JP2001111325A - Antenna device and information communication equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a antenna device and an information communication equipment high in producing efficiency and capable of dealing with the diversification of the size or shape of an antenna. SOLUTION: This antenna device 5 is formed into a loop shape by connecting plural straight conductors 10 and arc-circular conductors 15. In the antenna device 5, the number of combination of the conductors is changed, so that the size or shape of an antenna can easily be changed. The conductors 10 and 15 are respectively provided with connector parts 12a, 12b and 14a, 14b at the both edges so as to be connected with each other. Then, one connected part is provided with a conversion connector 16 so that a flux constituted of the plural conductors can be connected so that one conductor can be formed into a spiral shape, and conductors 17a, and 17b to be connected to an information processing part can be led to the outside part of the loop by the conversion connector 16.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an antenna device for communicating information with an external storage medium such as a wireless card or a wireless tag in a non-contact manner, and an information communication device having the antenna device for performing information processing. .

[0002]

2. Description of the Related Art In recent years, a wireless card in which an information wireless communication function is added to an IC card function and a wireless tag which is attached to various products and which can store information and wirelessly communicate have been put into practical use. And these storage media capable of wireless communication are:
By communicating with an information communication device called an external antenna device, transmission of information to the information communication device, update of stored information, and the like are performed.

The information communication device has a transmitting antenna and a receiving antenna for communicating with the storage medium, and these antennas are usually formed by winding a single conductor in a substantially spiral shape. A coil is formed. In order to obtain good sensitivity, the antenna is designed in various sizes and shapes depending on the environment such as the communication distance with the storage medium and the communication area.

[0004]

In the conventional information communication apparatus as described above, it is necessary to change the size and shape of the antenna in accordance with the use environment such as the communication distance and the communication area. Production had to be carried out, resulting in poor production efficiency.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an antenna device and an information communication device which can cope with various sizes and shapes of antennas and have high production efficiency.

[0006]

In order to achieve the above object, an antenna device and an information communication device according to the present invention are characterized in that the antenna has a plurality of conductors having connector portions at both ends, and the plurality of conductors are provided. The plurality of conductors are arranged in a substantially loop shape by connecting the connector portions of the conductors, and the conductors are connected to the outside of the loop from the connector portions of the conductors at predetermined coupling positions of the plurality of conductors arranged in the substantially loop shape. Is provided. Then, the conductor that has come out of the loop from the derivation unit is connected to the information processing unit of the information communication device.

Accordingly, the antenna device and the information communication device of the present invention form an antenna by connecting a plurality of relatively small conductors, so that the same conductor is changed by changing the number and combination of the conductors to be joined. It can be used for various antennas with different sizes and shapes. That is, the parts can be simplified.

In the antenna device and the information communication device according to the present invention, the plurality of conductors have the same number of the plurality of conductors, respectively, and the plurality of conductors are connected to each other by connecting the connectors. At the same time, in the above-mentioned lead-out part, the plurality of conductors arranged in a substantially loop shape are connected to each other by connecting each of the two conductors to be connected in a state in which each of the plurality of conductors is disconnected one by one. Has the same function as that formed in a spiral shape, and is connected to the information processing unit of the information communication device by guiding the above-described conductors one by one out of the loop.

Thus, the antenna device and the information communication device of the present invention can improve the performance as a spiral antenna in addition to the above-mentioned effects. Further, in the antenna device and the information communication device according to the present invention, the plurality of conductors include a plurality of first conductors having at least approximately the same length and approximately the same curvature, or further have approximately the same length. And a plurality of second conductors having a substantially linear shape.

Thus, the antenna device and the information communication device according to the present invention, in addition to the above-described functions and effects, provide a large and small antenna, a large and small antenna, by freely combining a substantially linear conductor and an arc-shaped conductor having a predetermined curvature. Can be easily formed.

[0011]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a diagram for explaining one embodiment of the antenna device according to the present invention. As shown in FIG. 1, the antenna device 5 is formed in a loop shape by connecting a plurality of linear conductors 10 and a plurality of arc conductors 15 together. The linear conductor 10 includes a conductor portion 11 in which a plurality of conductor wires are bundled, and connector portions 12a and 12b provided at both ends thereof. This connector part 1
2a is connected to the connector portion 12b of the adjacent conductor. In this embodiment, the description is made on the assumption that five conductors are bundled for convenience, but the number of conductors can be appropriately designed from one to several tens.

Similarly, a plurality of (5) arc-shaped conductors 15 are also provided.
And a connector portion 14a, 14b provided at both ends thereof, and the connector portions 14a, 14b are respectively connected to the connector portions 14b, 14a of another arc-shaped conductor 15 or a straight line. It is connected to the connector portions 12b and 12a of the conductor 10 having the shape of a circle.

