JP2011151735A - Radio communication device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a radio communication device capable of improving receiving sensitivity of an antenna device without damaging the design. <P>SOLUTION: A radio communication device 100 with an appearance form modeling a human character has a body 110 and an arm 120R. The body 110 has an appearance form corresponding to a body of the human character. The arm 120R extends from the body 110, has an appearance form corresponding to an arm of the human character, and is configured to function as at least part of an antenna device for receiving or transmitting a radio wave. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a wireless communication device having an antenna device.

  Wireless communication devices such as television broadcast receivers and wireless LAN slave units have antenna devices for receiving / transmitting radio waves. The antenna device is configured to resonate with radio waves in a specific frequency band. If the antenna device is the same type, it is known that the larger the size, the better the reception sensitivity.

  In recent years, the provision of wireless communication devices with improved design has been studied (see Patent Document 1). The wireless communication device described in Patent Literature 1 includes a housing having an appearance shape of a doll, and an antenna device arranged in the housing.

JP-A-11-226270 (FIG. 10)

  The wireless communication device described in Patent Document 1 has a configuration in which an antenna device is disposed in a housing, and has the following problems.

  Specifically, there is a problem that it is difficult to improve reception sensitivity because the space in the housing is limited and the size of the antenna device is limited. On the other hand, when trying to increase the size of the antenna device, there is a problem that the shape of the housing must be changed and the designability is impaired.

  Accordingly, an object of the present invention is to provide a wireless communication device that can improve the reception sensitivity of an antenna device without impairing the design.

  In order to solve the above-described problems, the present invention has the following features. First, a first feature of the present invention is a wireless communication device (wireless communication device 100) that includes an antenna device and has an external shape imitating a prototype design, and includes a first portion (for example, a trunk) of the prototype design. And a main body part (for example, the body part 110) having an external shape corresponding to the above, and an external shape corresponding to the second part (for example, an arm) of the original design, extending from the main body part, and at least a part thereof from the conductor The extension part (for example, arm part 120R) which comprises, The said extension part comprises at least one part of the said antenna apparatus.

  According to the first feature, the extending portion having an external shape corresponding to the original design is configured to function as at least a part of the antenna device. Thereby, since the external shape corresponding to the original design can be positively utilized as the antenna device, the size of the antenna device can be increased without impairing the design, and the reception sensitivity of the antenna device can be improved.

  The second feature of the present invention is related to the first feature of the present invention, and is characterized in that substantially the entire extension portion is made of a conductor, and the extension portion is integrally formed by casting. .

  According to the 2nd characteristic, the size of an antenna apparatus can be enlarged, without impairing design property by making the substantially whole extension part which has an external appearance corresponding to an original design into a conductor.

  In addition, in order to manufacture the wireless communication device described in Patent Document 1, a process of manufacturing a housing, a process of manufacturing an antenna apparatus, and a process of incorporating the antenna apparatus in the housing are necessary. There is a problem that the number of processes is large.

  On the other hand, in the second feature, by integrally forming the extending portion by casting, the process of manufacturing the housing and the process of incorporating the antenna device in the housing can be eliminated, and the manufacturing process is simplified. it can.

  A third feature of the present invention relates to the first feature of the present invention, wherein each of the extending portions includes a signal line (a signal line 125a, a signal line 126a, or a signal line 127a) made of a conductor and a ground line (ground). Line 125c, ground line 126c, or ground line 127c) and a separator (separator 125b, separator 126b, or separator 127b) made of a dielectric material and provided between the signal line and the ground line. The gist is to provide.

  According to the third feature, since the extending portion having the external shape corresponding to the original design can be configured to function as a coaxial line or a distributed constant circuit of the antenna device, the antenna can be obtained without impairing the design. The receiving sensitivity of the device can be improved.

  A fourth feature of the present invention relates to any one of the first to third features of the present invention, and has an external shape corresponding to the third portion of the original design and is detachable from the extending portion. An element (antenna element 150), and the extension portion has an exposed portion (exposed portion 122a) from which a conductor is exposed. The antenna element is connected to the exposed portion, and a part of the antenna device is provided. The gist is to configure.

  According to the fourth feature, the antenna element having the external shape corresponding to the original design constitutes a part of the antenna device, whereby the external shape corresponding to the original design can be actively used as the antenna device. Further, when not in use, the antenna element can be removed, and damage to the antenna element can be prevented. Further, in order to support radios of different frequency bands, any of a plurality of types of antenna elements having different sizes and appearance designs can be used.

