WO2015108237A1 - Dispositif pour compléter des caractéristiques d'antenne de couvercle de téléphone mobile - Google Patents

Dispositif pour compléter des caractéristiques d'antenne de couvercle de téléphone mobile Download PDF

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Publication number
WO2015108237A1
WO2015108237A1 PCT/KR2014/003156 KR2014003156W WO2015108237A1 WO 2015108237 A1 WO2015108237 A1 WO 2015108237A1 KR 2014003156 W KR2014003156 W KR 2014003156W WO 2015108237 A1 WO2015108237 A1 WO 2015108237A1
Authority
WO
WIPO (PCT)
Prior art keywords
mobile phone
phone cover
antenna
antenna characteristic
aluminum
Prior art date
Application number
PCT/KR2014/003156
Other languages
English (en)
Korean (ko)
Inventor
최재혁
임성규
Original Assignee
주식회사 에스알비
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 KR1020140042583A external-priority patent/KR20150084626A/ko
Application filed by 주식회사 에스알비 filed Critical 주식회사 에스알비
Publication of WO2015108237A1 publication Critical patent/WO2015108237A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
    • H01Q1/422—Housings not intimately mechanically associated with radiating elements, e.g. radome comprising two or more layers of dielectric material
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect

Definitions

  • the present invention relates to an antenna characteristic correcting apparatus of a mobile phone cover, and more particularly, to solve the problem of deterioration of radio performance by using a conventional mobile phone cover and to significantly improve the deteriorated antenna characteristics. As a result, the quality and reliability of the product are greatly improved, so that a good image can be planted by satisfying user's desire for data service and call quality.
  • Intenna the antennas used in the early stage of the mobile phone market used antennas derived from the outside, but for the purpose of enhancing aesthetics and practicality, they have been developed into so-called Intenna. Intenna).
  • the intenna is manufactured by a method of processing a metal plate, a printing method, a plating method, or the like. Intenna manufactured in this way is mainly located in the lower part or the upper part of the main body of the mobile phone, so that it can be separated from the communication chip or the mobile processor to reduce the interference and also the effect of being separated from the human body.
  • the antenna is located in the body of the mobile phone, antenna characteristics are deteriorated.
  • the incident or radiated radio waves in the process of transmitting and receiving through the antenna must pass through the mobile phone case, which causes a problem of deterioration such as distortion of the radio waves.
  • cell phone cases are made of polymer materials such as urethane, polycarbonate, and polyester, which are known to have inherent dielectric properties and are not uniform in thickness, causing distortion of incoming and outgoing radio waves.
  • the frequency band of radio waves used in mobile phones is recently used in various ways such as DMB, WIFI, bluetooth, RFID, and communication.
  • communication bands apply global communication bands in smart phones recently, the deterioration problem is worsening due to the change in dielectric properties for each frequency.
  • the mobile phone cover is used a lot because of the problem of the liquid crystal is broken.
  • the radio wave has to pass through not only the mobile phone case but also the mobile phone cover having a dielectric constant considerably different from that of the mobile phone case.
  • TRP Total Radiated Power
  • TIS Total Isotropic Sensitivity
  • Patent Document 1 Korean Patent Registration No. 0984039 (name: a method of mounting an IMA on the inner surface of a mobile phone case to implement a plurality of antenna functions) has been registered.
  • the present invention has been proposed to solve the above problems of the prior art, it is to provide an antenna characteristic correction means to solve the problem of deterioration of radioactivity and to significantly improve the deteriorated antenna characteristics.
  • a thin metal plate such as aluminum thin plate is printed, anodized, and sputtered to make the appearance of the phone look similar to the color of the mobile phone cover.
  • TRP Total Radiated Power
  • TIS Total Isotropic Sensitivity
  • the mobile phone cover 20 is provided with an antenna characteristic correction means 30 which can improve antenna characteristics, but the antenna characteristic correction means 30 is magnetic on a metal sheet or synthetic resin.
  • an antenna characteristic correction device for a mobile phone cover characterized in that the material coating layer 32 is formed.
