(under subclass 8) Subject matter wherein significance is attributed to a means for imparting information relative either to data within the system*, or a condition of the terminal*, to the user* (e.g., a monitor providing visual output, a sound system providing audible output, etc.).
SEE OR SEARCH CLASS
84, Music,
600+, for a device for converting electric currents or potentials into sound vibrations for the production of musical tones.
340, Communications: Electrical, appropriate subclass for electrical systems adapted for communication with a user, particularly
815.4+, for a visual indicator; and subclasses 384.1+ for an electronic audible indicator.
1+, for visual display systems with selective electrical control. 704, Data Processing: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression,