JP2002044205A - Portable telephone device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable using various antennas by making an antenna easily detachable. SOLUTION: In the portable telephone device provided with a telephone device body 10 and an antenna 20 which is fixed to the device body 10 and transmits and receives radio waves, the antenna 20 comprises an antenna body 21 formed of conductor, and a holding member 22 which is detachably fixed to the device body10 and holds the antenna body. The antenna 20 can be detached from the telephone device body 10, to which various antennas 20 can be fixed at need. In the telephone device body 10, if necessary, a recess 11 is constituted in which the antenna 20 is so fixed that the outer surface of the antenna and the outer surface of the telephone device body are made flat-topped. By fixing the antenna to the recess 11, the antenna is buried in the flat-topped recess 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable telephone having a built-in antenna, and more particularly to a portable telephone having an antenna which can be freely attached and detached.

[0002]

2. Description of the Related Art Conventionally, as a portable telephone with a built-in antenna, there is a portable telephone disclosed in Japanese Utility Model Laid-Open No. 3-32807, as shown in FIG. This conventional mobile phone 1
Is characterized in that an antenna 4 is provided inside the cover 3 of the telephone case 2. Power is supplied to the antenna 4 from the inside of the telephone case 2 via a feeding point 5. Therefore, according to the conventional mobile phone 1, radio waves are transmitted and received by the antenna 4 attached to the inside of the lid 3.

[0003]

By the way, in the conventional portable telephone 1, the antenna 4 is merely provided fixedly inside the cover 3. Therefore, when the antenna 4 has a failure and it is necessary to replace the antenna 4, it is necessary to open the cover 3 of the mobile phone 1 to expose the inside of the telephone case 2, and the work of replacing the antenna 4 is complicated. There is a problem. Further, there is a problem that the antenna 4 cannot be replaced with an antenna 4 having a different type or a different wiring pattern, and there is no versatility in antenna replacement.

[0004] The present invention has been made in view of such problems, and an object of the present invention is to provide a portable telephone that can easily attach and detach an antenna and can use various antennas.

[0005]

Means for Solving the Problems The technical means of the present invention for solving such a problem is a portable telephone having a telephone body and an antenna attached to the telephone body and transmitting and receiving radio waves. The antenna unit includes an antenna body made of a conductor, and a holder detachably attached to the telephone body and holding the antenna body. The antenna unit can be removed from the telephone body. Further, various antenna units can be attached to the telephone body as needed. Further, if necessary, the telephone body is provided with a concave portion provided with the antenna so that the outer surface of the antenna is flush with the outer surface of the telephone body. By attaching the antenna portion to the concave portion, the concave portion is filled with the antenna portion, and the concave portion is leveled. A mobile phone in which the recessed portions are flush can have a simple appearance.

Further, if necessary, a fitting projection may be provided on a surface of the antenna unit attached to the telephone body, and the fitting projection may be fitted on a surface of the telephone body attached to the antenna unit. A mating concave portion was provided, and the mating convex portion was fitted into the mating concave portion so as to be attached. The attachment of the antenna unit to the telephone body is performed by a simple mechanism in which the fitting protrusion is fitted into the fitting recess. Furthermore, if necessary, the holding body is formed of a flat resin that embeds and holds the antenna body. Since the holding of the antenna main body is embedded in the holding body, the antenna main body is not exposed to the outside. In addition, if necessary, the above-mentioned holding body was formed using a resin made of a transparent material. The antenna body held by the holder is see-through. Further, the holding body is provided with an opaque frame as required. The outline of the antenna unit can be clarified. Further, an opaque back portion is provided on the back surface of the holding member as necessary. It is possible to prevent the incidental portion between the antenna unit and the telephone body from transmitting. In addition, if necessary, the holding body is provided with a recess in which the antenna body is housed so as to be exposed to the outside. The antenna body is held by the holder so as not to protrude from the telephone body. Further, if necessary, the antenna section is formed by providing a light emitting element that emits light by a current generated in the antenna body when receiving a radio wave. At the time of radio wave reception, the light emission of the light emitting element causes the antenna unit to emit light.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A portable telephone according to an embodiment of the present invention will be described below with reference to the accompanying drawings. Note that the same components as described above are denoted by the same reference numerals and described. As shown in FIGS. 1 to 3, the mobile phone 1 includes a handy phone body 10 and an antenna unit 20 attached to the phone body 10 and transmitting and receiving radio waves. A concave portion 11 is formed in the telephone body 10 so that the antenna section 20 is attached so that the outer surface of the antenna section 20 and the outer surface of the telephone body 10 are flush. The recess 11 has a shape in which a planar antenna unit 20 is attached to the rear surface of the telephone body 10 and is flush. Also, the antenna section 2 is provided in the recess 11.
0, and a fitting recess 12 for attaching
And a connection concave portion 13 which is a connection point of a coaxial line with the connection portion. As shown in FIG. 3B, the connection recess 13 is a connection point of a coaxial line, and is a connection point for transmitting a radio wave received by the antenna unit 20 to the inside of the telephone body 10,
This is a connection point for supplying electric power required for transmitting radio waves from the antenna unit 20 to the antenna unit 20 from the telephone body 10.