The antenna device 5 of FIG. 1 has a loop shape by connecting four linear conductors 10 and eight arc-shaped conductors 15 to each other. The size and shape of such an antenna device can be changed by changing the number of these conductors.

For example, by removing the four linear conductors 10 from the antenna device 5 of FIG. 1 and joining them together, a substantially circular small antenna device can be formed. In this case, if the radius of the arc-shaped conductor 15 is, for example, 200 mm and the length of the arc is 157 mm, a substantially circular shape is formed by joining the eight arc-shaped conductors 15 together. The antenna device 5 of FIG.
The addition of four 0 mm linear conductors 10 results in an oval antenna device having a length of 600 mm and a width of 400 mm.

By adding the linear conductor 10 symmetrically (or vertically symmetrically), it is possible to form a substantially oval (or substantially rectangular) antenna device having a different size and shape. .

In the antenna device 5 shown in FIG. 1, a conversion connector 1 described in detail later
6 is provided, and the conversion connector 16
The bundle of five conductors is connected so that one conductor is formed in a spiral shape, and further leads the conductors 17a and 17b for connecting to an information processing unit (not shown) outside the loop. I have.

Here, the state of connection between the connector portions will be described with reference to FIG. In FIG. 2, as an example, a connection state between the linear conductors 10 is shown, and reference numerals corresponding thereto are given. Conducting wire portion 11 composed of five conducting wires
Each of the conductors passes through the respective conductor lines 21 and 22 of the connector portion 12a and the connector portion 12b to be connected, and the conductors of two adjacent conductors 10 are connected one-to-one. The connection method is the same even when the linear conductor 10 and the arc-shaped conductor 15 are connected or the arc-shaped conductors 15 are connected to each other.

FIG. 3 shows a connection state of the conversion connector 16. Conductor portions 13, 1 of the conductors to be connected
3 are the conductors 2 provided on the connector 14b.
3 is connected via a conductive line 24 provided in the connector portion 14a, and the conversion connector 16 is interposed therebetween. The conversion connector 16 is provided with four conductors 24 of the connector 14a, in which one of the five conductors 23 of the connector 14b is removed, and four conductors 24 of the connector 14a. Four conductive lines 16c for connection in a state of being deviated by one path are formed.

The one lead line removed at the connector portion 14b is connected to the lead line 16 of the conversion connector 16.
b, and the conductive line 16b is connected to a conductive line 17b extending outside the loop. As a result, one conductor 13b of the conductor is connected to the conductor 17b via the connector 14b and the conversion connector 16, and is led out of the loop. Similarly, in the other connector section 14 a, one conductive line is connected to the conductive line 1 of the conversion connector 16.
The conductor 13a is connected to the conductor 17a extending outside the loop via 6a. As a result, one conductor 13a of another conductor is connected to the conductor 17a and is led out of the loop.

As described above, the conversion connector 16 shown in FIG. 3 functions as if the five conductors were turned into one continuous conductor and formed in a spiral shape. Further, the conductors 17a, 17 led out of the loop from the conversion connector 16
b corresponds to the start and end of winding of the spiral antenna coil (or vice versa).

FIG. 4 is an exploded view of a connecting portion using the above-described conversion connector 16. As shown in the figure, a convex portion 25 including a conductive line corresponding to five conductive lines is formed in the connector portion 14b, and the convex portion 25 is fitted into the concave portion 28 of the conversion connector 16 to form each of the conductive lines. It is designed to be connected to a terminal. Similarly, the conversion connector 16
Is also formed on the other connector portion 14.
The connection between the conductive lines is made by fitting into the concave portion 26 of FIG.

The convex portion 25 of the connector portion 14b and the concave portion 26 of the connector portion 14a shown in FIG. 4 can be directly engaged with each other.
In the case of interlinking, these are directly linked. Further, the connector portions 12a and 12b of the linear conductor 10 have the same configuration, and the connector portions of the conductors having different shapes have the same structure, so that free joining can be performed. ing.

As is clear from the above-described embodiment, the antenna device of the present invention has a linear conductor 10 of the same shape.
In order to form an antenna by connecting a plurality of arc-shaped conductors 15 having the same shape to each other, it is possible to easily cope with various antennas having different sizes and shapes by changing the number and combination of the conductors to be connected, Mass production effects can be expected by simplifying parts. The antenna can also maintain and improve its performance as a spiral antenna.

An embodiment of an information communication apparatus according to the present invention including the above-described antenna apparatus will be described with reference to FIG. As shown in FIG. 5, the information communication device includes a transmission antenna 31 for transmitting information to a storage medium such as an external wireless card or a wireless tag (not shown), and information transmitted from the storage medium. A receiving antenna 32 for receiving is provided. At least one of the antennas 31 and 32 is formed by the above-described antenna device 5.

