| 摘要 |
PROBLEM TO BE SOLVED: To provide a mobile phone having a simple configuration.SOLUTION: In a mobile phone, a cartilage conduction oscillation source is disposed inside the center of an upper frame so as to avoid making contact with other parts of the mobile phone by allowing an elastic body to intervene between the upper frame also serving as an antenna for the mobile phone and other parts of the mobile phone. Oscillation of a front face plate is minimized by disposing a both-sides frame having an elastic body intervened between the front face plate and the upper frame. A portion that makes contact with the upper frame of the front face plate is arranged so that it becomes thinner than the portion that makes contact with the both-sides frame. A cartilage conduction as well as required air conduction sound from the upper frame are generated by the contact of either one of both edge corners of the upper frame or the center of the upper frame. An external earphone jack is disposed on the upper side part, and when no external earphone plug is inserted, the part is also oscillated. When an inside camera is used, the cartilage conduction oscillation is stopped. An electric power switch is disposed so as not to make contact with the upper frame. |
