TW201228110A - Multiband antenna - Google Patents

Abstract

A multiband antenna includes a dielectric substrate, and a metal radiation layer disposed on the dielectric substrate surface. The metal radiation layer has a feeding part. The bottom right side of the feeding part is extended with a grounding part, and a symmetrical coupling part is crossly disposed on both sides. Both sides of the feeding part are symmetrically extended, from the bottom to the top, with a plurality of radiating parts horizontally arranged as branches and having preset path lengths, widths and gap sizes. The radiating parts are additionally extended with amplification parts or fine-tune parts having specific patterns. The left side of the feeding part has a junction part. Both are spaced at a specific spacing. The present invention utilizes a plurality of inverted F-shape metal radiation layers arranged horizontally arranged at branches to stimulate multiband resonant modes, and by regulating the spacing and extending the structural pattern of the radiation layers, the required operating bandwidth and impedance matching are regulated to realize the planar miniature antenna structure, thereby meeting the application environment of the notebook computer or vehicle communication system.

Description

201228110 VI. Description of the Invention: [Technical Field] The present invention provides a miniaturized multi-frequency antenna, in particular to an inverted F-type metal radiation layer structure having a plurality of horizontal branch arrangements, by extending the structure of the light-emitting layer Multi-frequency antenna for wire handling and impedance matching. [Prior Art]

Nowadays, in order to meet the needs of mobile communication and convenience, the design of the antenna structure with small size, light weight and (4) good frequency band signal has become an inevitable trend in the wireless communication environment. ...the antenna is like a radio frequency tiger that converts the circuit board into a electromagnetic wave, so that it can transmit between the wireless transmitter and the receiver, or convert the electromagnetic wave into an RF signal for use in the circuit. . The transmitter antenna excites the touch (near field) (four) field or magnetic field to convert the electrical signal into electromagnetic waves. For example, the inverted-F antenna is composed of three parts: a light-emitting component, a transmission line and a junction plane. The design of the sky-width must consider the length and width of the light-emitting component and the height of the ground plane, but it is limited by Light = plane and ground level _ specific height distance requirements can not be adjusted arbitrarily (four) ^ piece volume can not be effective _ reduce, miscellaneous to reach the antenna === seeking. The rotten parts are usually made of gold and 4 pieces of space inside the electronic product. The structure of the antenna must be multi-faceted or curved to make the mold harder. It must be tested for many times. In addition to the cost increase, the junction of the wire antenna 2〇1228li can be affected by the microstructure change caused by the material deformation stress, which will affect the electrical characteristics of the antenna. In order to achieve light, thin, short, and small requirements on the antenna volume, it usually reduces or affects some of the parameter performance. In particular, the antenna design is limited by its physical characteristics. In the miniaturization process, the antenna gain is often insufficient. Poor width, therefore, how to reduce the size of the antenna

Effectively improving the side X, commission record and antenna lightness has become the primary improvement target today. [Summary of the Invention]

The main object of the present invention is to provide a miniaturized multi-band antenna 'Using an inverted F-type extended metal light-emitting structure to excite a multi-band resonance mode, which is applied to receive LTE (700/2300/2500), WWAN (GSM850, GSM900, DSC, PCS, UMTS), IMT-E, GPS,

Operating frequency bands such as WiMax (2.3/2.5/3 5GHz), Bluet〇〇th and muscle application, or their demand for fresh antennas, so that each resonance frequency point

Both have omnidirectional (〇mni_Directi〇nal) radiation pattern and good gain characteristics. , , ""A purpose is to provide - a variety of adjustments to each frequency band ^b ^ reduce the antenna body sense 11 shot, turn, fresh frequency antenna is easier to "use in notebook computers or car communication systems. Up to the point of view, the present financial frequency antenna purely contains: - dielectric substrate, the surface of the substrate is set - metal light-emitting layer, the gold diffusing layer is provided with one or two = 2 parts below the right side extending out a grounding portion, and Between the two sides of the joint, the bottom of the feed is symmetrically extended from the bottom to the top -> 4.1 4 201228110 A number of horizontally separated filaments with radiation, width and 1 gap size The radiation portion further extends a lightening portion and a fine adjustment portion of a specific structure; wherein the feeding portion has a connecting portion on the left side thereof, and the feeding portion and the connecting portion are spaced apart from each other by a specific (slot) pitch. The multi-band resonant mode is generated by using the light-emitting portion of the plurality of horizontal branching structures, and the grounding portion protruding from the right side of the feeding portion and the two sides are symmetrical (10) The resulting grounding inductance and parasitic structure are used to tune The integer input impedance is matched to increase the bandwidth characteristics, and by adjusting the frequency resonance effect of the different current paths generated by the specific (slot) spacing, the required operating bandwidth and impedance matching are adjusted, and then - Step!! _ The ray section extends the operation of the wheel-increasing part of the specific structure and the frequency band of each of the frequency bands, wherein the upper (four) (four) path length, width, and gap size are set to be larger than almnm, and the above specific ( The slot size is set to be greater than or equal to 1 mm. In the first preferred embodiment, a multi-frequency antenna is disclosed: the left side of the feeding portion of the single-sided metal radiation layer of the dielectric substrate extends four jurisdictions. The shooting part's symmetry extends to the right side of the upper part of the human part, and the three touch parts and the ground part are symmetrically extended. The uppermost one of the above-mentioned feeding part is set as a low-frequency radiating part to the lower part of the lower part. The remaining feeding portions are arranged on the two sides of the feeding portion, and the total of the six transmitting portions are set to an intermediate frequency light-emitting portion to generate a common mode of the medium=operating frequency band. The low-frequency radio frequency band width of the multi-frequency antenna of the present invention is 819 to 973 MHz ( He) and a width of the case coffee

In the preferred embodiment of the second embodiment, the multi-frequency antenna is exposed: the light-emitting substrate extends to the left side of the feeding portion of the metal surface of the Xingchang, and four light-emitting portions are extended, and the above-mentioned feeding portion is extended by the right side. A three-shot part and a grounding part. The uppermost part of the feeding portion on the left side of the feeding portion is set as a low frequency surface emitting portion to generate a low frequency operation fresh resonance enthalpy, and the remaining feeding portions are arranged on the two sides in a total of six _ portions, and are set as the intermediate frequency radiating portion. A resonant mode of the intermediate frequency operating band is generated. The low frequency light RF band width of the multi-frequency antenna of the present invention is between 813 and 993 ΜΗΖ (megahertz), and the cap radiation band 201228110 is deleted ~ 2i9_U (6) shot: low by - the maximum pp. - low _ intermediate frequency _ Qiu Canshi "1 solid 軏 shot. Hf, Lin Iι path length is the first... arranged in the square with the γ Γ portion; the ground portion is provided below the sixth middle astigmatism portion for connecting a ground plane to conduct. 伸 Ί仃 Ί仃Embodiment towel, the above-mentioned first frequency 外 端 端 = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = The outer end of the detail is extended in step--the step of increasing the weight of the lightening part can be set to a rectangular structure or other _ configuration. 6 The width is between 1703 and 2193 MHz (dead Hz). The structure of each of the light-emitting parts of the preferred embodiment is similar to that of the above-described first preferred embodiment, and the difference between the two is only the spacing of the slots is set to the slot pitch of the wire portion. The present invention is in the third preferred embodiment. In the middle, step forward reveals a multi-frequency antenna: it is placed on the left side of the dielectric substrate The seven wheel-forming portions symmetryly extend six light-emitting portions and one ground portion on the right side of the feeding portion. The four light-emitting portions of the feeding portion are arranged from top to bottom in the uppermost position on the left side of the feeding portion, and are set to - The low audible portion generates a resonant mode of a low-frequency band, and the remaining feeding portions are arranged on both sides of a total of nine radiating portions, and are set to a frequency stroboscopic portion and a high-frequency radiating portion to generate an intermediate frequency operating band and Resonance mode of the high frequency operation band. The frequency of the frequency band is 663~993MHz (MHz), and the above intermediate frequency light RF band width is between 1689~2190MHz (MHz), and the above high The frequency of the radio frequency band is between 2449 and 2783 MHz (MHz). The above-mentioned low-frequency training part is composed of the low-frequency light-emitting part recorded by Si Cai Tong Lu, and is ranked by the upper line according to the length of the path - the low frequency _ part 'second a low-frequency radiating portion, a third low-frequency radiating portion, and a fourth low-frequency radiating portion; the high-frequency radiating portion is composed of two high-frequency radiating portions of the lowermost two different path lengths on the left side of the feeding portion, and is up-and-down according to the length of the path Arranged into - a high frequency (four) portion and a second high interest portion; the intermediate frequency light-emitting portion is an intermediate frequency light-emitting portion having six identical path lengths on the right side of the feeding portion, and is disposed on the left side of the feeding portion and is different from other intermediate frequency light The first intermediate frequency radiating portion of the beam path length 201228110 is formed, and the frequency radiating portion and the first high frequency light emitting portion=== the emitting portion is disposed in the fourth low intermediate frequency radiating portion and arranged in the second intermediate frequency radiation from top to bottom. The ς part = six parts and the seventh intermediate frequency light-emitting part, the sixth intermediate frequency radiation _. m,., the grounding part is set in the seventh intermediate frequency radiation part, and the grounding-ground plane is turned on. End-step extension - the #七中射射部 inverted T-shaped structure or other structural form; 7 〃 a fine-tuning part can be set to one

