WO2010050148A1 - 携帯無線機 - Google Patents
携帯無線機 Download PDFInfo
- Publication number
- WO2010050148A1 WO2010050148A1 PCT/JP2009/005500 JP2009005500W WO2010050148A1 WO 2010050148 A1 WO2010050148 A1 WO 2010050148A1 JP 2009005500 W JP2009005500 W JP 2009005500W WO 2010050148 A1 WO2010050148 A1 WO 2010050148A1
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- WO
- WIPO (PCT)
- Prior art keywords
- antenna element
- circuit board
- housing
- antenna
- filter
- Prior art date
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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
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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
- H04M1/026—Details of the structure or mounting of specific components
Definitions
- the present invention relates to a portable wireless device having a casing that can be opened and closed.
- the above-mentioned dipole antenna is used in an open state by using a hinge part that rotatably connects an upper case and a lower case as a monopole antenna element, and in a closed state. It is conceivable to use a monopole antenna.
- the hinge part when used as a monopole antenna element, the hinge part functions as a rotating shaft when the upper case or the lower case rotates, and thus requires a certain degree of strength, so it is difficult to reduce the size. It is. As a result, the hinge part comes close to the ground part of the lower case and the ground part of the upper case, and there is a problem that the antenna performance deteriorates when the housing is closed.
- the present invention has been made in view of such points, and an object of the present invention is to provide a portable wireless device that can prevent deterioration of antenna performance in a state where the casing is closed.
- the portable wireless device of the present invention includes a first housing having a first circuit board, a second housing having a second circuit board, the first housing, and the second housing. Are electrically connected to the radio circuit, and a hinge part having conductivity, an antenna element, a radio circuit provided on the first circuit board or the second circuit board, and the radio circuit. And a power feeding part that feeds power to the antenna element, and the hinge part is electrically connected to the power feeding part via the antenna element.
- the present invention it is possible to prevent the antenna performance from being deteriorated when the casing is closed.
- Fig. 3 is a plan view of the portable wireless device according to the first embodiment of the present invention.
- Fig. 3 is a plan view of the portable wireless device according to the first embodiment of the present invention.
- Fig. 3 is a plan view of the portable wireless device according to the first embodiment of the present invention.
- 1 is a perspective view of a main part of a portable wireless device according to Embodiment 1 of the present invention.
- Plan view of portable radio apparatus according to Embodiment 2 of the present invention A perspective view of the principal part of the portable radio concerning Embodiment 2 of the present invention
- Plan view of portable radio apparatus according to Embodiment 3 of the present invention A perspective view of the principal part of the portable radio concerning Embodiment 3 of the present invention
- Plan view of portable radio apparatus according to Embodiment 4 of the present invention Plan view of portable radio apparatus according to Embodiment 5 of the present invention
- FIG. 1 to 3 are plan views of portable radio apparatus 100 according to Embodiment 1 of the present invention. 1 and 3 show the portable wireless device 100 in an opened state, and FIG. 2 shows the portable wireless device 100 in a closed state.
- the portable wireless device 100 has three housings, a first housing 101, a second housing 102, and a third housing 103.
- the first casing 101, the second casing 102, and the third casing 103 are coupled to each other so as to be rotatable about the first hinge portion 104 as a rotation axis. Further, the first casing 101, the second casing 102, and the third casing 103 are coupled to each other so as to be rotatable about the second hinge portion 105 as a rotation axis.
- the first housing 101 has a rectangular shape in plan view, and is connected to the second housing 102 via the third housing 103 by the first hinge 104 or the second hinge 105 so as to be rotatable. ing.
- the first housing 101 has a circuit board 111 inside. Further, the first housing 101 has a display surface (not shown) that is exposed to the outside and displays an image with the portable wireless device 100 opened.
- the second housing 102 has a rectangular shape in plan view, and is connected to the first housing 101 by the first hinge portion 104 or the second hinge portion 105 via the third housing 103 so as to be rotatable. ing.
- the second casing 102 is exposed to the outside with the portable wireless device 100 opened, and has an operation surface (not shown) that is operated during a call or the like.
- the second housing 102 includes a circuit board 112 inside.
- the third housing 103 accommodates the first hinge part 104 and a part of the second hinge part 105 inside.
- the third housing 103 houses the antenna element 116 and the matching circuit 117 inside. Further, the third housing 103 accommodates a part of the coaxial line 115 therein.
- the first hinge portion 104 is made of a conductive material so that the first hinge portion 104 changes from the open state of FIG. 1 to the closed state of FIG. 2 or from the closed state of FIG. 2 to the open state of FIG.
- the first casing 101, the second casing 102, and the third casing 103 are rotatably connected.
- the first hinge unit 104 is connected to the first casing 101 and the second casing in the longitudinal direction of the first casing 101 or the second casing 102 (vertical direction in FIGS. 1 to 3).
- 102 and the third housing 103 are rotatably connected.
- the first hinge portion 104 is electrically connected to the antenna element 116 and is electrically connected to the terminal portion 114.
- the second hinge part 105 is formed of a conductive material so that the opened state in FIG. 2 changes to the closed state in FIG. 3 or from the closed state in FIG. 2 to the open state in FIG.
- the first casing 101, the second casing 102, and the third casing 103 are rotatably connected. That is, the second hinge unit 105 is configured to connect the first casing 101, the second casing 102, and the third casing 103 in a direction perpendicular to the longitudinal direction (the left-right direction in FIGS. 1 to 3). It connects so that it can rotate freely.
- the second hinge portion 105 is electrically connected to the ground portion of the matching circuit 117 via the connection portion 120, and is connected to the ground of the circuit board 111 via a termination circuit (not shown in FIGS. 1 to 3). Electrically connected to the part. Note that the second hinge unit 105 is rotatable together with the first casing 101 when the first casing 101 is rotated about the first hinge unit 104 as a rotation axis.
- the circuit board 111 has a conductive circuit pattern (not shown) formed on a plane portion and a ground portion (not shown) over substantially the entire surface.
- the circuit board 111 is electrically connected to the second hinge portion 105.
