TWI713251B - Double signal input point type and eight-band receiving antenna for 5g mimo smart phone - Google Patents

Abstract

A double signal input point type and eight-band receiving antenna for 5G MIMO smart phone is provided and includes a base body, a first metal component and a second metal component. The first metal component is disposed on the base body and includes a first input point, a first connection portion, a first extension segment, a first segment, a first extension portion, a second segment, a first branch portion, a second branch portion and a third branch portion. The second metal component is disposed on the base body, is separated from the first metal component and includes a second input point, a second connection portion, a second extension segment, a first region, a second extension portion and a second region. By the special-shaped structural design, the first metal component and the second metal component can receive wireless signals in eight frequency bands in a small overall size.

Description

Eight-band receiving antenna with dual signal input points for 5G　MIMO smart phones

This case is about an antenna suitable for 5G MIMO smart phones, especially an eight-band receiving antenna with dual signal input points for 5G MIMO smart phones.

Because smart phones mainly use antennas to transmit and receive wireless messages to achieve the functions of smart phones for calling and transmitting data, and due to laws and regulations around the world, different frequency bands are distinguished for use in this area. Therefore, when a smart phone needs to be used all over the world, the antenna of the smart phone must be suitable for different frequency bands around the world. On the other hand, as the additional functions of smart phone devices continue to improve, their constituent components are also increasing. In order not to affect the overall size of the smart phone to facilitate portability and meet market demand, each constituent component has miniaturization and integration. Densification needs.

Since the development of wireless communication technology, its communication technology standards have gradually evolved from 3G and 4G to 5G. As the leading technology of 5G, the Multi-input Multi-output (MIMO) system is currently a technology with great development potential, and will become an important communication method adopted by new smart phones. And if 5G MIMO smart phones are to be widely used by the public, in order to meet the purpose of being usable in different frequency bands around the world and easy to carry, how to make the antenna of this 5G MIMO smart phone support multiple frequency band signals and simultaneously Having a dense structure is the key to its practicality.

However, the frequency band that the existing antenna structure can cover is limited and cannot be further miniaturized. Therefore, it is necessary to develop a new antenna architecture to solve the problems of the prior art and meet application requirements.

The purpose of this case is to provide an eight-band receiving antenna with dual signal input points suitable for 5G MIMO smart phones, which can reduce the physical size, and operate in eight frequency bands at the same time or apply to the required specific frequency range, not only can reduce Manufacturing costs can also improve performance.

Another purpose of this case is to provide an eight-band receiving antenna with dual signal input points suitable for 5G MIMO smart phones. It is small in size, fixed in structure, mechanically strong, and can be easily combined with smart phones, and provides eight There are two frequency bands for smart phones to choose and operate.

Another purpose of this case is to provide an eight-band receiving antenna suitable for dual-signal input points of 5G MIMO smart phones. The required specific frequency range has a small standing wave ratio between each frequency band, which can effectively Improve the performance of the eight frequency bands out of resonance and increase the gain.

