Adjustment operating apparatus

Apparatus for magnetically transfering control information...

Computer keyboard with dial for entering repetitive data and com

Control device suitable for use in an apparatus for reproducing

Curved surface signal pick-up device

Data input device for portable terminal

Digital switch with analog feel

Electronic combination lock with high security features

Instrument panel

Method and apparatus for facilitating user interaction with...

Multichannel coder of single-channel structure

Operational parameter non-linear regulation process and circuitr

Printed circuit rotary switch with decoder

Regulation control device with an encoder and its encoder...

Rotary controller for electrical or electronic apparatuses

Rotary knob structure