WO2011067943A1 - 携帯無線機 - Google Patents
携帯無線機 Download PDFInfo
- Publication number
- WO2011067943A1 WO2011067943A1 PCT/JP2010/007070 JP2010007070W WO2011067943A1 WO 2011067943 A1 WO2011067943 A1 WO 2011067943A1 JP 2010007070 W JP2010007070 W JP 2010007070W WO 2011067943 A1 WO2011067943 A1 WO 2011067943A1
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- WIPO (PCT)
- Prior art keywords
- housing
- connecting portion
- circuit board
- radiating element
- wireless device
- Prior art date
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Classifications
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
- H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
- H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
- H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
- H04M1/0235—Slidable or telescopic telephones, i.e. with a relative translation movement of the body parts; Telephones using a combination of translation and other relative motions of the body parts
Definitions
- an antenna arrangement of a portable wireless device a configuration in which an antenna element or a ground wire is generally arranged substantially parallel to the longitudinal direction or the short direction of the casing of the portable wireless device.
- the antenna element or ground wire is often in a close and parallel positional relationship with the metal plate, and the antenna performance
- proposals for solving such problems for example, those disclosed in Patent Documents 1 and 2 are known.
- a rib is provided on a part of the back surface of a radio (portable radio) body, and when the radio is placed on a metal plate, the antenna of the radio is separated from the metal plate. Is disclosed. By separating the antenna of the wireless device from the metal plate by the rib provided on the back surface of the wireless device main body, the antenna performance can be prevented from being deteriorated and good communication quality can be obtained.
- Patent Document 2 discloses that a radiating element is connected to a ground pattern of a circuit board to which an antenna is connected, and an auxiliary ground plane is coupled in a direction substantially perpendicular to the radiating element.
- FIG. 17 is a diagram illustrating a schematic configuration of a communication terminal disclosed in the document.
- the communication terminal 90 is a foldable mobile phone composed of a lower casing 100 and an upper casing 200, and a lower substrate 101 is disposed in the lower casing 100 in parallel with the longitudinal direction thereof.
- a power supply portion 102 connected to a wireless circuit (not shown) and an antenna element 103 connected to the power supply portion 102 are provided at the right end portion of the lower substrate 101 in the drawing.
- a radiating element 104 extending vertically downward and an auxiliary ground plate 105 extending in parallel with the lower substrate 101 from the distal end portion of the radiating element 104 are provided at the left end portion of the lower substrate 101 in the drawing.
- FIG. 18 is a diagram illustrating the flow of the antenna current i a and the image current i i when the communication terminal 90 is placed on the metal plate 300.
- Patent Documents 1 and 2 have the following problems.
- the appearance and design of the wireless device are affected due to the provision of ribs on the wireless device body, and the degree of freedom of the external appearance and design is limited.
- the technique disclosed in Patent Document 2 since the auxiliary ground plate added exclusively is the ground itself, the radiation efficiency of the radiating element is not good, and high antenna performance cannot be obtained.
- 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 high antenna performance without limiting the appearance and the degree of design freedom of the portable wireless device main body.
- the portable wireless device of the present invention is provided in the first casing and the first casing, and the distance between the first casing and the back surface of the first casing is less than 1/8 of the wavelength in the operating frequency band.
- a circuit board having a ground pattern; a power feeding unit connected to a radio circuit on the circuit board; an antenna element provided on an upper back surface of the first housing and connected to the power feeding unit; and the circuit
- a first radiating element provided on the opposite side of the back surface of the first housing across a substrate; a reactance element that connects one end of the first radiating element to the ground pattern; Equipped with.
- the portable wireless device when it is in operation, if it is placed on a metal plate such as a metal desk, an image current having an opposite phase to the antenna current flows through the metal plate. Due to the mirror image effect of the image current, the first radiating element operates as a vertical parasitic element having an electrical length of ⁇ / 2. Thereby, the radiation efficiency of the first radiating element is increased, and high antenna performance is obtained. Since the present invention does not require a rib for separating the antenna element of the portable wireless device from the metal plate, it does not limit the appearance and the degree of design freedom of the portable wireless device body.
- the portable wireless device of the present invention is provided in the first housing, the second housing coupled to the first housing, the first housing, and the back surface of the first housing.