  • the present invention is to modify the antenna characteristic of the mobile phone and the mobile phone cover to form a magnetic material coating layer on a thin metal plate such as aluminum or synthetic resin such as PVC.
  • the present invention by the technical configuration described above is to solve the problem that the radiation performance is deteriorated by using the conventional mobile phone cover and to significantly improve the deteriorated antenna characteristics.
  • the present invention is to form a layer coated with barium ferrite powder on a metal thin plate such as aluminum inside the mobile phone cover to design a kind of auxiliary antenna that serves as a patch antenna to significantly improve the antenna characteristics deteriorated by using the mobile phone cover It is.
  • the present invention is to use a printing method, anodizing method, spattering method, such as aluminum thin plate to make the appearance of the phone beautifully similar to the color of the mobile phone cover.
  • the present invention is to facilitate the improvement of product quality and cost reduction because the metal thin plate such as aluminum and the manufacturing method is simple.
  • TRP Total Radiated Power
  • TIS Total Isotropic Sensitivity
  • the present invention greatly improves the quality and reliability of the product due to the above-described effects, which is a very useful invention that can be used to plant a good image by satisfying various needs (needs) of consumers.
  • FIG. 1 is an exploded perspective view of an antenna characteristic correction apparatus for a mobile phone cover applied to the present invention
  • Figure 2 is a cross-sectional view of the main part of the antenna characteristic correction device of the mobile phone cover applied to the present invention
  • Antenna characteristic correction device of the mobile phone cover applied to the present invention is configured as shown in Figs.
  • the present invention solves the problem that the radiation performance is reduced by using a mobile phone cover by attaching a metal thin plate to the mobile phone cover 20, the antenna characteristic guarantee means 30 to significantly improve the degraded antenna characteristics (30) It provides an antenna characteristic correction device of the mobile phone cover included.
  • the antenna characteristic correction means 30 applied to the present invention is formed of a magnetic material coating layer 32 on a thin metal sheet or synthetic resin, such as aluminum having a thickness of 0.01 mm to 1 mm, size 0.5 mm to 3 cm, the mobile phone cover 20 Attach inside.
  • the magnetic material coating layer 32 is coated with a mixture of 10 to 28% by weight of methylvinyl polysiloxane, 70 to 80% by weight of barium ferrite and 2 to 10% by weight of reinforcing silica, or gold, silver, copper, iron, It is characterized by depositing any one or more metals or alloys selected from aluminum, stainless steel, nickel, manganese and zinc.
  • the methyl vinyl polysiloxane when the methyl vinyl polysiloxane is 10% by weight or less, there is a problem that it is easily cured.
  • the methylvinyl polysiloxane is 28% by weight or more, the mixing force with other components is weakened, so that the methylvinylpolysiloxane is preferably contained 10 to 28% by weight.
  • the barium ferrite applied to the present invention is 70% by weight or less, the coercive force is weakened.
  • the barium ferrite is 70% by weight or more, it is preferable that the barium ferrite contains 70 to 80% by weight because it is difficult to sinter the powder. .
  • the reinforcing silica applied to the present invention is 2% by weight or less, the heat resistance is weakened, and when the reinforcing silica is 10% by weight or more, the thermal shock resistance is weakened, and therefore, the reinforcement silica is preferably contained in an amount of 2 to 10% by weight.
  • the metal thin plate applied to the present invention is any one selected from gold, silver, copper, iron, aluminum, stainless steel, nickel, manganese, zinc to solve the problem that the radiation performance is lowered, and to improve the antenna characteristics deteriorated Preference is given to metals or alloys consisting of one or more.
  • the transparent thin plate may be made of any one selected from a transparent electrode, a transparent conductive film, and a transparent conductor, and may be selected from indium tin oxide (ITO), graphene (Graphene), and carbon nanotube (CNT). It is preferably made of either.
  • ITO indium tin oxide
  • Graphene graphene
  • CNT carbon nanotube
  • the transparency of the transparent thin plate is preferably made of a material having a sheet resistance of 300 ⁇ / cm2 or less while more than 80%.
