JP2019118041A - Wireless receiver and reception method thereby - Google Patents

Abstract

To provide a wireless receiver with low risk that workers will not hear audio, and a reception method thereby.SOLUTION: A wireless receiver 1 includes a receiving device 102 that receives a transmission signal indicating transmission information including at least audio and outputs an activation signal when the transmission signal is determined to be transmitted to a transmission target device, an arithmetic device 103 that transitions from the pause state to the activation state and outputs a normal vibration signal over a first vibration period in response to an input of the activation signal, and outputs an audio signal indicating audio included in the transmission information corresponding to the transmission signal to be input via the receiving device after the first vibration period has elapsed, a vibrator 107 that receives the normal vibration signal and vibrates over the first vibration period, an audio output device 106 that outputs an audio corresponding to the audio signal, and a housing that accommodates the receiving device 102, the arithmetic device 103, the vibrator 107, and the audio output device 106, and that vibrates according to the vibration of the vibrator.SELECTED DRAWING: Figure 3

Description

  The present disclosure relates to a wireless receiver and a method of receiving the same.

  In order to ensure the safety of the work at the place accompanied by the train passing, radio communication is used to communicate or signal the passing state to a worker involved in the work from a supervisor who monitors the passing state of the train. For example, a wireless receiver for train approach warning is known which notifies a worker who carries out track maintenance work of a railroad track. The worker carries a wireless receiver during work and movement to receive communications or signals from the wireless transmitter of the surveillance personnel. In Patent Document 1, for example, a wireless receiver is attached to a lower end portion of a helmet via a holder so that the wireless receiver is located near the ear so that the worker can easily hear the voice from the monitoring worker. Wearing is disclosed.

JP, 2013-150174, A

  However, as shown in Patent Document 1, even when the wireless receiver is mounted so as to be located near the worker's ear, the worker can not hear the voice emitted by the wireless receiver due to noise and the like accompanying the work. There is a case. In addition, the worker may miss the voice emitted by the wireless receiver mounted so as to be located near the worker's ear so much that the worker concentrates on the work.

  The present invention has been made to solve such a problem, and an object of the present invention is to propose a wireless receiver and a method of receiving the same that are less likely to cause workers to miss audio.

  In order to achieve the above object, a wireless receiver according to the present invention receives a transmission signal indicating transmission information including at least voice, and determines that it is a transmission target device to which the transmission signal is to be transmitted. In response to the receiving device that outputs and the start signal being input, the state shifts from the pause state to the start state where more processing than the pause state can be executed, and the normal vibration signal is output over the first vibration period. And, after the elapse of the first vibration period, an arithmetic device for outputting an audio signal indicating a voice included in the transmission information corresponding to the transmission signal input via the receiving device, and the normal vibration signal being input. A vibrator that vibrates over a vibration period, an audio output device that outputs a sound corresponding to an audio signal, a receiving device, an arithmetic unit, a vibrator, and an audio output device are accommodated and vibrated according to the vibration of the vibrator. And the case Characterized in that it is a radio receiver that.

  Furthermore, in the wireless receiver according to the present invention, it is preferable that the computing device further output the normal vibration signal to the vibrator over the second vibration period after the sound signal is output.

  Furthermore, in the wireless receiver according to the present invention, when the computing device determines that the sound included in the transmission information is silence for a predetermined silence detection period, the vibrator generally receives the sound during the third vibration period. It is preferable to further output a vibration signal.

  Furthermore, in the wireless receiver according to the present invention, it is preferable that the computing device shifts from the start state to the pause state after the third vibration period has elapsed.

  Furthermore, in the wireless receiver according to the present invention, the transmission information further includes end call information indicating that transmission of the transmission signal is ended, and the arithmetic device is configured to perform at least two end calls during a predetermined end detection time. When the information is detected, the emergency vibration signal is output to the vibrator for the fourth vibration period, and the vibrator receives the normal vibration signal for the fourth vibration period when the emergency vibration signal is input. Preferably, it vibrates in a form different from that when it is made.

  Furthermore, in the wireless receiver according to the present invention, the transmission report further includes emergency code information indicating that the transmission is an emergency transmission, and the arithmetic device generates an emergency vibration signal as a vibrator when the emergency code is detected. It is preferable that the vibration is outputted over the vibration period, and the vibrator vibrates in a form different from the time when the normal vibration signal is inputted during the fourth vibration period when the emergency vibration signal is inputted.

  The wireless reception method according to the present invention receives a transmission signal indicating transmission information including at least voice, and outputs an activation signal when it is determined that the transmission signal is a transmission target device to which the transmission signal is transmitted; In response to the input of the first vibration period, the normal vibration signal is output over the first vibration period, and transition is made from the hibernation state to a start state in which more processes can be executed than in the hibernation state. Outputting a voice signal indicating a voice included in the transmission information corresponding to the received transmission signal after the lapse, and a step of vibrating the case over the first vibration period when a normal vibration signal is input; Outputting a voice corresponding to the voice signal.

  The wireless receiver according to the present invention can reduce the possibility that the worker wearing the wireless device misses the voice.

