EP2068290A1 - Système d'alarme sociale - Google Patents

Système d'alarme sociale Download PDF

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Publication number
EP2068290A1
EP2068290A1 EP08170834A EP08170834A EP2068290A1 EP 2068290 A1 EP2068290 A1 EP 2068290A1 EP 08170834 A EP08170834 A EP 08170834A EP 08170834 A EP08170834 A EP 08170834A EP 2068290 A1 EP2068290 A1 EP 2068290A1
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EP
European Patent Office
Prior art keywords
sensor
unit
client
output signal
timer
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.)
Withdrawn
Application number
EP08170834A
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German (de)
English (en)
Inventor
Richard Ian Stone
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.)
Tunstall Group Ltd
Original Assignee
Tunstall Group Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tunstall Group Ltd filed Critical Tunstall Group Ltd
Publication of EP2068290A1 publication Critical patent/EP2068290A1/fr
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
    • G08B21/0407—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons based on behaviour analysis
    • G08B21/0415—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons based on behaviour analysis detecting absence of activity per se
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons

Definitions

  • the present invention relates in general to a social alarm system and to a method of controlling alarm generation within a social alarm system.
  • a social alarm system monitors the safety and wellbeing of a client in their dwelling.
  • the social alarm system comprises a client unit that is installed in the dwelling and is arranged to initiate an alarm call to a remote monitoring apparatus.
  • a remote monitoring apparatus In the event of an alarm being triggered, an operator at the remote monitoring apparatus is able to communicate with the client via the client unit.
  • the sensors may include passive infra-red movement detectors, a bed or chair occupancy sensor, an electrical appliance usage sensor, and a door usage sensor, amongst others.
  • a particularly important application is to support the increasing number of people who are likely to suffer from a cognitive impairment as they get older. It has been estimated that one in five people over eighty years old is likely to suffer from a dementia. In particular, significant numbers of people have short term memory problems or confusion. Difficulties arise such as with a tendency to have accidents in the kitchen, in the bathroom or at night. However, there is a need for the social alarm system not only to respond to the emergency situations as they happen, but also to be flexible enough not to generate false alarms.
  • At least some exemplary embodiments of the present invention aim to provide a social alarm system which reduces the number of false alarms generated.
  • a social alarm system comprising a plurality of sensors arranged to produce a plurality of sensor outputs in response to conditions within a client dwelling; a client unit arranged at the client dwelling to receive the plurality of sensor outputs from the plurality of sensors over a local communication link, and to raise an alarm call in real time according to the sensor data including initiating a speech communication path over a public switched telephone network; a monitoring apparatus located remotely from the client dwelling and operable to receive the alarm call from the client unit over the public switched telephone network and to establish the speech communication path with the client unit; wherein the client unit comprises at least one alarm logic unit, the or each alarm logic unit comprising a timer unit and a corresponding timer reset unit, the timer unit being configurable to receive an output signal from a corresponding first sensor among the plurality of sensors and to count a predetermined time upon receipt of the output signal from the first sensor, and the timer reset unit being configurable to receive at least one output signal from at least one other sensor among the plurality of sensors
  • the social alarm system is able to generate fewer false alarms because of the intelligent use of other sensors within the client dwelling. For example, in known systems an alarm will be generated if a client leaves their bed during the night to visit the toilet and does not return to bed within a predetermined time period. However, sometimes a client may visit the kitchen to make a drink or something to eat, in which case an alarm is generated even though the client is safe.
  • the present invention avoids this situation by resetting the timer unit when a predetermined safe condition is recognised by the other sensor.
  • the social alarm system will generate a true alarm if the client does not return to bed and is not detected doing a predetermined safe activity.
  • a client unit comprising at least one alarm logic unit, the alarm logic unit comprising a timer unit and a corresponding timer reset unit, wherein the timer unit is configurable to receive an output signal from a first sensor among a plurality of sensors and to count a predetermined time upon receipt of the output signal from the first sensor, and the timer reset unit is configurable to receive at least one output signal from at least one other sensor among the plurality of sensors and being arranged to reset the corresponding timer unit upon receipt of the output signal from the at least one other sensor, the client unit being arranged to raise an alarm call when the timer unit finishes counting the predetermined time.