  A fifth feature of the present invention relates to any one of the first to fourth features of the present invention, and is summarized in that the extension portion is configured separately from the main body portion.

  According to the 5th characteristic, by forming an extension part separately from a main-body part, the process of an extension part becomes easy and it can contribute to improving the designability.

  A sixth feature of the present invention relates to the fifth feature of the present invention, and is summarized in that the extension portion is configured to be rotatable with respect to the main body portion.

  According to the sixth feature, the extension portion is configured to be rotatable with respect to the main body portion, so that the user can adjust the angle of the extension portion, and the reception sensitivity can be improved.

  A seventh feature of the present invention relates to any one of the first to sixth features of the present invention, and is summarized in that the original design is a design having a portion corresponding to a human face.

  According to the seventh feature, by configuring a wireless communication device having an external shape imitating a design having a portion corresponding to a human face, it is possible to give a user friendliness to the wireless communication device.

  ADVANTAGE OF THE INVENTION According to this invention, the radio | wireless communication apparatus which can improve the receiving sensitivity of an antenna apparatus, without impairing design property can be provided.

1 is a perspective view of a wireless communication device according to a first embodiment of the present invention. It is a front view of the radio | wireless communication apparatus which concerns on 1st Embodiment of this invention. 1 is a side view of a wireless communication device according to a first embodiment of the present invention. 1 is a side view of a wireless communication device according to a first embodiment of the present invention. It is a perspective view of a base of a body part concerning the 1st embodiment of the present invention, and a leg. Fig.6 (a) is a perspective view of a contactor, FIG.6 (b) is a front view of the base to which the contactor was attached. It is a perspective view in the state where a body part, an arm part, and an antenna element concerning a 1st embodiment of the present invention were separated. It is sectional drawing of the arm part which follows the AA line of FIG. It is a perspective view of the radio | wireless communication apparatus which concerns on this example of a change of 1st Embodiment of this invention. It is a figure which shows the structural example 1 of the arm part which concerns on 2nd Embodiment of this invention. FIG. 11A is a partially enlarged cross-sectional view of a body portion according to the second embodiment of the present invention, and FIG. 11B is a perspective view of a leg portion according to the second embodiment of the present invention. . It is a figure which shows the structural example 2 of the arm part which concerns on 2nd Embodiment of this invention. It is a figure which shows the structural example 3 of the arm part which concerns on 2nd Embodiment of this invention.

  Next, a first embodiment, a second embodiment, and other embodiments of the present invention will be described with reference to the drawings. In the description of the drawings in the following embodiments, the same or similar parts are denoted by the same or similar reference numerals.

(1) First Embodiment Hereinafter, (1.1) an overall configuration of a wireless communication device, (1.2) a detailed configuration of a trunk portion and a leg, (1. 3) Detailed configuration of arms and antenna elements, (1.4) effects of the first embodiment, and (1.5) modified examples of the first embodiment will be described in this order.

(1.1) Overall Configuration of Wireless Communication Device First, the overall configuration of the wireless communication device 100 according to the first embodiment will be described with reference to FIGS. FIG. 1 is a perspective view of a wireless communication device 100 according to the first embodiment. FIG. 2 is a front view of the wireless communication device 100 according to the first embodiment. 3 and 4 are side views of the wireless communication device 100 according to the first embodiment.

  As shown in FIGS. 1 to 3, the wireless communication device 100 has an external shape imitating a humanoid character. In the first embodiment, the wireless communication device 100 is configured as a television broadcast receiver that receives television broadcast waves.

  The wireless communication device 100 corresponds to a torso portion 110 having an appearance corresponding to the torso of a humanoid character, arm portions 120R and 120L having an appearance to correspond to an arm of the humanoid character, and a leg of the humanoid character. A leg portion 130 having an appearance shape, a face portion 140 having an appearance shape corresponding to the face of a humanoid character, and an antenna element 150 having an appearance shape corresponding to an accessory of the humanoid character.

  In the first embodiment, the body part 110 corresponds to a main body part having an appearance corresponding to the first part (body) of the original design (human character). The arm portion 120R corresponds to an extending portion having an appearance shape corresponding to the second portion (arm) of the original design (human character).