It is a figure explaining an outline of a radio receiver concerning the present invention, and its receiving method. It is a figure showing an example of the appearance outline of a radio receiver. (A) is a perspective view showing the appearance, (b) is a plan view as viewed from the direction of arrow A of (a), (c) as viewed from the direction of arrow B of (a) FIG. It is a block diagram which shows an example of a function structure outline of a radio | wireless receiver. It is a figure which shows an example of a schematic block configuration of a receiver. FIG. 2 is a diagram showing an example of a schematic block configuration of an arithmetic unit 103. It is a figure which shows an example of the processing sequence between a radio | wireless transmitter and a radio | wireless receiver. It is a figure explaining an example of temporal relation between vibration and voice output, (a) is a figure explaining vibration which is prior notification of voice output, (b) notifies that voice output is in progress It is a figure explaining a vibration, and (c) is a figure explaining a vibration which notifies that voice output ended. It is a figure which shows an example of the processing sequence from a radio | wireless call start to completion | finish. It is a figure which shows an example of a flowchart which shows the more detailed processing of a process of ST502 shown in FIG. FIG. 9 is a diagram showing an example of a flowchart showing more detailed processing of the processing of ST 503 shown in FIG. 8; (A) is a flowchart which shows a more detailed process of the process of ST507 shown in FIG. 8, (b) is a follow chart which shows a more detailed process of the process of ST510 shown in FIG. It is a figure which shows an example of the processing sequence between the radio | wireless transmitter at the time of emergency, and a radio receiver. It is a figure which shows an example of a flowchart which shows a more detailed process of the process of ST903 shown in FIG. FIG. 13 is a diagram showing an example of a flowchart showing more detailed processing of the processing of ST 906 shown in FIG. 12. It is a figure which shows an example of the flowchart of a process of a wireless receiver which receives an emergency code signal from a wireless transmitter, and notifies that it is urgent by vibration.

  Hereinafter, a wireless receiver and a method of receiving the same according to one aspect of the present disclosure will be described with reference to the drawings. However, it should be noted that the technical scope of the present disclosure is not limited to those embodiments, but extends to the inventions described in the claims and the equivalents thereof. In the following description and drawings, components having the same functional configuration will be assigned the same reference numerals and redundant description will be omitted.

(Outline of wireless receiver and receiving method according to the present invention)
FIG. 1 is a diagram for explaining the outline of a wireless receiver according to the present invention and a method of receiving the same, with the wireless receiver 1 according to the embodiment as an example.

  The wireless receiver 1 can be attached to the helmet 3 by inserting the clip portion of the wireless receiver 1 detachably by the holder 2 fixed to the helmet 3. The wireless receiver 1 is attached to the ear of a worker wearing the helmet 3 so as to be close to a speaker (not shown) of the wireless receiver 1. A vibrator (not shown) is incorporated in the wireless receiver 1 to vibrate the housing of the wireless receiver.

A supervisor who monitors the passage of a train uses a wireless transmitter 4 to notify a worker who wears the wireless receiver 1 of voice communication, for example, "Train approach, retreat". However, as described above, when the worker can not hear the voice due to noise and the like accompanying the work, or when the worker concentrates on the work and misses the voice, etc. may occur. Therefore, the wireless receiver 1 vibrates the housing of the wireless receiver 1 as, for example, "bull-bull" in conjunction with the voice output, and notifies the worker of the contact from the monitoring staff. As an example in which the vibration of the wireless receiver 1 and the voice output are interlocked, the following interlocking is available.
(1) The wireless receiver 1 makes the operator prepare for listening and prevents the voice from being missed by vibrating the housing before voice output.
(2) The wireless receiver 1 causes the worker to concentrate on listening to voice by vibrating the housing for a certain period of time from the start of voice output.
(3) The wireless receiver 1 vibrates the housing for a certain period of time after the end of the voice output to notify the worker that the voice output has ended, and then concentrates on the work again.
(4) The wireless receiver 1 notifies the operator of the emergency communication by vibrating the housing before or during voice output so that the vibration is different from normal vibration.

  As a method of wearing the wireless receiver 1 by the worker, in addition to a method of attaching the wireless receiver 1 to the helmet 3, a head band or the like may be used to be close to the ear of the worker.

(Overview of Wireless Receiver According to Embodiment)
FIG. 2 is a diagram showing an example of an outline of the appearance of the wireless receiver 1. 2 (a) is a perspective view showing the appearance of the wireless receiver 1, and FIG. 2 (b) is a plan view of the wireless receiver 1 as viewed from the direction of arrow A in FIG. 2 (a). FIG. 2 (c) is a plan view of the wireless receiver 1 as viewed in the direction of arrow B in FIG. 2 (a).

  The wireless receiver 1 includes a speaker 11, a battery lid 12, a housing 13, a clip unit 14, a power button 15, a mode button 16, a pair of volume buttons 17 and 18, and LED lights 191, 192, And 193.

  The clip unit 14 is formed on the top of the housing 13 of the wireless receiver 1 so that the wireless receiver 1 is detachably attached to the holder 2 fixed to the helmet 3. The clip portion 14 has a pair of clip members 14 a extending in parallel with the upper portion of the housing 13. Further, the pair of grip members 14a have triangular stopper portions 14b formed at their respective tips. Each of the pair of grip members 14 a penetrates the holder 2 when the wireless receiver 1 is fixed to the holder 2. The stopper portions 14 b are each locked to the edge of the holder 2 so that the pair of clip members 14 a do not fall off the holder 2.

  The side surface of the wireless receiver 1 viewed from the direction of arrow A in FIG. 2A shown in FIG. 2B is the side surface facing the worker's ear. The speaker 11 and the battery cover 12 are disposed on the side surface. The speaker 11 is disposed on the side of the wireless receiver 1 facing the worker's ear so as to be close to the worker's ear. The speaker 11 may be disposed inside the housing 13 of the wireless receiver 1, and the side surface may be provided with a sound emission opening that emits the generated sound. The battery cover 12 is a cover that covers a battery storage unit (not shown) that stores a battery for operating a wireless receiver such as an alkaline battery and a lithium ion battery.

