JP2009118091A - Portable wireless device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a downsized portable wireless device with a good design property while obtaining high antenna performance in two states of vertical opening and horizontal opening, in the portable wireless device having structure which is openable and closable in two vertical and horizontal directions. <P>SOLUTION: The portable wireless device is constituted so that, while being that an upper casing 100 and a lower casing 200 are vertically opened, reinforced sheet metal 101, a linking part 300, a first power supply 202 and a ground pattern on a circuit board 201 operate as a dipole antenna by connecting the first power supply 202 to a wireless circuit 205 by a first high frequency switch 204, and while being that the upper casing 100 and the lower casing 200 are horizontally opened, the reinforced sheet metal 101, a second power supply 206, and the ground pattern on the circuit board 201 operate as the dipole antenna by connecting the second power supply 206 to the wireless circuit 205 by the first high frequency switch 204. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a portable wireless device such as a mobile phone or a PHS (Personal Handy-Phone System), in which two casings can be opened and closed in two vertical and horizontal directions, that is, connected by a hinge portion that can be opened vertically and horizontally. Related to portable radios.

Conventionally, as a portable wireless device having a structure that can be opened and closed in two vertical and horizontal directions as described above, for example, there are those disclosed in Patent Document 1 and Patent Document 2. In the horizontally open state, the display section is horizontally long, which is suitable for digital TV viewing.
JP 2003-060759 A JP 2003-110673 A

  However, conventional portable radio devices having a structure that can be opened and closed in two vertical and horizontal directions protrude outside the housing, such as whip antennas and helical antennas, particularly in the digital TV band (470 to 770 MHz) in order to obtain high antenna performance. Was equipped with the antenna. However, when the portable wireless device is equipped with the above-described whip antenna or helical antenna, there is a problem that the design is poor and the size cannot be reduced.

  In addition, when combining diversity reception or switching diversity reception is performed using a whip antenna or helical antenna, two antennas projecting to the outside of the housing are required, and it is more difficult to reduce the size of the wireless portable device. There was a problem that it would end up.

  The present invention has been made in view of the above points, and in a portable wireless device having a structure that can be opened and closed in two directions, the design is good while obtaining high antenna performance in two states of vertical opening and horizontal opening. An object of the present invention is to provide a portable wireless device that can be miniaturized.

  Also, when using multiple antennas, such as when combining diversity reception or switching diversity reception, for example, an antenna that protrudes outside the housing and a built-in portable wireless device that can ensure high antenna performance An object of the present invention is to provide a portable wireless device that can be configured as a receiving system with an antenna, and thus can be downsized with good design.

  In order to solve the above-described problem, a portable wireless device according to the present invention connects a first housing, a second housing, the first housing, and the second housing so as to be rotatable. A hinge part having a conductive member, a first antenna element provided in the first casing and electrically connected to the conductive member of the hinge part, and provided in the second casing A circuit board having a ground pattern; a radio circuit unit provided on the circuit board; a first switching unit electrically connected to the radio circuit unit; and a conduction of the first switching unit and the hinge unit. A first power feeding unit that electrically connects the first member, and a second power feeding unit that electrically connects the first switching means and the first antenna element. In a state where the short side of the body and the short side of the second casing are opened in a substantially parallel state, the first switching means is the first switching means. By connecting the power feeding unit and the wireless circuit unit, the first antenna element, the hinge unit, the first power feeding unit, and the ground pattern on the circuit board operate as a dipole antenna, In a state where the long side of the first housing and the long side of the second housing are opened in a substantially parallel state, the first switching unit connects the second power feeding unit and the wireless circuit unit. Thus, the first antenna element, the second power feeding unit, and the ground pattern on the circuit board are configured to operate as a dipole antenna.

  According to the above configuration, there is no need for antenna-dedicated parts, and it is possible to reduce the cost as well as to reduce the size of the portable wireless device. Moreover, high antenna performance can be obtained in both the vertically opened state and the horizontally opened state regardless of the opened state of the housing. In addition, the built-in antenna that does not protrude from the housing does not impair the design of the portable wireless device.

  In addition to the above configuration, the portable wireless device according to the present invention further includes power combining means provided on the circuit board, and second switching means provided on the circuit board, and the power combining The means electrically connects the second switching means and the second power feeding unit, the second switching means connects to the first power feeding unit, and the first switching means includes the It is possible to switch between a state in which the first power feeding unit and the wireless circuit unit are connected and a state in which the power combining unit and the wireless circuit unit are connected, and the short side of the first casing and the first side In a state where the short sides of the two cases are opened substantially parallel, the first switching unit connects the first power feeding unit and the radio circuit unit, and the long side of the first case is connected. And the second casing is opened with the long sides thereof being substantially parallel to each other, the second switching means causes the first supply to be performed. And the power synthesizing unit, and the first switching unit connects the power synthesizing unit and the wireless circuit unit, and the power of the first power feeding unit and the second power feeding unit is connected. Is synthesized.

  According to the above configuration, high antenna performance can be obtained both in the vertically open state and in the horizontally open state regardless of the open state of the housing.

  In addition to the above configuration, the portable wireless device according to the present invention further includes power distribution means provided on the circuit board, and second switching means provided on the circuit board, and the power distribution The means electrically connects the second switching means and the second power feeding unit, the second switching means connects to the first power feeding unit, and the first switching means includes the It is possible to switch between a state in which the first power feeding unit and the wireless circuit unit are connected and a state in which the power distribution unit and the wireless circuit unit are connected, and the short side of the first housing and the first side In a state where the short sides of the two cases are opened substantially parallel, the first switching unit connects the first power feeding unit and the radio circuit unit, and the long side of the first case is connected. And the second casing is opened with the long sides thereof being substantially parallel to each other, the second switching means causes the first supply to be performed. And the power distribution means are connected, and the first switching means connects the power distribution means and the wireless circuit section, and the power of the first power supply section and the second power supply section is connected. It is characterized by distributing.

  According to the above configuration, high antenna performance can be obtained both in the vertically open state and in the horizontally open state regardless of the open state of the housing.

  In addition to the above configuration, the portable wireless device according to the present invention further includes power combining / distributing means provided on the circuit board and second switching means provided on the circuit board, The combining / distributing unit electrically connects the second switching unit and the second power feeding unit, the second switching unit connects to the first power feeding unit, and the first switching unit is It is possible to switch between a state in which the first power feeding unit and the wireless circuit unit are connected and a state in which the power distribution and synthesis unit and the wireless circuit unit are connected, and the short side of the first housing In the state where the short sides of the second casing are opened substantially parallel to each other, the first switching unit connects the first power feeding unit and the radio circuit unit, and the first casing In a state where the long side of the second casing and the long side of the second casing are opened in a substantially parallel state, the second switching means The first power supply unit and the power distribution and synthesis unit are connected, and the first switching unit connects the power distribution and synthesis unit and the wireless circuit unit, and the first power supply unit and the power distribution and synthesis unit are connected to each other. The power of the second power feeding unit is configured to be distributed and combined.

  According to the above configuration, high antenna performance can be obtained both in the vertically open state and in the horizontally open state regardless of the open state of the housing.

  In addition to the above-described configuration, the portable wireless device according to the present invention is arranged in the second casing and electrically connects the first antenna element and the circuit. A power combining unit provided on a substrate, wherein the power combining unit electrically connects the second power feeding unit and the third power feeding unit, and the first switching unit includes the first switching unit. It is possible to switch between a state in which the power feeding unit and the wireless circuit unit are connected, and a state in which the power combining unit and the wireless circuit unit are connected, and the short side of the first casing and the second side In a state where the short side of the housing is opened in a substantially parallel state, the first switching unit connects the first power feeding unit and the wireless circuit unit, and the long side of the first housing and the In a state where the long side of the second casing is opened in a substantially parallel state, the first switching unit and the power combining unit Serial connecting the radio circuit unit, and wherein the combining power of the second power supply unit and the third power source.

  According to the above configuration, high antenna performance can be obtained both in the vertically open state and in the horizontally open state regardless of the open state of the housing.

  In addition to the above-described configuration, the portable wireless device according to the present invention is arranged in the second casing and electrically connects the first antenna element and the circuit. A power distribution unit provided on a substrate, wherein the power distribution unit electrically connects the second power supply unit and the third power supply unit, and the first switching unit includes the first power supply unit. It is possible to switch between a state in which the power feeding unit and the wireless circuit unit are connected and a state in which the power distribution unit and the wireless circuit unit are connected, and the short side of the first casing and the second side In a state where the short side of the housing is opened in a substantially parallel state, the first switching unit connects the first power feeding unit and the wireless circuit unit, and the long side of the first housing and the In a state where the long side of the second casing is opened in a substantially parallel state, the first switching unit and the power distribution unit Serial connecting the radio circuit section, characterized by distributing power of the second power supply unit and the third power source.

  According to the above configuration, high antenna performance can be obtained both in the vertically open state and in the horizontally open state regardless of the open state of the housing.

  In addition to the above-described configuration, the portable wireless device according to the present invention is arranged in the second casing and electrically connects the first antenna element and the circuit. A power distribution / combination unit provided on a substrate, wherein the power distribution / combination unit electrically connects the second power supply unit and the third power supply unit, and the first switching unit includes It is possible to switch between a state in which the first power feeding unit and the wireless circuit unit are connected, and a state in which the power distribution and combining unit and the wireless circuit unit are connected, and the short side of the first housing and the In a state in which the short side of the second casing is opened substantially in parallel, the first switching unit connects the first power feeding unit and the radio circuit unit, and the length of the first casing is increased. In a state where the side and the long side of the second casing are opened in a substantially parallel state, the first switching means causes the power It connects the distributing and combining means and the radio circuit portion configured to distribute the synthesis power of the second power supply unit and the third power source.

  According to the above configuration, high antenna performance can be obtained both in the vertically open state and in the horizontally open state regardless of the open state of the housing.

  According to the present invention, in a portable wireless device having a structure that can be opened and closed in two vertical and horizontal directions, high antenna performance is obtained in two states of vertical opening and horizontal opening, the design is good, and the portable wireless device is downsized. I can plan.

  Also, when using multiple antennas, such as when combining diversity reception or switching diversity reception, for example, an antenna that protrudes outside the housing and a built-in portable wireless device that can ensure high antenna performance It is possible to configure a receiving system with an antenna, which makes it possible to improve the design and reduce the size of the wireless portable device.

    DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments for carrying out the invention will be described in detail with reference to the drawings.

(Embodiment 1)
A schematic configuration diagram of a portable wireless device according to the first embodiment of the present invention is shown in FIGS. FIG. 1A is a plan view showing a state in which the portable wireless device according to the present embodiment is opened in the vertical direction, and FIG. It is a right view which shows the open state. FIG. 2 (a) is a left side view showing a state where the portable wireless device according to the present embodiment is opened in the lateral direction, and FIG. 2 (b) shows the portable wireless device according to the present embodiment. FIG. 2C is a plan view showing a state in which the portable wireless device according to the present embodiment is opened in the lateral direction.

  1A, a portable wireless device according to the present embodiment includes an upper housing (first housing) 100, a lower housing (second housing) 200, an upper housing 100, and a lower housing. A connecting portion (hinge portion) 300 for connecting the housing 200 is provided. In this portable wireless device, the upper casing 100 and the lower casing 200 are in a closed state in which the upper casing 100 and the lower casing 200 overlap with each other, and the upper casing 100 and the connecting portion 300 are connected to the lower casing 200 from the closed state with the first rotation shaft 301 as the center. The second rotating shaft 302 from the vertically opened state by rotating integrally, that is, the state in which the short side of the first housing and the short side of the second housing are opened substantially parallel to each other, and the closed state. As a result, the upper casing 100 is rotated sideways with respect to the lower casing 200 and the connecting portion 300, that is, the long side of the first casing and the long side of the second casing are substantially the same. An open state is obtained while being parallel. Note that the upper casing 100 and the lower casing 200 are made of molded resin that is an insulator.

  In FIG. 1A, the connecting portion 300 is configured on the short side of the first casing and the second casing. However, the present invention is not limited to this, and the first casing and the second casing are not limited thereto. You may comprise the connection part 300 in the long side side. In this case, when the upper casing 100 and the connecting portion 300 are integrally rotated with respect to the lower casing 200 around the first rotation shaft 301 from the closed state, the laterally opened state is established. The upper casing 100 is rotated with respect to the lower casing 200 and the connecting portion 300 around the moving shaft 302 to be in a vertically opened state.

  The upper casing 100 is provided with a reinforcing sheet metal 101 made of metal and disposed on almost the entire upper casing in order to ensure the rigidity of the upper casing.

  Further, the upper casing 100 is provided with a display unit 102, for example, an LCD (Liquid Crystal Display) on the surface facing the lower casing 200 in the closed state.

  The lower casing 200 is provided with an operation unit (not shown) having a large number of input keys and function keys on the surface facing the upper casing 100 in the closed state. A circuit board 201 is provided inside the lower housing 200. The circuit board 201 includes a first power feeding unit 202, a matching circuit 203, a first high-frequency switch 204, a wireless circuit unit 205, and a second power feeding unit 206. In addition, a matching circuit 207 is arranged. Further, the matching circuit 203 is electrically connected to the first power feeding unit 202, and the matching circuit 207 is electrically connected to the second power feeding unit 206.

  The connecting portion 300 includes a first rotation shaft 301, a second rotation shaft 302, a first rotation member 303 attached to the lower housing 200, a second rotation member 304, and an upper portion. A third rotating member 305 attached to the housing 100 is provided. The first rotating member 303 and the second rotating member 304 are rotatably connected via the first rotating shaft 301, and the second rotating member 304 and the third rotating member 305 are connected. Are connected via a second rotating shaft 302 so as to be freely rotatable.

  A screw hole for attaching to the upper housing 100 is formed in the right side part (+ Y direction) of the lower side part (−Z direction) of the reinforcing sheet metal 101, and the reinforcing sheet metal 101 is also provided in the third rotating member 305. Screw holes are drilled at positions corresponding to the screw holes drilled. The attachment screw is attached to the screw hole portion of the upper housing 100 through the screw holes of the reinforcing sheet metal 101 and the third rotating member 305. With this configuration, the reinforcing sheet metal 101 and the third rotating member 305 are electrically connected, and the upper casing 100, the third rotating member 305, and the reinforcing sheet metal 101 are mechanically fixed. The third rotating member 305 is rotatably connected to the second rotating member 304 via the second rotating shaft 302. The rotary bearing member 306 is made of metal, is fixed to the second rotary member 304 with a screw, and holds the second rotary shaft 302 in a rotatable manner.

  The second rotating shaft 302 is rotatably attached to the reinforcing metal plate 101 by the third rotating member 305, and the third rotating member 305 is connected to the second rotating shaft 302 via the second rotating shaft 302. The rotary member 304 is rotatably connected.

  The second rotating member 304 has a screw hole for attachment to the connecting portion 300, and the second rotating member 304 and the connecting portion 300 are mechanically fixed by the attaching screw. The second rotating member 304 is rotatably connected to the first rotating member 303 via the first rotating shaft 301.

