WO2012138050A2 - Élément rayonnant au sol utilisant un condensateur et antenne au sol - Google Patents

Élément rayonnant au sol utilisant un condensateur et antenne au sol Download PDF

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Publication number
WO2012138050A2
WO2012138050A2 PCT/KR2012/001027 KR2012001027W WO2012138050A2 WO 2012138050 A2 WO2012138050 A2 WO 2012138050A2 KR 2012001027 W KR2012001027 W KR 2012001027W WO 2012138050 A2 WO2012138050 A2 WO 2012138050A2
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WO
WIPO (PCT)
Prior art keywords
ground
antenna
radiator
circuit
substrate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2012/001027
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English (en)
Korean (ko)
Other versions
WO2012138050A3 (fr
Inventor
장현민
최형철
이동렬
류양
이형진
유재규
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Radina Co Ltd
Original Assignee
Radina Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020110031913A external-priority patent/KR101740061B1/ko
Priority claimed from KR1020110113754A external-priority patent/KR101862870B1/ko
Application filed by Radina Co Ltd filed Critical Radina Co Ltd
Priority to CN201280016814.3A priority Critical patent/CN103460505B/zh
Publication of WO2012138050A2 publication Critical patent/WO2012138050A2/fr
Publication of WO2012138050A3 publication Critical patent/WO2012138050A3/fr
Priority to US14/047,008 priority patent/US9570800B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/48—Earthing means; Earth screens; Counterpoises
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas

Definitions

  • the present invention relates to a ground radiator constituting the ground radiating antenna, and more particularly, to a ground radiator that can significantly simplify the structure of the ground radiating antenna.
  • An antenna is a device that receives an RF signal from the inside of a terminal or transmits a signal inside the terminal to an outside, and is an essential device for wireless communication.
  • the mobile communication terminal becomes smaller and lighter, it is required to further slim the antenna.
  • a better performance antenna is required.
  • Proposed by this necessity is an antenna using the ground radiation of the terminal itself. That is, when the antenna is configured using the ground of the terminal itself as part of the radiator, the size of the radiator occupying the largest space in the antenna can be reduced, which can greatly contribute to miniaturization of the antenna.
  • European Patent No. 1962372 is a prior art relating to a ground radiation antenna using the ground of the terminal itself as a radiator.
  • This patent is a technology for designing an antenna using the ground of the terminal when the body of the terminal is composed of two sub-bodies separated from each other like a folder type, and each body is connected by an electrical element such as an FPCB. Presenting.
  • a capacitor for tuning the resonance frequency is inserted between the two sub bodies on a conductor for inductive coupling.
  • such an antenna can be used only for a terminal having two sub-bodies (for example, a foldable terminal), and the structure is simple because the length of the conductor for inductive coupling is fixed. Without this, there is a problem in that the range of applicable devices is also limited.
  • the ground radiation antenna 10 according to the related art has a radiation structure 11 to assist ground radiation as shown in FIG. 1.
  • the radiating structure 11 is a complex structure consisting of a dielectric and a conductive wire, which requires a high cost and a complicated manufacturing process.
  • the ground radiation antenna is composed of an inductor and a capacitor for impedance matching and radiation performance control in addition to the radiation structure 11 (12a, 12b, 12c).
  • the ground radiation antenna according to the prior art uses the ground as a radiator, it still has to have a separate radiation structure of a complex structure, there is a problem that the cost is accompanied to implement such a radiation structure.
  • the radiator structure of the antenna becomes more complicated, there is a limit in making the terminal slimmer.
  • the ground radiation antenna according to the prior art does not understand the essential phenomena of the ground radiation, there is a problem that not only increases the cost, but also the manufacturing process is complicated by using an unnecessarily complicated structure to realize the ground radiation.
  • the present invention eliminates the radiating structure having a complicated structure and implements the ground radiator with only simpler components, thereby simplifying the manufacturing process, making the antenna slimmer, and significantly reducing the manufacturing cost of the ground radiating antenna. There is a purpose.
  • the present invention utilizes the capacitance of the capacitor and the inductance of the ground to provide a ground radiator with a significantly simplified structure.
  • the present invention provides a ground radiator, which operates using only a capacitive element, without a separate radiating structure.
  • the present invention provides a ground radiator having excellent radiation performance even when one surface of the mobile communication terminal is covered with a conductive material by separating at least a portion of the radiator component circuit from the ground substrate by a predetermined distance.
  • FIG. 1 is a block diagram showing a ground radiation antenna according to the prior art.
  • FIG. 2 shows an embodiment of a ground radiator according to the invention.
  • FIG 3 shows an embodiment of a ground radiator according to the invention.
  • FIG. 4 shows an embodiment of a ground radiator according to the invention.
  • Figure 5 shows the current distribution according to the frequency fed to the ground radiator.
  • FIG. 6 illustrates an embodiment of a ground antenna in which the ground radiator according to the present invention is integrated with a power feeding circuit.
  • FIG 7 shows an antenna using an antenna radiator according to the present invention.
  • FIG. 8 illustrates an embodiment of a ground antenna in which the ground radiator and the power supply circuit are separately configured according to the present invention.
  • FIG 9 illustrates an antenna using an antenna radiator according to the present invention, in which a dielectric is provided in a clearance region.
  • FIG. 10 illustrates an antenna using an antenna radiator according to the present invention, in which a dielectric is provided in a clearance region.
  • 11 is an embodiment using an antenna radiator according to the present invention, in which a dielectric is provided in a clearance region.
  • FIG. 12 is an embodiment using an antenna radiator according to the present invention, in which a dielectric part is provided in a part of a clearance region.
  • FIG. 13 is an embodiment of an antenna using an antenna radiator according to the present invention, in which part of the radiator configuration circuit is implemented on a plane different from ground.
  • FIG. 14 is an embodiment of the antenna using the antenna radiator according to the present invention, a part of the radiator is implemented by protruding out of the clearance region.
  • FIG. 15 is a graph comparing performance of the antenna shown in FIG. 7 and the antenna shown in FIG. 9.
  • FIG. 16 is a diagram illustrating an inside of a mobile communication terminal in which a radiator configuration circuit of a ground radiation antenna according to the present invention is installed.
  • FIG 17 shows an embodiment of a ground radiation antenna according to the present invention.
  • FIG. 18 shows an embodiment of a ground radiation antenna according to the present invention.
  • FIG 19 shows an embodiment of a ground radiation antenna according to the present invention.
  • FIG. 20 shows an embodiment of a ground radiation antenna according to the present invention.
  • FIG. 21 shows an embodiment of a ground radiation antenna according to the present invention.
  • the antenna radiator according to the present invention comprises an antenna radiator for radiating an RF signal using the ground of the device, comprising a ground formed on a substrate of the device, a capacitor and a conductive line directly connecting the ground and the capacitor, A portion of the capacitor or the conductive line is preferably spaced apart from the ground plane.
  • the ground radiation antenna according to the present invention is formed of a conductive line, at least one end of both ends of the conductive line is connected to the ground substrate, at least a portion of the conductive line protrudes from the ground substrate on a plane different from the ground substrate It is preferably formed of a radiator component circuit and a conductive line to be formed, including a feed point receiving an RF signal to be radiated, and at least a part of the feeder circuit formed on a substrate.
  • the present invention has been derived from the conventional ground radiation antenna while focusing on the essential principle of the ground radiation structure to cause the ground radiation during the study to implement a ground radiator having a simpler structure and excellent radiation performance.
  • an effort was made to improve radiation performance by separately implementing a radiation structure for ground radiation and changing the shape or structure of the radiation structure. That is, an effort has been made to implement a radiator by combining a capacitor, an inductor, a structure having an inductance component and a capacitance component.
  • the applicant has found that by using the inductance component of the ground, it is possible to make a ground radiation structure having excellent radiation performance by connecting only a capacitor to the ground, without a separate complicated structure.
  • an inductor having an inductance property In order to function as a radiating structure of an antenna, in addition to a capacitor having a capacitance property, an inductor having an inductance property must exist to generate resonance. It has been found that only the capacitor and ground can perform the function of the radiating structure.
  • the ground radiators according to the related art do not use the inductance component of the ground efficiently, and try to cause resonance by constructing complicated structures having not only the capacitance component but also the inductance component.
  • the present invention by effectively using the inductance of the ground itself, it is possible to induce resonance by only a simple structure connecting the capacitor and the ground.
  • the inductance component of the ground means an inductance including both the inductance of the ground and the conductive wire.
  • the capacitor may be a capacitor having a structure formed on the ground substrate, but it is more preferable to use a chip capacitor.
  • FIG. 2 shows an embodiment of a ground radiator according to the invention.
  • the ground radiator according to the first exemplary embodiment of the present invention includes a ground region 20, a first line 22 connecting the ground region 20 and the capacitor 23, and a capacitor ( 23 and a second line 24 connecting the ground region 20 and the capacitor 23.
  • the first line 22, the second line 24, and the capacitor 23 are formed in the clearance area 200, and the clearance refers to an area where a part of ground is removed from the terminal ground.
  • the resonant frequency can be controlled using the capacitance of the capacitor 23, it is possible to provide an antenna having easy broadband control and a wide band characteristic.
  • FIG 3 shows an embodiment of a ground radiator according to the invention.
  • the ground radiator according to the second embodiment of the present invention includes a ground region 30, a first line 32 connecting the ground region 30 and the capacitor 33, and a capacitor ( 33 and a second feed line 34 connecting the ground region 30 and the capacitor 33.
  • the present embodiment relates to a form constituting the ground radiator without forming a clearance in the ground substrate.
  • FIG. 4 shows an embodiment of a ground radiator according to the invention.
  • the ground radiator according to the third embodiment of the present invention may include a ground region 50, a first line 42 connecting the ground region 40 and the first capacitor 43; And a second line 44 connecting the first capacitor 43 and the ground region 40 and the first capacitor 43.
  • the connection of the capacitor 43 and the ground 40 includes a first current. Loop 410 may be formed.
