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Many coin sensors used in vending machines and the like employ magnetic sensors to distinguish between types of coins and to verify their authenticity (for example, see Patent Document 1). Figure 7 shows an example of a conventional coin sensor 1 that uses such a magnetic sensor. This coin sensor 1 consists of a core 4 with a gap where a coin 2 passes through, around which a first coil 5 and a second coil 6 are wound.
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basic information
【Features】 - It will be possible to provide a coin sensor that has minimal fluctuations in detection output even when the position of the coin changes. - According to the invention of claim 1, the first coil and the second coil each consist of a pair of coils, and these pairs of coils are arranged on both sides of the gap in the coin passage. Therefore, the position of the coin relative to the first coil and the second coil will have a nearly symmetrical relationship, centered around the vicinity of the center of the coin passage. - Since the fluctuations are nearly symmetrical regardless of whether the coin passes slightly to either side, centered around the case where it passes near the center of the coin passage, it is also possible to significantly reduce this fluctuation range compared to conventional methods. ● For other functions and details, please contact us.
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Applications/Examples of results
【Usage】 〇 Vending machines, etc. ● For other functions and details, please contact us.
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We are headquartered in Osaka and are dedicated to daily development and manufacturing alongside skilled technicians.