JP2000010681A - Pc card device for radio communication - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a PC card device for radio communication capable of easily performing the pull-out operation and housing operation of a movable type antenna and performing excellent communication not only in a pulled-out state but also in a housed state. SOLUTION: The movable type antenna 22 is constituted of first and second radiation conductors 23 and 24. One end part of the first radiation conductor 23 is connected perpendicular to a substrate surface and a power feeding conductor 29 formed on a multi-layer dielectric substrate 26 and the other end of the first radiation conductor 23 constitutes a movable part together with the end part of the second radiation conductor 24. The first radiation conductor 23 and the second radiation conductor 24 are connected through the movable part, the second radiation conductor 24 becomes almost perpendicular to a multi-layer dielectric substrate surface in the pulled-out state and the second radiation conductor 24 becomes almost parallel to the multi-layer dielectric substrate surface in the housed state.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wireless communication PC card that can be inserted into a PC card slot of a notebook personal computer (hereinafter abbreviated to PC unless otherwise specified).

[0002]

2. Description of the Related Art FIG. 9 is an external view showing an example of a conventional PC card device for wireless communication presented in Japanese Patent Application Laid-Open No. Hei 8-27927. In FIG. Reference numeral 3 denotes a movable part for storing the movable antenna 2 in the PC card main body 1 and pulling out the movable antenna 2 from the PC card main body 1, reference numeral 4 denotes a personal computer, and reference numeral 5 denotes a PC card slot of the personal computer 4.

FIG. 10 shows an example of an internal circuit configuration of a wireless communication PC card device for schematically explaining the operation of a conventional wireless communication PC card. Inside the PC card body 1, a PC interface 6 connectable to a connector of a PC card slot 5, a control circuit section 7 for controlling the operation of the entire card, and a radio circuit section for transmitting and receiving radio signals via an antenna 9 8 is built-in. The PC interface 6, the control circuit unit 7, and the wireless circuit unit 8 are generally formed on a multilayer dielectric substrate 10. By connecting the PC interface 6 to the connector of the PC card slot 5, power required for the operation of the control circuit unit 7 and the wireless circuit unit 8 is supplied.

In a conventional wireless communication PC card, when performing wireless communication, the movable antenna 2 is pulled out from the PC card body 1 and used. When carrying or storing without carrying out wireless communication, the movable antenna 2 is stored in the PC card body 1.

[0005]

SUMMARY OF THE INVENTION Conventional PC for wireless communication
Since the card is configured as described above, when communicating via a mobile communication base station equipped with a vertically polarized antenna, such as a mobile phone base station or a PHS base station, the movable antenna 2 is used. It is necessary to make the configuration of the movable part 3 such that it is, for example, an antenna for a portable radio so that it is perpendicular to the ground plane.
There was a problem that the appearance became worse.

Further, since communication cannot be performed in a state where the movable antenna 2 is housed, the movable antenna 2 must be pulled out and used for communication at all times, and the operation becomes troublesome. Was.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and is a movable antenna that can easily be pulled out and stored, and can perform good communication with a mobile communication base station even when stored. It is an object of the present invention to obtain a wireless communication PC card equipped with.

[0008]

According to a first aspect of the present invention, there is provided a wireless communication PC card device in which a wireless circuit portion and a control circuit portion formed on a dielectric substrate are arranged inside a housing. In a wireless communication PC card device including a main body and a movable antenna that can be set to a stored state and a drawn state, the movable antenna includes first and second radiating conductors, and is disposed on a substrate surface. One end of the vertically disposed first radiation conductor is connected to a power supply conductor formed on the dielectric substrate, and the other end of the first radiation conductor is Together with one end of the second radiation conductor, the second radiation conductor constitutes a movable portion rotatable about one end thereof, and the first radiation conductor is formed via the movable portion. And the second radiation conductor are connected, In the extended state of the formula antenna,
The second radiating conductor is substantially perpendicular to the surface of the dielectric substrate, and in the housed state, the second radiating conductor is substantially parallel to the surface of the multilayer dielectric substrate.

In a wireless communication PC card device according to a second aspect of the present invention, a wireless communication PC card main body in which a wireless circuit portion and a control circuit portion formed on a dielectric substrate are arranged inside a housing, a storage state and In a wireless communication PC card device including a movable antenna that can be set to each state of a withdrawn state, the movable antenna includes a first antenna including first and second radiating conductors, and a third antenna and a third antenna. A second antenna composed of a fourth radiation conductor;
And a connecting conductor for connecting the second antenna, wherein the first antenna has one end of the first radiating conductor disposed perpendicularly to a substrate surface and the dielectric substrate having the one end. The other end of the first radiating conductor is connected to an end of the second radiating conductor and the second radiating conductor is centered on one end of the second radiating conductor. To form a first movable portion that is rotatable.
The first radiating conductor and the second radiating conductor are connected via a movable part of the second antenna, and the second antenna includes:
One end of the third radiation conductor, which is arranged perpendicular to the substrate surface, is connected to a ground conductor formed on the dielectric substrate, and the other end of the third radiation conductor Is the fourth
Together with one end of the radiating conductor constitutes a second movable portion that allows the fourth radiating conductor to be rotatable about one end thereof, and the third movable via the second movable portion. The radiation conductor and the fourth radiation conductor are connected, and the connection conductor is configured to connect the open end of the second radiation conductor and the fourth radiation conductor. The rotation axes of the first movable part and the second movable part are parallel to and in the same direction as the surface of the multilayer dielectric substrate, and when the movable antenna is pulled out, the second and fourth radiation conductors Being substantially perpendicular to the surface of the multilayer dielectric substrate, in the stored state,
The second and fourth radiation conductors are configured to be substantially parallel to the surface of the multilayer dielectric substrate.

In a wireless communication PC card device according to a third aspect of the present invention, a wireless communication PC card main body in which a wireless circuit portion and a control circuit portion formed on a dielectric substrate are disposed inside a housing, In a wireless communication PC card device comprising a movable antenna which can be set to each of the pulled-out states, the movable antenna is constituted by first, second and third radiation conductors, and is arranged perpendicular to the substrate surface. One end of the provided first radiation conductor is connected to a power supply conductor formed on the dielectric substrate, and the other end of the first radiation conductor is connected to the second radiation conductor. The second radiation conductor is configured so as to be rotatable around one end thereof together with one end of the conductor, and the first radiation conductor and the second radiation conductor are connected via the movable portion. The radiation conductor is connected,
One end of the third radiating conductor disposed perpendicular to the substrate surface is configured to be connected to a ground conductor formed on the multilayer dielectric substrate. The second radiation conductor is substantially parallel to the surface of the dielectric substrate, and one end of the second radiation conductor is connected to the third radiation conductor. Is configured to be substantially perpendicular to the surface of the dielectric substrate.

In a wireless communication PC card device according to a fourth aspect of the present invention, a wireless communication PC card main body in which a wireless circuit section and a control circuit section formed on a dielectric substrate are arranged inside a housing, In a wireless communication PC card device including a movable antenna that can be set to each state of a withdrawn state, the movable antenna includes first and second radiating conductors, and one of the first radiating conductors An end is disposed perpendicular to the surface of the dielectric substrate, and the other end of the first radiating conductor is connected to the second radiating conductor together with one end of the second radiating conductor. A movable portion that is rotatable about a portion, and the first radiation conductor and the second radiation conductor are connected via the movable portion, and are formed on the dielectric substrate. One end of strip conductor The other end of the strip conductor is connected to a feed conductor formed on the multilayer dielectric substrate, and the other end of the strip conductor is at a certain distance from one end of the first radiation conductor disposed on the dielectric substrate surface. When the movable antenna is pulled out, the second radiation conductor is substantially perpendicular to the surface of the dielectric substrate, and in the retracted state, the second radiation conductor is approximately parallel to the surface of the dielectric substrate. It is configured so that

In a wireless communication PC card device according to a fifth aspect of the present invention, a wireless communication PC card main body in which a wireless circuit section and a control circuit section formed on a dielectric substrate are arranged inside a housing, In a wireless communication PC card device comprising a movable antenna which can be set to each state of a drawer state, the movable antenna is constituted by first and second radiation conductors, and is disposed vertically to the substrate surface. One end of the first radiation conductor is connected to one end of a strip conductor formed on the dielectric substrate, and the other end of the first radiation conductor is connected to the second radiation conductor. Together with one end of the conductor, the second radiating conductor constitutes a movable portion that is rotatable about one end thereof, and the movable portion has an end portion of the first and second radiating conductors. Both configurations with a certain distance , The other end of the strip conductor is a configuration that is connected to power supply conductor formed in the multilayer dielectric substrate, the extended state of the movable antenna,
The second radiation conductor is configured to be substantially perpendicular to the surface of the dielectric substrate, and in the housed state, the second radiation conductor is configured to be substantially parallel to the surface of the dielectric substrate.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 1 and 2 are schematic internal configuration diagrams of a wireless communication PC card device according to an embodiment of the present invention. FIG. 1 shows a state where an antenna is pulled out, and FIG. 2 shows a state where the antenna is housed.

In FIG. 1, reference numeral 21 denotes a PC card main body;
Is a movable antenna, 23 is a first radiating conductor, 24 is a second radiating conductor.
Radiation conductor, 25 a movable part, 26 a multilayer dielectric substrate, 2
7 is a wireless circuit unit, 28 is a control circuit unit, 29 is a power supply conductor,
Reference numeral 30 denotes a ground conductor of the power supply conductor 29.

First, the operation when the movable antenna 22 is pulled out will be described. The movable antenna 22 operates as a monopole antenna when pulled out due to the presence of the ground conductor 30. Therefore, by setting the electrical length of the movable antenna 22 to about λ / 4 (λ is the wavelength at the operating frequency), impedance matching with the line impedance exhibited by the feed conductor 29 can be easily achieved.
The radiation pattern is dominated by the vertically polarized wave component.

Next, the operation in a state where the movable antenna 22 is stored will be described. Movable antenna 2 when stored
2 operates as a so-called inverted L antenna. Inverted L antennas generally exhibit low impedance characteristics,
The effect of the finite size and the fact that the length of the first radiating conductor 23 is increased to some extent and the height of the second radiating conductor 24 is increased to increase the line impedance exhibited by the feeder conductor 29 and the impedance Matching can be achieved.
In the radiation pattern, an amount of vertical polarization component approximately proportional to the length of the first radiation conductor 23 is obtained.

In the above embodiment, the first radiation conductor 2
Although the third and second radiation conductors 24 are shown as linear conductors, they may be meander-line-shaped conductors, or may be conductors formed on a dielectric substrate.

According to the first embodiment of the present invention, a wireless communication PC card body in which a wireless circuit section and a control circuit section formed on a multilayer dielectric substrate are arranged inside a housing, Or a movable antenna that is housed at the end of the PC card body and is used to protrude out of the PC card body when pulled out. One end of the first radiation conductor is connected to a feeder conductor formed on the multilayer dielectric substrate perpendicularly to a substrate surface, and the first radiation conductor is connected to the first radiation conductor perpendicularly to the substrate surface. The other end of the conductor forms a movable part together with the end of the second radiation conductor, and the first part is connected to the first radiation conductor via the movable part.
And the second radiation conductor are connected to each other, and when pulled out, the second radiation conductor is substantially perpendicular to the surface of the multilayer dielectric substrate, and when stored, the second radiation conductor is connected to the multilayer dielectric substrate. It is configured to be substantially parallel to the substrate surface.

In the wireless communication PC card device according to the first embodiment, the movable antenna is composed of first and second radiation conductors, and one end of the first radiation conductor is formed on a multilayer dielectric substrate. And the connection between the other end of the first radiating conductor and the end of the second radiating conductor is made movable. Height is obtained.

As described above, according to the first embodiment, the movable antenna is composed of the first and second radiation conductors, and one end of the first radiation conductor is formed on the multilayer dielectric substrate. And the other end of the first radiating conductor constitutes a movable portion together with the end of the second radiating conductor, and the first radiating conductor is connected to the first radiating conductor via the movable portion. The second radiating conductor is connected so that when pulled out, the second radiating conductor is substantially perpendicular to the surface of the multilayer dielectric substrate, and when stored, the second radiating conductor is approximately parallel to the surface of the multilayer dielectric substrate. By doing so, the operation of pulling out and storing is easy, and a PC card device for wireless communication having a vertical polarization component can be obtained not only at the time of pulling out but also at the time of storing. The effect that good communication can be performed via the mobile communication base station There is.

Embodiment 2 FIG. 3 and 4 are schematic internal configuration diagrams of a PC card device for wireless communication showing another embodiment of the present invention. FIG. 3 shows a state where the antenna is pulled out, and FIG. 4 shows a state where the antenna is housed.

In the figure, 41 is a movable antenna, and 42 is a first antenna.
, 43 and 44 are the first and second radiating conductors constituting the first antenna 42, 45 is the first movable portion, 46 is the second antenna, and 47 and 48 are the second antennas, respectively. Third and fourth radiation conductors constituting the antenna 46, 49 is a second movable portion, and 50 is a connection conductor for connecting an end of the second radiation conductor and an end of the fourth radiation conductor.
In the figure, the same or corresponding portions as in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

First, the operation when the movable antenna 41 is pulled out will be described. When pulled out, the movable antenna 41 operates as a monopole type folded antenna. When the electric length of the first antenna 42 and the electric length of the second antenna 46 are respectively set to about λ / 4, the first antenna 42 and the second antenna 46 have substantially the same phase according to the principle of the folded antenna. And a radiation pattern almost identical to that of the linear monopole antenna. The impedance characteristic can be adjusted by the ratio between the conductor width of the first antenna 42 and the conductor width of the second antenna 46 and the length of the connection conductor 50, and generally shows high impedance characteristics.

Next, an operation in a state where the movable antenna 41 is stored will be described. When stored, the movable antenna 41 operates as a so-called hairpin antenna. The hairpin antenna has a configuration in which the inverted L antenna is folded, and the inverted L antenna is
The low impedance characteristics of the antenna can be enhanced by folding the radiation conductor. In the radiation pattern, an amount of vertical polarization component substantially proportional to the length of the first and third radiation conductors 43 and 47 is obtained.

The impedance matching at the time of extraction and at the time of storage is performed, for example, in the feeder conductor 29 by λg / 4 (λg
VSWR can be obtained by setting the line impedance having a length corresponding to the line wavelength inherent to the feeder conductor 29) to be approximately the intermediate value of the impedance determined from the antenna impedance at the time of extraction and the antenna impedance at the time of storage.
(Voltage standing wave ratio) can be set to a value close to 1.

In the above embodiment, the first and second radiating conductors 43 and 44 and the third and fourth radiating conductors 47 and 48 are shown as linear conductors. Alternatively, a conductor formed on a dielectric substrate may be used.

In the second embodiment, a wireless communication PC card body in which a wireless circuit section and a control circuit section formed on a multilayer dielectric substrate are arranged inside a housing, and when housed, are housed inside the PC card body. Alternatively, in a wireless communication PC card device comprising a movable antenna housed at an end of the PC card main body and used by being pulled out of the PC card main body when being pulled out, the movable antenna is a first and a second antenna. A first antenna composed of two radiating conductors, a second antenna composed of third and fourth radiating conductors, and a connecting conductor connecting the first antenna and the second antenna. The first antenna is configured such that one end of the first radiation conductor is connected to a feed conductor formed on the multilayer dielectric substrate perpendicularly to a substrate surface, and the first radiation conductor Constitutes a first movable part together with an end of the second radiation conductor, and the first radiation conductor and the second radiation conductor are connected via the first movable part. In the second antenna, one end of the third radiation conductor is vertically connected to a ground conductor formed on the multilayer dielectric substrate and to a substrate surface, and the third radiation conductor The other end constitutes a second movable portion together with the end of the fourth radiation conductor, and the third radiation conductor and the fourth radiation conductor are connected via the second movable portion. In addition, the connection conductor is configured to connect the open side ends of the second radiation conductor and the fourth radiation conductor, and the rotation axes of the first movable part and the second movable part are the multilayer. The second and fourth radiation conductors are parallel to and in the same direction as the surface of the dielectric substrate, and when pulled out, the second and fourth radiating conductors are connected to the multilayer dielectric. Becomes approximate vertical to the substrate surface, when stored, the second and fourth radiation conductors is obtained by configured to be parallel to approximate to the multi-layer dielectric substrate surface.

In the second embodiment, the movable antenna includes a first antenna composed of first and second radiation conductors, a second antenna composed of third and fourth radiation conductors, The first antenna includes a connection conductor for connecting the second antenna, and the first antenna has one end of the first radiation conductor connected to a feed conductor formed on the multilayer dielectric substrate. The connection between the other end of the first radiation conductor and the end of the second radiation conductor is a first movable portion, and the second antenna has one end of the third radiation conductor having a multilayer structure. It is connected to a ground conductor formed on a dielectric substrate, and the connection between the other end of the third radiation conductor and the end of the fourth radiation conductor is a second movable portion. 2 and the open end of the fourth radiating conductor are connected, so that the movable antenna is folded back. To operate as an antenna.