Finally, in the present, Dihao Jiashi _, a multi-frequency antenna is revealed. The first feeding part of the first metal radiation layer on the front side of the dielectric substrate is left: seven _ parts are extended, and the above-mentioned The right side of the feeding portion is symmetrically extended to the left side of the second feeding portion of the first metal wheel layer on the back surface of the dielectric substrate, and six light-emitting portions are extended, and the second feeding portion of the second feeding portion extends three jurisdictions. Shooting department. The lower portion of the left side of the first feeding portion is sequentially arranged from the top to the bottom of the four light-emitting portions H low-transmission portion to generate a low-frequency operation fresh resonance mode; the first-feeder portion is the lowermost three-shot portion of the left side, a high-frequency radiation portion is generated to generate a resonance mode of the high-frequency operation (4); the six-spot portion on the right side of the first portion and the nine-radiation portion on both sides of the second feed portion are set as the medium-frequency commission portion. A resonant mode of the intermediate frequency operating band is generated. The multi-frequency antenna of the present invention has a low-frequency radio frequency band width of 646 to 983 Mfe (megahertz), the intermediate frequency radiation band width is between 15 〇 3 and 2 963 MHz (MHz), and the high-frequency radiation band width is 2396 〜 2646 MHz. Between (megahertz). 2〇1228ll〇部结构:::The shooting part is composed of four low-frequency radiating parts of different path lengths, and the length of the first length is arranged from top to bottom to the first low-frequency radiation. The first-feeding portion is composed of the uppermost three upper and lower lion's W-shooting portions, and the high-static light-emitting portion, the second high-frequency radiation portion, and the third right gamma/σ_' are used according to the path length. The above-mentioned first-feeding part

Feeding the length of the _ part, and the _shooting part of the three different path lengths on the left side of the second and the right side constitutes six intermediate frequency parts of the right side of the feeder part of the flute, and is arranged from top to bottom. The fifth intermediate frequency ray portion and the sixth intermediate frequency light ray portion are arranged in the above-mentioned fifth clock, and the middle astigmatism portion of the six different path lengths on the upper side is the ninth _ „ non-listed into the red transmission unit, the first The eighth part, the tenth part, the tenth 第, the first astigmatism part, the tenth-middle part of the ray section, are arranged in order from the top down to the thirteenth intermediate frequency, the second long degree HP« and the tenth The fifth grounding portion is provided; the grounding portion is disposed on the left side of the feeding portion: a structure that can be set to be ', a rectangular opening/structure or the like. The portion (four)' is set to be larger than the intermediate frequency P knife. The length is composed of at least one or more of the 201228110=details of the length _ length; the middle miscellaneous part is set to be less than the above-mentioned low-frequency partial length, and the two-radiation of the different lengths or different path lengths; the above-mentioned fine radiation Part of the system is set to be smaller than the above-mentioned intermediate frequency == way, the number of the financial line of the high-frequency Korean invention _ gold _ layer simple number of horizontal branches The light-emitting structure is used to excite the multi-band resonance mode, and between the slots

The distance and the structure of the extended radiant layer are used to adjust the required operating bandwidth and impedance matching to achieve a planar microscopic antenna structure. Therefore, the multi-frequency antenna of the present invention can be adjusted to meet different operating frequency bands and become a multi-frequency antenna design. The directional field type f of the omnidirectional field is well-adjusted, and the energy-reducing domain __shooting structure allows Multi-frequency antennas are easier to integrate into secret notes, brains or car news. [Embodiment]

The pattern is to facilitate a clearer understanding of the structure and characteristics of the multi-frequency antenna of the present invention, and the detailed description of the pattern is as follows: First. Referring to the first preferred embodiment shown in FIG. 1, the multi-frequency antenna 10 of the present invention comprises a small core plate 2G having a specific ruler core, and a metal light beam is disposed on one side (front side) of the dielectric substrate 20. The layer 30 is provided with a feeding portion 3, a grounding portion 37' extending from the right side of the feeding portion 31, and a pairing portion 32 on both sides. The present invention is characterized in that four feeding portions are extended on the left side of the feeding portion 31 and three Korean shooting portions are symmetrically extended on the right side, and the left side of the feeding portion 31 is left 2〇122811, and the right side of the feeding portion 31 is extended from the bottom to the top. The slanting has a set path length, and the illuminating portion of the metal-emitting layer 30 of the ejector portion generates a multi-band (low-frequency 'intermediate frequency) resonant mode; the above-mentioned light-emitting portion extends out - a first fine-tuning portion having a specific structural form, The second trimming unit 37 and the lightening unit 335 are configured to adjust the operating bandwidth of each of the frequency band regions (5). The feeding portion 3 is disposed on the left side to vertically connect the connecting portions 38 between the detailed portions (S_, both Separate each other by a specific spacing _, by adjusting

/ Connect the spacing between the 卩38 and the feeder 31 to adjust the desired operating band width and impedance matching. Wherein, the path length, the width and the 嶋 size of the radiation portion are set to be larger than 0.1 mm or more; and the upper lion's nucleus is larger than l mm or more. The dielectric substrate 20 can be used as a ceramic substrate or a printed circuit substrate or an engineering plastic base minus other composite substrate. The symmetrical coupling portion 32 and the portion 37 have a common surface. In the land connection, a feeding point 311 is disposed at a lower end of the feeding portion 31, and the feeding point 311 is electrically connected to the transmission line and the line 40-pole, and the transmission line 4 is connected to the other pole and a ground plane 5 The grounding point 51 constitutes an electrical connection, and transmits and receives RF signals by two. In the first preferred embodiment, the ground plane 50 may have an area of 297 mm (mm) and a width of 21 mm (millimeter). Referring to FIG. 2, the uppermost ray portion on the left side of the feeding portion W is set as a low frequency radiating portion 33 to generate a resonant mode of the low frequency operating band, and the remaining three feeding portions of the feeding portion 31 are three radiating portions and three sides on the right side. a radiating portion, which is set to an intermediate frequency radiating portion 34 to generate a resonant mode of the intermediate frequency operating band 201228110. The light-shooting system is the most tender and the first low frequency is determined by the length of the path: "The frequency is 341, the first The two intermediate frequency radiating portions 342 and the first 辐射: Μ; the three radiating portions on the right side of the feeding portion 31 are composed of the middle absorbing portion of the phase of the money, and are arranged from the top to the bottom to form the fourth intermediate frequency. , the fifth middle astigmatism part 345 and the sixth intermediate frequency lucky sneak shot secret;

The grounding portion 37 is disposed under the sixth intermediate frequency light-emitting portion for connecting the conduction of a ground plane 5〇. In the non-preferred embodiment, the outer end of the sixth intermediate frequency light-emitting portion 346 is extended to extend to the -th fine adjustment portion 356, and the first fine adjustment portion 356 can be configured as an inverted τ-shaped structure; the grounding portion 37 is The outer end step further extends a second micro bucket P 371 'the second fine adjustment portion 371 can be set to an elongated structure; the outer end of the low frequency firing portion 331 further extends a nucleus portion 335. The Korean part 335 can be set as a rectangular structure.

