WO2013135043A1 - Coupling feed-in mobile phone antenna device - Google Patents

Coupling feed-in mobile phone antenna device Download PDF

Info

Publication number
WO2013135043A1
WO2013135043A1 PCT/CN2012/082462 CN2012082462W WO2013135043A1 WO 2013135043 A1 WO2013135043 A1 WO 2013135043A1 CN 2012082462 W CN2012082462 W CN 2012082462W WO 2013135043 A1 WO2013135043 A1 WO 2013135043A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
mobile phone
metal
decorative member
antenna radiator
Prior art date
Application number
PCT/CN2012/082462
Other languages
French (fr)
Chinese (zh)
Inventor
曾元清
Original Assignee
广东欧珀移动通信有限公司
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 to CN201210063340.XA priority Critical patent/CN102593578B/en
Priority to CN201210063340.X priority
Application filed by 广东欧珀移动通信有限公司 filed Critical 广东欧珀移动通信有限公司
Publication of WO2013135043A1 publication Critical patent/WO2013135043A1/en

Links

Images

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242Supports; 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
    • H01Q1/243Supports; 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
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00Antenna arrays or systems
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04Resonant antennas

Abstract

Disclosed is a coupling feed-in mobile phone antenna device. The antenna device comprises a main board disposed in a mobile phone, a "loop" metal decorating part mounted on the front of the mobile phone, an antenna carrier mounted on a housing of the mobile phone, and a first antenna radiator and a second antenna radiator that are disposed on the antenna carrier. The second antenna radiator is provided with a gap. A radio frequency feed source is disposed on the main board, and the radio frequency feed source is connected to the second antenna radiator through an antenna connector. The main board is connected to the first antenna radiator and the metal decorating part through the antenna connector. The metal decorating part is in communication with the second antenna radiator through the antenna connector. The present invention skillfully adopts the metal decorating part on the front of the mobile phone as a part of the antenna, and greatly enhances the metal texture of the whole machine with respect to the shape, and meanwhile, the present invention adopts a coupling feed-in manner to well solve the problem that an antenna is sensitive because the performance of the antenna deteriorates severely when a gap of a metal frame is grasped by the hand.

Description

 Coupled feed type mobile phone antenna device

 Technical field

 The invention relates to a mobile phone antenna device, in particular to a coupled feed type mobile phone antenna device.

 Background technique

The rapid development of wireless communication technology has led to more and more information sub-modules on the same terminal system. For example, current mobile phones, especially smart phone systems, are generally equipped with a variety of sub-communication modules. The increase of these information sub-modules will inevitably lead to the antenna frequency band. The expansion and the complexity of the antenna structure increase. At the same time, in order to win more consumers' favor in the increasingly competitive consumer electronics market, mobile phones and other products are moving towards thinner and strong metal textures, while thin and strong metal texture handheld devices are undoubtedly designed for antennas. A huge challenge has come.

Current built-in antennas for wireless terminals generally use a planar inverted-F antenna (PIFA) and a monopole antenna (Monopole). Due to the high requirements on area and height, the planar inverted-F antenna severely limits the layout and lightness of the whole machine. At the same time, due to the limitation of multi-antenna layout, and the PIFA antenna is poorly affected by its radiation mechanism, it is not A lot of adoption. As far as the monopole antenna is concerned, the presence of large metal parts in the adjacent area is undoubtedly a fatal blow to its wireless performance. How to solve the impact of the metal parts of mobile phone equipment on the antenna performance has been a hot spot in the industry. Everyone knows that the birth of a company's products has made the world crazy. The mobile phone uses the side metal frame of the mobile phone to make part of the antenna, successfully completing the antenna design, but unfortunately it appeared later. The antenna is sensitive to the problem that when the consumer uses the product to make a call, if the hand touches one of the gaps in the metal frame, the antenna performance is seriously deteriorated and the normal call state is affected.

 Summary of the invention

In view of the deficiencies of the prior art, the present invention provides a problem that can cope with the coexistence of large metal parts and antennas, and better guarantees the metal texture of the whole mobile phone in the shape, and at the same time solves the problem of grasping the metal when the hand is gripped. The antenna sensitive problem occurs when the edge of the frame is severely deteriorated, and the wide-bandwidth and high-efficiency mobile phone antenna device ensures the excellent wireless communication performance of the mobile phone.

