(under subclass 65) Subject matter wherein the selection of one of plural sound tracks is made without any control of which track is chosen.
(1) Note. The term "random indexing" is sometimes used for these devices, and should be distinguished from random access or selective addressing as described in (1) Note of subclass 30.
(2) Note. The plural tracks may be on a single or on distinct storage elements.
SEE OR SEARCH THIS CLASS, SUBCLASS:
98, for indexing by chance to plural tracks on a single
surface.
178, for indexing by chance to plural storage elements.