JP6081870B2 - Wireless communication equipment - Google Patents

Description

  The present invention relates to a wireless communication device having a short-range wireless communication function.

  In recent years, a non-contact IC card equipped with an IC chip and an antenna can be built in, or an IC chip and an antenna can be mounted separately, and wireless communication can be performed without contact with an external reader / writer using electromagnetic waves from the antenna. Wireless communication terminals such as mobile phones are widespread. Such a mobile phone can be used as a boarding ticket over a ticket gate of a transportation facility, or used in an electronic money system in a large store or the like. Therefore, in such a mobile phone, it is desirable that the external reader / writer and the antenna on the mobile phone side be close to each other when in use, so the antenna portion is fixed to the wall side inside the casing of the mobile phone. It is common (for example, patent document 1).

JP 2013-5069 A

  Here, since the antenna portion is fixed to the wall side inside the casing of the mobile phone, in order to receive power supply from the circuit board fixed inside the casing of the mobile phone, the antenna portion is separately connected to the circuit board. A mechanism to take is necessary. For example, the power supply terminal that is electrically connected to the circuit board is provided through the housing, and the power supply terminal and the power-supplied terminal provided in the antenna part come into contact with each other, so that the antenna part supplies power from the circuit board. Can receive.

  However, in such a mechanism, a process for providing a power supply terminal and an increase in cost occur in the manufacturing process of the mobile phone.

  Therefore, it is an object of the present invention to provide a wireless communication device in which a short-range wireless communication antenna can receive power supply more easily and a short-range wireless communication antenna mounted on the wireless communication device.

  The wireless communication device of the present invention includes a case member having an opening, a loop antenna and a power-supplied terminal that are arranged on the case member, and at least a part of the region is formed of a flexible substrate. And a part of a region including the power-supplied terminal on the substrate is inserted into the opening.

  Preferably, the sheet further includes a sheet for covering the opening, and the sheet covers the opening by adhering to a part of the substrate around the opening.

  Preferably, the substrate around the opening includes a portion where a loop antenna is not provided.

  Suitably, the said to-be-powered terminal contacts the power feeding terminal located inside a case member.

  Preferably, the opening is filled with an adhesive.

  Preferably, the case member is provided with an adhesive injection port and an adhesive reaching port sandwiching an opening, the adhesive injection port and the adhesive reaching port communicate with the opening, and the adhesive injection When the adhesive is injected from the inlet, the opening and the adhesive arrival port are filled.

  The antenna for wireless communication of the present invention is arranged in a portable electronic device.

  It is possible to provide a wireless communication device in which the short-range wireless communication antenna can receive power supply more easily and a short-range wireless communication antenna mounted on the wireless communication device.

FIG. 1 is a front view of a mobile phone 100 according to the first embodiment of the present invention. FIG. 2 is a perspective view of the rear case 20 of the mobile phone 100 and the battery cover 10 covering the rear case 20 in the first embodiment of the present invention. FIG. 3 is a perspective view of the rear case 20 of the mobile phone 100 according to the first embodiment of the present invention. FIG. 4 is a perspective view showing the Felica antenna 30 and other members housed in the antenna housing portion 21 of the mobile phone 100 in FIG. FIG. 5 is a front view of the Felica antenna 30 of the mobile phone 1 according to the first embodiment of the present invention. 6 is a cross-sectional view of the rear case 20 taken along the line AA in FIG. FIG. 7: shows the inner surface side perspective view of the rear case 60 in the 2nd Embodiment of this invention, and the expansion perspective view vicinity of the opening part 61 (before adhesive agent 70 filling). FIG. 8 shows an inner perspective view of the rear case 60 and an enlarged perspective view near the opening 61 (after filling with the adhesive 70) in the second embodiment of the present invention.

  A mobile phone (portable electronic device) that is an embodiment of the present invention will be described below.

  First, a first embodiment of the present invention will be described below.

  FIG. 1 is a front view of a mobile phone 100 according to the first embodiment of the present invention.