- the ground part is formed by printing a ground pattern on the circuit board 111, for example.
- the circuit board 112 has a conductive circuit pattern (not shown) formed on a plane portion and a ground portion (not shown) over substantially the entire surface.
- the circuit board 112 includes a wireless circuit 113 grounded to the ground part and a terminal part 114 grounded to the ground part.
- the ground portion is formed by printing a ground pattern on the circuit board 112.
- the radio circuit 113 is electrically connected to the coaxial line 115. In addition, the radio circuit 113 performs reception processing of a signal received by the antenna or transmission processing of a signal transmitted by the antenna.
- the termination portion 114 is configured by a reactance element, and electrically connects the ground portion of the circuit board 112 and the first hinge portion 104.
- the coaxial line 115 is provided for feeding, and electrically connects the radio circuit 113 and the matching circuit 117.
- the ground of the coaxial line 115 is connected to the ground of the circuit board 112 and the hinge portion 105.
- the antenna element 116 is electrically connected to the matching circuit 117 via the connection unit 118.
- the antenna element 116 is electrically connected to the first hinge unit 104 through the connection unit 119.
- the antenna element 116 is formed by printing a conductive pattern on an insulating substrate.
- the antenna element 116 is, for example, an antenna having a quarter wavelength that resonates in the 800 MHz band.
- the matching circuit 117 is electrically connected to the radio circuit 113 via the coaxial line 115 and is also electrically connected to the antenna element 116 via the connection portion 118, and the impedance between the antenna element 116 and the radio circuit 113. To match.
- the ground portion of the matching circuit 117 is electrically connected to the second hinge portion 105 through the connection portion 120.
- the antenna element 116, the first hinge portion 104, the termination portion 114, and the ground portion of the circuit board 112 are electrically connected to each other, and the antenna element 116 supplies power. Power is supplied from the unit 121.
- the antenna element 116, the first hinge portion 104, the terminal end portion 114, and the ground portion of the circuit board 112 are approximately one-fourth. Functions as a wavelength antenna.
- the antenna having a substantially quarter wavelength thus configured resonates in the 800 MHz band, for example.
- the distance L1 between the antenna element 116 and the ground portion of the circuit board 112 is made larger than the distance L2 between the first hinge portion 104 and the ground portion of the circuit board 112 (L1> L2) (see FIG. 2).
- the distance L3 between the antenna element 116 and the ground portion of the circuit board 111 is made larger than the distance L4 between the first hinge portion 104 and the ground portion of the circuit board 111 (L3> L4) (not shown).
- FIG. 4 is a perspective view of a main part of the portable wireless device 100. 4, parts having the same configuration as in FIGS. 1 to 3 are denoted by the same reference numerals, and description thereof is omitted.
- connection portion 401 is formed of a conductive member, and electrically connects the first hinge portion 104 and the end portion 114.
- connection portion 402 is formed of an elastically deformable conductive material, and electrically connects the antenna element 116 and the first hinge portion 104.
- the substrate 403 is formed of an insulating material, and the antenna element 116 and the matching circuit 117 are printed and formed on the upper surface portion using a conductive material.
- the substrate 403 has a through hole (not shown) penetrating from the upper surface portion to the back surface portion, and has a conductive layer on the inner wall portion of the through hole. The through hole electrically connects the antenna element 116 and the connection portion 402.
- connection portion 404 is made of an elastically deformable conductive material, and electrically connects the ground portion of the matching circuit 117 and the second hinge portion 105.
- the connecting portion 404 is brought into pressure contact with the second hinge portion 105 so that the second hinge portion 105 is electrically connected to the second hinge portion 105 when the first hinge 101 is turned. Connection can be maintained.
- connection part 405 is formed of a conductive member, and electrically connects the second hinge part 105 and the terminal part 406.
- the termination portion 406 is connected to the ground portion of the circuit board 111 and grounded, and terminates the second hinge portion 105 to the ground portion of the circuit board 111 via the connection portion 405.
- the terminal portion 406 is formed of a reactance element, and electrically connects the ground portion of the circuit board 111 and the second hinge portion 105. In FIG. 1 and FIG. 3, the description of the terminal portion 406 is omitted for convenience of explanation.
- the antenna element 116 is arranged so that the distance L1 between the antenna element 116 and the ground portion of the circuit board 112 is 12 mm and the distance L3 between the antenna element 116 and the ground portion of the circuit board 111 is 11 mm.
- antenna element 116 is arranged so that L1> L2 and L3> L2.
- the antenna element 116 is arranged so that the distance L4 between the first hinge portion 104 and the ground portion of the circuit board 111 satisfies the relationship of L1> L4 and L3> L4.
- the antenna element 116 is disposed at a position sufficiently separated from both the ground part of the circuit board 111 and the ground part of the circuit board 112 compared to the first hinge part 104, thereby The influence of both the ground portion of the circuit board 111 and the ground portion of the circuit board 112 can be reduced.
- the ground portion of the circuit board provided in the first housing, the hinge portion, and the second housing operates as a dipole antenna, and high antenna performance can be obtained in the open state.
- the antenna performance can be prevented from being deteriorated in the closed state by feeding power to the antenna element disposed at a position away from the ground portion of the circuit board.
- FIG. 5 is a plan view of portable radio apparatus 500 according to Embodiment 2 of the present invention.
- FIG. 5 shows the portable wireless device 500 in an open state.
- FIG. 5 adds a filter 501, a connection unit 502, and a connection unit 503 to the portable radio device 100 according to Embodiment 1 shown in FIG. 1 except for the connection unit 119.
- FIG. 5 parts having the same configuration as in FIG.
- the closed state is the same as in FIG. 2, and first casing 101 is rotated and opened in a direction perpendicular to the rotation direction of FIG. Since the state is the same as that in FIG. 3, the description thereof is omitted.
- the third housing 103 accommodates the first hinge part 104 and a part of the second hinge part 105 inside.
- the third housing 103 houses the antenna element 116, the matching circuit 117, and the filter 501 inside. Further, the third housing 103 accommodates a part of the coaxial line 115 therein.
