Gearshift device for automatic transmission

Details Gearshift device for automatic transmission Gearshift device for automatic transmission

2006-06-14

2009-06-30

Pang, Roger (Department: 3655)

Machine element or mechanism

Gearing

Interchangeably locked

C074S473100

Reexamination Certificate

active

07552659

ABSTRACT:
A gearshift device includes a gearshift lever adapted to move a plurality of gear selection positions, and a gear selection position detecting unit which detects a gear selection position. The gear selection position detecting unit has a magnet plate disposed at a lower end portion of the gearshift lever and movable in accordance with a movement of the gearshift lever and primary magnetic sensors and at least one secondary magnetic sensor, which are disposed so as to oppose to the magnet plate in a non-contact fashion at predetermined positions based on the individual gear selection positions. The primary magnetic sensor detects magnetic flux density and outputs ON/OFF signals in accordance with intensity of the detected magnetic flux density The secondary magnetic sensor detects magnetic flux density and outputs an output value according to the detected magnitude of the magnetic flux density.

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