KR20110115767A - Sim card antena for mobile electronic equipment - Google Patents

Sim card antena for mobile electronic equipment Download PDF

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Publication number
KR20110115767A
KR20110115767A KR1020100035275A KR20100035275A KR20110115767A KR 20110115767 A KR20110115767 A KR 20110115767A KR 1020100035275 A KR1020100035275 A KR 1020100035275A KR 20100035275 A KR20100035275 A KR 20100035275A KR 20110115767 A KR20110115767 A KR 20110115767A
Authority
KR
South Korea
Prior art keywords
sim card
antenna
mobile device
film
fpcb
Prior art date
Application number
KR1020100035275A
Other languages
Korean (ko)
Inventor
김정필
Original Assignee
주식회사 아이오씽크
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
Application filed by 주식회사 아이오씽크 filed Critical 주식회사 아이오씽크
Priority to KR1020100035275A priority Critical patent/KR20110115767A/en
Publication of KR20110115767A publication Critical patent/KR20110115767A/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G06K19/07773—Antenna details
    • G06K19/07777—Antenna details the antenna being of the inductive type
    • G06K19/07779—Antenna details the antenna being of the inductive type the inductive antenna being a coil
    • G06K19/07783—Antenna details the antenna being of the inductive type the inductive antenna being a coil the coil being planar
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • 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

Abstract

The present invention relates to an antenna for a SIM card used in a mobile device, and more particularly, to an antenna for short-range data communication, which is mounted on a mobile device together with a SIM card to enable a mobile device to be used as a contactless payment means.
Sim card antenna for mobile electronic devices of the present invention is manufactured in the form of FPCB (Flexible Printed Circuit Board, Flexible Printed Circuit Board, hereinafter referred to as "FPCB"), FPCB film (1), FPCB film (1) It comprises a antenna line (2) forming a loop with wheels, and a terminal plate (3) provided at both ends of the antenna line (2). And a matching circuit 4 provided on the antenna line 2 as required, a shielding film 5 attached to one side of the FPCB film 1 to cover one side of the loop formed by winding the antenna line 2, and A protective film 6 attached to both sides of the FPCB film 1 may be further provided.
Sim card antenna for mobile device of the present invention is equipped with a sim card in the mobile device that can be equipped with a sim card to enable the mobile device to be in close contact with the peripheral device in a non-contact manner, the mobile device as a non-contact payment means Make it available.

Description

SIM card antenna for mobile devices {SIM Card Antena for Mobile Electronic Equipment}

The present invention relates to an antenna for a SIM card used in a mobile device, and more particularly, to an antenna for short-range data communication, which is mounted on a mobile device together with a SIM card to enable a mobile device to be used as a contactless payment means.

A SIM (Subscriber Identity Module) card (hereinafter referred to as a SIM card) is an IC card that implements a subscriber identity module. It is a kind of smart card that contains user's personal information and security authentication information. . Recently, Universal Subscriber Identity Module (USIM) cards are commonly used in third generation mobile communication terminals.

Recently, instead of identifying a user who inputs user information into a mobile communication terminal, a method of identifying a user by installing a SIM card in a mobile communication terminal has emerged. In this case, when a user replaces the mobile communication terminal, By replacing only the card, you can use the new terminal. Such a method has advantages such as using a mobile phone by installing a SIM card commonly used in a corresponding country in a mobile communication terminal without a separate procedure such as roaming when traveling abroad.

Recently, SIM cards are installed in various mobile electronic devices together with antennas that enable short-range data communication.They are widely used as a means of paying various fees such as transportation charges. have.

Currently, the third generation mobile communication terminal used in Korea has a slot for mounting a SIM card, and a data communication antenna (hereinafter referred to as an "antenna") in a battery of the mobile communication terminal, thereby providing a mobile communication terminal. The one that can be used as a payment method is being released. The third generation mobile communication terminal of this type has a circuit configured to automatically connect the antenna and the SIM card when the SIM card is mounted.