According to the second embodiment, the movable antenna is composed of the first antenna composed of the first and second radiation conductors, and the second antenna composed of the third and fourth radiation conductors. , A first conductor and a connection conductor for connecting the second antenna, the first antenna, the one end of the first radiation conductor, a feed conductor formed on a multilayer dielectric substrate, The first radiation conductor is connected perpendicularly to the substrate surface, the other end of the first radiation conductor forms a first movable portion together with the end of the second radiation conductor, and the first radiation conductor is connected to the first radiation conductor via the first movable portion. The second antenna has a configuration in which the second radiating conductor is connected, and one end of the third radiating conductor is connected to a ground conductor formed on the multilayer dielectric substrate at right angles to the substrate surface, The other end of the third radiation conductor forms a second movable portion together with the end of the fourth radiation conductor. The third radiation conductor and the fourth radiation conductor are connected to each other, and the connection conductor is configured to connect the open end of the second radiation conductor and the fourth radiation conductor to each other. The rotation axes of the part and the second movable part are parallel to and in the same direction as the surface of the multilayer dielectric substrate, and when pulled out, the second and fourth radiation conductors are substantially perpendicular to the surface of the multilayer dielectric substrate. In some cases, the second and fourth radiating conductors are configured to be substantially parallel to the surface of the multilayer dielectric substrate, so that the operation of pulling out and storing is easy. PC card device for wireless communication having a
Good communication can be performed via a mobile communication base station such as an HS base station, and the VSWR at the time of pulling out and storing can be kept within a certain range close to 1, thereby suppressing characteristic deterioration due to impedance fluctuation. There is an effect that can be.

Embodiment 3 5 and 6 are schematic internal configuration diagrams of a wireless communication PC card device showing another embodiment of the present invention. FIG. 5 shows a state in which the antenna is pulled out, and FIG. 6 shows a state in which the antenna is housed.

In the figure, reference numeral 61 denotes a movable antenna, and 62 denotes a first antenna.
, 63 is a second radiation conductor, 64 is a third radiation conductor, and 65 is a movable part. In the figure, the first embodiment
The same or corresponding parts are denoted by the same reference numerals and description thereof will be omitted.

First, the operation when the movable antenna 61 is pulled out will be described. When pulled out, the movable antenna 61 operates as a normal monopole antenna. Therefore, by setting the electric length of the movable antenna 61, that is, the sum of the electric lengths of the first radiating conductor 62 and the second radiating conductor 63 to about λ / 4, the line impedance exhibited by the feeding conductor 29 can be easily reduced. Impedance matching. The radiation pattern is dominated by the vertically polarized wave component.

Next, the operation in a state where the movable antenna 61 is stored will be described. At the time of storage, the end of the second radiation conductor 63 is connected to the third radiation conductor 6 connected to the ground conductor 30.
4, the movable antenna 61 operates as a so-called inverted F antenna. The inverted F antenna is characterized in that impedance matching can be achieved even when the height of the second radiation conductor 63 from the ground conductor 30 is somewhat lower than that of the inverted L antenna. Therefore, although the vertical polarization component is somewhat sacrificed, there is an advantage that the storage space can be reduced.

In the third embodiment, a wireless communication PC card body in which a wireless circuit section and a control circuit section formed on a multilayer dielectric substrate are arranged inside a housing, and when housed, are housed inside the PC card body. Alternatively, in a wireless communication PC card device comprising: a movable antenna housed at an end of the PC card main body, which is used by being pulled out of the PC card main body when being pulled out, the movable antenna is a first or a second antenna. The first and second radiating conductors,
One end of the radiating conductor is vertically connected to a feeder conductor formed on the multilayer dielectric substrate, and the other end of the first radiating conductor is movable with the second radiating conductor. And the first radiation conductor and the second radiation conductor
Radiating conductors are connected, and one end of the third radiating conductor is connected to a ground conductor formed on the multilayer dielectric substrate perpendicularly to the substrate surface. Is substantially parallel to the surface of the multilayer dielectric substrate, and the end of the second radiation conductor is connected to the third radiation conductor, and when pulled out, the second radiation conductor is connected to the multilayer dielectric substrate. It is configured to be substantially perpendicular to the body substrate surface.

In the third embodiment, the movable antenna is constituted by first, second and third radiation conductors, and one end of the first radiation conductor is provided on a multi-layer dielectric substrate. A third radiation conductor connected to the ground conductor formed on the multi-layer dielectric substrate; and a connection part between the other end of the first radiation conductor and the second radiation conductor. At the time of connection and storage, the end of the second radiation conductor is connected to the third radiation conductor, so that the movable antenna operates as an inverted F antenna at the time of storage.

According to the third embodiment, the movable antenna is composed of the first, second and third radiation conductors, and one end of the first radiation conductor is formed on the multilayer dielectric substrate. The other end of the first radiating conductor is connected to the feeding conductor and the substrate surface perpendicularly to the substrate surface to form a movable portion together with the second radiating conductor, and the first radiating conductor and the second radiating portion are connected via the movable portion. Connect the conductors,
One end of the third radiating conductor is connected to a ground conductor formed on the multilayer dielectric substrate and perpendicular to the substrate surface, and when stored, the second radiating conductor is substantially in contact with the multilayer dielectric substrate surface. At the same time, the end of the second radiation conductor is connected to the third radiation conductor, and at the time of extraction, the second radiation conductor is configured to be substantially perpendicular to the surface of the multilayer dielectric substrate. The storage operation is easy, and a PC card device for wireless communication having a vertical polarization component can be obtained not only at the time of withdrawal but also at the time of storage, and can be obtained via mobile communication base stations such as mobile phone base stations and PHS base stations. In addition, good communication can be performed, and the height from the multilayer dielectric substrate can be reduced during storage, and the storage space can be reduced.

