JPH08191209A - Radio information processor - Google Patents

Abstract

PURPOSE: To obtain an radio information processor capable of preventing the generation of deterioration between a main body and an antenna and the reduction of antenna life. CONSTITUTION: A handy terminal 1 consists of a main body 2 and a carrying part 3 and a liquid crystal display 4 is arranged on the surface of the body 2. The display 4 displays various data relating to transmission/reception. A keyboard 5 for starting the read or write of information from/in another medium and transmitting a command for the edition or like of write data is also arranged on the surface of the body 2. A receiving loop antenna 6 and a transmitting loop antenna 8 are respectively fixed on the peripheries of the display 4 and the carrying part 3 and built in the body 2 without being exposed to the surface of the body 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wireless information processing device for reading and writing wireless information.

[0002]

2. Description of the Related Art As a wireless information processing apparatus for reading and writing wireless information, for example, there is a handy terminal. This handy terminal includes a radio signal transmitting / receiving antenna, and transmits / receives radio information via this antenna. Here, the configuration of a conventional handy terminal will be described with reference to FIGS.

2 and 3 are perspective views showing a built-in position of an antenna of a conventional handy terminal. First, the handy terminal 51 shown in FIG. 2 is provided with a display unit 511 for displaying various data such as commands and handling amounts on the surface by liquid crystal display or the like. Further, it is provided with an input unit 512 including a ten-key pad or the like capable of inputting commands and the like. Further, a rod antenna 513 for transmitting and receiving high-frequency wireless information is externally attached to the side surface of the handy terminal 51, and the rod antenna 513 rotates in the direction of arrow A so that the rod antenna 513 can be collected by the handy terminal 51. Has become.

The handy terminal 51 is configured to transmit / receive various information to / from the outside through the rod antenna 513 with such a configuration. Next, the handy terminal 52 shown in FIG. 3 is provided with a display unit 521 and an input unit 522, like the handy terminal 51 described in FIG. A protective cover 523 for protecting the display unit 521 and the input unit 522 is attached, and the protective cover 523 is rotatable in the arrow B direction. The protective cover 523 has a built-in loop antenna 524 for transmitting and receiving medium-wave radio information, and is connected to a circuit inside the handy terminal 52 via a rotation shaft of the protective cover 523 (not shown).

The handy terminal 52 is configured to transmit / receive various information to / from the outside via the loop antenna 524. Since these handy terminals 51 and 52 are configured so that the antennas 513 and 524 rotate, the contacts between the circuits inside the handy terminals 51 and 52 to which a large amount of current is applied and the antennas 513 and 524 are deteriorated. However, there is a problem that the life of the antenna is shortened.

[0006]

As described above, in the conventional wireless information processing apparatus, the main body and the antenna are rotated, so that the contact between the main body and the antenna is easily deteriorated and the life of the antenna is shortened. There was a problem of lowering.

Therefore, an object of the present invention is to provide a wireless information processing apparatus which eliminates the above-mentioned drawbacks and prevents the contact between the main body and the antenna from being deteriorated and the lifetime of the antenna from being shortened.

[0008]

In order to achieve the above object, the first invention is a wireless information processing apparatus for exchanging wireless information with an external medium, and instructing transmission of the information to the external medium. Equipped with instruction means. The transmitting antenna is
The information instructed by the instructing means is emitted. The receiving antenna receives information from the medium in response to radiation by the transmitting antenna. The processing means processes the information received by the receiving antenna. The display means displays the information processed by the processing means, and one of a connecting portion between the instructing means and the transmitting antenna and a connecting portion between the receiving antenna and the processing means has the same housing. The wireless information processing device is characterized in that it is immovably fixed in the body.

In order to achieve the above object, a second invention is
A wireless information processing device for exchanging wireless information with an external medium or terminal includes an instruction means for instructing transmission of information to the external medium or terminal. The transmitting loop antenna radiates the information instructed by the instructing means. The receiving loop antenna receives information from the medium or the terminal according to the radiation from the transmitting loop antenna. The processing means processes the information received by the receiving loop antenna. The display means
The information processed by the processing means is displayed, and one of the connecting portion between the instructing means and the transmitting loop antenna and the connecting portion between the receiving loop antenna and the processing means has the same housing. The wireless information processing device is characterized in that it is immovably fixed in the body.

In order to achieve the above object, a third invention is
A wireless information processing device for exchanging wireless information with an external medium includes an instruction means for instructing transmission of information to the external medium. The transmitting loop antenna radiates the information instructed by the instructing means. The receiving loop antenna receives information from the medium in response to radiation by the transmitting loop antenna. The processing means processes the information received by the receiving loop antenna.
The display means displays the information processed by the processing means, but the connecting portion between the instructing means and the transmitting loop antenna and the connecting portion between the receiving loop antenna and the processing means are provided in the same housing. In the wireless information processing apparatus, which is fixed immovably, the transmitting loop antenna and the receiving loop antenna are formed around the same axis.

