CPC Subgroup
H03M 11/20 Dynamic coding, i.e. by key scanning (H03M11/26 takes precedence)
Full Title
Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys (keyboard switch arrangements, structural association of coders and keyboards H01H13/70, H03K17/94) > Dynamic coding, i.e. by key scanning (H03M11/26 takes precedence)