Masami Matsumura

Linear positional displacement detector for detecting linear displacement of a permanent magnet as a change in direction of magnetic sensor unit

Vehicle speed governor

Magnetic position detector with a molded radiation shield

Photointerruptor for use in light-transmission type rotary encoder

Optical rotary encoder having large and small numerical aperture fibers

Automotive engine control system with rotary encoder indexing

Linear displacement position detector - has encapsulated magnetoresistive sensor element in electromagnetically screened chamber with bar magnet activation

Optical rotary encoder with indexing

Rotational angle signal generating system for internal combustion engines

Crank angle detecting device for a multi-cylinder internal combustion engine