Keyboard electric musical instrument

Claim 1

IN AN ELECTRICAL MUSICAL INSTRUMENT HAVING A KEYBOARD, A BASE THEREFOR, AND INCLUDING AN ELECTRICAL SOUND FREQUENCY MASTER OSCILLATOR, FREQUENCY DIVIDES COUPLED TO THE OUTPUT OF THE MASTER OSCILLATOR, FREQUENCY FILTERS COUPLED TO THE FREQUENCY DIVIDERS FOR SHAPING THE WAVE FORM TO PROVIDE A DESIRED TIMBRE OF THE SOUND, AND MEANS FOR CONVERTING THE ELECTRICAL OSCILLATIONS TO SOUND WAVES, THE IMPROVEMENT COMPRISING MEANS FOR OBTAINING VIBRATORY SOUND EFFECTS BY VIBRATIONS OF THE KEYS OF THE KEYBOARD BY THE FINGERS OF A PERFORMER, SAID MEANS INCLUDING MEANS MOUNTING THE KEYS OF THE KEYBOARD FOR VERTICAL MOVEMENT AND HORIZONTAL MOVEMENT RELATIVE TO AND LENGTHWISE OF THE KEYBOARD, SAID MEANS MOUNTING THE KEYS INCLUDING SPRING MEANS CONNECTING THE REAR PORTION OF EACH KEY TO THE KEYBOARD BASE TO PERMIT SAID VERTICAL AND HORIZONTAL MOVEMENT OF THE KEYS, THE REAR PORTION OF THE KEYS BEING WIDER THAN THE REMAINING PORTIONS THEREOF, THE REAR PORTIONS OF ALTERNATE KEYS OVERLAPPING THOSE OF ADJACENT KEYS, AN ELONGATED BAR MEMBER BENEATH THE KEYBOARD EXTENDING ALONG THE LENGTH THEREOF AND SERVING AS A SEAT FOR THE KEYS WHEN DEPRESSED BY THE FINGERS, FLEXIBLE MEANS MOUNTING THE BAR MEMBER FOR VIBRATORY MOVEMENTS LENGTHWISE OF THE KEYBOARD BY A KEY WHEN SEATED THEREON, MEANS OPERATED BY THE MECHANICAL VIBRATIONS OF THE BAR MEMBER FOR DERIVING AN OSCILLATING VOLTAGE OF A FREQUENCY CORRESPONDING TO THE VIBRATIONS OF THE BAR MEMBER, AND MEANS FOR APPLYING SAID OSCILLATING VOLTAGE TO THE INPUT OF SAID SOUND FREQUENCY OSCILLATOR TO FREQUENCY MODULATE THE LATTER AT THE FREQUENCY OF THE MECHANICAL VIBRATIONS.