Embodiment 4 FIG. FIG. 7 is a schematic internal configuration diagram of a wireless communication PC card device showing another embodiment of the present invention.

In the figure, 71 is a movable antenna, and 72 is a first antenna.
, 73 is a second radiating conductor, 74 is a movable part, 7
A strip conductor 5 is formed on the multilayer dielectric substrate 26 and has one end connected to the feed conductor 29. In the figure, the same or corresponding portions as in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

First, the operation when the movable antenna 71 is pulled out will be described. In this antenna configuration, the strip conductor 75 is used as a feeding antenna, and the movable antenna 71 is used.
Is excited by electromagnetic coupling. Therefore, at the time of pulling out, the electrical length of the movable antenna 71 is about λ /
At 2, the radiation efficiency of the movable antenna 71 is maximized. If the electrical length of the strip conductor 75 is about λ / 4, impedance matching with the line impedance exhibited by the feed conductor 29 can be easily achieved. The radiation pattern has almost the same shape as the dipole antenna, and the vertical polarization component becomes dominant.

Next, an operation in a state where the movable antenna 71 is stored will be described. In general, the impedance exhibited by the movable antenna 71 fluctuates due to the influence of the strip conductor 75 and the ground conductor 30 at the time of storage, so that the matching with the line impedance of the feed conductor 29 is deviated. First
By setting the length of the radiating conductor 72, that is, the distance between the second radiating conductor 73 and the multilayer dielectric substrate 26 to some extent, it is possible to suppress the impedance shift and increase the vertical polarization component.

In the above embodiment, the first radiating conductor 73 and the second radiating conductor 74 are shown as linear conductors, but may be meander line-shaped conductors, and may be formed on a dielectric substrate. Conductor may be used.

In the fourth embodiment, a wireless communication PC card main body in which a radio circuit section and a control circuit section formed on a multilayer dielectric substrate are arranged inside a housing, and when housed, are housed inside the PC card main body. Alternatively, in a wireless communication PC card device comprising a movable antenna housed at an end of the PC card main body and used by being pulled out of the PC card main body when being pulled out, the movable antenna is a first and a second antenna. Two radiating conductors, one end of the first radiating conductor is installed perpendicular to the surface of the multilayer dielectric substrate, and the other end of the first radiating conductor is connected to the end of the second radiating conductor. And a movable part, and the first part is formed through the movable part.
And the second radiation conductor is connected, and one end of a strip conductor formed on the multilayer dielectric substrate is connected to a feed conductor formed on the multilayer dielectric substrate. The other end of the strip conductor is arranged at a fixed distance from the end of the first radiating conductor provided on the surface of the multilayer dielectric substrate. The second radiating conductor is configured to be substantially perpendicular to the surface of the multilayer dielectric substrate, and to be substantially parallel to the surface of the multilayer dielectric substrate when stored.

In the fourth embodiment, the movable antenna is composed of the first and second radiation conductors, and one end of the first radiation conductor is provided on the surface of the multilayer dielectric substrate, and the first radiation The connecting portion between the other end of the conductor and the end of the second radiating conductor is a movable portion, and one end of the strip conductor formed on the multilayer dielectric substrate is connected to a feeder conductor formed on the multilayer dielectric substrate. The movable antenna operates as a dipole antenna because the other end of the strip conductor is connected to the end of the first radiation conductor provided on the surface of the multilayer dielectric substrate at a fixed distance.

According to the fourth embodiment, the movable antenna is composed of the first and second radiating conductors, and one end of the first radiating conductor is installed perpendicular to the surface of the multilayer dielectric substrate. The other end of the first radiation conductor forms a movable portion together with the end of the second radiation conductor, and the first radiation conductor and the second radiation conductor are connected via the movable portion. One end of a strip conductor formed on the multilayer substrate is connected to a feed conductor formed on the multilayer dielectric substrate, and the other end of the strip conductor is a first radiation conductor installed on the surface of the multilayer dielectric substrate. The second radiating conductor is substantially perpendicular to the surface of the multilayer dielectric substrate when pulled out, and the second radiating conductor is substantially parallel to the surface of the multilayer dielectric substrate when retracted. The drawer and storage operations are easy. , Drawer at the time is a matter of course,
Even when stored, a PC card device for wireless communication having a vertically polarized wave component can be obtained, and good communication can be performed via mobile communication base stations such as a mobile phone base station and a PHS base station.

Embodiment 5 FIG. FIG. 8 is a schematic internal configuration diagram of a wireless communication PC card device showing another embodiment of the present invention.

In the figure, 81 is a movable antenna, and 82 is a first antenna.
83, a second radiating conductor, 84 a movable portion, 8
Reference numeral 5 denotes a strip conductor formed on the multilayer dielectric substrate 26, one end of which is connected to the feed conductor 29, and the other end of which is connected to the first radiating conductor 82. A dielectric member 87 is provided between the second radiation conductor 83 and the second radiation conductor 83. Reference numeral 87 denotes a dielectric screw for positioning and moving the movable portion 84. In the figure, the same or corresponding portions as in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

First, the operation when the movable antenna 81 is pulled out will be described. In this antenna configuration, the strip conductor 85 and the first radiating conductor 82 are used as a feeding antenna, and the second radiating conductor 83 is excited by electromagnetic coupling. Therefore, the electrical length of the second radiation conductor 83 is about λ
In the case of / 2, the radiation efficiency of the second radiation conductor 83 is maximized. When the sum of the electrical lengths of the strip conductor 85 and the first radiating conductor 82 is set to about λ / 4, impedance matching with the line impedance exhibited by the feed conductor 29 can be easily achieved. The radiation pattern has almost the same shape as the dipole antenna, and the vertically polarized wave component becomes dominant.