  The first rotation shaft 301, the second rotation shaft 302, the first rotation member 303, the second rotation member 304, and the third rotation member 305 are made of conductive metal, Electrical conduction at each contact point.

  The left and right ends (± Y direction) of the first rotating member 303 are provided with screw holes for attachment to the lower housing 200, and the first feeding member 202 is also connected to the first rotating member 303. Screw holes are drilled at positions corresponding to the drilled screw holes. The attachment screw is attached to the screw hole portion of the lower housing 200 through the screw hole of the first rotating member 303 and the first power feeding unit 202. With this configuration, the first rotating member 303 and the first power feeding unit 202 are electrically connected, and the lower casing 200, the first power feeding unit 202, and the first rotating member 303 are mechanically connected. Fixed.

  The first power supply unit 202 is connected to the matching circuit 203 on the circuit board 201 disposed inside the lower housing 200 by, for example, spring contact or soldering. The matching circuit 203 is connected to the first high-frequency switch 204 on the circuit board 201, and the first high-frequency switch 204 is connected to the wireless circuit unit 205. The circuit board 201 is a printed board on which circuit components that realize various functions of the portable wireless device are mounted, and a ground pattern (not shown) serving as a ground potential of the circuit is formed on almost the entire surface.

  The second power feeding unit 206 is connected to the matching circuit 207 on the circuit board 201 disposed inside the lower housing 200 by, for example, spring contact or soldering. The matching circuit 207 is connected to the first high frequency switch 204 on the circuit board 201.

  In the vertically opened state, the second power feeding portion 206 and the reinforcing sheet metal 101 are not electrically connected because they are separated from each other. However, in the laterally opened state, the second feeding portion 206 and the reinforcing sheet metal 101 are close to each other. To be electrically connected.

  With the above configuration, in the vertically opened state, the first high-frequency switch 204 is controlled so as to connect the wireless circuit unit 205 and the first matching circuit 203, whereby the reinforcing sheet metal 101, the third rotating member 305, The second rotating shaft 302, the second rotating member 304, the first rotating shaft 301, the first rotating member 303, and the first power feeding unit 202 are used as the first antenna element, and the ground on the circuit board 201 is used. It operates as a dipole antenna using the pattern as the second antenna element.

  In the laterally open state, the first high-frequency switch 204 is controlled to connect the wireless circuit unit 205 and the matching circuit 207, whereby the reinforcing sheet metal 101 and the second power feeding unit 206 are used as the first antenna element, and the circuit board 201 is connected. It operates as a dipole antenna using the upper ground pattern as the second antenna element.

  According to the portable wireless device of the present embodiment as described above, in the portable wireless device having a structure that can be opened and closed in two vertical and horizontal directions by using the reinforcing sheet metal 101 as an antenna element, the vertical opening and the horizontal opening 2 are performed. While achieving high antenna performance in one state, it has good design, does not require antenna-specific parts, and can reduce the size and cost of portable radios. In addition, since the reinforcing sheet metal 101 having a large area that is disposed on almost the entire surface of the upper housing is used as an antenna element, high antenna performance can be obtained at the time of vertical opening and horizontal opening. In addition, the built-in antenna that does not protrude from the housing does not impair the design of the portable wireless device. Also, when using multiple antennas, such as when combining diversity reception or switching diversity reception, for example, an antenna that protrudes outside the housing and a built-in portable wireless device that can ensure high antenna performance A receiving system can be configured with an antenna.

  The reinforcing sheet metal 101 may be formed of a metal frame that forms a part of the upper housing 100.

(Embodiment 2)
FIGS. 3A to 4C are schematic configuration diagrams of a portable wireless device according to the second embodiment of the present invention.

  FIG. 3A is a plan view showing a vertically opened state of the portable wireless device according to the present embodiment, and FIG. 3B is a right side view showing a vertically opened state of the portable wireless device according to the present embodiment. FIG. FIG. 4A is a left side view showing the laterally opened state of the portable wireless device according to the present embodiment, and FIG. 4B is the laterally opened state of the portable wireless device according to the present embodiment. FIG. 4C is a front view showing the laterally opened state of the portable wireless device according to the present embodiment.

  In the second embodiment of the present invention, the same components as those in the first embodiment of the present invention are denoted by the same reference numerals, and the description thereof is omitted.

  As shown in FIG. 3A, the portable wireless device according to the second embodiment of the present invention is the same as the first embodiment of the present invention in that the second high-frequency switch 209, the high-frequency signal synthesizer 208, and the phase shifter. It consists of a circuit to which a device 212 is added.

  The second high frequency switch 209 is configured by, for example, a PIN diode. By using the diode, there is an advantage that the circuit configuration is simple and the mounting area is reduced. Also, the cost can be kept low. The second high-frequency switch 209 has a function of switching between when the high-frequency signal received by the matching circuit 203 is supplied to the high-frequency signal synthesizer 208 and when it is not supplied.

