CPC Main Group G10H 1/00 Details of electrophonic musical instruments 9 direct subcodes Child Classifications Navigate with arrow keys, Enter to open G10H 1/0008 G10H 1/0033 G10H 1/0091 G10H 1/02 Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos G10H 1/18 Selecting circuits G10H 1/32 Constructional details G10H 1/36 Accompaniment arrangements G10H 1/44 Tuning means G10H 1/46 Volume control