Data entry keyboard

Data entry switch

Decoupled pushbuttons

Deformable switch keyboard

Delay wiper switch

Depression responsive switch unit

Desk-top calculator keyboard switch

Device including a printed circuit board which is contacted by d

Device to identify chords on a keyboard instrument and key mecha

Dial device

Dip switch having single terminal-contact support wafer

Direct keypad backlighting

Directional control device

Display board type switching device

Divergent collapsible seal

Dome switch having contacts offering extended wear

Double actuator elastomeric switch

Double electrical switch

Double pole sliding contact trigger switch with sequential auxil

Double-axis key switch