However, in the case of a mobile communication terminal having an antenna in the battery as described above, an unnecessary manufacturing cost rise factor occurs, such as an antenna connection circuit must be separately provided inside the mobile communication terminal and an antenna must be provided in all spare batteries. do. In addition, the size of the antenna that determines the quality of data communication cannot be arbitrarily adjusted. Currently, the SIM card and antenna application method used in the third generation mobile communication terminal can be limitedly used only for mobile devices such as mobile communication terminals to which a national standard can be applied.

In fact, in foreign countries, only a slot for mounting a SIM card is provided in a mobile communication terminal to identify only a user of the terminal, and the mobile communication terminal is often not equipped with an antenna for enabling short-range data communication.

Recently, with the development of IT technology, various kinds of mobile electronic devices (hereinafter referred to as "mobile devices") with various functions are continuously released, and these mobile devices are equipped with slots for inserting SIM cards. There are many cases. As such, the mobile device capable of mounting the SIM card may be equipped with a SIM card containing user information and the like, and may be used for electronic commerce by connecting to the Internet or a mobile communication network.

As described above, a mobile device that can be equipped with a SIM card can be used as a non-contact payment means such as payment of a traffic fee if an additional antenna is provided to enable short-range data communication. However, the provision of antennas in all mobile devices is not only a cause of unnecessary cost increase, but also a problem in that it is not easy to maintain compatibility among various mobile devices.

As described above, if the mobile device that can only be equipped with a SIM card is further provided with an antenna that enables short-range data communication, the mobile device can be used as a non-contact payment means, the antenna that can be used with the SIM card need.

The SIM card antenna for the mobile device for the above purpose should be available for all kinds of mobile devices regardless of the type and shape of the mobile device. It should also be available wherever the SIM card slot is located in the mobile device.

Sim card antenna for mobile electronic devices of the present invention is manufactured in the form of FPCB (Flexible Printed Circuit Board, Flexible Printed Circuit Board, hereinafter referred to as "FPCB"), FPCB film (1), FPCB film (1) It comprises a antenna line (2) forming a loop with wheels, and a terminal plate (3) provided at both ends of the antenna line (2).

And a matching circuit 4 provided on the antenna line 2 as required, a shielding film 5 attached to one side of the FPCB film 1 to cover one side of the loop formed by winding the antenna line 2, and A protective film 6 attached to both sides of the FPCB film 1 may be further provided.

Sim card antenna for mobile device of the present invention is equipped with a sim card in the mobile device that can be equipped with a sim card to enable the mobile device to be in close contact with the peripheral device in a non-contact manner, the mobile device as a non-contact payment means Make it available.

The SIM card antenna for mobile devices of the present invention can be used for all types of mobile devices regardless of the type and shape of the mobile devices used, and can be easily installed together with the SIM card even if the SIM card slot is provided in the mobile device. Can be used.

1 is a plan configuration diagram of a sim card antenna of the present invention.
2 is an exploded perspective view of the sim card antenna of the present invention.
3 is a configuration diagram of an FPCB having an antenna line and a terminal plate inside the FPCB film.
Figure 4 shows the sim card antenna of the present invention mounted on a mobile device.
Figure 5 shows the SIM card antenna is attached to the outside of the mobile device.

Sim card antenna of the mobile electronic device of the present invention is manufactured in the form of a flexible printed circuit board (FPCB, FPCB), as shown in the plan view of Figure 1 and the exploded perspective view of Figure 2. , An FPCB film 1, an antenna line 2 looping a plurality of wheels inside the FPCB film 1, and a terminal plate 3 provided at both ends of the antenna line 2. And a matching circuit 4 provided on the antenna line 2 as required, a shielding film 5 attached to one side of the FPCB film 1 to cover one side of the loop formed by winding the antenna line 2, and A protective film 6 attached to both sides of the FPCB film 1 may be further provided.

 In general, FPCB is a printed circuit board that has a specific electronic circuit inside a flexible and electrically insulated film, and has electrical contact terminals exposed on the surface thereof to be electrically connected to other electronic components. Recently, it is widely used in various electronic devices. As used herein, the term "FPCB" refers to all plate-shaped components that are electronically flexible and are flexibly bent or folded, regardless of the fabrication method and material used.

