KR101827639B1 - A nfc antenna using a coupling antenna located in a camera module - Google Patents

A nfc antenna using a coupling antenna located in a camera module Download PDF

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Publication number
KR101827639B1
KR101827639B1 KR1020160085010A KR20160085010A KR101827639B1 KR 101827639 B1 KR101827639 B1 KR 101827639B1 KR 1020160085010 A KR1020160085010 A KR 1020160085010A KR 20160085010 A KR20160085010 A KR 20160085010A KR 101827639 B1 KR101827639 B1 KR 101827639B1
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KR
South Korea
Prior art keywords
antenna
nfc
coupling
camera module
coupling antenna
Prior art date
Application number
KR1020160085010A
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Korean (ko)
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KR20180005062A (en
Inventor
성원모
김영태
황이슬
김남일
이경호
Original Assignee
주식회사 이엠따블유
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Application filed by 주식회사 이엠따블유 filed Critical 주식회사 이엠따블유
Priority to KR1020160085010A priority Critical patent/KR101827639B1/en
Priority to PCT/KR2017/007136 priority patent/WO2018008961A1/en
Publication of KR20180005062A publication Critical patent/KR20180005062A/en
Application granted granted Critical
Publication of KR101827639B1 publication Critical patent/KR101827639B1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
    • H01Q1/2216—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in interrogator/reader equipment
    • 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
    • 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
    • H01Q1/2283—Supports; Mounting means by structural association with other equipment or articles mounted in or on the surface of a semiconductor substrate as a chip-type antenna or integrated with other components into an IC package
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H01Q7/06—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Support Of Aerials (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

An NFC antenna using a coupling antenna located in a camera module is disclosed. An NFC antenna according to an embodiment may include an NFC feed antenna connected to an NFC chip and radiating an NFC signal of the NFC chip and a coupling antenna coupled with the feed antenna to generate the NFC signal .

Description

[0001] The present invention relates to an NFC antenna using a coupling antenna disposed in a camera module,

The following embodiments relate to an NFC antenna using a coupling antenna located in a camera module.

Conventionally, an NFC (Near Field Communication) antenna is applied to a central portion of a back surface of a portable terminal, such as a battery attached to a battery at the center or lower center of a smart phone, or attached to a rear case.

In addition, since it is required to maintain a size larger than a certain size in order to satisfy the performance of the NFC authentication standard, it causes a rise in price, and due to a large antenna size, it is adjacent to another antenna and affects other antenna performance.
(Application No. 10-2015-0170872)

Embodiments can provide a technique of extending the radiation region of an NFC signal output from an NFC chip using a coupling antenna coupled with an NFC feed antenna.

Embodiments can reduce the size of an NFC feed antenna and thus provide a technique for saving an antenna manufacturing cost.

In addition, the embodiments can provide a technique of positioning the coupling antenna in the camera module so as not to affect the existing antenna due to the newly added coupling antenna.

An NFC antenna according to an embodiment may include an NFC feed antenna connected to an NFC chip and radiating an NFC signal of the NFC chip and a coupling antenna coupled with the feed antenna to generate the NFC signal .

The coupling antenna may be located in the camera module.

The coupling antenna may be positioned around the NFC feed antenna so that the coupling antenna and the NFC antenna are close to each other.

The NFC feed antenna may include an antenna pattern and a magnetic sheet.

The coupling antenna may include an antenna pattern and a lower end located at an end of the antenna pattern and including at least one passive element.

1 is a schematic block diagram of an electronic device according to one embodiment.
2 is a schematic block diagram of the NFC antenna shown in FIG.
3 is a conceptual diagram for explaining the operation of the NFC antenna.
4A is a schematic structural view of the NFC feed antenna shown in FIG. 2. FIG.
FIG. 4B is a schematic structural view of the coupling antenna shown in FIG. 2. FIG.
5A and 5B show examples of the positional relationship in which a coupling antenna and an NFC feed antenna can be implemented.

It is to be understood that the specific structural or functional descriptions of embodiments of the present invention disclosed herein are presented for the purpose of describing embodiments only in accordance with the concepts of the present invention, May be embodied in various forms and are not limited to the embodiments described herein.

