EP1717899A1 - Antennenstruktur zum Betrieb als Mehrbandsystem - Google Patents

Antennenstruktur zum Betrieb als Mehrbandsystem Download PDF

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Publication number
EP1717899A1
EP1717899A1 EP05018024A EP05018024A EP1717899A1 EP 1717899 A1 EP1717899 A1 EP 1717899A1 EP 05018024 A EP05018024 A EP 05018024A EP 05018024 A EP05018024 A EP 05018024A EP 1717899 A1 EP1717899 A1 EP 1717899A1
Authority
EP
European Patent Office
Prior art keywords
radiation metal
antenna structure
metal wire
feed
wire
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
Application number
EP05018024A
Other languages
English (en)
French (fr)
Inventor
Yun-Ta Chen
Yen-Liang Kuo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HTC Corp
Original Assignee
High Tech Computer Corp
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 High Tech Computer Corp filed Critical High Tech Computer Corp
Publication of EP1717899A1 publication Critical patent/EP1717899A1/de
Ceased legal-status Critical Current

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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
    • H01Q1/12—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
    • H01Q1/36—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
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system

Definitions

  • the present invention generally relates to an antenna structure for operating multi-band system, and more particularly relates to a circuit board having a hole for fixing the antenna structure, and further comprising radiation metal wires to correspond with outer spaces for bending suitably.
  • the role of antennas in wireless communication devices is to transmit and to receive data of wireless system.
  • the antenna design in mobile phones and Personal Digital Assistances (PDA) can be a traditional planner antenna or a monopole antenna and further can be a helical antenna,
  • the planner antenna uses a base having dielectric constants for supporting that does not only increase cost but also increases complexity.
  • the radiation bandwidth of the planner antenna is not better than the monopole antenna.
  • the monopole antenna takes a characteristic with Omni-Directional Radiation Pattern. Referring to FIG. 1, a distribution diagram of an example of omni-directional radiation pattern of a prior art monopole antenna is illustrated.
  • the helical antenna is an uncovered structure that suffers damages easily.
  • the helical antenna comprises a helical antenna 21, a feed point 22, and a feed wire 23.
  • the helical antenna is used to transmit and to receive signal in a single band.
  • the feed wire 23 provides a feed point 22 for coupling the helical antenna 21. Due to the characteristics of mentioned above, there must be a case for containing the monopole antenna.
  • wireless communication devices start to do receiving integration in different frequency sections.
  • the integration development of the antenna is used to receive wireless signal of different frequency sections and is an application of the wideband antenna. Therefore, the monopole antennas of two different frequency sections are integrated into a wideband antenna that appears in the wireless communication field. Furthermore, there is also a module design for antenna carrier support.
  • FIG. 3 a schematic diagram of an example of an antenna carrier support of a prior art wideband antenna is illustrated.
  • the wideband of the antenna carrier support comprises an antenna base 31, a feed point 32 a low frequency radiation metal wire 33, and a high frequency radiation metal wire 34.
  • the antenna base 31 is used to support the wideband antenna that comprises the low frequency radiation metal wire 33 and the high frequency radiation metal wire 34.
  • the antenna base 31 also provides a feed point 32 to couple to the wideband antenna and still has capacity to accept other components.
  • the characteristics of mentioned above increase complexity of wireless communication devices and raises costs. There must be some ways to resolve the problem.
  • an object of the present invention is to provide an antenna structure for operating multi-band system.
  • the antenna structure is applied on a base having at least one hole.
  • the antenna structure comprises at least one feed wire that is set on the base to form a feed point and at least one radiation metal wire that is embedded the hole.
  • the radiation metal wire has a feed terminal for coupling the feed point.
  • the radiation metal wire further has a ground surface that is set on the base and couples to an outer ground conductor of the feed wire.
  • the feed wire covered by the outer ground conductor is a feed coaxial transport wire.
  • the base can be a circuit board that is composed by any form.
  • the hole can be set on the border of the base or into the inside of the base.
  • the radiation metal wire has a first radiation metal wire and a second radiation metal wire.
  • the feed terminal of the first radiation metal wire couples to the feed point.
  • the second radiation metal wire has a start terminal for coupling the first radiation metal wire near the feed terminal.
  • the radiation metal wire does not touch with the base except the feed terminal and a touch point is embedded into the hole.
  • the radiation metal wire is to extend and to bend freely according to a space formed by a case.
  • the length of the first radiation metal wire is bigger than the second radiation metal wire that has a certain length for corresponding with a first operating band in order to receive or send the signal of the first operating band.
  • the second radiation metal wire is smaller than the first radiation metal wire that has a certain length for corresponding with a second operating band in order to receive or send the signal of the second operating band.
  • the first operating band can be a low frequency operating band and the second operating band can be a high frequency operating band.
  • the antenna structure for operating multi-band system comprises a circuit board 41, a first radiation metal wire 42, a second radiation metal wire 43, a feed coaxial transport wire 44, and a ground surface 45.
  • the border of the circuit board 41 has at least one hole 411 for embedding the first radiation metal wire 42 and the first radiation metal wire 42 couples to the feed point 441 provided by the feed coaxial transport wire 44.
  • the feed coaxial transport wire 44 is composed of the feed wire covering the outer ground conductor.
  • the second radiation metal wire 43 couples to the first radiation metal wire 42 near the feed point 441.
  • the ground surface 45 is set on the circuit board 41.
  • the first radiation metal wire 42 and the second radiation metal wire 43 does not touch the circuit board 41 except fixing into the hole 411 and coupling to the feed point 441.
  • the end of both radiation metal wires 42, 43 extend to the same side.
  • the first radiation metal wire 42 is to receive and to transmit the low frequency operating band of the first operating band, such as 824-960 MHz.
  • the second radiation metal wire 43 is to receive and to send the high frequency operating band of the second operating band, such as 1710-2170 MHz.
  • FIG. 6 is an experiment result of a return loss and a voltage standing wave ratio of an antenna structure for operating multi-band system according to an embodiment of the present invention.
  • the curve of point 61 to point 62 is the low frequency operating band 824 MHz-960 MHz and the curve of point 63 to point 64 is the high frequency operating band 1710 MHz-2170 MHz. Therefore, the antenna band can cover four bands of GSM (Global System for Mobile Communication) and the band of WCDMA (Wideband Code Division Multiple Access) (824-960 MHz, 1710-2170 MHz). Moreover, the high frequency band can be reached 460 MHz and return loss observation in the low frequency operating band and the high frequency operating band has a better gain of antenna radiation.
  • GSM Global System for Mobile Communication
  • WCDMA Wideband Code Division Multiple Access
  • FIG. 7 a structural drawing of an example of an antenna structure for operating multi-band system according to an embodiment of the present invention is illustrated.
  • the first radiation metal wire 71 is to extend from different directions from shown in FIG. 4 and FIG. 5.
  • the extended result will take the tail of the first radiation metal wire 71 and the tail of the second radiation metal wire 43 to set at different sides.
  • FIG. 8 another structural drawing of an example of an antenna structure for operating multi-band system according to an embodiment of the present invention is illustrated.
  • the circuit board 41 is set into a space of a case 84 and there is at least one hole 83 that is set into the circuit board 41 for fixing the first radiation metal wire 81.
  • the first radiation metal wire 81 and the second radiation metal wire 82 are to extend according to the space provided by the case 84.
  • the antenna structure uses a monopole antenna for setting structure and is hided into the case. Therefore, the advantage of the invention is to satisfy the characteristics with wideband monopole antennas and omni-directional radiation pattern.
  • the invention also overcomes the drawback with the uncovered structure.
  • the invention of the antenna structure has a better gain of antenna radiation in the low frequency operating band 824 MHz-960MHz and the high frequency operating band 1710 MHz-2170 MHz.
  • the invention uses a radiation metal wire to be a main body and uses the hole of the circuit board to fix the antenna.
  • the design decreases complexity in the antenna module structure and the antenna is bent by metal wires without antenna carrier supports.
  • the characteristics increase the capabilities of production and reduce cost.
  • Another advantage of the invention is that the antenna structure can be set any shape of cases. In other words, the antenna structure can be bent freely according to any shape of cases.
  • the present invention is novel and useful and definite enhances the performance over the conventional structure and further complies with the patent application requirements and is submitted to the Patent and Trademark Office for review and granting of the commensurate patent rights.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Support Of Aerials (AREA)
  • Details Of Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
EP05018024A 2005-04-29 2005-08-19 Antennenstruktur zum Betrieb als Mehrbandsystem Ceased EP1717899A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2005100678576A CN100511836C (zh) 2005-04-29 2005-04-29 适用于多频系统操作的天线结构