In the FPCB film 1 of the present invention, as shown in FIG. It consists of The body portion 11 is sized to sufficiently cover the antenna line forming the loop. The contact portion 12 may be provided on the side surface of the body portion 11 as shown in (a) of FIG. 3, and may be provided on the upper surface of the body portion 11 as shown in (b) of FIG. 3. It may be. And the contact portion 12 is the same size as the SIM card, as shown in Figure 4, so that it can be inserted into the SIM card slot of the mobile device overlapping the SIM card.

The antenna wires 2 are connected to the terminal plates 3, both ends of which are in contact with the antenna terminals of the SIM card, and are wound with one or two or more wheels to form an antenna loop. The impedance of the antenna can be adjusted by forming a loop and having a matching circuit 4 in the antenna line connected to the terminal plate 3. The antenna wire 2 is manufactured in the form of a line or a narrow thin plate, and a metal material such as nickel, aluminum, copper, and copper alloy may be used as the material.

The terminal plate 3 is provided at the contact portion 12 of the FPCB film 1 so that both surfaces are exposed to the outside of the FPCB film so that electrical contact can be made from both sides. As shown in Fig. 3A, the terminal plate 3 has the same number of terminals as the number of terminals of the SIM card (normal SIM cards are provided with eight terminals in two rows, and their positions and sizes are standardized). Alternatively, as shown in (b) of FIG. 3, only two may be provided so as to be in contact with two antenna terminals among the terminals of the SIM card. When only two terminal plates 3 are provided, the contact portion 12 of the FPCB film 1 forms a hole in a portion where terminals other than the antenna terminal are located, so that the SIM card terminal is directly connected to the terminal pin of the SIM card slot. Make contact.

The terminal plate 3 is made of a thin metal plate, and as shown in the cross-sectional view of FIG. 3 in order to improve electrical contact with the electrical terminals in contact therewith, the uneven protrusions 31 may be formed on the surface of the terminal plate. have.

Depending on the mobile device, an antenna terminal may be separately provided at the entrance of the SIM card slot, and the SIM card may be mounted in the SIM card slot using the SIM card holder without directly attaching the SIM card to the SIM card slot of the mobile device. Can be. When using a SIM card holder, an antenna terminal may be provided separately to a SIM card holder.

As described above, when a separate antenna terminal is provided in the SIM card slot or the SIM card holder, the terminal plate 3 provided in the contact portion 12 of the FPCB film 1 is shown in FIG. As shown in the drawing, the antenna terminal may be in contact with a separately provided antenna terminal.

The shielding film 5 is a radio wave absorber used to prevent the electromagnetic wave generated in the hair work machine using the antenna of the present invention to enter the antenna to generate noise, and is usually made of a ferrite plate. The shielding film 5 is attached to one side of the loop antenna in contact with the mobile device, thereby preventing the electromagnetic waves generated from the mobile device from being introduced into the antenna, thereby preventing noise from being generated in the antenna. An antenna used in a mobile device that does not generate electromagnetic waves that cause noise to affect communication may not use the shielding film 5.

The protective film 6 is attached to both sides of the body portion 11 of the FPCB film 1 to prevent the surface of the FPCB film 1 from being damaged. If the SIM card antenna is mounted inside the mobile device so that the surface of the FPCB film 1 may not be damaged, the protective film 6 may not be used, and the SIM card antenna may be exposed to the outside of the mobile device. In this case, the protective film 6 may be printed with letters or graphics, trademarks, advertising phrases and the like to enhance the appearance.

The protective film 6 is convenient to adhere to the surface of the FPCB film 1 using a film coated with an adhesive on one side.

The SIM card antenna manufactured as described above is used by inserting the contact portion 12 of the FPCB film 1 into the SIM card slot of the mobile device and inserting the SIM card thereon. The combined SIM card antenna may be mounted inside the mobile device, and the body 11 may be attached to the outside of the case of the mobile device as shown in FIG. 5.

When the SIM card antenna and the SIM card are inserted into the SIM card slot as described above, the terminals of the SIM card and the terminals of the SIM card antenna are superimposed at the same position and come into contact with the terminal pins of the mobile device, and the mobile device recognizes the SIM card. The SIM card antenna may perform data communication with an external device and perform a function such as payment in a non-contact manner.

