(under subclass 86) Subject matter wherein the transducer is an instrument for reproducing sounds at a distance wherein the sounds are converted into electrical impulses for transmission by wire and whose circuit is independent of the means for illuminating the transducer.
(1) Note. This subclass includes illuminator attachments for a telephone wherein the illuminator includes mechanical switch actuator structure intended to interact with telephone structure such as a switch arm which would engage and be operated by the movement of the telephone receiver.
SEE OR SEARCH THIS CLASS, SUBCLASS:
24, for means to illuminate a telephone dial plate other than just by an external light source placed for general illumination of the telephone as a whole.
SEE OR SEARCH CLASS
379, Telephonic Communications, appropriate subclasses, for specific telephones and systems.