  • the transparency when the transparency is 80% or less, a person does not feel transparent, and when the sheet resistance is 300 ⁇ / cm2 or more, since the high resistance does not serve as a conductor, the transparency of the transparent conductor sheet is 80% or more and the sheet resistance 300 It is preferable that it is made into / cm 2 or less.
  • the present invention may be variously modified and may take various forms in applying the above configuration.
  • the present invention is to solve the problem that the radiation performance is reduced by using the conventional mobile phone cover, and to significantly improve the deteriorated antenna characteristics.
  • the present invention is formed of any one selected from a metal thin plate, such as aluminum, 0.01 mm to 1 mm, 0.5 mm to 3 cm in size, or a synthetic resin such as PVC or a transparent conductor thin plate formed in any one shape selected from circular, oval, and polygonal. It is.
  • the magnetic material coating layer 32 is a mixture of 10 to 28% by weight of methyl vinyl polysiloxane, 70 to 80% by weight of barium ferrite, 2 to 10% by weight of reinforcing silica, and then a metal thin plate or a transparent thin plate such as aluminum (31). It is characterized by hot pressing for 20 to 40 minutes at 200 to 300 ° C. and 100 to 200 kg / cm 2 after applying the coating to a thickness of 0.1 mm or less.
  • the coating temperature is preferably 200 to 300 ° C, and 20 minutes at 100 to 200 kg / cm 2.
  • the hot pressing is preferably carried out for 20 to 40 minutes.
  • the barium ferrite so as to have a magnetic property of 0.1 to 400 gauss.
  • the barium ferrite when the barium ferrite is less than 0.1 gauss, the magnetic properties are weakened.
  • the barium ferrite when the barium ferrite is less than 400 gauss, the barium ferrite has a magnetic property of 0.1 to 400 gauss because it has a magnetic effect on other mobile phones. desirable.
  • the magnetic material coating layer 32 gives a color to any one selected from a printing method, an anodizing method, and a sputtering method in a metal thin plate such as aluminum or a synthetic resin or transparent thin plate such as PVC.
  • the present invention is to give a blue color on one side of the metal thin plate or transparent conductor plate such as aluminum by anodizing method, the other side is 10 to 28% by weight of methyl vinyl polysiloxane, 70 to 80% by weight of barium ferrite, reinforced silica 2 to 10% by weight of each other was mixed and then coated on a thin metal plate such as aluminum or a transparent conductor plate, and hot pressed at 200 to 300 ° C. and 100 to 200 kg / cm 2 for 20 to 40 minutes to have a magnetic property of 400 gauss. will be.
  • the present invention makes yellow on one side of the metal thin plate or transparent conductor thin plate such as aluminum by printing method, and the other side is 10 to 28% by weight of methylvinyl polysiloxane, 70 to 80% by weight of barium ferrite, and 2 to 2 reinforcement silica. 10% by weight of each other is mixed and then coated on a thin metal plate such as aluminum or a transparent conductor plate with a thickness of 0.1 mm or less, and hot pressed at 200 to 300 ° C. and 100 to 200 kg / cm 2 for 20 to 40 minutes. It has a characteristic.
  • the present invention is to make brown on one side of the metal thin plate or transparent conductor plate such as aluminum by the spattering method, the other side of the methyl vinyl polysiloxane 10-28% by weight, barium ferrite 70-80% by weight, reinforcing silica 2 After mixing 10 wt% to each other and applying a thickness of 0.1 mm or less on a metal thin plate or a transparent conductor thin plate such as aluminum, hot pressing at 200 to 300 ° C. and 100 to 200 kg / cm 2 for 20 to 40 minutes It is to have the enemy characteristics.
  • the present invention is to apply a magnetic material, for example barium ferrite material on the inside of the mobile phone cover 20, for example, a metal thin plate such as aluminum or a transparent conductor plate (eg Ag X Al 1-X, X: 0-0.1) It was attached to the mobile phone cover and experimented to measure the antenna characteristics.
  • a metal thin plate such as aluminum or a transparent conductor plate (eg Ag X Al 1-X, X: 0-0.1)
  • Metallic thin plates such as aluminum or transparent thin plates
  • the thickness of the metal thin plate or transparent conductor thin plate such as aluminum was suitably in the range of 0.01 mm to 1 mm.
  • the reason why the thickness of the aluminum sheet is limited in this way is that when the thickness of the aluminum sheet is less than 0.01 mm, it is difficult to manufacture the sheet and it is easily damaged during the manufacturing process. There were also disadvantages to sticking out of use.
