H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
H04L17/00—Apparatus or local circuits for transmitting or receiving codes wherein each character is represented by the same number of equal-length code elements, e.g. Baudot code
H04L17/16—Apparatus or circuits at the receiving end
H04L17/24—Apparatus or circuits at the receiving end using mechanical translation and type-head printing, e.g. type-wheel, type-cylinder
Dispositif d'enregistrement d'un message sonore sur la surface interieure d'un anneau, dispositif de lecture correspondant et anneau ainsi enregistre
