EP3895140A1 - Monitoring device and arrangement - Google Patents
Monitoring device and arrangementInfo
- Publication number
- EP3895140A1 EP3895140A1 EP19779506.5A EP19779506A EP3895140A1 EP 3895140 A1 EP3895140 A1 EP 3895140A1 EP 19779506 A EP19779506 A EP 19779506A EP 3895140 A1 EP3895140 A1 EP 3895140A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- monitoring device
- monitoring
- measured values
- sensor element
- evaluation unit
- 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.)
- Pending
Links
Classifications
-
- 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
- G08B21/0438—Sensor means for detecting
- G08B21/0461—Sensor means for detecting integrated or attached to an item closely associated with the person but not worn by the person, e.g. chair, walking stick, bed sensor
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B19/00—Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
-
- 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
- G08B21/0423—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons based on behaviour analysis detecting deviation from an expected pattern of behaviour or schedule
-
- 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
- G08B21/043—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons based on behaviour analysis detecting an emergency event, e.g. a fall
-
- 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
- G08B21/0438—Sensor means for detecting
- G08B21/0469—Presence detectors to detect unsafe condition, e.g. infrared sensor, microphone
-
- 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
- G08B21/0438—Sensor means for detecting
- G08B21/0492—Sensor dual technology, i.e. two or more technologies collaborate to extract unsafe condition, e.g. video tracking and RFID tracking
Definitions
- the present invention concerns a monitoring device as well as a monitoring arrangement.
- Monitoring devices and arrangement are generally known for a wide area of applications, for example patent monitoring but also monitoring commercial and/or work environments like shops, offices or factories for security, HSE and/or optimiza tion reasons.
- the demographic change and the increasing part of the elderly in the population will most likely lead to serious difficul ties with care services in the short or at least medium term, especially since there is a trend towards elderly people liv ing alone. For example, it may be estimated that of the 8 mil lion people over 65 in Germany in 2019 approximately 2 million people will eventually require care services provided to their homes. Especially, since most of those people cannot afford private home care, efficient and effective care services are required .
- a currently rather widespread technology is the use of an emergency button system to be worn by the patients, e.g. like a necklace or a wristband.
- the system comprises a button to be pressed in case of an emergency by the patients to remotely initiate an alarm signal at an operation center, which then can send help.
- Disadvantage of this system are the low accept ability of actually wearing the emergency button system at all times as well as the requirement of the patient actively push ing the emergency button. The latter is simply not viable in case of emergencies where the patient becomes demented, for getful, anxious or unconscious.
- the system is prone to false alarms or misuse, e.g. in case a patient feels lonely and uses the emergency button for a person to simply come visit faking an emergency is far more prevalent.
- Closed-Circuit-Television-Systems might be used for surveillance purposes and for post-factor clarification of incidents, e.g. shoplifting or work-related accidents, while motion sensors might be used to detect tres passing in times the monitored area should be generally quiet, e.g. outside of working hours.
- the present invention concerns a monitoring device comprising attachment means to mount the device to a surface in a vibra tion transferring way for the monitoring device to be sub jected to any vibration of the surface when properly mounted thereto, sensor elements for continuously detecting measure ments reflecting the surroundings of the monitoring device and a communication module to transmit the measured values to a central evaluation unit, wherein the sensor elements comprise an accelerometer
- sensor elements are suitably arranged relative to the attachment means to detect their respective measurements when the monitoring device is properly mounted.
- the present invention concerns a monitoring ar- rangement comprising at least one monitoring device according to one of the preceding claims and a central evaluation unit, wherein the monitoring device (s) and the central evaluation unit are connected for the monitoring device (s) to transmit the measured values to the central evaluation unit, wherein the central evaluation unit is configured to
- the invention is based on the insight that by combining a cer tain set of common and rather unsophisticated sensor elements for continuous measurements, a sufficient and reliable moni toring in various applications is possible without severely intruding the privacy of any user knowingly or unknowingly within the monitored area and resulting only in a manageable amount of data to be processed. Due to the simplicity of the sensor elements the inventive monitoring device also allows for cost-effective production.
- the monitoring de vice When used as a patient monitoring device, the monitoring de vice provide sufficient information to determine the well-be ing of a human within the reach of the patent monitoring de vice, especially by means of comparing instantaneously meas ured values and their changes with empirical data from the past. Consequently, automatic determination of deviations from the empirical data can indicate at a potential emergency situ ation.
- any other area e.g. in a commercial environment, may be monitored by a monitoring device in accordance with the invention.
- the monitoring device Due to the plurality of sensors provided in the monitoring device, the monitoring device can provide meaning ful data on the monitoring area and actions happening therein, especially when the instantaneously measured values are put in relation to empirical data from the past.
- all sensors used are specifically selected to ensure a privacy level for every person entering the monitored area knowingly or unknowingly that is widely accepted as being sufficient to not even require the explicit consent of said person. While the sensors are generally suitable to clearly identify the presence of a person in the monitored area and might even al low conclusions on the constitution of a person or the activ ity performed by him, the person remains completely anonymous at all times.