  • a method of controlling alarm generation within a social alarm system comprising receiving an output signal from a first sensor among a plurality of sensors, starting a counter to count a predetermined time upon receipt of the output signal from the first sensor, resetting the counter upon receipt of the output signal from at least one other sensor among the plurality of sensors, and raising an alarm call to a remote monitoring centre when the counter finishes counting the predetermined time.
  • the timer unit is dynamically configurable to receive an output signal from any sensor among the plurality of sensors, and the timer reset unit is dynamically configurable to receive at least one output signal from any of the other sensors.
  • a carer or client is able to programme the system so suit the lifestyle of the client. For example, one client may often go to the kitchen during the night, so a sensor indicating activity in the kitchen may be programmed to reset the timer unit to avoid false alarms. On the other hand, a different client may never go to the kitchen during the night but may instead go to a living area to watch television, for example. In the present invention, a sensor indicating activity in the living area would be programmed to reset the timer unit. The present invention thus provides additional flexibility to the system, allowing the system to be tailored to a client's specific lifestyle.
  • the timer unit is configured to receive an output signal from a corresponding first sensor which is arranged to represent whether a user is in an expected location such as a bed or a chair; and the corresponding timer reset unit is configured to receive at least one output signal from at least one other sensor arranged to determine that a client is performing an activity falling within predetermined safe conditions.
  • the first sensor is a bed or a chair sensor
  • the second sensor is a motion sensor
  • the timer unit preferably has a real time clock and is configured to count a predetermined time only if the corresponding output signal is received from the first sensor during a predetermined time window.
  • the social alarm system can deactivate certain alarm monitoring activities during daylight hours, to avoid creating false alarms. For example, the client is unlikely to return to bed during waking hours.
  • the alarm logic unit associated with such alarm monitoring would not allow the timer to begin counting.
  • the timer unit is configured to receive an output signal from a sensor arranged to detect entry into a predetermined room at the client dwelling, and the timer reset unit is configured to receive at least one output signal from at least one other sensor arranged to detect an exit from the predetermined room.
  • an alarm may be raised if a client dwells too long in a certain room, for example a bathroom. False alarms are avoided by intelligently using other sensors to detect activity elsewhere.
  • the first sensor is a motion sensor located in the predetermined room, and the at least one other sensor is a motion sensor located in an adjacent room.
  • the predetermined room is a bathroom.
  • the timer reset unit is arranged to reset and stop the corresponding timer unit upon receipt of the output signal from the at least one other sensor.
  • the timer unit is configured to receive an output signal from a first sensor arranged to detect that an exit door from the client dwelling has been opened; and the corresponding timer reset unit is configured to receive at least one output signal from at least one other sensor arranged to detect that a client remains in the client dwelling.
  • the first sensor is a door usage sensor and the second sensor is a motion sensor.
  • the timer is arranged to count a predetermined time only after the first sensor determines that the exit door has been closed.
  • the timer reset unit is arranged to reset and stop the corresponding timer unit upon receipt of the output signal from the at least one other sensor.
  • the timer unit is arranged to be disabled to allow a person to leave the property without causing an alarm to be raised.
  • the timer unit may be configurable to receive a plurality of output signals from a corresponding plurality of sensors, and may be arranged to count a predetermined time upon receipt of at least one output signal from the plurality of sensors.
  • the timer unit is dynamically configurable so that the predetermined time is updatable.
  • an example client dwelling 1 is shown for illustration having an exemplary social alarm system installed therein.
  • sensors 101-106 are installed at various points around the client dwelling such as in the living room, bedroom, kitchen, and bathroom.
  • the sensors are arranged to communicate with a client unit 20, which in this example is located in a hallway near a main entrance of the dwelling.
  • the sensors suitably include any one or more of a movement sensor 101, an occupancy sensor 102, a door sensor 103, an electrical appliance sensor 104, a communication sensor 105 and an instant activation sensor 106, amongst others.
  • the one or more movement sensors 101 are located to monitor movement of a client in different areas of the dwelling and are conveniently passive infra-red (PIR) detectors.
  • PIR passive infra-red
