A TWIST-GRIP CONTROL DEVICE, IN PARTICULAR FOR MOTOR VEHICLES |
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| 申请号 | PCT/IB2007052846 | 申请日 | 2007-07-17 | 公开(公告)号 | WO2008010186A8 | 公开(公告)日 | 2008-10-16 |
| 申请人 | BITRON SPA; CAVALLO EMANUELE; | 发明人 | CAVALLO EMANUELE; | ||||
| 摘要 | The device (1) comprises: a stator portion (2) which is stationary in operation, a rotor portion (3) which may be gripped and which is mounted such that it can be manually rotated about an axis (A-A) with respect to the stator portion (2), against the action of an opposing spring (13), a first and a second permanent magnet (11a, 11b) connected to the rotor portion (3) in respective separate angular fields about said axis (A-A) and adapted to generate respective predetermined angular distributions of magnetic field intensity about said axis (A-A), first and second magnetic field sensors (14a, 14b) connected to the stator portion (2) in respective separate angular positions about said axis (A-A), and associated with the first and second permanent magnets (11a, 11b) respectively in order to provide, when the rotor portion (3) is rotated by a certain angle with respect to the stator portion (2), respective first and second electrical signals indicative of the relative angular position of the rotor portion (3). These signals are correlated with one another in a predetermined relationship such that one of the signals may be used as a control signal indicative of the extent of an associated controlled physical magnitude desired by the user, and the other signal may be used as a control signal adapted to enable the detection of the occurrence of operating malfunctions or failures when these signals are no longer correlated with one another in the predetermined relationship. | ||||||
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