  The side surface of the wireless receiver 1 viewed from the direction of arrow B in FIG. 2A shown in FIG. 2C is the side surface located on the opposite side to the worker's ear. A power button 15, a mode button 16, a pair of volume buttons 17 and 18 and three LED lights 191, 192 and 193 are arranged on the side. The power button 15 is pressed when turning on and off the power of the wireless receiver 1. The mode button 16 is pressed when switching the setting mode. The volume button 17 is pressed to increase the volume, and the volume button 18 is pressed to decrease the volume. The LED light 191 indicates the power on / off state of the wireless receiver 1. The LED light 192 displays a communication channel number. The LED light 193 displays the selected setting mode state. In order to maintain waterproofness, each button is covered with, for example, a waterproof sheet of a membrane sheet.

  FIG. 3 is a block diagram showing an example of a functional configuration outline of the wireless receiver 1.

  The wireless receiver 1 includes an antenna 101, a receiving device 102, an arithmetic device 103, a power supply device 104, a battery 105, an audio output device 106, a vibrator 107, an input device 108, and a display device 109. Have.

  The antenna 101 receives a radio signal transmitted from the radio transmitter 4. The receiving apparatus 102 is connected to the antenna 101, and performs reception processing and the like for receiving a wireless signal received via the antenna 101. The computing device 103 is connected to the receiving device 102 and controls voice and vibration output. The power supply device 104 boosts the voltage of the battery 105 built in the wireless receiver 1 and supplies the boosted voltage to the reception device 102, the arithmetic device 103, the audio output device 106, the vibrator 107, the input device 108 and the display device 109.

  The audio output device 106 is, for example, a speaker or an earphone, and outputs audio corresponding to the audio signal input from the arithmetic device 103. The vibrator 107 is, for example, an eccentric motor or a vibration actuator, and vibrates by a vibration signal input from the arithmetic device 103. Vibration of the vibrator 107 causes the housing 13 of the wireless receiver 1 to vibrate. The worker wearing the wireless receiver 1 recognizes that there is a contact from the monitoring staff by vibrating the housing 13 of the wireless receiver 1.

  The worker may attach the earphone to the ear and attach the main body of the wireless receiver 1 connected to the earphone via the cord at a place other than the helmet such as the waist of the worker. By mounting the main body of the wireless receiver 1 at a place other than the helmet, the load applied to the head of the worker is reduced, and the load applied to the neck or the like of the worker is reduced. Furthermore, if the earphones are wireless earphones such as Bluetooth (registered trademark) earphones, cords that may interfere with the worker's wire keeping work can be omitted.

  The input device 108 includes a power button 15, a mode button 16, and a pair of volume buttons 17 and 18. The display device 109 includes three LED lights 191, 192 and 193.

  FIG. 4 is a diagram showing an example of a schematic block configuration of the receiving apparatus 102. As shown in FIG.

  The receiving device 102 includes a receiving storage unit 120 and a receiving processing unit 130, and is connected to the antenna 101 and the computing device 103. The reception storage unit 120 has one or more semiconductor memories. For example, the reception storage unit 120 includes at least one of a RAM, a flash memory, an EPROM, or a non-volatile memory such as an EEPROM.

  The reception storage unit 120 stores a driver program, an operating system program, an application program, data, and the like used for processing by the reception processing unit 130. For example, the reception storage unit 120 stores, as a driver program, a device driver program for controlling the reception processing unit 130 and the like. The computer program may be installed in the reception storage unit 120 from a computer-readable portable recording medium such as a CD-ROM or a DVD-ROM using a known setup program or the like. Also, it may be downloaded from a program server or the like and installed. Furthermore, the reception storage unit 120 may temporarily store temporary data related to a predetermined process. The reception storage unit 120 stores a channel table 121 for determining a wireless channel, a code table for identifying that it is transmission to the own device, and the like.

  The reception processing unit 130 includes one or more processors and their peripheral circuits. The reception processing unit 130 controls the reception of the transmission signal from the wireless transmitter 4. The reception processing unit 130 detects, for example, a transmitted signal and demodulates it to obtain an RF chip for acquiring the received signal, and an MCU (Micro Computer Unit for transmitting a signal for bringing the arithmetic device 103 into the awake state from the pause state). And so on. The RF chip and the MCU may be realized as one IC module.

  The reception processing unit 130 executes processing based on a program (an operating system program, a driver program, an application program, etc.) stored in the reception storage unit 120. Also, the reception processing unit 130 may execute a plurality of programs (application programs etc.) in parallel. The reception processing unit 130 includes a transmission signal acquisition unit 131, an activation signal output unit 132, and a transmission information output unit 133. The receiving device 102 is supplied with power from a power supply device 104 (not shown).

  FIG. 5 is a diagram showing an example of a schematic block configuration of the arithmetic unit 103. As shown in FIG.

  The arithmetic device 103 connected to the receiving device 102 has an arithmetic storage unit 140 and an arithmetic processing unit 150, and is connected to the audio output device 106, the vibrator 107, the input device 108, and the display device 109. . The operation storage unit 140 has one or more semiconductor memories. For example, the operation storage unit 140 has at least one of a RAM, a flash memory, an EPROM, or a non-volatile memory such as an EEPROM. The operation storage unit 140 stores a driver program, an operating system program, an application program, data, or the like used for processing by the operation processing unit 150. For example, the arithmetic storage unit 140 stores, as a driver program, a device driver program for controlling the input device 108 connected to the arithmetic device 103 and the like.

