Position detecting switch-combined electronic control unit for a

Details Position detecting switch-combined electronic control unit for a Position detecting switch-combined electronic control unit for a

1997-11-21

2000-02-01

Cuchlinski, Jr., William A.

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Transmission control

701 55, 701 62, 701 87, 477 34, 477 97, 477166, 318 3, 318 9, 318159, G06F 1500

Patent

active

06021368&

ABSTRACT:
A compact-sized position detecting switch-combined electronic control unit disposed on the main body of an automatic transmission and used for detecting range positions chosen by a driver during a shifting operation. The control unit has a base board on which a plurality of elements are arranged, including a microcomputer containing an automatic transmission control program, and a position detecting switch whose detecting portion is connected to the microcomputer. The base board and the position detecting switch are disposed in a single case. The position detecting switch has a rotor and a plurality of non-contact sensors disposed on the base board. The microcomputer contains a learning control program for calculating and correcting any positional deviation in the rotational angle of the rotor with respect to each sensor on the basis of signals from the sensors corresponding to rotation of the rotor. Some of the elements on the base board are arranged outside the range of rotation of the rotor.

REFERENCES:
patent: 4499542 (1985-02-01), Hamajima et al.
patent: 4517646 (1985-05-01), Magnusson et al.
patent: 4523281 (1985-06-01), Noda et al.
patent: 5005687 (1991-04-01), Kurihara et al.
patent: 5140871 (1992-08-01), Goto et al.

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