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US 2008/0074765 A1Published application
Optical apparatus
AssigneeCanon Kabushiki Kaisha
InventorMakoto Hayakawa
Life of this patent
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Abstract
An optical apparatus includes a photographic lens and a vibratory actuator configured to move the photographic lens. The vibratory actuator includes a vibration member having an electro-mechanical energy conversion function for generating vibration and a contact member contacting the vibration member. At least one press-contact surface of the vibration member and the contact member is configured into an arc shape having a central axis corresponding to a moving direction of the photographic lens.
Claims3
An optical apparatus comprising:
- a photographic lens;
- and
- a vibratory actuator configured to move the photographic lens,
- wherein the vibratory actuator comprises:
- a vibration member configured to electro-mechanically convert energy to generate vibrations;
- and
- a contact member contacting the vibration member,
- wherein at least one press-contact surface of the vibration member and the contact member has an arc shape having a central axis corresponding to a moving direction of the photographic lens.
5 more elements
Dependencies are inferred from the claim text.