JP2007088692A - Portable radio device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To miniaturize a device by installing an antenna without specially arranging a space in a hinge, and to respond to multifunctionality. <P>SOLUTION: A first case 11 and a second case 12 are turnably connected by the hinge 13 in a portable radio device 10. The hinge 13 includes a hinge core 20 of a hinge structure constituting a hinge axis. The hinge core 20 is formed to be a substantially cylindrical or columnar shape with a conductive member such as metal, where a first member 21 and a second member 22 are electrically connected for conduction. The first member 21 is mechanically fixed to the second case 12, and the second member 22 is mechanically fixed to the first case 11. The first member 21 of the hinge core 20 is electrically connected to the circuit board 16 of the second case 12 and the second member 22 is not electrically connected to the circuit board 14 of the first case 11, etc. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a portable wireless device including a hinge part that connects a case so that the case can be opened and closed, and more particularly, to an arrangement configuration of an antenna in the case including the hinge part.

  Portable wireless devices such as mobile phones are not limited to telephone functions, e-mail functions, and access functions to the Internet, but also include short-range wireless communication functions, wireless LAN functions, GPS functions, TV viewing functions, IC card payment functions, etc. As the number of functions increases, it is desired to further reduce the size and the integration of the apparatus. As the number of antennas increases, the number of antennas tends to increase. In order to maintain good antenna characteristics while reducing the size of the device, various arrangements are required for antenna arrangement. Become. Also, in recent mobile phones and the like, the mainstream is a structure in which a casing is connected by a rotatable hinge part and can be folded.

  In this type of portable radio device, in order to reduce the size of the device, an antenna provided on the hinge has been proposed. For example, Patent Document 1 discloses a foldable portable wireless terminal in which an antenna is disposed in the vicinity of a hinge portion that connects a second housing to the first housing so that the second housing can be opened and closed. . With this configuration, it is possible to maintain good antenna characteristics regardless of the open / closed state of the housing. Patent Document 2 discloses a portable wireless device in which an antenna is built in a hinge portion on a connection side in which a first housing and a second housing are rotatably connected. With this configuration, the antenna can be sufficiently separated from the user's head and casing, and a good call can be performed without a decrease in sensitivity.

JP 2003-258962 A JP 2001-284934 A

  However, in the configuration of the above-described conventional example, it is possible to save some space while maintaining the performance of the antenna by providing the antenna in the hinge portion, but the space for arranging the antenna element in the hinge portion. Is required. Further, in order to prevent the antenna element from coming into contact with other conductive members, an insulating member is provided between the antenna element and the hinge exterior, or the hinge exterior is formed of an insulating member. There is a need.

  The present invention has been made in view of the above circumstances, and it is possible to provide an antenna in a hinge portion that connects the housing in an openable and closable manner without particularly requiring a space for antenna placement, thereby reducing the size of the device. An object of the present invention is to provide a portable wireless device that can cope with an increase in antennas due to multifunctional functions.

  The portable wireless device of the present invention has a first case, a second case, and a hinge part that rotatably connects the first case and the second case. A hinge structure comprising a conductive member provided on the hinge portion and constituting a hinge shaft; and a power feeding portion for feeding power to the hinge structure, the hinge structures rotating relative to each other The first member and the second member having a substantially cylindrical shape or a substantially columnar shape are connected to each other. The first member is in the second casing, and the second member is in the first casing. Each is mechanically fixed, electrically connected to one of the first housing or the second housing and supplied with power, and the other housing is in an electrically unconnected state.

  Since the present invention uses the hinge structure itself as an antenna, it is possible to provide an antenna at the hinge portion without requiring a space for antenna placement. As a result, it is possible to reduce the size of the apparatus and cope with an increase in the number of antennas due to multifunctional functions, thereby realizing space saving of the antenna.

  Further, the present invention is the above-described portable wireless device, wherein the hinge portion is coupled to both end portions of the end portion of the first casing at the end portions of the second casing, and the respective coupling portions. Has a structure that becomes a rotating part, the hinge structure is arranged on one side of the rotating part, the first member is fixed to the second housing, and the second member is the first member. It shall be fixed to the housing.

  With the above configuration, power can be supplied using a hinge structure disposed in any one of the rotating portions of the hinge portion, and the antenna can function as an antenna.

  Further, the present invention is the portable wireless device described above, wherein a wireless circuit is provided in the second casing, and a power feeding unit of the wireless circuit and the first member of the hinge structure are electrically connected. It shall be.

  With the above configuration, when a wireless circuit is provided in the second housing, power can be supplied by connecting to the first member close to the second housing. Therefore, the hinge structure can be fed to operate as an antenna without using a feeding method that causes loss, such as providing a feeding line such as a coaxial cable.

  Further, the present invention is the portable wireless device described above, wherein a wireless circuit is provided in the first housing, and a power feeding unit of the wireless circuit and the second member of the hinge structure are electrically connected. It shall be.

  With the above configuration, when a wireless circuit is provided in the first housing, power can be supplied by connecting to the second member close to the first housing. Therefore, the hinge structure can be fed to operate as an antenna without using a feeding method that causes loss, such as providing a feeding line such as a coaxial cable. Thus, in the present invention, the wireless circuit is connected to a member closer to the first member or the second member regardless of whether the wireless circuit is disposed in the first housing or the second housing. Power can be supplied.

  Further, the present invention is the portable wireless device according to any one of the above, wherein in the hinge portion, the connection line that electrically connects the first housing and the second housing to one rotating portion. Is inserted, and the hinge structure is disposed on the other rotating part far from the connection line.

  With the above configuration, the hinge structure is arranged in the rotating part far from the connection line inserted through the hinge part, and the function of the hinge structure is used as an antenna so that the connection line is close to the antenna part. Can be removed.

  In addition, the present invention is any one of the portable wireless devices described above, wherein the hinge structure is used as an antenna of a wireless unit having a function other than a mobile phone.

  With the above configuration, for example, by using a hinge structure as an antenna of a wireless unit such as a GPS receiving unit or a short-range wireless communication unit, even when the number of antennas increases due to multifunctional devices, the antenna arrangement space can be reduced. It is possible to reduce the size and space of the apparatus.

  Further, the present invention is the portable wireless device described above, wherein an antenna for a mobile phone is disposed in the hinge portion in the vicinity of the first housing and the second housing. .

  With the above configuration, for example, when functions such as GPS reception and short-range wireless communication and a mobile phone function are provided, the hinge structure is used as an antenna for a GPS receiver and the like, and space saving is achieved. By arranging the antennas close to the first housing and the second housing, the first housing and the second housing can function as part of the antenna.

  According to the present invention, it is possible to provide an antenna in a hinge portion that connects the housings so as to be openable and closable without particularly requiring a space for antenna arrangement. A portable wireless device that can cope with an increase can be provided.

  In this embodiment, a configuration example of a mobile phone having a foldable casing is shown as an example of a portable wireless device.

  1 and 2 are diagrams schematically showing a configuration of a main part of the portable wireless device according to the first embodiment of the present invention, and FIG. 1 is a plan view seen from the front side with the housing opened. FIG. 2 is a side view.

  The portable wireless device 10 includes an upper first casing 11 in FIG. 1 and a lower second casing 12 in FIG. 1, and the first casing 11 and the second casing 12 are Are connected by a hinge part 13 so as to be rotatable. The first housing 11 and the second housing 12 can be opened and closed by the rotation of the hinge portion 13.

  The first housing 11 is provided with a circuit board 14, a receiver (not shown) and the like, and a liquid crystal display unit 15 is disposed on the circuit board 14. The second housing 12 is provided with a circuit board 16, an operation unit using operation keys (not shown), a microphone, and the like. On the circuit board 16, a processing circuit unit such as a processor and a memory (not shown) is arranged together with a radio circuit unit 17 for a mobile phone and a GPS circuit unit 18 which is a radio circuit for GPS reception.

  The hinge part 13 is coupled to both sides of the substantially cylindrical part of the end part 11a of the first casing 11 so that the substantially cylindrical part of the end part 12a of the second casing 12 can be rotated. A hinge core 20, which is a hinge structure that has a structure in which the coupling portion serves as a rotating portion and constitutes a hinge shaft, is disposed inside. The hinge core 20 is formed in a substantially cylindrical shape or a substantially columnar shape by a conductive member such as metal, and the first member 21 on the second housing 12 side and the second member on the first housing 11 side that rotate with respect to each other. 22 are mechanically connected to each other. The hinge core 20 has a mechanism that generates a holding force so that a click feeling can be obtained at a predetermined rotation position, and a mechanism that generates a rotation force that rotates by itself. A casing opening button 23 is provided for opening the two casings by rotating by itself.

