|
| US3933232 | 17 Jun 1974 | 20 Ene 1976 | Tiltman Langley Ltd. | Coin validator |
| US3980168 | 9 Jul 1975 | 14 Sep 1976 | | Method and apparatus for authenticating and identifying coins |
| US3992938 | 20 Nov 1975 | 23 Nov 1976 | | Device for comparative testing of the metallic content of coins or the like |
| US4089400 | 23 Ene 1976 | 16 May 1978 | | Coin testing device |
| US4349095 | 12 Sep 1979 | 14 Sep 1982 | P A Management Consultants Limited | Coin discriminating apparatus |
| US4436196 | 18 Jun 1981 | 13 Mar 1984 | Plessey Overseas Limited | Method of and apparatus for assessing coins |
| US4474281 | 7 Jun 1982 | 2 Oct 1984 | General Signal Corporation | Apparatus and method for coin diameter computation |
| US4483431 | 13 Oct 1981 | 20 Nov 1984 | Harrah's, Inc. | Device for detecting and rejecting invalid coins utilizing a verticle coin chute and multiple coin tests |
| US4509633 | 24 Ago 1983 | 9 Abr 1985 | Reed Industries, Inc. | Electronic coin validator with improved diameter sensing apparatus |
| US4809838 | 15 Jun 1987 | 7 Mar 1989 | Coin Acceptors, Inc. | Coin detection means including a current ramp generator |
| US4936435 | 11 Oct 1988 | 26 Jun 1990 | UniDynamics Corporation | Coin validating apparatus and method |
| US5226520 | 2 May 1991 | 13 Jul 1993 | | Coin detector system |
| US5293980 | 5 Mar 1992 | 15 Mar 1994 | | Coin analyzer sensor configuration and system |
| US5392892 | 13 Abr 1993 | 28 Feb 1995 | NSM Aktiengesellschaft | Device for the measurement of the diameter of circular objects |
| US5404985 | 16 Abr 1993 | 11 Abr 1995 | | Method and apparatus for electronically recognizing and counting coins |
| US5439089 | 1 Sep 1993 | 8 Ago 1995 | | Coin analyzer sensor configuration and system |
| US5460256 | 31 Mar 1994 | 24 Oct 1995 | Coin Acceptors, Inc. | Coin sensor device |
| US5566808 | 9 Sep 1994 | 22 Oct 1996 | Parker Engineering & Manufacturing Co. | Low profile coin analyzer apparatus |
| US6173826 | 22 Nov 1999 | 16 Ene 2001 | Mars Incorporated | Method and apparatus for validating coins |
| US6766892 | 2 Ene 2003 | 27 Jul 2004 | Coinstar, Inc. | Coin discrimination apparatus and method |
| 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 |
| US7635059 | 2 Feb 2000 | 22 Dic 2009 | Imonex Services, Inc. | Apparatus and method for rejecting jammed coins |
| USRE33314 | 7 Jul 1987 | 28 Ago 1990 | Mars Incorporated | Vending machine power switching apparatus |