The antenna section 20 includes an antenna main body 21 made of a conductor and a holder 22 for holding the antenna main body 21. As the antenna main body 21, a linear or plate-shaped antenna can be used. Here, a linear loop antenna is used. The holding body 22 is formed of a flat plate-shaped transparent resin that embeds and holds the antenna body 21 and the light emitting element 25. An opaque frame portion 23 of the same color as the telephone body 10 is provided on the outer edge of the holder 22, and an opaque back portion 24 of the same color as the telephone body 10 is provided on the back surface of the holder 22. It is integrated as. The light emitting element 25 embedded together with the antenna main body 21 is composed of a plurality of small light emitting diodes and is connected to the antenna main body 21 so as to detect a current flowing through the antenna main body 21 and emit light when the antenna main body 21 receives a radio wave. Have been. The embedding method of the antenna main body 21 is such that even if the antenna main body 21 is embedded with a molten resin, the antenna main body 21 is hardened with a solidified resin.
May be embedded. The holding body 22 is formed in a plate shape,
A plate-like body integrated with the holding body 22, the frame 23 and the back 24 was formed. The integrated plate has the same shape as the recess 11 of the telephone body 10. In addition, concave portions 26 are provided on the left and right outer sides of the frame portion 23 to assist in attaching and detaching the antenna portion 20. The back 24 has a fitting protrusion 27 fitted to the fitting recess 12 and a connection protrusion 28 connected to the connection recess 13.
Is provided. FIG. 3A shows an enlarged fitting cross-sectional view showing a fitting state between the fitting concave portion 12 and the fitting convex portion 27. An engagement recess 12 a having a predetermined shape is formed on the upper surface of the fitting recess 12, and the engagement recess 12 is formed on the fitting protrusion 27.
A locking projection 27a that locks to a is formed. FIG. 3B shows a cross-sectional view of the connection concave portion 13 and the connection convex portion 28, and an enlarged connection cross-sectional view showing a connection state. The connection protrusion 28 is a coaxial line connected to the antenna main body 21, and is inserted into the connection recess 13 for connection.