  In the hinge core 20, the first member 21 and the second member 22 are electrically connected and conducted, the first member 21 is mechanically fixed to the second housing 12, and the second member 22 is It is mechanically fixed to the first housing 11. That is, the first member 21 of the hinge core 20 and the second casing 12 are integrally formed, the second member 22 of the hinge core 20 and the first casing 11 are integrally configured, and the second member The end portion 11 a of the first housing 11 rotates at the hinge portion 13 with respect to the end portion 12 a of the housing 12.

  The first member 21 of the hinge core 20 is electrically connected to the circuit board 16 of the second housing 12, and the second member 22 of the hinge core 20 is the circuit board 14 of the first housing 11 and the like. The second member 22 is electrically disconnected from the components of the first housing 11 in an electrically unconnected state.

  The first member 21 of the hinge core 20 is connected to the GPS circuit unit 18 provided on one surface of the circuit board 16 through the power supply unit 25, and power is supplied from the GPS circuit unit 18 to the hinge core 20. Thereby, the hinge core 20 functions as an antenna of the GPS circuit unit 18. In this case, the hinge core 20 operates as a monopole antenna. The GPS circuit unit 18 receives a GPS signal from the GPS received and received by the antenna of the hinge core 20 and detects position information of the device itself. By using the detected position information, a device display can be performed on the liquid crystal display unit 15 together with a map.

  A monopole antenna 26 for a mobile phone is disposed at one end of the second housing 12 on the hinge 13 side. The monopole antenna 26 is connected to a mobile phone radio circuit unit 17 provided on the other surface of the circuit board 16 via a power feeding unit 27, and is fed from the radio circuit unit 17 to the monopole antenna 26. In the radio circuit unit 17, modulation and amplification of the transmission signal, demodulation of the reception signal, and the like are performed, and communication signals related to voice communication and data communication are transmitted and received. The monopole antenna 26 emits a transmission signal as a transmission radio wave or receives a reception radio wave as a reception signal. Through this wireless communication, it is possible to perform voice calls, transmission / reception of e-mails, reception and transmission of other content data, and the like.

  FIG. 3 is an exploded perspective view showing a specific configuration example around the hinge portion of the portable wireless device according to the present embodiment.

  At the end of the second housing 12 constituting the hinge portion 13, substantially cylindrical hinge exterior portions 31, 32 are formed at both ends, and a hinge holder 33 is attached between the hinge exterior portions 31, 32. It is done. The substantially cylindrical hinge core 20 is disposed via the hinge holder 33. In addition, the hinge core 20 abuts on an antenna terminal 34 that engages with the hinge holder 33, and is electrically connected to the GPS circuit unit 18 (not shown) by the antenna terminal 34. In this case, since the power is supplied to the hinge core 20 by contact conduction of the antenna terminal 34, the contact is fixed without sliding and the durability of the contact portion is high.

  The hinge core 20 is mechanically fixed so that the first member 21 is fitted into the through hole 35 of the hinge exterior portion 31 and the first member 21 is not rotated with respect to the second housing 12. The Further, the hinge core 20 is inserted through a through hole 37 of a substantially cylindrical hinge exterior portion 36 formed at the end of the first casing 11, and the second member 22 is inserted into the first casing 11 by the hinge guide 38. Mechanically fixed against. In the present embodiment, the hinge core 20 that is a hinge structure constituting the hinge shaft is used as an antenna.

  In the configuration of the present embodiment, the hinge core 20 which is a structure that is the center of the hinge portion 13 is diverted, and the hinge core 20 is fed to function as an antenna, thereby eliminating the need for a dedicated antenna element and reducing the antenna arrangement space. Can be reduced. Further, since the hinge core 20 itself is used as an antenna, the insulation structure and the like can be simplified, and the degree of freedom of arrangement of members in the hinge portion 13 can be improved. That is, by using the hinge core 20 that is originally used as a structural component for the opening / closing operation of the housing as an antenna, the apparatus can be reduced in size, weight, and thickness. For example, in a mobile phone, a planar antenna having a size of about 15 mm square and a thickness of about 4 mm is conventionally provided as a GPS antenna. However, in the present embodiment, this arrangement space can be reduced. Therefore, even when the number of antennas increases with the increase in the number of functions of portable wireless devices, the space for antenna arrangement can be reduced, and further downsizing of the device can be realized.

  Further, since the hinge core 20 is not electrically connected to the components such as the circuit board 14 of the first housing 11, the antenna by the hinge core 20 is attached to the first housing 11 when the housing is opened and closed. It is not affected and functions as an antenna regardless of whether the housing is in an open state or a closed state, and good antenna characteristics can be maintained.

