Wireless communication system and computer tomography apparatus
AssigneeCanon Kabushiki Kaisha
InventorHiroto Tamaki
Life of this patent
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Abstract
A wireless communication system includes a first differential signal line, a differential coupler, and an electronic circuit. The differential coupler has a second differential signal line to perform wireless communication of a differential signal with the first differential signal line via electromagnetic field coupling. The electronic circuit is connected to the differential coupler via a wired transmission path to process the differential signal. A surface of a board or a ground pattern of the electronic circuit is inclined or upright with respect to the second differential signal line so as to separate away from a direction in which the first differential signal line extends.
Claims11
A wireless communication system comprising:
- a differential signal line;
- a first differential coupler to perform wireless communication of a differential signal with the differential signal line via electromagnetic field coupling;
- and
- an electronic circuit having a board or a ground pattern and connected to the first differential coupler via a wired transmission path to process the differential signal, wherein
- a surface of the board or the ground pattern is inclined or upright with respect to the first differential coupler so as to separate away from a direction in which the differential signal line extends.
A computer tomography apparatus comprising:
- a radiation generator;
- a radiation detector configured to detect radiation generated by the radiation generator;
- a rotation unit configured to rotate the radiation generator and the radiation detector while holding the same in a state facing each other;
- a fixed portion configured to support the rotation unit;
- and
- a wireless communication system,
- the wireless communication system including:
- a differential signal line;
- a differential coupler to perform wireless communication of differential signals with the differential signal line via electromagnetic field coupling;
- and
- an electronic circuit connected to the differential coupler via a wired transmission path to process the differential signals, wherein
- a surface of a board or a ground pattern of the electronic circuit is inclined or upright with respect to the differential coupler so as to separate away from the direction in which first differential signal line extends,
- the differential signal line is provided along a circumference centered on a rotation axis of the rotation unit, and the differential coupler is provided on the fixed portion, and
- a signal detected by the radiation detector is transmitted to the fixed portion via electromagnetic field coupling between the differential signal line and the differential coupler.
Dependencies are inferred from the claim text.