Patent ID: 11874962
Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 6:
7. A method of operating information input device, the method comprising:
measuring, a measurement electrode in a spectacle frame, an electric signal caused by a movement of an eyelid or an eyebrow of a wearer of the spectacle frame;
detecting, by a distortion detection circuit in the spectacle frame, distortion in the spectacle frame;
determining whether the movement of the eyelid or the eyebrow of the wearer has occurred, based on the electric signal measured by the measurement electrode;
determining that a movement of a face of the wearer has occurred when the distortion detection circuit detects the distortion of the spectacle frame; and
outputting, by an output circuit, a command due to operation of the spectacle frame by the wearer in response to determining that the movement of the eyelid or the eyebrow of the wearer has occurred concurrently with determining that the movement of the face of the wearer has occurred.