Embodiments in accordance with the concepts of the present invention are capable of various modifications and may take various forms, so that the embodiments are illustrated in the drawings and described in detail herein. It should be understood, however, that it is not intended to limit the embodiments according to the concepts of the present invention to the particular forms disclosed, but includes all modifications, equivalents, or alternatives falling within the spirit and scope of the invention.

The terms first, second, or the like may be used to describe various elements, but the elements should not be limited by the terms. The terms may be named for the purpose of distinguishing one element from another, for example without departing from the scope of the right according to the concept of the present invention, the first element being referred to as the second element, Similarly, the second component may also be referred to as the first component.

It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, . On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between. Expressions that describe the relationship between components, for example, "between" and "immediately" or "directly adjacent to" should be interpreted as well.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The expression " simple " includes plural expressions unless the context clearly dictates otherwise. In this specification, it is to be understood that the terms such as " comprise " or " comprise ", and the like, , Steps, operations, components, parts, or combinations thereof, as a matter of principle.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the meaning of the context in the relevant art and, unless explicitly defined herein, are to be interpreted as ideal or overly formal Do not.

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. However, the scope of the patent application is not limited or limited by these embodiments. Like reference symbols in the drawings denote like elements.

A module in this specification may mean hardware capable of performing the functions and operations according to the respective names described in this specification and may mean computer program codes capable of performing specific functions and operations , Or an electronic recording medium, e.g., a processor and a microprocessor, having computer program code capable of performing certain functions and operations.

In other words, a module may mean a functional and / or structural combination of hardware for carrying out the technical idea of the present invention and / or software for driving the hardware.

FIG. 1 is a schematic block diagram of an electronic device according to an embodiment, FIG. 2 is a schematic block diagram of an NFC antenna shown in FIG. 1, and FIG. 3 is a conceptual diagram illustrating an operation of an NFC antenna.

1 to 3, the electronic device 10 may include an NFC chip 100, an NFC antenna 200, and a camera module 300 and a controller 400.

The electronic device 10 may be a personal computer (PC), a data server, or a portable electronic device.

The portable electronic device may be a laptop computer, a mobile phone, a smart phone, a tablet PC, a mobile internet device (MID), a personal digital assistant (PDA), an enterprise digital assistant A digital still camera, a digital video camera, a portable multimedia player (PMP), a personal navigation device or a portable navigation device (PND), a portable game console (handheld console), an e-book e-book, or a smart device. For example, a smart device can be implemented as a smart watch or a smart band.

The NFC antenna 200 may include an NFC feed antenna 210 and a coupling antenna 230. The NFC feed antenna 210 may be connected to the NFC chip 100. The NFC feed antenna 210 may emit an NFC signal of the NFC chip 100.

Coupling antenna 230 may be coupled to NFC feed antenna 210. At this time, the NFC signal radiated from the NFC feed antenna 210 may be induced to the coupling antenna 230. Thus, the coupling antenna 230 can emit an NFC signal.

That is, the NFC signal of the NFC chip 100 is radially expanded through the coupling antenna 230 coupled to the NFC feed antenna 210, so that the performance of the NFC chip 100 can be improved.

The coupling antenna 230 may be located around the NFC feed antenna 210, for example, inside. That is, the coupling antenna 230 may be positioned close to the NFC feeding antenna 210, thereby further improving the NFC performance of the NFC antenna 200. [ In addition, it is possible to reduce the size of the NFC feeding antenna 210, thereby saving the manufacturing cost of the antenna.

Coupling antenna 230 may also be located in camera module 300 for acquiring an image of the periphery of electronic device 10.

The controller 400 can control the overall operation of the electronic device 10. [ For example, controller 400 may control each configuration 100, 200, and 300.

Although the NFC chip 100 is illustrated as being implemented outside the controller 400 in FIG. 1, the present invention is not limited thereto. The NFC chip 100 may be implemented in the controller 400 have.