  The computer program may be installed in the arithmetic storage unit 140 from a computer-readable portable recording medium such as a CD-ROM or a DVD-ROM using a known setup program or the like. Also, it may be downloaded from a program server or the like and installed. Furthermore, the operation storage unit 140 may temporarily store temporary data related to a predetermined process. The arithmetic storage unit 140 includes a vibration signal table 141 indicating the pulse width and amplitude of the vibration signal, a clocking table 142 for setting a time for outputting the vibration signal, and an audio amplification factor setting for setting an amplification factor of audio signal output. The table 143 and the talk history file 144 are stored.

  The arithmetic processing unit 150 includes one or more processors and their peripheral circuits. The arithmetic processing unit 150 controls the operation of the audio output device 106 and the vibrator 107. The arithmetic processing unit 150 includes, for example, an MCU (Micro Computer Unit) and a digital signal processor (DSP: Digital Signal Processor) that extracts a digital voice signal from a received data signal and converts it into an analog voice signal. The MCU and the DSP may be realized as one IC module.

  Furthermore, the arithmetic processing unit 150 executes processing based on a program (an operating system program, a driver program, an application program, etc.) stored in the arithmetic storage unit 140. The arithmetic processing unit 150 may execute a plurality of programs (application programs etc.) in parallel. The arithmetic processing unit 150 includes a start processing unit 151, a vibration signal output unit 152, an audio signal output unit 153, a silence detection unit 154, a clock unit 155, a pause processing unit 156, a talk time acquisition unit 157, and the like. , An emergency determination unit 158, a call termination detection unit 159, and an emergency code detection unit 1510. The arithmetic device 103 is supplied with power from a power supply device 104 (not shown).

(Outline of an example of the sequence between the wireless transmitter and the wireless receiver)
The Association of Radio Industries and Businesses (ARIB) performs a general processing sequence between the digital radio receiver 1 which is an embodiment of the radio receiver 1 according to the present invention and the digital radio transmitter 4. Description will be made based on the standard "wireless equipment of digital simple radio station" (ARIB STD-T98 1.4 version).

  FIG. 6 is a diagram for explaining an example of a processing sequence between the wireless transmitter 4 and the wireless receiver 1. FIG. 6A is a diagram showing a processing sequence from start to end of wireless communication. FIG. 6B is a diagram showing the signal format of the synchronization burst SB0.

  The wireless transmitter 4 transmits the synchronization burst SB0 to the wireless receiver 1 by pressing the call button (hereinafter also referred to as press-on). The synchronization burst SB0 is sent multiple times. This is to ensure reception of the synchronization burst SB0 of the wireless receiver 1 when there are a plurality of wireless receivers 1. Once the radio receiver 1 receives the synchronization burst SB0, the radio receiver 1 determines based on the synchronization burst SB0 whether it is a transmission directed to itself. When a wireless communication session is established based on the determination result, the wireless transmitter 4 uses the traffic channel TCH to transmit a transmission signal indicating transmission information including voice.

  When the call button of the wireless transmitter 4 is released (hereinafter also referred to as press Off), the end call signal is transmitted to the wireless receiver 1, and the communication session is ended. The end call signal is also transmitted a plurality of times in the same manner as the synchronization burst SB0. This is to ensure the reception on the wireless receiver 1 side. Once the wireless receiver 1 receives the call termination signal, it executes call termination processing. The end call signal is included in the radio information channel RICH of the transmission signal transmitted after the synchronization by the synchronization burst SB0 signal is established.

  In FIG. 6B, the synchronization burst SB0 (384 bits) is a communication channel, and is a signal that is first transmitted from the wireless receiver 1 to the wireless receiver 1 in order to establish synchronization. The synchronization burst SB0 comprises a preamble P, a slow associated control channel SACCH, a radio information channel RI (RICH), a synchronization word, a parameter information channel PICH and a call designation CSM. The wireless receiver 1 starts an operation of establishing synchronization by detecting the synchronization word of the synchronization burst SB0. The radio information channel RI (RICH) may include a user code UC which is a code area that can be set by the user.

(First embodiment of cooperation between vibration and voice output)
The present embodiment is a first embodiment relating to cooperation between vibration and sound output in which the end of sound output is notified by vibration from prior notification by vibration before the start of sound output.

  FIG. 7 is a diagram for explaining an example of the temporal relationship between vibration and sound output. FIG. 7A is a diagram for explaining the vibration which is the advance notification of the sound output. FIG. 7B is a diagram for explaining the vibration for notifying that voice output is in progress. FIG. 7C is a diagram for explaining the vibration for notifying that the voice output has ended.

  In FIG. 7A, the wireless receiver 1 receives the synchronization burst SB0, which is a paging signal, from the wireless transmitter 4, and changes from the sleep state to the start state. The wireless receiver 1 vibrates the housing 13 by vibrating the vibrator 107 between when the wireless receiver 1 is changed to the activated state and before voice output. The period of vibration between the time of change to the start state and the time before voice output is referred to as a first vibration period. For example, the wireless receiver 1 sends one pulse signal having a pulse width of 50 ms, for example, to the vibrator 107 for one vibration, during the first vibration period of 50 ms. The casing 13 vibrates due to the vibration of the vibrator 107. After the first vibration period has elapsed, the wireless receiver 1 causes the audio output device 106 to output audio. Since the worker who is the user of the wireless receiver 1 can prepare to listen to the voice output from the wireless receiver 1 by vibrating the housing 13 before the voice output, it is possible to prevent the voice from being missed can do.

  During the first vibration period, which is between the time of the change to the activation state and before the sound output, the digitalization of the sound after the radio receiver 1 receives the transmission signal indicating the transmission information including the sound from the radio transmitter 4 It may be a delay time until the output of voice starts after processing such as / analog conversion.

