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 JPS5885888 [0001] Brief description of the drawings [0002] 1 and 2 are front and side views showing a first example of a conventional piezoelectric vibrator, FIGS. 3 and 4 are front and side views showing a second example, and FIG. 5 is FIG. 6 and 7 are a longitudinal sectional view and a side view showing an example of a piezoelectric vibrator according to the present invention, FIG. 8 is a connection diagram showing its drive control circuit, and FIG. 9 is a piezoelectric Signal waveform diagrams for explaining the vibration operation of the element, FIGS. 10 and 11 are longitudinal sectional view and side view showing another embodiment of the piezoelectric vibrator according to the present invention, and FIGS. FIG. 14 is a front view and a side view showing still another embodiment of the piezoelectric vibrator according to the invention, FIG. 14 is a circuit diagram showing another modification, and FIG. 15 is a curve for explaining the other modification. . DESCRIPTION OF SYMBOLS 1 ... Piezoelectric vibrator, 2 ... Drive element, 3.4 .. Drive electrode, 5 ... Detection element, 6 ... Detection electrode, 8 ... Resistance for detection, 15 ... · Piezoelectric vibrator, 16 · · · Piezoelectric element, 17. 18 · · · Drive electrode, 20 · · · Detection electrode, 21 · · · Drive control circuit, 25 · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · drive control circuit, 25 · · · · · · · · · · · · · · · · · · · · · · · · · Shift circuit, 27: amplifier. Fig. 7 r----! b 9 @ 兜: i't tt knee +1-20 to 27 $ 6 @ 12 Figure 牟 13 04-05-2019 1
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