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US 2010/0149612 A1Published application
Oscillator device and optical deflector using the same
AssigneeCanon Kabushiki Kaisha
InventorsSuguru Miyagawa, Jun Nagatoshi, Yasuhiro Shimada
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Abstract
An oscillator device includes at least one movable element supported for oscillatory motion around a rotational axis, and a first rectifying member for suppressing generation of a spiral airflow during oscillation of the movable element, the first rectifying member being provided to occupy a space of at least a portion of a spiral airflow generating region which might otherwise be created when the first rectifying member is not provided there.
Claims12
An oscillator device, comprising:
- at least one movable element supported for oscillatory motion around a rotational axis;
- and
- a first rectifying member for suppressing generation of a spiral airflow during oscillation of said movable element;
- wherein said first rectifying member is provided to occupy a space of at least a portion of a spiral airflow generating region which might otherwise be created when said first rectifying member is not provided there.
1 more element
Dependencies are inferred from the claim text.