JPS58129789

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DESCRIPTION JPS58129789
[0001]
Brief description of the drawings
[0002]
FIG. 1 is a circuit diagram showing an example of use of a conventional accessory device, and
FIG. 2 is a graph showing characteristics before and after being improved in the example of FIG.
FIG. 3 is a circuit diagram showing another example of use of the conventional device, FIG. 4 is a
sectional view showing one embodiment of the device according to the present invention, and
FIG. 5 is an electrical equivalent circuit diagram of the device of the present invention. FIG. 6 is a
circuit diagram showing an example of use of the device of the present invention. 1 ... magnetic
circuit, 3 ... suspension, 5 ... moving coil, G ... magnetic gap.
07-05-2019
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