G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
G10H3/00—Instruments in which the tones are generated by electromechanical means
G10H3/03—Instruments in which the tones are generated by electromechanical means using pick-up means for reading recorded waves, e.g. on rotating discs drums, tapes or wires
G10H3/06—Instruments in which the tones are generated by electromechanical means using pick-up means for reading recorded waves, e.g. on rotating discs drums, tapes or wires using photoelectric pick-up means
Dispositif de lecture et/ou écriture d'une bande auxiliaire d'un film cinématographique, notamment d'une bande de son, et tête d'éclairage pour ce dispositif