  • the ground radiator according to the third exemplary embodiment of the present invention may include a ground region 40, a third line 46 connecting the ground region 40 and the second capacitor 47, and a second capacitor 47. And a fourth feed line 48 connecting the ground region 40 and the second capacitor 47, and such a connection between the second capacitor 47 and the ground 40 includes a second current loop 420. ) Can be formed.
  • the ground radiator according to the third embodiment of the present invention includes a third current loop 430 flowing through the first capacitor 43 and the second capacitor 47. Can be formed.
  • an antenna having multiple bands can be configured.
  • Figure 5 shows the current distribution according to the frequency fed to the ground radiator.
  • FIG. 5 (a) shows the current distribution when the lowest frequency is fed
  • FIG. 5 (b) shows the current distribution when the middle frequency is fed
  • 5C shows the current distribution when the highest frequency is fed. Referring to FIG. 5, the lower the frequency, the wider the distribution of current.
  • the branch can act as an antenna radiator.
  • the antenna includes not only an antenna radiator for radiating an RF signal but also a feeding circuit for feeding a signal to radiate.
  • a feeding circuit for feeding a signal to radiate.
  • FIG. 6 illustrates an embodiment of a ground antenna in which the ground radiator according to the present invention is integrated with a power feeding circuit.
  • the ground radiation antenna using the antenna radiator according to the present invention includes a power supply unit 620, a ground 60, a first line 61, and a first feed line 62 having a feed point 62 and a feed line 68. It comprises two lines 64a, a capacitive element 63, and a third line 64b.
  • the feeder 620, the first line 61, the capacitive element 63, and the second line 64a operate as a feed circuit that excites the antenna radiation to radiate the RF signal through the antenna radiator.
  • the first line 61, the capacitive element 63, and the second line 64a operate as a constituent circuit of the antenna radiator for actually radiating an RF signal.
  • the first line 61, the capacitive element 63, and the second line 64a are not only part of the power feeding circuit of the antenna, but also part of the radiator component circuit.
  • the third line 64b is added to facilitate impedance matching.
  • the capacitive element is preferably an integrated circuit element such as a chip capacitor, but a structurally formed capacitive element may be used in addition to the chip capacitor.
  • the capacitive element may be configured by one capacitor or may be configured by connecting two or more capacitors.
  • a matching element for impedance matching may be inserted into the power supply unit 620 of FIG. 6.
  • the antenna radiator refers to a place where the radiation of the RF signal is mainly performed
  • the power supply circuit means a circuit for applying the RF signal to drive the ground antenna as an antenna. Therefore, the power supply circuit does not mean that radiation of the RF signal does not occur at all. However, since most of the radiation is made through the ground radiator is referred to as the ground radiator. The same is true in other embodiments of the present invention.
  • the radiator according to the present invention it is possible to implement a simpler and more radiation-efficient antenna without separately configuring a radiating structure of a complex structure.
  • FIG 7 shows an antenna using an antenna radiator according to the present invention.
  • an antenna using an antenna radiator includes a feed unit 720 including a feed point 72 and a feed line 780, a feed point 72, a ground 70, and a first Line 71, first element 73, second line 72a, second element 75, third line 72b, capacitive element 77, fourth line 74a, fifth line And 74b.
  • the ground 70 provides a reference potential inside a communication device such as a mobile communication terminal.
  • the terminal ground is preferably formed on a substrate to which circuit elements necessary for operation of the terminal are coupled.
  • the ground 70 has a function as a ground radiator of the antenna, in addition to providing a reference potential, which is the same in other embodiments of the present invention below.
  • the power feeding unit 720, the first line 71, the first element 73, the second line 72a, the second element 75, the third line 72b are connected via an antenna radiator. It acts as a feeder circuit that excites the antenna radiation to produce the RF signal radiation.
  • the fourth line 74a, the capacitive element 77, and the fifth line 74b actually operate as an antenna radiator constituting circuit for causing the RF signal to be radiated.
  • the power supply unit 720, the first line 71, the first element 73, the second line 72a, the second element 75, the third line 72b is a power supply circuit
  • the fourth line 74a, the capacitive element 77, and the fifth line 74b operate as radiator components of an antenna that emits an RF signal according to the feeding of the power feeding circuit.
  • the first element 73 may be an inductive element, a capacitive element, or a simple conductor.
  • the second element 75 may be an inductive element, a capacitive element, or a simple conductor.
  • the first element 73 when the first element 73 is a capacitive element, the first line 71, the first element 73, the second line 72a, the second element 75, and the third line 72b In addition to the power supply circuit, it operates as a radiator component circuit, and the antenna according to the present embodiment may have multi-band characteristics.