  As shown in FIG. 1, the body portion 110 is configured in a two-divided manner, and includes a base portion 110 a and a front surface portion 110 b. The base part 110a and the front part 110b are made of resin, for example, and the surfaces thereof are painted. As shown in FIGS. 2 and 3, a metal contact 111 is provided inside the body portion 110.

  The arm portion 120 </ b> R has an external shape corresponding to the right arm of the humanoid character, and extends from the upper right side of the body portion 110. The arm portion 120R is configured separately from the body portion 110, and is configured to be rotatable with respect to the body portion 110 about a rotation axis in the left-right direction. The arm portion 120R is made of a conductor. In the first embodiment, the arm portion 120R is made of a metal material such as aluminum die cast or zinc die cast, and the surface thereof is painted.

  The arm portion 120 </ b> L extends from the upper left side of the body portion 110. The arm portion 120R is configured separately from the body portion 110, and is configured to be rotatable with respect to the body portion 110 about a rotation axis in the left-right direction. The arm portion 120L is made of, for example, resin, and the surface thereof is painted.

  The leg part 130 is attached to the trunk part 110 below the trunk part 110. The leg 130 is configured to be rotatable about a rotation axis in the left-right direction (see FIGS. 3 and 4). In the first embodiment, a communication circuit for transmitting and receiving signals to and from the host device (not shown) of the wireless communication device 100 is incorporated inside the leg portion 130.

  In the first embodiment, the communication circuit includes a connector 131 that is inserted into a host device such as a PC, as shown in FIG. The connector 131 is configured according to the USB standard, for example. The leg 130 is held in a state of being rotated to the front side of the body 110 when being inserted into the host device.

  The face part 140 is attached to the body part 110 on the upper side of the body part 110. The face 140 is configured to be rotatable about a vertical rotation axis (see FIG. 5). The face 140 has portions corresponding to the eyes, nose, and mouth of a humanoid character. The face 140 is made of, for example, resin, and the surface thereof is painted.

  The antenna element 150 is configured to be attachable to the distal end portion of the arm portion 120R. The antenna element 150 is made of a conductor, and the surface thereof is painted.

  The arm 120R and the antenna element 150 are electrically connected to constitute an antenna device that resonates with a radio wave in a specific frequency band (a television broadcast wave in the first embodiment). In the first embodiment, the arm portion 120R and the antenna element 150 constitute an L-shaped antenna having an L-shape when viewed from the side, as shown in FIG. The L-shaped antenna functions as a radiator.

  The antenna device including the arm portion 120R and the antenna element 150 is electrically connected to a communication circuit provided on the leg portion 130 via a contact 111 provided on the body portion 110. The communication circuit performs amplification, down-conversion, demodulation, and the like of the television broadcast wave received by the antenna device, and supplies a signal obtained as a result to the host device via the connector 131.

(1.2) Detailed Configuration of Body Unit and Leg Next, the configuration of the body unit 110 and the leg unit 130 will be mainly described with reference to FIGS. 5 and 6. FIG. 5 is a perspective view of the wireless communication device 100 according to the base portion 110a of the body portion 110. FIG. 6A is a perspective view of the contact 111, and FIG. 6B is a front view of the base 110a to which the contact 111 is attached.

  As shown in FIG. 5, the right side 113 </ b> R of the base 110 a has a notch 116 </ b> R that engages with the conductive protrusion 121 of the arm 120 </ b> R, and an opening 114 </ b> R through which the protrusion 132 of the leg 130 is inserted. Is formed. The left side portion 113L of the base portion 110a is configured similarly to the right side portion 113R.

  Partition walls 115 and 116 are provided inside the right side 113R and the left side 113L. A contact 111 shown in FIG. 6A is arranged between the right side 113R and the partition walls 115 and 116. As shown in FIG. 6B, the contact 111 is held by the right side 113 </ b> R and the partition walls 115 and 116. A contact surface 111 a that comes into contact with the protruding portion 121 of the arm portion 120 </ b> R is provided on the top of the contact 111. An opening 111b through which the protruding portion 132 of the leg portion 130 is inserted is formed in the lower portion of the contact 111. As shown in FIG. 5B, a conductive contact portion 133 is provided around the protruding portion 132 of the leg portion 130, and the contact portion 133 is in contact with the lower portion of the contact 111.