- the antenna element 116 is electrically connected to the matching circuit 117 via the connection unit 118.
- the antenna element 116 functions as an antenna when fed from the feeding unit 121.
- the antenna element 116 is electrically connected to the filter 501 through the connection portion 502.
- the antenna element 116 is formed by printing a conductive pattern on an insulating substrate.
- the antenna element 116 has an electrical length that resonates in a 2 GHz band, for example.
- the filter 501 includes a reactance element, and is connected between the antenna element 116 and the first hinge unit 104.
- the filter 501 is electrically connected to the antenna element 116 via the connection portion 502 and is electrically connected to the first hinge portion 104 via the connection portion 503, thereby connecting the first hinge portion 104 and the antenna element 116.
- the filter 501 has a low impedance in the 800 MHz band and a high impedance in the 2 GHz band, thereby blocking the 2 GHz band. That is, the filter 501 prevents the first hinge unit 104 from functioning as an antenna when the antenna element 116 resonates in the 2 GHz band.
- the filter 501 also functions as a filter for ensuring isolation from other radio circuit antennas by providing high impedance in other radio frequency bands.
- the filter 501 functions as a filter that cuts off the frequency band of digital television broadcasting by setting high impedance even in the 400 MHz band.
- the antenna element 116, the filter 501, the first hinge portion 104, the termination portion 114, and the ground portion of the circuit board 112 are electrically connected to each other, and the antenna The element 116 is supplied with power from the power supply unit 121.
- the antenna element 116, the filter 501, the first hinge unit 104, the terminal unit 114, and the ground unit of the circuit board 112 have approximately a quarter wavelength. Functions as an antenna.
- the thus configured antenna having a quarter wavelength resonates at a frequency (for example, 800 MHz band) lower than the 2 GHz band that is the resonance frequency of the antenna element 116.
- the antenna element 116 since the antenna element 116 has an electrical length of approximately a quarter wavelength in the 2 GHz band, it resonates in the 2 GHz band both in the open state and in the closed state. At this time, since the filter 501 blocks the 2 GHz band, the electrical connection between the antenna element 116 and the first hinge unit 104 is blocked. As a result, when the antenna element 116 resonates in the 2 GHz band, only the antenna element 116 functions as an antenna.
- FIG. 6 is a perspective view of a main part of the portable wireless device 500.
- connection unit 602 has a filter 501 and a connection unit 602 added to the portable radio device 100 according to Embodiment 1 shown in FIG. 4, and includes a connection unit 601 instead of the connection unit 402.
- FIG. 6 parts having the same configurations as those in FIGS. 4 and 5 are denoted by the same reference numerals and description thereof is omitted.
- the substrate 403 is formed of an insulating material, and the antenna element 116, the matching circuit 117, the filter 501, and the connection portion 602 are printed and formed on the upper surface portion using a conductive material.
- the substrate 403 has a through hole (not shown) penetrating from the upper surface portion to the back surface portion, and has a conductive layer on the inner wall portion of the through hole. This through hole electrically connects the filter 501 and the connection portion 601.
- connection portion 601 is made of an elastically deformable conductive material, and electrically connects the filter 501 and the first hinge portion 104.
- connection portion 602 is formed of a conductive member, and electrically connects the antenna element 116 and the filter 501.
- the antenna element 116 is arranged so that L1> L2 and L3> L2 as in FIG.
- the antenna element 116 is arranged so that the distance L4 between the first hinge portion 104 and the ground portion of the circuit board 111 satisfies the relationship of L1> L4 and L3> L4.
- the antenna element 116 is disposed at a position sufficiently separated from both the ground part of the circuit board 111 and the ground part of the circuit board 112 compared to the first hinge part 104, thereby The influence of both the ground portion of the circuit board 111 and the ground portion of the circuit board 112 can be reduced.
- the power supply is directly supplied to the hinge portion, and the shape of the hinge portion is limited because the hinge portion needs to have a function of rotatably connecting the casings, so that a two-resonance antenna is configured. At this time, it is difficult to configure an antenna that resonates at a desired frequency by the hinge portion.
- the 2 GHz band is cut off by the filter and the antenna element that resonates in the 2 GHz band is arranged away from the ground part of the circuit board so that the hinge part does not resonate in the 2 GHz band.
- the 2 GHz band high antenna performance can be obtained both in the open state and in the closed state.
- the 800 MHz band by supplying power to the hinge portion via the antenna element, the ground portion of the circuit board provided in the first housing, the hinge portion, and the circuit provided in the second housing It operates as a dipole antenna that resonates with the ground portion of the substrate in the 800 MHz band, and high antenna performance can be obtained in the open state of the 800 MHz band.
- the resonance frequency can be freely adjusted by changing the length of the antenna element.
- the antenna element 116 and the first hinge unit 104 are connected via the filter 501, but the present invention is not limited to this, and the antenna element 116 and the antenna element 116 are connected via any reactance element.
- the first hinge unit 104 may be connected.
- a circuit configuration of a capacitor and a coil that operate as an arbitrary capacitance or inductance in the 800 MHz band and the 2 GHz band, respectively, may be used.
- FIG. 7 is a plan view of portable wireless device 700 according to Embodiment 3 of the present invention.
- FIG. 7 shows the portable wireless device 700 in an open state.
- a portable wireless device 700 shown in FIG. 7 adds a filter 703, a filter 704, a connecting portion 705, and a connecting portion 706 to the portable wireless device 100 according to the first embodiment shown in FIG.
- an antenna element 701 and an antenna element 702 are provided.
- FIG. 7 parts having the same configuration as in FIG.
- the closed state is the same as in FIG. 2, and first casing 101 is rotated and opened in a direction perpendicular to the rotation direction of FIG. Since it is the same as FIG. 3 when it comes to a state, the description is abbreviate
- the third housing 103 accommodates the first hinge part 104 and a part of the second hinge part 105 inside.
