Keypad for key board of telephone apparatus, has portable contact unit projecting above slide, where slide is attached to keys and to force storage above housing, and contact surface of printed circuit board and diode facing contact unit

摘要

The keypad has a portable contact unit (96) movable relative to a printed circuit board that is attached to keys (62). The keys are attached to a switch, which exhibits an axially movable slide (100) accommodated in a housing (72). The contact unit projects above the slide, where the slide is attached to the key and to a force storage (128) above the housing. A contact surface of the printed circuit board and a diode face the contact unit.