Alps Electric Co., Ltd.

Yokohama City Rehabilitation Corporation

Yoshiki Koizumi

Masatoshi Uchio

Takuro Hatakeyama

An input apparatus that allows those who are severely physically handicapped for example to enter characters with comparative ease and minimizes the chance of making error entries. The input apparatus comprising: an optical signal transmitter constituted to be worn on the head of an operator and having a plurality of light-emitting elements for transmitting an optical signal and a breath-operated switch; an image display device on which a cursor is shown; and an optical signal receiver connected to the image display device and having a single light-receiving element for receiving the optical signal and a data processor; wherein the optical signal transmitter, when worn on the operator head, transmits, on the optical signal, a data signal containing switch data to be generated when the breath-operated switch is operated, the optical signal receiver generates coordinate data from positional data indicating a shift of the operator head from a predetermined position in the optical signal transmitter and switch data contained in the data signal according to a reception state of the optical signal coming from the optical signal transmitter and supplies the generated coordinate data to the image display device, and the image display device moves a display position of the cursor according to the positional data contained in the coordinate data and selects a display capability according to the switch data contained in the coordinate data.

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Fukushima-ken, Japan

Yoshiki Koizumi