The technical solution of the present invention is: a coupled feed type mobile phone antenna device, comprising an antenna carrier disposed on a mobile phone case, an antenna radiator disposed on the antenna carrier, and a main board disposed in the mobile phone, the antenna The device further includes a metal decorative member and an antenna connector, the antenna radiator includes an antenna radiator 1 and an antenna radiator 2; the antenna radiator 2 is provided with a slit, and the antenna radiator 2 passes through the antenna connector and the motherboard And a metal decorative piece connection; the main board is located between the antenna carrier and the metal decorative part, and is connected to the antenna radiator and the metal decorative part through the antenna connector.

The metal decorative component is disposed on the front side of the mobile phone where the mobile phone display screen is located, and the metal decorative component comprises a left side elongated decorative part on the front side of the mobile phone, a right side elongated decorative piece and a front side wide decorative part on the front side of the mobile phone, and a lower end wide decorative part. .

The left elongated decorative member and the right elongated decorative member are connected to the ground on the circuit of the mobile phone motherboard, and are disposed between the lower wide decorative member and the left elongated decorative member or the right elongated decorative member. There are gaps.

The antenna radiator 2 is connected to a radio frequency feed on the main board through an antenna connector, and the antenna radiator 2 is also connected to the lower end wide decorative part of the metal decorative part through the antenna connector.

The antenna radiator 1 is connected to the ground on the main board through an antenna connector, and the lower end wide decorative member of the metal decorative member is connected to the ground on the main board through an antenna connector.

 Further, the slit shape of the slit provided on the antenna radiator 2 is one of a linear type, a broken line type, a diagonal line type, or an arc type.

The invention adopts the metal decorative part on the front side of the mobile phone as a part of the antenna, which better ensures the metal texture of the whole machine in the shape, and greatly enhances the expressive power of the mobile phone; at the same time, the invention adopts the method of coupling feeding, which is very good. Solved the manpower When the metal frame gap is tightly gripped, the antenna sensitivity problem is seriously deteriorated, and the antenna device has the characteristics of wide bandwidth and high efficiency, which ensures the excellent wireless communication performance of the mobile phone.

 DRAWINGS

 1 is a schematic structural view of a metal decorative member mounted on a mobile phone case of the present invention;

 Figure 2 is a schematic structural view of the back side of the present invention;

 3 is a schematic cross-sectional structural view of a rear antenna of the present invention;

 Figure 4 is a schematic view showing different slit shapes of the antenna 2 of the present invention;

 Figure 5 is a schematic view showing the structure of another embodiment of the metal decorative member of the present invention.

 detailed description

 In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with the accompanying drawings.

As shown in FIG. 1-3, a coupled feed type mobile phone antenna device includes an antenna carrier 5 disposed on a mobile phone case, an antenna radiator disposed on the antenna carrier 5, and a main board 4 disposed in the mobile phone. The antenna device further includes a metal garnish and an antenna connector 3. The antenna radiator includes an antenna radiator 201 and an antenna radiator 202. The antenna radiator 202 is provided with a slit 202-1. The antenna radiator 2 is connected to the main board 4 and the metal decorative member through the antenna connector 3; the main board 4 is located between the antenna carrier 5 and the metal decorative member, and passes through the antenna connector 3 and the antenna radiator 201 and the metal decoration. Piece connection.

The metal decorative component is disposed on the front surface of the mobile phone where the mobile phone display screen 6 is located. As shown in FIG. 1 , the metal decorative component comprises a left side elongated decorative piece 103 on the front side of the mobile phone, a right side elongated decorative piece 104 and a front side of the mobile phone. The upper end wide decorative piece 101 and the lower end wide decorative piece 102 are located in the 'back' shaped area enclosed by the metal decorative piece. Wherein, the left elongated decorative member 103 and the right elongated decorative member 104 are connected to the ground on the circuit of the mobile phone mainboard, and the position and quantity of the grounding can be adjusted according to specific needs; the right elongated decorative member 104 and the lower end wide decorative member A small gap 105 is opened between the 102, and the size of the slit can be adjusted as needed; the upper end of the wide decorative member 101 has a slit 10 as a sound hole of the mobile phone receiver. The metal decorative piece is mounted on the plastic case of the mobile phone by structural snapping, inlaying, pasting, etc., and becomes the appearance surface of the mobile phone.

Figure 5 is a schematic view showing the structure of another embodiment of the metal decorative member of the present invention. As shown in the figure, at the junction of the left elongated decorative member 103 and the lower end wide decorative member 102 of the metal decorative member, a slit 106 is opened. The rest of the structure is the same as that described in FIG. 1, and details are not described herein again.

