Patent ID: 6995326

Claim:
An input key which is assigned a plurality of information items to be inputted, comprising: a key top which can incline relative to a support plate for supporting the input key; a key top supported portion provided on an opposite surface in the key top to the support plate and arranged to be pushed together with the key top; a key top supporting portion provided on the support plate, and arranged to come into contact with the key top supported portion during a push on the key top and to support the key top supported portion so as to permit the key top to incline in a state of the contact with the key top supported portion; at least one inclination detector provided in a direction assigned one of the information items to be inputted, on an opposite surface in the support plate to the key top or on the opposite surface in the key top to the support plate; push detecting means for detecting a push on the input key; and inclination direction detecting means for detecting an inclination direction of the key top when the push detecting means detects a push on the input key.