JP3024038B2 - Wireless transceiver - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a semi-duplex radio transceiver which performs transmission and reception by switching between a transmission frequency and a reception frequency in communication using the same communication channel number. The present invention relates to a wireless transceiver having a channel number display, an identification display for identifying a communication partner and the self, an identification display for recognizing the self-display, and a communication display for displaying a direction of communication.

[0002]

2. Description of the Related Art For example, as shown in FIG.
And at the time of reception, the output from the antenna 1 is supplied to the high-frequency amplifier 4 for amplification, and the amplified output and the transmission output from the voltage controlled oscillator 7 are supplied to the mixer 5 to be frequency-mixed. The intermediate frequency signal is supplied to an intermediate frequency amplifier 6 for amplification, and the amplified intermediate frequency signal is output to a demodulator for reception. In transmission, the transmission output of the voltage controlled oscillator 7 is used as a carrier wave. Is supplied to the modulator 9 to modulate the carrier with the signal wave, the modulated signal is amplified by the high frequency amplifier 10, and the amplified modulated signal is guided to the antenna 1 via the transmission / reception switch 3 and transmitted. I have. Here, reference numeral 8 denotes a receiving unit, and reference numeral 11 denotes a transmitting unit.

On the other hand, a control circuit 12A including a microcomputer is provided. The control circuit 12A outputs an instruction from a communication channel number instruction switch 13, an instruction output from an A / B instruction switch 14, and an instruction from a transmission / reception instruction switch 15. Upon receiving the output, switching control for switching the transmission / reception changeover switch 3 to the transmission side or the reception side is performed, and the oscillation frequency of the voltage controlled oscillator 7 is controlled to the reception frequency corresponding to the designated communication channel number or the oscillation frequency corresponding to the transmission frequency. Frequency control is performed to control the display 16A to display the communication channel number instructed, and control is performed to display {A} or {B} on the display 16A. Here, {A} and {B} are identifications for identifying the communication partner and the self, and it does not matter whether {A} is the self or {B} is the self.

In the above-mentioned conventional radio transceiver, 4
Taking the 30 MHz band as an example, the communication frequency is defined as shown in Table 1.

[0005]

[Table 1]

For example, when communication is performed using the communication channel number {2}, if the {A} side is transmitting, {A}
On the {} side, an instruction for the {A} side, a transmission instruction, and a communication channel number {2} are issued, and the frequency 4
Transmission is performed at 21.8250 MHz. In this case 〃
The display 16A on the A $ side displays a communication channel number {2} and a display indicating that it is on the {A} side. on the other hand,
When the {B} side is receiving, the {B} side issues an instruction of the {B} side, an instruction of reception, and an instruction of the communication channel 2, and can receive a signal with a frequency of 421.8250 MHz. Done. In this case, the display 16A on the {B} side displays the communication channel {2} and {B}.
An indication that the player is on the 〃 side is displayed. Conversely, when the {B} side is transmitting and the {A} side is receiving, communication is performed at 440.2750 MHz. There is no change in the display in this case. As described above, the semi-duplex radio transceiver is configured to switch between transmission and reception by making the transmission frequency and the reception frequency different in communication using the same communication channel number.

[0007]

However, in the above-mentioned conventional radio transceiver, when communication is performed, the following problem is encountered.
On the {B} side and the {B} side, the communication channel numbers for communication before communication are determined mutually. In this case, for example, if it is determined that communication is to be performed using the communication channel {2}, the {B} side of the communication channel {2} can communicate with the {A} side of the communication channel {2}. At this time, the display on the display shows the communication channel number and
Only A〃 or {B} was displayed. However, in the case of an operator who is unfamiliar with the duplex operation, the display on the {A} side and the {B} side indicates {2}, 〃A〃
, The transmission frequencies are both 421.82.
It is set to 50 MHz and the reception frequency is both 440.27
There is a problem that the transmission frequency and the reception frequency are set to be 50 MHz, and communication cannot be performed due to the difference.

[0008] The present invention solves the above-mentioned problems and displays the communication partner side and the direction of the communication by providing
It is an object of the present invention to provide a wireless transceiver having a display that can be easily operated even by an operator unfamiliar with half duplex communication operation.