However, this is only used to exemplify the structure of the first fine adjustment part 356 'the second fine adjustment part 371 and the amplification part 335, and is not limited, that is, the first fine adjustment part 356, the second fine adjustment part 371 and the amplification part 335 are also used. Can be set to other different structural forms. The miniaturized multi-band antenna of the present invention uses an inverted F-type extended metal radiation structure to excite a multi-band resonant mode, and the antenna size can be reduced to 81, 5 mm (millimeter) long and 7 mm (millimeter) wide. Thick 〇.5mm (mm), and produces a multi-band resonance 12 with a low frequency radiated band width of 819~973MHz (MHz) and an intermediate frequency radiated band width of 1690~2190MHz (MHz) 201228110 modal, suitable for receiving wireless WAN GSM85〇, GSM9〇〇, DSC, PCS, UMTS bandwidth (824~894MHz, 890~960MHz, 1710~1880MHz, 1850~1990MHZ, 1920~2170ΜΗή) as defined by the wireless wide network 'WWAN agreement The band operation band range. Referring to Fig. 3, the specific pitch (Gap) G of the multi-frequency antenna 10 of the present invention between the feed portion 31 and the connection portion 38 is set to 9 mm (mm), 15.5 mm, respectively. When PCT) and 22mm (mm), there are three kinds of return loss (Return Loss) that do not have the same resonance effect. As shown in the figure, when the specific pitch G is set to 15.5mm (mm), the most Jiahua's operating bandwidth and Referring to FIG. 4, the path length L of the multi-frequency antenna 10 in the first low-frequency radiating portion 331 of the first preferred embodiment of the present invention is set to 48.5 mm (millimeter) and 53.5 mm (millimeter), respectively. And 58.5mm (gongdong), there will be three different resonance effects of return loss (Return Loss), shown by the figure, the length L is set to 53.5mm (mm), can be optimized • Frequency matching and impedance matching. Please refer to Figures 5 and 6 to measure the multi-frequency antenna of the present invention. The low-frequency 900MHz (megahertz) and the mid-range 1900MHz (megahertz) are good for the field type (RadiationPatterns). In the figure, 'Xy plane, yZ plane and xz plane are respectively displayed, and there is no obvious radiation dead zone, which has near-omnidirectional radiation field characteristics. Please refer to Figure 7 to measure the multi-frequency antenna of the present invention. The radio frequency band GSM850, GSM900 peak gain (Peak Gain) and spoke 13 201228110 Radiation EfFlciency diagram show that the low-frequency band has a peak gain of 1.27~3dBi ' II emission efficiency is 51% or more; IF band DSC , PCS, UMTS peak gain For the 2 74~4_ shooting performance is better than 69%. Tian from the above illustrated amount of fruit, you can know that the B-moving drum line ι〇 and has a very good gain value and paving performance, can (4) The wireless wide area network (WWAN) adopts the operating frequency band range. Referring to the second preferred embodiment shown in FIG. 8, the multi-frequency antenna 10a of the present invention comprises a dielectric substrate 2 〇 & of a specific size, on one side (front side) of the dielectric substrate 20a. A metal thin layer 3 is disposed. The metal light-emitting layer 30a is provided with a feeding portion 31a. The feeding portion extends to the right side of the ground portion 37a' and a symmetry consuming portion is arranged on both sides. The invention is characterized in that: four light-emitting portions extending from the left side of the feeding portion 31a and three light-emitting portions extending symmetrically on the right side, and a plurality of horizontal branching structures extending from the bottom to the top by the feeding portion And having a set path length, a width, and a _ size_strip, causing the metal hantom layer 30a to generate a multi-band resonant mode; the light-emitting portions are extended on both sides - a portion 335a having a specific structural form, first The fine adjustment unit 356a and the second fine adjustment unit 371a are configured to adjust the operation bandwidth of the low frequency and intermediate frequency band sections, and the left side of the feeding portion 31a is further provided with a connection portion 38a (Stub) perpendicularly connected between the respective light-emitting portions. The two are spaced apart from each other by a slot 39a pitch, and the required operating bandwidth and impedance matching are adjusted by adjusting the pitch of the slot 39a between the connecting portion 38a and the feeding portion 31a. Here, the path length, the width, and the gap size of the radiation portion are set to be greater than or equal to 0.1 mm in the range of 12 201228110, and the pitch (sl〇t) of the groove 39a is set to be larger than 1 mm or more. The dielectric substrate 20a may be one of a ceramic substrate or a printed circuit board or an engineering plastic substrate or other composite material substrate; the symmetrical coupling portion 32a is electrically connected to a ground plane 5A; the ground portion 37a An electrical connection is formed with a ground plane 5〇a; a feed point 311a is disposed at a lower end of the feed portion, and the feed point 311a is electrically connected to a transmission line 4〇a, and the other end of the transmission line 40a is A grounding point 51a on the ground plane 5〇a constitutes an electrical connection for transmitting and receiving RF signals. In the second preferred embodiment, the above-mentioned grounding level Φ 50a φ product can be set to be 297 mm (mm) long and 210 mm (millimeter) wide. Referring to Fig. 9, the uppermost radiation portion on the left side of the feeding portion 31a is set as a low-frequency radiating portion 33a to generate a common mode of the low-frequency operating band. The remaining three feeding portions 31a on the left side of the feeding portion 31a and the right side The three light-emitting portions 'set to the -t-frequency light-emitting portion 34a to generate a resonant mode of the $frequency operating band. The low frequency radiating portion 33a is radiated by a first low member of a maximum path length. The 卩331a is configured; the three radiating portions on the left side of the feeding portion 31a are composed of intermediate frequency generating portions having different path lengths, and are arranged in the first intermediate frequency light-emitting portion according to the length of the path, and the second intermediate portion The frequency light-emitting part is, for example, a ^ and the third intermediate frequency light-emitting part 343a; the above-mentioned feeding part commits the three radiations of the right side, which are composed of the intermediate frequency and the Korean part of the same path length, and are arranged from the top to the bottom to form an intermediate frequency. The portion 344a, the fifth intermediate frequency radiating portion 345a, and the sixth intermediate frequency radiating portion are known as P34. The grounding portion 37a is provided at a side of the second intermediate frequency radiating portion 346a at 201228110 for connecting a grounding level (four)a. The outer end of the sixth intermediate frequency light-emitting portion 346a further extends a first fine adjustment portion 356a, and the first fine adjustment portion 3 can be configured as an inverted τ-shaped structure or other ',' mouth configuration, the grounding portion milk The outer end further extends a second fine adjustment 4 371a 'the second fine adjustment portion 371a can be set to a long strip structure or a potted structure; the outer end of the first low frequency radiating portion 331a further depends on Zeng Tian 4 33Sa, The light-increasing portion 33Sa can be set to a rectangular structure or other structural form. • The miniaturized rural-band antenna 10a of the present invention illuminates the multi-band resonance mode by the F-extension metal radiation structure, and can reduce the antenna size to 83 mm (mm) long and 7 legs (mm) wide. 0.5mm thick (mm), and produces a low-frequency radiation bandwidth of 813~993MHz (megahertz) and an intermediate frequency radiated bandwidth of 1703~2193MHz (megahertz) multi-band resonance mode can be applied to receive wireless wide area network (Wireless Wide area

