DE102010054240A1 - Method for operating emergency transmitter used by worker in construction site, transmitting alarm signal comprising identification number, timestamp and position information of transmitter to control center, by transmitter - Google Patents

Method for operating emergency transmitter used by worker in construction site, transmitting alarm signal comprising identification number, timestamp and position information of transmitter to control center, by transmitter

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Publication number
DE102010054240A1
DE102010054240A1 DE102010054240A DE102010054240A DE102010054240A1 DE 102010054240 A1 DE102010054240 A1 DE 102010054240A1 DE 102010054240 A DE102010054240 A DE 102010054240A DE 102010054240 A DE102010054240 A DE 102010054240A DE 102010054240 A1 DE102010054240 A1 DE 102010054240A1
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DE
Germany
Prior art keywords
signal
control center
emergency call
transmitter
nsl
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
DE102010054240A
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German (de)
Inventor
Markus Eisenlohr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ENBW AG
EnBW Energie Baden-Wuerttemberg AG
Original Assignee
ENBW AG
EnBW Energie Baden-Wuerttemberg AG
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Priority to DE102010054240A priority Critical patent/DE102010054240A1/en
Publication of DE102010054240A1 publication Critical patent/DE102010054240A1/en
Application status is Ceased legal-status Critical

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    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/016Personal emergency signalling and security systems
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/001Alarm cancelling procedures or alarm forwarding decisions, e.g. based on absence of alarm confirmation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/90Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers; Analogous equipment at exchanges
    • H04M1/72Substation extension arrangements; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selecting
    • H04M1/725Cordless telephones
    • H04M1/72519Portable communication terminals with improved user interface to control a main telephone operation mode or to indicate the communication status
    • H04M1/72522With means for supporting locally a plurality of applications to increase the functionality
    • H04M1/72536With means for supporting locally a plurality of applications to increase the functionality for supporting an emergency service
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M11/00Telephonic communication systems adapted for combination with other electrical systems
    • H04M11/04Telephonic communication systems adapted for combination with other electrical systems with fire, police, burglar, or other alarm systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02Power saving arrangements
    • H04W52/0209Power saving arrangements in terminal devices
    • H04W52/0261Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THIR OWN ENERGY USE
    • Y02D70/00Techniques for reducing energy consumption in wireless communication networks
    • Y02D70/10Techniques for reducing energy consumption in wireless communication networks according to the Radio Access Technology [RAT]
    • Y02D70/16Techniques for reducing energy consumption in wireless communication networks according to the Radio Access Technology [RAT] in other wireless communication networks
    • Y02D70/164Techniques for reducing energy consumption in wireless communication networks according to the Radio Access Technology [RAT] in other wireless communication networks in Satellite Navigation receivers

Abstract

The method involves transmitting an alarm signal comprising identification number, timestamp and position information of an emergency transmitter (TAG) to a control center (NSL) through a global system for mobile communication (GSM) module of the emergency transmitter. The input of signal to the emergency transmitter is indicated by vibrations or activation of LED displays in the transmitter. Independent claims are included for the following: (1) emergency transmitter; and (2) control center.