(1.3) Detailed Configuration of Arm and Antenna Element Next, the configuration of the arm 120R and the antenna element 150 will be mainly described with reference to FIGS. FIG. 7 is a perspective view showing a state in which the body 110, the arm 120R, and the antenna element 150 are separated. FIG. 8 is a cross-sectional view of the arm 120 </ b> R along the line AA in FIG. 7.

  As shown in FIG. 7, the conductive protrusion 121 of the arm 120 </ b> R is inserted through the opening formed by the notch provided in each of the base part 110 a and the front part 110 b. A notch-shaped holding portion 122 for holding the antenna element 150 is provided at the distal end portion of the arm portion 120R.

  As shown in FIG. 8, the arm portion 120 </ b> R has a conductor 120 a and a painted portion 120 b on the surface thereof, and an exposed portion 122 a where the conductor 120 a is exposed is provided on the inner wall of the holding portion 122. The exposed portion 122a is formed with a taper female screw to ensure sufficient contact. An exposed portion 153 where the conductor is exposed is provided at the lower portion of the antenna element 150, and a tapered male screw is formed in the exposed portion 153. The tapered male screw increases the area and pressure of the contact surface due to deformation due to elasticity, and lowers the resistance of the contact surface between the exposed portion 122a and the antenna element 150. In addition, you may have the bayonet structure using a normal screw and elastic deformation.

(1.4) Effects of First Embodiment As described above, according to the first embodiment, the arm 120 </ b> R having an external shape corresponding to the humanoid character functions as at least a part of the antenna device. Configured. As a result, the appearance shape corresponding to the human character can be positively utilized as the antenna device, so that the size of the antenna device can be increased without impairing the design, and the reception sensitivity of the antenna device can be improved.

  In the first embodiment, the size of the antenna device can be increased without impairing the design by making substantially the entire arm 120R having the appearance corresponding to the human character a conductor. Moreover, a manufacturing process can be simplified by integrally forming the arm part 120R by casting.

  In the first embodiment, the antenna element 150 having an external shape corresponding to a human character constitutes a part of the antenna device, so that the external shape corresponding to the human character can be actively used as an antenna device. . In addition, when not in use, the antenna element 150 can be removed, and the antenna element 150 can be prevented from being damaged.

  In 1st Embodiment, since the arm part 120R is comprised separately from the trunk | drum 110, the process of the arm part 120R becomes easy and it can contribute to improving the design property. Furthermore, by configuring the arm portion 120R to be rotatable with respect to the body portion 110, the user can adjust the angle of the arm portion 120R, and the reception sensitivity can be improved.

  In the first embodiment, by configuring the wireless communication device 100 having an external shape imitating a design having a portion corresponding to a human face, it is possible to give a user friendliness to the wireless communication device 100.

(1.5) Modification Example of First Embodiment In the first embodiment described above, the wireless communication device 100 is configured to communicate with the host device via the connector 131. However, the wireless communication according to this modification example. The device 100 is configured to wirelessly communicate with the host device.

  FIG. 9 is a perspective view of the wireless communication device 100 according to this modification. In the wireless communication device 100 according to this modification, a circuit board 110c is disposed in the body 110 as shown in FIG. The circuit board 110c includes a circuit (not shown) for performing amplification, down-conversion, demodulation, and the like of a television broadcast wave received by the antenna device configured by the arm portion 120R and the antenna element 150, and wireless communication with the host device. A wireless circuit 110d for performing communication is provided. The wireless circuit 110d performs wireless communication with the host device according to, for example, the Bluetooth standard. A battery 135 for supplying power to each circuit on the circuit board 110c is disposed in the leg portion 130. Other configurations are the same as those in the first embodiment described above.

  According to the wireless communication device 100 according to the present modification example, since the wireless communication device 100 is configured to wirelessly communicate with the host device, the mechanism such as the connector 131 described in the first embodiment can be eliminated, and the original design can be changed. Since it can be reproduced faithfully, the design of the wireless communication device 100 can be further improved.

(2) Second Embodiment In the second embodiment, another configuration example of the arm portion 120R will be described.

  10, 12 and 13 are perspective views of an arm 120R according to the second embodiment. FIG. 11 is a diagram illustrating a configuration of the body part 110 and the leg part 130 according to the second embodiment.