  In the above embodiment, the example in which the hinge core 20 is used as an antenna for GPS has been described. However, the present invention is not limited to this, and the antenna is used as an antenna for a wireless unit for realizing various functions such as an antenna for short-range wireless communication. It is possible. Here, since the frequency of the GPS signal is about 1575 MHz and the length of the hinge core 20 is about 25 mm (about λ / 8), sufficient antenna performance can be secured by matching the radio frequency. It is also possible to match the desired radio frequency by adjusting the length of the hinge core 20 or providing a matching circuit on a circuit board or the like.

  4 and 5 are diagrams schematically showing a configuration of a main part of the portable wireless device according to the second embodiment of the present invention, and FIG. 4 is a plan view seen from the front side with the housing opened. FIG. 5 is a side view. Constituent elements similar to those of the first embodiment described above are denoted by the same reference numerals and description thereof is omitted.

  The portable wireless device 40 of the second embodiment shows a configuration example when the GPS circuit unit 18 is provided in the first housing 11. The 1st housing | casing 11 and the 2nd housing | casing 12 are connected by the hinge part 13 so that opening and closing is possible. The arrangement configuration of the circuit board 14, the liquid crystal display unit 15, the circuit board 16, the wireless circuit unit 17, and the hinge core 20 is the same as that of the first embodiment shown in FIGS.

  In the second embodiment, the second member 22 of the hinge core 20 is electrically connected to the circuit board 14 of the first housing 11, and the first member 21 of the hinge core 20 is a circuit of the second housing 12. The first member 21 is electrically and electromagnetically insulated from the components of the second housing 12 in an electrically unconnected state with the substrate 16 and the like. The second member 22 of the hinge core 20 is connected to the GPS circuit unit 18 provided in the first housing 11 via the power supply unit 25, and power is supplied from the GPS circuit unit 18 to the hinge core 20. Thereby, the hinge core 20 functions as an antenna of the GPS circuit unit 18.

  In the second embodiment, since the GPS circuit unit 18 is provided in the first housing 11, the GPS circuit unit 18 is located near the first housing 11 and rotates in conjunction with the first housing 11. The GPS circuit unit 18 is electrically connected to the second member 22 of the hinge core 20 to supply power. That is, when it is necessary to dispose the GPS circuit unit 18 on the first housing 11 side due to component mounting or the like, the GPS circuit unit 18 provided on the first housing 11 is connected to the first of the hinge core 20. Power is supplied to the two members 22.

  As described above, according to the configuration of the first embodiment and the second embodiment, the circuit connected to the antenna by the hinge core 20 is arranged in either the first casing 11 or the second casing 12. The first member 21 or the second member 22 can be connected to a member closer to the first member 21 or the second member 22 to supply power. Therefore, the hinge core 20 can be fed to operate as an antenna without using a feeding method that causes loss, such as providing a feeding line such as a coaxial cable.

  FIG. 6 is a plan view schematically showing the configuration of the main part of the portable wireless device according to the third embodiment of the present invention. The third embodiment is a modification of the first embodiment described above. Constituent elements similar to those of the first embodiment are denoted by the same reference numerals and description thereof is omitted.

  The portable wireless device 50 according to the third embodiment shows an example of the arrangement configuration of the hinge core 20 with respect to the connection line 53 inserted through the hinge portion 51. Similarly to the first embodiment, the hinge part 51 includes a self-supporting rotation type hinge core 20 on one side and a hinge member 52 that is a second hinge structure that can rotate on the other side. The arrangement configuration of the circuit board 14, the liquid crystal display unit 15, the circuit board 16, the wireless circuit unit 17, and the GPS circuit unit 18 is the same as that of the first embodiment shown in FIGS.

  In the hinge part 51 on the side where the hinge member 52 is provided, a connection line 53 by a circuit pattern of a flexible substrate is inserted, and the first casing 11 and the first housing 11 are connected via the rotatable hinge part 51. The second casing 12 is electrically connected. One end of the connection line 53 is connected to the circuit board 14 of the first casing 11 via the connector 54, and the other end is connected to the circuit board 16 of the second casing 12 via the connector 55.

  In the third embodiment, in the two rotating portions of the hinge portion 51, the rotating portion on the side opposite to the position where the connecting line 53 is disposed, that is, the rotating portion far from the connecting line 53, A hinge core 20 that functions as an antenna is provided, and power is supplied from the GPS circuit unit 18 of the second housing 12. In other words, the hinge core 20 and the connection line 53 are arranged as far as possible, and the hinge core 20 is used as an antenna.

