JP2002111520A - Transceiver - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve such the problem that conventionally radio equipment is designed only for dialogue through voice calling, so that radio waves is intentionally transmitted by the active action of a speaker to a specified destination, and therefore a usage for transmission to unspecified destination in an urgent case is not taken into consideration. SOLUTION: An urgent calling button is depressed to scan a reception wave, in a receiving mode of within a range of communicable frequency, instead of inputting of machine switch such as a push-to-talk switch, and when a receiving wave is found, an emergency message for rescue which is recorded in advance (or incorporated fixed voice or acoustic signal reproduction) is added, in the same frequency together with the same tone. Such a transceiver is given a function for urgent calling, while still having a normal dialogue function, without making large changes in the circuit structure.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transceiver device having an unspecified emergency calling means for a transceiver.

[0002]

2. Description of the Related Art Conventionally, a conversation-centered radio apparatus for voice communication has been transmitting a radio communication object in order to intentionally transmit a radio wave by an active operation of a speaker. . Therefore, it has not been considered to use it for the purpose of transmitting while searching for an unspecified partner in an emergency.

[0003]

As described above, when used for the purpose of a call operation assuming conventional conventional conversation, no special function for starting a transmission operation is added, and Since transmission (contact) is performed only by an action intended to be transmitted by the owner, an operation that assists the caller's consciousness of transmission has not been considered.

[0004] Transceivers are often used for leisure purposes, and may be used outside public wireless telephone service areas. Therefore, since it is effective as a means of contact in such places, it can be a more effective tool by adding a function to automatically search for a call partner and seek help in an emergency, but it has not been realized until now .
SUMMARY OF THE INVENTION The present invention solves the above-described problems, and easily realizes operation switching between a normal telephone call operation and a communication device operation that starts an automatic transmission operation in response to an intention of the owner to start transmission in an emergency. It is another object of the present invention to provide a transceiver device having emergency calling means.

[0005]

According to the present invention, a normal call function has a function of automatically switching between a frequency and a tone frequency to search for a received (sensation) signal, and further automatically transmits at the searched frequency. A transceiver device having an emergency transmission control function, which is provided with a function to perform the transmission in an appropriate manner and can be used by being switched for each application.

According to the present invention, it is possible to obtain a highly convenient transceiver device that can be used for ordinary telephone calls and unspecified calls in an emergency.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention according to claim 1 of the present invention provides a microphone for taking in surrounding sounds as an audio input signal, an amplifier for amplifying the audio input signal, and an emergency signal generating circuit for generating an emergency signal. A modulation circuit for transmitting sound to radio waves, a transmission unit for emitting the modulated waves as radio waves, an antenna, a reception unit for receiving a signal and outputting a determination signal of the presence or absence of reception based on the signal level intensity, and a transmission frequency A frequency oscillation control unit for controlling the reception frequency and the frequency of the tone signal, a switch for instructing the emergency call mode, and a frequency oscillation control means for controlling the frequency oscillation control means upon detecting an instruction for the emergency call mode from the switch. And the frequency of the tone signal are sequentially switched, and the presence or absence of a signal is detected by the receiving unit. When the presence of the signal is detected, the transmission frequency and tone corresponding to the received frequency are detected. A transceiver device provided with control means for controlling a signal output from the emergency signal generation circuit to be transmitted from the transmission unit at the frequency of the emergency signal, that is, an emergency call function is added to a transceiver that performs a normal call. When the user presses the emergency call button and scans in the reception mode within the communicable frequency range without detecting a mechanical switch input such as a push-to-talk switch (hereinafter referred to as a PTT switch) and finds a received radio wave, It has a function of transmitting an emergency message for rescue which has been recorded in advance (or a built-in fixed voice or an acoustic signal is reproduced) at the same frequency and to which the same tone is added. ) The function and the emergency call function add control procedures without major circuit changes, and the message signal An effect that is achieved by adding a raw part.

According to a second aspect of the present invention, there is provided a microphone for taking in surrounding sounds as an audio input signal, an amplifying section for amplifying the audio input signal, an emergency signal generating circuit for generating an emergency signal, A modulation circuit for transmitting the modulated wave, a transmission unit for emitting the modulated wave as a radio wave, an antenna,
A receiving unit that receives a signal and outputs a determination signal of the presence or absence of reception based on the signal level strength, a transmission frequency, a reception frequency, a frequency oscillation control unit that controls a frequency of a tone signal,
When a switch for instructing the emergency call mode and an instruction for the emergency call mode from the switch are detected, the frequency oscillation control means is controlled to sequentially switch the reception frequency, and the presence / absence of a signal is detected by the reception unit, and the presence of a signal is detected. Then, the frequency of the tone signal is switched to the reception frequency in sequence and the presence / absence of the signal is detected by the reception unit. When the presence of the signal is detected, the emergency signal generation circuit uses the transmission frequency and the frequency of the tone signal corresponding to the reception frequency. A transceiver device having a control means for controlling an output signal to be transmitted from a transmission unit, for a person who is in a communicable range and uses a same frequency band but has a different channel but is able to communicate by an unspecified person. Signals for rescue can be oscillated, and reception is performed in advance to reduce battery consumption and make long-term emergency calls It has the effect of allowing the work.

According to a third aspect of the present invention, in the transceiver device according to the first or second aspect, when the transmitting section generates an emergency signal and the receiving section detects the presence of reception, the frequency oscillation control means. The transmission / reception frequency and tone signal frequency are fixed, and a signal that seeks rescue for an unspecified person who is in the communicable range but uses the same frequency band but uses the same frequency band is available. It has the effect of ensuring operation.

According to a fourth aspect of the present invention, in the transceiver device according to the first or second aspect, the emergency signal generating circuit is a voice recording / reproducing circuit for recording and reproducing voice. Since it is possible to store the voice to be called when making an emergency call, it has an effect that the emergency call can be made effectively.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1) FIG. 1 shows an emergency call function provided with an emergency signal generating circuit comprising a voice recording / reproducing unit for storing a voice to be called when making an emergency call according to Embodiment 1 of the present invention. FIG. 2 is a block circuit diagram of an added transceiver device, FIG. 2 is a block circuit diagram of a transceiver device provided with an emergency signal (fixed signal) generating circuit according to the first embodiment of the present invention and added with an emergency call function, and FIGS. 3 is an operation flowchart of the transceiver device.

As shown in FIGS. 1 and 2, the transceiver device according to the first embodiment of the present invention performs a voice input microphone 1, a voice amplifier 2 for modulation, and an emergency call shown in FIG. An emergency signal generating circuit 3a comprising a voice recording / reproducing unit for storing a voice to be called when performing, or FIG.
, A voice recording switch 4 for operating a voice recording / reproducing function, an emergency call mode switch 5 for operating an emergency call mode in an emergency, and manual transmission. A PTT switch 6, a control circuit 7 for deciding an operation state of transmission and reception based on the input of each of the voice recording switch 4, the emergency call mode switch 5, and the PTT switch 6, and a frequency control of radio waves used for reception and transmission And a frequency oscillation control unit 8 for generating and detecting a tone frequency;
An oscillation modulator 9 for performing oscillation of a transmission frequency and modulating with a voice signal and a tone signal under the control of the frequency oscillation controller 8, a transmission power amplifier 10 for amplifying a signal from the oscillation modulator 9, transmission and reception A transmission control switch 11 for selecting the operation of the above and also switching the power supply, an antenna switch 12 for switching the antenna between the use states of transmission and reception, reception of a reception frequency under the control of the frequency oscillation control unit 8, detection of a tone frequency, and a signal thereof. A receiving unit 13 for outputting a determination signal of the presence or absence of reception based on the level intensity; an antenna 14 for transmission or reception; a power supply circuit 15;
And a power supply 17.