As shown in FIG. 2, an antenna carrier 5 is disposed on the back of the mobile phone, and an antenna radiator 201 and an antenna two branch 202 are disposed on the antenna carrier 5. The antenna radiator body 202 and the antenna radiator body 201 are mounted on the antenna carrier 5 by a process such as FPC, sheet metal material or LDS. The antenna radiator 202 has a slit 202-1. A mobile phone speaker 7, a motor 8, and a battery 9 are provided in the vicinity of the antenna carrier 5, and the position and size thereof can be adjusted as needed.

As shown in FIG. 3, the main board 4 is disposed between the antenna radiator body 201, the antenna radiator body 202 and the lower end wide decorative member 102 of the metal decorative member on the front side of the mobile phone, the antenna radiator body 201, and the antenna radiator body 202. The main board 4 and the lower end wide decorative part 102 of the metal decorative part form a 'sandwich' structure; the radio frequency feed 401 on the main board 4 is connected to the antenna radiator body 202 through the antenna connector 301, and the antenna connector 302, 304 will be the main board 4 The upper ground is connected to the antenna radiator 201; the antenna connector 303 connects the antenna radiator 202 to the lower end wide decorative member 102 of the metal decorative member; the antenna connector 305 extends the ground of the main board 4 and the lower end of the metal decorative member 1 The trim pieces 102 are connected. The shape and position of the antenna connectors 301, 302, 303, 304, and 305 can be adjusted according to actual needs.

The main resonance mechanism of the mobile phone antenna device is as follows: 1) the antenna connector 301, the antenna radiator body 202, the antenna connector 303, the lower end wide decorative member 102 of the metal decorative member, and the antenna connector 305 are sequentially connected to form a circuit, and the main board The RF feed 401 on the 4 is fed through the antenna connector 301 to form a Loop antenna. The resonance principle of the Loop antenna shows that the one-half wavelength of the loop is resonant in the 850/900 MHz band of the mobile phone, and one wavelength of the loop. Resonant in the DCS band of the mobile phone, part of the PCS band; 2) The antenna connector 302, the antenna radiator 201 and the antenna connector 304 are sequentially connected to form a high frequency parasitic branch of the antenna device, mainly generating resonance of the PCS and the UMTS part of the high frequency band, wherein the antenna connectors 302 and 304 can be Remove any of them according to your debugging needs.

It is particularly noteworthy that the antenna radiator 202 has a slit 202-1. The shape of the slit is not limited and can be designed according to the debugging requirements. The shape of the slit mainly includes: a straight type (as shown in FIG. 4) 202-1), a broken line type (such as 202-2 in Fig. 4), a diagonal line type (such as 202-3 in Fig. 4), an arc type (such as 202-4 in Fig. 4), and the like. The presence of the gap causes the RF feed 401 to change from direct feeding to coupling, thereby changing the current distribution on the Loop circuit, so that the gap 105 on the metal trim no longer becomes the 'sensitive point of the antenna device. ', thus solving the antenna sensitivity problem that occurs when the human hand grips the gap of the metal frame and the antenna performance is seriously deteriorated.

The invention can be applied to various handheld mobile terminals, and has the following advantages compared with the prior art: (1) skillfully utilizing the metal decorative parts of the mobile phone as part of the mobile phone antenna, not only solves the problem of coexistence of large metal parts and antennas, but also extremely The earth enhances the appearance of the mobile phone; (2) By coupling the feed instead of the direct feed, the antenna sensitive problem that the antenna performance is seriously deteriorated when the hand grips the gap of the metal frame is well solved;

 (3) The antenna adopts the form of a loop antenna, which has the characteristics of wide frequency band and high efficiency, and ensures excellent wireless communication performance of the mobile phone.

The above mentioned embodiments are not intended to limit the invention, and any obvious alternatives are within the scope of the invention without departing from the spirit of the invention.

Claims (6)