- the third housing 103 accommodates the antenna element 701, the antenna element 702, the matching circuit 117, the filter 703, and the filter 704 therein. Further, the third housing 103 accommodates a part of the coaxial line 115 therein.
- the antenna element 701 is electrically connected to the matching circuit 117 via the connection unit 118.
- the antenna element 701 functions as an antenna when fed from the feeding unit 121.
- the antenna element 701 is electrically connected to the first hinge unit 104 via the filter 704.
- the antenna element 701 is electrically connected to the antenna element 702 through the filter 703.
- the antenna element 701 is formed by printing a conductive pattern on an insulating substrate. Further, the antenna element 701 has an electrical length that resonates in a 2 GHz band, for example.
- the filter 703 is a band pass filter, for example, and is configured by a reactance element.
- the filter 703 is electrically connected between the antenna element 701 and the antenna element 702, thereby electrically connecting the antenna element 701 and the antenna element 702.
- the filter 703 has a low impedance in the 800 MHz band and a high impedance in the 2 GHz band, thereby blocking the 2 GHz band. That is, the filter 703 prevents the antenna element 702 from functioning as an antenna when the antenna element 701 resonates in the 2 GHz band.
- the antenna element 702 includes the antenna element 701 and the filter 703, and has an electrical length of approximately a quarter wavelength in, for example, the 800 MHz band.
- the antenna element 702 is electrically connected to the antenna element 701 through the filter 703.
- the antenna element 702 is formed by printing a conductive pattern on an insulating substrate, for example.
- the filter 704 includes a reactance element and is connected between the antenna element 701 and the first hinge unit 104.
- the filter 704 is electrically connected to the antenna element 701 through the connection portion 705 and is electrically connected to the first hinge portion 104 through the connection portion 706, thereby connecting the first hinge portion 104 and the antenna element 701. Connect electrically.
- the filter 704 blocks the 2 GHz band by having a low impedance in the 800 MHz band and a high impedance in the 2 GHz band. That is, the filter 704 prevents the first hinge unit 104 from functioning as an antenna when the antenna element 701 resonates in the 2 GHz band.
- the antenna element 701, the filter 704, the first hinge portion 104, the termination portion 114, and the ground portion of the circuit board 112 are electrically connected to each other, and the antenna The element 701 is supplied with power from the power supply unit 121.
- the antenna element 701, the filter 704, the first hinge unit 104, the terminal unit 114, and the ground part of the circuit board 112 are approximately a quarter at 800 MHz. Functions as a wavelength antenna.
- the antenna element 701, the filter 703, and the antenna element 702 are electrically connected to each other, and the antenna element 701 is fed from the power feeding unit 121.
- the antenna element 701, the filter 703, and the antenna element 702 function as an antenna having a substantially quarter wavelength at 800 MHz.
- the antenna having a substantially quarter wavelength thus configured resonates in the 800 MHz band, for example.
- the antenna element 701 functions as an antenna that resonates in the 2 GHz band both in the open state and in the closed state.
- the filter 703 and the filter 704 cut off the 2 GHz band
- the electrical connection between the antenna element 701 and the first hinge unit 104 is cut off, and the electrical connection between the antenna element 701 and the antenna element 702 is interrupted. Is cut off.
- the antenna element 701 resonates in the 2 GHz band
- only the antenna element 701 functions as an antenna.
- FIG. 8 is a perspective view of a main part of the portable wireless device 700.
- a portable wireless device 700 illustrated in FIG. 8 includes an antenna element 701, an antenna element 702, a filter 703, a filter 704, and a connection unit 802, compared to the portable wireless device 100 according to Embodiment 1 illustrated in FIG.
- a connection unit 801 is provided instead of the connection unit 402.
- the same components as those in FIGS. 4 and 7 are denoted by the same reference numerals, and the description thereof is omitted.
- the substrate 403 is formed using an insulating material, and the antenna element 701, the antenna element 702, the matching circuit 117, the filter 703, the filter 704, and the connection portion 703 are formed using an electrically conductive material.
- the substrate 403 has a through hole (not shown) penetrating from the upper surface portion to the back surface portion, and has a conductive layer on the inner wall portion of the through hole. The through hole electrically connects the filter 704 and the connection portion 801.
- connection part 801 is formed of a material having conductivity that can be elastically deformed, and electrically connects the filter 704 and the first hinge part 104.
- connection portion 802 is formed of a conductive member, and electrically connects the antenna element 701 and the filter 704.
- the antenna element 701 and the antenna element 702 are arranged so that L1> L2 and L3> L2, as in FIG.
- the antenna element 701 and the antenna element 702 are set such that the distance L4 between the first hinge portion 104 and the ground portion of the circuit board 111 satisfies the relationship of L1> L4 and L3> L4. Place.
- the antenna element 701 and the antenna element 702 are disposed at positions sufficiently separated from both the ground part of the circuit board 111 and the ground part of the circuit board 112 as compared with the first hinge part 104. The influence of both the ground portion of the circuit board 111 and the ground portion of the circuit board 112 on the antenna element 701 and the antenna element 702 can be reduced.
- FIG. 9 is a diagram illustrating another configuration of the main part of the portable wireless device 700 in the present embodiment. 9, parts having the same configuration as in FIG. 7 are denoted by the same reference numerals and description thereof is omitted.
- connection unit 901 is provided instead of the filter 703.
- the connection unit 901 has a meander shape, and electrically connects the matching circuit 117 and the antenna element 702.
- the connection unit 901 blocks the 2 GHz band by having a low reactance and a low impedance in the 800 MHz band, and a large reactance and a high impedance in the 2 GHz band. That is, the connection unit 901 prevents the antenna element 702 from functioning as an antenna when the antenna element 701 resonates in the 2 GHz band.
- the antenna element having two resonances away from the ground portion of the circuit board by disposing the antenna element having two resonances away from the ground portion of the circuit board, high antenna performance can be obtained in the closed state of both the 800 MHz band and the 2 GHz band. Can do. Also, in the 800 MHz band, by supplying power to the hinge portion via the antenna element, the ground portion of the circuit board provided in the upper first housing, the hinge portion, and the lower second housing It operates as a dipole antenna that resonates in the 800 MHz band with the ground portion of the circuit board provided at, and high antenna performance can be obtained in the open state.