The multi-band operating band range used by the GSM 850, GSM 900, DSC, PCS, and UMTS bandwidths (824 to 894 MHz, 890 to 960 MHz, l7i to 1880 MHz, 1850 to 1990 MHz, and 1920 to 2170 MHz) as defined by the Network's WWAN protocol. Referring to FIG. 10, the pitch S of the slot 39a between the feed portion 31a and the connecting portion 35a of the multi-frequency antenna 100a of the present invention is set to 9.5 mm (millimeter) and 15.5 mm (mm), respectively. At 21.5 mm (mm), return loss (Return Loss) is generated for two different resonance effects, which is shown in the figure, 'Optimized when the slot pitch S is set to 15.5 mm (mm) Operating bandwidth and impedance matching. 16 2〇l228li〇Please refer to FIG. 11 'The length U of the multi-frequency antenna 10a of the present invention at the first intermediate frequency radiating portion 341a is set to l〇.5 mm (mm), 16.5 mm (mm), and 22.5, respectively. In mm (mm), the return loss (RetumLoss) of three different resonance effects is generated. It is shown by the figure that when the length u is set to 16.5 mm (mm), the optimized operating bandwidth and Impedance matching. Referring to Figures 12 and 13, the multi-frequency antenna l〇a of the present invention is measured in the low-frequency band 900 MHz (megahertz) and i9 〇〇 MHz (megahertz) Radiation Patterns. The plane, yz plane and xz plane have no obvious radiation dead zone and have close to omnidirectional radiation field characteristics. Referring to FIG. 14 , the multi-frequency antenna 1 〇 a of the present invention is measured in the peak gain (Peak Gain) and the Radiation Efficiency graph of the low frequency Xingchang radio frequency band GSM850 and GSM900, and the peak gain of the low frequency radiation band is shown as 1.49~3.45dBi, the radiation efficiency is more than 5〇%; Please refer to Figure 15 to measure the peak frequency of the multi-frequency antenna 1〇a of the present invention in the intermediate frequency light radio frequency band DSC, PCS, UMTS and Radiation Efflcieney shows that the peak gain of the IF radiation band is 2.74~4.15dBi, and the light-emitting efficiency is better than 57%. From the measurement results of the above two figures, it can be known that the multi-frequency antenna i〇a of the present invention has a good gain-like performance, and can satisfy the multi-band operation frequency range of the wireless __ (WWA> 〇 Referring again to the third preferred embodiment shown in FIG. 16, the present invention also includes a dielectric substrate of 2% of a specific size, and the dielectric substrate is provided with a metal radiation on the early side (front side) of the 201228110. Layered through; the above-mentioned metal Xingchang shot layer is provided with a feeding portion 31b. A feeding portion 37b' extends from the lower right side of the feeding portion 31b and a symmetrical coupling portion 32b is disposed on both sides.

The present invention is characterized in that: seven feeding portions are extended on the left side of the feeding portion 31b, and six radiant portions are symmetrically extended on the right side of the upper engaging portion 31b, and the left and right sides of the feeding portion 31b are symmetrically extended from bottom to top. a horizontal branch with a set of length, width and gap size of the strip, so that the metal layer is multi-band and the radiation portion extends out of a specific structure of the first fine-tuning portion for adjustment The operating bandwidth of the intermediate frequency band section; the left side of the feeding portion 31b is further provided with a vertical portion and the connecting portion 38b between the connecting portions (4) is separated from each other by a specific interval (Gap) by adjusting the connecting portion 38b. The spacing between the feed and the training is adjusted to adjust the required operating bandwidth and impedance matching.

The length, the width, and the _ size of the above-mentioned shot portion road are set to be equal to or larger than 1 mm. The dielectric substrate 2Gb can be used as a ceramic substrate or a printed circuit board, or a tissue of a plastic substrate or other composite tilting substrate; . The 卩32b and a grounding portion are electrically connected to a ground plane gentleman; the lower end of the feeding portion 31b is provided with a feeding point 311b, and the input point 311b is electrically connected with the transmission line meter pole, and the two lines are 40b $- pole and a grounding plane in a township to form an electrical connection, _ launch level _ 峨. In the third preferred embodiment, the area of the ground plane 50b can be set to be 240 mm (mm) long and 201228110 210_ (mm) wide. Please refer to Figure 17 for the low-frequency operating band (4) cut from the top left of the upper can.卩 — 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频 低频The resonance mode of $na and high-turn gamma. Lai ΓΓ ΓΓ / min 33b is a low frequency by four different path lengths

According to the length of the path, the first low frequency and the m low low transmitting portion 332b and the third low miscellaneous portion 333b the radiating portion 334b are arranged from top to bottom; the high frequency radiating portion 36b is the upper left side of the upper 2 "lb_ The high-frequency light-emitting portion of the length of the unobscured path is arranged from the top to the bottom according to the length of the path to the first-high ray portion and the first-span frequency portion 362b; the intermediate frequency radiation is partially from the above-mentioned feeding portion 3lb a plurality of t-sequence portions of the same path length on the right side and a first intermediate-frequency radiation portion disposed on the left side of the feed-in portion 31b and different from the length of the path of the other meso-scale portion, and the first intermediate-frequency light-emitting portion is disposed The six intermediate frequency radiating portions on the right side of the feeding portion 31b between the fourth low frequency radiating portion 334b and the first high frequency radiating portion 36 are arranged from the top to the bottom in the second intermediate frequency radiating portion 342b and the third intermediate frequency. a radiation portion 343b, a fourth intermediate frequency radiation portion 344b, a fifth intermediate frequency radiation portion 345b, a sixth intermediate frequency satellite portion 3 touch, and a seventh frequency-frequency radiating portion 347b; the ground portion 37b is disposed at the seventh intermediate frequency radiation Below the portion 347b' is used to connect the conduction of a ground plane 5〇b. The outer end of the seventh intermediate frequency radiating portion 347b further extends, and the first fine adjustment portion 356b' can be configured as an inverted τ-shaped structure or other Γ Γ 1 201228110. The miniaturized multi-frequency antenna 10b of the present invention utilizes an inverted F-type extended metal radiation structure to excite a multi-band resonance mode, and can reduce the antenna size to a length of 96 mm (mm), a width of li. 2 mm (millimeter), and a thickness. .5mm (millimeter), and produces low-frequency light RF band width of 663~993MHz (MHz), intermediate frequency radiation band width of 1689~2190MHz (MHz) and high-frequency radiation band width between 2449~2783MHz (MHz) Multi-band resonant mode, suitable for receiving Long Term Evolution (LTE700;) • Bandwidth (697~798MHz), wireless wide area network (wireless wide area)