Next, an operation in a state where the movable antenna 81 is stored will be described. At the time of storage, the second radiating conductor 83 and the first radiating conductor 82 are substantially perpendicular to each other in the movable portion 84, so that the first radiating conductor 82 and the second radiating conductor 83
The electromagnetic coupling with is almost eliminated. Therefore, if the distance between the second radiation conductor 83 and the multilayer dielectric substrate 26 is some distance, the radiation pattern is represented by the vector sum of the radiation patterns of the strip conductor 85 and the first radiation conductor 82, The vertical polarization component becomes remarkable due to the effect of the one radiation conductor 82. The impedance characteristic is that the sum of the electrical lengths of the strip conductor 85 and the first radiating conductor 82 is about λ / 4.
Therefore, the impedance is good, and the impedance can be easily matched with the line impedance of the feed conductor 29.

In the above embodiment, the first radiating conductor 82 and the second radiating conductor 83 are shown as linear conductors, but may be meander-line shaped conductors, and may be formed on a dielectric substrate. Conductor may be used.

In the fifth embodiment, a wireless communication PC card body in which a wireless circuit section and a control circuit section formed on a multilayer dielectric substrate are arranged inside a housing, and when housed, are housed inside the PC card body. Alternatively, in a wireless communication PC card device comprising a movable antenna housed at an end of the PC card main body and used by being pulled out of the PC card main body when being pulled out, the movable antenna is a first and a second antenna. Two radiating conductors, one end of the first radiating conductor is connected to an end of a strip conductor formed on the multilayer dielectric substrate perpendicularly to a substrate surface, and The other end of the radiation conductor forms a movable portion together with the end of the second radiation conductor, and the movable portion has a configuration in which the ends of the first and second radiation conductors are separated by a fixed distance, The strip The other end of the body is connected to a power supply conductor formed on the multilayer dielectric substrate, and when pulled out, the second radiation conductor is substantially perpendicular to the multilayer dielectric substrate surface, and when stored, the second radiation conductor is The second radiation conductor is configured to be substantially parallel to the surface of the multilayer dielectric substrate.

In the fifth embodiment, the movable antenna is composed of the first and second radiation conductors, and one end of the first radiation conductor is formed of a strip conductor formed on the multilayer dielectric substrate. And the other end of the first radiation conductor is connected to the second
A movable portion is formed together with the end portion of the radiating conductor, and the movable portion has a configuration in which the end portions of the first and second radiating conductors are spaced apart by a fixed distance. The amount of coupling between the radiation conductor and the second radiation conductor changes.

According to the fifth embodiment, the movable antenna is composed of the first and second radiating conductors, and one end of the first radiating conductor is a strip conductor formed on the multilayer dielectric substrate. And the other end of the first radiating conductor constitutes a movable portion together with the end of the second radiating conductor, and the movable portion is connected to the first and second radiating conductors. The end of the strip conductor is arranged at a fixed distance, and the other end of the strip conductor is connected to a power supply conductor formed on the multilayer dielectric substrate. The second radiating conductor is substantially perpendicular to the surface, and the second radiating conductor is configured to be substantially parallel to the surface of the multilayer dielectric substrate during storage, so that the operation of pulling out and storing is easy. Wireless communication PC with vertical polarization component And a good communication can be performed via a mobile communication base station such as a mobile phone base station or a PHS base station. effective.

[0053]

According to the first invention, the movable antenna is constituted by the first and second radiating conductors, and one end of the first radiating conductor is provided on the multilayer dielectric substrate by the power supply. The first radiating conductor is connected to the conductor perpendicularly to the substrate surface, and the other end of the first radiating conductor constitutes a movable portion together with the end of the second radiating conductor. The radiating conductors are connected so that the second radiating conductor is substantially perpendicular to the surface of the multilayer dielectric substrate in the pulled-out state, and substantially parallel to the surface of the multilayer dielectric substrate in the retracted state. As a result, it is easy to perform the withdrawal operation and the storage operation, and it is possible to obtain a wireless communication PC card device having a vertically polarized component in the retracted state as well as in the retracted state. The effect that good communication can be performed via the communication base station There is.

According to the second aspect, the dynamic antenna is connected to the first antenna.
And a first antenna comprising a second radiating conductor;
A second antenna composed of third and fourth radiating conductors, and a connecting conductor connecting the first antenna and the second antenna, wherein the first antenna is one of the first radiating conductors Is connected perpendicularly to the substrate surface with the feed conductor formed on the multilayer dielectric substrate, and the other end of the first radiation conductor forms a first movable portion together with the end of the second radiation conductor. The first radiating conductor and the second radiating conductor are connected via the first movable portion, and the second antenna has one end of the third radiating conductor on a multilayer dielectric substrate. And the other end of the third radiation conductor constitutes a second movable part together with the end of the fourth radiation conductor, and this second movable part is The third radiation conductor and the fourth radiation conductor are connected to each other via the second radiation conductor and the fourth radiation conductor. A configuration that connects the open end portion,
The rotation axes of the first movable part and the second movable part are parallel to the surface of the multilayer dielectric substrate and in the same direction.
The second and fourth radiating conductors are substantially perpendicular to the surface of the multilayer dielectric substrate, and in the housed state, the second and fourth radiating conductors are configured to be substantially parallel to the surface of the multilayer dielectric substrate. It is easy to operate and store, and it is possible to obtain a wireless communication PC card device having a vertically polarized component even in the retracted state as well as in the retracted state, and can be used for mobile communication base stations such as mobile phone base stations and PHS base stations. Good communication can be performed via the
The SWR can be kept within a certain range close to 1, and there is an effect that characteristic deterioration due to impedance fluctuation can be suppressed.

