Input arrangements using manually operated switches, e.g. using keyboards or dials

Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements > Input arrangements or combined input and output arrangements for interaction between user and computer > Input arrangements using manually operated switches, e.g. using keyboards or dials

Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements > Input arrangements or combined input and output arrangements for interaction between user and computer (G06F3/16 takes precedence) > Input arrangements using manually operated switches, e.g. using keyboards or dials