To achieve the foregoing objective, this case provides an eight-band receiving antenna suitable for dual-signal input points of 5G MIMO smart phones, including an antenna base, a first metal element, and a second metal element. The antenna base includes a first surface, a second surface, a third surface, and a fourth surface. Wherein, the first surface is opposite to the third surface, and the second surface is perpendicularly connected to the first surface, the third surface and the fourth surface. The first metal element is disposed on the antenna base, has a length between 73.02 mm and 73.22 mm, a width between 17.46 mm and 17.66 mm, and includes a first input point, a first connection part, a first extension, and a A section, a first extension part, a second section, a first branch part, a second branch part and a third branch part. Among them, the first input point is based on the input signal. The first connection portion includes a first input end and a first connection section, wherein the first input end is disposed on the first surface, and the first input point is disposed on the first input end. The first connection section is arranged on the second surface. The first extension section is connected with the first connection section and is arranged on the second surface. The first section is connected with the first extension section, is disposed on the second surface, and extends from the second surface to the third surface. The first extension part is connected to the first connection section, the first extension section and the first section, is disposed on the second surface, and extends from the second surface to the fourth surface. The second section is connected with the first section and is arranged on the third surface. The first branch is structured to receive wireless signals in the sixth frequency band, connected to the first section, and arranged on the second surface. The second branch section is configured to receive wireless signals in the fourth frequency band and the fifth frequency band, and includes a branch section and an extension section. The branch section is connected with the second section and extends from the third surface to the fourth surface. The extension part is connected with the branch section and is arranged on the second surface. The third branch is configured to receive wireless signals in the first frequency band, is connected to the second section, and is arranged on the third surface. Wherein, the first extension part and the first branch part are respectively connected to opposite sides of the first section, and the second branch part and the third branch part are respectively connected to opposite sides of the second section. And the first branch part and the third branch part extend in the same direction. The second metal element is arranged on the antenna base and is spaced apart from the first metal element, and its length and width are respectively smaller than the length and width of the first metal element. The second metal element includes a second input point, a second connection portion, a second extension section, a first block portion, a second extension portion, and a second block portion. Among them, the second input point is structured on the input signal. The second connection part includes a second input end and a second connection section. The second input terminal is arranged on the first surface, and the second input point is arranged on the second input terminal. The second connection section is disposed on the second surface. The second extension section is configured to receive wireless signals in the third frequency band, connected to the second connection section, and arranged on the second surface. The first block is configured to receive wireless signals in the second frequency band, is connected to one end of the second extension section, and is arranged on the second surface. The second extension part is configured to receive the wireless signal of the seventh frequency band, is arranged on the second surface, and includes an extension end portion and an extension end portion. The extension end portion is connected with the second extension section, and the extension end portion is connected with the second connection section of the second connection portion. The second block part is configured to receive wireless signals in the eighth frequency band, is connected to the second connection section and the second extension part, and is arranged on the second surface. Wherein, the first extension section and the second block portion are respectively connected to opposite sides of the second connection section.

Some typical embodiments embodying the features and advantages of this case will be described in detail in the following description. It should be understood that this case can have various changes in different aspects, all of which do not depart from the scope of the case, and the descriptions and illustrations therein are essentially for illustrative purposes, rather than limiting the case.

Figure 1 is a schematic diagram of the planar structure of the first metal element and the second metal element and the antenna base of the eight-band receiving antenna with dual signal input points of the preferred embodiment of the present invention. Figure 2 is a schematic diagram of the three-dimensional structure of the eight-band receiving antenna at the dual-signal input point shown in Figure 1 viewed from the first viewing angle. FIG. 3 is a schematic diagram of the three-dimensional structure of the eight-band receiving antenna at the dual-signal input point shown in FIG. 1 as viewed from a second perspective. Please refer to FIGS. 1 to 3. As shown in the figures, in this embodiment, the eight-band receiving antenna 2 with dual signal input points includes an antenna base 21, a first metal element 22 and a second metal element 23. The antenna base 21 includes a first surface 21a, a second surface 21b, a third surface 21c, and a fourth surface 21d. The first surface 21a is opposite to the third surface 21c, and the second surface 21b is perpendicularly connected to the first surface 21a, the third surface 21c, and the fourth surface 21d. The first metal element 22 is disposed on the antenna base 21, and includes a first input point 220, a first connection portion 221, a first extension section 222, a first section 223, a first extension section 224, a second section 225, The first branch 226, the second branch 227 and the third branch 228. Among them, the first input point 220 is based on the input signal. The first connection portion 221 includes a first input terminal 221a and a first connection section 221b. The first input terminal 221a is disposed on the first surface 21a, and the first input point 220 is disposed on the first input terminal 221a. The first connection section 221b is disposed on the second surface 21b. The first extension section 222 is connected to the first connection section 221b and is disposed on the second surface 21b. The first section 223 is connected to the first extension section 222, is disposed on the second surface 21b, and extends from the second surface 21b to the third surface 21c. The first extension portion 224 is connected to the first connection section 221b, the first extension section 222 and the first section 223, is disposed on the second surface 21b, and extends from the second surface 21b to the fourth surface 21d. The second section 225 is connected to the first section 223 and is disposed on the third surface 21c. The first branch 226 is configured to receive wireless signals in the sixth frequency band, is connected to the first section 223, and is disposed on the second surface 21b. The second branch portion 227 is configured to receive wireless signals in the fourth frequency band and the fifth frequency band, and includes a branch portion 227a and an extension portion 227b. The branch section 227a is connected to the second section 225 and extends from the third surface 21c to the fourth surface 21d. The extension portion 227b is connected to the branch segment 227a and is disposed on the second surface 21b. The third branch part 228 is configured to receive the wireless signal of the first frequency band, is connected to the second section 225, and is disposed on the third surface 21c. Wherein, the first extension portion 224 and the first branch portion 226 are respectively connected to opposite sides of the first section 223, and the second branch portion 227 and the third branch portion 228 are respectively connected to opposite sides of the second section 225, In addition, the first branch portion 226 and the third branch portion 228 extend in the same direction.

