A video telephone headset device includes a foundation which supports an image capture device, a support arm, and a convex mirror. When the foundation is held adjacent to a user's head, the support arm positions the convex mirror in a fixed position in front of the user's face. The mirror reflects the...http://www.google.com.tw/patents/US6211903?utm_source=gb-gplus-share專利 US6211903 - Video telephone headset