Description

  • A variety of emergency call transmitters are known which trigger an alarm in the event of an emergency, for example via a wireless telephone connection, thereby transmitting the position of the emergency call transmitter. It is used for determining the position of satellite navigation, such. As the GPS or in the future, the European Galileo system.
  • Such emergency transmitters are used in a wide variety of applications. A large field of application are the so-called outdoor leisure activities, for example, when mountain hikers are traveling in remote areas. Another very important field of application concerns field staff who are potentially at risk during their activities due to physical attacks. Such employees can be, for example, the employees of security companies, energy companies, but also the employees of construction companies or fitters who work on large construction sites.
  • Exemplary of such applications are at this point the DE 296 23 622 and DE 10 2004 010 181 as well as the DE 197 06 638 A1 called.
  • These systems are basically functional, but they still have a potential for improvement in terms of their applicability, for. For example, they may be used by field workers of energy companies or security services who are always at risk of becoming victims of physical attacks.
  • The invention is therefore an object of the invention to provide a method for operating an emergency station, but also a method for operating a communicating with the emergency call center control center, which ensures a further increased security of equipped with an emergency transmitter according to the invention outside staff. At the same time, the procedures must be very reliable, incur low operating costs and ensure data protection.
  • This object is achieved in a method for operating an emergency call transmitter comprising a control unit, a GPS receiver, a transmitting device and a receiving device, achieved in that a function "time window" via the transmitting device of the emergency transmitter transmits a signal to a service provider, and that Signal includes the name of the signal "time window on", an identification number (ID) of the emergency call transmitter, a time stamp and / or a position indication.
  • The "time window" function according to the invention makes it possible for a field service employee, before he enters a potentially dangerous situation, to activate a time window at the control center and thereby cause monitoring of the emergency call transmitter by the control center.
  • If, in fact, the time window activated by the field worker, which can be set, for example, to a predefinable time duration of 30 minutes, runs without another signal from the emergency call station, an alarm is automatically triggered by the control center.
  • This alarm can only be prevented by the sales representative if he / she is within the o. G. Time window transmitted using the emergency station according to the invention, a further signal with the name "time window off" to the control center.
  • This feature is therefore particularly advantageous because it can be activated before the field representative enters a potentially dangerous situation. After the employee has issued a corresponding signal, he waits for the acknowledgment of the input of this signal at the control center. As soon as he has received this acknowledgment, he can go into the potential dangerous situation and knows that at the latest after the expiry of time window activated by the control center, ie independent of his emergency transmitter, an alarm is triggered and searched for him, if he did not previously itself disabled this time window monitoring. Waiting for the acknowledgment by the employee significantly increases the security of the employee, because it is ensured that the control center has activated the time window according to the invention.
  • As a result, it is also possible that an endangered employee who is, for example, in a radio hole or in a room that allows no radio connection to the control center, still monitored.
  • The inventive function "time window" thus serves a seamless monitoring, which is activated only on request or at the initiative of the potentially endangered employee. The inventive function "time window" does not require communication between the emergency call station and the control center during the dangerous situation, because a time-controlled alarm is triggered by the control center, even if the employee has become unconscious, for example by an attack by a third person, and therefore no longer is able to operate the emergency transmitter.
  • In a further advantageous embodiment of the method according to the invention, it is possible to transmit a signal "time window off" together with the identification number of the emergency station to the control center, so that the control center after the receipt of this signal disable the time window monitoring and the automatic triggering at the end of the time window can.
  • In a further advantageous embodiment of the invention, of course, a direct alarm triggering via the transmitting device of the emergency station is possible. In this case, a signal called "alarm", an identification number of the emergency transmitter, a timestamp and / or a position indication is transmitted to the control center. This will provide the control center with all the information it needs to inform a police station near the location, other appropriate company personnel and / or other rescue personnel.
  • Of course, this information may be automatically transmitted over a telephone connection (as a voice connection and / or as an SMS), over the Internet or other means of communication. In principle, all available communication paths are conceivable for alarm triggering, since the control center can of course communicate not only via a mobile telephone connection, but also via the telephone landline and the Internet with the police and other rescue workers.
