ACTUATOR AND CAMERA DEVICE

An actuator includes drive magnets (first drive magnet and second drive magnet) and back yokes (first magnetic back yoke and second magnetic back yoke). The back yokes are each provided one to one for an associated one of the drive magnets. The associated one of the drive magnets is attached to each...

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Bibliographic Details
Main Authors ICHIHASHI, Hirohide, HOSHINO, Tsubasa, SHIMOMURA, Tsutomu, KAMEYAMA, Yasuaki, KOBAYASHI, Masakazu
Format Patent
LanguageEnglish
Published 29.08.2019
Subjects
ACCESSORIES THEREFOR
APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES
APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM
CALCULATING
CINEMATOGRAPHY
COMPUTING
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
COUNTING
DYNAMO-ELECTRIC MACHINES
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
ELECTROGRAPHY
GENERATION
HOLOGRAPHY
PHOTOGRAPHY
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Summary:An actuator includes drive magnets (first drive magnet and second drive magnet) and back yokes (first magnetic back yoke and second magnetic back yoke). The back yokes are each provided one to one for an associated one of the drive magnets. The associated one of the drive magnets is attached to each of the back yokes. The back yokes include at least one pair of back yokes facing each other with respect to an optical axis. Each of the at least one pair of back yokes includes a base and a yoke protrusion. An associated one of the drive magnets is attached to the base. The yoke protrusion is coupled to the base and arranged to face at least one out of two ends of the associated drive magnet in a rolling direction of a movable holder.
Bibliography:Application Number: US201916413314