Patent ID: 7961150
Filing Date: 2011-06-14
Classification: G06F,H01Q,H04N

Abstract:
1. A TV antenna which functions as an input pen used for a portable terminal apparatus with a display/input section capable of displaying a TV image and receiving an input from a touch panel, the TV antenna comprising: a main pen body configured as a cylindrical body portion of the TV antenna which functions as the input pen; a contact input portion which is fixed at one end of the main pen body in order to contact with the display/input section to provide input; and a movement lock concavity which is located at a fixation region between the main pen body and the contact input portion in order that the portable terminal apparatus detachably supports the TV antenna which functions as an input pen; wherein the main pen body, the contact input portion and the movement lock concavity all have rotationally symmetric shapes.