WO2012147355A1 - Radio portative - Google Patents
Radio portative Download PDFInfo
- Publication number
- WO2012147355A1 WO2012147355A1 PCT/JP2012/002883 JP2012002883W WO2012147355A1 WO 2012147355 A1 WO2012147355 A1 WO 2012147355A1 JP 2012002883 W JP2012002883 W JP 2012002883W WO 2012147355 A1 WO2012147355 A1 WO 2012147355A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- metal plate
- circuit board
- ground
- ground terminal
- wireless device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
- H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength
-
- 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
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
- H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/378—Combination of fed elements with parasitic elements
- H01Q5/392—Combination of fed elements with parasitic elements the parasitic elements having dual-band or multi-band characteristics
Definitions
- the present invention relates to a portable radio having broadband antenna characteristics.
- Patent Document 1 discloses a portable wireless device having a broadband antenna characteristic having an operation bandwidth of a plurality of resonance frequencies.
- the portable wireless device described in Patent Document 1 includes a planar inverted F antenna having an operation bandwidth of a plurality of resonance frequencies.
- the planar inverted F antenna has a resonance of about 1 ⁇ 4 wavelength in a low frequency band. It operates as two resonators of about 1 ⁇ 2 wavelength in the high frequency band.
- This multi-frequency band antenna has a first antenna element for a low frequency band and a second antenna element for a high frequency band, and the base end of the first antenna element and the base end of the second antenna element Are electrically connected to the same feeding point, and the first antenna element is set to an electrical length of 1 ⁇ 2 wavelength in a high frequency band, and its tip is released without being short-circuited to the ground. Is set to an electrical length of 1 ⁇ 4 wavelength in a low frequency band, and its tip is shorted to ground.
- the impedance of the second antenna element is infinite for the low frequency band
- the impedance of the first antenna element is infinite for the high frequency band.
- the first and second antenna elements do not cause mutual interference and perform antenna operations independently of each other.
- the antenna device described in Patent Document 3 adopts a configuration that combines an antenna element and a parasitic element, and suppresses the casing current by loading the parasitic element, The radiation pattern characteristics are prevented from deteriorating due to the casing current.
- the planar inverted-F antenna of the wireless terminal described in Patent Document 1 described above can obtain wideband antenna characteristics, an occupied space for arranging the antenna in the terminal is required. There is a problem of increasing the size.
- the antenna for multiple frequency bands described in Patent Document 2 described above requires a dedicated antenna element component when incorporated in a portable wireless terminal, it inhibits the miniaturization of the terminal itself and the component. There is a problem that the cost increases due to the use of. Further, the antenna device described in Patent Document 3 described above cannot obtain wideband antenna characteristics.
- the present invention has been made in view of such circumstances, and an object of the present invention is to provide a portable wireless device capable of obtaining broadband antenna characteristics without increasing the size and cost of the device itself.
- the portable wireless device of the present invention includes a housing, a circuit board provided in the housing and having a ground, a wireless circuit unit provided in the housing and configured on the circuit board, A matching circuit unit provided inside the housing and configured on the circuit board and connected to the wireless circuit unit; and provided in a length of approximately half a circumference along the housing; and a ground of the circuit board And a first metal plate disposed at a predetermined interval and a length of approximately half a circumference along the housing, and a second metal plate disposed at a predetermined interval from the ground of the circuit board. A metal plate, and one end of the first metal plate is connected to a power supply terminal connected to the matching circuit unit on the circuit board, and the other end is connected to the ground of the circuit board and the first ground terminal.
- One end of the second metal plate is connected to the second ground in the vicinity of the power supply terminal. Connected to the ground of the circuit board by a child, the other end is an open end and is disposed in the vicinity of the first ground terminal, and the electrical length of the first metal plate and the electrical length of the second metal plate Have substantially the same structure.