  • the one or more occupancy sensors 102 measure occupancy of specific positions in the dwelling or occupancy of specific items of furniture, including, for example, a bed sensor 102a and a chair sensor 102b.
  • the one or more door sensors 103 are provided to monitor movement of a door or drawer and are typically contact sensors, such as magnetic switches.
  • a fridge door switch 103a and an exit door switch 103b are provided.
  • door sensors 103c and 103d are installed in the kitchen area to monitor movement of a cutlery drawer or the door of a food cupboard, or movement of a microwave oven door.
  • the one or more appliance sensors 104 are provided to monitor usage of electrical appliances in the dwelling and are suitably current sensors.
  • the appliance sensors 104 monitor the use of interactive appliances such as a television, radio or other entertainment device.
  • the appliance sensors 104 may also be employed to measure the use of cooking appliances such as a kettle, a fridge, a washing machine, a microwave oven or an electric cooker.
  • the one or more communication sensors 105 are arranged to monitor communication activity by the client.
  • a communication sensor 105 is integrated within the client unit 20.
  • a PSTN telephone line 31 carries telephone calls through the client unit 20, conveniently by connecting the client unit 20 with a customer termination point from the PSTN (Public Switched Telephone Network) 30 or similar wide area speech communication network.
  • the communication sensor 105 is thus arranged to monitor activity of a voice telephone by monitoring activity of the PSTN telephone line 31.
  • the one or more instant activation sensors 106 may include an instant activation button on the client unit 20. Also, the instant activation sensors 106 may include an alarm pendant worn by the client, or alarm buttons or pull-cords mounted near to floor level for easy access by a client who has fallen. The instant activation sensor 106 may include automatic sensors, such as an automatic fall detector.
  • the client unit 20 is arranged to raise an alarm call dependent upon the sensor outputs received from the sensors 101-106.
  • a primary responsibility of the client unit 20 is to actively monitor the outputs from the sensors 101-106 in real time according to a predetermined set of rules and then, when appropriate, raise an alarm call over the PSTN 30.
  • the exemplary social alarm system discussed herein is intended to be retro-fitted into an existing dwelling.
  • the sensors are installed appropriate to the needs of the client living in the dwelling and thus it is common for each dwelling to have a specially adapted set of sensors.
  • the client is elderly or infirm but is able to remain in their home with appropriate care, monitoring and assistance, by installing the social alarm system.
  • a social alarm system has many different needs and demands, particularly when compared to alarms for other purposes such as a fire alarm system or an intruder alarm system.
  • the social alarm system is integrated into the fabric of the building such as when a group of dwellings are designed and built together as a sheltered housing complex.
  • this is less common, particularly in the United Kingdom and many other countries. Even so, the needs of each client are different and over time a particular dwelling may accommodate several different clients.
  • a social alarm system which is readily installed, modified and removed with minimal disruption to the structure of the building and which can be provided at a low capital cost and with modest maintenance costs.
  • FIG 2 is a schematic overview showing the social alarm system according to an exemplary embodiment of the present invention.
  • the system comprises a set of sensors 10, one or more of the client units 20 installed in various different dwellings and a monitoring apparatus 40.
  • Figure 2 also shows a wide area communication network which in this case is a PSTN 30.
  • the sensors 10 generate sensor outputs 12 by monitoring conditions within the respective client dwelling.
  • Each client unit 20 receives the sensor outputs 12 and will raise an alarm call if needed, in real time, over the PSTN 30 including initiating a speech communication path.
  • the monitoring apparatus 40 is located remote from the client dwellings and is operable to receive the alarm call from the respective client unit 20 over the PSTN 30 and establish the speech communication path.
  • Figure 3 is a more detailed schematic overview showing the social alarm system according to two particular exemplary embodiments of the present invention.
  • the sensors 10 communicate with the client unit 20 over a local communication link 11.
  • the sensors 10 communicate over a short-range local wireless link, most suitably using the 869 MHz frequency band which has been reserved for social alarm systems in the United Kingdom.
  • the sensors 10 communicate with the client unit 20 using any other suitable wireless or hard-wired local links.
  • the sensor data is relatively simple.
  • the sensors 10 provide binary ("on” or "off") state information.
  • the client unit 20 stores the sensor outputs 12 as sensor data in a data storage unit such as a hard disk drive or solid-state memory. Each sensor output 12 is suitably time-stamped by the client unit 20.
  • the first embodiment shown in Figure 3 is a dispersed system where each client unit 20a is suitable for use in a single dwelling.