- the 2 GHz band is cut off by a filter so that the first hinge part does not resonate in the 2 GHz band, and the antenna element that resonates in the 2 GHz band is arranged away from the ground part of the circuit board, so the antenna performance in the 2 GHz band is degraded. Can be prevented.
- the antenna element 703 and the first hinge unit 104 are connected via the filter 704.
- the present invention is not limited to this, and the antenna element 703 is connected via any reactance element.
- the first hinge unit 104 may be connected.
- a circuit configuration of a capacitor and a coil that operate as an arbitrary capacitance or inductance in the 800 MHz band and the 2 GHz band, respectively, may be used.
- FIG. 10 is a plan view of portable radio apparatus 1000 according to Embodiment 4 of the present invention.
- FIG. 10 shows the portable wireless device 1000 in an open state.
- the portable wireless device 1000 has three housings, a first housing 1001, a second housing 1002, and a third housing 1003.
- the first housing 1001, the second housing 1002, and the third housing 1003 are connected to each other so as to be rotatable about a hinge portion 1004 as a rotation axis.
- the first casing 1001 has a rectangular shape in plan view, and is connected to the second casing 1002 via the third casing 1003 by a hinge portion 1004 so as to be rotatable.
- the first housing 1001 has a circuit board 1011 inside. Further, the first housing 1001 has a display surface (not shown) that is exposed to the outside and displays an image with the portable wireless device 1000 opened.
- the second housing 1002 has a rectangular shape in plan view, and is connected to the first housing 1001 via the third housing 1003 by a hinge portion 1004 so as to be rotatable.
- the second casing 1002 is exposed to the outside with the portable wireless device 1000 open, and has an operation surface (not shown) that is operated during a call or the like.
- the second housing 1002 has a circuit board 1012 inside.
- the third housing 1003 has a hinge portion 1004.
- the third housing 1003 includes an antenna element 1015, an antenna element 1016, a filter 1017, and a filter 1018.
- the hinge portion 1004 is formed of a conductive material, and is closed from the open state in FIG. 10 in which the first housing 1001 and the second housing 1002 are overlapped or not shown.
- the first casing 1001 and the second casing 1002 are placed in the longitudinal direction of the first casing 1001 or the second casing 1002 (up and down in FIG. Are connected via a third housing 1003 so as to be rotatable with respect to each other.
- the hinge portion 1004 is electrically connected to the antenna element 1016 and electrically connected to the ground portion of the circuit board 1012 via the terminal portion 1019.
- the circuit board 1011 has a conductive circuit pattern (not shown) formed on a plane portion and a ground portion (not shown) over substantially the entire surface.
- the circuit board 1011 includes a radio circuit 1013 and a matching circuit 1014 that are grounded to the ground portion.
- the ground portion is formed by printing a ground pattern on the circuit board 1011.
- the circuit board 1012 has a conductive circuit pattern (not shown) formed on a plane portion and a ground portion (not shown) over substantially the entire surface. Further, the circuit board 1012 has a terminal end 1019. For example, the ground portion is formed by printing a ground pattern on the circuit board 1012.
- the radio circuit 1013 is grounded to the ground portion of the circuit board 1011 and is electrically connected to the matching circuit 1014.
- the radio circuit 1013 performs reception processing of a signal received by the antenna or transmission processing of a signal transmitted by the antenna.
- the matching circuit 1014 is electrically connected between the radio circuit 1013 and the antenna element 1015, and matches the impedance between the radio circuit 1013 and the antenna element 1015.
- the antenna element 1015 is electrically connected to the matching circuit 1014. Further, the antenna element 1015 functions as an antenna when fed from the feeding unit 1020. Further, the antenna element 1015 is electrically connected to the antenna element 1016 through the filter 1017. The antenna element 1015 is electrically connected to the hinge portion 1004 through the filter 1018. Further, the antenna element 1015 has an electrical length that resonates in a 2 GHz band, for example.
- the antenna element 1015 is formed by printing a conductive pattern on an insulating substrate, for example.
- the antenna element 1016 includes the antenna element 1015 and the filter 1017, and has an electrical length of approximately a quarter wavelength in, for example, the 800 MHz band. Further, the antenna element 1016 is electrically connected to the antenna element 1015 through the filter 1017.
- the antenna element 1016 is formed by printing a conductive pattern on an insulating substrate, for example.
- the filter 1017 is, for example, a band pass filter, and is configured by a reactance element.
- the filter 1017 is electrically connected between the antenna element 1015 and the antenna element 1016, thereby electrically connecting the antenna element 1015 and the antenna element 1016.
- the filter 1017 has a low impedance in the 800 MHz band and a high impedance in the 2 GHz band, thereby blocking the 2 GHz band. That is, the filter 1017 prevents the antenna element 1016 from functioning as an antenna when the antenna element 1015 resonates in the 2 GHz band.
- the filter 1018 includes a reactance element, and is connected between the antenna element 1015 and the hinge portion 1004.
- the filter 1018 is electrically connected to the antenna element 1015 and is electrically connected to the hinge part 1004, thereby electrically connecting the hinge part 1004 and the antenna element 1015.
- the filter 1018 has a low impedance in the 800 MHz band and a high impedance in the 2 GHz band, thereby blocking the 2 GHz band. That is, the filter 1018 prevents the hinge portion 1004 from functioning as an antenna when the antenna element 1015 resonates in the 2 GHz band.
- the terminal portion 1019 is formed of a reactance element, and electrically connects the ground portion of the circuit board 1012 and the hinge portion 1004.
- the antenna element 1015, the filter 1018, the hinge part 1004, the terminal part 1019, and the ground part of the circuit board 1012 are electrically connected to each other, and the antenna element 1015 is connected. Is fed from the feeding unit 1020.
- the antenna element 1015, the filter 1018, the hinge portion 1004, the termination portion 1019, and the ground portion of the circuit board 1012 have approximately a quarter wavelength at 800 MHz. Functions as an antenna.