FIG. 4A is a schematic structural view of the NFC feed antenna shown in FIG. 2, and FIG. 4B is a schematic structural view of the coupling antenna shown in FIG. 2. FIG.

Referring to FIGS. 4A and 4B, the NFC feed antenna 210 may include an antenna pattern 210-3 and a magnetic sheet 210-5. The antenna pattern 210-3 may be made of a conductor.

The coupling antenna 230 may include an antenna pattern 230-3 and a lower end 230-5. The lower stage 230-5 may be located at the end of the antenna pattern 230-3 and may include at least one passive element to have a frequency component in the coupling antenna 230. [ The lower end 230-5 is for mounting at least one passive element. For example, the at least one passive element may include at least one of a resistor R, an inductor L, and a capacitor C and / or a combination thereof.

As shown in FIG. 4B, the coupling antenna 230 may be located in the camera module 300. For example, the coupling antenna 230 may be positioned around the camera module 200 to surround the camera module 300. The coupling antenna 230 can be mounted on another antenna included in the electronic device 10 by allowing the newly added coupling antenna 230 to be located in the camera module 300 included in the electronic device 10, It can be prevented from being affected.

The NFC feed antenna 210 may be positioned close to the coupling antenna 230 surrounding the camera module 200. For example, the NFC feed antenna 210 may be positioned around the camera module 300, for example, to the side and close to the coupling antenna 230. As another example, the NFC feed antenna 210 may be positioned so as to surround the periphery of the camera module 200 and close to the coupling antenna 230. That is, the coupling antenna 230 may be surrounded by the NFC feeding antenna 210.

5A and 5B show examples of the positional relationship in which a coupling antenna and an NFC feed antenna can be implemented.

5A and 5B, the coupling antenna 230 located in the camera module 300, for example, the coupling antenna 230 surrounding the camera module 200, is located close to the NFC feed antenna 210 Lt; / RTI >

As shown in FIG. 5A, the coupling antenna 230 may be positioned around the NFC feed antenna 210, for example, close to the outside. That is, the NFC feed antenna 210 may be positioned around the camera module 300, for example, to be adjacent to the coupling antenna 230.

As shown in FIG. 5B, the coupling antenna 230 may be positioned around the NFC feed antenna 210, for example, close to the inside. That is, the NFC feed antenna 210 may be positioned so as to surround the periphery of the camera module 200 and be positioned close to the coupling antenna 230.

5A and 5B, as the coupling antenna 230 is positioned close to the NFC feed antenna 210, the NFC signal of the NFC chip 100 is coupled to the NFC feed antenna 210, May be radially expanded through the antenna (230).

Table 1 shows the NFC characteristics at each point (A), B) and C) in the positional relationship between the coupling antenna 230 and the NFC feeding antenna 210 in Figs. 5A and 5B.

Figure 112016065140333-pat00001

As the coupling antenna 230 is positioned closer to the NFC feed antenna 210, the NFC signal of the NFC chip 100 is induced in the coupling antenna 230 coupled to the NFC feed antenna 210, It can be seen that the area is expanded.

The apparatus described above may be implemented as a hardware component, a software component, and / or a combination of hardware components and software components. For example, the apparatus and components described in the embodiments may be implemented within a computer system, such as, for example, a processor, a controller, an arithmetic logic unit (ALU), a digital signal processor, a microcomputer, a field programmable gate array (FPGA) , A programmable logic unit (PLU), a microprocessor, or any other device capable of executing and responding to instructions. The processing device may execute an operating system (OS) and one or more software applications running on the operating system. The processing device may also access, store, manipulate, process, and generate data in response to execution of the software. For ease of understanding, the processing apparatus may be described as being used singly, but those skilled in the art will recognize that the processing apparatus may have a plurality of processing elements and / As shown in FIG. For example, the processing unit may comprise a plurality of processors or one processor and one controller. Other processing configurations are also possible, such as a parallel processor.