GSM850, GSM900, DSC, PCS, UMTS bandwidth (824 to 894MHz '890 to 960MHz, 1710 to 1880MHz, 1850 to 1990MHz, 1920 to 2170MHz) and IMT-E (2500 to 2690MHz) as defined by the Network, WWAN) The multi-band operating band range is adopted. Referring to Fig. 18, when the length L1 of the first low-frequency radiating portion 33lb of the present invention is set to 59 mm (mm), 67 mm (mm), and 75 mm (meal), respectively, the multi-frequency antenna 1b of the present invention is The Return Loss, which produces three different resonance effects, is shown by the figure. When the length u is set to 67 mm (the common), the optimized operating bandwidth and impedance matching can be obtained. Referring to FIG. 19, the multi-frequency antenna of the present invention moves at a length M1 of the first intermediate frequency radiating portion 341b to be 21 mm (mm), 3 〇 (male), and 3 (mm). The return loss of three different resonance effects will be generated. It can be clearly seen from the figure that when the length 吣 is set to 3 〇 (mm), the optimized operating bandwidth and resistance can be obtained. Anti-match. Referring to Fig. 20, when the length H1 of the multi-frequency antenna 1b of the present invention is set to 21 mm (mm), 26_ (m), and 31 mm (mm), respectively, in the first high-frequency wheel portion 361b. 'Return Loss, which produces three different resonance effects, is clearly shown in the figure. When the length H1 is set to 26 mm (mm), an optimized bandwidth is obtained. Referring to Figures 21 and 22, the multi-frequency antenna l〇b of the present invention is measured in a low-frequency band of 800 MHz (megahertz) and a mid-band 26 〇〇mhz (megahertz) radiation pattern (Radiation Pattern), respectively. The xy plane 'yz plane or xz plane has no obvious radiation dead zone and has near-omnidirectional radiation field characteristics. Referring to FIG. 23, the multi-frequency antenna 1〇b of the present invention is measured in a high-frequency 2600 MHz (megahertz) light-radiation field type (Radiati〇n Pattems), and the xy plane, the yz plane, and the xz plane are respectively displayed. The radiation blind zone, also has no obvious radiation blind zone, and also has near-omnidirectional radiation field characteristics. Referring to FIG. 24, the multi-frequency antenna 1〇b of the present invention is measured in the peak gain and the Radiation Efficiency of the low-frequency radiation bands LTE700, GSM850, and GSM900, and the peak gain of the low-frequency radiation band is displayed. Is 1.01~2.42dBi, the radiation efficiency is 54%, please refer to Figure 25 to measure the peak gain (PeakGain) and radiation performance of the multi-frequency antenna i〇b of the present invention on DSC, PCS, UMTS, IMT-E (Radiation) Efficiency ) shows that the peak interest of the IF light RF band 201228110 (DSC, PCS, UMTS) is 3 〇 3~5 7 娜, the light-emitting performance is more than 55%; the high-frequency wheel RF band (imT-E) The peak gain is 丨72~ 5.48dBi, and the radiation efficiency is 50% or more. It can be known from the measurement results of the above two diagrams that the multi-band antenna l〇b of the present invention has stable gain value and radiation performance, and can satisfy the multi-band operation frequency band range adopted by LTE700, WWAN and IMT-E. . Finally, referring to the fourth preferred embodiment shown in FIG. 26, the multi-frequency antenna 10c of the present invention comprises a dielectric substrate of a size, and a first metal radiation layer is disposed on the front surface of the dielectric substrate 20c. 30c. Further, a second metal radiation layer 3〇d is disposed on the back surface of the dielectric substrate 20c. The first metal arcing layer 30c is provided with a first feeding portion 3ie. A grounding portion 37c extends from the lower side of the first feeding portion 31c, and a symmetrical coupling portion 32c is disposed on both sides. The second metal radiating layer 3〇d is provided with a second feeding portion 31d. The dielectric substrate 2〇c is provided with a via hole 52, and the via hole 52 is an electrical connection hole of the first metal radiation layer 30c and the second metal radiation layer 30d. The invention is characterized in that: the first feeding portion 31c extends seven projections on the left side and the right side symmetrically extends six radiation portions; on the left side of the second feeding portion 31d, six radiation portions are extended and the right side symmetrically extends three The radiation portion 'strips through a plurality of horizontal branch array structures extending through the left and right sides of the first feeding portion 31c and the second feeding portion 31d and having a set path length and width, so that the first metal radiation layer 3〇 c and the second metal radiating layer 30d generate a multi-band resonant mode; the first feeding portion 31c of the first feeding portion 31c is further provided with a vertical portion connecting the connecting portions 38c (s(s) between the radiating portions, and the two are separated from each other - The slot pitch 39c (S1♦ adjusts the required operating bandwidth and impedance matching by adjusting the slot 39 between the connecting portion 38c and the feeding portion 31c; the left side of the first feeding portion 31c extends to a specific structure The augmentation unit 335c is configured to adjust the operation bandwidth of the intermediate frequency band section. The t, the guessing path length, the width, and the gap size are set to be greater than O.lmnm; and the upper and lower limits are provided for more than imm. As shown in FIG. 27, the dielectric substrate 2〇c can be used as a ceramic substrate, a printed circuit board, an engineering plastic substrate or another composite substrate, and the above-described symmetry surface portion 32c and a ground. The part price ^ is connected to the ground plane 5〇c to form an electrical connection; the lower end of the feed portion We sighs - the feed point 311c 'the feed point 3Uc and the transmission line tear one pole to form an electrical connection' and the transmission line 4〇 The other pole is electrically connected to the grounding point 51c of the ground plane 5 for transmitting and receiving the radio frequency signal. In the fourth preferred embodiment, the ground plane 50 area can be set to be 240_ long.厘), width 21〇_ (mm). Please refer to the figure #26, the first feeding part of the left side of the left side of the four light shots arranged in order from top to bottom, set to a low frequency light shot Partially speaking, a resonance mode of the low frequency operation band is generated; and the two radiation portions at the leftmost side of the first feeding portion 1 are set as a resonance mode in which a high frequency radiation portion is applied to generate a fine operation band; the first feeding portion 3k The right side of the six shots mixed with the above second feed part 3ld left six Normalizing Γ and a right portion wheels emitting portion 'is set - in the exit portion 34e output to produce an intermediate frequency of the operation frequency ▼ resonant mode.