Therefore, according to the portable telephone according to the present embodiment, the antenna section 20 is attached and detached as follows. (Mounting of the antenna part 20)
7 and the antenna unit 20 is attached to the telephone body 10. As shown in FIG. 3A, the fitting concave portion 12 and the fitting convex portion 27 are provided with a locking concave portion 12a and a locking convex portion 27a that lock the fitted state by fitting. Therefore, the telephone body 10 and the antenna unit 20 are securely locked. At this time, the connection recess 13 and the connection protrusion 28 are connected, and the electrical connection is completed. As a result of the fitting, the incidental portion of the antenna section 20 is flush with the telephone body 10,
Since the mobile phone 1 can maintain a smart shape, operability and handleability are improved. In addition, the antenna unit 20 attached to the telephone body 10 is raised by a frame 23 of the same color as the telephone body 10 so that the transmitted antenna body 21 is visually conspicuous. The antenna unit 20 attached to the telephone body 10 generates a current in the antenna body 21 when receiving an incoming radio wave. When a current flows through the antenna main body 21, the light emitting diode connected to the antenna main body 21 emits light. Since the holder 22 is formed of a transparent resin, the light emitted from the light emitting diode passes through the resin and is emitted to the outside, so that the antenna unit 20 emits light. Since the antenna unit 20 emits light at the time of an incoming call, it is possible to visually notify the user of the mobile phone 1 of the incoming call state. (Removal of Antenna Unit 20) The antenna unit 20 can be easily separated physically and electrically from the telephone body 10 by pulling the concave portion 26 of the antenna unit 20 from the mobile phone 1. Since the inside of the telephone main body 10 is not exposed even when the antenna section 20 is removed, the internal environment is excellent in maintenance.

Next, a mobile phone according to another embodiment of the present invention will be described. FIG. 4 shows an example of the mobile phone 1 similar to that described above except that the form of the antenna unit 20 is different. The antenna unit 20 includes an antenna body 21 made of a conductor and a holder 22 that is detachably attached to the telephone body 10 and holds the antenna body 21. The antenna body 21 can use a linear or plate-like antenna,
Here, a plate-shaped flat antenna was used. Antenna body 2
A light emitting element 25 composed of a plurality of small light emitting diodes is connected to the upper part of the antenna body 21 so as to detect a current flowing through the antenna body 21 and emit light when the antenna body 21 receives a radio wave. I have. The holding body 22
A recess 22a in which the antenna main body 21 is housed so as to be exposed to the outside is provided on the front side, and is formed of the same color resin as the telephone main body 10. The antenna body 21 is fixed to the bottom of the recess 22a. The back side of the holding body 22 has a plate-like body portion which is in contact with the surface of the concave portion 11 of the telephone body 10, a concave portion 26 at the left and right ends to assist in attachment and detachment, and a fitting convex portion 2 fitted to the fitting concave portion 12.
7 and a connection projection 28 to be connected to the connection recess 13. Fitting and connection are performed in the same manner as the above-described antenna unit 20.

Therefore, according to the portable telephone 1 according to the other embodiment, the antenna section 20 is attached and detached in the same manner as the portable telephone 1 described above.

Next, FIG. 5 shows a main part of another form of the antenna section 20. As shown in FIG. 5, unlike the above-described antenna unit 20 in which the antenna body 21 is embedded in the holder 22, the antenna body 21 is attached to the holder 2 without using the light emitting element 25.
The antenna main body 21 can be folded at the base 30 of the antenna main body 21 without being embedded in the antenna body 2, and the antenna main body 21 can be moved into and out of the holder 22. Therefore, a groove 31 for folding the antenna body 21 is provided on the surface of the holder 22. Therefore, the antenna body 21
According to the mobile phone 1 using the antenna unit 20 including the antenna 22 and the holder 22, the reception sensitivity can be adjusted by moving the antenna body 21 into and out of the holder 22.

In the mobile phone 1 according to the above-described embodiment, if a plurality of antenna sections 20 detachable from the phone main body 10 are formed with the antenna main bodies 21 of various shapes, the usage environment of the mobile phone 1 can be improved. And the optimum antenna unit 20 can be selected from the gain of the antenna body 21 and used.

[0014]