  1. A coupled feed type mobile phone antenna device comprises an antenna carrier (5) disposed on a mobile phone case, an antenna radiator disposed on the antenna carrier (5), and a main board (4) disposed in the mobile phone, wherein The antenna device further includes a metal decorative member and an antenna connector (3), the antenna radiator includes an antenna radiator (201) and an antenna radiator (202);
    The antenna radiator body (202) is provided with a slot (202-1), and the antenna radiator body (202) is connected to the main board (4) and the metal decorative member through the antenna connector (3);
    The main board (4) is located between the antenna carrier (5) and the metal decorative member, and is connected to the antenna radiator (201) and the metal decorative member through the antenna connector (3).
  2. The coupled feed-type mobile phone antenna device according to claim 1, wherein the metal decorative member is disposed on a front surface of the mobile phone where the mobile phone display screen (6) is located, and the metal decorative member comprises a left side of the front side of the mobile phone. The decorative piece (103), the right elongated decorative piece (104) and the upper end wide decorative piece (101) of the front side of the mobile phone, and the lower end wide decorative piece (102).
  3. The coupled feed-type mobile phone antenna device according to claim 2, wherein the left elongated decorative member (103) and the right elongated decorative member (104) are connected to the ground on the mobile phone motherboard circuit. A gap is provided between the lower end wide decorative piece (102) and the left elongated decorative piece (103) or the right side elongated decorative piece (104).
  4. The coupled feed-type mobile phone antenna device according to claim 3, wherein said antenna radiator 2 (202) is connected to a radio frequency feed (401) on the main board (4) through an antenna connector (3). The antenna radiator 2 (202) is also connected to the lower end wide decorative member (102) of the metal decorative member through the antenna connector (3).
  5. The coupled feed-type mobile phone antenna device according to claim 4, wherein the antenna radiator (201) and the ground on the main board (4) are connected by an antenna connector (3), the metal The lower end wide decorative piece (102) of the decorative piece is connected to the ground on the main board (4) through the antenna connector (3).
  6. The coupled feed-type mobile phone antenna device according to any one of claims 1 to 5, characterized in that: the slit shape of the slit provided on the antenna radiator 2 (202) is a linear type, a broken line type, and an oblique shape. One of a line type or an arc type.
PCT/CN2012/082462 2012-03-12 2012-09-29 Coupling feed-in mobile phone antenna device WO2013135043A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201210063340.XA CN102593578B (en) 2012-03-12 2012-03-12 Coupling feed-in type antenna device for mobile phone
CN201210063340.X 2012-03-12

Publications (1)

Publication Number Publication Date
WO2013135043A1 true WO2013135043A1 (en) 2013-09-19

Family

ID=46481925

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/082462 WO2013135043A1 (en) 2012-03-12 2012-09-29 Coupling feed-in mobile phone antenna device

Country Status (2)

Country Link
CN (1) CN102593578B (en)
WO (1) WO2013135043A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180026346A1 (en) * 2016-07-19 2018-01-25 Chiun Mai Communication Systems, Inc. Antenna structure and wireless communication device using same
US10498013B2 (en) 2015-08-07 2019-12-03 Microsoft Technology Licensing, Llc Antenna arrangement for an electronic device

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102593578B (en) * 2012-03-12 2015-01-07 广东欧珀移动通信有限公司 Coupling feed-in type antenna device for mobile phone
JP5965550B2 (en) * 2012-08-20 2016-08-10 ノキア テクノロジーズ オーユー Antenna device and manufacturing method thereof
CN102800931A (en) * 2012-08-23 2012-11-28 广东欧珀移动通信有限公司 Mobile communication terminal antenna device
CN103840256B (en) 2012-11-27 2016-10-05 联想(北京)有限公司 Portable terminal
CN103050773B (en) * 2012-12-20 2016-03-30 华为终端有限公司 A kind of antenna and there is the electronic equipment of this antenna
CN103117452B (en) * 2013-02-07 2015-11-04 上海安费诺永亿通讯电子有限公司 A kind of novel LTE terminal antenna
CN104009294B (en) * 2013-02-22 2018-10-30 深圳富泰宏精密工业有限公司 Antenna module and portable electronic device with the antenna module
CN103151601B (en) * 2013-02-27 2016-04-13 上海安费诺永亿通讯电子有限公司 A kind of bottom edge slot coupled antenna
CN103236583B (en) * 2013-04-25 2016-06-08 上海安费诺永亿通讯电子有限公司 A kind of novel LTE metal frame antenna strengthening bandwidth
CN103247850B (en) * 2013-04-26 2015-08-19 上海安费诺永亿通讯电子有限公司 A kind of antenna being applicable to hand-held mobile communication terminal with metal edge frame
US9667296B2 (en) 2013-07-05 2017-05-30 Lg Electronics Inc. Mobile terminal having an antenna
CN104425881B (en) * 2013-08-22 2019-02-26 深圳富泰宏精密工业有限公司 Antenna structure and wireless communication device with the antenna structure
CN103633426B (en) 2013-12-06 2016-06-22 华为终端有限公司 Antenna structure and mobile terminal device
CN103887597B (en) * 2014-03-28 2017-01-11 青岛海信移动通信技术股份有限公司 Antenna of mobile terminal and mobile terminal
CN104577334B (en) 2015-02-11 2017-07-21 小米科技有限责任公司 Anneta module and mobile terminal
CN105870600A (en) * 2016-06-03 2016-08-17 昆山联滔电子有限公司 Metal mobile-phone shell
TWI632737B (en) * 2016-10-13 2018-08-11 和碩聯合科技股份有限公司 Multi-band antenna