  According to the third embodiment, in the hinge portion 51, the first housing 11 and the second housing 12 are electrically connected to each other, and the rotation away from the connection line 53 that transmits a signal or the like is performed. In addition to the effect of the first embodiment, the influence of the proximity of the connection line 53 to the antenna unit is removed by using the hinge core 20 disposed in the unit and feeding the hinge core 20 to function as an antenna. be able to. In addition, the matching circuit provided in the power supply unit 25 of the GPS circuit unit 18 can also prevent a decrease in gain due to the influence of the proximity of the connection line 53.

  FIG. 7 is a plan view schematically showing the configuration of the main part of the portable wireless device according to the fourth embodiment of the present invention. The fourth embodiment is a modification of the second embodiment described above, and includes the same elements as those of the third embodiment. Constituent elements similar to those in the first to third embodiments are denoted by the same reference numerals and description thereof is omitted.

  Similarly to the third embodiment, the portable wireless device 60 according to the fourth embodiment shows an arrangement configuration example of the hinge core 20 with respect to the connection line 53 inserted through the hinge portion 51. This corresponds to a configuration example in the case where the GPS circuit unit 18 is provided in the first housing 11 as in the embodiment. The hinge portion 51 includes a self-supporting rotation type hinge core 20 on one side and a hinge member 52 that is a second hinge structure that can freely rotate on the other side. The arrangement configuration of the circuit board 14, the liquid crystal display unit 15, the circuit board 16, the wireless circuit unit 17, and the GPS circuit unit 18 is the same as that of the second embodiment shown in FIGS. Moreover, the structure of the hinge part 51 is the same as that of 3rd Embodiment shown in FIG.

  In the fourth embodiment, as in the third embodiment, in the two rotating portions of the hinge portion 51, the rotating portion on the opposite side to the position where the connecting line 53 is disposed, that is, from the connecting wire 53. A hinge core 20 that functions as an antenna is provided in the far-side rotation part. The power is supplied from the GPS circuit unit 18 of the first housing 11.

  According to the fourth embodiment, similarly to the third embodiment, the hinge core 51 is used in the hinge portion 51 disposed in the rotating portion far from the connection line 53, and the hinge core 20 is supplied with power. By functioning as an antenna, in addition to the effect of the first embodiment, the influence of the proximity of the connection line 53 to the antenna unit can be removed. In addition, the matching circuit provided in the power feeding unit 25 of the GPS circuit unit 18 can also prevent a decrease in gain due to the influence of the proximity of the connection line 52.

  FIG. 8 is a plan view schematically showing the configuration of the main part of a portable wireless device according to the fifth embodiment of the present invention. The fifth embodiment is a modification of the above-described second embodiment. Constituent elements similar to those in the first and second embodiments are denoted by the same reference numerals and description thereof is omitted.

  A portable wireless device 70 of the fifth embodiment is a configuration example in which a monopole antenna 71 for a cellular phone is disposed on the hinge portion 13. A monopole antenna 71 made of a rod-shaped metal member or the like is disposed along the longitudinal direction of the hinge portion 13. The monopole antenna 71 is connected to the mobile phone radio circuit unit 17 provided on the circuit board 16 of the second housing 12 via the power feeding unit 27, and feeds power from the radio circuit unit 17 to the monopole antenna 71. Is done.

  Similarly to the second embodiment, the second member 22 of the hinge core 20 disposed in the hinge part 13 is connected to the GPS circuit part 18 provided in the first housing 11 via the power feeding part 25, Power is supplied from the GPS circuit unit 18 to the hinge core 20.

  In each of the above-described embodiments, the hinge core 20 that functions as an antenna is not electrically connected to one of the first housing 11 or the second housing 12 on the opposite side to the power feeding unit and the circuit unit. The antenna is not affected by the open / close state of the housing. In addition to this, in the fifth embodiment, a monopole antenna 71 for a mobile phone is disposed on the hinge portion 13, and the first housing 11 and the second housing 12 are arranged in both housings. Closely arranged. With this configuration, the first casing 11 and the second casing 12 are used as an antenna for a mobile phone, together with the monopole antenna 71, and functions as a part of the antenna.

  As described above, according to the fifth embodiment, the hinge core 20 of the hinge portion 13 is used as an antenna for GPS or the like to reduce the size of the device, and the antenna of the hinge core 20 is affected by the open / close state of the housing. Furthermore, by disposing the monopole antenna 71 between the first casing 11 and the second casing 12, the casing can be used as an antenna for a mobile phone, improving the antenna performance. it can.