  Specifically, FIG. 10 shows a configuration example 1 of the arm portion 120R according to the second embodiment, FIG. 12 shows a configuration example 2 of the arm portion 120R according to the second embodiment, and FIG. 3 shows a configuration example 3 of the arm part 120R according to the second embodiment.

(2.1) Configuration example 1
As shown in FIG. 10, the arm portion 120R according to the configuration example 1 includes a signal line 125a and a ground line 125c each made of a conductor, and a separator 125b provided between the signal line 125a and the ground line 125c. In addition, in FIG. 10, illustration of the coating of the surface of the arm part 120R is abbreviate | omitted.

  In the configuration example 1, the signal line 125a is located at the center of the arm portion 120R, the separator 125b surrounds the outside of the signal line 125a, and the ground line 125c surrounds the outside of the separator 125b. As described above, the arm portion 120R according to the configuration example 1 functions as a coaxial line of the antenna device.

  The grounding line 125 c is electrically connected to a grounding part provided on the body part 110. The separator 125b is made of a dielectric and has a function of matching the feeding impedance of the antenna element 150 and the impedance of the signal line 125a.

  The holding unit 122 is provided with an exposed portion where only the signal line 125a or both the signal line 125a and the ground line 125c are exposed. The antenna element 150 is attached to the exposed portion. The shape of the joint portion between the holding portion 122 and the antenna element 150 is the same as that in the first embodiment described above.

  FIG. 11A is a partially enlarged cross-sectional view of the body portion 110 according to the second embodiment of the present invention, and FIG. 11B is a perspective view of the leg portion 130 according to the second embodiment of the present invention. It is.

  As shown in FIGS. 10 and 11A, a part 125 d of the ground line 125 c constituting the protruding portion 121 of the arm part 120 </ b> R is in contact with one contactor 111 </ b> B provided on the body part 110. Further, a part 125e of the signal line 125a constituting the protruding portion 121 of the arm part 120R is in contact with the other contactor 111A provided on the body part 110. As shown in FIG. 11 (b), the lower end of the contact 111 </ b> B is in contact with the contact part 133 </ b> B provided on the leg part 130. The lower end of the contact 111 </ b> A is in contact with a contact portion 133 </ b> A provided on the leg portion 130.

  However, the configuration is not limited to the configuration in which the pair of contacts 111A and 111B as shown in FIG.

(2.2) Configuration example 2
As shown in FIG. 12, the arm portion 120R according to the configuration example 2 includes a signal line 126a and a ground line 126c each made of a conductor, and a separator 126b provided between the signal line 126a and the ground line 126c. In addition, in FIG. 12, illustration of the coating of the surface of the arm part 120R is abbreviate | omitted.

  In the configuration example 2, the signal line 126a and the separator 126b are provided in the groove formed in the ground line 126c. That is, the arm portion 120R according to the configuration example 2 is configured as a stripline coaxial line.

  The ground line 126c is electrically connected to a ground part provided in the body part 110. The separator 126b is made of a dielectric and has a function of matching the feeding impedance of the antenna element 150 and the impedance of the signal line 126a.

  The holding unit 122 is provided with an exposed portion where only the signal line 126a or both the signal line 126a and the ground line 126c are exposed. The antenna element 150 is attached to the exposed portion. The shape of the joint portion between the holding portion 122 and the antenna element 150 is the same as that in the first embodiment described above.

  The body part 110 and the leg part 130 may have the same configuration as in FIG. 11, or a structure in which a coaxial cable is provided in the body part 110.

(2.3) Configuration example 3
As shown in FIG. 13, the arm portion 120R according to the configuration example 3 includes a signal line 127a and a ground line 127c each made of a conductor, and a separator 127b provided between the signal line 127a and the ground line 127c. In FIG. 13, illustration of the coating of the surface of the arm 120R is omitted.

  In the configuration example 3, a signal line 127a having a bent pattern and a separator 127b are provided in a groove formed in the ground line 127c. That is, the arm part 120R according to the configuration example 2 is configured as a distributed constant circuit.

  The ground line 127 c is electrically connected to a ground part provided in the body part 110. The separator 127b is made of a dielectric and has a function of matching the feeding impedance of the antenna element 150 and the impedance of the signal line 127a.

