Patent Translate Powered by EPO and Google Notice This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate, complete, reliable or fit for specific purposes. Critical decisions, such as commercially relevant or financial decisions, should not be based on machine-translation output. DESCRIPTION JPS60174394 [0001] Brief description of the drawings [0002] 1a and 1b are a half sectional view and a side view of a movable coil, FIG. 2 is a microphone sectional view of the present invention, FIG. 3a and by c are sectional views for explaining a conventional example, and FIG. 5A and 5B are a half sectional view and a side view of another embodiment of a movable coil according to the present invention, and FIGS. 5A and 5B are directional frequency characteristic diagrams. 50 100 200 500 cycles: 2K 5K l0Kr number 2) 03-05-2019 1
© Copyright 2021 DropDoc