| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a handset having a function as a handset and also having a function as a headset that can be easily mounted on an ear by utilizing an ear hook. <P>SOLUTION: A handset 1 includes a handset body part 20 with a microphone 8 and a speaker 2 disposed at both ends, and the handset body part 20 includes a holding part 24 which is freely abutted to a cheek part of a user, and an ear hook 30 with a circular hole portion 35 formed as an attaching/detaching hole for freely attaching and detaching the handset body part 20 to/from an ear of the user. Also, a distance L is set as the positional relation of a first fulcrum P<SB POS="POST">1</SB>(abutting point) for supporting the handset body part 20 of the handset 1 by the ear hook 30 and the centroid of the handset 1 so that the handset body part 20 is turned in the direction of the cheek part of the user when the ear hook 30 is attached to the ear. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