- the inventive monitoring device is not restricted to the monitoring of people, but may also be used to concur rently or exclusively monitor any machine or the like within the monitored area.
- the machine to be monitored usu ally does not need to be altered in any way. Rather, it is of ten sufficient to simply mount a monitoring device close the machine.
- the "empirical data from the past" mentioned in the above ap plication examples is preferably composed of values measured by the respective monitoring device itself: with the monitor ing device being in place for a certain amount of time, typi cal sensor readings, which might be dependent on time or any other factor, even other measured values, may be determined, which might then serve as a basis for comparison.
- Continuous measurements in context of the present invention encompasses a constant taking of measurements of a sensor as well as periodic taking of measurements in short intervals of e.g. 5 to 20 seconds, preferably of approx. 10 seconds.
- the monitoring device is configured to be mounted to a surface so that the accelerometer can detect vibrations of said sur face.
- the surface can e.g. be the wall of a room or any other structural element in a building.
- an item e.g. a piece of furniture within a room or a machine may provide a surface for the monitoring device to be mounted to.
- the item preferably transfers vibrations of the floor of e.g. a room or a hallto the monitoring device while at the same time not being moved around too often.
- a bookshelf, wardrobe, a desk or a table might be suitable items for the monitoring device to be mounted to, while light chairs often are not.
- the inventive monitoring de vice - if suitably mounted - is usually capable of detecting footsteps and falls of a human, as well as any vibrations in pokerd into the floor of a room or hall by e.g. vehicles or ma chines.
- the accelerometer prefera bly is configured to detect vibration and movement in three perpendicular axis, including especially the Z axis capturing vertical vibration on surfaces from floors due to e.g. human movements. This way, the accelerometer can register any vibra tion in all directions in space.
- the noise detector of the monitoring device allows the regis tration of noises in the surroundings of the monitoring de vice.
- the invention realized that for the present monitoring purposes, it is sufficient to measure the noise level and, eventually, the noise frequency. Explicitly, the recording of speech or voice recognition is not required, thus the privacy of people close to the monitoring device is secured. Prefera bly, the maximum resolution of the noise detector is even re stricted to a resolution insufficient for recording speech. With this restriction of the actual hardware used as a noise detector, the low invasion of privacy can be guaranteed and verified by external parties.
- the far infrared sensor element may help to identify the pres ence of a person in the surroundings of the monitoring device.
- single infrared sensors or arrays of infrared sen sors may be used.
- the infrared sensor array has a resolution sufficient for differ entiating a human from the environment but insufficient to re flect the human's detailed movements and actions.
- the resolu tion is thus preferably sufficient to reliably detect the pre sent of a human being and to e.g. distinguish a human from e.g.
- the far infrared sensor may detect body temperature from at least 7 meters away.
- a suitable array of infrared sensors with a resolution sufficiently low to be able to determine the presence of a human but not to picture the actual activity of the human are the MLX90621 by Melexis NV, Belgium, which offers a resolution of 16 x 4 Pixels in a view ing field of up to 100° x 25°, or the AMG8833 from Panasonic, Japan, which offers a resolution of 8 x 8 Pixels at a viewing angle of approx. 60° and a temperature depth of 127 gradients per pixel .
- the CO2 sensor element either the total concentration or at least relative changes in concentration of CCy in the air surrounding the monitoring device can be monitored. Apart from human respiration, this sensor element may hint at certain hu man actions as well as certain emergencies.
- the CO2 sensor element in a monitoring device mounted in a kitchen might be utilized to hint a human to be cooking as a sign of him getting sufficient nutrition but also help to detect fire due to a left on stove. Said fire detection is also important for commercial application, where a fire may not be visible at first due to it starting inside a machine or a suspended ceil ing.
- the sensor element may be used to monitor the CO2 concentration in the air in an open-plan office to e.g. monitor sufficient ventilation.
- the CO2 sensor elements is integrated in or supple mented with a TVOC ("total volatile organic compounds”) sensor element, which can provide additional information on the sta tus of the surroundings of the monitoring device and, if re quired, the status and health of a human or a chemical testing or production setup therein.
- a TVOC sensor elements al cohol, cleaning fluids, cooking smells, biological smells, e.g. form a bathroom or a (bio- ) chemical process might be reg istered .
- the light sensor of the monitoring device can be used to pro vide supplemental information about the general activity and/or the occupancy in a room or an area.
- the light sensor can help to recognize whether the window shades have been opened and/or whether additional lighting is re quired, during nighttime whether the light is switched on.
- the light sensor element is capable of distin guishing between natural and artificial light. Especially due to the rise of energy saving light sources that have a spec trum very different from that of natural light, this distinc tion can easily be made.
- the monitoring device may comprise an ambient temperature sensor element.
