|
| US3977508 | 2 Jun 1975 | 31 Ago 1976 | Compagnie Generale d'Automatisme | Device for recognizing a category of coins |
| US4091908 | 4 Feb 1977 | 30 May 1978 | Nippon Coinco Co., Ltd. | Coin checking device for a vending machine |
| US4105105 | 20 Sep 1976 | 8 Ago 1978 | Libandor Trading Corporation Inc. | Method for checking coins and coin checking apparatus for the performance of the aforesaid method |
| US4108296 | 22 Mar 1977 | 22 Ago 1978 | Nippon Coinco Co., Ltd. | Coin receiving apparatus for a vending machine |
| US4124111 | 2 Dic 1976 | 7 Nov 1978 | Nippon Coinco Co. Ltd. | Coin inspecting apparatus |
| US4184366 | 26 Jun 1978 | 22 Ene 1980 | | Coin testing apparatus |
| US4234071 | 2 Nov 1978 | 18 Nov 1980 | Compagnie de Signaux et d'Enterprises Electriques | Device for checking metal pieces, particularly coins |
| US4254857 | 15 Sep 1978 | 10 Mar 1981 | H. R. Electronics Company | Detection device |
| US4334604 | 15 Mar 1979 | 15 Jun 1982 | Casino Investment Limited | Coin detecting apparatus for distinguishing genuine coins from slugs, spurious coins and the like |
| US4354587 | 17 Oct 1980 | 19 Oct 1982 | Third Wave Electronics Company, Inc. | Coin acceptor or rejector |
| US4359148 | 28 Oct 1980 | 16 Nov 1982 | Third Wave Electronics Company, Inc. | Coin acceptor or rejector |
| US4361161 | 4 Sep 1981 | 30 Nov 1982 | UMC Industries, Inc. | Coin handling device |
| US4436196 | 18 Jun 1981 | 13 Mar 1984 | Plessey Overseas Limited | Method of and apparatus for assessing coins |
| US4441602 | 2 Dic 1981 | 10 Abr 1984 | | Electronic coin verification mechanism |
| US4574935 | 20 Mar 1984 | 11 Mar 1986 | 501 Starpoint Electrics Limited | Coin checking method and apparatus employing wave train comparison |
| US4574936 | 10 May 1983 | 11 Mar 1986 | Lance Klinger | Coin accepter/rejector including symmetrical dual feedback oscillator |
| US4593245 | 12 Dic 1983 | 3 Jun 1986 | General Electric Company | Eddy current method for detecting a flaw in semi-conductive material |
| US4678994 | 27 Jun 1984 | 7 Jul 1987 | Digital Products Corporation | Methods and apparatus employing apparent resonant properties of thin conducting materials |
| US4846332 | 29 Feb 1988 | 11 Jul 1989 | Automatic Toll Systems, Inc. | Counterfeit coin detector circuit |
| US4905814 | 16 Ago 1988 | 6 Mar 1990 | Coin Mechanisms, Inc. | Coil configuration for electronic coin tester and method of making |
| US4936435 | 11 Oct 1988 | 26 Jun 1990 | UniDynamics Corporation | Coin validating apparatus and method |
| US5097934 | 9 Mar 1990 | 24 Mar 1992 | Automatic Toll Systems, Inc. | Coin sensing apparatus |
| US5226520 | 2 May 1991 | 13 Jul 1993 | | Coin detector system |
| US5244070 | 4 Mar 1992 | 14 Sep 1993 | Duncan Industries Parking Control Systems Corp. | Dual coil coin sensing apparatus |
| US5273151 | 23 Mar 1992 | 28 Dic 1993 | Duncan Industries Parking Control Systems Corp. | Resonant coil coin detection apparatus |
| US5293979 | 10 Dic 1991 | 15 Mar 1994 | Coin Acceptors, Inc. | Coin detection and validation means |
| US5293980 | 5 Mar 1992 | 15 Mar 1994 | | Coin analyzer sensor configuration and system |
| US5379875 | 14 Abr 1994 | 10 Ene 1995 | EB Metal Industries, Inc. | Coin discriminator and acceptor arrangement |
| US5409094 | 23 Sep 1993 | 25 Abr 1995 | | Vending machine for bottled water |
| US5411126 | 17 May 1993 | 2 May 1995 | Landis & Gyr Business Support AG | Coin detector |
| US5439089 | 1 Sep 1993 | 8 Ago 1995 | | Coin analyzer sensor configuration and system |
| US5566808 | 9 Sep 1994 | 22 Oct 1996 | Parker Engineering & Manufacturing Co. | Low profile coin analyzer apparatus |
| US5579887 | 15 Jun 1995 | 3 Dic 1996 | Coin Acceptors, Inc. | Coin detection apparatus |
| US5799768 | 17 Jul 1996 | 1 Sep 1998 | Compunetics, Inc. | Coin identification apparatus |
| US5988348 | 27 Jun 1997 | 23 Nov 1999 | Coinstar, Inc. | Coin discrimination apparatus and method |
| US6015037 | 28 Ene 1998 | 18 Ene 2000 | Compunetics, Inc. | Coin identification apparatus |
| US6047808 | 25 Jun 1997 | 11 Abr 2000 | Coinstar, Inc. | Coin sensing apparatus and method |
| US6056104 | 25 Jun 1997 | 2 May 2000 | Coinstar, Inc. | Coin sensing apparatus and method |
| US6148987 | 20 Ago 1998 | 21 Nov 2000 | Compunetics, Inc. | Coin identification apparatus |
| US6223877 | 29 Jul 1997 | 1 May 2001 | QVEX, Inc. | Coin validation apparatus |
| US6227343 | 30 Mar 1999 | 8 May 2001 | Millenium Enterprises Ltd. | Dual coil coin identifier |
| US6267662 | 12 Abr 2000 | 31 Jul 2001 | Mars Incorporated | Measuring a stack of coins in a coin handling device |
| US6766892 | 2 Ene 2003 | 27 Jul 2004 | Coinstar, Inc. | Coin discrimination apparatus and method |
| US6892873 | 24 Ene 2003 | 17 May 2005 | International Currency Technologies Corporation | Coin detector for use in a coin acceptor |
| US7152727 | 5 Oct 2001 | 26 Dic 2006 | Coinstar, Inc. | Method and apparatus for coin or object sensing using adaptive operating point control |
| US7213697 | 16 Abr 2004 | 8 May 2007 | Coinstar, Inc. | Coin discrimination apparatus and method |
| US7520374 | 12 Abr 2007 | 21 Abr 2009 | Coinstar, Inc. | Coin discrimination apparatus and method |
