發明
中華民國
104100498
I 531807
含蔽磁體之磁性元件之識別系統及其方法
國立臺灣大學
2016/05/01
利用基於霍爾效應感測版的磁場攝影技術可以同時解析多個磁性物件的位置資訊。然而,若將多個磁性物件同時放在一平面上時,磁性物件之間會互相吸引或相互排斥,阻礙使用者進行操作。同時,磁性物件的磁場互相靠近時更會彼此合併或相互抵消,造成磁場偵測失效。本發明提供一種含蔽磁體之磁性元件之識別系統及其方法,於磁性元件之蔽磁體內之磁鐵周圍設置遮蔽件,以將磁鐵之磁力線導回該蔽磁體內部。此外,在該磁性元件之識別系統取得該蔽磁體之待識別資料曲線後,能將該蔽磁體之待識別資料曲線與複數組特徵資料曲線進行比對,以定義出該磁性元件的識別碼。藉此,本發明能解決同時偵測多個磁性元件時所會有干擾與難以識別之問題。 Analog Hall sensor grid can track multiple objects on and above devices. However, since nearby magnetics naturally repel or attract each other, magnetic tangibles are deficient in supporting applications that involve multiple tokens. The present invention provides an identification system and method for shielded magnetic units. A shield is provided around the magnet in the shielded magnetic tangible of the magnetic units to guide the magnetic field line of the magnet back into the shielded magnetic tangible. Furthermore, after obtaining a curve of unidentified data of the shielded magnetic tangible from the identification system, comparing the curve of unidentified data of the shielded magnetic tangible with a plurality of curves of characteristic data in order to define the identification code of the shielded magnetic units. Thereby, this invention can solve the problem of interference and difficult identification while simultaneously detecting a plurality of magnetic units.
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