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| Number | Title | Issue Date |
| 7798304 | Coin dispensing apparatus A coin dispensing apparatus is provided which can detect a dispensed coin without lowering a dispensation speed of coins, even dispensed small-diameter coins without lowering a dispensation speed without damaging a coin detecting device. The coin dispensing apparatu... | 09/21/2010 |
| 7025190 | Coin validation by signal processing A method of validating coins which includes a piezoelectric element to convert movement caused by the collision of a coin to a signal and a processor to analyse the signal. The signal is digitized to produce a sequence of values. The processor analyses portions of t... | 04/11/2006 |
| 6902050 | Coin mechanism of simplified construction and method of coin validity testing and vending machine operation The validity of a coin is tested in a coin mechanism typically used for vending products. A test arm which is integrally and resiliently connected to a back plate contacts a coin when the coin wheel is rotated, and the test arm resiliently deflects in response to co... | 06/07/2005 |
| 6425471 | Coin selector Improved coin selector of the type being incorporated in any kind of machines operated by means of the insertion of coins to be validated, the selector (1) comprising an anti-thread safety mechanism constituted by a generally L-shaped lever (3) that is po... | 07/30/2002 |
| 5797475 | Coin validation Coin validation apparatus comprising a coin path (2, 5, 6); an impact element (14) disposed in the coin path to be contacted by a coin (10); an impact transducer (8) arranged to generate an output signal in dependence on vibration of the impact element (1... | 08/25/1998 |
| 4733766 | Coin checking apparatus The arrival of a coin in a coin checking apparatus is detected by arranging for the coin to hit a member (16). The vibration caused by the impact causes a piezoelectric element (36,36a) to give a transient output signal which is used to switch on electron... | 03/29/1988 |
| 4096933 | Coin-operated vending systems A coin-operated vending machine accepts any combination of valid coins which are deposited and automatically returns the correct change when the merchandise is dispensed. The amount of change represents the difference between the total value of the accept... | 06/27/1978 |
| 3944038 | Energy dissipating device for coin handling mechanisms A device for dissipating the kinetic energy that causes bouncing which might otherwise effect the results of the coin tests in coin handling apparatus. The device consists of a piece of very hard material such as sintered aluminum oxide which is mounted o... | 03/16/1976 |