  • the client unit 20a comprises a client interface module (CIM) 21.
  • CIM client interface module
  • a primary function of the CIM 21 is to provide a speech communication path over the PSTN 30 from the client unit 20 to the monitoring apparatus 40.
  • the CIM 21 is arranged to dial a predetermined telephone number (i.e. a using a preset speed-dial) over the PSTN 30 and act as a customer premises equipment (CPE) on the PSTN.
  • the speech communication path is then available for communication between the client and an operator at the remote monitoring apparatus 40. In particular, this speech communication path is initiated automatically when an alarm condition is identified in response to the sensor data from the sensors 10.
  • the CIM 21 provides a primary data path which allows data to be exchanged between the client unit 20 and the remote monitoring apparatus 40, as shown with solid arrows in Figure 3 .
  • the client unit 20a comprises an ITU-T V.34 modem and is thus able to dial on demand over the PSTN 30 to the remote monitoring apparatus 40 to establish the primary data path.
  • the modem is suitably integrated within the client unit 21.
  • the CIM 21 receives instructions and/or programming information from the remote monitoring apparatus 40 over the V.34 modem.
  • the client unit 20a is readily installed to use an existing PSTN customer line, as found in substantially all dwellings in the UK and elsewhere, as part of the communication infrastructure of the social alarm system.
  • the system does not rely on the provision of additional communications overheads.
  • a second exemplary embodiment of the client unit 20b is also shown in Figure 3 , which is a grouped product most appropriate to a group of client dwellings in close proximity, such as a sheltered housing scheme.
  • the client unit 20b includes a telecommunications overlay unit (TOU) 23 and a communication control unit (CCU) 24, which monitor several different client dwellings simultaneously.
  • TOU telecommunications overlay unit
  • CCU communication control unit
  • the sensors 10 in each separate dwelling report the sensor data to the central TOU 23.
  • a call is raised over the PSTN 30 to the remote monitoring apparatus 40 through the CCU 24 and a speech communication path is established through to a speech terminal unit (not shown) in the appropriate dwelling.
  • the remote monitoring apparatus 40 includes an operator management unit (OMU) 41.
  • the operator management unit 41 is primarily responsible for managing and responding to alarm calls from each of the client units 20.
  • the OMU 41 routes incoming alarm calls to individual operator stations (OS) 42 for an immediate response action to be taken.
  • OS operator stations
  • the first response action taken by the system is to complete the speech communication path with the client unit 20.
  • the operator may if appropriate direct the system to initiate other responses, such as placing an outgoing telephone call to contact a warden or other carer so that they may visit the dwelling and assist the client.
  • FIG. 4 illustrates an exemplary client interface module CIM 21 in more detail.
  • the CIM 21 comprises a plurality of alarm logic units (ALU) 210a, 210b, 210c.
  • Each alarm logic unit comprises a corresponding timer unit 212a, 212b, 212c and a timer reset unit 214a, 214c, 214c.
  • ALU #1 210a illustrates the structure alarm logic units in more detail.
  • the timer unit 212a is configurable to receive an output signal from a corresponding first sensor 101-106 among the plurality of sensors and to count a predetermined time upon receipt of the output signal from the first sensor.
  • the corresponding timer reset unit 214a is configurable to receive at least one output signal from at least one other sensor from among the plurality of sensors, and is arranged to reset the corresponding timer unit 212a upon receipt of the output signal from the at least one other sensor. If the timer unit 212a counts to the corresponding predetermined time, the first alarm logic unit 210a is arranged to cause the client unit 20 to raise an alarm call.
  • FIGS. 5 to 7 illustrate further, more detailed, exemplary embodiments of the invention.
  • Figure 5 illustrates the ALU 210a.
  • the timer unit 212a is configured to receive an output signal from an occupancy sensor 102, such as a bed sensor or a chair sensor.
  • the timer reset unit 214a is configured to receive a signal from at least one movement or motion sensor 101 in the client dwelling 1.
  • the timer unit 212a In use, when a client gets out of a bed or chair the timer unit 212a begins to count a predetermined time. If the timer unit 212a counts the predetermined time before the client has got back into the bed or chair, then an absence event is generated by the ALU 210a. Correspondingly, the client unit 20 raises an alarm and initiates a speech communication channel with the remote monitoring apparatus 40 as described above.
  • a configurable monitoring period is possible.
  • a configurable time window is set (for example, from 2200 hours to 0700 hours). In this way, the timer unit 212a will only count a predetermined time, and therefore cause an alarm to be raised, during a particularly vulnerable time period, for example during the night. At all other times, alarms including false alarms are not generated.
  • a real time clock is provided on the client unit for this purpose.