  • In a further advantageous embodiment of the invention, it is provided that the emergency call transmitter has a function "turn on" and a function "turn off", these functions each transmit a corresponding signal together with the identification number of the emergency call to the control center, which after the receipt of the signal " Switch on "establishes a routine monitoring and after the receipt of the signal" switch off "the routine monitoring of this emergency call transmitter ends again. This routine monitoring involves the regular checking of the function of the emergency call transmitter through communication between the control center and the emergency call station.
  • In order to ensure the operability of the emergency station according to the invention and to avoid that the user of the emergency call transmitter weighs in safety, although the operating voltage of the emergency station is too low or the battery is almost discharged, the invention provides that a function "battery warning" to a signal the control center transmits when the supply voltage falls below a predetermined threshold, and that the signal comprises the information that the state of charge of the accumulator is low and / or an identification number of the emergency call transmitter.
  • As a result, the control center is informed that the battery or the accumulator of the emergency call transmitter belonging to the identification number is very weak or would have to be charged at the next opportunity. This information can then the control center according to the invention with the help of an SMS, which it sent to a mobile phone of those employees whose emergency call transmitter has the signal "battery" sent to the control center. As a result, the employee whose emergency station has a nearly empty battery, informed in a diverse redundant way, namely via his mobile phone and SMS, about the state of charge of the accumulator of his emergency and he can at the earliest opportunity or immediately reload the emergency call.
  • To ensure that a complete alarm signal can be set off even if the emergency call transmitter is in the alarm triggering in an area in which no GPS signals can be received, is provided in a further advantageous embodiment of the invention that the position of the emergency call transmitter regularly and is preferably detected continuously. But it is also possible that permanently or at predetermined time intervals -. B. every ten seconds - the position determined and the most recent, that is the last determined position along with a timestamp in the emergency station is stored.
  • For example, it is conceivable that the position is determined every ten seconds and the most current position is stored together with a time stamp in the emergency transmitter.
  • So if, for example, the emergency transmitter has determined the position of the emergency station outside a building for the last time and then the employee goes into the basement of a building in which no GPS reception is possible, and he triggers an alarm in this cellar, then the alarm signal on the Previous position information entered when entering the building back. As a result, a full alarm can be canceled even if at the time of the alarm and at the location of the alarm triggering a GPS reception and therefore an accurate position determination is not possible. This will make the safety of the emergency call transmitter and the reliability especially in rough terrain or in buildings or industrial facilities, which often have difficult reception conditions for GPS data, and thus ensures a reliable rescue of the employee who has triggered an alarm.
  • In order to keep the transmission reliability of the communication between the emergency call station and control center as high as possible while at the same time manageable costs it is provided that the emergency call transmitter communicates with the control center via SMS and preferably via the GSM protocol. Of course, other radio connections are possible. Which of these radio links is used depends both on the availability in the field of application, but also on the costs.
  • In order to further increase the communication and the security of the same, it is provided that the emergency call transmitter transmits at least one of its signals, preferably the alarm signal, to the control center at least twice. As a result, even with unfavorable radio links, it can be ensured with greater reliability that the communication between the emergency call transmitter and the control center works and the alarm message reaches the control center.
  • The inventive method also provides that the emergency call station can dial a predeterminable telephone number and can establish a voice communication with the associated telephone device. This voice communication takes place unidirectionally from the emergency call transmitter to the device connected to the specifiable telephone number. This makes it possible for the subscriber called by the emergency call transmitter to be able to monitor what is happening in the immediate vicinity of the emergency call transmitter.
  • For example, the called subscriber can draw conclusions about the actual danger from the communication of the employee with an angry customer and adapt the rescue measures accordingly. In addition, this is triggered by the user of the emergency call monitoring and the preservation of evidence.
  • In order to ensure the informational self-determination of the user of the emergency call transmitter is provided in a further advantageous embodiment of the invention that the control center the emergency call transmitter can only transmit a signal "voice activation" if the function "time window" is active or immediately before an alarm signal from Emergency transmitter was delivered. It is possible that, for example, also thirty minutes after the delivery of an alarm such voice activation can be triggered by the control center.