[0009]

SUMMARY OF THE INVENTION A radio transceiver according to the present invention provides a semi-duplex radio transceiver which performs transmission and reception by switching between a transmission frequency and a reception frequency in communication using the same communication channel number. A channel number indicating means for indicating a communication channel number; an identification display indicating means for instructing identification of a communication partner and itself;
Communication means for displaying a communication channel number display section, a communication partner / self identification display section, a communication direction display section for the communication partner side, and a recognition display section for recognizing the self identification display; Causing the communication channel display section to display the channel number designated by the channel number designation means,
The communication direction display unit performs the communication direction display from the identification display of the self indicated by the identification display instruction means to the identification display of the communication partner, and causes the identification display unit to display the identification of the self indicated by the identification display instruction means. Display control means for performing recognition display on the display.

In the wireless transceiver according to the present invention, the recognition display section is a frame display selectively surrounding the identification display section under the control of the display control means.

[0011]

In the radio transceiver according to the present invention, under the control of the display control means, the display of the channel number designated by the communication channel number indication means is performed on the communication channel display section, and the indication is made by the identification display instruction means. The communication direction display from the self-identification display to the communication partner's identification display is performed on the communication direction display section, and the recognition display is performed on the self-identification display indicated by the identification display instruction means on the recognition display section. . Therefore, even an operator who does not understand the half-duplex communication is less likely to make a mistake that the communication cannot be performed by erroneously setting each other.

[0012]

The present invention will be described below with reference to examples. FIG.
FIG. 1 is a block diagram showing a configuration of an embodiment of the present invention.

The radio transceiver according to the present embodiment includes a receiving unit 8, a transmitting unit 11, and a control unit 20. The receiving unit 8 and the transmitting unit 11 are configured in the same manner as in the conventional example. The antenna 1 is connected to the transmission / reception switch 3, and during reception, the output from the antenna 1 is supplied to the high frequency amplifier 4 for amplification, and the amplified output and the transmission output from the voltage controlled oscillator 7 are supplied to the mixer 5. The frequency is converted into an intermediate frequency signal by mixing, and the intermediate frequency signal is supplied to and amplified by the intermediate frequency amplifier 6, and the amplified intermediate frequency signal is output to the demodulator.
At the time of transmission, the transmission output of the voltage controlled oscillator 7 is supplied to the modulator 9 as a carrier, and the carrier is modulated by a signal wave.
The modulated signal is amplified by the high-frequency amplifier 10 and the amplified modulated signal is transmitted to the antenna 1 via the transmission / reception switch 3.
To be transmitted.

On the other hand, the control unit 20 of the wireless transceiver in this embodiment includes a control circuit 12 including a microcomputer.
It has. The control circuit 12 includes a memory (not shown) in which the oscillation frequency control voltage data of the voltage controlled oscillator 7 corresponding to Table 1 is stored.

Further, the control circuit 12 receives the instruction output from the communication channel number instruction switch 13, the instruction output from the A / B instruction switch 14, and the instruction output from the transmission / reception instruction switch 15, and switches the transmission / reception switch 3 Transmission / reception switching control means 121 for performing switching control for switching to a transmission side or a reception side, and a VCO oscillation frequency control for controlling an oscillation frequency of the voltage controlled oscillator 7 to a reception frequency corresponding to the designated communication channel number or an oscillation frequency corresponding to the transmission frequency. Means 122, display of the designated communication channel number,
Based on an instruction from the A / B instruction switch 14, a frame display enclosing the {A} display or the {B} display with a frame, the display of {B} or {A} of the communication partner, and the direction to the communication partner, that is, the direction of the communication. A display control unit 123 for causing the display 16 to display an arrow indicating the instruction is functionally provided.

The display 16 has a channel number display section 161 for displaying a communication channel number, identification display sections 162 and 163 for displaying {A} and {B}, and a recognition display section for recognizing the identification display. There are provided frame display sections 164 and 166, and a communication direction display section 165 for displaying a communication direction to a communication partner. Here, the display of {A} and {B} is a display for discriminating the self and the communication partner, and the frame display is an identification display for discriminating the self and the communication partner.