In this embodiment, the second metal element 23 is disposed on the antenna base 21, is spaced apart from the first metal element 22, and includes a second input point 230, a second connection portion 231, a second extension 232, and a first The block portion 233, the second extension portion 234 and the second block portion 235. Among them, the second input point 230 is structured on the input signal. The second connection portion 231 includes a second input end 231a and a second connection section 231b. The second input terminal 231a is disposed on the first surface 21a, and the second input point 230 is disposed on the second input terminal 231a. The second connecting section 231b is disposed on the second surface 21b. The second extension section 232 is structured to receive wireless signals in the third frequency band, is connected to the second connection section 231b, and is disposed on the second surface 21b. The first block 233 is configured to receive wireless signals in the second frequency band, is connected to one end of the second extension section 232, is disposed on the second surface 21b, and extends to the third surface 21c. The second extension portion 234 is configured to receive wireless signals in the seventh frequency band, is disposed on the second surface 21 b, and includes an extension end portion 234 a and an extension end portion 234 b. The extension end portion 234a is connected to the second extension section 232, and the extension end portion 234b is connected to the second connection section 231b of the second connection portion 231. The second block portion 235 is configured to receive the wireless signal of the eighth frequency band, is connected to the second connection section 231b and the second extension portion 234 extension terminal portion 234b, and is disposed on the second surface 21b. Wherein, the second extension section 232 and the second block portion 235 are respectively connected to opposite sides of the second connecting section 231b.

Please refer to Figure 1. In this embodiment, the first metal element 22 and the second metal element 23 are copper foils, so they can be bent and arranged on a plurality of surfaces of the antenna base 21, but it is not limited thereto. The following description is based on a planar structure in which the first metal element 22 and the second metal element 23 are located on the antenna base 21. In this embodiment, the first connecting section 221 b of the first connecting portion 221 is substantially an S-shaped structure with a short top and a long bottom, wherein the shorter end is relatively far away from the first surface 21 a of the antenna base 21. The first connecting portion 221, together with the first extension section 222, the first section 223 and the first branch portion 226, form an inverted U-shaped structure with a long top and a short bottom, wherein the longer end is formed by the first branch 226 constitute. This U-shaped structure roughly surrounds one side of the second extension section 232 of the second metal element 23, and one end of the first branch portion 226 is connected to the first area of the second metal element 23 connected to the second extension section 232 The blocks 233 are arranged adjacently. The branch section 227a of the second branch portion 227 and the extension portion 227b have an included angle, such as but not limited to 90 degrees, so that the extension portion 227b can be disposed on the second surface 21b of the antenna base 21 by bending. In this embodiment, the second extension 232 of the second metal element 23 is also substantially in a reverse shape with a long top and a short bottom, and one of the longer ends is relatively far away from the first surface 21a of the antenna base 21, The second extension portion 234 is approximately disposed at the opening of the U-shaped structure. Wherein, the second connecting portion 231, the second extension portion 234, the extension terminal portion 234b, and the second block portion 235 together form a stepped structure.

In this embodiment, the overall length of the first metal element 22 is between 73.02 mm and 73.22 mm, and the overall width is between 17.46 mm and 17.66 mm. The width of the first input end 221a of the first connecting portion 221 is between 1.40 mm and 1.60 mm, and the length is between 3.73 mm and 3.93 mm. The length of one side of the first connecting section 221b of the first connecting portion 221 is between 8.70 mm and 8.90 mm, and the length of one side is between 2.90 mm and 3.10 mm. The length of one side of the second branch portion 227 is between 7.53 mm and 7.73 mm, and the width of the extension portion 227b is between 1.90 mm and 2.10 mm. The width of the third branch portion 228 is between 3.10 mm and 3.30 mm. In this embodiment, the overall length and width of the second metal element 23 are smaller than the overall length and width of the first metal element 22, respectively. The stepped structure formed by the second connecting portion 231, the second extension portion 234, the extension terminal portion 234b, and the second block portion 235 has a total of six side lengths, which are between 8.90 mm and 9.10 mm, respectively. Between 10.51 mm and 10.71 mm, between 20.30 mm and 20.50 mm, between 3.90 mm and 4.10 mm, between 11.30 mm and 11.50 mm, and between 6.51 mm and 6.71 mm. The combination of the second extension section 232 and the first block portion 233 together defines a side length, and the side length is between 2.90 mm and 3.10 mm. It is worth mentioning that the dimensions of the components of the first metal element 22 and the second metal element 23 are designed to be able to receive wireless signals in eight frequency bands, and to match the three-dimensional structure of the antenna base 21, but are not designed to This is limited.