The case of the normal operation of the transceiver device configured as described above will be described. First, when the user turns on the power switch 16, the transceiver device enters a reception standby state. The reception frequency and tone frequency at this time are set by a general operation method, and the output of the frequency oscillation control unit 8 causes the oscillation modulation unit 9 and the reception unit 13 to function.

In a normal operation, the input signal from the microphone 1 is amplified by the audio amplifier 2 by turning on the PTT switch 6. The amplified audio signal is connected to the input terminal of the oscillation modulation unit 9, is modulated at the same time as the tone signal, is amplified as a modulated wave by the transmission power amplification unit 10 in the next stage, and is output from the antenna 14 via the antenna switch 12. . In the case of reception, a radio wave entering the antenna 14 is received by the reception unit 13 by the antenna switch 12 and an acoustic output is obtained.

Here, the case of the emergency call mode operation in the transceiver device provided with the emergency signal generation circuit 3a comprising the voice recording / reproducing unit for storing the voice to be called when making the emergency call of FIG. 1 will be described.

First, by turning on the voice recording switch 4, a voice for calling is recorded in the emergency signal generating circuit 3a comprising a voice recording / reproducing unit. If this recording operation is not performed, the recording state is realized instead of the rescue message incorporated in advance. In this state, the normal operation is also possible. When an automatic operation is required, such as when the body becomes inflexible due to urgency, turning on the emergency call mode switch 5 starts the following scanning operation shown in the flowchart of FIG.

First, the first frequency selection (channel 1:
CH1) sets the first frequency of the tone (tone 1) and performs reception. If there is no signal, the tone frequency is sequentially increased (tone 2 → tone 3...) To the highest tone frequency (tone n). If reception is not successful even after reception, the tone frequency is returned to the beginning (tone 1), the transmission frequency (channel) is increased by one (channel 2: CH2), and reception is performed by changing the tone frequency in the same manner. . This operation is called the highest transmission frequency (channel m: CH
m), and if reception is not possible, it repeats from the beginning (CH1, tone 1) after an interval.

When the signal is successfully received during this receiving operation, the transmission is performed after the radio wave is interrupted, using the frequency (CH) and tone number (frequency) settings at that time. At this time, the transmission operation is performed using the voice recorded in the emergency signal generating circuit 3a having the voice recording / reproducing unit as a modulation signal. After the transmitting operation, when the receiving unit 13 detects the reception, the scanning operation is stopped.

In the emergency call mode operation in the transceiver provided with the emergency signal (fixed signal) generating circuit 3b shown in FIG. 2, the voice signal is not recorded, but the characteristic sound for which rescue is required is signal pattern. The scanning operation is performed by using this as a modulation signal to continue the emergency call mode.

The following scanning operation shown in the flowchart of FIG. 4 is performed as follows. First, reception is performed by ignoring the tone frequency from the first frequency selection (channel 1: CH1), and only the presence or absence of a radio wave is searched. The received frequency is fixed, the first frequency of the tone (tone 1) is set and reception is performed, and the tone frequency is sequentially increased (tone 2).
→ Tone 3...) The tone frequency is raised to the highest tone frequency (tone n), and if reception is not possible, the tone is ignored and the process returns to the scan operation of raising the transmission frequency (channel) by one. This operation is repeated up to the highest transmission frequency (channel m: CHm). If reception is not possible, the operation is repeated from the beginning (CH1, tone ignoring) after a while.

If the reception is successful during this reception operation, the transmission is performed after the radio wave is interrupted, using the frequency (CH) and tone number (frequency) settings at that time. At this time, the transmission operation is performed using the voice recorded in the emergency signal generation circuit 3a having the voice recording / reproducing unit as a modulation signal.

As a result, an emergency calling operation can be performed in a shorter time.

Similarly to the above, in the case of the emergency call mode operation in the transceiver apparatus shown in FIG. 2, the recording of the voice signal is not performed, but the characteristic sound for rescue is incorporated in the emergency signal generating circuit 3b as a signal pattern. Using this as a modulation signal, the scanning operation is performed and the emergency call mode is continued.