The software may include a computer program, code, instructions, or a combination of one or more of the foregoing, and may be configured to configure the processing device to operate as desired or to process it collectively or collectively Device can be commanded. The software and / or data may be in the form of any type of machine, component, physical device, virtual equipment, computer storage media, or device , Or may be permanently or temporarily embodied in a transmitted signal wave. The software may be distributed over a networked computer system and stored or executed in a distributed manner. The software and data may be stored on one or more computer readable recording media.

The method according to an embodiment may be implemented in the form of a program command that can be executed through various computer means and recorded in a computer-readable medium. The computer-readable medium may include program instructions, data files, data structures, and the like, alone or in combination. The program instructions to be recorded on the medium may be those specially designed and configured for the embodiments or may be available to those skilled in the art of computer software. Examples of computer-readable media include magnetic media such as hard disks, floppy disks, and magnetic tape; optical media such as CD-ROMs and DVDs; magnetic media such as floppy disks; Magneto-optical media, and hardware devices specifically configured to store and execute program instructions such as ROM, RAM, flash memory, and the like. Examples of program instructions include machine language code such as those produced by a compiler, as well as high-level language code that can be executed by a computer using an interpreter or the like. The hardware devices described above may be configured to operate as one or more software modules to perform the operations of the embodiments, and vice versa.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. For example, it is to be understood that the techniques described may be performed in a different order than the described methods, and / or that components of the described systems, structures, devices, circuits, Lt; / RTI > or equivalents, even if it is replaced or replaced.

Therefore, other implementations, other embodiments, and equivalents to the claims are also within the scope of the following claims.

Claims (5)

An NFC feed antenna connected to the NFC chip and radiating an NFC signal of the NFC chip; And
A coupling antenna coupled to the NFC feed antenna,
Lt; / RTI >
The coupling antenna includes:
The coupling antenna is located close to the outside of the NFC feeding antenna or is located close to the inside of the NFC feeding antenna so that the coupling antenna and the NFC feeding antenna are close to each other, And a control unit which is located around the camera module so as to enclose the NFC signal,
The NFC-
An NFC antenna positioned next to the camera module or positioned so as to surround the attention of the camera module and located close to the coupling antenna.
The method according to claim 1,
Wherein the coupling antenna is located in the camera module.
delete The method according to claim 1,
The NFC-
Antenna pattern; And
Magnetic sheet
/ RTI >
The method according to claim 1,
The coupling antenna includes:
Antenna pattern; And
And a plurality of passive elements located at the end of the antenna pattern,
≪ / RTI >
KR1020160085010A 2016-07-05 2016-07-05 A nfc antenna using a coupling antenna located in a camera module KR101827639B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020160085010A KR101827639B1 (en) 2016-07-05 2016-07-05 A nfc antenna using a coupling antenna located in a camera module
PCT/KR2017/007136 WO2018008961A1 (en) 2016-07-05 2017-07-05 Nfc antenna using coupling antenna located on camera module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020160085010A KR101827639B1 (en) 2016-07-05 2016-07-05 A nfc antenna using a coupling antenna located in a camera module

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CN112542680B (en) * 2019-09-23 2023-07-25 Oppo广东移动通信有限公司 NFC antenna assembly and electronic equipment
CN110890615B (en) * 2019-10-28 2022-10-11 深圳市每开创新科技有限公司 Passive electronic terminal and antenna module thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007164369A (en) * 2005-12-12 2007-06-28 Sony Corp Non contact ic card, method for adjusting tuning frequency, frequency adjuster and system for adjusting tuning frequency

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KR20020022484A (en) * 2000-09-20 2002-03-27 윤종용 The inside dual band antenna apparatus of a portable communication terminal and method for operating together the whip antenna
KR20050005075A (en) * 2003-07-01 2005-01-13 주식회사 팬택 Microstrip patch antenna for folding type mobile communication terminal
KR100732666B1 (en) * 2005-12-16 2007-06-27 삼성전자주식회사 Mobile terminal be mounted piural antenna
KR101000966B1 (en) * 2006-07-24 2010-12-14 주식회사 엠씨넥스 communication device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007164369A (en) * 2005-12-12 2007-06-28 Sony Corp Non contact ic card, method for adjusting tuning frequency, frequency adjuster and system for adjusting tuning frequency

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