  • the magnetic material coating layer 32 of the present invention is a mixture of 10 to 28% by weight of methyl vinyl polysiloxane, 70 to 80% by weight of barium ferrite, 2 to 10% by weight of reinforcing silica and then on a metal thin plate 31 such as aluminum After coating at a thickness of 0.1 mm or less, it was prepared by hot pressing at 200 to 300 ° C. and 100 to 200 kg / cm 2 for 20 to 40 minutes, and magnetic properties of 0.1 to 400 gauss were useful. At this time, when the magnetic strength of the aluminum sheet coated with barium ferrite magnetic material was lower than 0.1 gauss, the magnetism was too low, so the effect was insignificant. If it was higher than 400 gauss, the price was high and there was a possibility of affecting other electronic components.
  • the size of the aluminum thin plate coated with barium ferrite of the present invention was useful in the shape of a square, circle or arbitrary within the range of 0.5 mm to 3 cm depending on the shape of the mobile phone antenna.
  • the reason for limiting the size of the aluminum sheet coated with the aluminum sheet or the barium ferrite was that the effect was insignificant when smaller than 0.5 mm, and when the size was larger than 3 cm, the radio wave shielding effect was increased, resulting in deterioration of antenna characteristics.
  • the above-mentioned metal plate is similar to the color of the cell phone cover to be attached to consider the appearance, as a method of coating the color, printing method, anodizing method, sputtering method was used.
  • One side of a thin metal plate such as aluminum having a thickness of 0.1 mm or a transparent conductor plate was made black by a printing method, and then manufactured to a diameter of 1 cm.
  • a smart phone on the market and a mobile phone cover for the smart phone were prepared and the aluminum foil was attached to the inside of the cover as shown in Figs. 1 and 2, and then coupled to the smart phone, and then the antenna characteristics were examined. The results are shown in Table 1 below.
  • a thin metal plate such as aluminum having a thickness of 0.5 mm or a transparent conductor plate was made red by anodizing method, and then produced in a rectangular shape having a major axis of 3 cm and a minor axis of 2 cm.
  • a commercially available smartphone and a mobile phone cover for the smartphone were prepared, the aluminum thin plate was attached to the inside of the cover, and then coupled to the smartphone, and the antenna characteristics were investigated. The results are shown in Table 1.
  • One side of the thin aluminum plate 1 mm thick was anodized, and the other side was 10 to 28% by weight methylvinylpolysiloxane, 70 to 80% by weight barium ferrite, reinforced silica Aerosil R-972 (product surface Degussa) After mixing with 2 to 10% by weight, it is applied on a metal plate and hot pressed for 20 to 40 minutes at 200 to 300 ° C. and 100 to 200 kg / cm 2 to have magnetic properties of 400 gauss, followed by 0.5 cm long axis and 1 cm short axis. It was made into the rectangle of. A commercially available smartphone and a mobile phone cover for the smartphone were prepared, the aluminum thin plate was attached to the inside of the cover, and then coupled to the smartphone, and the antenna characteristics were investigated. The results are shown in Table 1.
  • the patch antenna is a type of resonant antenna having a metal plate bonded to it.
  • the patch antenna is made by attaching a metal thin film on a low loss and low dielectric material.
  • the present invention judged that the degradation of antenna characteristics in a mobile phone is caused by a mobile phone case and a mobile phone cover which act as a dielectric.
  • the present invention has been described by attaching a thin metal plate between the mobile phone case and the mobile phone cover, that is, inside the mobile phone cover. The deterioration of antenna characteristics could be solved and the experiments were conducted and satisfactory results were obtained. Also, paying attention to the fact that the electromagnetic wave received and transmitted from the antenna has not only an electric field but also a magnetic field component.
  • the magnetic powder is applied to a thin metal plate and adhered to the cell phone cover to measure the antenna characteristics. I confirmed it.
  • the present invention can confirm that the frequency band is improved compared to the prior art.
  • the technical idea of the antenna characteristic correcting apparatus of the present invention mobile phone cover is actually capable of repeating the same result, and in particular, by implementing the present invention, it is possible to promote technology development and contribute to industrial development, so it is worth protecting.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Set Structure (AREA)
  • Support Of Aerials (AREA)