  In FIG. 7B, the wireless receiver 1 vibrates the housing 13 by vibrating the vibrator 107 during the second vibration period which is a period of time from when voice is output to when a predetermined time elapses. For example, the wireless receiver 1 outputs a pulse signal with a pulse width of 0.5 seconds to the vibrator 107 five times at equal intervals of 0.5 seconds during the second vibration period of 5 seconds. The wireless receiver 1 can concentrate the worker on listening to voice by vibrating the housing 13 for a certain period of time from the start of voice output. The magnitude of the sound during the second vibration period may be larger than the magnitude of the sound after the second vibration period after the end of the vibration.

  In FIG. 7 (c), the wireless receiver 1 measures an audio signal to detect that the audio output has become silent. The wireless receiver 1 vibrates the vibrator 107 during the third vibration period, which is a fixed time after the lapse of the predetermined time after the lapse of the predetermined time, when the predetermined time has passed since the sound output became silent. The housing 13 is vibrated by the above operation. For example, when 50 ms of silence has elapsed, the wireless receiver 1 vibrates the housing 13 during the third vibration period. For example, the wireless receiver 1 outputs a pulse signal having a pulse width of 0.1 second to the vibrator 107 twice at equal intervals of 0.1 second during the third vibration period of 1 second. After the silence state continues for a predetermined time, the wireless receiver 1 vibrates the housing 13 for a certain period of time to notify the worker that the voice output is finished and does not continue, and concentrate on the task again. Can.

  Although the vibration signals in the first vibration period, the second vibration period, and the third vibration period are different from each other, the vibration signals in the first vibration period, the second vibration period, and the third vibration period are the same as the normal vibration signal. The pulse width of

  FIG. 8 is a diagram for explaining an example of the processing sequence of the wireless transmitter 4 and the wireless receiver 1 from the start of wireless communication to the end in the first embodiment.

  First, in response to the call button being pressed on, the wireless transmitter 4 transmits the synchronization burst SB0 to the wireless receiver 1 (ST501). The receiving apparatus 102 of the wireless receiver 1 having received the transmitted synchronization burst SB0 determines whether the received synchronization burst SB0 is a call transmission signal addressed to the wireless receiver 1. If it is determined that the transmission is addressed to the wireless receiver 1, the receiving device 102 causes the computing device 103 of the wireless receiver 1 to be able to execute more processes than the hibernation state from the hibernation state. The start signal for transitioning to the state is output (ST 502).

  Next, the arithmetic device 103 having acquired the activation signal brings the arithmetic device 103 into the activation state, and the arithmetic device 103 in the activation state changes from the activation state to the activation state during the first vibration period before the voice output. The vibration signal is output to the vibrator 107 (ST 503). Next, the vibrator 107 that has received the vibration signal vibrates in response to the input of the vibration signal (ST 504). The vibration of the vibrator 107 causes the housing 13 of the wireless receiver 1 to vibrate. By vibrating the housing 13 before voice output, the operator is prepared to listen to the voice output from the wireless receiver 1 to prevent the voice from being missed.

  On the other hand, when the call button 41 is in the press-on state, the wireless transmitter 4 transmits a transmission signal indicating THC (voice) which is voice information including voice in the traffic THC (ST 505). Next, receiving apparatus 102 acquires a transmission signal, and outputs transmission information including voice information related to the transmission signal to arithmetic apparatus 103 (ST 506).

  Next, the computing device 103 converts the voice information included in the acquired transmission information, outputs a voice signal to the voice output device 106 and outputs a voice, and then a second vibration from when the certain time passes. During the period, a vibration signal is output to the vibrator 107 (ST 507). Next, the audio output device 106 outputs an audio in response to the input of the audio signal (ST 508), and the vibrator 107 vibrates in response to the input of the vibration signal (ST 509). The vibration of the vibrator 107 causes the housing 13 of the wireless receiver 1 to vibrate. By vibrating the housing 13 for a certain period of time from the start of the voice output, the operator can concentrate on listening to the voice. Usually, even after the vibration of the vibrator 107 ends, the sound output device 106 continues to output sound. The loudness of the voice during the second vibration period of the voice output device 106 may be larger than the loudness of the voice after the second vibration period after the vibration has ended.

  Next, when the arithmetic unit 103 measures the voice signal and determines that the silence state of the voice output continues for a predetermined period, the transducer during the third vibration period which is a constant time after the silence state has passed a predetermined time The vibration signal is output to 107 (ST510). Then, the vibrator 107 vibrates in response to the input of the vibration signal (ST 511). The vibration of the vibrator 107 causes the housing 13 of the wireless receiver 1 to vibrate. By vibrating the housing 13 for a certain period of time after the voice becomes silent, the operator is notified that the voice output is finished, and the work is again devoted to work.

  FIG. 9 is a diagram showing an example of a flowchart showing a more detailed process of the process ST 502 of FIG.

  First, the transmission signal acquisition unit 131 of the reception device 102 of the wireless receiver 1 acquires the transmission signal transmitted from the wireless transmitter 4 via the antenna (ST601), and the transmission signal is transmitted to the wireless receiver 1 It is determined whether it is a signal (ST602). If it is determined that the transmission signal is addressed to wireless receiver 1 (ST 602 -YES), activation signal output unit 132 is in the activation state where processing can be executed from the pause state to more processing than the pause state. A start signal for transition is output to the arithmetic device 103 (ST603). After output, the process ends. It can be said that when the arithmetic device 103 is in the active state, the wireless receiver 1 is in the receiving state from the standby state. If it is determined that the transmission signal is not a transmission signal for the wireless receiver 1 (ST602-NO), the process returns to ST601, and the transmission signal acquisition unit 131 waits for the next transmission signal from the wireless transmitter 4.