- a second radiating element provided in the second casing is provided, and the second radiating element and the first radiating element are connected.
- the radiation efficiency is further improved, and higher antenna performance can be obtained.
- a housing connecting portion that rotatably connects the first housing and the second housing is provided, and the housing connecting portion is formed of a conductive metal.
- a second connecting portion wherein the first connecting portion and the second connecting portion are connected in a high-frequency manner and are rotatably supported, and the first connecting portion is provided in the first casing.
- the second coupling portion is provided to the second casing and electrically connected to the second radiating element.
- the first connecting portion and the first radiating element are connected via a reactance element.
- the degree of freedom in designing the second radiating element can be increased.
- a housing connecting portion that slidably connects the first housing and the second housing
- the housing connecting portion is formed of a conductive metal.
- a first connecting portion and a second connecting portion, the first connecting portion and the second connecting portion are connected to each other at a high frequency and slidably supported, and the first connecting portion is connected to the first housing.
- the second connecting portion is provided in the second casing and electrically connected to the second radiating element.
- the first connecting portion and the first radiating element are connected via a reactance element.
- the degree of freedom in designing the second radiating element can be increased.
- a plate-shaped conductor disposed substantially parallel to the circuit board is provided between the circuit board in the first casing and the back surface of the first casing, and the plate-shaped conductor and the The circuit board is connected to the ground pattern.
- the plate-like conductor operates as a counterpoise and strengthens the ground (increases the radiation efficiency of the radiation element), so that higher antenna performance can be obtained.
- the plate conductor and the ground pattern of the circuit board are connected via an inductance element.
- the present invention can obtain higher antenna performance in a portable wireless device such as a cellular phone without impairing the appearance and the degree of design freedom of the portable wireless device body.
- FIG. 1 is a diagram showing a schematic configuration inside a portable wireless device according to Embodiment 1 of the present invention.
- the portable wireless device 1 according to the present embodiment is configured such that the distance between one case 10 (first case) called a straight type and the back surface portion 10a of the case 10 is a wavelength in the operating frequency band.
- a circuit board 11 having a ground pattern (not shown) which is less than 1/8 of ( ⁇ ), a power feeding unit 12 connected to a wireless circuit (not shown) on the circuit board 11, and an upper rear portion of the housing 10
- An antenna element 13 provided in 10b and connected to the power feeding unit 12, and a radiating element (first radiating element) 14 provided on the opposite side to the back surface part 10a of the housing 10 with the circuit board 11 therebetween.
- the reactance element 15 that connects one end of the radiating element 14 to the ground pattern of the wireless circuit on the circuit board 11, and the circuit board 11 between the circuit board 11 in the casing 10 and the back surface portion 10 a of the casing 10 Plate-shaped guides arranged in parallel 16, an inductance element (for example, a coil) 17 that connects the plate-like conductor 16 and the ground pattern of the wireless circuit on the circuit board 11, and a display unit (for example, an LCD (Liquid Crystal) provided on the front portion 10 c of the housing 10. Display)) 18.
- the radiating element 14 including the reactance element 15 is set to an electrical length of approximately ⁇ / 4.
- FIG. 2 is a diagram showing the flow of antenna current and image current when the portable wireless device 1 of the present embodiment is placed on a metal plate 300 such as a metal desk and transmission is performed by the antenna element 13. is there.
- the radiating element 14 operates as a parasitic element having an electrical length of ⁇ / 2 by the image current i i of the metal plate 300.
- the plate-like conductor 16 operates as a counterpoise of the radiating element 14 and strengthens the ground.
- the radiation efficiency is further improved as compared with the case of the radiating element 14 alone, and higher antenna performance can be obtained.
- the bent circuit board 101 in order to dispose the radiating element 104 between the metal plate 300 and the circuit board 101, the bent circuit board 101 is used as a vertical dipole antenna. It cannot be used as a ground, and the ground is constructed by adding the auxiliary ground plate 105 botheringly. For this reason, the ground of the vertical dipole tends to be weak, and it is difficult to obtain high antenna performance as compared with the present invention.
- the electrical length of the radiating element 14 can be adjusted, and the degree of freedom in designing the radiating element 14 can be increased.