  • FIG. 8 illustrates an embodiment of a ground antenna in which the ground radiator and the power supply circuit are separately configured according to the present invention.
  • the ground radiation antenna using the antenna radiator according to the present invention includes a power supply unit 820, a ground 80, a first line 81, and a first line consisting of a feed point 82 and a feed line 88. It comprises a second line 84a, a first capacitive element 83, a third line 84b, a fourth line 86a, a second capacitive element 85, and a fifth line 86b.
  • the feed section 820, the first line 81, the second line 84a, and the first capacitive element 83 excite the antenna radiation to radiate the RF signal through the antenna radiator. It operates as a feeder circuit.
  • the first line 81, the capacitive element 83, and the second line 84a actually operate as a constituent circuit of the antenna radiator for causing the RF signal to be radiated.
  • the first line 81, the capacitive element 83, and the second line 84a are not only part of the power feeding circuit of the antenna, but also part of the antenna radiator component circuit.
  • the third line 84b is added to facilitate impedance matching.
  • the fourth line 86a, the second capacitive element 85, and the fifth line 86b operate as a constituent circuit of another antenna radiator.
  • first radiator configuration circuit that operates as an antenna radiator and a power feeding circuit
  • second radiator configuration circuit that operates only as an antenna radiator
  • the antenna according to the present embodiment adds a radiator configuration circuit to the antenna according to FIG. 6. That is, as in the present embodiment, the antenna radiator configuration circuit may be implemented separately from the power supply circuit.
  • FIG 9 illustrates an antenna using an antenna radiator according to the present invention, in which a dielectric is provided in a clearance region.
  • the embodiment according to FIG. 9 basically has the same form as the antenna shown in FIG. 7. However, the dielectric having a certain height is located in the clearance region of the antenna shown in FIG. Therefore, the top view of the antenna according to FIG. 9 from the top has the same shape as that of FIG. 7.
  • the antenna radiator may have improved antenna radiation characteristics. In other words, when there is a material such as a conductor on the bottom, it is possible to reduce the radiation performance of the antenna, it is because it is possible to prevent the radiation performance is reduced by separating the interference material and the radiator component circuit by a certain distance.
  • the antenna has a constant height parallel to the ground plane, but the heights of the left and right sides of the dielectric are different (to have a slanted shape), The height of the outer surface may be different (to have a slanted shape), and the height distribution of the dielectric may be equally applied to other embodiments below.
  • the radiator component circuit and the power feeding circuit are implemented on the dielectric
  • the radiator component circuit and the power feeding circuit may be implemented without the dielectric (that is, with air as the dielectric) so that the radiator component circuit and the power feeding circuit are not in the same plane as the ground. This use of air as the dielectric may be applied in other embodiments below.
  • FIG. 10 illustrates an antenna using an antenna radiator according to the present invention, in which a dielectric is provided in a clearance region.
  • the embodiment according to FIG. 10 is basically similar in shape to the antenna shown in FIG. 7, but has a different form in that the feed circuit is connected to the inner side of the clearance instead of the left or right side of the clearance. On the other hand, it has the same characteristics as FIG. 9 in that a dielectric having a constant height is located in the clearance region.
  • 11 is an embodiment using an antenna radiator according to the present invention, in which a dielectric is provided in a clearance region.
  • the embodiment according to FIG. 11 basically has the same form as the antenna shown in FIG. 6. However, the dielectric having a constant height is positioned in the clearance region of the antenna shown in FIG. 6. Therefore, the top view of the antenna according to FIG. 11 from the top has the same shape as that of FIG. 6. As shown in FIG. 11, when the radiator component circuit and the power feeding circuit of the antenna are separated from the ground by a predetermined height, the antenna radiator may have improved antenna radiation characteristics.
  • FIG. 12 is an embodiment using an antenna radiator according to the present invention, in which a dielectric part is provided in a part of a clearance region.
  • 12 (a), 12 (b) and 12 (c) have basically the same shape as the antenna shown in FIG. However, the dielectric having a certain height is located in a part of the clearance region of the antenna shown in FIG. 9. That is, in the antenna shown in FIG. 12A, a dielectric is not located in a part of the right side of the clearance, and a dielectric is located in other areas.
  • the conductive line formed on the surface of the dielectric and the conductive line formed on the ground or the clearance may be connected to conductive pins penetrating through the dielectric, as shown in FIG. May be connected. 12 (b) and 12 (c) show other embodiments in which a dielectric is removed from a part of the clearance.
