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The ornamental design for a piezoelectric actuator, as shown and described. |
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FIG. 1 is a front elevational view of a piezoelectric actuator showing our new design, the rear being a mirror image thereof;
FIG. 2 is a left side elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a front elevational view of a second embodiment of a piezoelectric actuator showing our new design, the rear being a mirror image thereof;
FIG. 7 is a left side elevational view thereof;
FIG. 8 is a right side elevational view thereof;
FIG. 9 is a top plan view thereof;
FIG. 10 is a bottom plan view thereof;
FIG. 11 is a front elevational view of a third embodiment of a piezoelectric actuator showing our new design, the rear being a mirror image thereof;
FIG. 12 is a left side elevational view thereof;
FIG. 13 is a right side elevational view thereof;
FIG. 14 is a top plan view thereof;
FIG. 15 is a bottom plan view thereof;
FIG. 16 is a front elevational view of a fourth embodiment of a piezoelectric actuator showing our new design, the rear being a mirror image thereof;
FIG. 17 is a left side elevational view thereof;
FIG. 18 is a right side elevational view thereof;
FIG. 19 is a top plan view thereof;
FIG. 20 is a bottom plan view thereof;
FIG. 21 is a front elevational view of a fifth embodiment of a piezoelectric actuator showing our new design, the rear being a mirror image thereof;
FIG. 22 is a left side elevational view thereof;
FIG. 23 is a right side elevational view thereof;
FIG. 24 is a top plan view thereof; and,
FIG. 25 is a bottom plan view thereof.
Ohya, Kazumasa, Inoi, Takayuki, Hamada, Kiyotak
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jul 30 1992 | INOI, TAKAYUKI | NEC Corporation | ASSIGNMENT OF ASSIGNORS INTEREST | 006224 | /0913 | |
| Jul 30 1992 | OHYA, KAZUMASA | NEC Corporation | ASSIGNMENT OF ASSIGNORS INTEREST | 006224 | /0913 | |
| Jul 30 1992 | HAMADA, KIYOTAKA | NEC Corporation | ASSIGNMENT OF ASSIGNORS INTEREST | 006224 | /0913 | |
| Aug 17 1992 | NEC Corporation | (assignment on the face of the patent) | / |
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