  The high-frequency signal synthesizer 208 is, for example, a harmonic signal synthesizer configured by a Wilkinson circuit, and the high-frequency signal received by the matching circuit 203 and then supplied via the second high-frequency switch 209 and the matching circuit. The high-frequency signal received at 207 and then supplied via the phase shifter 212 has a function of, for example, synthesizing with the same amplitude and the same phase.

  The phase shifter 212 is a circuit configured by, for example, a lumped constant element or a distributed constant element. Specifically, an inductance element may be arranged in series with the signal transmission path. Therefore, the phase shifter 212 has a function of setting the phase of the high-frequency signal received by the matching circuit 207 to a value different from the phase of the high-frequency signal received by the matching circuit 203.

  With the above configuration, in the vertically open state, the matching circuit 203 and the high-frequency signal synthesizer 208 are not connected by the second high-frequency switch 209, and the first high-frequency switch 204 is connected to the matching circuit 203 and the radio circuit unit 205. By controlling to connect the reinforcing sheet metal 101, the third rotating member 305, the second rotating shaft 302, the second rotating member 304, the first rotating shaft 301, and the first rotating member. It operates as a dipole antenna in which the member 303 and the first power feeding unit 202 are the first antenna elements, and the ground pattern on the circuit board 201 is the second antenna element.

  In the laterally open state, the matching circuit 203 and the high-frequency signal synthesizer 208 are connected by the second high-frequency switch 209, and the first high-frequency switch 204 connects the high-frequency signal synthesizer 208 and the radio circuit unit 205. By controlling so that the reinforcing sheet metal 101, the third rotating member 305, the second rotating shaft 302, the second rotating member 304, the first rotating shaft 301, and the first rotating member 303 are controlled. The first feeding unit 202 is the first antenna element, the ground pattern on the circuit board 201 is the second antenna element, the high frequency signal received by the dipole antenna, the reinforcing sheet metal 101 and the second feeding unit 206 are the first antenna elements. A high-frequency signal received by a dipole antenna having a ground pattern on the circuit board 201 as a second antenna element is combined with power in the same phase. It can be supplied to the line circuit portion 205.

  According to the portable wireless device of the present embodiment as described above, in addition to the effects of the first embodiment, the first power feeding unit 202 and the second power feeding unit 206 are excited in the laterally open state. By synthesizing the high-frequency signals in the same phase, the high-frequency current cancelled in the portion where the first antenna element and the second antenna element are close to each other in parallel decreases, and high antenna performance can be obtained.

  In the present embodiment, the high frequency signal is synthesized in the horizontally opened state, but a configuration in which the high frequency signal is synthesized in the vertically opened state may be used.

  The reinforcing sheet metal 101 may be formed of a metal frame that forms a part of the upper housing 100.

  Although the phase shifter 212 and the matching circuit 207 are arranged separately, it is possible to configure the phase shift circuit using a lumped constant. The phase shifter 212 and the matching circuit 207 can be configured as a single unit.

  The phase shifter 212 is disposed between the second power feeding side matching circuit 207 and the high frequency signal synthesizer 208, but is disposed between the first power feeding side matching circuit 203 and the high frequency signal synthesizer 208. May be. Moreover, you may arrange | position to both.

  In the portable radio device described above, the high-frequency signal synthesizer 208 is used for convenience of explanation. However, the present invention is not limited to this, and when used as an antenna corresponding to a system including transmission other than a TV, the high-frequency signal distributor is used. Is placed.

(Embodiment 3)
FIGS. 5A to 6C are schematic configuration diagrams of a portable wireless device according to the third embodiment of the present invention.

  FIG. 5A is a plan view showing a vertically opened state of the portable wireless device according to the present embodiment, and FIG. 5B is a right side view showing a vertically opened state of the portable wireless device according to the present embodiment. FIG. FIG. 6A is a left side view showing the laterally opened state of the portable wireless device according to the present embodiment, and FIG. 6B is the laterally opened state of the portable wireless device according to the present embodiment. FIG. 6C is a front view showing a laterally opened state of the portable wireless device according to the present embodiment.

  In the third embodiment of the present invention, the same components as those in the first embodiment of the present invention are denoted by the same reference numerals, and the description thereof is omitted.

  As shown in FIG. 5 (a), the portable wireless device according to the third embodiment of the present invention is different from the first embodiment of the present invention in that the second high-frequency switch 209, the high-frequency signal synthesizer 208, and the phase shift. It consists of a circuit to which a device 212 is added.

  The second high frequency switch 209 is configured by, for example, SPDT. By using SPDT, high isolation can be ensured for the unconnected circuit side. A function of switching whether the high-frequency signal received by the matching circuit 203 is supplied to the radio circuit unit 205 or the high-frequency signal synthesizer 208 by the second high-frequency switch 209 via the first high-frequency switch 204 have.

  The high-frequency signal synthesizer 208 is, for example, a harmonic signal synthesizer configured by a Wilkinson circuit, and the high-frequency signal received by the matching circuit 203 and then supplied via the second high-frequency switch 209 and the matching circuit. The high-frequency signal received at 207 and then supplied via the phase shifter 212 has a function of synthesizing, for example, the same phase.