[0025]

As is apparent from the above description, according to the present invention, by pressing a specific button in an emergency, holding of a PTT switch for selecting or transmitting a frequency or tone frequency, and seeking rescue. It does not require a message (real voice) and can oscillate a signal asking for help for an unspecified and communicable person using the same frequency band but different channels but within the communicable range. Also,
By performing the reception in advance, the consumption of the battery is reduced, and a long-time emergency call operation is enabled, and the effect is great.

[Brief description of the drawings]

FIG. 1 is a block diagram of a transceiver device including an emergency signal generating circuit including a voice recording / reproducing unit for storing a voice to be called when an emergency call is performed according to a first embodiment of the present invention and having an emergency call function added thereto;

FIG. 2 is an emergency signal (fixed signal) according to the first embodiment of the present invention.
Block diagram of a transceiver device provided with an emergency call function with a generating circuit

FIG. 3 is an operation flowchart of the transceiver device.

FIG. 4 is an operation flowchart of the transceiver device.

[Explanation of symbols]

 Reference Signs List 1 microphone 2 audio amplifier 3a emergency signal generator 3b emergency signal (fixed signal) generator 4 voice recording switch 5 emergency call mode switch 6 PTT switch 7 controller 8 frequency oscillation controller 9 oscillation modulator 10 transmission power amplifier 11 Transmission control switch 12 Antenna switch 13 Receiver 14 Antenna 15 Power supply circuit 16 Power switch 17 Power supply

Claims (4)

[Claims] A microphone for taking in surrounding sounds as a sound input signal, an amplifier for amplifying the sound input signal, an emergency signal generating circuit for generating an emergency signal, a modulation circuit and a modulation wave for transmitting the sound to a radio wave. A transmitting unit for emitting as a radio wave, an antenna, a receiving unit for receiving a signal and outputting a determination signal based on the signal level strength, and a frequency oscillation for controlling a transmitting frequency, a receiving frequency, and a frequency of a tone signal A control unit, a switch for instructing an emergency call mode, and detecting an emergency call mode instruction from the switch, controlling the frequency oscillation control means to sequentially switch a reception frequency and a tone signal frequency, and The presence / absence of a signal is detected, and when the presence of a signal is detected, the emergency signal is transmitted at the transmission frequency and tone signal frequency corresponding to the reception frequency. Transceiver unit, wherein a signal output from the generator circuit comprising a control means for controlling so as to deliver from the delivery unit. 2. A microphone for taking in surrounding sounds as an audio input signal, an amplifier for amplifying the audio input signal, an emergency signal generation circuit for generating an emergency signal, a modulation circuit for putting the audio on a radio wave, and a modulation wave. A transmitting unit for emitting a signal as a radio wave, an antenna, a receiving unit for receiving a signal and outputting a determination signal based on the signal level strength thereof, and a frequency for controlling a transmission frequency, a reception frequency, and a frequency of a tone signal. An oscillation control unit, a switch for instructing an emergency call mode, and when detecting an emergency call mode instruction from the switch, controls the frequency oscillation control means to sequentially switch a reception frequency to determine whether a signal is received by the reception unit. Is detected, and when the presence of a signal is detected, the frequency of the tone signal is sequentially switched by fixing to the reception frequency, and the presence or absence of a signal is detected by the reception unit. Control means for detecting the presence of a signal, and controlling the transmission section to transmit a signal output from the emergency signal generation circuit at a transmission frequency and a tone signal frequency corresponding to the reception frequency. And transceiver device. 3. The transmission / reception frequency and tone signal frequency are fixed by the frequency oscillation control means when the reception section detects the presence of reception after the transmission section generates an emergency signal. Transceiver equipment. 4. The emergency signal generating circuit according to claim 1, wherein said emergency signal generating circuit is a voice recording and reproducing circuit for recording and reproducing voice.
Or the transceiver device according to claim 2.