Patent ID: 6940487

Claim:
An input unit comprising: a sensor which detects a displacement; a plate-like main unit supporting said sensor; a finger support member pivotally coupled to said main unit; said sensor, said main unit, and said finger support member defining a plate-like structure when said finger support member is pivoted inline with said main unit; at least two open-close members, pivotally coupled to said main unit, each open-close member having a different switch coupled thereto; said sensor, said main unit, said finger support member, and said open-close member defining a plate-like structure when said finger support member and said open-close member are pivoted inline with said main unit, wherein operation of the respective switches of said open-close members is effected by sandwiching said finger support member between two provided fingers, wherein said switches are operable when the provided finger tips are placed between said main unit and said finger support member such that a user's fingers support said finger support member in a pivoted open state, wherein the plate-like structure is stowable in a card slot of an information processing unit.