- the total length operates as a transmission line antenna that resonates at (n / 2) ⁇ (n is a positive integer)
- the second metal plate operates as a monopole antenna that resonates with a total length of (n / 2 ⁇ 1 / 4) ⁇ (n is a positive integer)
- the ground current is Since a balance operation is performed by flowing through one metal plate, wideband antenna characteristics can be obtained. Further, since the first metal plate and the second metal plate are provided along the housing, the device main body does not increase in size.
- the antenna for a plurality of frequency bands described in Patent Document 2 Japanese Patent Application Laid-Open No. 2007-288649. Unlike the case of providing a dedicated antenna element part as described above, the cost increase can be minimized.
- the first metal plate and the second metal plate are each provided along the outer periphery of the casing.
- the strength of the housing can be improved by providing the first metal plate and the second metal plate along the outer periphery of the housing.
- the first metal plate and the second metal plate are each provided along the inner periphery of the casing.
- first metal plate and the second metal plate are provided along the inner periphery of the housing, it is not necessary to give the first metal plate and the second metal plate strength.
- These can be formed of copper foil by plating or vapor deposition, FPC (Flexible Printed Circuits), etc., and the cost can be reduced by providing these.
- the power supply terminal and the second ground terminal are arranged close to each other at 0.1 wavelength or less of the maximum operating frequency of the wireless circuit unit.
- broadband antenna characteristics can be obtained.
- the first ground terminal and the open end are arranged close to each other at a maximum operating frequency of 0.1 wavelength or less of the wireless circuit unit.
- broadband antenna characteristics can be obtained.
- the power supply terminal and the second ground terminal are disposed on the short side of the circuit board, and the first ground terminal and the open end are opposed to the short side of the circuit board. Arranged on the short side.
- broadband antenna characteristics can be obtained.
- the power supply terminal and the second ground terminal are arranged at corners of the circuit board, and the first ground terminal and the open end are corner parts facing the corners of the circuit board. Arranged.
- broadband antenna characteristics can be obtained.
- the power supply terminal and the second ground terminal are disposed on the long side of the circuit board, and the first ground terminal and the open end are the long side with respect to the center of the circuit board. It is arranged at a position that is point-symmetric with the side position.
- broadband antenna characteristics can be obtained.
- the first metal plate and the second metal plate have a meander shape in the middle of at least one of the first metal plate and the second metal plate.
- the resonance frequency can be easily adjusted.
- the first metal plate and the second metal plate have a capacitive coupling structure in the middle of at least one of the first metal plate and the second metal plate.
- the resonance frequency can be easily adjusted.
- the resonance frequency can be easily adjusted.
- FIG. 1 is a perspective view showing an overview of a portable wireless device according to an embodiment of the present invention.
- Main part block diagram which shows the portable radio
- (b) is a figure which shows the high frequency current distribution of the various frequency bands in the 1st, 2nd metal frame of the portable radio
- FIG. 1 is a diagram showing high-frequency current distributions in various frequency bands when the portable wireless device of FIG. 1 has the dimensions shown in FIG.
- wireless machine of FIG. The principal part block diagram which shows the modification 6 of the portable radio
- FIG. 1 is a perspective view showing an overview of a portable wireless device according to an embodiment of the present invention.
- FIG. 2 is a main part configuration diagram showing the portable wireless device of FIG. In FIG. 1, the interior is exposed at two locations of the portable wireless device so that each member can be seen.
- a portable wireless device 1 is a straight-type portable wireless device called a smartphone, and is provided with a housing 2 and a circuit board provided inside the housing 2 and having a ground 3G. 3, a wireless circuit unit 4 configured on the circuit board 3, a matching circuit unit 5 configured on the circuit board 3 and connected to the wireless circuit unit 4, and an outer surface of the upper portion of the housing 2.
- a first metal frame (first metal plate) 6 provided with a substantially half circumference length and spaced from the ground 3G of the circuit board 3 by a predetermined distance, and along the outer surface of the lower portion of the housing 2
- a second metal frame (second metal plate) 7 provided with a substantially half-circular length and arranged at a predetermined interval from the ground 3G of the circuit board 3, and one surface side of the housing 2
- Various displays in the use of the wireless communication function as a mobile phone Comprises a liquid crystal display device 8 for performing various displays in the use of such schedule function and personal information management functions, the.
