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Antenna device and wireless device

A technology for antenna devices and feeders, which is applied in the directions of antenna grounding devices, antennas, antenna arrays, etc., and can solve the problems of communication quality degradation of antenna devices

Inactive Publication Date: 2016-02-03
KK TOSHIBA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the above reasons, in the method of establishing electrical continuity based on the through hole, the communication quality of the antenna device is degraded due to the leakage of radio waves through the gap.

Method used

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  • Antenna device and wireless device
  • Antenna device and wireless device
  • Antenna device and wireless device

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0026] Figure 1A with 1B is a diagram illustrating the configuration of the antenna device 1 according to the first embodiment. Figure 1A is a top view of the antenna device 1 according to the first embodiment. Figure 1B is the antenna device 1 along the Figure 1A A cross-sectional view of the dashed-dotted line B-B' illustrated in .

[0027] The antenna device 1 includes: a substrate 10; a through hole 20 formed on the substrate 10 in a penetrating manner; a first ground conductor 30 formed in a first layer of the substrate 10; and a ground conductor 30 formed in a second layer of the substrate 10. The second ground conductor 50 . Also, the antenna device 1 includes a radiating element 60 formed on the substrate 10 ; and a feeder 70 that feeds power to the radiating element 60 . Furthermore, the antenna device 1 includes joint portions 90a and 90b.

[0028] The substrate 10 is a multilayer substrate having a plurality of layers. In the first embodiment, the substrate ...

no. 2 example

[0052] Figure 4A with 4B is a diagram illustrating the configuration of the antenna device 4 according to the second embodiment. Figure 4A is a top view of the antenna device 4 according to the second embodiment. Figure 4B is the antenna device 4 along the Figure 4A A cross-sectional view of the dashed-dotted line B-B' illustrated in .

[0053] According to the second embodiment, regarding the antenna device 4, its configuration is the same as that of the antenna device 1 illustrated in FIG. Therefore, the same constituent elements are denoted by the same reference numerals, and related descriptions are omitted.

[0054] The radiation element 61 is a patch antenna which is substantially quadrangular in shape and has a recess formed on one side. At the recess formed on one side, the radiation element 61 is directly connected to the feeder line 70 . Also, the radiation element 61 transmits and receives linearly polarized waves having a polarization plane parallel to th...

no. 3 example

[0064] Figure 6A with 6B is a diagram illustrating the configuration of the antenna device 6 according to the third embodiment. Figure 6A is a top view of the antenna device 6 according to the third embodiment. Figure 6B is the antenna assembly 6 along the Figure 6A A cross-sectional view of the dashed-dotted line B-B' illustrated in . Here, the same constituent elements as those of the antenna device 5 according to the third modified example are denoted by the same reference numerals, and related explanations are omitted.

[0065] The antenna device 6 includes a plurality of ground conductors 190 a to 190 g each having one end connected to the first ground conductor 30 and having the other end connected to the second ground conductor 50 . Here, the ground conductors 190 a to 190 g are through holes arranged in an arc around the through holes 20 . Also, in a portion equivalent to a chord of a circular arc, a feeder line 70 is formed.

[0066] As a result of arranging...

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PUM

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Abstract

The disclosure relates to an antenna device and a wireless device. According to an embodiment, the antenna device includes a substrate, a through hole, first and second grounded conductors, a radiating element and a feeder line. The through hole is formed on a substrate. The substrate includes first to third layers. The third layer is formed between the first and the second layers. The first grounded conductor is formed in the first layer and has a gap positioned between the first grounded conductor and the through hole. The second grounded conductor is formed in the second layer. The radiating element transmits or receives linearly-polarized waves. The feeder line is formed in the third layer, and is electrically continuous with the through hole. The feeder line includes a straight line that is formed in the third layer in an area of projection of the gap in thickness direction of the substrate and that is formed to be substantially parallel to a plane of polarization of the linearly-polarized waves.

Description

[0001] Cross References to Related Applications [0002] This application is based on and claims the benefit of priority from Japanese Patent Application No. 2014-124469 filed on June 17, 2014; the entire contents of which are hereby incorporated by reference. technical field [0003] Embodiments described herein relate generally to antenna devices and wireless devices. Background technique [0004] In general, there is known an antenna device in which power reaching a radiating element on which the radiating element is formed is fed using a coaxial connector or a coaxial cable having a coaxial structure and mounted on the outside of a circuit board. In such an antenna arrangement the power to the radiating element is fed by establishing electrical continuity between the inner electrical conductor of the coaxial line and the signal line of the stripline. [0005] Regarding the method of establishing electrical continuity between the coaxial line and the strip line; for exam...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/38H01Q1/50
CPCH01Q1/38H01Q13/106H01Q21/064H01Q9/0407H01Q9/045H01Q1/48
Inventor 桥本纮桧垣诚向井学
Owner KK TOSHIBA