  • FIG. 13 is an embodiment of an antenna using an antenna radiator according to the present invention, in which part of the radiator configuration circuit is implemented on a plane different from ground. In other words, it is to improve antenna performance by separating a part of the radiator component circuit by a certain distance from the ground plane.
  • FIG. 13 only a part of the radiator component circuit is implemented in a plane different from the ground, but the entire radiator component may be implemented in a plane different from the ground.
  • the antenna 14 is an embodiment of the antenna using the antenna radiator according to the present invention, a part of the radiator is implemented by protruding out of the clearance region. That is, the antenna performance is improved by separating a part of the radiator component circuit by a certain distance from the ground.
  • FIG. 14 only a part of the radiator component circuit is implemented by protruding out of the clearance, but the entire radiator component may be implemented in a plane different from the ground.
  • the protruding radiator configuration circuit may be formed on the case surface of the mobile communication terminal.
  • FIG. 15 is a graph comparing performance of the antenna shown in FIG. 7 and the antenna shown in FIG. 9. As shown in FIG. 15, it can be seen that the antenna performance is improved when the radiator constituting circuit or the power feeding circuit is spaced apart without being configured on the same plane as the ground.
  • FIG. 16 is a diagram illustrating an inside of a mobile communication terminal in which a radiator configuration circuit of a ground radiation antenna according to the present invention is installed.
  • a part 161 of the radiator constituting circuit has a shape protruding from a plane of the PCB 162 forming a ground with a predetermined space therebetween. That is, the portion 161 of the radiator constituting circuit is not formed in the PCB 162 plane, but protrudes from the PCB plane in a vertical direction or a direction forming a constant angle.
  • the portion 161 of the radiator constituent circuit preferably projects in the opposite direction of the LCD panel 163 located parallel to the PCB 162.
  • FIG 17 shows an embodiment of a ground radiation antenna according to the present invention.
  • the ground radiation antenna according to the present invention includes a power supply circuit 171 and a radiator component circuit 172.
  • the LCD panel is located toward the lower surface of the PCB substrate.
  • a part of the power supply circuit 171 is formed on the PCB substrate, and the other part connects the power supply circuit 171 formed on the PCB substrate with the radiator component circuit 172.
  • the power supply circuit 171 includes a power supply point 1711 for receiving an RF signal to radiate.
  • the power supply circuit 171 may have a concentrated circuit element (inductive element or capacitive element) 1712.
  • the lumped circuit element 1712 may be formed at various positions on the power feeding circuit 171 and may be formed by a combination of a plurality of lumped circuit elements.
  • a portion 1713 of the PCB ground substrate may be removed to have a form in which the power supply circuit 171 formed on the PCB substrate and the outside are open.
  • the radiator component circuit 172 may have a lumped circuit element (inductive element or capacitive element) 1722.
  • the lumped circuit element 1722 may be formed at various positions on the radiator constituting circuit 172, or may be a combination of a plurality of lumped circuit elements.
  • the lumped circuit element 1722 may be connected to a portion of the radiator component circuit 172 formed on the PCB substrate.
  • FIG. 18 shows an embodiment of a ground radiation antenna according to the present invention.
  • the ground radiation antenna includes a power supply circuit 181 and a radiator configuration circuit 182.
  • the LCD panel is located toward the lower surface of the PCB substrate.
  • the power supply circuit 181 is formed on the PCB substrate.
  • the power supply circuit 181 includes a power supply point 1811 for receiving an RF signal to radiate.
  • the power supply circuit 181 may have an integrated circuit element (inductive element or capacitive element) 1812.
  • the lumped circuit element 1812 may be formed at various positions on the power feeding circuit 181, or may be formed by a combination of a plurality of lumped circuit elements.
  • a part of the radiator component circuit 182 is formed on the PCB substrate, and the other part has a shape protruding with a space from the PCB substrate. Both ends of the radiator component circuit 183 are connected to the PCB ground substrate.
  • the radiator component circuit 182 may have a lumped circuit element (inductive element or capacitive element) 1822.
  • the lumped circuit element 1822 may be formed at various positions on the radiator constituting circuit 182, or may be a combination of a plurality of lumped circuit elements.
  • the lumped circuit element 1822 may be connected to a portion of the radiator component circuit 182 formed on the PCB substrate.
  • the PCB ground substrate surrounds the power supply circuit 181 so that the power supply circuit 181 is not exposed to the outside unlike FIG. 18A. It may be.
  • FIG 19 shows an embodiment of a ground radiation antenna according to the present invention.
  • a radiator component circuit 192 is formed on an upper surface of a PCB substrate, and a power supply circuit 191 is formed on a lower surface of the PCB substrate.
  • the LCD panel is located toward the lower surface of the PCB substrate.
  • the power supply circuit 191 is formed on the lower surface of the PCB substrate.
