus and method |
May. 23, 2006 |
| 6892873 |
Coin detector for use in a coin acceptor |
May. 17, 2005 |
| 6739444 |
Inductive coin sensor with position correction |
May. 25, 2004 |
| 6685000 |
Coin discrimination method and device |
Feb. 3, 2004 |
| 6668999 |
Coin sensor |
Dec. 30, 2003 |
| 6536578 |
Sensor for coin acceptor |
Mar. 25, 2003 |
| 6499581 |
Coin discriminating apparatus |
Dec. 31, 2002 |
| 6471030 |
Coin sensing apparatus and method |
Oct. 29, 2002 |
| 6404090 |
Apparatus for obtaining certain characteristics of an article |
Jun. 11, 2002 |
| 6382386 |
Eddy-current sensor for coin evaluation |
May. 7, 2002 |
| 6325197 |
Method and device for checking coin for forgery |
Dec. 4, 2001 |
| 6305523 |
Coin discriminating apparatus |
Oct. 23, 2001 |
| 6298973 |
Multiple coin analyzer system |
Oct. 9, 2001 |
| 6173826 |
Method and apparatus for validating coins |
Jan. 16, 2001 |
| 6098777 |
Method and apparatus for discriminating different coins in free fall |
Aug. 8, 2000 |
| 6098778 |
Coin collecting mechanism with top coin slot and coin return function |
Aug. 8, 2000 |
| 6015037 |
Coin identification apparatus |
Jan. 18, 2000 |
| 5992603 |
Coin acceptance mechanism and method of determining an acceptable coin |
Nov. 30, 1999 |
| 5871075 |
Coin sorting machine |
Feb. 16, 1999 |
| 5808466 |
Process and device for high speed measurement and characterization of magnetic materials |
Sep. 15, 1998 |
| 5799768 |
Coin identification apparatus |
Sep. 1, 1998 |
| 5788047 |
Coin collecting machine |
Aug. 4, 1998 |
| 5767506 |
Optical coin sensing station having a passageway and beam splitters |
Jun. 16, 1998 |
| 5743373 |
Coin discrimination sensor and coin handling system |
Apr. 28, 1998 |
| 5743372 |
Coin discriminating apparatus |
Apr. 28, 1998 |
| 5697484 |
Electronic coin-collecting mechanism |
Dec. 16, 1997 |
| 5687830 |
Item discrimination apparatus and method |
Nov. 18, 1997 |
| 5647469 |
Coin sorting device |
Jul. 15, 1997 |
| 5614824 |
Harmonic-based verifier device for a magnetic security thread having linear and non-linear ferromagnetic characteristics |
Mar. 25, 1997 |
| 5573100 |
Device for checking metallic pieces, in particular coins |
Nov. 12, 1996 |
| 5568855 |
Coin detector and identifier apparatus and method |
Oct. 29, 1996 |
| 5568854 |
Coin discrimination method |
Oct. 29, 1996 |
| 5507379 |
Coin handling system with coin sensor discriminator |
Apr. 16, 1996 |
| 5489015 |
Coin discrimination apparatus |
Feb. 6, 1996 |
| 5480019 |
Coin-distinguishing method and apparatus therefor |
Jan. 2, 1996 |
| 5476168 |
Coin validator |
Dec. 19, 1995 |
| 5462151 |
Method and apparatus for coin validation |
Oct. 31, 1995 |
| 5458225 |
Coin discriminating apparatus |
Oct. 17, 1995 |
| 5452785 |
Coin diameter discriminating apparatus |
Sep. 26, 1995 |
| 5442348 |
Computerized parking meter |
Aug. 15, 1995 |
| 5433310 |
Coin discriminator with offset null coils |
Jul. 18, 1995 |
| 5431270 |
Coin accepting apparatus |
Jul. 11, 1995 |
| 5351798 |
Coin discrimination apparatus and method |
Oct. 4, 1994 |
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