  • a social alarm system operates as follows. A user leaves their bed during the night to go to the toilet.
  • the occupancy sensor 102 detects this and causes the timer unit 212a to count a predetermined time. The user then decides not to go back to bed but instead to make a cup of tea in the kitchen.
  • the motion sensor 101 detects this activity and the reset unit 214a resets the timer unit 212a to automatically extend the time period prior to an alarm being raised.
  • the motion sensor 101 causes this time period to be continuously extended whilst the sensed is ongoing. If the client becomes inactive and does not get back into bed, for example because they have had a fall, then the timer unit 212a will count the predetermined time without being reset and an alarm will be raised.
  • Figure 6 illustrates an alarm logic unit 210b according to another embodiment of the invention.
  • the timer unit 212a is configured to receive an output from a motion sensor 101 in a predetermined room.
  • the timer reset unit 214a is configured to receive an output from a motion sensor 101 located in an adjacent room.
  • the timer unit 212a begins to count a predetermined time. If the timer unit 212a counts the predetermined time then an inactive client event is generated, and the client unit 20 raises an alarm. However, if the client leaves the room being monitored before the timer unit 212a has counted the predetermined time, and the motion sensor 101 located in an adjacent room senses activity in that room, the timer unit 212a is reset and stopped.
  • a further ALU may be configured to begin a further timer unit to ensure that a client has not remained in another room for longer than a considered safe period of time.
  • this arrangement could be used to raise an alarm is a user has been in their bathroom for over one hour. This may indicate that they have fallen or are unable to get out of the bath.
  • this is achieved by using a motion sensor 101 in the bathroom and other motion sensors 101 within the property to detect activity outside the bathroom.
  • Figure 7 illustrates an ALU 210c according to a third embodiment of the invention.
  • the timer unit 212c is arranged to receive an output signal from a door sensor 103 located on an exit door.
  • the timer reset unit 214c is arranged to receive at least one output signal from a motion detector 101 within the client dwelling.
  • this arrangement can be used to detect if a client has left the client dwelling for longer than a configurable time period.
  • the alarm logic unit 2110C is armed and the timer unit 212C begins to count for a predetermined time. If the timer counts the predetermined time, then a property exit event will be generated and an alarm is raised by the client unit 20. At this stage it is also possible to generate an away state entry event which would cease monitoring of the type described with reference to Figures 5 and 6 .
  • the timer unit 212c will be reset and stopped.
  • the client unit 20 is programmable to disable the timer unit 212c for a predetermined time so that a carer may leave the property without raising an alarm.
  • a configurable time window is available to that an alarm will only be raised during a predetermined time period, such as from 2200 hours to 0700 hours.
  • this arrangement allows a client to be monitored and an alarm to be raised if the client leaves their dwelling outside the pre-specified hours, such as during the night.
  • a client may need to leave the dwelling temporarily for a short period of time to put out milk bottles and shut their front gate for example.
  • a predetermined time of five minutes can be configured to allow them to perform these tasks without raising an alarm call.
  • the client does not return to their dwelling within the predetermined time of five minutes, then an alarm is raised.
  • predetermined time of five minutes is only an example and any other predetermined time can be configured by the system.
  • the system is fully configurable and dynamically updatable by the client or a carer.
  • the predetermined times counted by the timer units 212a, 212b, 212c are all individually configurable.
  • each time unit 212a, 212b, 212c may be configured to receive an output signal from any of the sensors 101-106 in the client dwelling.
  • each timer reset unit 214a, 214b, 214c may be configured to receive output signals from any of the sensor 101-106 in the client dwelling.
  • alarm logic units there may be many more than three alarm logic units, each of which is individually configurable to suit a client's lifestyle.
  • the social alarm system of the present invention enables the client unit 20 to tailor the use of information from a plurality of sensors to the needs of a client.
  • the system also allows individual sensors to be used for multiple purposes.
  • the client unit 20 can be configured remotely by the monitoring apparatus 40.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Gerontology & Geriatric Medicine (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Psychiatry (AREA)
  • Psychology (AREA)
  • Social Psychology (AREA)
  • Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)
  • Telephonic Communication Services (AREA)
EP08170834A 2007-12-06 2008-12-05 Système d'alarme sociale Withdrawn EP2068290A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0723856A GB2455336A (en) 2007-12-06 2007-12-06 Social alarm to monitor people in a dwelling using a timer responsive to multiple sensors