According to the third aspect, the movable antenna is constituted by the first, second and third radiation conductors, and one end of the first radiation conductor is formed on the multilayer dielectric substrate. The other end of the first radiating conductor is connected to the feeding conductor and the substrate surface perpendicularly to the substrate surface to form a movable portion together with the second radiating conductor, and the first radiating conductor and the second radiating portion are connected via the movable portion. A conductor is connected, and one end of the third radiation conductor is connected to a ground conductor formed on the multilayer dielectric substrate and perpendicular to the substrate surface. The second radiation conductor is substantially parallel to the surface of the dielectric substrate, and the end of the second radiation conductor is connected to the third radiation conductor. In the extended state, the second radiation conductor is substantially perpendicular to the surface of the multilayer dielectric substrate. With this configuration, the drawer operation and storage operation are easy, and A PC card device for wireless communication having a vertically polarized component can be obtained even in the housed state, and good communication can be performed via mobile communication base stations such as a mobile phone base station and a PHS base station. There is an effect that the height from the substrate can be reduced and the storage space can be reduced.

According to the fourth aspect, the movable antenna is constituted by the first and second radiating conductors, and one end of the first radiating conductor is installed vertically to the surface of the multilayer dielectric substrate. The other end of the first radiation conductor forms a movable portion together with the end of the second radiation conductor, and the first radiation conductor and the second radiation conductor are connected via the movable portion. One end of a strip conductor formed on the multilayer substrate is connected to a feed conductor formed on the multilayer dielectric substrate, and the other end of the strip conductor is a first radiation conductor installed on the surface of the multilayer dielectric substrate. In the extended state, the second radiating conductor is substantially perpendicular to the surface of the multilayer dielectric substrate, and in the retracted state, the second radiating conductor is substantially perpendicular to the surface of the multilayer dielectric substrate. Approximately parallel configuration facilitates pull-out and storage operations Yes, it is possible to obtain a wireless communication PC card device having a vertically polarized component in the retracted state as well as in the retracted state, and good communication can be performed via a mobile communication base station such as a mobile phone base station or a PHS base station. This has the effect.

According to the fifth aspect, the movable antenna is constituted by the first and second radiating conductors, and one end of the first radiating conductor is a strip conductor formed on the multilayer dielectric substrate. And the other end of the first radiating conductor constitutes a movable portion together with the end of the second radiating conductor,
The movable portion has a configuration in which the ends of the first and second radiating conductors are at a fixed distance, and the other end of the strip conductor is connected to a power supply conductor formed on the multilayer dielectric substrate, In the drawn state, the second radiating conductor is substantially perpendicular to the surface of the multilayer dielectric substrate, and in the stored state, the second radiating conductor is configured to be substantially parallel to the surface of the multilayer dielectric substrate. A storage operation is easy, and a PC card device for wireless communication having a vertically polarized component can be obtained in the retracted state as well as in the retracted state, and can be obtained through a mobile communication base station such as a mobile phone base station or a PHS base station. Good communication can be performed, and there is an effect that the effect of the second radiation conductor is eliminated particularly in the housed state, and good characteristics can be obtained.

[Brief description of the drawings]

FIG. 1 shows a wireless communication P according to Embodiment 1 of the present invention.
FIG. 2 is a schematic internal configuration diagram of a C card device.

FIG. 2 shows a wireless communication P according to Embodiment 1 of the present invention.
FIG. 2 is a schematic internal configuration diagram of a C card device.

FIG. 3 shows a wireless communication P according to a second embodiment of the present invention.
FIG. 2 is a schematic internal configuration diagram of a C card device.

FIG. 4 shows a wireless communication P according to a second embodiment of the present invention.
FIG. 2 is a schematic internal configuration diagram of a C card device.

FIG. 5 shows a wireless communication P according to Embodiment 3 of the present invention.
FIG. 2 is a schematic internal configuration diagram of a C card device.

FIG. 6 shows a wireless communication P according to Embodiment 3 of the present invention.
FIG. 2 is a schematic internal configuration diagram of a C card device.

FIG. 7 shows a wireless communication P according to Embodiment 4 of the present invention.
FIG. 2 is a schematic internal configuration diagram of a C card device.

FIG. 8 shows a wireless communication P according to a fifth embodiment of the present invention.
FIG. 2 is a schematic internal configuration diagram of a C card device.

FIG. 9 is an external configuration diagram of a conventional wireless communication PC card device.

FIG. 10 is an internal circuit configuration diagram of a conventional wireless communication PC card device.

[Explanation of symbols]

REFERENCE SIGNS LIST 1 PC card main body, 2 movable antenna, 7 control circuit section, 8 radio circuit section, 10 multilayer dielectric substrate, 21
PC card body, 22 movable antenna, 23 first radiation conductor, 24 second radiation conductor, 25 movable part, 26
Multilayer dielectric substrate, 27 radio circuit section, 28 control circuit section, 29 feed conductor, 30 ground conductor, 41 movable antenna, 42 first antenna, 43 first radiation conductor,
44 second radiation conductor, 45 first movable part, 46 second antenna, 47 third radiation conductor, 48 fourth radiation conductor, 49 second movable part, 50 connection conductor, 61
Movable antenna, 62 first radiation conductor, 63 second radiation conductor, 64 third radiation conductor, 65 movable part, 71
Movable antenna, 72 first radiation conductor, 73 second radiation conductor, 74 movable part, 75 strip conductor, 81
Movable antenna, 82 first radiating conductor, 83 second
Radiation conductor, 84 movable part, 85 strip conductor.