- the radiating element 14 provided on the opposite side of the back surface portion 10a of the housing 10 with the circuit board 11 therebetween, and the circuit board 11 and the housing 10
- the radiating element 14 becomes ⁇ / Since it operates as a vertical parasitic element having an electrical length of 2, and the plate conductor 16 operates as a counterpoise of the radiating element 14, higher antenna performance can be obtained on the metal plate 300.
- the present invention does not require a rib for separating the antenna element of the portable wireless device from the metal plate, and thus does not limit the appearance and the degree of design freedom of the portable wireless device 1 main body.
- FIG. 3 is a diagram showing a schematic configuration inside the portable wireless device according to the second embodiment of the present invention.
- the portable wireless device 2 according to the present embodiment includes a lower housing (first housing) 10A, an upper housing (second housing) 10B, a lower housing 10A, and an upper housing.
- 10B has a sliding structure including a housing connecting portion 20 that slidably connects to 10B, and the upper housing 10B is arranged in the longitudinal direction of the housing (bidirectional in FIG. 4) with respect to the lower housing 10A. It can be opened and closed by sliding in the direction indicated by arrow A).
- the housing connecting part 20 has a first connecting part 20A and a second connecting part 20B made of conductive metal, and the first connecting part 20A and the second connecting part 20B are connected in high frequency. And slidably supported.
- 6A and 6B are perspective views showing the first connecting portion 20A and the second connecting portion 20B.
- FIG. 6A shows the second connecting portion 20B
- FIG. 6B shows the first connecting portion 20A.
- 7 is a perspective view showing a state of the housing connecting portion 20 when the portable wireless device 2 is opened and closed.
- FIG. 7A shows a state of the housing connecting portion 20 when closed, and FIG. The state of the housing connection part 20 at the time is shown.
- the portable wireless device 2 has a circuit board (hereinafter referred to as a ground pattern) on the lower housing 10 ⁇ / b> A side, the distance from the back surface 10 ⁇ / b> Aa of the lower housing 10 ⁇ / b> A is less than ⁇ / 8. 11), a power supply unit 12 connected to a wireless circuit (not shown) on the lower circuit substrate 11, and a back upper part 10Ab of the lower housing 10A and connected to the power supply unit 12.
- a circuit board hereinafter referred to as a ground pattern
- An inductance element 17 that connects the ground pattern of the wireless circuit and a reactance element 21 that connects the ground pattern of the wireless circuit on the lower circuit board 11 and the first connecting portion 20A of the housing connecting portion 20 are provided.
- a display unit 18 provided on the front surface 10Bc of 10B.
- a ground pattern corresponding to the radiation element 14 of the portable wireless device 1 of the first embodiment described above is formed on the upper circuit board 22 on the upper housing 10B side.
- This ground pattern is used as a radiating element, which is connected to the ground pattern of the lower circuit board 11 via the reactance element 23, the housing connecting portion 20 and the reactance element 21, and the plate-like conductor 16 is connected to the lower side via the inductance element 17.
- the same effect as the portable wireless device 1 of the first embodiment described above can be obtained. That is, when the portable wireless device 2 is placed on the metal plate 300 as shown in FIG. 5, the housing connecting unit 20 and the upper circuit board 22 operate as a ⁇ / 2 parasitic element due to the image current generated by the metal plate 300. Furthermore, since the plate-like conductor 16 operates as a counterpoise, the radiation efficiency of the parasitic element is increased and higher antenna performance can be obtained.
- FIG. 8A is an equivalent configuration diagram of the portable wireless device 2 of the present embodiment.
- reference numeral 11 a is a ground pattern of the lower circuit board 11.
- Reference numeral 25 denotes a radiating element having a ground pattern on the upper circuit board 22 and has an electrical length of ⁇ / 4.
- Reference numeral 26 denotes an image.
- FIG. 8A can be replaced with the equivalent circuit of FIG.
- the radiating element operates as a ⁇ / 2 parasitic element 27 along with the image side.
- the housing connecting part used in the slide-type portable wireless device is a large conductor, and in many cases is disposed at a position that does not overlap the antenna element in the thickness direction. It is easy to configure a parasitic element.
- the LCD display unit 18
- the radio can be said to have a structure particularly suitable for the present invention.