- the first metal frame 6 has one end 6 a connected to a power supply terminal 9 connected to the matching circuit section 5 on the circuit board 3, and the other end 6 b via the ground 3 G and the first ground terminal 10 of the circuit board 3.
- the second metal frame 7 has one end 7a connected to the ground 3G of the circuit board 3 by the second ground terminal 11 in the vicinity of the power supply terminal 9, and the other end 7b disposed near the first ground terminal 10 as an open end. Is done.
- the electrical length of the first metal frame 6 and the electrical length of the second metal frame 7 are substantially the same.
- the power feeding terminal 9 and the second ground terminal 11 are arranged close to each other at 0.1 wavelength or less of the maximum operating frequency of the radio circuit unit 4. Further, the first ground terminal 10 and the open end 7 b of the second metal frame 7 are arranged close to each other at a maximum operating frequency of 0.1 wavelength or less of the radio circuit unit 4.
- first and second metal frames 6 and 7 for example, a metal material such as aluminum, copper, stainless steel, magnesium, or an alloy thereof is used.
- a touch panel (not shown) is provided on the surface side of the liquid crystal display device 8.
- the portable wireless device 1 allows a wideband current to flow on the first and second metal frames 6 and 7 that surround the periphery of the side surface of the housing 2. Operates as an antenna. That is, by grounding the tip (the other end 6b) of the first metal frame 6, it operates as a transmission line antenna that resonates at a total length of (n / 2) ⁇ , and the tip (the open end) of the second metal frame 7 is operated. By setting 7b) as an open end, it operates as a monopole antenna that resonates at a total length of (n / 2 ⁇ 1 / 4) ⁇ , and a ground current flows through the first metal frame 6 to perform a balance operation. Thereby, a broadband antenna characteristic is obtained.
- FIGS. 3A and 3B are diagrams showing high-frequency current distributions in various frequency bands in the first and second metal frames 6 and 7. As shown in the figure, it resonates at a plurality of frequencies.
- FIG. 4 is a diagram showing a specific analysis example of the portable wireless device 1 of the present embodiment, where (a) is a dimensional diagram and (b) is a VSWR characteristic diagram.
- the ground 3G of the circuit board 3 has a rectangular shape, the length in the vertical direction is 112 mm, and the length in the horizontal direction is 52 mm.
- the total length of the first metal frame 6 is 184 (61 + 61 + 62) mm, and the total length of the second metal frame 7 is 182 (60 + 60 + 62) mm.
- the distance between the ground 3G of the circuit board 3 and each of the first metal frame 6 and the second metal frame 7 is 5 mm.
- FIG. 5 is a diagram showing high-frequency current distributions (A / m) in various frequency bands when the dimensions shown in FIG.
- the first metal frame 6 operates in the 800 MHz band
- the first and second metal frames 6 and 7 operate in the 1200 MHz band
- the first metal frame in the 1700 MHz band. 6 operates
- the first and second metal frames 6 and 7 operate in the 2020 MHz band
- the first metal frame 6 operates in the 2500 MHz band.
- Resonant mode is 1/2 wavelength transmission line (1 wavelength loop) in the 800 MHz band, 3/4 wavelength monopole (3/2 wavelength dipole) in the 1200 MHz band, and 2/2 wavelength transmission line (2 wavelength loop) in the 1700 MHz band.
- a 5/4 wavelength monopole (5/2 wavelength dipole) becomes a 3/2 wavelength transmission line (3 wavelength loop) in the 2500 MHz band.
- the first metal frame 6 is provided with a length of substantially half the circumference along the outer surface of the upper portion of the housing 2, and the outside of the lower portion of the housing 2 is provided.
- a second metal frame 7 is provided with a length of approximately half a circumference along the side surface, one end 6a of the first metal frame 6 is connected to a power supply terminal 9 connected to the matching circuit portion 5 on the circuit board 3, and the like.
