A sign language video presentation device, a sign language video input/output device, and a sign language interpretation system using the same enabling a deaf-mute person to get explanation by sign language while viewing the outer world by freely shifting his/her sight line are provided. ??The sign language video presentation device includes a display device (12) for displaying a sign language video, a fixing device (13) for fixing the display device (12) in front of the eyes of the deaf-mute person, and a videophone connection device (16) for supplying the display device (12) with a sign language video being received by a videophone terminal (10). ??The sign language video input/output device includes a sign language imaging camera (14) for picking up the sign language of the deaf-mute person to the sign language video presentation device and a waist fixing device (15) for fixing the sign language imaging camera (14) at the waist of the deaf-mute person, so that the sign language of the deaf-mute person picked up by the sign language imaging camera (14) is supplied to the video telephone terminal (10). The sign language interpretation system (100) provides a sign language interpretation service when a deaf-mute person converses with a non-deaf-mute person by using the sign language video input/output device. IMAGE
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