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Brief description of the drawings
FIG. 1 is a plan view showing an embodiment of the microphone pointing direction changing
device according to the present invention, FIG. FIG. 4 is a circuit diagram showing a microphone
switching circuit, and FIG. 4 is a plan view showing a microphone pointing direction changing
apparatus according to another embodiment of the invention. 1 ··· First microphone, 2 · · · Second
microphone, 3 · · · First moving means, 6 · · · Second moving means 4. 7. 9. 18. 19. 22
······ Synchronous drive means.