- the reactance elements 21 and 23 it is possible to adjust the electrical length of the ground pattern of the upper circuit board 22 as a radiating element. That is, the degree of freedom in designing the ground pattern can be increased.
- the appearance and the degree of design freedom of the portable wireless device 2 body are not limited.
- FIG. 9 is a diagram showing a schematic configuration inside the portable wireless device according to the third embodiment of the present invention.
- the portable radio device 3 according to the present embodiment has a structure called a slide type like the portable radio device 2 of the second embodiment described above, and has a lower housing (first housing). ) 10A, an upper casing (second casing) 10B, and a casing connecting portion 20 that slidably connects the lower casing 10A and the upper casing 10B.
- the housing connecting portion 20 includes a first connecting portion 20A provided in the lower housing 10A and a second connecting portion 20B provided in the upper housing 10B.
- the distance from the back surface portion 10Aa of the lower housing 10A is less than ⁇ / 8, and is connected to the circuit board 11 having a ground pattern and a wireless circuit (not shown) on the circuit board 11.
- the power feeding unit 12 and the rear upper portion 10Ab of the lower housing 10A, the antenna element 13 connected to the power feeding unit 12 and the circuit board 11 are separated from the back surface 10Aa of the lower housing 10A.
- a plate-shaped conductor disposed between the reactance element 33 whose end is connected to the first connecting portion 20A of the housing connecting portion 20 and the circuit board 11 and the back surface portion 10Aa of the lower housing 10A substantially in parallel with the circuit board 11 16 and Eteiru. Further, on the upper housing 10B side, a second radiation element 34 disposed substantially parallel to the display unit 18 between the second coupling unit 20B of the housing coupling unit 20 and the display unit 18, and a second radiation A reactance element 35 that connects the element 34 to the second connecting portion 20B of the housing connecting portion 20 is provided.
- the electrical lengths of the first radiating element 30, the housing connecting portion 20, and the second radiating element 34 are set to approximately ⁇ / 4 including the reactance elements 32, 33, and 35.
- the image current generated by the metal plate 300 operates as a ⁇ / 2 parasitic element.
- the plate-like conductor 16 operates as a counterpoise, the radiation efficiency of the parasitic element is increased and higher antenna performance can be obtained.
- the electrical length of the first radiating element 30 and the second radiating element 34 can be adjusted. That is, the degree of freedom in designing the first radiating element 30 and the second radiating element 34 can be increased.
- the portable wireless device 3 of the third embodiment higher antenna performance can be obtained on the metal plate 300.
- the appearance of the portable wireless device 3 and the degree of freedom in design are not limited.
- the portable wireless device 4 shown in FIG. 10 is provided with only the first radiating element 30.
- the portable wireless device 5 shown in FIG. 11 is provided with only the second radiating element 34.
- the portable wireless device 6 shown in FIG. 12 does not have any radiating element, and uses the housing connecting portion 20 instead of the radiating element. In any case, the same effect as the portable wireless device 3 can be obtained.
- FIG. 13 is a diagram showing a schematic configuration inside a portable wireless device according to Embodiment 4 of the present invention.
- the portable wireless device 7 according to the present embodiment includes a lower housing (first housing) 70A, an upper housing (second housing) 70B, a lower housing 70A, and an upper housing.
- 14B has a foldable structure including a casing connecting portion 80 that rotatably connects to 70B, and is opened by rotating the upper casing 70B in the direction indicated by arrow B in FIG. It can be closed by turning in the opposite direction.
- FIG. 15 is a perspective view showing the external appearance of the lower housing 70A and the upper housing 70B.
- FIG. 15A shows the upper housing 70B and
- FIG. 15B shows the lower housing 70A.
- FIG. 16 is a perspective view showing a housing connecting portion 80 that connects the lower housing 70A and the upper housing 70B.
- the housing connecting part 80 has a first connecting part 80A and a second connecting part 80B made of conductive metal, and the first connecting part 80A and the second connecting part 80B are connected in high frequency. It is supported rotatably.
- the first connecting portion 80A is provided in the lower housing 70A and is electrically connected to the first radiating element 82
- the second connecting portion 80B is provided in the upper housing 70B, and the second radiating element. 83 is electrically connected.