23 201228110 The low-frequency light-emitting portion 33c is composed of four low-frequency radiance portions of different path lengths. The first low-frequency radiation portion 331c, the second low-frequency light-emitting portion 332c, and the third low frequency are arranged from top to bottom according to the path length. The radiation portion and the fourth low-pitched portion 334c; the high-transmission portion 36e is a high-frequency light-transmitting light having three different path lengths on the left side of the left side of the first feeding portion 31C. P constitutes 'the first high-frequency ray-emitting portion 36k, the second high-frequency 姊 portion paper, and the third high-frequency light-emitting portion 363c from top to bottom according to the length of the path; the intermediate frequency radiating portion 34c is respectively made of the above An intermediate frequency 姊 portion of six different path lengths on the right side of the feeding portion, and an intermediate frequency light absorbing portion provided on the left side of the second feeding portion 3ld and six different path lengths on the right side. The six intermediate frequency light-emitting portions of the first-feeding portion 31c are arranged from top to bottom to form a first-middle-difference portion 341c, a second intermediate frequency light-emitting portion 342c, a second frequency-frequency firing portion 343c, and a fourth The intermediate frequency ray section tearing, the fifth intermediate frequency wheel 345c, and the sixth intermediate frequency light 134c are separately disposed on the left side of the second feeding part 3!d by six different path lengths of the intermediate frequency radiation part. And; ● sequentially touched into the strong hat radiation part, the H astigmatism part 348c, the ninth intermediate frequency radiation part 349c, the tenth intermediate frequency radiation part 35〇c, the eleventh intermediate frequency administrative department coffee, the twelfth middle The intermediate frequency gravitational section of the three different path lengths on the right side of the second feeding part is arranged in order from the top to the bottom, and the thirteenth intermediate frequency light-emitting part is taken, and the fourteenth intermediate frequency is light. The shooting department said that the fifteenth intermediate frequency of the Xingchang shot 355c; the above grounding section is said to be placed under the sixth intermediate frequency light shot 4 346c 'connected to a ground plane 5 condition. - A lightening portion 3 is extended on the left side of the first feeding portion 31c, and the lightening portion 335e can be set to other structural forms of the long thief. 9 -Γ Γ.1 24 201228110 The miniaturized multi-frequency antenna 1 〇c of the present invention utilizes an inverted F-type extended metal radiating structure to excite a multi-band resonant mode, which can reduce the antenna size to a length of 97 mm (millimeter) and width. 11 2mm (millimeter), thick 〇.5mm (mm), and produces low-frequency radiation bandwidth of 646~983MHz (megahertz), intermediate frequency radiation bandwidth of 1503~2963MHz (MHz) and high-frequency radiation bandwidth of 2396 Multi-band resonance mode between ~2646MHz (MHz), suitable for receiving Long Term Evolution (LTE700) bandwidth (697~798MHz), wireless wide area network (Wireless Wide Area • Netw〇rk, WWAN) GSM850, GSM900, DSC, PCS, UMTS bandwidth (824~894MHz, 890~960MHz, 1710~1880MHz, 1850~1990MHz, 1920~2170MHz) and Global Positioning System (GPS) frequency 1575MHz), LTE2300 bandwidth (2305~2400MHz), LTE2500 bandwidth (2500~2690MHz), 2.3GHz agreed by Worldwide Interoperability for Microwave Access (WiMax) 2.5GHz, 3.5GHz bandwidth (2300~2400MHz, 2500 鲁~2700MHz, 3400~3600MHz), Bluetooth (Bluetootii) and Wireless Local Area Network (WLAN) bandwidth (2400~2483 MHz) The multi-band operating band range is adopted. Referring to FIG. 28, the path length (Ls) of the multi-frequency antenna i〇c of the present invention in the low-frequency radiating portion 33c is changed to 5 mm (mm) in a manner of simultaneously changing the path length of each radiating portion. Reducing the loss of 5mm (mm) and maintaining the original length 'return loss' with three different resonance effects, as shown in the figure, can be optimized from the path length change 25 201228110 _Width and impedance matching. _Please refer to Fig. 29, 'the path length (Ms) of the multi-frequency antenna 10c of the present invention in the above-mentioned intermediate frequency wheel portion 3, in order to simultaneously change the path of each light-emitting portion, respectively, to increase by 6 mm ( (mm), reduced by 6mm (mm). As well as the length of the county, there are three kinds of different resonance effects of the Return Loss 纟 显示 display, which can be optimized from the path length change _ width sister anti-match. Referring to FIG. 3, the path length (Hs) of the multi-frequency antenna 1〇c of the present invention in the high-frequency light-emitting portion 36e is changed to change the path length of each light-emitting portion at the same time, and the tool δ is The increase of 8mm (mm), the reduction of 8mm (male shame) and the conversion of the original long Lin, will produce three kinds of return loss (Return Loss), which is shown by the figure, can be obtained from the way of the path length change Optimized operating bandwidth and impedance matching. Referring to Figures 31 and 32, the multi-frequency antenna 1 〇c of the present invention is measured in a low-frequency band of 800 MHz (megahertz) and a mid-band 丨900 MHz (megahertz) radiation pattern (Radiation Pattern), respectively, showing the xy plane The yz plane and the red plane have no obvious radiation dead zone and have near-omnidirectional radiation field characteristics. Referring to FIG. 33 and FIG. 34, the multi-frequency antenna l〇c of the present invention is measured in a high-frequency 2600 MHz (megahertz), 3500 MHz (megahertz) Radiation Patterns diagram, respectively, showing an xy plane, yZ, respectively. Both the plane and the xz plane have no obvious radiation dead zone, and also have near-omnidirectional radiation field characteristics. Referring to FIG. 35, the multi-frequency antenna i〇c of the present invention is measured in the peak gain (PeakGain) and Radiation Efficiency graphs of 26 201228110 LTE700, GSM850, GSM900, GPS, DSC, PCS, UMTS, and shows the low frequency. The gamma gain of the radiated frequency band (LTE700, GSM850, GSM900) is 1.3~2.5dBi, and the light emission performance is above 51%; the peak gain of the intermediate frequency light RF band (GPS 'DSC, PCS, UMTS) is 2.68~ 5.55dBi ' Light shot performance is above 54%. Referring to FIG. 36, measuring the peak gain (radius Gain) and radiation performance of the multi-band antenna 1〇c of the present invention on LTE 2300, LTE 2500, WiMax (2.3, 2.5, 3.5 GHz), Bluetooth, WLAN (Radiation)

In the Efficiency diagram, the peak gain of the high frequency radiation band is 263 to 5.11 dBi' and the radiation efficiency is 50% or more. From the above measurement results, it can be known that the multi-frequency antenna 1〇c of the present invention has a non-four stable good gain value and light-light performance, and can satisfy the Lte.

Multi-band operating band range (700, 2300, 2500), GPS, wireless wide area network (WWAN), WiMax (2.3 GHz, 2.5 GHz, 3.5 GHz), Blue_h and wlAN. According to the above-mentioned four health implementations, the multi-frequency antenna of the present invention generates a multi-band resonant mode through a plurality of horizontally-arranged inverted F-type light-emitting portions through the metal-bus layer, and according to a required operating band. The radiant portion path Μ, the width, and the gap size of each frequency band are set to form a low frequency radiating portion, a cap radiating portion, and an elevated portion having adjustments of low, medium, and high frequency operating frequency bands; and extending from the lower side of the feeding portion A grounding inductance and a parasitic structure are formed on the grounding portion and the pair of stalks on both sides to adjust the transmission resistance and match to 27

201228110, and by adjusting the frequency resonance effect of the above specific (slot) spacing to adjust the required operating frequency X impedance matching, and then step H is extended by the radiance and the special form of the radiant part Qian Weiqing, the operation of the different sections of the machine, the low miscellaneous section is set to be longer than the path length of the towel, and the low-transmission part of at least one or more different path lengths The shot portion is set to be smaller than the path length of the low-frequency radiating portion, 2 is composed of a plurality of intermediate frequency light-emitting portions of different or the same path length; and the above-mentioned frequency of the south-frequency portion is less than the road freshness of the towel frequency segment. It is composed of a plurality of high-frequency light-emitting portions of different path lengths. The multi-frequency antenna of the present invention can meet the requirements of different operating frequency bands and become (4) antenna design, with a full square (10) fine field type and a good child's special H ' π effective to reduce the light volume of the antenna The shooting structure allows the multi-frequency antenna to be more suitable for use in the Weibo or the vehicle communication system. The above-mentioned embodiments are merely used for the convenience of the description of the present invention and are not intended to be inconsistent with the spirit of the present invention (4). Those skilled in the art will be able to include various simple modifications and modifications made by the skilled person in accordance with the present invention. It is included in the scope of the following patent application. 28 201228110 [Simplified description of the drawings] FIG. 1 is a structural diagram of a first preferred embodiment of a multi-frequency antenna according to the present invention; FIG. 2 is a structural diagram of a first preferred embodiment of the multi-frequency antenna of the present invention; 3 is a preferred embodiment of the first embodiment of the multi-frequency antenna of the present invention for setting three different specific pitches; FIG. 4 is an optimized measurement of the path length of the first low-frequency light-emitting portion of the first embodiment of the multi-frequency antenna of the present invention. Figure 5: Figure 5 is a first embodiment of the multi-frequency antenna of the present invention for measuring a radiation field pattern of 900 MHz (megahertz); Figure 6 is a first preferred embodiment of the multi-frequency antenna of the present invention for measuring 1900 MHz (megahertz) Radiation pattern diagram; Figure 7 is a peak gain and radiation performance diagram of the first preferred embodiment of the multi-frequency antenna of the present invention in GSM850, GSM900 and DSC, PCS, UMTS; Figure 8 is a second comparison of the multi-band antenna of the present invention. FIG. 9 is a structural diagram of a second preferred embodiment of the multi-frequency antenna of the present invention; FIG. 10 is a second preferred embodiment of the multi-frequency antenna of the present invention, which is configured with three different slots. Optimum measurement map of hole spacing; 11 is an optimized measurement diagram of a path length of a first intermediate frequency light-emitting portion of a second preferred embodiment of the multi-frequency antenna of the present invention; and FIG. 12 is a second preferred embodiment of the multi-frequency antenna of the present invention for measuring 900 MHz (megahertz) Radiation pattern diagram; 29 FIG. 13 is a second preferred embodiment of the multi-frequency antenna of the present invention for measuring a 19 Hz C ray scene; _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Figure 15 is a diagram showing the performance of the second preferred embodiment of the multi-frequency antenna of the present invention in DSC, PCS, and UMTS; and Figure 16 is the third preferred embodiment of the multi-frequency antenna of the present invention. FIG. 17 is a structural diagram of a third preferred embodiment of a multi-frequency antenna of the present invention coupled to a ground plane; and a third preferred embodiment of the multi-frequency antenna of the present invention. The optimized measurement chart of the length; FIG. 19 is an optimized measurement diagram of the path length of the first intermediate frequency modulating portion of the third preferred embodiment of the present invention; FIG. 20 is a multi-frequency antenna of the present invention Third preferred embodiment first optimized measurement of the path length of the first high-frequency radiation portion; Figure 21 A third preferred embodiment of the multi-frequency antenna of the present invention measures a radiation field pattern of 800 MHz (megahertz); and a second embodiment of the multi-frequency antenna of the present invention measures a radiation pattern of 1900 MHz (megahertz); The third preferred embodiment of the multi-frequency antenna of the present invention measures a radiation pattern of 2600 MHz (megahertz); and the figure 24 shows a third preferred embodiment of the multi-frequency antenna of the present invention at 7£7(Κ) 'GSM850 'GSM_ t peak gain and radiation performance map; Fig. 25 is a peak gain male performance diagram of the third preferred embodiment of the multi-frequency antenna of the present invention in DSC, PCS, UMHMT_E; Figure 26 is the fourth multi-frequency antenna of the g-month antenna FIG. 27 is a structural diagram of a fourth embodiment of the multi-frequency antenna of the present invention connected to a ground plane; and FIG. 28 is a low-frequency light-emitting partial path of a fourth preferred embodiment of the multi-frequency antenna of the present invention. The optimized measurement chart of the length; FIG. 29 is an optimized measurement diagram of the path length of the intermediate frequency radiation portion of the fourth preferred embodiment of the multi-frequency antenna of the present invention; FIG. 30 is a fourth preferred embodiment of the multi-frequency antenna of the present invention. Example Optimum Measurement of Path Length of High Frequency Radiation Part Figure 31 is a fourth embodiment of the multi-frequency antenna of the present invention for measuring a radiation field pattern of 800 MHz (megahertz); and Figure 32 is a fourth preferred embodiment of the multi-frequency antenna of the present invention for measuring a radiation field of 1900 MHz (megahertz) FIG. 33 is a diagram showing a radiation pattern of 2600 MHz (megahertz) according to a fourth preferred embodiment of the multi-frequency antenna of the present invention; and FIG. 34 is a fourth preferred embodiment of the multi-frequency antenna of the present invention for measuring 3500 MHz (megahertz) Radiation pattern map; Fig. 35 is a fourth preferred embodiment of the multi-frequency antenna of the present invention

