Patent ID: 6373221
Filing Date: 2002-04-16
Classification: B60L,H02J,Y02T

Abstract:
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.