In order to achieve the above object, a fourth invention is
A wireless information processing device for exchanging wireless information with an external medium or terminal includes an instruction means for instructing transmission of information to the external medium or terminal. The modulating means modulates the information instructed by the instructing means.
The transmitting loop antenna radiates the information modulated by the modulating means. The receiving loop antenna receives information from the medium or the terminal according to the radiation from the transmitting loop antenna. The demodulation means demodulates the information received by the receiving loop antenna. The processing means processes the information demodulated by the demodulation means. The display means displays the information processed by the processing means. Among the respective means, any one set of the modulation means and the transmission loop antenna, the reception loop antenna and the demodulation means is The wireless information processing device is characterized in that they are fixed so that they cannot move with each other.

In order to achieve the above object, a fifth invention is
In a wireless information processing device that exchanges wireless information with an external medium, a transmitting antenna that radiates information to the medium,
A receiving antenna that receives information from the medium in response to radiation from the transmitting antenna, and the transmitting antenna and the receiving antenna are fixed immovably from an initial position inside the main body of the wireless information processing apparatus. Is a wireless information processing device.

[0013]

In the wireless information processing device configured as described above,
Information is radiated from a transmission antenna based on an information transmission instruction from an instruction means to an external medium. A signal corresponding to the radiation is received from the medium via the receiving antenna, the received signal is processed by the processing unit, and the processed information is displayed on the display unit.

In this wireless information processing apparatus, the transmitting antenna or the receiving antenna is held in the same housing and cannot be moved from the initial setting state. It can prevent deterioration and shortening of life.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment according to the present invention will be described below with reference to the drawings. In this embodiment, a handy terminal will be described as an example of the wireless information processing apparatus. This handy terminal exchanges information with a wireless card.

First, a schematic structure of a handy terminal will be described with reference to FIG. FIG. 1 is a perspective view of a handy terminal according to an embodiment of the present invention. The handy terminal 1 includes a main body 2 and a carrying section 3, and a display 4 for displaying a liquid crystal is provided on the surface of the main body 2.

The display 4 displays various data relating to transmission and reception, and may be a backlight display or a plasma display.

At the lower part of the display 4 in the drawing, a keyboard 5 including a numeric keypad and the like is provided. The keyboard 5 is for transmitting a command for starting reading or writing of information or a command for editing write data to a wireless card described later.

A receiving loop antenna 6 is fixed around the display 4 of the main body 2. This antenna 6
Is built in without facing the surface of the main body 2 and receives radio waves from a wireless card.

Further, the carrying section 3 has
A handle portion 7 is formed so as to penetrate through the antenna, and the transmitting loop antenna 8 is provided along the inner diameter of the handle portion 7.
Has been fixed. The antenna 8 is built in without facing the surface of the carrying unit 3 and transmits a radio wave to a radio card.

Further, a terminal interface 9 is provided at the bottom of the main body 2 so that information such as read information, write information, date and time of the wireless card can be output and stored to the outside.

Next, the detailed structure of the handy terminal will be described with reference to FIG. FIG. 4 is a block diagram of a handy terminal according to an embodiment of the present invention.

The handy terminal 1 is equipped with the display 4, the keyboard 5, the receiving loop antenna 6, the transmitting loop antenna 8 and the terminal interface 9 as described with reference to FIG. The handy terminal 1 is controlled by the CPU 10.

The handy terminal 1 is also provided with a memory 11 including a ROM in which a control program is written and a RAM for data processing, and the CPU 10 performs processing by accessing the memory 11.

The CPU 10 is connected to the D / A converter 12. The D / A converter 12 generates a read command, a write command for the wireless card, and basic data of write information. This D / A converter 12
The output signal from is output to the modulator 13.

The modulator 13 modulates the output signal from the D / A converter 12 and outputs it. This output signal is output to the amplifier 14
Is output to. The amplifier 14 amplifies a signal to a predetermined level or higher required for transmission. The signal amplified here is radiated into the air through the above-described transmission loop antenna 8. The amplifier 14 and the transmission loop antenna 8 are provided without moving from the pre-connected initial state.

The receiving loop antenna 6 is an amplifier 1
The amplifier 15 amplifies the received signal to a predetermined level. The signal amplified by the amplifier 15 is output to the demodulator 16. In addition, this amplifier 1
5 and the receiving loop antenna 6 are provided without moving from the pre-connected initial state.

The demodulator 16 demodulates the signal from the amplifier 15 and outputs this signal to the A / D converter 17. The A / D converter 17 converts the signal from the demodulator 16 into A
/ D converted and output to the CPU 10. In CPU10,
Data processing of this signal is performed based on the program from the memory 11.

