This class covers generally all sound-emitting devices, whether or not they may be considered as being musical.
The term "musical instrument", used in this class, should not be understood as excluding devices emitting a single sound signal.
For the convenience of users, the following Class Index is given in place of Sub-class Indexes, to show the grouping of the elaborations belonging to different sub-classes, under the three fundamental types:
Wind instruments
String instruments
Percussion instruments
which relate clearly to the majority of instruments.
Details of, or accessories for, automatic musical instruments
G10F 5/02
·
Actions
G10F 5/04
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Tune barrels, sheets, rollers, spools, or the like
G10F 5/06
· ·
Driving or setting of tune barrels, discs, or the like; Winding, rewinding, or guiding of tune sheets or the like (handling webs or sheets in general Fulltext... Hierarchy... Expanded...B65H)