- the antenna element 1015, the filter 1017, and the antenna element 1016 are electrically connected to each other, and the antenna element 1015 is fed from the power feeding unit 1020.
- the antenna element 1015, the filter 1017, and the antenna element 1016 function as an antenna of approximately a quarter wavelength at 800 MHz.
- the antenna having a substantially quarter wavelength thus configured resonates in the 800 MHz band, for example.
- the antenna element 1015 functions as an antenna that resonates in the 2 GHz band both in the open state and in the closed state.
- the filter 1017 and the filter 1018 cut off the 2 GHz band
- the electrical connection between the antenna element 1015 and the hinge portion 1004 is cut off, and the electrical connection between the antenna element 1015 and the antenna element 1016 is cut off. Is done.
- the antenna element 1015 resonates in the 2 GHz band
- only the antenna element 1015 functions as an antenna.
- the distance L10 between the antenna element 1015 and the antenna element 1016 and the ground portion of the circuit board 1012 is larger than the distance L11 between the hinge portion 1004 and the ground portion of the circuit board 1012 (L10> L11) (see FIG. 10). ). Further, the distance L12 between the antenna element 1015 and the antenna element 1016 and the ground portion of the circuit board 1011 is made larger than the distance L13 between the hinge portion 1004 and the ground portion of the circuit board 1012 (L12> L13) (not shown). . Thereby, in the portable wireless device 1000, the influence of the ground portion of the circuit board 1011 and the ground portion of the circuit board 1012 on the antenna element 1015 and the antenna element 1016 can be suppressed.
- the antenna element having two resonances away from the ground portion of the circuit board by disposing the antenna element having two resonances away from the ground portion of the circuit board, high antenna performance can be obtained in the closed state of both the 800 MHz band and the 2 GHz band. Can do.
- the ground portion of the circuit board provided in the first housing, the hinge portion, and the circuit provided in the second housing It operates as a dipole antenna that resonates with the ground portion of the substrate in the 800 MHz band, and high antenna performance can be obtained in the open state of the 800 MHz band.
- the 2 GHz band is cut off by a filter so that the hinge part does not resonate in the 2 GHz band, and the antenna element that resonates in the 2 GHz band is arranged away from the ground part of the circuit board, thereby preventing deterioration of the antenna performance in the 2 GHz band. be able to.
- a two-resonance antenna is configured.
- the present invention is not limited to this, and a one-resonance antenna may be configured.
- the antenna element and the hinge part are electrically connected via a filter.
- the present invention is not limited to this, and the antenna element and the hinge part are electrically connected without a filter. You may make it do.
- FIG. 11 is a plan view of portable wireless device 1100 according to Embodiment 5 of the present invention.
- FIG. 11 shows the portable wireless device 1100 in an open state.
- the portable wireless device 1100 has three housings: a first housing 1101, a second housing 1102, and a third housing 1103.
- the first housing 1101, the second housing 1102, and the third housing 1103 are connected to each other so as to be rotatable about a hinge portion 1104 as a rotation axis.
- the first housing 1101 has a rectangular shape in plan view, and is connected to the second housing 1102 via the third housing 1103 by a hinge portion 1104 so as to be rotatable.
- the first housing 1101 has a circuit board 1111 inside. Further, the first housing 1101 has a display surface (not shown) that is exposed to the outside and displays an image with the portable wireless device 1100 opened.
- the second casing 1102 has a rectangular shape in plan view, and is connected to the first casing 1101 via the third casing 1103 by a hinge portion 1104 so as to be rotatable.
- the second casing 1102 is exposed to the outside with the portable wireless device 1100 opened, and has an operation surface (not shown) that is operated during a call or the like.
- the second housing 1102 has a circuit board 1112 inside.
- casing 1103 accommodates the hinge part 1104 in an inside.
- the third housing 1103 houses the antenna element 1115, the antenna element 1116, the filter 1117, and the filter 1118.
- the hinge portion 1104 is formed of a conductive material, and the first housing 1101 and the second housing 1102 are overlapped with each other from the opened state in FIG.
- the first housing 1101 and the second housing 1102 are placed in the longitudinal direction of the first housing 1101 or the second housing 1102 (the top and bottom of FIG. Are connected via a third housing 1103 so as to be rotatable relative to each other.
- the hinge portion 1104 is electrically connected to the antenna element 1116 and electrically connected to the ground portion of the circuit board 1111 via the terminal end portion 1119.
- the circuit board 1111 has a conductive circuit pattern (not shown) formed on a plane portion and a ground portion (not shown) over substantially the entire surface.
- the circuit board 1111 has a termination portion 1119.
- the ground portion is formed by printing a ground pattern on the circuit board 1111.
- the circuit board 1112 has a conductive circuit pattern (not shown) formed on a plane portion and a ground portion (not shown) over substantially the entire surface.
- the circuit board 1112 includes a wireless circuit 1113 and a matching circuit 1114 that are grounded to the ground portion.
- the ground portion is formed by printing a ground pattern on the circuit board 1112.
- the radio circuit 1113 performs reception processing of signals received by the antenna or transmission processing of signals transmitted by the antenna.
- the matching circuit 1114 is connected between the radio circuit 1113 and the antenna element 1115, and matches the impedance between the antenna element 1115 and the radio circuit 1113.
- the antenna element 1115 is electrically connected to the matching circuit 1114. Further, the antenna element 1115 functions as an antenna when fed from the feeding unit 1120. The antenna element 1115 is electrically connected to the antenna element 1116 through the filter 1117. The antenna element 1115 is electrically connected to the hinge portion 1104 through the filter 1118. The antenna element 1115 has an electrical length that resonates in the 2 GHz band, for example.
- the antenna element 1116 includes the antenna element 1115 and the filter 1117, and has an electrical length of approximately a quarter wavelength in the 800 MHz band, for example. Further, the antenna element 1116 is electrically connected to the antenna element 1115 through the filter 1117.
- the antenna element 1116 is formed, for example, by printing a conductive pattern on an insulating substrate.