- a circuit board (hereinafter referred to as a lower circuit board) 11 having an interval between the lower housing 70A and the back surface portion 70Aa of less than ⁇ / 8 and having a ground pattern, and a lower circuit board 11, a power feeding unit 12 connected to a radio circuit (not shown), an antenna element 13 provided on the upper back surface 70Ab of the lower housing 70A and connected to the power feeding unit 12, a lower circuit board 11 and a lower housing
- a plate-like conductor 16 disposed substantially parallel to the lower circuit board 11 between the back surface portion 70Aa of 70A, a reactance element 17 connecting the plate-like conductor 16 and the ground pattern of the lower circuit board 11, and the lower circuit board 11;
- a reactance element 84 that connects the ground pattern and the first connecting portion 80A of the housing connecting portion 80 to each other.
- the upper circuit board 22 having a ground pattern, the reactance element 85 that connects the ground pattern of the upper circuit board 22 and the second connection portion 80B of the housing connection portion 80, and the upper case And a display unit 18 provided on a front surface 70Bc (see FIG. 14) of 70B.
- the electrical lengths of the first radiating element 82, the case coupling portion 80, and the second radiating element 83 are set to approximately ⁇ / 4 including the reactance elements 84 and 85.
- the electrical lengths of the first radiating element 82, the case coupling portion 80, and the second radiating element 83 are set to approximately ⁇ / 4 including the reactance elements 84 and 85.
- the electrical length of the first radiating element 82 and the second radiating element 83 can be adjusted, and the design of the first radiating element 82 and the second radiating element 83 can be adjusted.
- the degree of freedom can be increased.
- the portable wireless device 7 according to the fourth embodiment higher antenna performance can be obtained on the metal plate 300. Further, as in the first embodiment, the appearance of the portable wireless device 7 and the degree of design freedom are not limited.
- the present invention has an effect that a high antenna performance can be obtained without limiting the appearance and the degree of design freedom of the portable radio main body, and can be applied to a portable radio such as a cellular phone.
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Abstract
Description
図1は、本発明の実施の形態1に係る携帯無線機の内部の概略構成を示す図である。同図において、本実施の形態に係る携帯無線機1は、ストレート式と呼ばれる1つの筐体10(第1の筐体)と、筐体10の背面部10aとの間隔が動作周波数帯において波長(λ)の1/8未満であり、グランドパターン(図示略)を有する回路基板11と、回路基板11上の無線回路(図示略)に接続された給電部12と、筐体10の背面上部10bに設けられ、給電部12と接続されたアンテナ素子13と、回路基板11を隔てて筐体10の背面部10aに対して逆側に設けられた放射素子(第1の放射素子)14と、放射素子14の一方の端を回路基板11上の無線回路のグランドパターンと接続させるリアクタンス素子15と、筐体10内の回路基板11と筐体10の背面部10aの間に回路基板11と略平行に配置された板状導体16と、板状導体16と回路基板11上の無線回路のグランドパターンとを接続するインダクタンス素子(例えばコイル)17と、筐体10の正面部10cに設けられた表示部(例えばLCD(Liquid Crystal Display))18とを備えている。放射素子14は、リアクタンス素子15を含めて略λ/4の電気長に設定されている。
