Patent ID: 7746323

Claim:
A 5-direction key operating device in which diaphragms respectively corresponding to five directions are proximately arranged in a shape of a cross, which comprises pushers corresponding to the five directions on a key core face opposed to the diaphragms, and in which a single key is enabled to perform key operations of the five directions, and characterized in that each of diaphragm contacts which are disposed on a printed circuit board opposed to the diaphragms is structured to have a first contact, and at least one second contact surrounding the first contact, at least one strip-like contact portion which are elongated from each of the second contact to a side opposite to a side of the first contact is disposed in the second contact, and the diaphragm contacts are arranged on the printed circuit board in a shape of a cross correspondingly with the five directions with tilting the strip-like contact portions of the diaphragm contacts by about 45 degrees to vertical and horizontal directions.