Selecting circuits

Introduced: January 1980

Full Title

Details of electrophonic musical instruments > Selecting circuits

Of 7 combined children, 4 exist in both systems.

3 codes are CPC-only extensions.

IPC defines codes here since 1980.

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G10H 1/181 CPC only CPC only
G10H 1/182 CPC only CPC only
G10H 1/183 +3 CPC CPC only CPC only
G10H 1/20 for transposition since 1980 IPC+CPC Available in IPC and CPC
G10H 1/22 for suppressing tones; Preference networks since 1980 IPC+CPC Available in IPC and CPC
G10H 1/24 for selecting plural preset register stops since 1980 IPC+CPC Available in IPC and CPC
G10H 1/26 for automatically producing a series of tones since 1980 IPC+CPC Available in IPC and CPC