- the end 6b is connected to the ground 3G of the circuit board 3 via the first ground terminal 10, and the one end 7a of the second metal frame 7 is connected to the ground 3G of the circuit board 3 by the second ground terminal 11 near the power supply terminal 9.
- the other end 7b is an open end and is disposed in the vicinity of the first ground terminal 10, and the electrical lengths of the first and second metal frames 6 and 7 are substantially the same. can get.
- the portable wireless device 1 since the first metal frame 6 and the second metal frame 7 are provided around the housing 2, the portable wireless device 1 itself does not increase in size.
- the first metal frame 6 and the second metal frame 7 can be used as parts for increasing the strength of the housing 2, a plurality of frequencies described in Patent Document 2 (Japanese Patent Laid-Open No. 2007-288649) are used. Unlike the case where a dedicated antenna element component such as a band antenna is provided, the cost increase can be minimized.
- the middle part of at least one of the first metal frame 6 and the second metal frame 7 may have a meander shape, or the part may have a capacitive coupling structure.
- FIG. 6 is a diagram showing an example of a meander shape (FIG. 6A) and an example of a capacitive coupling structure (FIG. 6B).
- FIG. 7 is a main part configuration diagram showing a portable wireless device 20 of Modification 1 of the portable wireless device 1 of FIG. 1, and the first metal frame 6 and the second metal frame 7 are arranged on the inner periphery of the housing 2. It is an example provided along. In the figure, the same reference numerals are given to the portions common to FIG. 2 described above.
- first metal frame 6 and the second metal frame 7 along the inner periphery of the housing 2, it is not necessary to give the first metal frame 6 and the second metal frame 7 strength, These can be formed by copper foil, FPC, etc. by plating or vapor deposition, and the cost can be reduced by providing these.
- the power supply terminal 9 is connected to the matching circuit unit 5 and the one end 6a of the first metal frame 6, and the first ground terminal 10 is connected to the ground 3G of the circuit board 3 and the first metal frame.
- the second grounding terminal 11 is connected to the ground 3G on the side opposite to the first grounding terminal 10 and the one end 7a of the second metal frame 7 at the connection position.
- FIG. 8 is a main part configuration diagram showing a modification 2 of the portable wireless device 1 of FIG. 1.
- the portable wireless device 30 of Modification 2 has a power supply terminal 9 and a second ground terminal 11 arranged on the short side 3 a of the circuit board 3, and the first ground terminal 10 and the second metal frame 7.
- the open end 7b is disposed on the short side 3b opposite to the short side 3a of the circuit board 3. Even with this arrangement, broadband antenna characteristics can be obtained.
- FIG. 9 is a main part configuration diagram showing a third modification of the portable wireless device 1 of FIG.
- the portable wireless device 40 of the modified example 3 has the power supply terminal 9 and the second ground terminal 11 arranged at the corner 3 c of the circuit board 3, and the first ground terminal 10 and the second metal frame 7.
- the open end 7b is arranged at a corner 3d facing the corner 3c of the circuit board 3. Even with this arrangement, broadband antenna characteristics can be obtained.
- FIG. 10 is a main part configuration diagram showing Modification 4 of the portable wireless device 1 of FIG.
- the portable wireless device 50 according to the modified example 4 has the power supply terminal 9 and the second ground terminal 11 arranged on the long side 3e of the circuit board 3, and the first ground terminal 10 and the second metal frame 7 are arranged.
- the open end 7b is arranged on the long side 3f opposite to the long side 3e of the circuit board 3 at a position that is point-symmetric with respect to the center of the circuit board 3. Even with this arrangement, broadband antenna characteristics can be obtained.
- FIG. 11 is a main part configuration diagram showing Modification 5 of the portable wireless device 1 of FIG.
- the portable wireless device 60 of Modification 5 is such that the electrical length of the second metal frame 7 is slightly longer than the electrical length of the first metal frame 6.
- the frequency can be finely adjusted.
- FIG. 12 is a main part configuration diagram showing Modification 6 of the portable wireless device 1 of FIG.
