Optical device
AssigneePanasonic Corporation
InventorsAkira Kakinuma, Keisuke Yoneda, Fumio Kato
Life of this patent
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Abstract
Disclosed is an optical device which includes: optical components configured to be electrically actuated such that light transmission states are variable; a driver circuit for the optical components; a power source unit for driving the optical components; rims for supporting the optical components; temples having front and rear ends and connected at the front ends to the rims; and earpieces formed at the rear ends of the temples. The power source unit includes a secondary battery, and a charge/discharge circuit for controlling charge and discharge of the secondary battery. The secondary battery is provided near the rear end of the temple or in the earpiece.
Claims9
An optical device comprising:
- optical components configured to be electrically actuated such that light transmission states are variable;
- a driver circuit for the optical components;
- a power source unit for driving the optical components;
- rims for supporting the optical components;
- temples having front and rear ends, and connected at the front ends to the rims;
- and
- earpieces formed at the rear ends of the temples,
- the power source unit including:
- a secondary battery;
- and
- a charge/discharge circuit for controlling charge and discharge of the secondary battery,
- the secondary battery being provided near the rear end of the temple or in the earpiece.
Dependencies are inferred from the claim text.