Piezoelectric semiconductor element

- Seiko Epson Corporation
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Description

FIG. 1 is a front view of the inventive design for a piezoelectric semiconductor element;

FIG. 2 is a top view of the inventive design of FIG. 1;

FIG. 3 is a bottom view of the inventive design of FIG. 1;

FIG. 4 is a left side view of the inventive design of FIG. 1;

FIG. 5 is a right side view of the inventive design of FIG. 1;

FIG. 6 is a rear view of the inventive design of FIG. 1; and,

FIG. 7 is a cross-section view of the inventive design of FIG. 1 taken along the lines 7--7 of FIG. 6.

Referenced Cited
U.S. Patent Documents
D251185 February 27, 1979 Fanshawe
3968466 July 6, 1976 Nakamura et al.
4596155 June 24, 1986 Kistler
4661653 April 28, 1987 Aigo
4732042 March 22, 1988 Adams
4764747 August 16, 1988 Kurtz et al.
4782319 November 1, 1988 Dell'Acqua et al.
5317921 June 7, 1994 Kremidas
Foreign Patent Documents
1-10552 May 1991 JPX
Other references
  • Japanese Watch Institute Report No. 120, p. 8, FIG. 5, Mar. 20, 1987 Electronic Technology; p. 52; Mar. 1986.
Patent History
Patent number: D356778
Type: Grant
Filed: Sep 24, 1993
Date of Patent: Mar 28, 1995
Assignee: Seiko Epson Corporation (Nagano)
Inventors: Kiyoto Takeda (Nagano), Kiyoteru Furukawa (Tokyo)
Primary Examiner: Joel Sincavage
Law Firm: Oliff & Berridge
Application Number: 0/13,420