1: FPCB film, 2: antenna wire, 3: terminal board,
4: matching circuit, 5: shielding film, 6: protective film,
11: body part, 12: contact part, 31: uneven protrusions.

Claims (5)

Made of flexible and electrically insulated film form, the body portion 11 is a portion where the antenna line 2 is disposed therein, and a contact portion protruding to one side of the body portion and inserted into a SIM card slot of a mobile device ( An FPCB film 1 composed of 12);
An antenna line 2 looping a plurality of wheels in one or two or more wheels inside the FPCB film 1:
And a terminal plate (3) which is provided in the contact portion 12 of the FPCB film (1), connected to both ends of the antenna line (2), and in contact with the antenna terminal of the SIM card;
It is configured to include, sim card antenna for mobile devices. The method of claim 1,
The antenna line (2) further comprises a matching circuit (4) for adjusting the impedance of the antenna between the loop portion and the connection portion between the terminal plate (3), sim card antenna for mobile devices. The method according to claim 1 or 2,
A shielding film (5) made of a ferrite plate is bonded to one surface of the body portion (11) of the FPCB film (1), SIM card antenna for mobile devices. The method according to claim 1 or 2,
The protective film 6 is attached to both sides of the body portion 11 of the FPCB film 1, sim card antenna for mobile devices. The method according to claim 1 or 2,
The terminal plate (3) is provided with a concave-convex protrusion (31), it characterized in that the electrical contact with the terminal in contact with it, SIM card antenna for mobile devices.
KR1020100035275A 2010-04-16 2010-04-16 Sim card antena for mobile electronic equipment KR20110115767A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100035275A KR20110115767A (en) 2010-04-16 2010-04-16 Sim card antena for mobile electronic equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100035275A KR20110115767A (en) 2010-04-16 2010-04-16 Sim card antena for mobile electronic equipment

Publications (1)

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KR20110115767A true KR20110115767A (en) 2011-10-24

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KR1020100035275A KR20110115767A (en) 2010-04-16 2010-04-16 Sim card antena for mobile electronic equipment

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103050777A (en) * 2012-12-30 2013-04-17 惠州硕贝德无线科技股份有限公司 FPC (flexible printed circuit) antenna and assembly method for FPC antenna and mobile terminal casing
CN103840250A (en) * 2014-01-23 2014-06-04 厦门盛华电子科技有限公司 Induction and coupling antenna structure of mobile phone SIM card
KR101458176B1 (en) * 2013-06-21 2014-11-04 에스에스 주식회사 An antenna patch for mobile terminals and the antenna for mobile terminals using the same
CN104519565A (en) * 2013-10-08 2015-04-15 北京旅信顺捷软件科技有限公司 Thin-film SIM (subscriber identity module) card and SIM card switching method based on thin-film SIM card
US9438313B2 (en) 2013-12-20 2016-09-06 Samsung Electronics Co., Ltd. Smart NFC antenna matching network system having multiple antennas and user device including the same

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103050777A (en) * 2012-12-30 2013-04-17 惠州硕贝德无线科技股份有限公司 FPC (flexible printed circuit) antenna and assembly method for FPC antenna and mobile terminal casing
CN103050777B (en) * 2012-12-30 2015-04-29 惠州硕贝德无线科技股份有限公司 FPC (flexible printed circuit) antenna and assembly method for FPC antenna and mobile terminal casing
KR101458176B1 (en) * 2013-06-21 2014-11-04 에스에스 주식회사 An antenna patch for mobile terminals and the antenna for mobile terminals using the same
CN104519565A (en) * 2013-10-08 2015-04-15 北京旅信顺捷软件科技有限公司 Thin-film SIM (subscriber identity module) card and SIM card switching method based on thin-film SIM card
US9438313B2 (en) 2013-12-20 2016-09-06 Samsung Electronics Co., Ltd. Smart NFC antenna matching network system having multiple antennas and user device including the same
US9800295B2 (en) 2013-12-20 2017-10-24 Samsung Electronics Co., Ltd. Smart NFC antenna matching network system having multiple antennas and user device including the same
CN103840250A (en) * 2014-01-23 2014-06-04 厦门盛华电子科技有限公司 Induction and coupling antenna structure of mobile phone SIM card

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