Rotation sensing device for detecting a fine displacement of a h

Details Rotation sensing device for detecting a fine displacement of a h Rotation sensing device for detecting a fine displacement of a h

1994-02-25

1995-11-28

Peng, John K.

Communications: electrical

Condition responsive indicating system

Specific condition

361296, 3612981, G08B 2100

Patent

active

054712025

ABSTRACT:
A rotation sensing device for detecting a fine displacement of a handle and control system for use in an electrical power steering device in vehicles and a motor driving device in industrial machines. The rotation sensing device has a fixing member with a support plate and a plurality of polarity plates fixed to one side of the support plate at a predetermined interval, and a dielectric member with a plurality of dielectric plates fixed to one side of a handle shaft of the handle at a predetermined interval and movingly inserted into the interval between each of the polarity plates. Therefore, the capacitance of the dielectric member can be variable based on a mechanical displacement of the handle.

REFERENCES:
patent: 3700983 (1972-10-01), Goetzl
patent: 3854181 (1974-12-01), Matsuwake et al.

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