Charger coupling
First Claim
Patent Images
1. A charger coupling for charging a battery, the coupling comprising:
- a charging device, wherein the charging device includes a first core, a primary coil wound about the first core, and a first communication device having a first antenna;
a receptacle for receiving the charging device, wherein the receptacle includes a second core, a secondary coil wound about the second core, and a second communication device having a second antenna, wherein, when the receptacle receives the charging device, the second core and the first core form a magnetic circuit and the secondary core induces a current in response to a current supplied to the primary coil, and wherein the second antenna exchanges radio waves with the first antenna; and
a waveguide member, wherein the waveguide member guides radio waves between the first antenna and the second antenna.
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Abstract
A charger coupling for charging a battery includes a paddle and a receptacle. The paddle and the receptacle exchange information by radio waves. The paddle includes waveguides for guiding radio waves between an antenna of the paddle and an antenna or the receptacle. The waveguides improve the radio communication between the paddle and the receptacle.
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Citations
10 Claims
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1. A charger coupling for charging a battery, the coupling comprising:
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a charging device, wherein the charging device includes a first core, a primary coil wound about the first core, and a first communication device having a first antenna;
a receptacle for receiving the charging device, wherein the receptacle includes a second core, a secondary coil wound about the second core, and a second communication device having a second antenna, wherein, when the receptacle receives the charging device, the second core and the first core form a magnetic circuit and the secondary core induces a current in response to a current supplied to the primary coil, and wherein the second antenna exchanges radio waves with the first antenna; and
a waveguide member, wherein the waveguide member guides radio waves between the first antenna and the second antenna. - View Dependent Claims (2, 3)
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4. A charger coupling for charging a battery, the coupling comprising:
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a charging device, wherein the charging device includes a first core, a primary coil wound about the first core, a first communication circuit, a first antenna connected to the first communication circuit and a first case for accommodating the first core, the primary coil, the first communication circuit and the first antenna;
a receptacle for receiving the charging device, wherein the receptacle includes a second core, a secondary coil wound about the second core, a second communication circuit, a second antenna connected to the second communication circuit and a second case for accommodating the second core, the secondary coil, the second communication circuit and the second antenna, wherein the second antenna faces the first antenna, and wherein, when the receptacle receives the charging device, the second core and the first core form a magnetic circuit, the secondary coil induces a current in response to a current supplied to the primary coil; and
a waveguide member, wherein the waveguide member is a conductive member that forms a waveguide in the first case between the first antenna and the second antenna such that the waveguide guides radio waves transmitted between the first and second antennas. - View Dependent Claims (5, 6, 7, 8, 9, 10)
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Specification