Through the structural design of the above-mentioned special form, the first metal element 22 and the second metal element 23 can be arranged on the antenna base 21 and receive wireless signals in eight frequency bands with a small overall size. The following further describes the resonance paths corresponding to the eight frequency bands on the first metal element 22 and the second metal element 23. In this embodiment, the first input point 220 of the first metal element 22 is disposed at the bottom end of the first input end 221a of the first connecting portion 221, and is attached to and connected to the first surface 21a of the antenna base 21 . The second input point 230 of the second metal element 23 is disposed at the bottom end of the side adjacent to the second input end 231a of the second connecting portion 231 and the first input end 221a, and is connected to the first surface 21a of the antenna base 21 Fit and connect. In this embodiment, the first frequency band is divided by the first input point 220 of the first metal element 22, the first connecting portion 221, the first extension section 222, the first section 223, the second section 225, and the third section. The path formed by the branch 228 is generated. The second frequency band is generated by the path formed by the second input point 230 of the second metal element 23, the second connecting portion 231, the second extension section 232 and the first block portion 233. The third frequency band is generated by the path formed by the second input point 230 of the second metal element 23, the second connecting portion 231 and the second extension 232. The fourth frequency band is formed by the path formed by the first input point 220 of the first metal element 22, the first connecting portion 221, the first extension portion 224, the first section 223, the second section 225, and the second branch portion 227. produce. The fifth frequency band is formed by the path formed by the first input point 220 of the first metal element 22, the first connecting portion 221, the first extension section 222, the first section 223, the second section 225 and the second branch section 227. produce. The sixth frequency band is generated by the path formed by the first input point 220 of the first metal element 22, the first connection portion 221, the first extension section 222, the first section 223 and the first branch portion 226. The seventh frequency band is generated by the path formed by the second input point 230 of the second metal element 23, the second connecting portion 231, and the second extension portion 234. It should be emphasized that the path corresponding to the seventh frequency band must include the extension end 234a of the second extension portion 234. The eighth frequency band is generated by the path formed by the second input point 230 of the second metal element 23, the second connecting portion 231, and the second block portion 235. It should be added that in this embodiment, the path length of the third branch portion 228 of the first metal element 22 is greater than the path length of the second branch portion 227, and the path length of the second branch portion 227 is greater than that of the first branch portion The path length of 226.

Figure 4 is an exploded view of the structure of the dual-signal input point eight-band receiving antenna applied to a 5G MIMO smart phone. As shown in the figure, in this embodiment, the eight-band receiving antenna 2 with dual signal input points is suitable for 5G MIMO smart phone 1. The 5G MIMO smart phone 1 includes a body 10 and a cover 11, and the body 10 and The cover 11 is combined. The eight-band receiving antenna 2 with dual signal input points is assembled on one end of the body 10 of the 5G MIMO smart phone 1, and can be covered by the cover 11 when the body 10 and the cover 11 are combined to be arranged in the 5G MIMO smart phone. Inside of mobile phone 1. The antenna base 21 is approximately a rectangular parallelepiped and is made of an insulating material. The insulating material can be, for example, but not limited to, an acrylonitrile-butadiene-styrene copolymer, and its third surface 21c and fourth surface 21d The corner between the corners is chamfered to match the contour of the 5G MIMO smart phone 1, but it is not limited to this. In some embodiments, the eight-band receiving antenna 2 of the dual-signal input point is further matched with a transmitting antenna (not shown), and the transmitting antenna is set at the other end of the 5G MIMO smart phone 1, but not This is limited.