Publications (1)

Publication Number Publication Date
EP1717899A1 true EP1717899A1 (de) 2006-11-02

Family

ID=35353164

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05018024A Ceased EP1717899A1 (de) 2005-04-29 2005-08-19 Antennenstruktur zum Betrieb als Mehrbandsystem

Country Status (2)

Country Link
EP (1) EP1717899A1 (de)
CN (1) CN100511836C (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI625000B (zh) * 2013-08-29 2018-05-21 富智康（香港）有限公司 天線結構及具有該天線結構的無線通訊裝置
CN106058444B (zh) * 2016-07-20 2019-06-04 北京小鸟看看科技有限公司 一种双路天线和一种虚拟现实系统的无线通信装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0980114A1 (de) * 1998-08-12 2000-02-16 Sony Corporation Wendelantenne und mobiles Funkgerät
US20020089453A1 (en) * 2001-01-10 2002-07-11 Wen-Jen Tseng Multi-frequency band antenna
US20020118134A1 (en) * 2001-01-02 2002-08-29 Auden Technology Mfg. Co., Ltd. Planar helix antenna with two frequencies
US20020175866A1 (en) * 2001-05-25 2002-11-28 Gram Hans Erik Antenna

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2331091Y (zh) * 1998-01-16 1999-07-28 电子科技大学 微波倍频调制收发器
CN2465339Y (zh) * 2000-12-26 2001-12-12 耀登科技股份有限公司 平面螺旋双频天线
CN1452271A (zh) * 2002-04-19 2003-10-29 广达电脑股份有限公司 内藏式多频天线
CN2558098Y (zh) * 2002-05-27 2003-06-25 正文科技股份有限公司 阵列式平面天线
US6664931B1 (en) * 2002-07-23 2003-12-16 Motorola, Inc. Multi-frequency slot antenna apparatus
CN1234191C (zh) * 2002-08-29 2005-12-28 智邦科技股份有限公司 双频双偶极天线

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0980114A1 (de) * 1998-08-12 2000-02-16 Sony Corporation Wendelantenne und mobiles Funkgerät
US20020118134A1 (en) * 2001-01-02 2002-08-29 Auden Technology Mfg. Co., Ltd. Planar helix antenna with two frequencies
US20020089453A1 (en) * 2001-01-10 2002-07-11 Wen-Jen Tseng Multi-frequency band antenna
US20020175866A1 (en) * 2001-05-25 2002-11-28 Gram Hans Erik Antenna

Also Published As

Publication number Publication date
CN1694305A (zh) 2005-11-09
CN100511836C (zh) 2009-07-08

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