  With the above configuration, in the vertically open state, the first high-frequency switch 204 connects the matching circuit 203 and the second high-frequency switch 209, and the second high-frequency switch 209 is wireless with the first high-frequency switch 204. By controlling to connect the circuit unit 205, the reinforcing sheet metal 101, the third rotating member 305, the second rotating shaft 302, the second rotating member 304, the first rotating shaft 301, It operates as a dipole antenna in which the one rotation member 303 and the first power feeding unit 202 are the first antenna elements, and the ground pattern on the circuit board 201 is the second antenna element.

  In the laterally open state, the first high-frequency switch 204 connects the matching circuit 203 and the high-frequency signal synthesizer 208, and the second high-frequency switch 209 connects the high-frequency signal synthesizer 208 and the radio circuit unit 205. By controlling so, the reinforcing sheet metal 101, the third rotating member 305, the second rotating shaft 302, the second rotating member 304, the first rotating shaft 301, the first rotating member 303, and The first feeding unit 202 is a first antenna element, the ground pattern on the circuit board 201 is a second antenna element, the high-frequency signal received by the dipole antenna, the reinforcing sheet metal 101 and the second feeding unit 206 are the first. An antenna element is used, and a high frequency signal received by a dipole antenna having a ground pattern on the circuit board 201 as a second antenna element is combined in power and supplied to a radio circuit. It is possible.

  According to the portable wireless device of the present embodiment as described above, in addition to the effects of the first embodiment, the first power feeding unit 202 and the second power feeding unit 206 are excited in the laterally open state. By synthesizing the high-frequency signals in the same phase, the high-frequency current cancelled in the portion where the first antenna element and the second antenna element are close to each other in parallel decreases, and high antenna performance can be obtained.

  In the present embodiment, the high frequency signal is synthesized in the horizontally opened state, but a configuration in which the high frequency signal is synthesized in the vertically opened state may be used.

  The reinforcing sheet metal 101 may be formed of a metal frame that forms a part of the upper housing 100.

Although the phase shifter 212 and the matching circuit 207 are arranged separately, it is possible to configure the phase shift circuit using a lumped constant. The phase shifter 212 and the matching circuit 207 can be configured as a single unit.
The phase shifter 212 is disposed between the second power feeding side matching circuit 207 and the high frequency signal synthesizer 208, but is disposed between the first power feeding side matching circuit 203 and the high frequency signal synthesizer 208. May be. Moreover, you may arrange | position to both.

  In the portable radio device described above, the high-frequency signal synthesizer 208 is used for convenience of explanation. However, the present invention is not limited to this, and when used as an antenna corresponding to a system including transmission other than a TV, the high-frequency signal distributor is used. Is placed.

(Embodiment 4)
7A to 8C are schematic configuration diagrams of a portable wireless device according to the fourth embodiment of the present invention.

  FIG. 7A is a plan view showing a vertically opened state of the portable wireless device according to the present embodiment, and FIG. 7B is a right side view showing a vertically opened state of the portable wireless device according to the present embodiment. FIG. FIG. 8A is a left side view showing the laterally opened state of the portable wireless device according to the present embodiment, and FIG. 8B is the laterally opened state of the portable wireless device according to the present embodiment. FIG. 8C is a front view showing the laterally opened state of the portable wireless device according to the present embodiment.

  In the fourth embodiment of the present invention, the same components as those in the first embodiment of the present invention are denoted by the same reference numerals, and the description thereof is omitted.

  As shown in FIG. 7A, the portable wireless device according to the fourth embodiment of the present invention is the same as that of the first embodiment of the present invention in that the third power feeding unit 210, the matching circuit 211, and the high-frequency signal synthesizer. 208 and a circuit to which a phase shifter 212 is added.

  The third power supply unit 210 is connected to the matching circuit 211 on the circuit board 201 disposed inside the lower housing 200 by, for example, spring contact or soldering. The matching circuit 211 is connected to a high-frequency signal synthesizer 208 disposed on the circuit board 201.

  By adding the third power feeding part 210, in the laterally open state, the reinforcing sheet metal 101 and the third power feeding part 210 are the first antenna elements, and the ground pattern on the circuit board 201 is the second antenna element. Operates as an antenna. Further, it operates as a dipole antenna in which the reinforcing sheet metal 101 and the second feeding portion 206 are the first antenna elements and the ground pattern on the circuit board 201 is the second antenna element.

  The high-frequency signal synthesizer 208 receives the high-frequency signal received by the matching circuit 211 via the third power supply unit 210 and the matching circuit 207 via the second power supply unit 206, and then supplies it via the phase shifter 212. For example, it has a function of synthesizing the generated high-frequency signal with the same phase.

  The first high-frequency switch 204 feeds the high-frequency signal received by the matching circuit 203 via the first power feeding unit 202 to the wireless circuit unit 205 or the high-frequency signal received by the second power feeding unit 206. The third power feeding unit 210 has a function of switching whether to feed power to the high frequency signal synthesizer 208 that synthesizes power with the high frequency signal received.