Peak gain and radiation performance maps for LTE700, GSM850, GSM900, GPS, DSC, PCS, UMTS;

Figure 36 is a fourth preferred embodiment of the multi-frequency antenna of the present invention in LTE

(2300/2500), WiMax (2.3/2.5/3.5 GHz), Bluetooth, WLAN peak gain and SAR performance. 201228110 [Description of main component symbols] 10, 10a, 10b, 10c: multi-frequency antennas 20, 20a, 20b, 20c: dielectric substrate 30, 30a, 30b: metal radiation layer 30c: first metal radiation layer 30d: second metal Radiation layer 3b 31a, 31b: feed portion 31c: first feed portion φ 31d: second feed portion 3H, 311a, 311b, 311c: feed point 32' 32a, 32b, 32c: symmetry coupling portion 33, 33a, 33b, 33c: low-frequency radiation portions 331, 331a, 331b, 331c: first low-frequency radiation portions 332b, 332c: second low-frequency radiation portions 333b, 333c: third low-frequency radiation portions 334b, 334c: fourth low-frequency radiation portion # 335, 335a, 335c: ridger 34, 34a, 34b, 34c: intermediate frequency radiating portions 341, 341a, 341b, 341c: first intermediate frequency radiating portions 342, 342a, 342b, 342c: second intermediate frequency radiating portions 343, 343a 343b, 343c: third intermediate frequency radiating sections 344, 344a, 344b, 344c: fourth intermediate frequency radiating sections 345, 345, ab, 345b, 345c: fifth intermediate frequency radiating sections 346, 346a, 346b, 346c · · sixth Intermediate frequency radiating section 32 201228110 347b, 347c: seventh intermediate frequency radiating section 348c: eighth intermediate frequency radiating section 349c: ninth Radiation section 350c: Tenth intermediate frequency radiation section 351c: Eleventh intermediate frequency radiation section 352c: Twelfth intermediate frequency radiation section 353c: Thirteenth intermediate frequency radiation section 354c: Fourteenth intermediate frequency radiation section • 355c: Fifteen intermediate frequency radiating portions 356, 356a, 356b: first fine adjustment portions 36b, 36c: high frequency radiating portions 361b, 361c: first high frequency radiating portions 362b, 362c: second high frequency radiating portion 363c: third high frequency Radiation portions 37, 37a, 37b, 37c: ground portions 371, 371a: second fine adjustment portions 38, 38a, 38b, 38c: connection portions 39a, 39c: slots 40, 40a, 40b, 40c: transmission lines 50, 50a, 50b, 50c: ground plane 51, 51a, 51b, 51c: ground point 52: via 33

Claims (1)

