Invention Grant
- Patent Title: Driving apparatus of vibration-type actuator method of controlling driving vibration-type actuator and image pickup apparatus
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Application No.: US15483761Application Date: 2017-04-10
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Publication No.: US10693394B2Publication Date: 2020-06-23
- Inventor: Akio Atsuta
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: CANON KABUSHIKI KAISHA
- Current Assignee: CANON KABUSHIKI KAISHA
- Current Assignee Address: JP Tokyo
- Agency: Canon U.S.A., Inc. IP Division
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@94aa4e4
- Main IPC: H02N2/14
- IPC: H02N2/14 ; H02N2/10 ; H02N2/00

Abstract:
A driving apparatus of a vibration-type actuator includes a driving circuit configured to drive a vibration unit including a plurality of vibrators, a detection unit configured to detect a sum of power consumption consumed by the plurality of vibrators, and a driving frequency setting unit configured to set a driving frequency within a frequency range depending on the sum of power consumption detected by the detection unit.
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