- the portable wireless device 70 of the modification 6 is such that the electrical length of the first metal frame 6 is slightly longer than the electrical length of the second metal frame 7.
- the frequency can be finely adjusted.
- the above is a modification of the arrangement of the power supply terminal 9 and the second ground terminal 11, the first ground terminal 10 and the open end 7b.
- FIG. 13 is a main part configuration diagram showing a portable wireless device loaded with the reactance element.
- the portable wireless device 80 shown in the figure includes a first ground terminal 10 and a ground 3G of the circuit board 3, a second ground terminal 11 and the ground 3G of the circuit board 3, and a first ground.
- Reactance elements 21 are loaded between the terminal 10 and the open end 7b of the second metal frame 7, respectively.
- the present invention has an effect that a broadband antenna characteristic can be obtained without increasing the size and cost of the device itself, and can be applied to a straight-type portable wireless device such as a smartphone.
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Support Of Aerials (AREA)
- Telephone Set Structure (AREA)
Abstract
Selon la présente invention, un premier cadre en métal (6) est disposé le long de la surface externe d'une partie supérieure d'un boîtier (2) et possède une longueur qui s'étend approximativement sur la moitié de la périphérie du boîtier (2). Un second cadre en métal (7) est disposé le long de la surface externe d'une partie inférieure du boîtier (2) et possède une longueur qui s'étend approximativement sur la moitié de la périphérie du boîtier (2). Une extrémité (6a) du premier cadre en métal (6) est raccordée à une borne d'alimentation en énergie (9) raccordée à une unité de circuit d'adaptation (5) sur une carte de circuits imprimés (3) pendant que l'autre extrémité (6b) est couplée à une terre (3G) de la carte de circuits imprimés (3) en passant par une première borne de mise à la terre (10). Une extrémité (7a) du second cadre en métal (7) est couplée, à proximité de la borne d'alimentation en énergie (9), à la terre (3G) de la carte de circuits imprimés (3) par une seconde borne de mise à la terre (11) pendant que l'autre extrémité (7b), formant une extrémité ouverte, est positionnée à proximité de la première borne de mise à la terre (10). Les longueurs électriques des premier et second cadres en métal (6, 7) sont conçues pour être approximativement identiques.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-101618 | 2011-04-28 | ||
| JP2011101618A JP2012235258A (ja) | 2011-04-28 | 2011-04-28 | 携帯無線機 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2012147355A1 true WO2012147355A1 (fr) | 2012-11-01 |
Family
ID=47071885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2012/002883 Ceased WO2012147355A1 (fr) | 2011-04-28 | 2012-04-26 | Radio portative |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2012235258A (fr) |
| WO (1) | WO2012147355A1 (fr) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014200088A (ja) * | 2013-03-29 | 2014-10-23 | パンテック カンパニー リミテッド | 導電性の辺縁部を用いた多帯域アンテナを含む端末 |
| CN105027351A (zh) * | 2012-12-21 | 2015-11-04 | 诺基亚公司 | 用于无线通信的装置 |
