Electronic assemblies; Electronic audio apparatus; Electronic control circuits; Electronic control units; Electronic devices for transmitting data; Electronic interfaces; Electronic logic circuits; Electronic mixers for mixing signals; Electronic mixers for mixing signals in the production of audio recordings; Electronic remote control units (other than remote controls for toys); Electronic signal processing apparatus; Electronic signal processing apparatus for musical instruments; Control apparatus (time clocks); Control apparatus for audio signals; Control apparatus for computers; Control apparatus for electric indoor light installations; Control boxes for headphones; Control circuits; Control panels comprising electrical apparatus; Controller circuit boards; Digital controllers; Electric control apparatus; Electric control apparatus for lights; Electric control installations; Lighting control apparatus; Microprocessor control circuits; Mouse controllers; Peripheral control devices for computers; Radio control units; Radio remote control apparatus (other than remote control apparatus for toys); Remote control units for computers; Stage lighting controls