  As described above, according to the present embodiment, by using the hinge structure itself constituting the hinge shaft as an antenna and arranging the antenna in the hinge portion, it is possible to reduce the antenna arrangement space and downsize the apparatus. It is possible to reduce the weight and thickness. By providing the antenna with this hinge structure as an antenna for various additional functions such as an antenna for GPS, even when the number of antennas increases with the increase in the number of functions of the device, the space for antenna arrangement can be reduced, Further downsizing of the apparatus can be realized. In addition, since the hinge structure used as an antenna is electrically disconnected from the components of one housing, the antenna is not affected by the housing when the housing is opened and closed. Good antenna characteristics can be maintained in any state.

  According to the present invention, an antenna can be provided in a hinge portion that connects the housings so as to be openable and closable without particularly requiring a space for arranging the antenna. This is useful for portable radio devices and the like having a hinge portion that connects the casing so as to be openable and closable.

It is a figure which shows typically the structure of the principal part of the portable wireless apparatus which concerns on the 1st Embodiment of this invention, and is the top view seen from the front side in the state which opened the housing | casing It is a figure which shows typically the structure of the principal part of the portable radio | wireless machine which concerns on the 1st Embodiment of this invention, and is a side view of FIG. Exploded perspective view showing a specific configuration example around the hinge portion of the portable wireless device according to the present embodiment It is a figure which shows typically the structure of the principal part of the portable wireless apparatus which concerns on the 2nd Embodiment of this invention, and is the top view seen from the front side in the state which opened the housing | casing It is a figure which shows typically the structure of the principal part of the portable wireless apparatus which concerns on the 2nd Embodiment of this invention, and is a side view of FIG. The top view which shows typically the structure of the principal part of the portable wireless apparatus which concerns on the 3rd Embodiment of this invention. The top view which shows typically the structure of the principal part of the portable wireless apparatus which concerns on the 4th Embodiment of this invention. The top view which shows typically the structure of the principal part of the portable wireless apparatus which concerns on the 5th Embodiment of this invention.

Explanation of symbols

10, 40, 50, 60, 70 Portable wireless device 11 First housing 12 Second housing 13, 51 Hinge unit 14, 16 Circuit board 17 Radio circuit unit 18 GPS circuit unit 20 Hinge core 21 First member 22 First Two members 23 Case open button 25, 27 Feeding part 26, 71 Monopole antenna 52 Hinge member 53 Connection line 54, 55 Connector

Claims (7)

A portable wireless device having a first housing, a second housing, and a hinge portion that rotatably connects the first housing and the second housing;
A hinge structure comprising a conductive member provided on the hinge portion and constituting a hinge shaft;
A power feeding unit that feeds power to the hinge structure;
The hinge structure is configured by connecting a substantially cylindrical or substantially columnar first member and a second member that rotate relative to each other, and the first member is connected to the second casing. Each member is mechanically fixed to each of the first housings, electrically connected to one of the first housing or the second housing and supplied with power, and electrically connected to the other housing. A portable radio that is not connected. The portable wireless device according to claim 1,
The hinge portion has a structure in which the end portions of the second housing are coupled to both side portions of the end portion of the first housing, and each coupling portion serves as a rotating portion,
A portable wireless device in which the hinge structure is disposed on one of the rotating portions, the first member is fixed to the second casing, and the second member is fixed to the first casing. The portable wireless device according to claim 2,
A portable wireless device in which a wireless circuit is provided in the second casing, and a power feeding unit of the wireless circuit and the first member of the hinge structure are electrically connected. The portable wireless device according to claim 2,
A portable wireless device in which a wireless circuit is provided in the first casing, and a power feeding unit of the wireless circuit and a second member of the hinge structure are electrically connected. The portable wireless device according to any one of claims 2 to 4,
In the hinge portion, a connecting line for electrically connecting the first housing and the second housing is inserted into one rotating portion, and the other rotating portion far from the connecting line is inserted into the rotating portion. A portable radio having a hinge structure. A portable wireless device according to any one of claims 1 to 5,
The hinge structure is a portable radio used as an antenna of a radio unit having a function other than a cellular phone. The portable wireless device according to claim 6, wherein
A portable wireless device in which an antenna for a mobile phone is disposed in the hinge portion in the vicinity of the first housing and the second housing.

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