  In the holding unit 122, an exposed portion is provided in which only the signal line 127a or both the signal line 127a and the ground line 127c are exposed. The antenna element 150 is attached to the exposed portion. The shape of the joint portion between the holding portion 122 and the antenna element 150 is the same as that in the first embodiment described above.

  The body part 110 and the leg part 130 may have the same configuration as in FIG. 11, or a structure in which a coaxial cable is provided in the body part 110.

(2.4) Effects of the Second Embodiment According to the second embodiment, the arm 120R having an external shape corresponding to the humanoid character is configured to function as a coaxial line or a distributed constant circuit of the antenna device. Therefore, the receiving sensitivity of the antenna device can be improved without impairing the design.

(3) Other Embodiments As described above, the present invention has been described according to the embodiment. However, it should not be understood that the description and drawings constituting a part of this disclosure limit the present invention. From this disclosure, various alternative embodiments, examples and operational techniques will be apparent to those skilled in the art.

  In the first embodiment and the second embodiment described above, the antenna device is configured by the antenna element 150 and the arm portion 120R. However, even if the antenna element 150 is not required and the antenna device is configured by only the arm portion 120R. Good.

  In each of the above-described embodiments, the arm portion 120R is configured to function as at least a part of an antenna device for receiving radio waves.

  However, the present invention is not limited to reception of radio waves and can also be applied to transmission of radio waves. For example, the wireless communication device 100 can be configured as a wireless LAN slave device that transmits and receives radio waves.

  Further, instead of the arm portion 120R, the face portion 140 may be configured to function as at least a part of the antenna device. In this case, the face part 140 corresponds to the extension part.

  In each of the above-described embodiments, the wireless communication device 100 has an external shape imitating a humanoid character, but is not limited to a humanoid character, and has an external shape imitating a plant or a building. Also good.

  In each embodiment mentioned above, 120 R of arm parts were comprised so that it might function as a radiator, a coaxial line, or a distributed constant circuit. However, the configuration is not limited thereto, and the arm 120R may be configured to function as a director, a reflector, a patch antenna, or the like. Moreover, you may form a part of arm part 120R with a metamaterial.

  Thus, it should be understood that the present invention includes various embodiments and the like not described herein. Therefore, the present invention is limited only by the invention specifying matters in the scope of claims reasonable from this disclosure.

  DESCRIPTION OF SYMBOLS 100 ... Wireless communication apparatus, 110 ... Body part, 110a ... Base part, 110b ... Front part, 110c ... Circuit board, 110d ... Wireless circuit, 111 ... Contact, 111a ... Contact surface, 111b ... Opening part, 113L ... Left part, 113R ... right side, 114R ... opening, 115,116 ... partition wall, 120R, 120L ... arm part, 120a ... conductor, 120b ... painted part, 121 ... projection part, 122 ... holding part, 122a ... exposed part, 125a- 127a ... Signal line, 125b-127b ... Isolator, 125c-127c ... Ground line, 130 ... Leg, 131 ... Connector, 132 ... Protrusion, 133 ... Contact part, 135 ... Battery, 140 ... Face, 150 ... Antenna Element, 153 ... exposed part

Claims (7)

A wireless communication device having an antenna device and having an external shape imitating a prototype design,
A main body having an external shape corresponding to the first portion of the original design;
Having an external shape corresponding to the second part of the original design, and extending from the main body part, and at least a part of the extending part made of a conductor.
The wireless communication device, wherein the extension part constitutes at least a part of the antenna device. Substantially the entire extension part is made of a conductor,
The wireless communication device according to claim 1, wherein the extending portion is integrally formed by casting. The extension part is
A signal line and a ground line each made of a conductor;
The wireless communication device according to claim 1, further comprising: a separator made of a dielectric and provided between the signal line and the ground line. It has an external shape corresponding to the third part of the original design, further comprising an antenna element that can be attached to and detached from the extension part,
The extending portion has an exposed portion where the conductor is exposed,
The said antenna element is connected to the said exposed part, and comprises a part of said antenna apparatus, The radio | wireless communication apparatus as described in any one of Claims 1-3 characterized by the above-mentioned.   The wireless communication device according to claim 1, wherein the extension part is configured separately from the main body part.   The wireless communication device according to claim 5, wherein the extension portion is configured to be rotatable with respect to the main body portion.   The wireless communication device according to claim 1, wherein the prototype design is a design having a portion corresponding to a human face.

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