- the filter 1117 is, for example, a band-pass filter, and includes a reactance element.
- the filter 1117 is electrically connected between the antenna element 1115 and the antenna element 1116, thereby electrically connecting the antenna element 1115 and the antenna element 1116.
- the filter 1117 has a low impedance in the 800 MHz band and a high impedance in the 2 GHz band, thereby blocking the 2 GHz band. That is, the filter 1117 prevents the antenna element 1116 from functioning as an antenna when the antenna element 1115 resonates in the 2 GHz band.
- the filter 1118 includes a reactance element, and is connected between the antenna element 1115 and the hinge portion 1104.
- the filter 1118 is electrically connected to the antenna element 1115 and electrically connected to the hinge part 1104, thereby electrically connecting the hinge part 1104 and the antenna element 1115.
- the filter 1118 has a low impedance in the 800 MHz band and a high impedance in the 2 GHz band, thereby blocking the 2 GHz band. That is, the filter 1118 prevents the hinge portion 1104 from functioning as an antenna when the antenna element 1115 resonates in the 2 GHz band.
- the termination portion 1119 is configured by a reactance element, and electrically connects the ground portion of the circuit board 1112 and the hinge portion 1104.
- the antenna element 1115, the filter 1118, the hinge 1104, the terminal end 1119, and the ground portion of the circuit board 1111 are electrically connected to each other, and the antenna element 1115 is connected. Is fed from the feeding unit 1120.
- the antenna element 1115, the filter 1118, the hinge portion 1104, the termination portion 1119, and the ground portion of the circuit board 1111 are approximately a quarter wavelength in the 800 MHz band. Functions as an antenna.
- the antenna element 1115, the filter 1117, and the antenna element 1116 are electrically connected to each other, and the antenna element 1115 is fed from the power feeding unit 1120.
- the antenna element 1115, the filter 1117, and the antenna element 1116 function as an antenna having a substantially quarter wavelength at 800 MHz.
- the antenna having a substantially quarter wavelength thus configured resonates in the 800 MHz band, for example.
- the antenna element 1115 functions as an antenna that resonates in the 2 GHz band both in the open state and in the closed state.
- the filter 1117 and the filter 1118 block the 2 GHz band, the electrical connection between the antenna element 1115 and the hinge portion 1104 is blocked, and the electrical connection between the antenna element 1115 and the antenna element 1116 is blocked. Is done.
- the antenna element 1115 resonates in the 2 GHz band, only the antenna element 1115 functions as an antenna.
- the distance L20 between the antenna element 1115 and the antenna element 1116 and the ground portion of the circuit board 1111 is made larger than the distance L21 between the hinge portion 1104 and the ground portion of the circuit board 1111 (L20> L21) (see FIG. 11). Further, the distance L22 between the antenna element 1115 and the antenna element 1116 and the ground portion of the circuit board 1112 is made larger than the distance L23 between the hinge portion 1104 and the ground portion of the circuit board 1112 (L20> L23) (not shown). . Thereby, in the portable wireless device 1100, the influence of the ground portion of the circuit board 1111 and the ground portion of the circuit board 1112 on the antenna element 1115 and the antenna element 1116 can be suppressed.
- the antenna element having two resonances away from the ground portion of the circuit board by disposing the antenna element having two resonances away from the ground portion of the circuit board, high antenna performance can be obtained in the closed state of both the 800 MHz band and the 2 GHz band. Can do.
- the ground portion of the circuit board provided in the first housing, the hinge portion, and the circuit provided in the second housing It operates as a dipole antenna that resonates with the ground portion of the substrate in the 800 MHz band, and high antenna performance can be obtained in the open state of the 800 MHz band.
- the 2 GHz band is cut off by a filter so that the hinge part does not resonate in the 2 GHz band, and the antenna element that resonates in the 2 GHz band is arranged away from the ground part of the circuit board, thereby preventing deterioration of the antenna performance in the 2 GHz band. be able to.
- a two-resonance antenna is configured.
- the present invention is not limited to this, and a one-resonance antenna may be configured.
- the antenna element and the hinge part are electrically connected via a filter.
- the present invention is not limited to this, and the antenna element and the hinge part are electrically connected without a filter. You may make it do.
- the antenna element is formed by printing on the substrate.
- the present invention is not limited to this, and the conductive material is processed without printing on the substrate. It may be formed.
- an antenna having an electrical length of approximately a quarter wavelength is configured.
- the present invention is not limited to this, and an arbitrary electrical length other than a quarter wavelength is used.
- An antenna having the following can be configured.
- the antenna resonates at 800 MHz or 2 GHz.
- the present invention is not limited to this, and the resonance frequency of the antenna can be arbitrarily set by changing the electrical length of the antenna element. Can be set.
- the present invention is particularly suitable for application to a portable wireless device having a case that can be freely opened and closed.
