X-ray detector and X-ray imaging apparatus having the same
The X-ray detector includes a side frame; a cover coupled to an outside of the side frame; a first antenna radiator supplied with a power by being coupled to the side frame; and a second antenna radiator provided in the cover while being spaced apart from the first antenna radiator, and configured to resonate with the first antenna radiator.
1. An X-ray detector comprising:
a side frame;
a first antenna radiator supplied with a power by being coupled to the side frame and having a first surface extending in a lengthwise dimension of the first antenna radiator;
a cover configured to be coupled to an outside of the side frame, for covering the first antenna radiator; and
a second antenna radiator provided in the cover opposing the first antenna radiator and configured to resonate with the first antenna radiator, the second antenna radiator having a second surface extending in the lengthwise dimension and facing the first surface of the first antenna radiator, the second surface of the second antenna radiator being spaced apart from the first surface of the first antenna radiator with a free space interposed therebetween.
2. The X-ray detector of claim 1 , wherein the second antenna radiator is disposed in the cover, and
at least a portion of the second antenna radiator overlaps the first antenna radiator disposed in the side frame, in the lengthwise dimension.
3. The X-ray detector of claim 1 , wherein the cover comprises an inner surface facing the first antenna radiator and an outer surface opposing the inner surface, and
the second antenna radiator is disposed in the inner surface or the outer surface of the cover.
4. The X-ray detector of claim 1 , wherein
the second antenna radiator is mounted to the cover.
5. The X-ray detector of claim 1 , wherein the second antenna radiator has a certain shape to resonate with the first antenna radiator.
6. The X-ray detector of claim 1 , wherein the first antenna radiator comprises:
a high frequency patch configured to radiate electromagnetic waves of a first frequency; and
a low frequency patch configured to radiate electromagnetic waves of a second frequency and disposed in a row with respect to the high frequency patch, in the lengthwise dimension.
7. The X-ray detector of claim 6 , wherein the second antenna radiator overlaps the high frequency patch, in the lengthwise dimension.
8. The X-ray detector of claim 6 , wherein the first frequency is a WiFi communication frequency, and
the second frequency is a Bluetooth communication frequency.
9. The X-ray detector of claim 6 , further comprising:
a connection member configured to electrically connect the high frequency patch to the low frequency patch.
10. The X-ray detector of claim 1 , further comprising:
a power supply configured to supply the power to the first antenna radiator, by transmitting electromagnetic waves energy to the first antenna radiator.
11. The X-ray detector of claim 10 , wherein the second antenna radiator is supplied with the power indirectly, through the first antenna radiator.
12. The X-ray detector of claim 1 , wherein an entirety of the second surface of the second antenna radiator faces an entirety of the first surface of the first antenna radiator.
13. An X-ray imaging apparatus comprising:
an X-ray detector provided with a first antenna radiator for a wireless communication, the first antenna radiator having a first surface extending in a lengthwise dimension of the first antenna radiator; and
an accommodation portion which accommodates the X-ray detector and is provided with a second antenna radiator opposing the first antenna radiator and configured to resonate with the first antenna radiator, the second antenna radiator having a second surface extending in the lengthwise dimension and facing the first surface of the first antenna radiator, the second surface of the second antenna radiator being spaced apart from the first surface of the first antenna radiator with a free space interposed therebetween,
wherein the second antenna radiator has a shape to resonate with the first antenna radiator.
14. The X-ray imaging apparatus of claim 13 , wherein at least a portion of the second antenna radiator overlaps the first antenna radiator, in the lengthwise dimension.
15. The X-ray imaging apparatus of claim 13 , further comprising:
a power supply configured to supply a power to the first antenna radiator,
wherein the second antenna radiator is supplied with the power indirectly, through the first antenna radiator.
16. The X-ray imaging apparatus of claim 13 , wherein the first antenna radiator comprises:
a high frequency patch configured to radiate electromagnetic waves of a first frequency; and
a low frequency patch configured to radiate electromagnetic waves of a second frequency and disposed in a row with respect to the high frequency patch, in the lengthwise dimension.
17. The X-ray imaging apparatus of claim 16 , wherein the first frequency is a WiFi communication frequency, and
the second frequency is a Bluetooth communication frequency.
18. The X-ray imaging apparatus of claim 13 , wherein the X-ray detector comprises a plurality of communication assemblies including a plurality of first antenna radiators and a plurality of second antenna radiators,
each pair of one among the plurality of first antenna radiators and one among the plurality of second antenna radiators form one of the plurality of communication assemblies, and
the plurality of communication assemblies is configured to communicate with an outside by Multiple Input Multiple Output (MIMO) method,
the first antenna radiator is included into the plurality of first antenna radiators, and
the second antenna radiator is included into the plurality of second antenna radiators.