The transmission / reception switching control means 121 sets the transmission / reception switching switch 3 on the transmission (Tx) side when a transmission instruction is issued and on the reception (Rx) side when a reception instruction is issued, based on the instruction output of the transmission / reception instruction switch 15. Switch.

The VCO oscillation frequency control means 122 outputs a communication channel number based on the command channel number output by the communication channel number command switch 13, the command output of the A / B command switch 14, and the command output of the transmission / reception command switch 15. The oscillation frequency control voltage data corresponding to the transmission / reception frequency is read from the memory so as to perform transmission and reception at the frequencies shown in Table 1 based on the instruction, the A / B instruction, and the transmission / reception instruction. Supplied,
Oscillation is performed at a frequency corresponding to the oscillation frequency control voltage data.

The transmission / reception switching control means 121 and the VCO oscillation frequency control means 122 are the same as in the conventional case. Therefore, the designated communication channel number output by the communication channel number designation switch 13 and the A / B designation switch 14
The transmission and reception are performed based on the instruction output of the transmission / reception instruction switch 15 as in the conventional case. For example, communication channel numbers {2}, {A}
When the transmission is instructed, the transmission / reception switch 3 is switched to the transmission side, and the transmission frequency is controlled from the memory to the oscillation frequency 421.8250 MHz corresponding to the oscillation frequency 421.8250 MHz specified by the communication channel numbers {2} and {A}. The data is read and supplied to the voltage-controlled oscillator 7, which oscillates at an oscillation frequency of 421.8250 MHz, and a carrier wave of the oscillation frequency is modulated by a signal wave and transmitted. Similarly, when the {B} side is instructed, transmission is performed at a frequency of 440.2750 MHz. The same applies when another communication channel number is designated.

Similarly, for example, communication channel number $ 2
On the {, {A} side, when reception is instructed, the transmission / reception change-over switch 3 is switched to the reception side to receive from the memory,
The oscillation frequency control data specified by the communication channel numbers {2} and {A} is read and supplied to the voltage controlled oscillator 7, and the voltage controlled oscillator 7
Oscillate at a frequency corresponding to 0.2750 MHz,
Reception at a frequency of 440.2750 MHz is performed. 〃B
The same applies when the 〃 side is designated, and the frequency 421.
8250 MHz reception is performed. The same applies when another communication channel number is designated.

The display control means 123 is based on the command communication channel number output by the communication channel number command switch 13 and the command output of the A / B command switch 14.
Display of communication channel number on display 16, {A}
Display or {B} display frame display, communication partner〃
The display of B # or {A} and the display of the arrow indicating the communication direction are controlled. For example, the frame display and the arrow display are performed by selectively lighting a light emitting frame, and the arrow display is also performed by selectively lighting a right direction light emitting arrow and a left direction light emitting arrow.

Next, the display on the display 16 will be described. Communication channel number designated by communication channel number designation switch 13, A / B designation switch 1
The display control means 123 controls the frame display and the communication direction display based on the instruction by the user 4.

When the designated communication channel number is 2, and the instruction from the A / B instruction switch 14 is {A}, under the control of the display control means 123, as shown in FIG. The channel number display section 161 displays the communication channel number {2}, the frame of the frame display section 164 surrounding the display of {A} is controlled to emit light, and further surrounds the display of the communication partner {B}. The frame display of the frame display section 166 is controlled to be turned off, the arrow of the communication direction display section 165 indicating the right direction in FIG. 2A as the communication direction is controlled to emit light, and the display of {A} is set to the frame. , The display of {B} is not surrounded by a frame, an arrow from {A} to {B} is displayed, and the communication channel number of the wireless communication device is {2}.
Is displayed, that {A} is instructed, that the communication partner is {B}, and that communication to {B} is possible. This display is irrelevant to the transmission / reception instruction.