  • In a further advantageous embodiment of the invention, all signals which the emergency call station receives are indicated by optical, acoustic and / or other display means, such as vibrations. The display by means of vibrations can signal to the user of the emergency call transmitter without eye contact and inaudibly that a signal has arrived from the control center. Alternatively or additionally, it is also possible that a lighting means such. As an LED, is energized and thereby indicates the input of a signal.
  • In addition to the information transmitted with the various signals, the operating voltage of the accumulator or of the emergency call transmitter and / or the level of the radio network via which the communication takes place can also be transmitted to the control center. As a result, a functional check is possible and it can be detected and eliminated disturbances or critical operating conditions.
  • The advantages according to the invention are also or in a corresponding manner realized by a method for operating a control center for monitoring an emergency call transmitter according to claims 15 to 25. The advantages according to the invention result from the communication between the control center and the emergency call transmitter, so that a separate explanation is dispensed with.
  • Further advantages and advantageous embodiments of the invention are the following drawings, the description and the claims removable.
  • In the drawing show:
  • 1 a schematic representation showing the interaction of the emergency station according to the invention and the control center according to the invention;
  • 2 the control buttons of the emergency station according to the invention;
  • 3 the flowcharts of the functions "switch on" and "switch off";
  • 4 Flowcharts of the functions "time window activation" and "time window deactivation";
  • 5 a flow chart of the automatic alarm triggering by the control center;
  • 6 a flow chart of the function "alarm triggering";
  • 7 a flow chart of the function "battery monitoring" and
  • 8th the flow chart of the function "status message".
  • Description of the embodiments
  • In the 1 are greatly simplified an inventive emergency call TAG and a control center NSL shown. The emergency call transmitter and the control center NSL can communicate via a wireless radio link, preferably via a mobile radio link. In general, this communication is via SMS, because the requirements for such a mobile connection between the emergency transmitter and the control center NSL are less than in a voice connection. Therefore, this communication is more robust and possible even under unfavorable circumstances. In addition, the communication via SMS is cheaper than a voice connection.
  • If the control center NSL triggers an alarm then a police station located near the emergency call station TAG will be activated 1 informed of the alarm along with the position of the emergency call transmitter at the time the alarm was triggered. On the basis of this and possibly even more information, the police can 1 Send one or more police officers to the location where the alarm was triggered.
  • In addition, the emergency call TAG not only allows SMS communication with the control center NSL, but also a voice connection with another telephone line 3 produce. Here, too, a mobile network is preferably used. Once the voice connection between the emergency transmitter and the telephone connection 3 stands, can on the telephone connection 3 be heard what is happening in the immediate vicinity of the emergency call station. This gives you one on the phone line 3 person directly further information about the danger in which the person is who has triggered the alarm of the emergency call station.
  • In the 2 are the most important components and actuator elements of the emergency station according to the invention shown. The emergency transmitter is essentially composed of components available on the market. Thus, the GPS module type uBloxs LEA-5H with remote antenna and the GSM module, which controls the telephone connection between the emergency transmitter, the control center NSL and / or the telephone line 3 to be of the type MC 55I.
  • In addition, the emergency transmitter still has a circuit board. In 2 In essence, the display devices and buttons necessary for understanding the function of the emergency call transmitter are shown schematically in a plan view.
  • The emergency call transmitter comprises a plurality of visual display devices, namely a GSM LED, a status LED and a GPS LED. The GSM LED and GPS LED may be red or green. If they light up green, the GSM module or the GPS module is working properly and has a connection to the mobile network as well as an active satellite-based position determination via GPS or Galileo.
  • The status LED lights up blue when it is activated. This is for signaling an active time window.
  • Inside the emergency call transmitter is another display means, namely a vibrator 7 provided, which is a non-visible and inaudible, but tactile display means.
  • Finally, the emergency transmitter has a charging socket 5 , which can be designed as a micro-USB charging socket. In addition, an accumulator (not shown) is charged as needed.
  • The emergency transmitter has three 9 . 11 and 13 Buttons of different sizes, which are thus haptically well distinguishable.
  • The first button 9 is an alarm button that is pressed when an alarm is to be issued. With the second button 11 the function "time window" according to the invention is activated. With the third button 13 If the function "time window" according to the invention is deactivated.
  • Communication between the control center and the emergency transmitter is via SMS. For communication to occur, it is important that the emergency transmitter is switched on and the GSM LED is green. A message sent by the emergency transmitter contains one or more pieces of information separated by a comma:

    <TYPE>, TagID = <TagID>, Battery = xxxx mV, RSSI = xxxx dBm
  • The emergency transmitter knows seven different types of messages or commands, namely:
    • • Turn on
    • • Turn off
    • • Battery
    • • Time window on
    • • Time window off
    • • alarm
    • • Status
  • The position data is transmitted from the emergency transmitter raw, ie unchanged, to the control center NSL. These are messages of the type RMC to NMEA 0183.
    Figure 00160001
  • To the commands in detail:
    Since the communication not only runs in the direction of the control center NSL exists a command set with which various functions can be triggered on the emergency call transmitter. Here are the following commands of relevance:
    • • Time window ok, <ID>
    • • Alarm On
    • • Callback
  • In the 3 First of all the switching on of the emergency call transmitter is explained.
  • If the second button and the third button are pressed simultaneously for at least five seconds, then the emergency transmitter is switched on. As a result, the blue LED flashes ten times.
  • At the same time, the emergency call transmitter registers with the control center NSL. By logging in, the following sequence / message is transmitted from the emergency transmitter to the control center NSL:

    Switch on, TagID = <ID>, Battery = <Value> mV, RSSI = <Value> dBm
  • The switch-on process includes the emergency call transmitter in the routine monitoring of the control center NSL. There is a logging by the control center NSL.
  • Turning off the emergency call transmitter according to the invention is carried out in that when the emergency caller TAG the second button 11 and the third button 13 be pressed simultaneously for a period of five seconds. As a result, all LEDs are disabled and the emergency call TAG logs off at the control center NSL. The message used here has the following content:

    Switch off, TagID = <ID>, Battery = <Value> mV, RSSI = <Value> dBm
  • In the 4a be the activation and in the 4b the deactivation of the time window monitoring function is explained.
  • The time window function of the emergency call transmitter is available if the emergency call transmitter is switched on and monitored by the control center NSL.
  • The time window monitoring by the control center NSL is done by pressing the second button 11 for a duration of two seconds. Then a first SMS is sent to the control center NSL with the status data:

    Time window on, TagID = 12, Battery = 3972 mV, RSSI = -83 dBm
  • Furthermore, the GPS position of the emergency call transmitter is transmitted in a second SMS according to the following protocol:
    Figure 00180001
  • The user receives confirmation by a status LED that flashes several times.
  • After receiving these two SMS messages, the control center NSL acknowledges the reception with a signal "time window ok", and then gives the identification number of the emergency call transmitter:

    Time window OK, <ID>
  • The acknowledgment of the command is displayed on the emergency transmitter by a constant blue status LED.
  • In addition, with the acknowledgment of the command in the control center NSL, a timer is started which, for example, automatically activates the time window alarm after 30 minutes, if the timer is not switched off in the meantime by the "deactivate time window" command of the emergency transmitter.
  • As long as this timer is running at the control center NSL, it is possible to deactivate the time window again from the emergency transmitter. This is done according to 4b in that the third button 13 is pressed for two seconds. The user receives a confirmation by a status LED that flashes several times. As a result, an SMS (see 4a ) transmitted from the emergency call station to the control center NSL.
  • The emergency transmitter sends the following message to the control center NSL:

    Time window off, TagID = <ID>, Battery = 3961 mV, RSSI = -85 dBm
  • The control center NSL acknowledges this command sequence with:

    Time window OK, <ID>
  • With the acknowledgment in the control center NSL, the timer started in 3.2.1 must be stopped, so that no time window alarm is triggered.
  • If the deactivation of the time window or the timer according to 4b does not take place, after expiry of the timer preset time of z. B. 30 minutes automatically triggered an alarm.
  • The sequence of automatic alarm triggering is in 5 shown. In the loop that has been repeated several times, with which the time window is monitored, when the preset time of, for example, 30 minutes has been reached, a callback is triggered by the control center NSL. This call can be made via the normal radio telephone network and establish a voice connection between the control center NSL and the cell phone of the field representative. If this callback is possible, then the employee of the control center NSL
  • In the 5 displayed blocks contain the following functions.
  • Callback by control center:
  • This function block is one of the processes to be processed by the control center and can be individually adapted by the operator of the emergency call transmitter or the control center. This process is not implemented in the emergency transmitter.
  • In any case, after activating the time window monitoring and not timely deactivation by the emergency call station an alarm is generated. In this case, the emergency call and service center calls the employee on his service phone. This measure is intended to reduce false alarms due to the employee having forgotten to disable the time window. Such a callback belongs advantageously to the function block "callback by control center".
  • authentication:
  • Each employee who uses an emergency transmitter according to the invention, has an individual password which is deposited at the emergency and service control center. This password enables the employee to authenticate themselves to the emergency call and service center. The password is known only to the employee and can be changed at any time. The password is required for any contact with the emergency and service center, eg. B. in the process "callback by control center".
  • Activate voice activation:
  • For both types of alarms (panic alarm or time window alarm), the command station sends the command "voice recording" to the concerned emergency call transmitter (= callback). This then establishes a GSM voice connection to a permanently stored in the emergency call number. If the voice connection is established, the ambient noise can be monitored and recorded using the microphone integrated in the emergency call transmitter. This is done for evidence.
  • Info-SMS and mail to L1 and L2:
  • For both types of alarms (panic alarm or time window alarm), the control center informs the responsible supervisor of the employee. The information is sent on the one hand by sending an SMS to the Diensthandy and secondly by a mail to the mail address of the direct superior L1 and the superior superior L2.
  • Logging NSL:
  • All actions as well as communication of the control center / control center software from and to the emergency call transmitter are stored in a LOG file. Thus, at any time traceable when z. For example, an emergency call was received, when it was responded to, the GPS position of the emergency call transmitter at the time of alarm triggering ... etc.
  • In this logging also receive level and the state of charge of the accumulator are stored in the emergency call station.
  • As soon as the time window is active, the Callback command can be issued by the control center NSL. This is relevant in the process of automatic alarm triggering.
  • Regardless of the automatic alarm triggering by the control center NSL, an alarm on the emergency call transmitter can only be triggered at any time in the switched-on state. By pressing the alarm button 9 the following messages are sent to the control center NSL:
    Figure 00220001
  • The control center NSL then acknowledges the first alarm message sequence with the command:

    Alarm on
  • The emergency transmitter sends the second alarm message sequence:
    Figure 00230001
  • The control center NSL then acknowledges the second alarm message sequence with the command:

    Alarm on
  • The acknowledgment of the alarm is confirmed by vibration on the emergency call transmitter. Subsequently, the voice recording is activated by the employee of the control center NSL on the emergency transmitter. For this purpose, the following command is transmitted from the control center NSL to the emergency call transmitter TAG.

    callback
  • The emergency transmitter dials the stored phone number and there is a voice connection.
  • So that the emergency call transmitter does not fail due to a discharged battery, its voltage and thus its charge state is continuously monitored. As soon as the capacity is less than 10%, the emergency transmitter transmits a "battery warning", in which case the emergency transmitter sends the following message to the control center NSL:

    Battery, TagID = 12, Battery = 3943 mV, RSSI = -79 dBm
  • The control center NSL then sends an SMS to the deposited mobile phone number of the employee with the warning that the battery is low. This message may read as follows:

    "Please charge your emergency transmitter"
  • In order to be able to routinely check the proper functioning of the emergency call station by the NSL control center, a status SMS is transmitted to the control center NSL by the switched-on emergency call transmitter between 8 am and 9 am as well as between 6 pm and 7 pm.
  • This message has the following structure:

    Status, TagID = <ID>, Battery = 4135 mV, RSSI = -99 dBm
  • If the emergency transmitter is switched off, no status messages are sent to the control center NSL. If the emergency call transmitter is switched on and there is no status message within the defined time window, the emergency call transmitter may be defective. A call is made from the control center NSL to the employee (see 8th ).
  • QUOTES INCLUDE IN THE DESCRIPTION
  • This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
  • Cited patent literature
    • DE 29623622 [0003]
    • DE 102004010181 [0003]
    • DE 19706638 A1 [0003]

Claims (26)

  1. Method for operating an emergency call transmitter comprising a control device, a GPS receiver and a GSM module, characterized in that a function "time window" via the transmitting device transmits a signal to a control center (NSL), and that the signal is the name of the signal (" Time window on "), an identification number (ID) of the emergency call transmitter, a timestamp and / or a position indication comprises.
  2. A method according to claim 1, characterized in that the function "time window" via the GSM module transmits a signal to a control center (NSL), and that the signal, the name of the signal ("time window off") and / or an identification number (ID) of the emergency call transmitter.
  3. Method according to one of the preceding claims, characterized in that a function "alarm triggering" via the GSM module transmits a signal to the control center (NSL), and that the signal, the name of the signal ("alarm"), an identification number ( ID) of the emergency call transmitter, a time stamp and / or a position indication.
  4. Method according to one of the preceding claims, characterized in that a function "switching on" via the GSM module transmits a signal to the control center (NSL), and that the signal is the name of the signal ("turn on"), an identification number ( ID) of the emergency transmitter and a timestamp.
  5. Method according to one of the preceding claims, characterized in that a function "switch off" via the GSM module transmits a signal to the control center (NSL), and that the signal, the name of the signal ("turn off"), an identification number ( ID) of the emergency call transmitter and / or a timestamp.
  6. Method according to one of the preceding claims, characterized in that a function "battery warning" via the GSM module transmits a signal to the control center (NSL) and that the signal is the name of the signal ("battery") and / or an identification Number (ID) of the emergency call transmitter.
  7. Method according to one of the preceding claims, characterized in that the position of the emergency call transmitter is detected regularly, and that the most up-to-date position of the emergency call transmitter is stored together with a time stamp in the emergency call transmitter.
  8. Method according to one of the preceding claims, characterized in that the emergency call transmitter (TAG) communicates with the control center (NSL) via SMS.
  9. Method according to one of the preceding claims, characterized in that the emergency transmitter transmits at least one of its signals at least twice to the control center (NSL).
  10. Method according to one of the preceding claims, characterized in that the emergency call station automatically dial a stored telephone number and an at least uni-directional voice connection with the terminal connected to this telephone number ( 3 ).
  11. A method according to claim 10, characterized in that the emergency call station dials the stored telephone number when the control center (NSL) the emergency call transmitter has transmitted a corresponding signal ("voice activation").
  12. Method according to one of the preceding claims, characterized in that the emergency call transmitter indicates the input of a signal sent to it.
  13. A method according to claim 12, characterized in that the emergency call transmitter indicates the input of a signal sent to it by vibrations and / or an activated light source (LED).
  14. Method according to one of the preceding claims, characterized in that each signal of the emergency call transmitter comprises the current value of the operating voltage (battery [mV]) and / or the level of the radio network (RSSI [dB]).
  15. Method for operating a control center (NSL) for monitoring an emergency call transmitter, wherein the control center (NSL) comprises a receiving unit and a transmitting unit, characterized in that the (NSL) starts a timer after receiving a signal "time window on", and that an alarm is triggered if the control center (NSL) does not receive a signal ("time window off") from the same emergency transmitter within a predeterminable time window.
  16. A method according to claim 15, characterized in that the control center (NSL) triggers an alarm when it has received a signal with the designation ("Alarm") from an emergency call transmitter.
  17. A method according to claim 16, characterized in that the control center (NSL) with the alarm trigger informs a located near the emergency station police station and / or other persons located near the emergency call rescuer at least the alarm and the position of the emergency call station.
  18. Method according to one of claims 15 to 17, characterized in that the control center (NSL) receives after receiving a signal "turn on" this emergency call transmitter in a routine monitoring.
  19. Method according to one of Claims 15 to 18, characterized in that the control center (NSL), after receiving an "off" signal, removes this emergency call transmitter from routine monitoring.
  20. Method according to one of claims 15 to 19, characterized in that the control center (NSL) after receipt of a signal "battery" sends an SMS with the content "low battery" to a the emergency caller associated phone number.
  21. Method according to one of claims 15 to 20, characterized in that a message in the control center (NSL) is generated when there is a time difference of more than 10 seconds between the time of alarm triggering and the timestamp of the most recent position of the emergency call transmitter.
  22. Method according to one of Claims 15 to 21, characterized in that the control center (NSL) communicates with the emergency call transmitter (TAG) via SMS.
  23. Method according to one of Claims 15 to 22, characterized in that the control center (NSL) acknowledges each signal emitted by the emergency call transmitter after the reception and transmits an acknowledgment signal to the emergency call transmitter.
  24. Method according to one of claims 15 to 23, characterized in that the control center (NSL) the emergency call transmitter a signal "voice activation" only within a predetermined time window after the input of the signal "time window on" or an "alarm" signal to the emergency transmitter can send.
  25. Emergency transmitter comprising a control device, a GPS receiver and GSM module, characterized in that it operates according to a method according to one of claims 1 to 14.
  26. Control center (NSL) for monitoring one or more emergency call transmitters, wherein the control center (NSL) comprises a receiving unit and a transmitting unit, characterized in that it operates according to a method according to one of claims 14 to 24.
DE102010054240A 2010-12-11 2010-12-11 Method for operating emergency transmitter used by worker in construction site, transmitting alarm signal comprising identification number, timestamp and position information of transmitter to control center, by transmitter Ceased DE102010054240A1 (en)