Abstract

La présente invention concerne un dispositif qui permet de compléter des caractéristiques d'antenne d'un couvercle de téléphone mobile. La présente invention porte sur un dispositif qui permet de compléter des caractéristiques d'antenne d'un couvercle de téléphone mobile et qui est caractérisé en ce que, pour un couvercle de téléphone mobile (20), des moyens pour compléter des caractéristiques d'antenne (30) pouvant améliorer les caractéristiques d'une antenne sont fournis, lesdits moyens (30) ayant une couche de dépôt de matériau magnétique (32) formée sur une plaque mince métallique ou une résine synthétique. La présente invention configurée telle que décrite ci-dessus résout complètement le problème de réduction de l'efficacité d'émission quand un couvercle de téléphone mobile de l'état de la technique est utilisé, et peut ainsi améliorer considérablement la détérioration de caractéristiques d'antenne. La qualité et la fiabilité du produit peuvent donc être sensiblement améliorées. Par conséquent, diverses exigences (divers besoins) d'utilisateurs, qui sont des consommateurs, peuvent être satisfaites, et une bonne image du produit peut être inculquée.
PCT/KR2014/003156 2014-01-14 2014-04-11 Dispositif pour compléter des caractéristiques d'antenne de couvercle de téléphone mobile WO2015108237A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR20140004747 2014-01-14
KR10-2014-0004747 2014-01-14
KR10-2014-0019278 2014-02-19
KR20140019278 2014-02-19
KR10-2014-0042583 2014-04-09
KR1020140042583A KR20150084626A (ko) 2014-01-14 2014-04-09 휴대폰 커버의 안테나 특성 보정장치

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WO2015108237A1 true WO2015108237A1 (fr) 2015-07-23

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021026390A1 (fr) * 2019-08-06 2021-02-11 Qualcomm Incorporated Mise à jour de livre de codes mmw pour changement de couvercle de téléphone intelligent
US11310747B2 (en) 2019-06-12 2022-04-19 Qualcomm Incorporated Methods and apparatus for user equipment to differentiate human grip from protective covers
US11382050B2 (en) 2020-03-06 2022-07-05 Qualcomm Incorporated Methods and apparatus for user equipment to differentiate human grip from protective covers

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200362406Y1 (ko) * 2004-07-01 2004-09-18 김대영 이동통신장치용 보호커버
KR20080063453A (ko) * 2008-06-10 2008-07-04 한선영 휴대용 단말기 커버 및 그 제조방법
KR20130030689A (ko) * 2011-09-19 2013-03-27 엘지전자 주식회사 이동 단말기
KR20130128077A (ko) * 2012-05-16 2013-11-26 엘지이노텍 주식회사 통신 단말의 안테나 및 그 제조 방법
JP2013251608A (ja) * 2012-05-30 2013-12-12 Sumitomo Electric Printed Circuit Inc アンテナ装置及び該アンテナ装置の製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200362406Y1 (ko) * 2004-07-01 2004-09-18 김대영 이동통신장치용 보호커버
KR20080063453A (ko) * 2008-06-10 2008-07-04 한선영 휴대용 단말기 커버 및 그 제조방법
KR20130030689A (ko) * 2011-09-19 2013-03-27 엘지전자 주식회사 이동 단말기
KR20130128077A (ko) * 2012-05-16 2013-11-26 엘지이노텍 주식회사 통신 단말의 안테나 및 그 제조 방법
JP2013251608A (ja) * 2012-05-30 2013-12-12 Sumitomo Electric Printed Circuit Inc アンテナ装置及び該アンテナ装置の製造方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11310747B2 (en) 2019-06-12 2022-04-19 Qualcomm Incorporated Methods and apparatus for user equipment to differentiate human grip from protective covers
WO2021026390A1 (fr) * 2019-08-06 2021-02-11 Qualcomm Incorporated Mise à jour de livre de codes mmw pour changement de couvercle de téléphone intelligent
US11489569B2 (en) 2019-08-06 2022-11-01 Qualcomm Incorporated Update MMW codebook for smart phone cover change
US11382050B2 (en) 2020-03-06 2022-07-05 Qualcomm Incorporated Methods and apparatus for user equipment to differentiate human grip from protective covers

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