| 摘要 |
PROBLEM TO BE SOLVED: To provide a telephone call device that can be miniaturized, while using a plurality of microphones. SOLUTION: The telephone call device has a casing A1 for storing a speaker SP for outputting sound information transmitted via an information line L2, the microphones M1, M2 for collecting sound for outputting sound signal, and a signal processing section 35e for performing signal processing on each sound signal outputted by the microphones M1, M2 for transmission via the information line L2. The microphones M1 and M2 are arranged at the front and at the rear sides of a diaphragm 74, respectively, of the speaker SP. COPYRIGHT: (C)2007,JPO&INPIT |