  With the above configuration, in the vertically opened state, the first high-frequency switch 204 is controlled so as to connect the matching circuit 203 and the wireless circuit unit 205, whereby the reinforcing sheet metal 101, the third rotating member 305, and the second The rotating shaft 302, the second rotating member 304, the first rotating shaft 301, the first rotating member 303, and the first feeding portion 202 are used as the first antenna element, and the ground pattern on the circuit board 201 is used. Is a second antenna element and operates as a dipole antenna.

  In the side-open state, the first high-frequency switch 204 controls the high-frequency signal synthesizer 208 and the wireless circuit unit 205 to connect, so that the reinforcing sheet metal 101 and the third feeding unit 210 are the first antenna elements. The ground pattern on the circuit board 201 is the second antenna element, the high-frequency signal received by the dipole antenna, the reinforcing sheet metal 101 and the second feeding part 206 are the first antenna elements, and the second ground pattern on the circuit board 201 is used. A radio frequency signal received by a dipole antenna as an antenna element can be combined with power and supplied to the radio circuit unit 205.

  According to the portable wireless device of the present embodiment as described above, in addition to the effect of the first embodiment, the second power feeding unit 206 and the third power feeding unit 210 are excited in the laterally open state. By synthesizing the high-frequency signals in the same phase, the high-frequency current cancelled in the portion where the first antenna element and the second antenna element are close to each other in parallel decreases, and high antenna performance can be obtained.

  In the present embodiment, the high frequency signal is synthesized in the horizontally opened state, but a configuration in which the high frequency signal is synthesized in the vertically opened state may be used.

  Even if the third power feeding unit 210 is arranged close to the second power feeding unit 206 and the central part in the long side direction of the upper housing 100 and the lower housing 200, the third power feeding unit 210 is between the power feeding systems. A certain degree of effect can be obtained if there is a certain interval (at least about one-tenth wavelength or more), but it is desirable to dispose at both ends in the long side direction.

Although the phase shifter 212 and the matching circuit 207 are arranged separately, it is possible to configure the phase shift circuit using a lumped constant. The phase shifter 212 and the matching circuit 207 can be configured as a single unit.
The phase shifter 212 is disposed between the matching circuit 207 on the second power feeding side and the high frequency signal synthesizer 208, but is disposed between the matching circuit 211 on the third power feeding side and the high frequency signal synthesizer 208. May be. Moreover, you may arrange | position to both.

  In the portable radio device described above, the high-frequency signal synthesizer 208 is used for convenience of explanation. However, the present invention is not limited to this, and when used as an antenna corresponding to a system including transmission other than a TV, the high-frequency signal distributor is used. Is placed.

  The present invention provides a portable radio having a structure that can be opened and closed in two directions, and has an effect of reducing the size and improving the design and antenna performance. It can be applied to portable wireless devices such as mobile phones and PHS.

The figure which shows the state which opened the portable wireless apparatus which concerns on Embodiment 1 of this invention to the vertical direction The figure which shows the state which opened the portable radio apparatus which concerns on Embodiment 1 of this invention in the horizontal direction. The figure which shows the state which opened the portable radio apparatus which concerns on Embodiment 2 of this invention to the vertical direction The figure which shows the state which opened the portable radio apparatus which concerns on Embodiment 2 of this invention in the horizontal direction. The figure which shows the state which opened the portable wireless apparatus which concerns on Embodiment 3 of this invention to the vertical direction The figure which shows the state which opened the portable radio apparatus which concerns on Embodiment 3 of this invention in the horizontal direction. The figure which shows the state which opened the portable radio apparatus which concerns on Embodiment 4 of this invention to the vertical direction The figure which shows the state which opened the portable radio apparatus which concerns on Embodiment 4 of this invention in the horizontal direction.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 Upper housing | casing 101 Reinforcement sheet metal 102 Display part 200 Lower housing | casing 201 Circuit board 202 1st electric power feeding part 203 Matching circuit 204 1st high frequency switch 205 Radio | wireless circuit part 206 2nd electric power feeding part 207 Matching circuit 208 High frequency signal synthesizer 209 Second high-frequency switch 210 Third power supply unit 211 Matching circuit 212 Phase shifter 300 Connection unit 301 First rotation shaft 302 Second rotation shaft 303 First rotation member 304 Second rotation member 305 Third rotating member 306 Rotating bearing member

Claims (7)

