Piezoelectric actuator
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Description
FIG. 1 is a front elevational view of a piezoelectric actuator showing our new design;
FIG. 2 is a left side elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
D330363 | October 20, 1992 | Inoi |
2802955 | August 1957 | Kitterman |
3176251 | March 1965 | Kuenzig |
4625559 | December 2, 1986 | Carter et al. |
4651044 | March 17, 1987 | Kompanek |
4656454 | April 7, 1987 | Rosenberger |
4703214 | October 27, 1987 | Mishiro |
0112374 | May 1991 | JPX |
0239167 | October 1991 | JPX |
- Multilayer Piezoelectric Actuator Brochure, ASB Series, May 1991. Movement Positioning Brochure, May 1987.
Patent History
Patent number: D348433
Type: Grant
Filed: Oct 22, 1992
Date of Patent: Jul 5, 1994
Assignee: NEC Corporation (Tokyo)
Inventors: Isao Tochihara (Tokyo), Mitsunori Sano (Tokyo)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Joel Sincavage
Law Firm: Sughrue, Mion, Zinn, Macpeak & Seas
Application Number: 0/722
Type: Grant
Filed: Oct 22, 1992
Date of Patent: Jul 5, 1994
Assignee: NEC Corporation (Tokyo)
Inventors: Isao Tochihara (Tokyo), Mitsunori Sano (Tokyo)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Joel Sincavage
Law Firm: Sughrue, Mion, Zinn, Macpeak & Seas
Application Number: 0/722
Classifications
Current U.S. Class:
Switch Or Casing Therefor (18) (D13/158)