  • the power supply circuit 191 includes a power supply point 1911 for receiving an RF signal to radiate.
  • the power supply circuit 191 may have a concentrated circuit element (inductive element or capacitive element) 1912.
  • the lumped circuit element 1912 may be formed at various positions on the power supply circuit 191, and may be formed of a combination of a plurality of lumped circuit elements.
  • a part of the radiator component circuit 192 is formed on the upper surface of the PCB substrate, the other part has a shape protruding with a space from the upper surface of the PCB substrate. Both ends of the radiator component circuit 192 are connected to the PCB ground substrate. In this case, both ends or one end of the radiator component circuit 192 may be provided with a connection portion 1923 for connecting to the lower surface of the PCB substrate.
  • the radiator constituent circuit 192 may have a lumped circuit element (inductive element or capacitive element) 1922.
  • the lumped circuit element 1922 may be formed at various positions on the radiator constituting circuit 192, or may be a combination of a plurality of lumped circuit elements.
  • the lumped circuit element 1922 may be connected to a portion of the radiator component circuit 192 formed on the PCB substrate.
  • FIG. 20 shows an embodiment of a ground radiation antenna according to the present invention.
  • the ground radiation antenna according to the present invention includes a power supply circuit 201 and a radiator component circuit 202.
  • the LCD panel is located toward the lower surface of the PCB substrate.
  • the power supply circuit 201 is formed on the PCB substrate.
  • the power supply circuit 201 includes a power supply point 2011 for receiving an RF signal to radiate.
  • the power supply circuit 201 may have a lumped circuit element (inductive element or capacitive element) 2012.
  • the lumped circuit element 2012 may be formed at various positions on the power supply circuit 201 and may be formed by a combination of a plurality of lumped circuit elements.
  • a part of the radiator component circuit 202 is formed on the PCB substrate, and the other part has a shape protruding with a space from the PCB substrate.
  • One end of the radiator component circuit 203 is connected to the PCB ground substrate, but the other end is not connected to the PCB ground substrate.
  • the radiator component circuit 202 may have a lumped circuit element (inductive element or capacitive element) 2022.
  • the lumped circuit element 2022 may be formed at various positions on the radiator constituent circuit 202, or may be a combination of a plurality of lumped circuit elements.
  • the lumped circuit element 2022 may be connected to a portion of the radiator component circuit 202 formed on the PCB substrate.
  • the ground radiation antenna according to the present invention includes a power supply circuit 211 and a radiator component circuit 212. At this time, the LCD panel is located toward the lower surface of the PCB substrate.
  • a part of the power supply circuit 211 is formed on the PCB substrate, and the other part connects the power supply circuit 211 formed on the PCB substrate with the radiator component circuit 212.
  • the power supply circuit 211 includes a power supply point 2111 for receiving an RF signal to radiate.
  • the power supply circuit 21 may have an integrated circuit element (inductive element or capacitive element) 2112.
  • the lumped circuit element 2112 may be formed at various positions on the power supply circuit 211, and may be formed of a combination of a plurality of lumped circuit elements.
  • a part of the radiator component circuit 212 is formed on the PCB substrate, and the other part has a shape protruding with a space from the PCB substrate.
  • One end of the radiator component circuit 213 is connected to the PCB ground substrate, and the other end is not connected to the PCB ground substrate.
  • the radiator construction circuit 212 may have a lumped circuit element (inductive element or capacitive element) 2122.
  • the lumped circuit element 2122 may be formed at various positions on the radiator constituting circuit 212, or may be a combination of a plurality of lumped circuit elements.
  • the lumped circuit element 2122 may be connected to a portion of the radiator component circuit 212 formed on the PCB substrate.
  • the ground radiation antenna according to the present embodiment may have a dual band characteristic.
  • the ground radiating antenna according to the present invention requires at least one end to be connected to a PCB ground substrate, and requires a radiator component circuit projecting upwardly (as opposed to a conductive element such as an LCD) with a space from the PCB ground substrate. Therefore, there is a need for a method of assembling such a radiator constituting circuit more easily.
  • a conductive line pattern 225 is formed on one side cover 221 of the mobile communication terminal, and a power supply circuit 223 and columnar connection lines 224a and 224b are formed on the other side 222. ), And when one cover 221 and the other surface 222 cover of the mobile communication terminal is combined, it is preferable to assemble in such a way that the radiator component circuits are connected and completed.
  • the structure is remarkably simple and has good radiation efficiency without forming a complicated radiating structure.
  • the antenna can be implemented.
  • the antenna according to the present invention can be used in a mobile communication terminal.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)
  • Waveguide Aerials (AREA)