A first housing;
A second housing;
A hinge portion having a conductive member for rotatably connecting the first housing and the second housing;
A first antenna element provided in the first housing and electrically connected to the conductive member of the hinge portion;
A circuit board provided inside the second housing and having a ground pattern;
A radio circuit unit provided on the circuit board;
First switching means electrically connected to the wireless circuit section;
A first power feeding part for electrically connecting the first switching means and the conductive member of the hinge part;
A second power feeding section for electrically connecting the first switching means and the first antenna element;
In a state where the short side of the first casing and the short side of the second casing are opened in a substantially parallel state, the first switching unit connects the first power feeding unit and the radio circuit unit. Thus, the first antenna element, the hinge part, the first power feeding part, and the ground pattern on the circuit board operate as a dipole antenna,
In a state where the long side of the first casing and the long side of the second casing are opened in a substantially parallel state, the first switching unit connects the second power feeding unit and the radio circuit unit. Thus, the first wireless device and the second power feeding unit and the ground pattern on the circuit board operate as a dipole antenna. The portable wireless device according to claim 1, wherein
Power combining means provided on the circuit board;
Second switching means provided on the circuit board,
The power combining means electrically connects the second switching means and the second power feeding unit,
The second switching means is connected to the first power feeding unit,
The first switching unit can switch a state of connecting the first power feeding unit and the wireless circuit unit and a state of connecting the power combining unit and the wireless circuit unit,
In a state where the short side of the first casing and the short side of the second casing are opened in a substantially parallel state, the first switching unit causes the first power feeding unit and the radio circuit unit to be connected. connection,
In a state where the long side of the first casing and the long side of the second casing are opened in a substantially parallel state, the first switching unit and the power combining unit are switched by the second switching unit. And connecting the power combining unit and the wireless circuit unit by the first switching unit to combine the power of the first power supply unit and the second power supply unit. Portable radio. The portable wireless device according to claim 1, wherein
Power distribution means provided on the circuit board;
Second switching means provided on the circuit board,
The power distribution means electrically connects the second switching means and the second power feeding unit,
The second switching means is connected to the first power feeding unit,
The first switching unit can switch a state of connecting the first power feeding unit and the wireless circuit unit and a state of connecting the power distribution unit and the wireless circuit unit,
In a state where the short side of the first casing and the short side of the second casing are opened in a substantially parallel state, the first power feeding unit and the wireless circuit unit are connected by the first switching unit. connection,
In a state where the long side of the first casing and the long side of the second casing are opened in a substantially parallel state, the first switching unit and the power distribution unit are switched by the second switching unit. Connection is made, and the first switching unit connects the power distribution unit and the wireless circuit unit, and distributes the power of the first power supply unit and the second power supply unit. Portable radio. The portable wireless device according to claim 1, wherein
Power combining and distributing means provided on the circuit board;
Second switching means provided on the circuit board,
The power combining / distributing unit electrically connects the second switching unit and the second feeding unit,
The second switching means is connected to the first power feeding unit,
The first switching unit enables switching between a state in which the first power feeding unit and the wireless circuit unit are connected and a state in which the power distribution combining unit and the wireless circuit unit are connected.
In a state where the short side of the first casing and the short side of the second casing are opened in a substantially parallel state, the first power feeding unit and the wireless circuit unit are connected by the first switching unit. connection,
In a state in which the long side of the first casing and the long side of the second casing are opened in a substantially parallel state, the second power switching unit and the power distribution and synthesis unit are And the first switching means connects the power distribution / combination means and the wireless circuit unit to distribute and combine the power of the first power supply unit and the second power supply unit. A portable radio device. The portable wireless device according to claim 1, wherein
A third power feeding unit that is disposed in the second housing and electrically connects the first antenna element;
Further comprising power combining means provided on the circuit board,
The power combining unit electrically connects the second power feeding unit and the third power feeding unit,
The first switching unit can switch a state of connecting the first power feeding unit and the wireless circuit unit and a state of connecting the power combining unit and the wireless circuit unit,
In a state where the short side of the first casing and the short side of the second casing are opened in a substantially parallel state, the first power feeding unit and the wireless circuit unit are connected by the first switching unit. connection,
In a state where the long side of the first casing and the long side of the second casing are opened in a substantially parallel state, the power combining unit and the radio circuit unit are connected by the first switching unit. A portable wireless device that combines the power of the second power supply unit and the third power supply unit. The portable wireless device according to claim 1, wherein
A third power feeding unit that is disposed in the second housing and electrically connects the first antenna element;
Further comprising power distribution means provided on the circuit board,
The power distribution means electrically connects the second power feeding unit and the third power feeding unit,
The first switching unit can switch a state of connecting the first power feeding unit and the wireless circuit unit and a state of connecting the power distribution unit and the wireless circuit unit,
In a state where the short side of the first casing and the short side of the second casing are opened in a substantially parallel state, the first power feeding unit and the wireless circuit unit are connected by the first switching unit. connection,
In a state where the long side of the first casing and the long side of the second casing are opened in a substantially parallel state, the power distribution unit and the wireless circuit unit are connected by the first switching unit. A portable wireless device that distributes the power of the second power supply unit and the third power supply unit. The portable wireless device according to claim 1, wherein
A third power feeding unit that is disposed in the second housing and electrically connects the first antenna element;
Further comprising power distribution and synthesis means provided on the circuit board,
The power distribution and synthesis means electrically connects the second power feeding unit and the third power feeding unit,
The first switching unit enables switching between a state in which the first power feeding unit and the wireless circuit unit are connected and a state in which the power distribution combining unit and the wireless circuit unit are connected.
In a state where the short side of the first casing and the short side of the second casing are opened in a substantially parallel state, the first power feeding unit and the wireless circuit unit are connected by the first switching unit. connection,
When the long side of the first casing and the long side of the second casing are opened in a substantially parallel state, the first switching unit connects the power distribution and synthesis unit and the radio circuit unit. Then, the portable wireless device is characterized by distributing and synthesizing the power of the second power supply unit and the third power supply unit.

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