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7551142B1 (en) * 2007-12-13 2009-06-23 Apple Inc. Hybrid antennas with directly fed antenna slots for handheld electronic devices
CN102110873A (en) * 2009-12-03 2011-06-29 苹果公司 Bezel gap antennas
CN102593578A (en) * 2012-03-12 2012-07-18 广东欧珀移动通信有限公司 Coupling feed-in type antenna device for mobile phone

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008135802A1 (en) * 2007-05-02 2008-11-13 Nokia Corporation An antenna arrangement
CN201118646Y (en) * 2007-08-30 2008-09-17 青岛海信移动通信技术股份有限公司 Miniature dual-built in antenna mobile phone
US8610629B2 (en) * 2010-05-27 2013-12-17 Apple Inc. Housing structures for optimizing location of emitted radio-frequency signals
CN102227038A (en) * 2011-04-12 2011-10-26 广东欧珀移动通信有限公司 Multiple frequency range built-in coupling antenna apparatus
CN102361155A (en) * 2011-09-08 2012-02-22 广东欧珀移动通信有限公司 Antenna device of handheld terminal
CN202444051U (en) * 2012-03-12 2012-09-19 广东欧珀移动通信有限公司 Coupling feed-in type cell phone antenna device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7551142B1 (en) * 2007-12-13 2009-06-23 Apple Inc. Hybrid antennas with directly fed antenna slots for handheld electronic devices
CN102110873A (en) * 2009-12-03 2011-06-29 苹果公司 Bezel gap antennas
CN102593578A (en) * 2012-03-12 2012-07-18 广东欧珀移动通信有限公司 Coupling feed-in type antenna device for mobile phone

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10498013B2 (en) 2015-08-07 2019-12-03 Microsoft Technology Licensing, Llc Antenna arrangement for an electronic device
US20180026346A1 (en) * 2016-07-19 2018-01-25 Chiun Mai Communication Systems, Inc. Antenna structure and wireless communication device using same
US10276924B2 (en) * 2016-07-19 2019-04-30 Chiun Mai Communication Systems, Inc. Antenna structure and wireless communication device using same

Also Published As

Publication number Publication date
CN102593578A (en) 2012-07-18
CN102593578B (en) 2015-01-07

Similar Documents

Publication Publication Date Title
US8325094B2 (en) Dielectric window antennas for electronic devices
EP2550704B1 (en) Housing structure of an electronic device provided with slots influencing the eddy currents
CN102110873B (en) Bezel gap antennas
AU2010273846B2 (en) Electronic devices with capacitive proximity sensors for proximity-based radio-frequency power control
AU2012200891B2 (en) Multi-element antenna structure with wrapped substrate
CN103811863B (en) Mobile device
CN103474748B (en) For having the antenna of the hand-held electronic equipment of conductive bezels
US20040113848A1 (en) Integrated tri-band antenna for laptop applications
KR101186077B1 (en) Cavity antennas for electronic devices
AU2010273847B2 (en) Electronic devices with parasitic antenna resonating elements that reduce near field radiation
CN201191642Y (en) Antenna for handhold electronic equipment
US8577289B2 (en) Antenna with integrated proximity sensor for proximity-based radio-frequency power control
CN104079313B (en) Using the terminal of the multiband antenna of conductive bezels
JP6396327B2 (en) Antenna device for portable terminal
EP2083472B1 (en) Antenna isolation for portable electronic devices
CN104319478B (en) Antenna equipment for portable terminal and the portable terminal with antenna equipment
CN102110887B (en) Inverted-F antenna and handset electronic device
US20110050508A1 (en) Dual-band cavity-backed antenna for integrated desktop computer
TW201351779A (en) Antenna structures having slot-based parasitic elements
EP2774215B1 (en) Antenna with folded monopole and loop modes
CN102013554A (en) Cavity-backed antenna for tablet device
KR20130106065A (en) Buint-in antenna for mobile electronic device
WO1999036988A1 (en) Antenna assembly for telecommunication devices
CN103296385A (en) Adjustable multi-band antenna system
CN102881997B (en) Mobile communication device and antenna device

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12871180

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase in:

Ref country code: DE

122 Ep: pct app. not ent. europ. phase

Ref document number: 12871180

Country of ref document: EP

Kind code of ref document: A1