  FIG. 10 is a diagram showing an example of a flowchart showing more detailed processing of processing ST 503 of FIG.

  First, the activation processing unit 151 of the arithmetic device 103 acquires the activation signal output from the activation signal output unit 132 of the receiving device 102 (ST 701). The start signal is a signal for causing the arithmetic device 103 to shift from the sleep state to a start state in which more processes can be executed than in the sleep state. Next, the activation processing unit 151 shifts the arithmetic device 103 to the activated state (ST702). Next, when the arithmetic device 103 is activated, the clock unit 155 counts an elapsed time from when the arithmetic device 103 is activated (ST703). Next, the vibration signal output unit 152 outputs a normal vibration signal to the vibrator 107 (ST704).

  Next, the timer 155 determines whether the first vibration period has elapsed (ST 705). If the first elapsed time has not elapsed (ST705-NO), the process returns to ST704, and the vibration signal output unit 152 outputs a normal vibration signal to the vibrator 107. After the first elapsed time has elapsed (ST 705 -YES), the process ends.

  FIG. 11 is a diagram showing an example of a follow chart showing more detailed processes of the processes ST507 and ST510 of FIG. FIG. 11A is a flowchart of the process ST 507 during the period from the start of voice output to the second vibration period. FIG. 11B is a follow chart of the process ST510 up to the third vibration period, which measures an audio signal and detects that the audio output is silent, and notifies that the audio output has ended.

  In processing ST507, after the first vibration period has elapsed, the timing unit 155 starts counting of the second vibration period (ST801). Next, the vibration signal output unit 152 outputs a normal vibration signal to the vibrator 107 (ST 802). At the same time, the audio signal output unit 153 starts output of the audio signal to the audio output device 106 (ST 803). Next, the timer 155 determines whether the second vibration period has elapsed (ST 804). If the second elapsed time has not elapsed (ST 804 -NO), the process returns to ST 802, and the vibration signal output unit 152 outputs a normal vibration signal to the vibrator 107. After the second elapsed time has elapsed (ST 804 -YES), the process ends. On the other hand, the flow of ST 803 at which the audio signal output unit 153 starts the output of the audio signal to the audio output device 106 is branched to proceed to ST 510 shown in FIG.

  In processing ST510, the silence detection unit 154 detects that the audio signal output from the audio signal output unit 153 is silent (ST811). When a silent state is detected, clocking section 155 starts clocking of a silent detection period from when silent state is reached (ST 812). The silence detection unit 154 determines whether the silence state continues (ST 813). When the silence state ceases (ST 813 -NO), the silence detection unit 154 waits for detection of the silence state again in ST 811. When the silence detection unit 154 detects that the silence state is continuing (ST 813 -YES), the clocking unit 155 determines whether the silence state has passed a predetermined time (ST 814).

  If the timer unit 155 determines that the silence state has not passed the predetermined time (ST 814 -NO), the process returns to ST 813. When the timer unit 155 determines that the silence state has passed the predetermined time (ST 814 -YES), the timer unit 155 resets the clock and starts clocking the elapsed time again (ST 815).

  Next, the vibration signal output unit 152 outputs a vibration signal to the vibrator 107 (ST 816). The timer unit 155 determines whether the elapsed time has passed the third vibration period (ST 817). When the elapsed time has not passed the third vibration period (ST 817 -NO), the process returns to ST 816, and the vibration signal output unit 152 outputs a vibration signal to the vibrator 107. When the elapsed time has passed the third vibration period (ST817-YES), the pause processing unit 156 changes the arithmetic device 103 from the activated state to the paused state (ST818), and the process ends.

(2nd embodiment regarding cooperation of vibration and voice output)
In the first embodiment, the cooperation between the vibration and the voice output in the case where the communication from the wireless transmitter 4 is normal has been described. However, it may be necessary to notify urgently that the train is traveling at an abnormal speed or the like from the monitoring personnel who monitor the traffic condition of the train or car to the workers involved in the work. The second embodiment is an embodiment in which the worker is notified by vibration of the wireless receiver 1 that the communication or signal from the wireless transmitter 4 is urgent.

  FIG. 12 is a diagram illustrating an example of a processing sequence between the wireless transmitter and the wireless receiver in an emergency.

  When the call button 41 of the wireless transmitter 4 is pressed twice, for example, in a short period, that is, when Press On and Press Off are repeated twice, the next third call requires urgentness It shows that it is.

  In the wireless transmitter 4, press-on of the first call button 41 is performed. When the press is on, the transmission device 42 of the wireless transmitter 4 starts transmission, and transmits the synchronization burst SB0 to the wireless receiver 1 (ST901). If the receiving apparatus 102 of the wireless receiver 1 determines that it is a call transmission addressed to the wireless receiver 1 based on the transmitted synchronization burst SB0, the receiving apparatus 102 transmits an activation signal SS to the computing apparatus 103 (ST 902). . The arithmetic device 103 that has received the activation signal SS is activated, reads out the last two previous and last speech times from the last speech history file 144 stored in the arithmetic storage unit 140 (not shown), and calculates the difference between the last speech times. It is determined whether it is emergency transmission (ST 903). For example, in the first activation process, since the last call history file does not have the last second talk time and the last second talk time, the last talk detection time which is the difference between the last second talk time and the last second talk time has a large value, for example, 1000 seconds. Set to For example, assuming that the predetermined threshold value of the call termination detection time for determining whether the call is an emergency call is 1.5 seconds, it is determined that the first call from the wireless transmitter 4 is not an urgent call. Ru.