Figure 5 is a comparison diagram of the standing wave ratio versus frequency change of the first group generated by the eight-band receiving antenna at the dual-signal input point of the preferred embodiment of this project. Figure 6 is the dual-signal input of the preferred embodiment of this project. The second set of standing wave ratio vs. frequency change comparison diagram generated by the eight-band receiving antenna at one point. Figure 7 is the third set of standing wave ratio generated by the eight-band receiving antenna at the dual-signal input point of the preferred embodiment of this project. The wave ratio versus frequency change comparison graph, and Figure 8 is a comparison graph of the standing wave ratio versus frequency change of the fourth group generated by the eight-band receiving antenna at the dual signal input point of the preferred embodiment of the present invention. As shown in Figures 5 to 8, the A-band, B-band and C-band in Figure 5 are the first frequency band (704MHz to 746MHz), the second frequency band (824MHz to 894MHz), and the third frequency band (880MHz). To 960MHz), the D band, E band and F band in Figure 6 are the fourth frequency band (1710MHz to 1880MHz), the fifth frequency band (1850MHz to 1990MHz) and the sixth frequency band (1920MHz to 2170MHz), Figure 7 The G band is the seventh band (2500MHz to 2690MHz), and the H band in Figure 8 is the eighth band (3410MHz to 3590MHz). The vertical axis in Figures 5 to 8 is the standing wave ratio (SWR) of the eight-band receiving antenna 2 at the dual-signal input point of this case, which is the gain value of the return loss (Return Loss). It has a linear relationship and can be calculated to convert the standing wave ratio to the gain value of the foldback loss. The horizontal axis is the resonance frequency of the eight-band receiving antenna 2 at the dual signal input point of this case. The standing wave ratio varies with frequency. Generally, a frequency band with a standing wave ratio below 3, for example, means that the antenna has a good effect in this frequency band. It can be seen from Fig. 5 to Fig. 8 that in the embodiment of this case, the standing wave ratios of the frequency bands A to H are all less than 3, so the eight-band receiving antenna 2 of the dual-signal input point of this case can indeed generate eight frequency bands from A to H. , That is, the aforementioned first to eighth frequency bands are applicable, and the frequency bands generated by the eight-band receiving antenna 2 of the dual-signal input point in this case all have good performance.

In summary, the eight-band receiving antenna of the dual-signal input point suitable for 5G MIMO smart phones in this case passes through the first connecting part, the first extension section, the first section, and the first metal element of the special form. The extension part, the second section, the first branch part, the second branch part, the third branch part, the second connection part of the second metal element, the second extension section, the first block part, the second extension part and the first Two blocks can achieve high-efficiency and high-gain eight-band resonance. Moreover, this project uses a single antenna module with dual signal input points to achieve the effect of eight-band resonance. Therefore, the eight-band receiving antenna with dual signal input points in this project not only effectively improves performance and gains, it is similar to conventional technology. Compared to this, it is more conducive to the miniaturization of applicable 5G MIMO smart phones and can reduce manufacturing costs.

This case can be modified in many ways by those who are familiar with this technology, but it is not deviated from the protection of the patent application.

1: 5G MIMO smart phone 10: body 11: Lid 2: Eight-band receiving antenna with dual signal input points 21: Antenna base 21a: first surface 21b: second surface 21c: third surface 21d: fourth surface 22: The first metal element 220: The first input point 221: first connection part 221a: first input 221b: First connection section 222: first extension 223: first section 224: The first extension department 225: second section 226: First Branch 227: Second Branch 227a: branch segment 227b: Extension 228: Third Branch 23: The second metal element 230: second input point 231: second connection part 231a: second input 231b: second connection section 232: second extension 233: Part One 234: The second extension part 234a: extension end 234b: Extension terminal 235: The second block A, B, C, D, E, F, G, H: frequency band

Figure 1 is a schematic diagram of the planar structure of the first metal element and the second metal element and the antenna base of the eight-band receiving antenna with dual signal input points of the preferred embodiment of the present invention.

Figure 2 is a schematic diagram of the three-dimensional structure of the eight-band receiving antenna at the dual-signal input point shown in Figure 1 viewed from the first viewing angle.

FIG. 3 is a schematic diagram of the three-dimensional structure of the eight-band receiving antenna at the dual-signal input point shown in FIG. 1 as viewed from a second perspective.

Figure 4 is an exploded view of the structure of the dual-signal input point eight-band receiving antenna applied to a 5G MIMO smart phone.

