| 摘要 |
A vehicle transmission mounted pulse generator module having a through drive shaft for driving a conventional speedometer cable, a rotor permanent magnet driven by the shaft with predetermined angular freedom therebetween for magnetically indexing the rotor magnet for useable signal generation at low speeds and a coaxial pickup coil assembly encircling the shaft and axially offset from the rotor magnet and compactly mounted with the rotor magnet within a housing sleeve inserted within a transmission housing bore to be driven for generating a pulse for each predetermined increment of travel of the associated vehicle.
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