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
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- Details Of Aerials (AREA)
- Telephone Set Structure (AREA)
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Abstract
Description
図1~図3は、本発明の実施の形態1に係る携帯無線機100の平面図である。図1及び図3は、開いた状態の携帯無線機100を示すものであり、図2は、閉じた状態の携帯無線機100を示すものである。
図5は、本発明の実施の形態2に係る携帯無線機500の平面図である。図5は、開いた状態の携帯無線機500を示す。
図7は、本発明の実施の形態3に係る携帯無線機700の平面図である。図7は、開いた状態の携帯無線機700を示す。
図10は、本発明の実施の形態4に係る携帯無線機1000の平面図である。図10は、開いた状態の携帯無線機1000を示す。
図11は、本発明の実施の形態5に係る携帯無線機1100の平面図である。図11は、開いた状態の携帯無線機1100を示す。
Claims (7)
- 第1の回路基板を有する第1の筐体と、
第2の回路基板を有する第2の筐体と、
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とともに、導電性を有するヒンジ部と、
アンテナ素子と、
前記第1の回路基板または前記第2の回路基板に備えられた無線回路と、
前記無線回路に電気的に接続されて前記アンテナ素子に給電する給電部と、を備え、
前記ヒンジ部が前記アンテナ素子を経由して前記給電部に電気的に接続される携帯無線機。 - 前記第1の回路基板または前記第2の回路基板と、前記ヒンジ部とをリアクタンス素子を介して電気的に接続する請求項1記載の携帯無線機。
- 前記アンテナ素子と前記ヒンジ部との間に挿入されるとともに、前記アンテナ素子の共振周波数を遮断するフィルタをさらに備える請求項1記載の携帯無線機。
- 前記アンテナ素子は、第1の共振周波数で共振する第1の素子と、前記第1の素子と電気的に接続されるとともに前記第1の共振周波数よりも高い周波数の第2の共振周波数で共振する第2の素子とを有し、
前記フィルタは、前記第2の素子と前記ヒンジ部との間に挿入されて前記第2の共振周波数を遮断する請求項3記載の携帯無線機。 - 前記アンテナ素子は、前記ヒンジ部及び前記第2回路基板のグランド部と共に第1の共振周波数で共振し、前記第1の共振周波数よりも高い周波数の第2の共振周波数が前記フィルタにより遮断されることにより前記第2の共振周波数で共振する請求項3記載の携帯無線機。
- 前記第1の回路基板及び前記第2の回路基板のグランド部から前記アンテナ素子までの距離が、前記第1の回路基板及び前記第2の回路基板のグランド部から前記ヒンジ部までの距離よりも遠くになるように前記アンテナ素子を配置する請求項1記載の携帯無線機。
- 前記アンテナ素子と前記給電部との間のインピーダンスを整合する整合回路をさらに備え、
前記ヒンジ部は、前記第1の筐体または前記第2の筐体の長手方向に前記第1の筐体と前記第2の筐体とを回動する第1ヒンジ部と、前記長手方向と異なる方向に前記第1の筐体と前記第2の筐体とを回動する第2ヒンジ部とを有し、
前記第1ヒンジ部は、前記アンテナ素子に電気的に接続され、
前記第2ヒンジ部は、前記整合回路のグランド部と電気的に接続される請求項1記載の携帯無線機。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN2009801431238A CN102204010A (zh) | 2008-10-30 | 2009-10-20 | 移动无线设备 |
US13/126,077 US20110205129A1 (en) | 2008-10-30 | 2009-10-20 | Mobile wireless equipment |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2008-280332 | 2008-10-30 | ||
JP2008280332A JP2010109756A (ja) | 2008-10-30 | 2008-10-30 | 携帯無線機 |
Publications (1)
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WO2010050148A1 true WO2010050148A1 (ja) | 2010-05-06 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2009/005500 WO2010050148A1 (ja) | 2008-10-30 | 2009-10-20 | 携帯無線機 |
Country Status (4)
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US (1) | US20110205129A1 (ja) |
JP (1) | JP2010109756A (ja) |
CN (1) | CN102204010A (ja) |
WO (1) | WO2010050148A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2011019214A (ja) * | 2009-06-08 | 2011-01-27 | Panasonic Corp | 携帯無線機 |
WO2011155190A1 (ja) * | 2010-06-08 | 2011-12-15 | パナソニック株式会社 | 携帯無線機 |
CN103326103B (zh) * | 2012-03-23 | 2015-07-29 | 联想(北京)有限公司 | 具有内嵌式天线的电子设备 |
CN108024445B (zh) * | 2017-11-30 | 2020-03-20 | 珠海市魅族科技有限公司 | 柔性电子设备 |
CN108039568B (zh) * | 2017-11-30 | 2020-03-20 | 珠海市魅族科技有限公司 | 柔性电子设备 |
US11290143B1 (en) * | 2021-03-17 | 2022-03-29 | Softronics, Ltd. | Personal electronic device EMP protective enclosure |
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JP2005198062A (ja) * | 2004-01-08 | 2005-07-21 | Matsushita Electric Ind Co Ltd | 折り畳み式携帯電話装置 |
JP2006067133A (ja) * | 2004-08-25 | 2006-03-09 | Matsushita Electric Ind Co Ltd | 折り畳み式携帯無線機 |
JP2006157787A (ja) * | 2004-12-01 | 2006-06-15 | Matsushita Electric Ind Co Ltd | 折畳式携帯無線装置 |
JP2006166225A (ja) * | 2004-12-09 | 2006-06-22 | Matsushita Electric Ind Co Ltd | 折畳式携帯無線装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US7420511B2 (en) * | 2002-11-18 | 2008-09-02 | Yokowo Co., Ltd. | Antenna for a plurality of bands |
JP4199697B2 (ja) * | 2004-05-31 | 2008-12-17 | パナソニック株式会社 | 携帯無線機 |
EP1739785A4 (en) * | 2004-10-28 | 2007-10-10 | Matsushita Electric Ind Co Ltd | FOLDABLE PORTABLE RADIO |
-
2008
- 2008-10-30 JP JP2008280332A patent/JP2010109756A/ja not_active Withdrawn
-
2009
- 2009-10-20 WO PCT/JP2009/005500 patent/WO2010050148A1/ja active Application Filing
- 2009-10-20 CN CN2009801431238A patent/CN102204010A/zh active Pending
- 2009-10-20 US US13/126,077 patent/US20110205129A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2005198062A (ja) * | 2004-01-08 | 2005-07-21 | Matsushita Electric Ind Co Ltd | 折り畳み式携帯電話装置 |
JP2006067133A (ja) * | 2004-08-25 | 2006-03-09 | Matsushita Electric Ind Co Ltd | 折り畳み式携帯無線機 |
JP2006157787A (ja) * | 2004-12-01 | 2006-06-15 | Matsushita Electric Ind Co Ltd | 折畳式携帯無線装置 |
JP2006166225A (ja) * | 2004-12-09 | 2006-06-22 | Matsushita Electric Ind Co Ltd | 折畳式携帯無線装置 |
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JP2010109756A (ja) | 2010-05-13 |
US20110205129A1 (en) | 2011-08-25 |
CN102204010A (zh) | 2011-09-28 |
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