A power supply 18 for performing all operations of the handy terminal 1 is provided. Next, with reference to FIG. 5, the configuration of the wireless card for transmitting and receiving with the handy terminal will be described. FIG. 5 is a block diagram of a wireless card according to an embodiment of the present invention.

The wireless card 20 has a transmission / reception antenna 21 which is a loop antenna for transmitting / receiving data to / from the handy terminal 1. The signal received by the transmission / reception antenna 21 is divided into two systems and is sent to the rectifier circuit 22 on the one hand.

The rectifying circuit 22 obtains a power supply 23 for operating the wireless card 20 based on a signal from the transmitting / receiving antenna 21. The output from the rectifying circuit 22 is also output to the clock extracting circuit 24.

The clock extraction circuit 24 is used for the wireless card 20.
Generates a clock signal for operating the digital circuit of. The wireless card 20 performs various operations in synchronization with this clock signal.

The signal received by the transmission / reception antenna 21 is output to the demodulator 25 on the other hand. Demodulator 25
Is for demodulating the signal obtained from the antenna 21, and the signal demodulated here is the signal processing circuit 26.
Is output to.

Here, when the signal from the handy terminal 1 is a signal relating to the writing of information to the wireless card 20, the fetched signal is stored in the memory 27 connected to the signal processing circuit 26.

The memory 27 is composed of a ROM in which a control program for the wireless card 20 is written and a RAM for data processing. When the signal from the handy terminal 1 is a signal related to reading information from the wireless card 20, the signal processing circuit 26 reads the signal from the RAM of the memory 27 and connects the modulator 28.
Output to.

The modulator 28 modulates the signal output from the signal processing circuit 26 and outputs it to the amplifier 29. The amplifier 29 amplifies the signal to a predetermined level or higher required for transmission. The signal amplified here is radiated into the air through the transmitting / receiving antenna 21 described above.

The operation of the handy terminal 1 will be described with reference to FIGS. 1 and 4 to 6. Figure 6
FIG. 4 is a diagram showing the directivity of a loop antenna according to an embodiment of the present invention.

When reading the signal stored in the wireless card 20 from the handy terminal 1 of this embodiment, first, the keyboard 5 of the handy terminal 1 is operated to convert the signal including the read command into the D / A converter 12, It is radiated from the transmission loop antenna 8 via the modulator 13 and the amplifier 14.

Here, when the transmitting / receiving antenna 21 of the wireless card 20 is parallel to the transmitting loop antenna 8 of the handy terminal 1 (shown in FIG. 6), the magnetic lines of force are in the direction of the arrow when supplying current to the transmitting loop antenna 8. The directivity A can be obtained. Thus, the best communication is possible on the central axes of the loop antennas 8 and 21.

When the transmission / reception antenna 21 of the wireless card 20 receives the signal related to the read command, the information to be read is read from the memory 27 via the demodulator 25 and the signal processing circuit 26 in response to the trigger by the rectifier circuit 22. The information read here is the signal processing circuit 26,
The transmission / reception antenna 21 via the modulator 27 and the amplifier 29
Output from

The signal from the transmitting / receiving antenna 21 is received by the receiving loop antenna 6 of the handy terminal 1, processed by the CPU 9 through the amplifier 15, demodulator 16 and A / D converter 17, and displayed. 4 is displayed.

As described above, in the handy terminal 1 of the present invention, since the receiving loop antenna 6 and the transmitting loop antenna 8 are fixed so as not to move from the initial setting state, the antenna 6, It is possible to prevent the deterioration of the antenna 8 due to the movement of the antenna 8, and to prevent the life of the antenna from being shortened.

Furthermore, since the receiving loop antenna 6 and the transmitting loop antenna 8 do not overlap with each other, mutual interference of radio waves can be prevented, and good radio signal transmission / reception can be performed.

Another embodiment of the handy terminal according to the present invention will be described with reference to FIG. FIG. 7 is a perspective view of a handy terminal according to another embodiment of the present invention.

The handy terminal 30 is provided with a display 31 for displaying a liquid crystal. This display 31 displays various data relating to transmission / reception similarly to the display 4 of the handy terminal 1.
It may be a backlight display or a plasma display.

At the bottom of the display 31 in the drawing, a keyboard 32 including a numeric keypad is provided. Similar to the keyboard 5 of the handy terminal 1, the keyboard 32 is for sending commands to the wireless card to start reading and writing information, edit writing data, and the like.

Furthermore, at the bottom of the handy terminal 30,
A terminal interface 33 is provided, and information such as read information, write information, date and time with the wireless card can be output and stored to the outside.