| WO2016103859A1 (fr) * | 2014-12-24 | 2016-06-30 | シャープ株式会社 | Dispositif sans fil |
| JP2017130965A (ja) * | 2017-03-22 | 2017-07-27 | ノキア テクノロジーズ オーユー | 無線通信装置 |
| CN116231315A (zh) * | 2020-06-30 | 2023-06-06 | 华为技术有限公司 | 一种天线及移动终端 |
| JP2024507251A (ja) * | 2021-02-23 | 2024-02-16 | フリードマン エレクトロニクス プロプライアタリー リミティド | ワイヤレスマイク用アンテナ |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI573317B (zh) * | 2013-04-08 | 2017-03-01 | 群邁通訊股份有限公司 | 無線通訊裝置 |
| JP6212405B2 (ja) * | 2014-02-19 | 2017-10-11 | シャープ株式会社 | 無線機 |
| JP6986939B2 (ja) * | 2017-11-22 | 2021-12-22 | シャープ株式会社 | 携帯通信端末の筐体 |
| JP2024054564A (ja) * | 2022-10-05 | 2024-04-17 | 株式会社東海理化電機製作所 | 金属板アンテナおよびアンテナ装置。 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002305408A (ja) * | 2001-04-06 | 2002-10-18 | Matsushita Electric Ind Co Ltd | アンテナ |
| JP2004128660A (ja) * | 2002-09-30 | 2004-04-22 | Matsushita Electric Ind Co Ltd | アンテナ装置 |
| JP2006197138A (ja) * | 2005-01-12 | 2006-07-27 | Ntt Docomo Inc | 多周波共用アンテナ装置およびそれで構成したダイバーシチアンテナ装置 |
| JP2007104520A (ja) * | 2005-10-07 | 2007-04-19 | Mitsubishi Electric Corp | アンテナ及び携帯通信装置 |
| JP2007288649A (ja) * | 2006-04-19 | 2007-11-01 | Yokowo Co Ltd | 複数周波数帯用アンテナ |
-
2011
- 2011-04-28 JP JP2011101618A patent/JP2012235258A/ja not_active Withdrawn
-
2012
- 2012-04-26 WO PCT/JP2012/002883 patent/WO2012147355A1/fr not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002305408A (ja) * | 2001-04-06 | 2002-10-18 | Matsushita Electric Ind Co Ltd | アンテナ |
| JP2004128660A (ja) * | 2002-09-30 | 2004-04-22 | Matsushita Electric Ind Co Ltd | アンテナ装置 |
| JP2006197138A (ja) * | 2005-01-12 | 2006-07-27 | Ntt Docomo Inc | 多周波共用アンテナ装置およびそれで構成したダイバーシチアンテナ装置 |
| JP2007104520A (ja) * | 2005-10-07 | 2007-04-19 | Mitsubishi Electric Corp | アンテナ及び携帯通信装置 |
| JP2007288649A (ja) * | 2006-04-19 | 2007-11-01 | Yokowo Co Ltd | 複数周波数帯用アンテナ |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110854509A (zh) * | 2012-12-21 | 2020-02-28 | 诺基亚技术有限公司 | 用于无线通信的装置 |
| CN105027351A (zh) * | 2012-12-21 | 2015-11-04 | 诺基亚公司 | 用于无线通信的装置 |
| JP2016504875A (ja) * | 2012-12-21 | 2016-02-12 | ノキア コーポレイション | 無線通信装置 |
| US9686385B2 (en) | 2012-12-21 | 2017-06-20 | Nokia Technologies Oy | Apparatus for wireless communication |
| JP2014200088A (ja) * | 2013-03-29 | 2014-10-23 | パンテック カンパニー リミテッド | 導電性の辺縁部を用いた多帯域アンテナを含む端末 |
| US10403964B2 (en) | 2013-03-29 | 2019-09-03 | Pantech Inc. | Terminal including multiband antenna as conductive border |
| WO2016103859A1 (fr) * | 2014-12-24 | 2016-06-30 | シャープ株式会社 | Dispositif sans fil |
| JPWO2016103859A1 (ja) * | 2014-12-24 | 2017-05-18 | シャープ株式会社 | 無線機 |
| JP2017130965A (ja) * | 2017-03-22 | 2017-07-27 | ノキア テクノロジーズ オーユー | 無線通信装置 |
| CN116231315A (zh) * | 2020-06-30 | 2023-06-06 | 华为技术有限公司 | 一种天线及移动终端 |
| EP4167377A4 (fr) * | 2020-06-30 | 2023-11-22 | Huawei Technologies Co., Ltd. | Antenne et terminal mobile |
| US12444840B2 (en) | 2020-06-30 | 2025-10-14 | Huawei Technologies Co., Ltd. | Antenna and mobile terminal |
| JP2024507251A (ja) * | 2021-02-23 | 2024-02-16 | フリードマン エレクトロニクス プロプライアタリー リミティド | ワイヤレスマイク用アンテナ |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012235258A (ja) | 2012-11-29 |
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