Piezoelectric actuator

- NEC Corporation
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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
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
Foreign Patent Documents
0112374 May 1991 JPX
0239167 October 1991 JPX
Other references
  • 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
Classifications
Current U.S. Class: Switch Or Casing Therefor (18) (D13/158)