  As shown in FIG. 1, a mobile phone 100 includes, for example, a front case, a rear case 20, a display unit, a cover glass that mainly covers the display unit, a key set, an incidental case, a battery cover 10, a Felica (registered trademark) chip, and A Felica antenna 30 is provided. Although not shown, the mobile phone 100 may include a battery, an incoming lamp, a proximity sensor, an in-camera, a power key, a volume key, a speaker, an antenna, an infrared port, an out-camera, and the like.

  FIG. 2 is a perspective view of the rear case 20 of the mobile phone 100 and the battery cover 10 covering the rear case 20 in the first embodiment of the present invention.

  As shown in FIG. 2, the rear case 20 of the mobile phone 100 is usually covered with a battery cover 10.

  The battery cover 10 has a hole in part. Accordingly, the side key, the extendable antenna, the LED light cover, the camera lens cover, and the like provided on the rear case 20 are not covered by the battery cover 10 and are exposed.

  The battery cover 10 is fixed to the rear case 20 in a state of covering the rear case 20 by providing a claw portion (not shown) and engaging the claw portion with a receiving portion (not shown) of the rear case 20.

  FIG. 3 is a perspective view of the rear case 20 of the mobile phone 100 according to the first embodiment of the present invention.

  FIG. 4 is a perspective view showing the Felica antenna 30 and other members housed in the antenna housing portion 21 of the mobile phone 100 in FIG.

  In the rear case 20, the Felica antenna 30 is disposed in the antenna housing portion 21.

  The rear case 20 is provided with an opening 22 for drawing a part of the FPC 21 including the fed terminal 31b of the Felica antenna 30 from the outside to the inside of the rear case.

  Accordingly, after a part of the FPC 21 including the power-supplied terminal 31 b is inserted into the opening 22, the waterproof sheet 40 is bonded to a part of the FPC 31 around the opening 20 so as to cover the opening 22. Thus, the opening 22 is sealed from the outer surface side of the rear case 20.

  Thereby, water or the like can be prevented from entering the rear case 20 from the outside of the rear case 20 through the opening 22.

  FIG. 5 is a front view of the Felica antenna 30 of the mobile phone 1 according to the first embodiment of the present invention.

  The Felica antenna 30 is composed of an FPC 31 (flexible substrate) for Felica and has a flexible property.

  The FPC 31 has a portion (thick frame portion) that surrounds the periphery of the opening 22 when disposed on the rear case 20.

  As a result, the waterproof sheet 40 can be bonded to the FPC 31.

  A loop antenna is not provided in a part (shaded part) of the part (thick line part) surrounding the periphery of the opening 22.

  6 is a cross-sectional view of the rear case 20 taken along the line AA in FIG.

  The portion of the FPC 31 where the power-supplied terminal 31b is provided is inserted from the outside to the inside of the rear case 20 through the opening 22, and the inserted portion is rear on the surface opposite to the surface where the terminal is provided. By being adhered to the inner surface of the case 20, the case 20 is fixed to the rear case 20. As a result, the power-supplied terminal 31 b is exposed at a predetermined position inside the rear case 20. Then, the power supply terminal 50 is brought into contact with the exposed power-supplied terminal 31 b to receive power from the power supply terminal 50.

  This makes it possible to supply power to the Felica antenna 30.

  Next, a second embodiment of the present invention will be described below.

  First, in the first embodiment, by adhering the sheet 40 to the FPC 31 disposed on the periphery of the opening 22 and sealing the opening 22, water or the like enters the inner surface of the rear case 20 through the opening 22. To prevent.

  On the other hand, in the second embodiment, the waterproofness is secured by using the adhesive 70 instead of securing the waterproofness by the sheet 40.

  Details thereof will be described below.

  FIG. 7: shows the inner surface side perspective view of the rear case 60 in the 2nd Embodiment of this invention, and the expansion perspective view vicinity of the opening part 61 (before adhesive agent 70 filling).

