Contactless Rechargeable Secondary Battery and Contactless Battery Charger
First Claim
1. A contactless rechargeable secondary battery comprising:
- a secondary battery;
a power receiver circuit provided with a power receiver coil and a resonance capacitor and adapted to receive AC power of resonance frequency via magnetic field resonance, the resonance capacitor being connected in parallel with the power receiver coil;
a rectifier circuit adapted to rectify the AC power received by the power receiver circuit;
a current limiter circuit adapted to limit a charging current flowing from the rectifier circuit to the secondary battery; and
an outer casing configured to be cylindrical in shape, adapted to house the secondary battery, and provided with a positive terminal and a negative terminal, the positive terminal being connected with a positive pole of the secondary battery and the negative terminal being connected with a negative pole of the secondary battery, whereinthe power receiver coil is shaped like a sheet by being made up of an electric wire wound along a plane and is installed along an inner surface of the outer casing.
4 Assignments
0 Petitions
Accused Products
Abstract
A contactless rechargeable alkaline secondary battery includes an alkaline secondary battery; a power receiver circuit having receiver coils and a resonance capacitor and adapted to receive AC power via magnetic field resonance, the resonance capacitor connected with the receiver coils L1 to L4; a rectifier circuit adapted to rectify the AC power; a current limiter circuit adapted to limit a charging current flowing from the rectifier circuit to the alkaline secondary battery; and an outer casing configured to be cylindrical in shape, adapted to house the alkaline secondary battery, and provided with a positive terminal and a negative terminal, the positive terminal being connected with a positive pole of the alkaline secondary battery and the negative terminal being connected with a negative pole of the alkaline secondary battery, wherein the power receiver coils are shaped like a sheet of an electric wire wound along a plane.
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Citations
28 Claims
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1. A contactless rechargeable secondary battery comprising:
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a secondary battery; a power receiver circuit provided with a power receiver coil and a resonance capacitor and adapted to receive AC power of resonance frequency via magnetic field resonance, the resonance capacitor being connected in parallel with the power receiver coil; a rectifier circuit adapted to rectify the AC power received by the power receiver circuit; a current limiter circuit adapted to limit a charging current flowing from the rectifier circuit to the secondary battery; and an outer casing configured to be cylindrical in shape, adapted to house the secondary battery, and provided with a positive terminal and a negative terminal, the positive terminal being connected with a positive pole of the secondary battery and the negative terminal being connected with a negative pole of the secondary battery, wherein the power receiver coil is shaped like a sheet by being made up of an electric wire wound along a plane and is installed along an inner surface of the outer casing. - View Dependent Claims (2, 3, 4, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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5. A contactless rechargeable secondary battery comprising:
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a secondary battery; a power receiver circuit provided with a power receiver coil and a resonance capacitor and adapted to receive AC power of resonance frequency via magnetic field resonance, the resonance capacitor being connected in parallel with the power receiver coil; a rectifier circuit adapted to rectify the AC power received by the power receiver circuit; a current limiter circuit adapted to limit a charging current flowing from the rectifier circuit to the secondary battery; and an outer casing configured to be cylindrical in shape, adapted to house the secondary battery, and provided with a positive terminal and a negative terminal, the positive terminal being connected with a positive pole of the secondary battery and the negative terminal being connected with a negative pole of the secondary battery, wherein the power receiver coil is shaped like a sheet by being made up of an electric wire wound along a plane and is installed along an outer surface of the outer casing. - View Dependent Claims (6, 7, 8)
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9. A contactless rechargeable secondary battery comprising:
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a secondary battery cylindrical in shape; an insulating layer adapted to cover an outer surface of the secondary battery; a power receiver circuit provided with a power receiver coil and a resonance capacitor and adapted to receive AC power of resonance frequency via magnetic field resonance, the power receiver coil being shaped like a sheet by being made up of an electric wire wound along a plane and the resonance capacitor being connected in parallel with the power receiver coil; a rectifier circuit adapted to rectify the AC power received by the power receiver circuit; and a current limiter circuit adapted to limit a charging current flowing from the rectifier circuit to the secondary battery, wherein the power receiver circuit, the rectifier circuit, and the current limiter circuit are installed between the outer surface of the secondary battery and the insulating layer. - View Dependent Claims (10)
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22. A contactless battery charger comprising:
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a power supply circuit adapted to output AC power of resonance frequency; a power transmission circuit provided with a power transmission coil and a resonance capacitor and adapted to transmit the AC power of the resonance frequency via magnetic field resonance, the resonance capacitor being connected in parallel with the power transmission coil; and a placement surface on which a contactless rechargeable secondary battery is placed in order for the power transmission coil to emit electromagnetic waves, wherein the power transmission coil is installed parallel to the placement surface, and is shaped like a sheet by being made up of an electric wire wound along a plane. - View Dependent Claims (23, 24, 25, 26, 27, 28)
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Specification