Keyboard assembly and components therefor

Keyboard assembly for electronic musical instruments

Keyboard assembly having highly waterproof key switches

Keyboard assembly including circuit membrane switch array

Keyboard assembly incorporating multiple lighting modes for impr

Keyboard assembly superior in assemblability

Keyboard assembly with overlapped flexible printed circuit cable

Keyboard circuit apparatus

Keyboard construction

Keyboard design

Keyboard device

Keyboard device

Keyboard for the control box of an electric apparatus

Keyboard having low profile modular keys

Keyboard having lower casing with integral upraised portion for

Keyboard having switches with tactile feedback

Keyboard having switches with tactile feedback

Keyboard membrane switch having threshold force structure

Keyboard of a membrane contact type

Keyboard of membrane switches with tactile feedback