  The rear case 60 has an opening 61, an adhesive injection port 62, and an adhesive arrival port 63 on the inner surface side.

  The opening 61 is configured to have a smaller opening area than the first embodiment.

  The adhesive injection port 62 is provided in communication with the opening 61 and is provided on the right-hand side of the central portion of the opening 61.

  The adhesive reaching port 63 is provided in communication with the opening 61, is provided on the left hand side of the center of the opening 61, and is provided with a depth of about half of the opening 61.

  When the adhesive 70 is injected into the adhesive injection port 62, since the adhesive injection port 62 and the adhesive arrival port 63 communicate with the opening 61, the injected adhesive 70 is added to the adhesive injection port 62. To the adhesive arrival port 63 through the opening 61.

  When the adhesive 70 reaches the adhesive arrival port 63, the opening 61 is filled with a sufficient amount of adhesive.

  Therefore, it can be confirmed that the adhesive 70 is sufficiently filled in the opening 61 by confirming that the adhesive 70 is filled in the adhesive reaching port 63.

  In the second embodiment, the outer surface side of the rear case 60 has the same configuration as that of the first example. Further, unlike the first embodiment, the Felica antenna (not shown) arranged on the outer surface side of the rear case 60 does not have a portion where the loop antenna is not provided in the FPC.

  FIG. 8 shows an inner perspective view of the rear case 60 and an enlarged perspective view near the opening 61 (after filling with the adhesive 70) in the second embodiment of the present invention.

  The adhesive 70 injected from the adhesive injection port 62 is filled into the opening 61, the adhesive injection port 62, and the adhesive arrival port 63. Accordingly, the cellular phone 100 can prevent dust, moisture, and the like from entering the inner surface side of the rear case 60 through the opening 62.

  Since the opening 61 is sealed by a sheet 80 (not shown) on the outer surface side of the rear case 60, even if the opening portion 61 is filled with the adhesive 70, it does not leak to the outer surface side of the rear case 60.

  According to the present embodiment, it is possible to improve the waterproof property of the entire mobile phone while simplifying the structure for supplying power to the Felica antenna in the mobile phone as much as possible.

  In addition, the device of the present invention is not limited to the mobile phone 1 in the embodiment, but is a portable personal computer, a digital camera, a media player, an electronic book reader, a navigator, a portable electronic device such as a game machine, or a communication specialized for a communication function. It may be a stationary electronic device such as a dedicated module, a desktop personal computer, or a television receiver.

  As mentioned above, although embodiment of this invention was described, this invention is not restricted to embodiment mentioned above. Further, the effects described in the embodiments of the present invention only list the most preferable effects resulting from the present invention, and the effects of the present invention are not limited to those described in the above-described embodiments. Absent.

DESCRIPTION OF SYMBOLS 10 Battery cover 20 Rear case 21 Antenna accommodating part 22 Opening part 30 Felica antenna 31 FPC
31a Loop antenna 31b Power-supplied terminal 31c Bent portion 31d Loop antenna non-arrangement region 32 Double-sided tape 33 Double-sided tape 40 Sheet 50 Feeding terminal 60 Rear case 61 Opening portion 62 Adhesive injection port 63 Adhesive arrival port 70 Adhesive 80 Sheet 100 Carrying Telephone

Claims (2)

A case member having an opening;
An antenna for short-range wireless communication that is disposed on the case member, includes a loop antenna and a power-supplied terminal, and at least a part of the region is formed of a flexible substrate;
A part of the substrate including the power-supplied terminal is inserted into the opening ,
The case member is provided with an adhesive injection port and an adhesive arrival port sandwiching the opening,
The adhesive injection port and the adhesive arrival port communicate with the opening,
The wireless communication device, when the adhesive is injected from the adhesive injection port, fills the opening and the adhesive arrival port . The wireless communication device according to claim 1 , wherein the power-supplied terminal is in contact with a power supply terminal located inside the case member.

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