Here, the receiving loop antenna 34 is built in and fixed around the display 31 without facing the surface, and the transmitting loop antenna 35 is
Built-in along the inner diameter of the housing of the handy terminal 30 and without facing the surface of the handy terminal 30,
Fixed.

The internal structure is the same as that shown in FIG. Since these antennas 34 and 35 are fixed, they are not affected by the circuit board or each component.
Further, since the antennas 34 and 35 are arranged on the same axis, the handy terminal 30 can be downsized.

As described above, in the wireless information processing apparatus of the present invention, the antenna is fixed and is constructed so as not to move from the initial setting state. It prevents the life from being shortened.

The present invention is not limited to the above embodiment, and the transmitting antenna and the receiving antenna may be arranged so as to circulate around the display or the keyboard, respectively. In this case, it is possible to provide a device that does not change the size of the wireless information processing device and prevents interference between radio waves.

[0052]

As described above, according to the present invention, it is possible to provide a wireless information processing apparatus which realizes the prevention of the deterioration of the contact between the main body and the antenna and the prevention of the reduction of the life of the antenna.

[Brief description of drawings]

FIG. 1 is a perspective view of a handy terminal according to an embodiment of the present invention.

FIG. 2 is a configuration diagram showing a built-in position of an antenna of a conventional handy terminal.

FIG. 3 is a configuration diagram showing a built-in position of an antenna of a conventional handy terminal.

FIG. 4 is a block configuration diagram of a handy terminal according to an embodiment of the present invention.

FIG. 5 is a block configuration diagram of a wireless card according to an embodiment of the present invention.

FIG. 6 is a diagram showing the directivity of a loop antenna according to an embodiment of the present invention.

FIG. 7 is a perspective view of a handy terminal according to another embodiment of the present invention.

[Explanation of symbols]

 1 Handy Terminal 6 Loop Antenna for Reception 8 Loop Antenna for Transmission 20 Wireless Card 21 Transmit / Receive Antenna 30 Handy Terminal 34 Loop Antenna for Reception 35 Loop Antenna for Transmission

Claims (5)

[Claims] 1. A wireless information processing apparatus for transmitting and receiving wireless information to and from an external medium, an instruction means for instructing transmission of information to the external medium, and a transmitting antenna for radiating the information instructed by the instruction means. A receiving antenna for receiving information from the medium in response to radiation from the transmitting antenna; processing means for processing information received by the receiving antenna; and display means for displaying the information processed by the processing means. And one of a connecting portion between the instructing means and the transmitting antenna and a connecting portion between the receiving antenna and the processing means is immovably fixed in the same housing. Wireless information processing device. 2. A wireless information processing apparatus for exchanging wireless information with an external medium or terminal, and an instruction means for instructing transmission of information to the external medium or terminal, and information indicated by the instruction means. A transmitting loop antenna for radiating, a receiving loop antenna for receiving information from the medium or the terminal in response to radiation by the transmitting loop antenna, and processing means for processing information received by the receiving loop antenna, A display unit for displaying the information processed by the processing unit; and a connection unit between the instruction unit and the transmission loop antenna and a connection unit between the reception loop antenna and the processing unit One of the wireless information processing devices is characterized in that one of them is immovably fixed in the same housing. 3. A wireless information processing device for exchanging wireless information with an external medium, for instructing means for transmitting information to the external medium, and for transmitting the information instructed by the instructing means. A loop antenna, a receiving loop antenna that receives information from the medium according to radiation from the transmitting loop antenna, a processing unit that processes information received by the receiving loop antenna, and a processing unit that processes the information. And a display unit for displaying the information, wherein the connecting unit between the instructing unit and the transmitting loop antenna and the connecting unit between the receiving loop antenna and the processing unit are immovably fixed in the same housing. Moreover, the transmitting loop antenna and the receiving loop antenna are formed around the same axis. Management apparatus. 4. A wireless information processing apparatus for exchanging wireless information with an external medium or terminal, and an instruction means for instructing transmission of information to the external medium or terminal, and information indicated by the instruction means. A modulating means for modulating, a transmitting loop antenna for radiating the information modulated by the modulating means, and a receiving loop antenna for receiving information from the medium or the terminal according to the radiation by the transmitting loop antenna, Demodulation means for demodulating the information received by the receiving loop antenna, processing means for processing the information demodulated by the demodulation means, and display means for displaying the information processed by the processing means, Among the respective means, the modulation means and the transmission loop antenna, the reception loop antenna and the demodulation hand A wireless information processing apparatus, wherein any one of the stages is fixed so as not to move with respect to each other. 5. A wireless information processing device for exchanging wireless information with an external medium, the transmitting antenna radiating information to the medium, and the receiving receiving information from the medium according to the radiation from the transmitting antenna. An antenna, wherein the transmitting antenna and the receiving antenna are fixed so as to be immovable from an initial position inside the main body of the wireless information processing apparatus.