Piezoelectric actuator
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Description
FIG. 1 is a front elevational view of a piezoelectric actuator showing my new design, the rear elevational view 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; and,
FIG. 5 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
Other references
| D109572 | May 1938 | Van Vleck |
| D260880 | September 22, 1981 | Spoor |
| 4454398 | June 12, 1984 | Aschenbach et al. |
| 4620073 | October 28, 1986 | Yokota et al. |
| 4656454 | April 7, 1987 | Rosenberger |
| 4836028 | June 6, 1989 | Voituriez |
| 5031462 | July 16, 1991 | Lam |
- Honeywell transducer on p. 56 of Design News, Dec. 13, 1989. Physik Instrumente (PI) GmbH & Co. Publication, entitled "Movement +Positioning", Issue 3 of May, 1987, Waldbronn, West Germany.
Patent History
Patent number: D330363
Type: Grant
Filed: Sep 7, 1990
Date of Patent: Oct 20, 1992
Assignee: NEC Corporation (Tokyo)
Inventor: Takayuki Inoi (Tokyo)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Joel Sincavage
Law Firm: Sughrue, Mion, Zinn, Macpeak & Seas
Application Number: 7/579,451
Type: Grant
Filed: Sep 7, 1990
Date of Patent: Oct 20, 1992
Assignee: NEC Corporation (Tokyo)
Inventor: Takayuki Inoi (Tokyo)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Joel Sincavage
Law Firm: Sughrue, Mion, Zinn, Macpeak & Seas
Application Number: 7/579,451
Classifications