図3は、本発明の実施の形態2に係る携帯無線機の内部の概略構成を示す図である。同図において、本実施の形態に係る携帯無線機2は、下筐体(第1の筐体)10Aと、上筐体(第2の筐体)10Bと、下筐体10Aと上筐体10Bとを摺動自在に連結する筐体連結部20とを備えたスライド式の構造を有するものであり、下筐体10Aに対して上筐体10Bを筐体長手方向(図4の双方向の矢印Aで示す方向)にスライドさせることで開閉可能になっている。
図9は、本発明の実施の形態3に係る携帯無線機の内部の概略構成を示す図である。同図において、本実施の形態に係る携帯無線機3は、前述した実施の形態2の携帯無線機2と同様にスライド式と呼ばれる構造を有するものであり、下筐体(第1の筐体)10Aと、上筐体(第2の筐体)10Bと、下筐体10Aと上筐体10Bとを摺動自在に連結する筐体連結部20とを備えている。筐体連結部20は、下筐体10Aに設けられる第1連結部20Aと、上筐体10Bに設けられる第2連結部20Bとを備えている。
図13は、本発明の実施の形態4に係る携帯無線機の内部の概略構成を示す図である。同図において、本実施の形態に係る携帯無線機7は、下筐体(第1の筐体)70Aと、上筐体(第2の筐体)70Bと、下筐体70Aと上筐体70Bとを回動自在に連結する筐体連結部80とを備えた折り畳式の構造を有するものであり、図14の矢印Bで示す方向に上筐体70Bを回動させることで開くことができ、逆方向に回動させることで閉じることができる。
10 筐体
10A 下筐体
10B 上筐体
10a、10Aa、70Aa 背面部
10b、10Ab、70Ab 背面上部
10c、10Bc 正面部
11 回路基板(下回路基板)
11a グランドパターン
12 給電部
13 アンテナ素子
14、25 放射素子
15、21、23、32、33、35、84、85 リアクタンス素子
16 板状導体
17 インダクタンス素子
18 表示部
20、80 筐体連結部
20A、80A 第1連結部
20B、80B 第2連結部
26 イメージ
27 無給電素子
30、82 第1の放射素子
34、83 第2の放射素子
300 金属板
Claims (9)
- 第1の筐体と、
前記第1の筐体に設けられ、前記第1の筐体の背面部との間隔が動作周波数帯において波長の1/8未満であり、グランドパターンを有する回路基板と、
前記回路基板上の無線回路に接続された給電部と、
前記第1の筐体の背面上部に設けられ、前記給電部と接続されたアンテナ素子と、
前記回路基板を隔てて前記第1の筐体の背面部に対して逆側に設けられた第1の放射素子と、
前記第1の放射素子の一方の端を前記グランドパターンと接続させるリアクタンス素子と、
を備えた携帯無線機。 - 第1の筐体と、
前記第1の筐体と連結される第2の筐体と、
前記第1の筐体に設けられ、前記第1の筐体の背面部との間隔が動作周波数帯において波長の1/8未満であり、グランドパターンを有する回路基板と、
前記回路基板上の無線回路に接続された給電部と、
前記第1の筐体の背面上部に設けられ、前記給電部と接続されたアンテナ素子と、
前記回路基板を隔てて前記第1の筐体の背面部に対して逆側に設けられた第1の放射素子と、
前記第1の放射素子の一方の端を前記グランドパターンと接続させるリアクタンス素子と、
を備えた携帯無線機。 - 前記第2の筐体に設けられた第2の放射素子を備え、前記第2の放射素子と前記第1の放射素子とが接続されている請求項2に記載の携帯無線機。
- 前記第1の筐体と前記第2の筐体とを回動自在に連結する筐体連結部を備え、
前記筐体連結部は、導電性の金属で構成された第1連結部と第2連結部とを有し、前記第1連結部と前記第2連結部とが高周波的に接続されると共に回動自在に支持され、
前記第1連結部は、前記第1の筐体に設けられ、前記第1の放射素子と電気的に接続されており、
前記第2連結部は、前記第2の筐体に設けられ、前記第2の放射素子と電気的に接続されている請求項3に記載の携帯無線機。 - 前記第1連結部と前記第1の放射素子とがリアクタンス素子を介して接続されている請求項4に記載の携帯無線機。
- 前記第1の筐体と前記第2の筐体とを摺動自在に連結する筐体連結部を備え、
前記筐体連結部は、導電性の金属で構成された第1連結部と第2連結部とを有し、前記第1連結部と前記第2連結部とが高周波的に接続されると共に摺動自在に支持され、
前記第1連結部は、前記第1の筐体に設けられ、前記第1の放射素子と電気的に接続されており、
前記第2連結部は、前記第2の筐体に設けられ、前記第2の放射素子と電気的に接続されている請求項3に記載の携帯無線機。 - 前記第1連結部と前記第1の放射素子とがリアクタンス素子を介して接続されている請求項6に記載の携帯無線機。
- 前記第1の筐体内の前記回路基板と前記第1の筐体の背面部との間に前記回路基板と略平行に配置された板状導体を備え、前記板状導体と前記回路基板のグランドパターンとが接続されている請求項1乃至請求項7のいずれか一項に記載の携帯無線機。
- 前記板状導体と前記回路基板のグランドパターンとがインダクタンス素子を介して接続されている請求項8に記載の携帯無線機。
Priority Applications (2)
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CN2010800155591A CN102369633A (zh) | 2009-12-04 | 2010-12-03 | 便携式无线电设备 |
US13/203,749 US20110316758A1 (en) | 2009-12-04 | 2010-12-03 | Portable radio |
Applications Claiming Priority (2)
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JP2009-276560 | 2009-12-04 | ||
JP2009276560A JP2011120072A (ja) | 2009-12-04 | 2009-12-04 | 携帯無線機 |