Figure 5 is a comparison diagram of the standing wave ratio versus frequency of the first group generated by the eight-band receiving antenna at the dual signal input point of the preferred embodiment of the present invention.

Figure 6 is a comparison diagram of the second set of standing wave ratio versus frequency variation generated by the eight-band receiving antenna at the dual signal input point of the preferred embodiment of the present invention.

Figure 7 is a comparison diagram of the third set of standing wave ratio versus frequency variation generated by the eight-band receiving antenna at the dual signal input point of the preferred embodiment of the present invention.

Figure 8 is a comparison diagram of the fourth set of standing wave ratio versus frequency variation generated by the eight-band receiving antenna at the dual signal input point of the preferred embodiment of the present invention.

2: Eight-band receiving antenna with dual signal input points

21: Antenna base

21b: second surface

22: The first metal element

220: The first input point

221: first connection part

221a: first input

221b: First connection section

222: first extension

223: first section

224: The first extension department

225: second section

226: First Branch

227: Second Branch

227a: branch segment

227b: Extension

228: Third Branch

23: The second metal element

230: second input point

231: second connection part

231a: second input

231b: second connection section

232: second extension

233: Part One

234: The second extension part

234a: extension end

234b: Extension terminal

235: The second block

Claims (10)

An eight-band receiving antenna with dual signal input points, suitable for a 5G MIMO smart phone. The eight-band receiving antenna with dual signal input points includes: An antenna substrate includes a first surface, a second surface, a third surface, and a fourth surface, wherein the first surface is opposite to the third surface, and the second surface is opposite to the first surface, the The third surface and the fourth surface are perpendicularly connected; A first metal element is disposed on the antenna base and includes: A first input point, which is based on the input signal; A first connection part includes a first input terminal and a first connection section, wherein the first input terminal is arranged on the first surface, and the first input point is arranged on the first input terminal, and the A connecting section is arranged on the second surface; A first extension section connected to the first connection section and arranged on the second surface; A first section, connected with the first extension section, arranged on the second surface and extending to the third surface; A first extension part connected to the first connection section, the first extension section and the first section, is disposed on the second surface and extends to the fourth surface; A second section connected to the first section and arranged on the third surface; A first branch, configured to receive a wireless signal of a sixth frequency band, connected with the first section, and arranged on the second surface; A second branch section is configured to receive wireless signals in a fourth frequency band and a fifth frequency band, and includes a branch section and an extension section. The branch section is connected to the second section and is connected to the second section. The three surfaces extend to the fourth surface, and the extension part is connected with the branch section and is arranged on the second surface; A third branch, configured to receive a wireless signal of a first frequency band, connected to the second section, and disposed on the third surface; and A second metal element is arranged on the antenna base and is spaced apart from the first metal element, and includes: A second input point, based on the input signal; A second connection part includes a second input end and a second connection section, wherein the second input end is disposed on the first surface, and the second input point is disposed on the second input end, the first Two connecting sections are arranged on the second surface; A second extension section, configured to receive a wireless signal of a third frequency band, connected to the second connection section, and set on the second surface; A first block part is configured to receive a wireless signal in a second frequency band, is connected to one end of the second extension section, is disposed on the second surface, and extends to the third surface; A second extension portion, configured to receive a seventh frequency band wireless signal, is disposed on the second surface, and includes an extension end portion and an extension terminal portion, wherein the extension end portion is connected to the second extension portion , The extension terminal part is connected with the second connection section of the second connection part; and A second block part, configured to receive a wireless signal of an eighth frequency band, connected with the second connection section and the extension terminal part of the second extension part, and arranged on the second surface; Wherein, the first extension portion and the first branch portion are respectively connected to opposite sides of the first section, and the second branch portion and the third branch portion are respectively connected to opposite sides of the second section, And the first branch portion and the third branch portion extend in the same direction; Wherein, the second extension section and the second block portion are respectively connected to opposite sides of the second connection section. Such as the eight-band receiving antenna with dual signal input points described in the scope of the patent application, wherein the first input point of the first metal element is set at the bottom end of the first input end of the first connecting portion, And is attached to and connected to the first surface of the antenna base, and the second input point of the second metal element is arranged at the second input end of the second connecting portion adjacent to the first input end The bottom