Communication system
AssigneeCanon Kabushiki Kaisha
InventorKoji Yukimasa
Life of this patent
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Abstract
A communication system performs wireless communication using electromagnetic field coupling between a transmission coupler and a reception coupler and moves at least one of the transmission coupler and the reception coupler so as to change the position in a predetermined direction of the reception coupler relative to the transmission coupler. In the communication system, the greater the distance between an overlap portion where the transmission coupler and the reception coupler overlap as viewed from a vertical direction to the predetermined direction and an input end of the transmission coupler is, the higher the degree of coupling between the transmission coupler and the reception coupler becomes.
Claims10
A communication system comprising:
- a first coupler configured to transmit a signal from one end portion to another end portion in a predetermined direction;
- a second coupler that is shorter in length in the predetermined direction than the first coupler;
- a communication control unit configured to control wireless communication using electromagnetic field coupling between the first coupler and the second coupler;
- and
- a movement control unit configured to move at least one of the first coupler and the second coupler so as to change a position in the predetermined direction of the second coupler relative to the first coupler,
- wherein a degree of coupling between the first coupler and the second coupler is higher in a case in which a distance between a portion of the first coupler overlapping with the second coupler as viewed from a vertical direction to the predetermined direction and the one end portion of the first coupler is a first distance than the degree of coupling in a case in which the distance between a portion of the first coupler overlapping with the second coupler as viewed from the vertical direction and the one end portion of the first coupler is a second distance that is shorter than the first distance.
Dependencies are inferred from the claim text.