Claims (5)

[Claims] 1. A wireless communication PC card main body in which a wireless circuit section and a control circuit section formed on a dielectric substrate are disposed inside a housing, and a movable antenna that can be set to a stored state and a drawn state. Wherein the movable antenna comprises first and second radiating conductors, and one end of the first radiating conductor disposed perpendicular to the substrate surface is A power supply conductor formed on the dielectric substrate;
The other end of the radiating conductor together with one end of the second radiating conductor constitutes a movable portion that makes the second radiating conductor rotatable about one end thereof. The first radiating conductor and the second radiating conductor are connected through the movable antenna, and when the movable antenna is pulled out, the second radiating conductor is substantially perpendicular to the dielectric substrate surface. The PC for wireless communication, wherein the second radiation conductor is configured to be substantially parallel to the surface of the multilayer dielectric substrate.
Card device. 2. A wireless communication PC card main body in which a wireless circuit section and a control circuit section formed on a dielectric substrate are arranged in a housing, and a movable antenna that can be set to a stored state and a drawn state. Wherein the movable antenna is a first antenna composed of first and second radiation conductors, and a second antenna composed of third and fourth radiation conductors. An antenna; and a connection conductor for connecting the first antenna and the second antenna, wherein the first antenna has one end of the first radiation conductor disposed perpendicular to a substrate surface. Part is connected to a power supply conductor formed on the dielectric substrate, and the other end of the first radiation conductor is connected to the second radiation conductor together with an end of the second radiation conductor. Rotatable around one end Wherein the first radiating conductor and the second radiating conductor are connected via the first movable portion, and the second antenna is provided on a substrate surface. One end of the third radiating conductor vertically disposed on the ground is connected to a ground conductor formed on the dielectric substrate, and the other end of the third radiating conductor is connected to the ground conductor. Together with one end of the fourth radiating conductor, a second movable portion is provided which makes the fourth radiating conductor rotatable around one end thereof, and the second movable portion is connected to the second radiating conductor via the second movable portion. A third radiation conductor and the fourth radiation conductor are connected, and the connection conductor connects the second radiation conductor and an open end of the fourth radiation conductor. The first
The rotation axes of the movable portion and the second movable portion are parallel to and in the same direction as the surface of the multilayer dielectric substrate, and when the movable antenna is pulled out, the second and fourth radiation conductors are A PC card device for wireless communication, wherein the second and fourth radiating conductors are substantially perpendicular to the surface of the multilayer dielectric substrate, and in the housed state, the second and fourth radiation conductors are substantially parallel to the surface of the multilayer dielectric substrate. . 3. A wireless communication PC card main body in which a wireless circuit section and a control circuit section formed on a dielectric substrate are arranged in a housing, and a movable antenna that can be set to a stored state and a drawn state. In the wireless communication PC card device, the movable antenna includes first, second, and third radiation conductors, and one of the first radiation conductors disposed perpendicular to the substrate surface. An end is connected to a feed conductor formed on the dielectric substrate, and the other end of the first radiation conductor is connected to one end of the second radiation conductor in the second radiation conductor. A movable portion is formed so that the conductor is rotatable about one end thereof. The first radiation conductor and the second radiation conductor are connected via the movable portion, and are arranged perpendicular to the substrate surface. One end of the third radiation conductor provided is the multilayer In a configuration in which the movable antenna is housed, the second radiation conductor is substantially parallel to the surface of the dielectric substrate and the second radiation conductor is connected to a ground conductor formed on the dielectric substrate. One end of the conductor is connected to the third radiating conductor, and when pulled out, the second radiating conductor is connected to the second radiating conductor.
Wherein the radiation conductor is arranged to be substantially perpendicular to the surface of the dielectric substrate. 4. A wireless communication PC card main body in which a wireless circuit portion and a control circuit portion formed on a dielectric substrate are disposed inside a housing, and a movable antenna that can be set to a stored state and a drawn state. In the wireless communication PC card device, the movable antenna includes first and second radiating conductors, and one end of the first radiating conductor is disposed perpendicular to the dielectric substrate surface. The other end of the first radiating conductor is provided with a movable portion that allows the second radiating conductor to rotate around one end thereof together with one end of the second radiating conductor. The first radiating conductor and the second radiating conductor are connected via the movable portion, and one end of a strip conductor formed on the dielectric substrate is connected to the multilayer dielectric. Contacts with the power supply conductor formed on the Then, the other end of the strip conductor is configured to have a certain distance from one end of the first radiation conductor disposed on the dielectric substrate surface, and in a state where the movable antenna is pulled out, The second radiation conductor is substantially perpendicular to the surface of the dielectric substrate, and in a stored state, the second radiation conductor is substantially parallel to the surface of the dielectric substrate. PC card device. 5. A wireless communication PC card main body in which a wireless circuit section and a control circuit section formed on a dielectric substrate are arranged inside a housing, and a movable antenna that can be set to a stored state and a drawn state. Wherein the movable antenna comprises first and second radiating conductors, and one end of the first radiating conductor disposed perpendicular to the substrate surface is Connected to one end of a strip conductor formed on the dielectric substrate, and the other end of the first radiation conductor is connected to the second radiation together with one end of the second radiation conductor. The movable part is configured such that the conductor is rotatable around one end thereof, and the movable part is configured such that ends of the first and second radiating conductors are separated by a fixed distance, and The other end of the strip conductor is The second radiation conductor is substantially perpendicular to the surface of the dielectric substrate when the movable antenna is pulled out. Wherein the radiation conductor is configured to be substantially parallel to the surface of the dielectric substrate.