201228110 VII. Patent application scope: 1. A multi-frequency antenna: comprising a dielectric substrate, a metal radiation layer is disposed on the surface of the dielectric substrate, the metal radiation layer is provided with at least one feeding portion, and the right side of the feeding portion extends a grounding portion, and a symmetrical surface portion is disposed on both sides; and a plurality of horizontal branching structures are symmetrically extended from bottom to top on both sides of the feeding portion and have a radiation portion for setting a path length, a width and a gap size; A connecting portion is disposed on the left side of the feeding portion, and the two are spaced apart from each other by a specific interval. 2. The multi-frequency antenna according to claim 2, wherein the dielectric substrate is one of a ceramic substrate, a printed circuit substrate, an engineering plastic substrate or a composite substrate. 3. The multi-frequency antenna according to claim 2, wherein the metal light-emitting layer is disposed on one or both sides of the matrix plate, such that the dielectric substrate has a single-sided or double-sided metal radiation layer. A structural type. 4. The continuation antenna according to claim 4, wherein the dielectric substrate having the double-sided metal radiation layer is provided with at least a via hole, and the via hole is an electrical connection between the double-sided metal radiation layers. hole. 5. The multi-frequency antenna according to claim 1, wherein the symmetrical coupling portion and the ground portion are electrically connected to a ground plane. 6. For example, please refer to the multi-frequency antenna according to item i of the patent scope, wherein the above-mentioned jurisdiction=haves low-frequency light-lighting, intermediate-frequency te-fired part and high-frequency wheel part which control the operating frequency bands of low, medium and high frequency. The low-frequency round-shooting system is set to be larger than the riding length of the towel, and is composed of at least one low-missing portion with different path lengths; the intermediate frequency light-emitting 34 "U1228l1〇 portion is set to be smaller than The low miscellaneous portion secret recording degree is composed of a plurality of intermediate frequency radiating portions of different or the same path length; the high frequency rotating portion is set to be smaller than the miscellaneous length of the (four) points of the towel, by a plurality of different paths The length of the high-frequency radiation portion is formed. 7. The multi-frequency antenna as described in the application of the patent (4), wherein the above-mentioned light shot. The P path length, width, and gap size are set to be larger than Q lmm or more. 8. If the multi-frequency antenna described in Item 1 is applied, the above-mentioned special pitch is adjusted to adjust the desired age band width, and the above-mentioned feature spacing is set to be larger than 1 mm. 9. The multi-frequency antenna according to claim 2, wherein the specific pitch is set to a slot pitch without the radiation portion. 10. If you apply for a patent scope! The multi-frequency antenna according to the invention, wherein the radiating portion further extends the light-increasing portion of the specific structure and the fine-tuning β is used to calculate the operating bandwidth of each frequency band interval. U. The multi-frequency antenna according to claim 1, wherein the lower end of the feeding portion is provided with a feed point, the feed point and the transmission line are electrically connected, and the transmission line is further grounded. A ground point on the plane forms an electrical connection for transmitting and receiving RF signals. For example, the multi-frequency antenna described in the scope of the patent application (the multi-frequency antenna is applied to one of a notebook computer, a car communication system, or another communication product. Multi-frequency antenna, the multi-band antenna receives the long-term evolution technology (LongTermEv〇luti〇n, LTE) agreement 35 201228110 LTE700, LTE2300, LTE2500, Wireless Wide Area Network (WWAN) agreement GSM850 2.3GHz, 2.5GHz, 3.5GHz, Bluetooth, GSM900, DSC, PCS, UMTS, Global Positioning System (GPS), Worldwide Interoperability for Microwave Access (WiMax) (Bluetooth) and the multi-band operating band range used by the Wireless Local Area Network (WLAN). 14. The multi-frequency antenna according to claim 1, wherein four feeding portions extend from the left side of the feeding portion, and three radiating portions and a ground portion are symmetrically extended on the right side of the feeding portion; the feeding portion The uppermost one of the radiating portions on the left side is set as a low-frequency radiating portion to generate a resonant mode of the low-frequency operating band, and the remaining three radiating portions on the left side of the feeding portion and the three radiating portions on the right side are set as the - middle-emitting portion to generate a cap. Resonance mode of the _ band. I5. The multi-frequency antenna of claim 2, wherein the low-frequency light portion is formed by the first low-frequency light-emitting portion of the maximum path length, and the three upper portions of the upper feeding portion are connected by the length of the same path. The intermediate frequency is composed of the intermediate frequency, and is arranged from the top to the bottom according to the length of the path; the radiation portion, the second medium-spreading portion, and the third intermediate frequency light-emitting portion; and the upper third portion of the upper portion is the same path The length is arranged from top to bottom into a fourth intermediate frequency light-emitting portion, and the sixth: the sixth central coffee portion; the grounding portion is disposed under the sixth middle portion to connect the conduction of a ground plane. In the multi-frequency antenna according to the fifteenth aspect of the patent, wherein the first/the intermediate frequency of the outer portion of the emitter portion is extended to the first fine adjustment portion, and the first fine adjustment portion is provided. For - inverted T-shaped structure. The multi-frequency antenna according to claim 5, wherein the outer ground end further extends a second fine adjustment portion, and the second fine adjustment portion is configured as a long strip structure. 18 The multi-frequency antenna described in the scope of the patent scope, wherein the above The outer end of the first low frequency modulating portion extends into a lightening portion, and the lightening portion is formed in a rectangular structure. Such as the scope of the patent application! The multi-frequency antenna according to the above aspect, wherein the feeding portion has a seventh-radiation portion extending from the left side of the feeding portion and is symmetric with respect to the right side of the feeding portion = six protruding portions and a grounding portion are extended, and the uppermost side of the feeding portion is on the left side. The four radiating portions arranged in order from top to bottom are set as the resonant mode of the low frequency operating portion to generate the low frequency operating band, and the remaining feeding portions are corrected by the nine light emitting portions as an intermediate frequency Korean portion and a high frequency portion. "French bear" 'to generate the intermediate frequency operating band and the high frequency operating band of the resonant mode 20tt = Li Fan (4) 19 multi-frequency antenna, the low frequency rotation = = the diameter of the low diameter of the frame, according to the road light H r Arranged into a first-low frequency ray, a second low frequency.苐二低射射部和帛读杂=梅 consists of the lowermost two different r columns ^ the second frequency wheel on the left side of the feeding part, and the top and bottom rows of the light frequency and the second part according to the path length The high-frequency light-emitting portion; the above-mentioned central axis shot 37 2〇1228li〇=: is composed of six identical paths on the right side of the feeding portion: = is on the left side of the feeding portion and is different from other medium-sized two-fibre light-weight portions, and The first - middle shot f is between the fourth low-slot portion and the first-high-spot portion; and the above-mentioned feed-in m-fixed intermediate frequency radiating portion is arranged from the top to the bottom to form the second intermediate frequency spoke. a second intermediate frequency, a fourth intermediate frequency radiating portion, a fifth intermediate frequency radiating portion, a sixth intermediate frequency spreading portion, and a seventh intermediate reflecting portion; wherein the grounding is below the seventh intermediate frequency detailing portion The multi-frequency antenna according to claim 20, wherein the outer end of the seventh middle portion of the ray-receiving portion extends further to the first fine-tuning portion. Set to an inverted T-shaped structure. The multi-frequency antenna according to claim 1, wherein the metal light-emitting layer forms a first-feeding portion on a front surface of the dielectric substrate, and a second feeding portion on a reverse side of the dielectric substrate; a plurality of radiating portions extending from the left side of the first feeding portion and six radiating portions and a ground portion extending symmetrically on the right side of the first feeding portion; and six light-emitting portions and a right side extending to the left of the second feeding portion Symmetrically extending three illuminating portions; the four light-emitting portions arranged in the uppermost direction on the left side of the first feeding portion are a low-frequency radiating portion to generate a resonant mode of the low-frequency operating band, the first The lowermost three radiating portions on the left side of the feeding portion are set as a high-frequency laser portion to generate a resonant mode of a high-frequency (four) frequency band; six radiation portions on the right side of the first feeding portion and six radiations on the left side of the second feeding portion. The 轻 and the two light shots on the right side are set as an intermediate frequency radiating portion to generate a resonant mode of the 38-display 28110 IF operating band. 23: The multi-frequency antenna according to Item 22 of the patent application, wherein the above-mentioned Shifting Koda injection port P is arranged from top to bottom according to the length of the road by four low-frequency radiation sections of different path lengths. a first low-frequency radiation low-frequency light-emitting portion, a third low-frequency light-emitting portion, and a fourth low-frequency radiation portion, wherein the above-mentioned frequency-receiving portion is composed of a high-touch portion of the first and second different roads on the left side of the first feeding portion According to the path length, J, and = are arranged into a first-high frequency radiance portion, a second high-frequency radiation portion, and a first n-frequency radiation portion; the middle-missing portion is different from the above-mentioned <feeding The intermediate frequency (four) portion of the path length, and the first and second sides of the feed portion are composed of two different path lengths = cap radiating portions, and the six middle portions of the first feeding portion are shot up and down Arranged into the first - middle training unit, the second intermediate frequency Han 邛 first IF, although the shot, the fourth intermediate frequency light shot, the fifth intermediate frequency lucky shot. Bud "Intermediate frequency detail" is additionally disposed on the left side of the second feeding unit, and the intermediate frequency light-emitting parts of the six different paths are arranged in order from the top to the bottom: the intermediate frequency light-emitting part and the eighth intermediate frequency light The ray, the ninth medium morphing part, the a-th intermediate frequency radiation, the 第十, the tenth-middle astigmatism part, the twelfth intermediate frequency ray 乂 and the right side of the intermediate frequency light-emitting part of different lengths The top-down sequence is sequentially arranged into a thirteenth intermediate frequency ray-forming unit, a fourteenth medium-level illuminating unit, and a fifteenth intermediate-frequency light-emitting unit; the grounding portion is disposed below the sixth intermediate frequency radiating portion for connecting one The grounding plane is turned on. 24. If the multi-frequency antenna according to the 22nd item of the special fiber 11 is applied, the first feeding portion extends to the left side of the first feeding portion to increase the light portion, and the additional jurisdiction is set to a rectangular shape: 39 201228110 structure.