  When the call button 41 of the wireless transmitter 4 is released one second after the first press On (the first press Off), the transmitting device 42 of the wireless transmitter 4 transmits the transmission signal including the end call signal ES. Transmit to the wireless receiver 1 (ST 904). Next, the receiving apparatus 102 that has received the transmission signal including the end call signal ES transmitted from the wireless transmitter 4 sends the transmission information including the end call information EI to the computing apparatus 103 (ST 905).

  Next, the arithmetic unit 103 detects the end-to-end information EI, writes the end-to-end time to the end-to-end history file stored in the operation storage unit 140, and enters the pause state (ST 906). For example, since one second has elapsed since the first press-on, the end time is written as one second. The start point of the time may be, for example, when the power of the wireless receiver 1 is turned on, or when the transmission signal from the wireless transmitter 4 includes a time stamp indicating the transmission time, A time stamp may be used at the end of talk time.

  Next, 0.5 seconds after the first press-off, the second call button 41 is pressed-on. Similar to the first press-on, the processes ST901, ST902, and ST903 of the second time are sequentially performed.

  In the second processing ST 903, the arithmetic device 103 that has received the activation signal SS is activated. Furthermore, the last second talk time is read out from the last talk history file 144 stored in the arithmetic storage unit 140 (not shown), and emergency transmission is performed from the last talk detection time which is the time difference between the last second talk time and the last second talk time. Determine if there is. Since the previous closing time is 1 second but there is no previous closing time, the closing detection time is set to a large value, for example, 1000 seconds, and the second call from the wireless transmitter 4 is urgent It is determined that the call is not sexual.

  When the call button 41 of the wireless transmitter 4 is released one second after the second press On (the second press Off), the second process ST 904, ST 905, as in the first press Off. The processing of ST 906 is performed in order. In the second process ST 906, the arithmetic unit 103 detects the end-talk information EI, writes the end-talk time to the end-call history file stored in the operation storage unit 140, and enters the pause state. For example, since 2.5 seconds have passed since the first press ON, the end time is written as 2.5 seconds.

  0.5 seconds after the second press Off, the third call button 41 is pressed On. Similar to the second press-on, the third process ST901, ST902, and ST903 are sequentially performed.

  In the third processing ST 903, the arithmetic device 103 that has received the activation signal SS is activated. Furthermore, the last two talk times are read out from the last talk history file 144 stored in the operation storage unit 140 (not shown), and it is determined from the time difference between the last talk time whether it is emergency transmission or not. Since the last second talk time is 1 second and the last talk time is 2.5 seconds, the last talk detection time is 1.5 seconds. Since the predetermined threshold of the end of speech detection time to determine whether it is an emergency call is 1.5 seconds, it is determined that the third call from the wireless transmitter 4 is an urgent call, The arithmetic device 103 outputs an emergency vibration signal to the vibrator 107.

  In the present embodiment, when the end-of-talk detection time, which is the difference between the first and second end-of-talk times, is less than or equal to a predetermined threshold 1.5 seconds, the next transmission, ie, the third transmission is an emergency transmission. It was judged. Note that the number of times of pressing of the call button 41 of the wireless transmitter 4 for notifying that it is urgent and the termination detection time may be set arbitrarily.

  FIG. 13 is a view showing an example of a follow chart showing a more detailed process of the activation process ST 903 of FIG.

  First, the activation processing unit 151 of the arithmetic device 103 that has received the activation signal SS from the receiving device 102 changes the arithmetic device 103 from the pause state to the activation state (ST 1001). Next, the talk time acquisition unit 157 acquires the latest two talk times from the talk history file 144 of the operation storage unit 140 (ST 1002). Next, the talk time acquisition unit 157 determines whether the last two talk times have been acquired (ST 1003). When the last two close times are acquired (ST1003-YES), the close time acquiring unit 157 calculates a close detection time that is the difference between the last two close times (ST1004). . If the last two talk times can not be acquired (ST1003-NO), the talk time acquisition unit 157 sets the talk detection time to, for example, 1000 seconds (ST1005), and proceeds to ST1006.

  Then, the emergency determination unit 158 determines whether the end of call detection time is a predetermined threshold, for example, 1.5 seconds or less. If the end of call detection time is less than or equal to the predetermined threshold (ST1006-YES), then, the time measuring unit 155 vibrates the operator to notify that it is an emergency call before voice output, during the fourth vibration period. Measurement is started (ST1007). If the end of call detection time exceeds the predetermined threshold (ST1006-NO), the process ends. After the measurement of the fourth vibration period is started (ST1007), the vibration signal output unit 152 outputs an emergency vibration signal to the vibrator 107 (ST1008). Next, the timer 155 determines whether the fourth vibration period has elapsed (ST1009). Next, when the fourth vibration period has not elapsed (ST1009-NO), the process returns to ST1008. When the fourth vibration period has elapsed (ST1009-YES), the process ends.

  The emergency vibration signal output from the vibration signal output unit 152 that informs the worker that the call is an emergency call may be different from the normal vibration signal at the time of the normal call. For example, the pulse amplitude of the emergency vibration signal may be 1.5 times that of the normal vibration signal, or the pulse width may be smaller than that of the normal vibration signal. This is to notify the worker wearing the wireless receiver 1 that there is an emergency call, and to draw attention. Further, the fourth vibration period, which is a period in which the operator is notified by vibration to an emergency call before voice output, may be longer than the first vibration period, which is a vibration period before normal voice output.

  FIG. 14 is a diagram showing an example of a follow chart showing a more detailed process of the end-of-call process ST 906 of FIG.