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WO2011067943A1 true WO2011067943A1 (ja) | 2011-06-09 |
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PCT/JP2010/007070 WO2011067943A1 (ja) | 2009-12-04 | 2010-12-03 | 携帯無線機 |
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US (1) | US20110316758A1 (ja) |
JP (1) | JP2011120072A (ja) |
CN (1) | CN102369633A (ja) |
WO (1) | WO2011067943A1 (ja) |
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US10129960B2 (en) * | 2014-11-10 | 2018-11-13 | Cree, Inc. | Antenna arrangement for a solid-state lamp |
WO2021197585A1 (en) * | 2020-03-31 | 2021-10-07 | Huawei Technologies Co., Ltd. | Antenna and feeding method for wireless communication devices |
Citations (3)
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JP2000315909A (ja) * | 1999-04-30 | 2000-11-14 | Casio Comput Co Ltd | 携帯通信機 |
WO2006112160A1 (ja) * | 2005-03-30 | 2006-10-26 | Matsushita Electric Industrial Co., Ltd. | 折畳式携帯無線機 |
JP2009165003A (ja) * | 2008-01-09 | 2009-07-23 | Panasonic Corp | 無線通信端末 |
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DE69424968T2 (de) * | 1993-04-28 | 2000-10-19 | Casio Computer Co., Ltd. | Antennenvorrichtung zur Erzeugung gewünschter Strahlungsdiagramme ohne Veränderung der Antennenstruktur |
AU705191B2 (en) * | 1995-06-02 | 1999-05-20 | Ericsson Inc. | Multiple band printed monopole antenna |
US6243592B1 (en) * | 1997-10-23 | 2001-06-05 | Kyocera Corporation | Portable radio |
JP4572580B2 (ja) * | 2004-05-24 | 2010-11-04 | パナソニック株式会社 | 折り畳み式携帯無線機 |
JP4444021B2 (ja) * | 2004-06-29 | 2010-03-31 | パナソニック株式会社 | 折畳式携帯無線機 |
WO2006057350A1 (ja) * | 2004-11-26 | 2006-06-01 | Matsushita Electric Industrial Co., Ltd. | 折畳式携帯無線装置 |
CN101288289B (zh) * | 2005-09-14 | 2011-09-21 | 松下电器产业株式会社 | 携带式无线电设备 |
JP4146478B2 (ja) * | 2006-07-07 | 2008-09-10 | 株式会社東芝 | 無線モジュール及び携帯端末 |
JP2008072382A (ja) * | 2006-09-13 | 2008-03-27 | Toshiba Corp | アンテナ装置及び無線装置 |
JPWO2009019782A1 (ja) * | 2007-08-09 | 2010-10-28 | パナソニック株式会社 | アンテナ装置および携帯無線装置 |
-
2009
- 2009-12-04 JP JP2009276560A patent/JP2011120072A/ja not_active Ceased
-
2010
- 2010-12-03 US US13/203,749 patent/US20110316758A1/en not_active Abandoned
- 2010-12-03 WO PCT/JP2010/007070 patent/WO2011067943A1/ja active Application Filing
- 2010-12-03 CN CN2010800155591A patent/CN102369633A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2000315909A (ja) * | 1999-04-30 | 2000-11-14 | Casio Comput Co Ltd | 携帯通信機 |
WO2006112160A1 (ja) * | 2005-03-30 | 2006-10-26 | Matsushita Electric Industrial Co., Ltd. | 折畳式携帯無線機 |
JP2009165003A (ja) * | 2008-01-09 | 2009-07-23 | Panasonic Corp | 無線通信端末 |
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US20110316758A1 (en) | 2011-12-29 |
JP2011120072A (ja) | 2011-06-16 |
CN102369633A (zh) | 2012-03-07 |
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