Now, the designated communication channel number is
2}, when the instruction from the A / B instruction switch 14 is {B}, the channel number display section 16 is controlled under the control of the display control means 123 as shown in FIG.
1 displays {2} as the communication channel number,
The frame of the frame display section 166 surrounding the display of {B} is controlled to emit light, and the frame of the frame display section 164 surrounding the display of {A} of the communication partner is controlled to be turned off. In (b), the arrow of the communication direction display section 165 indicating the left direction is controlled to emit light, and the display of {B} is surrounded by a frame, the display of {A} is not surrounded by a frame, and the display of {B} starts from {B}. An arrow pointing to {A} is displayed, indicating that the radio communication device is communicating with the communication channel number {2}, {B} is instructed, and the communication partner is {A}. , 〃
It is displayed that communication to A # is possible. This display is irrelevant to the transmission / reception instruction.

As shown in FIGS. 2C and 2D. {A}, {B}, the frame display and the display of the arrow may be displayed in a picture pattern. In short, any display may be used as long as the radio transceiver can recognize the setting of {A} or {B} and the direction to the communication partner.

Table 1 showing the frequencies is an example.

Here, an example of communication will be described. In the case where communication is performed between the {A} side and the {B} side using channel number {2}, the {A} side is the transmitting side and the {B} side is the receiving side. In the case of the {A} side, the channel number {2} is instructed by the communication channel number instructing switch 13, {A} is instructed by the A / B instructing switch 14, and transmission is instructed by the sending / receiving instructing switch 15. On the B # side, the channel number {2} is instructed by the communication channel number instructing switch 13, {B} is instructed by the A / B instructing switch 14, and reception is instructed by the sending / receiving instructing switch 15. In response to this instruction, the display shown in FIG. 2A is displayed on the {A} side on the display 16 to indicate that communication with the {B} side is possible, and the display shown in FIG. 2A is displayed. A message is displayed on the device 16 indicating that communication with the {A} side is possible, and communication at 421.8250 MHz can be performed.

[0028]

As described above, according to the present invention, under the control of the display control means, the display of the channel number designated by the communication channel number designating means is performed by the communication channel display section, and the identification display is performed. The communication direction display section displays the communication direction from the self-identification indication instructed by the instruction means to the identification display of the communication partner, and the self-identification indication instructed by the identification display instructing means in the recognition display section. Since the recognition display is performed by the user, there is an effect that even an operator who does not understand the semi-duplex communication method is less likely to make an error that the communication cannot be performed by erroneously setting each other.

Further, when the recognition display section is a frame display surrounding the identification display, there is an effect that the display is simple and the recognition of the identification display is easy.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of a wireless transceiver according to an embodiment of the present invention.

FIG. 2 is a diagram showing a display example of a display device in the wireless transceiver according to one embodiment of the present invention.

FIG. 3 is a block diagram illustrating a configuration of a conventional wireless transceiver.

[Explanation of symbols]

 13 Communication Channel Number Indication Switch 14 A / B Indication Switch 15 Transmission / Reception Indication Switch 12 Control Circuit 16 Display 121 Transmission / Reception Switching Control Means 122 VCO Oscillation Frequency Control Means 123 Display Control Means 161 Channel Number Display Sections 162 and 163 Identification Display Section 164 and 166 frame display section 165 communication direction display section

Claims (2)

(57) [Claims] 1. A channel number designating means for designating a communication channel number in a semi-duplex wireless transceiver which performs transmission and reception by switching between a transmission frequency and a reception frequency in communication using the same communication channel number. An identification display instructing means for giving an instruction for identification of the communication partner and the self, a communication channel number display unit, an identification display unit of the communication partner and the self, a communication direction display unit for the communication partner side, Display means having a recognition display unit for recognizing the self-identification display; and causing the communication channel display unit to display the channel number designated by the communication channel number designation means. The communication direction display section displays the communication direction from the self-identification display to the communication partner's identification display, and the recognition display section is instructed by the identification display instruction means. Wireless transceiver, wherein the display control means to perform recognition display to identification of self, further comprising were. 2. The wireless transceiver according to claim 1, wherein
A wireless transmitter / receiver, wherein the recognition display section is a frame display selectively surrounding the identification display section under the control of the display control means.