| 摘要 |
PROBLEM TO BE SOLVED: To provide a cellular phone of easy configuration.SOLUTION: An air conduction speaker being vibrated by an audio signal from a sound source is supported without contact with other configurations of a cellular phone, and transmits reaction of vibration to a cartilage conduction part at an upper corner of the cellular phone. In the case of an electromagnetic speaker, the yoke is supported and reaction of a diaphragm is transmitted to the cartilage conduction part. In the case of a piezoelectric bimorph speaker, the diaphragm is provided at a free vibration part, and reaction of a support part is transmitted to the cartilage conduction part. A hole for passing an air conduction sound is provided near the air conduction speaker. A pedestal for supporting the air conduction speaker is provided in the center of the upper frame, and both ends of the upper frame serve as the cartilage conduction part. |
