HEADPHONE, HEADPHONE STAND AND HEADPHONE SYSTEM
First Claim
Patent Images
1. A headphone comprising:
- first and second ear cups,the first ear cup including a receiving coil receiving AC power supplied by wireless from an external feeding coil and a capacitor connected to the receiving coil to form therewith a resonance circuit,the second ear cup including a secondary battery charged with the AC power received by the receiving coil.
2 Assignments
0 Petitions
Accused Products
Abstract
A wireless headphone system 102 includes a headphone 144 and a headphone stand 104. The headphone 144 has two ear cups 150a and 150b. The ear cup 150a incorporates a receiving coil L3 and a capacitor C3. The ear cup 150b incorporates a charge controller 138 and a secondary battery 112. The headphone stand 104 incorporates a feeding coil L2. When the headphone 144 is set in the headphone stand 104, AC power is supplied from the feeding coil L2 to the receiving coil L3, and the secondary battery 112 of the headphone 144 is charged with the AC power.
21 Citations
11 Claims
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1. A headphone comprising:
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first and second ear cups, the first ear cup including a receiving coil receiving AC power supplied by wireless from an external feeding coil and a capacitor connected to the receiving coil to form therewith a resonance circuit, the second ear cup including a secondary battery charged with the AC power received by the receiving coil. - View Dependent Claims (2, 3, 4)
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5. A headphone stand comprising:
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a hanging portion for setting a headphone; a feeding coil; and a power transmission control circuit supplying AC power to the feeding coil to make the feeding coil supply the AC power by wireless to a receiving coil incorporated in the headphone, the feeding coil facing the receiving coil in a state where the headphone is set in the hanging portion. - View Dependent Claims (6, 7)
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8. A headphone stand comprising:
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a hanging portion for setting a headphone; first and second feeding coils; and a power transmission control circuit supplying AC power to the first and second feeding coils to make the first and second feeding coils supply the AC power by wireless to a receiving coil incorporated in the headphone, at least one of the first and second feeding coils facing the receiving coil in a state where the headphone is set in the hanging portion. - View Dependent Claims (9, 10)
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11. A headphone system comprising:
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a headphone having first and second ear cups; and a headphone stand in which the headphone is set, the first ear cup including a receiving coil receiving AC power supplied by wireless from a feeding coil of the headphone stand and a capacitor connected to the receiving coil to form therewith a resonance circuit, the second ear cup including a secondary battery charged with the AC power received by the receiving coil, the headphone stand including a hanging portion for setting a headphone, a feeding coil, and a power transmission control circuit supplying AC power to the feeding coil to make the feeding coil supply the AC power by wireless to the receiving coil, the feeding coil facing the receiving coil in a state where the headphone is set in the hanging portion.
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Specification