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DE102010054240A DE102010054240A1 (en) 2010-12-11 2010-12-11 Method for operating emergency transmitter used by worker in construction site, transmitting alarm signal comprising identification number, timestamp and position information of transmitter to control center, by transmitter

Applications Claiming Priority (1)

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DE102010054240A DE102010054240A1 (en) 2010-12-11 2010-12-11 Method for operating emergency transmitter used by worker in construction site, transmitting alarm signal comprising identification number, timestamp and position information of transmitter to control center, by transmitter

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Cited By (1)

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DE102013013483A1 (en) * 2013-08-15 2015-02-19 Deutsche Telekom Ag Method and system for issuing a user-individually configured alarm message by a telecommunications terminal registered in a telecommunications network, computer program and computer program product

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Publication number Priority date Publication date Assignee Title
DE29623622U1 (en) 1995-06-13 1999-04-08 Mikolajetz Dieter Dr Social alarm order
DE19753686B4 (en) * 1996-12-04 2004-03-18 Toyota Jidosha K.K., Toyota emergency call system
DE102004010181A1 (en) 2004-03-02 2005-10-06 KRUG-Ruhla Gesellschaft für Notrufe, Sicherheitssystem und Kontrolldienste mbH Universal, personal emergency call, security and / or control device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29623622U1 (en) 1995-06-13 1999-04-08 Mikolajetz Dieter Dr Social alarm order
DE19753686B4 (en) * 1996-12-04 2004-03-18 Toyota Jidosha K.K., Toyota emergency call system
DE102004010181A1 (en) 2004-03-02 2005-10-06 KRUG-Ruhla Gesellschaft für Notrufe, Sicherheitssystem und Kontrolldienste mbH Universal, personal emergency call, security and / or control device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013013483A1 (en) * 2013-08-15 2015-02-19 Deutsche Telekom Ag Method and system for issuing a user-individually configured alarm message by a telecommunications terminal registered in a telecommunications network, computer program and computer program product

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