end of one side is attached to and connected to the first surface of the antenna base. The eight-band receiving antenna with dual-signal input points as described in item 1 of the scope of patent application, wherein the first frequency band is composed of the first input point of the first metal element, the first connecting portion, and the first extension section , The first section, the second section, and the third branch portion are generated by the path, the second frequency band is generated by the second input point of the second metal element, the second connection portion, the first Generated by a path formed by two extension sections and the first block portion, and the third frequency band is generated by a path formed by the second input point of the second metal element, the second connecting portion and the second extension section , The fourth frequency band is composed of the first input point of the first metal element, the first connecting portion, the first extension portion, the first section, the second section, and the second branch portion Generated by the path, the fifth frequency band is determined by the first input point of the first metal element, the first connecting portion, the first extension, the first section, the second section, and the second division Generated by a path formed by a branch, and the sixth frequency band is formed by the first input point of the first metal element, the first connecting portion, the first extension, the first section, and the first branch The seventh frequency band is generated by the path formed by the second input point of the second metal element, the second connecting portion and the second extension portion, and the eighth frequency band is generated by the second metal element Generated by the path formed by the second input point, the second connecting portion, and the second block portion. For the eight-band receiving antenna with dual signal input points described in the scope of patent application, the path length of the third branch of the first metal element is greater than the path length of the second branch, and the second branch The path length of the branch is greater than the path length of the first branch. For the eight-band receiving antenna with dual signal input points described in the scope of patent application, the frequency of the first frequency band is between 704MHz and 746MHz, the frequency of the second frequency band is between 824MHz and 894MHz, and the frequency of the third frequency band is between 824MHz and 894MHz. The frequency is between 880MHz and 960MHz, the frequency of the fourth frequency band is between 1710MHz and 1880MHz, the frequency of the fifth frequency band is between 1850MHz and 1990MHz, the frequency of the sixth frequency band is between 2500MHz and 2690MHz, and the frequency of the seventh frequency band is between 2500MHz and 2690MHz. Between 1920MHz and 2170MHz, and the frequency of the eighth band is between 3410MHz and 3590MHz. For the eight-band receiving antenna with dual signal input points described in item 1 of the scope of patent application, the length of the first metal element is between 73.02 mm and 73.22 mm, and the width is between 17.46 mm and 17.66 mm, And the length and width of the second metal element are respectively smaller than the length and width of the first metal element, wherein the width of the first input end of the first connecting portion of the first metal element is between 1.40 mm and 1.60 mm The length is between 3.73 mm and 3.93 mm, the length of one side of the first connecting section of the first connecting portion is between 8.70 mm and 8.90 mm, and the length of the other side is between 2.90 mm and 3.10 mm , The length of one side of the second branch is between 7.53 mm and 7.73 mm, the width of the extension is between 1.90 mm and 2.10 mm, and the width of the third branch is between 3.10 mm and 3.30 mm , The second connecting portion of the second metal element, the extension terminal portion of the second extension portion, and the second block portion constitute a stepped structure with a total of six side lengths ranging from 8.90 mm to Between 9.10 mm, between 10.51 mm and 10.71 mm, between 20.30 mm and 20.50 mm, between 3.90 mm and 4.10 mm, between 11.30 mm and 11.50 mm, and between 6.51 mm To 6.71 mm, the combination of the second extension section and the first block portion together defines a side length, and the side length is between 2.90 mm and 3.10 mm. For the eight-band receiving antenna with dual signal input points described in the scope of the patent application, the first connecting section of the first connecting portion of the first metal element is approximately an S-shaped structure, and the first connecting The section, the first extension section, the first section, and the first branch part together form a U-shaped structure, and the first branch part and the first block part of the second metal element are arranged adjacently , There is an included angle between the branch section and the extension portion of the second branch portion. The eight-band receiving antenna with dual-signal input points as described in item 1 of the scope of patent application, wherein the second extension section of the second metal element has a ㄈ-shaped structure, and the second extension part is arranged in the ㄈ-shaped structure At the opening of the structure, the second connecting portion, the extension terminal portion of the second extension portion, and the second block portion together form a stepped structure. The eight-band receiving antenna with dual signal input points as described in the first item of the scope of patent application, wherein the antenna base is composed of an acrylonitrile-butadiene-styrene copolymer, the first metal element and the second metal The component is copper foil. For the eight-band receiving antenna with dual signal input points described in the first item of the scope of patent application, the antenna base is approximately a rectangular parallelepiped, and the corner between the third surface and the fourth surface is chamfered.

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