  First, the termination detection unit 159 detects whether transmission information includes the termination information EI (ST 1101). If the transmission information includes the close-talk information EI (STST 1101-YES), the close-talk detecting unit 159 writes the close-talk time in the close-talk history file 144 of the operation storage unit 140 (ST1102). When the transmission information EI does not include the call termination information (STST 1101-NO), the call termination detection unit 159 waits in ST1101. After the talk time is written in the talk history file 144, the pause processing unit 156 puts the arithmetic device 103 from the activation state to the pause state (ST1103), and ends the process.

(Modification of the second embodiment)
The second embodiment determines that the wireless receiver 1 is an emergency call based on the number and intervals at which the call button 41 of the wireless transmitter 4 is pressed that the communication or signal from the wireless transmitter 4 is urgent. did. In a modification, the wireless transmitter 4 informs the worker of the wireless receiver 1 that it is an emergency contact using a code which can be freely set by the manufacturer of the wireless transmitter 4 and the wireless receiver 1. For example, manufacturer-defined bits can be placed in the low-speed associated control channel SACCH of the synchronization burst SO0, so a bit can be set to inform the operator that it is urgent.

  The receiver 102 of the wireless receiver 1 having received the synchronization burst SB0 including the emergency code signal from the wireless transmitter 4 sends transmission information including the emergency code information to the arithmetic unit 103. The computing device 103 can cause the vibrator 107 to output an emergency vibration signal when the emergency code is detected.

  FIG. 15 is a diagram showing an example of a flowchart of processing of the arithmetic device 103 of the wireless receiver 1 that receives an emergency code signal from the wireless transmitter 4 and notifies that it is an emergency notification by vibration.

  First, the emergency code detection unit 1510 detects emergency information code information included in transmission information (ST1201). Next, the timer 155 starts measurement of the fourth vibration period (ST1202). Next, the vibration signal output unit 152 outputs an emergency vibration signal (ST1203). Next, the time measuring unit 155 determines whether the fourth vibration period, which is a period for notifying the operator by vibration that an emergency call is made, has passed before the voice output (ST1204). If the fourth vibration period has not elapsed (ST1204-NO), the process returns to ST1203. When the fourth vibration period has elapsed (ST 1204-YES), the process ends.

  Although each embodiment has been described on the assumption of a digital wireless device, the present invention is also applicable to an analog wireless device.

  In addition, although each embodiment has been described on the assumption of railway track maintenance work, the present invention is also applicable to road construction work.

  It is to be understood that one of ordinary skill in the art can add various changes, substitutions, and alterations thereto without departing from the spirit and scope of the present invention.

DESCRIPTION OF SYMBOLS 1 wireless receiver 13 housing 101 antenna 102 receiver 103 arithmetic unit 104 power supply device 105 battery 106 audio output device 107 vibrator 2 holder 3 helmet 4 wireless transmitter 41 call button 42 transmitter

Claims (7)

A receiving device that receives a transmission signal indicating transmission information including at least voice, and outputs an activation signal when it is determined that the transmission signal is a transmission target device to which the transmission signal is to be transmitted;
In response to the start signal being input, the state shifts from the pause state to a start state in which more processes can be executed than the pause state, and a normal vibration signal is output over the first vibration period, and An arithmetic device for outputting an audio signal indicating an audio contained in transmission information corresponding to the transmission signal input via the receiving device after the first vibration period has elapsed;
A vibrator that receives the normal vibration signal and vibrates over the first vibration period;
An audio output device for outputting an audio corresponding to the audio signal;
A housing which accommodates the receiving device, the arithmetic device, the vibrator and the sound output device, and which vibrates according to the vibration of the vibrator;
Wireless receiver with.   2. The wireless receiver according to claim 1, wherein the arithmetic unit further outputs the normal vibration signal to the vibrator during a second vibration period after the output of the audio signal.   The arithmetic device further outputs the normal vibration signal to the vibrator during a third vibration period when it is determined that the sound included in the transmission information is silent during a predetermined silence detection period. A wireless receiver according to claim 1 or 2.   The wireless receiver according to claim 3, wherein the arithmetic device transitions from the start state to the pause state after the third vibration period has elapsed. The transmission information further includes end talk information indicating termination of transmission of the transmission signal,
The arithmetic device outputs an emergency vibration signal to the vibrator over a fourth vibration period when detecting at least two pieces of close-talk information during a predetermined close-talk detection time,
5. The vibrator according to claim 1, wherein when the emergency vibration signal is input, the vibrator vibrates in a mode different from that when the normal vibration signal is input during the fourth vibration period. Wireless receiver. The transmission information further includes emergency code information indicating that the transmission is an emergency transmission,
When the arithmetic unit detects the emergency code, the arithmetic unit outputs an emergency vibration signal to the vibrator over a fourth vibration period,
5. The vibrator according to claim 1, wherein when the emergency vibration signal is input, the vibrator vibrates in a mode different from that when the normal vibration signal is input during the fourth vibration period. Wireless receiver. Receiving a transmission signal indicating transmission information including at least voice, and outputting an activation signal when it is determined that the transmission signal is a transmission target device to which the transmission signal is to be transmitted;
In response to the start signal being input, the state shifts from the pause state to a start state in which more processes can be executed than the pause state, and a normal vibration signal is output over the first vibration period, and Outputting an audio signal indicating an audio included in transmission information corresponding to the received transmission signal after the first vibration period has elapsed;
The normal vibration signal is input, and vibrating the housing over the first vibration period;
Outputting an audio corresponding to the audio signal;
Method of receiving a wireless receiver comprising:

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