Abstract

La présente invention porte sur une antenne à rayonnement terrestre qui présente un processus de fabrication simple qui réduit considérablement les coûts de fabrication par la fourniture d'un circuit de condensateur doté d'une structure simple et d'un circuit d'alimentation. De plus, l'antenne à rayonnement terrestre présente d'excellentes performances de rayonnement même lorsqu'un côté d'un terminal de communication mobile est recouvert de matériaux conducteurs tels qu'un panneau LED et analogue.
PCT/KR2012/001027 2010-04-09 2012-02-10 Élément rayonnant au sol utilisant un condensateur et antenne au sol Ceased WO2012138050A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201280016814.3A CN103460505B (zh) 2011-04-06 2012-02-10 使用电容器的接地辐射体以及接地天线
US14/047,008 US9570800B2 (en) 2010-04-09 2013-10-06 Ground antenna and ground radiator using capacitor

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2011-0031913 2011-04-06
KR1020110031913A KR101740061B1 (ko) 2010-04-09 2011-04-06 캐패시터를 이용한 그라운드 방사체
KR10-2011-0113754 2011-11-03
KR1020110113754A KR101862870B1 (ko) 2011-04-06 2011-11-03 그라운드 방사 안테나

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US14/047,008 Continuation US9570800B2 (en) 2010-04-09 2013-10-06 Ground antenna and ground radiator using capacitor

Publications (2)

Publication Number Publication Date
WO2012138050A2 true WO2012138050A2 (fr) 2012-10-11
WO2012138050A3 WO2012138050A3 (fr) 2012-11-29

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PCT/KR2012/001027 Ceased WO2012138050A2 (fr) 2010-04-09 2012-02-10 Élément rayonnant au sol utilisant un condensateur et antenne au sol

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Country Link
WO (1) WO2012138050A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103441329A (zh) * 2013-08-21 2013-12-11 刘扬 智能手机lcd金属板辐射天线
CN115708258A (zh) * 2021-08-20 2023-02-21 荣耀终端有限公司 一种耦合馈电的终端缝隙天线
US20240186702A1 (en) * 2022-12-05 2024-06-06 Tdk Corporation Antenna device
EP4283784A4 (fr) * 2021-10-30 2024-07-24 Honor Device Co., Ltd. Système d'antenne à borne à isolation élevée

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0317305D0 (en) * 2003-07-24 2003-08-27 Koninkl Philips Electronics Nv Improvements in or relating to planar antennas
KR20080112502A (ko) * 2007-06-21 2008-12-26 (주)케이티에프테크놀로지스 다중대역 안테나 및 이를 구비한 휴대 단말기
KR20100063414A (ko) * 2008-12-03 2010-06-11 삼성전자주식회사 다중 대역 안테나 장치
KR101063569B1 (ko) * 2009-08-20 2011-09-07 라디나 주식회사 분기 캐패시터를 이용한 역-ｆ 안테나

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103441329A (zh) * 2013-08-21 2013-12-11 刘扬 智能手机lcd金属板辐射天线
CN103441329B (zh) * 2013-08-21 2017-03-01 深圳汉阳天线设计有限公司 智能手机lcd金属板辐射天线
CN115708258A (zh) * 2021-08-20 2023-02-21 荣耀终端有限公司 一种耦合馈电的终端缝隙天线
EP4283784A4 (fr) * 2021-10-30 2024-07-24 Honor Device Co., Ltd. Système d'antenne à borne à isolation élevée
US20240186702A1 (en) * 2022-12-05 2024-06-06 Tdk Corporation Antenna device

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