As described above, according to the portable telephone of the present invention, the antenna section is provided with the antenna main body made of a conductor, and the holder detachably attached to the telephone main body and holding the antenna main body. With this configuration, the antenna can be easily attached and detached, and various antennas can be used. Also, in the case where the telephone body is provided with a concave portion which is attached so that the outer surface of the antenna portion and the outer surface of the telephone body are flush with each other, the mobile phone is provided with a shape having less unevenness excellent in operability. Can be given. Further, a fitting projection is provided on a surface of the antenna unit attached to the telephone body, a fitting recess is provided on the surface of the telephone body attaching the antenna unit, and a fitting projection is provided on the fitting recess. In the case where the antenna unit is fitted and attached, the antenna unit can be easily attached to the telephone body. Furthermore, when the holding body is formed of a flat resin for holding the antenna main body buried therein, the antenna portion can be formed into a chip that is easy to handle. Further, when the holding body is molded using a transparent resin, the shape of the antenna body embedded in the holding body can be confirmed from the outside. Further, when an opaque frame portion is provided on the holder, the outline of the antenna portion can be clarified to emphasize the design of the antenna body. Furthermore, in the case where an opaque back portion is provided on the back surface of the holder, the antenna portion can be mainly transmitted through by preventing the incidental portion from being transmitted, so that the design of the antenna body is more effectively presented. be able to. Also, the holder
When the antenna body is provided with a recess accommodated so as to be exposed to the outside, the antenna body can be directly confirmed. Further, when the antenna portion is formed by providing a light emitting element which emits light by a current generated in the antenna body when receiving the radio wave, the reception of the radio wave can be recognized by the light emission of the antenna portion.

[Brief description of the drawings]

FIG. 1 is a diagram showing a mobile phone according to an embodiment of the present invention, wherein (a) is a rear perspective view of the mobile phone,
(B) is a rear perspective view of the telephone body.

2A and 2B are diagrams illustrating a mobile phone according to an embodiment of the present invention, wherein FIG. 2A is a front view illustrating an antenna unit,
(B) is a rear view and a side view of the antenna unit.

FIG. 3 is a diagram showing an attached state of a telephone main body and an antenna unit in the mobile telephone according to the embodiment of the present invention;
(A) is a cross-sectional view of the fitting of the fitting concave portion and the fitting convex portion,
(B) is a cross-sectional view of the connection between the connection concave portion and the connection convex portion.

FIG. 4 is a rear perspective view showing a mobile phone according to another embodiment of the present invention.

FIG. 5 is a perspective view showing a main part of an antenna unit according to another embodiment of the mobile phone of the present invention.

FIG. 6 is a diagram showing an example of a conventional mobile phone;
(A) is a rear perspective view of the mobile phone, and (b) is an explanatory view of the inside of the lid.

[Explanation of symbols]

 Reference Signs List 1 mobile phone 2 phone case 3 lid 4 antenna 5 feeding point 10 phone body 11 recess 12 fitting recess 12a locking recess 13 connecting recess 20 antenna section 21 antenna body 22 holding body 22a recess 23 frame 24 back 25 light emitting element 26 concave portion 27 fitting convex portion 27a locking convex portion 28 connecting convex portion 30 root portion 31 groove

Claims (9)

[Claims] 1. A portable telephone comprising a telephone body and an antenna attached to the telephone body for transmitting and receiving radio waves, wherein the antenna is detachably attached to the antenna body made of a conductor and the telephone body. A mobile phone, comprising: a holder for holding the antenna main body. 2. The telephone set according to claim 1, wherein the telephone body is provided with a concave portion in which the antenna portion is attached so that an outer surface of the antenna portion and an outer surface of the telephone body are flush with each other. Mobile phone. 3. A fitting projection is provided on a surface of the antenna unit attached to the telephone body, and a fitting recess is provided on a surface of the telephone body attached to the antenna unit. 3. The mobile phone according to claim 1, wherein the fitting projection is fitted into the fitting recess and attached. 4. The mobile phone according to claim 1, wherein the holding body is formed of a flat resin for holding the antenna main body buried therein. 5. The mobile phone according to claim 4, wherein the holding member is formed using a transparent resin. 6. The mobile phone according to claim 5, wherein an opaque frame portion is provided on the holding body. 7. The mobile phone according to claim 5, wherein an opaque back portion is provided on a back surface of the holding body. 8. The mobile phone according to claim 1, wherein said holding body is provided with a recess in which said antenna body is housed so as to be exposed to the outside. 9. The antenna unit according to claim 5, wherein the antenna unit is provided with a light emitting element that emits light by a current generated in the antenna body when receiving a radio wave.
The described mobile phone.