The modulated wave of the information received by the receiving antenna 32 is subjected to a predetermined amplification process while removing unnecessary components by a reception unit 34, and further subjected to a demodulation process by a modulation / demodulation circuit 35. The information demodulated here is C
The data is stored in the memory 37 or transferred to an information processing device (not shown) via a PU (Central Processing Unit).

On the other hand, the information transmitted by the transmitting antenna 31 is, for example, the information stored in the memory 37.
After the data is read out by the modulation / demodulation circuit 35 and subjected to modulation processing by the modulation / demodulation circuit 35, the transmission section 33 performs amplification processing. Then, the modulated wave that has undergone such processing is radiated outside by the transmission antenna 31.

In such an information communication apparatus, at least one of the transmitting antenna 31 and the receiving antenna 32
By adopting the antenna device 5 as shown in FIG. 1, the degree of freedom in antenna design is increased and the cost can be suppressed, so that the use range is widened and the economy is excellent. Note that the embodiment of the present invention
The present invention is not limited to the above, and can be appropriately modified or applied without departing from the spirit of the present invention.

[0028]

As described above, according to the present invention,
It is possible to provide an antenna device and an information communication device which can cope with a variety of sizes and shapes of antennas and have high production efficiency.

[Brief description of the drawings]

FIG. 1 shows an antenna device 5 according to one embodiment of the present invention.
FIG.

FIG. 2 is a view for explaining a connection portion of the antenna device 5;

FIG. 3 is a view for explaining a connection portion of the antenna device 5 using a conversion connector 16;

FIG. 4 is an exploded perspective view for explaining a connecting portion of the antenna device 5 using the conversion connector 16;

FIG. 5 is a block diagram showing an information communication device according to one embodiment of the present invention, which can use an antenna device 5;

[Explanation of symbols]

 Reference Signs List 5 antenna device 10 linear conductor 11, 13 conductor 12a, 12b, 14a, 14b connector 15 arc-shaped conductor 16 conversion connector 17a, 17b conductor 16a, 16b, 16c, 21, 22, 23 conductor 31 Transmit antenna 32 Receive antenna

Claims (8)

[Claims] 1. An antenna device for performing information communication in a non-contact manner with the outside, comprising: a plurality of conductors having connector portions at both ends; and connecting the plurality of conductors by connecting the connector portions of the plurality of conductors. In addition to being arranged in a substantially loop shape, a lead portion for guiding a conductor from the connector portion of the conductor to the outside of the loop is provided at a predetermined connection position of the plurality of conductors arranged in the substantially loop shape. Antenna device. 2. The plurality of conductors each have the same number of a plurality of conductors, and the plurality of conductors are connected to each other by the connection of the connector portions, and the plurality of conductors are connected by the lead-out portion. The plurality of conductors arranged in a substantially loop shape were formed in a spiral shape by connecting the plurality of conductors of each of the two conductors in a state in which each of the plurality of conductors was removed one by one. 2. The antenna device according to claim 1, wherein the conductors have the same configuration as that of the antenna device, and the conductors removed one by one are led out of the loop. 3. The antenna device according to claim 2, wherein the plurality of conductors include a plurality of first conductors having at least substantially the same length and substantially the same curvature. 4. The antenna device according to claim 3, wherein the plurality of conductors further include a plurality of second conductors having substantially the same length and having a substantially linear shape. 5. An information communication apparatus for performing information communication without contact with the outside and processing information input from outside and / or information to be output to the outside, wherein a transmitting antenna for transmitting information to the outside and / or an external A receiving antenna that receives information from the receiving antenna, and an information processing unit that performs modulation processing of information transmitted from the transmitting antenna and / or demodulation processing of information received by the receiving antenna and stores the information. The transmitting antenna and / or the receiving antenna has a plurality of conductors having connector portions at both ends, and by connecting the connector portions of the plurality of conductors, the plurality of conductors are arranged in a substantially loop shape. At a predetermined connection position of the plurality of conductors arranged in a substantially loop shape, a lead-out portion for leading a conductor from the connector portion of the conductor to the outside of the loop; An information communication device, wherein a conductor led out of the loop from the unit is connected to the information processing unit. 6. A plurality of conductors forming the transmission antenna and / or the reception antenna each have a same number of a plurality of conductors, and each of the plurality of conductors is connected to each other by connecting the connectors. In the lead-out section, the plurality of conductors arranged in a substantially loop shape are connected by connecting each of the plurality of conductors of the two conductors to be connected in a state in which each of the plurality of conductors is removed one by one. 6. The information communication apparatus according to claim 5, wherein each of the conductors has a shape similar to that of a spiral shape, and the conductors removed one by one are led out of the loop. 7. The information communication apparatus according to claim 6, wherein the plurality of conductors include a plurality of first conductors having at least substantially the same length and substantially the same curvature. 8. The information communication apparatus according to claim 7, wherein said plurality of conductors further include a plurality of second conductors having substantially the same length and having a substantially linear shape.