G01C- MEASURING DISTANCES, LEVELS OR BEARINGS SURVEYING NAVIGATION GYROSCOPIC INSTRUMENTS PHOTOGRAMMETRY OR VIDEOGRAMMETRY. Assignors: KOBAYASHI, YOSHIHIRO, OGURA, SEIICHIRO Publication of US20060226741A1 publication Critical patent/US20060226741A1/en Application granted granted Critical Publication of US7348716B2 publication Critical patent/US7348716B2/en Status Expired - Fee Related legal-status Critical Current Anticipated expiration legal-status Critical Links Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority claimed from JP2004-364978 external-priority Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp Assigned to SEIKO EPSON CORPORATION reassignment SEIKO EPSON CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Original Assignee Seiko Epson Corp Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) ( en Inventor Seiichiro Ogura Yoshihiro Kobayashi Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related Application number US11/296,004 Other versions US20060226741A1 Google Patents Piezoelectric gyro element and piezoelectric gyroscopeÄownload PDF Info Publication number US7348716B2 US7348716B2 US11/296,004 US29600405A US7348716B2 US 7348716 B2 US7348716 B2 US 7348716B2 US 29600405 A US29600405 A US 29600405A US 7348716 B2 US7348716 B2 US 7348716B2 Authority US United States Prior art keywords piezoelectric driving vibration body piezoelectric vibration opposing Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US7348716B2 - Piezoelectric gyro element and piezoelectric gyroscope US7348716B2 - Piezoelectric gyro element and piezoelectric gyroscope
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