Publications (1)

Publication Number Publication Date
EP2068290A1 true EP2068290A1 (fr) 2009-06-10

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EP08170834A Withdrawn EP2068290A1 (fr) 2007-12-06 2008-12-05 Système d'alarme sociale

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GB (1) GB2455336A (fr)

Cited By (6)

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Publication number Priority date Publication date Assignee Title
WO2014091073A2 (fr) 2012-12-10 2014-06-19 Seniortek Oy Système et procédé de contrôle
GR20130100183A (el) * 2013-03-29 2014-10-17 Αγγελος Σωτηριου Ζουρας Συστημα και μεθοδος αυτοματης κλησης αναγκης βασει γεωγραφικων ή χρονικων παραμετρων προς ενημερωση γειτονικα ευρισκομενων προσωπων ή αρχων με δυνατοτητα ταυτοχρονης συνομιλιας ολων σε πραγματικο χρονο και καταγραφη περιστατικου
WO2014174252A1 (fr) * 2013-04-22 2014-10-30 Arc Informatics Limited Surveillance d'activité personnelle normale
EP2901432A4 (fr) * 2012-09-25 2016-08-10 Jonas Patrik Graphenius Dispositif de sécurité et procédé associé
GB2602668A (en) * 2021-01-12 2022-07-13 Kraydel Ltd Monitoring system
EP3264384B1 (fr) * 2016-06-29 2023-12-13 9Solutions Oy Sortie de détection d'une personne à partir d'une pièce

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US7855650B2 (en) * 2008-04-15 2010-12-21 The General Electric Company System and method for monitoring the cognitive ability of a person
GB201118258D0 (en) * 2011-10-21 2011-12-07 Higgs Raymond R Apparatus for providing a warning of a person possibly having becme unwell at home

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US20070152837A1 (en) * 2005-12-30 2007-07-05 Red Wing Technologies, Inc. Monitoring activity of an individual

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US4524243A (en) * 1983-07-07 1985-06-18 Lifeline Systems, Inc. Personal alarm system
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2901432A4 (fr) * 2012-09-25 2016-08-10 Jonas Patrik Graphenius Dispositif de sécurité et procédé associé
US9558638B2 (en) 2012-09-25 2017-01-31 Jonas Patrik Graphenius Security arrangement and method therfor
WO2014091073A2 (fr) 2012-12-10 2014-06-19 Seniortek Oy Système et procédé de contrôle
EP2929517A4 (fr) * 2012-12-10 2016-08-31 Seniortek Oy Système et procédé de contrôle
GR20130100183A (el) * 2013-03-29 2014-10-17 Αγγελος Σωτηριου Ζουρας Συστημα και μεθοδος αυτοματης κλησης αναγκης βασει γεωγραφικων ή χρονικων παραμετρων προς ενημερωση γειτονικα ευρισκομενων προσωπων ή αρχων με δυνατοτητα ταυτοχρονης συνομιλιας ολων σε πραγματικο χρονο και καταγραφη περιστατικου
WO2014174252A1 (fr) * 2013-04-22 2014-10-30 Arc Informatics Limited Surveillance d'activité personnelle normale
EP3264384B1 (fr) * 2016-06-29 2023-12-13 9Solutions Oy Sortie de détection d'une personne à partir d'une pièce
GB2602668A (en) * 2021-01-12 2022-07-13 Kraydel Ltd Monitoring system
GB2602668B (en) * 2021-01-12 2024-08-07 Kraydel Ltd Monitoring system

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GB2455336A (en) 2009-06-10
GB0723856D0 (en) 2008-01-16

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