[ apparatus and instruments, all for recording and reproducing sound or images; namely, gramophone and record turntables, pick-up arms, pick-up cartridges and styli, all being parts of sound reproducing apparatus, amplifiers, integrated audio amplifiers, power amplifiers, stereo tuners and signal tuners; compact disc players; loud speakers and enclosures adapted for loud speakers; acoustic diaphragms for loud speakers, computers, computer peripherals, integrated circuits; circuit boards, calc...

Positional encoders, namely, linear encoders and angle encoders; scales; apparatus for processing position measurement data, in particular, counters for counting periods and subdivided periods of incremental position encoders, interpolation and digitalization electronics, namely, interpolators for subdividing signals generated by position encoders, and measurement data displays in the nature of liquid crystal displays

A MINIATURE AUXILIARY KEYBOARD DESIGNED TO FACILITATE AND ENHANCE THE USE OF MAIN KEYBOARDS AND SOFTWARE