- the ambient temperature captured by said sensor element may be used to calibrate at least one tempera ture dependent sensor element depending on the measured ambi ent temperature, wherein said calibration can be done con stantly and continuously, i.e. whenever the ambient tempera ture changes the temperature dependent sensor element is re calibrated.
- the far infrared sensor element may be calibrated to provide the absolute body temperature of a human. This way, not only can a human presence be detected by the far infrared sensor element, but his absolute temperature can also be obtained.
- the meas ured ambient temperature may be used to calibrate the noise reduction of e.g. the far infrared sensor element. It can be observed that some sensors show temperature dependent noise levels, which - in order to allow best filtering out the ac tual measurements - require noise cancelling dependent on the actual noise level.
- the monitoring device may comprise means to meas ure the signal strength of Wi-Fi-signals of Wi-Fi-devices in the surroundings. Due to many people carrying a Wi-Fi-device - e.g. a smartphone or a smartwatch - around with them, the sig nal transmitted by said Wi-Fi-device may be used to help de tecting the presence of a person.
- the sensor device detecting the Wi-Fi-signal strength may be provided as a function of the communication module described below.
- the monitoring device comprises an internal clock for timestamping all measured values.
- all measures val ues are mapped to an unambiguous time identifier that allows a correct order of the various values.
- the time stamps also al lows interrelating the measurements of two or more monitoring devices. For example, if two monitoring devices are installed in different rooms, by interrelating the vibration measure ments by the respective accelerometer the movement of a person from one room to the other can be detected, possibly even al lowing conclusions on the walking speed of a person.
- interrelating the measurements of two or more monitor ing devices is greatly simplified, if these monitoring devices use synchronized time stamps. Therefore, the internal clock of the monitoring device is preferably synchronized to an exter nal time reference via the communication module.
- Additional sensors may comprise a pressure and/or humidity sensor element, a magnetic field sensor element and/or a sen sor element suitable for detecting electromagnetic interfer ence of e.g. a cooker, a heater or a washing machine.
- All sensor elements present in an inventive monitoring device are arranged in a way that they provide generally unbiased measurement results if the monitoring device is correctly mounted. Regularly, all sensors requiring direct access to the surroundings of the monitoring device are arranged connected to a surface of the monitoring device not being used for mounting by e.g. means of an opening.
- none of the sensor elements cited above as such is generally sufficient to monitor the surrounding of the monitoring device for enhanced monitoring purposes like e.g. patient monitoring. Furthermore, it is generally not pos sible to define any common rules for determining an emergency situation or the like. However, it has been realized by the present invention that continuously monitoring at least the sensor elements cited in the main claim can, over a certain period of time, provide an image of a typical routine within the monitored area in form of measurements. While these data do generally not allow detailed conclusions on the actual ac tivity going on in said area, they are sufficient to assume an emergency or other kind of problem in case they show a large deviation from the empirically established routine. This is especially the case if all regularly used areas in a factory or other commercial facility, or rooms of a house or flat, in cluding the bathroom, are equipped with an inventive monitor ing device.
- the inventive device does not comprise any pro cessing means itself but rather relies on a communication mod ule to transmit the measured values to a central evaluation unit, where the actual processing of data happens.
- the centralized processing of data facilitates the co-processing of measured data of a plurality of related monitoring devices, e.g. all monitoring devices present in a patient's house or commercial facility. Furthermore, if the measured data of the monitoring devices of a plurality of deployment locations, i.e.
- the communication module is configured to connect to a Wi-Fi and/or a mobile network to transmit the measured values to the central evaluation unit.
- the actual data trans fer may be handled via any arbitrary data transport scheme, e.g. as used for the internet.
- the communication module comprises an intermediate storage memory to buffer the measured values.
- the intermediate storage memory may be used only in cases the communication module temporarily loses its connection.
- the intermediate storage memory may be utilized to provide a generally batchwise trans mission of the measured values. This allows the connection of a monitoring device to be active only in intervals, which can save both energy and network load.
- the batches need to be transmitted in sufficiently short intervals to e.g. still allow for a near-realtime monitoring of a patient. How ever, even in such application cases, typical and sufficient intervals for transmitting batches of measured values might e.g. be every minute or every 30 seconds.
- the data provided to the central evaluation unit is timestamped by the monitoring device, i.e. for each meas ured value the time of the actual measurement is derivable.
- Said time stamps may be provided by an internal clock of the monitoring device.
- This internal clock is preferably syn chronized to an external time reference, whose signal might e.g. be received via the communication module.
- the external time reference might stem from common accurate clock source (e.g. a radio time signal like DCF77 or an internet time server like an NTP server) .
- the central evalua tion unit might be configured to transmit a time synchronizing signal to the monitoring device (s) .
- Said time synchronizing signal might be based on a common accurate clock source.
- the central evaluation unit transmits an arbi trary time synchronizing signal. This allows all measurements, even from different monitoring devices, to be accurately allo cated the correct time or at least point in time.
- the central evaluation unit - as e.g. present in the inventive arrangement - is configured to receive and save, i.e. ware house the received continuously measured values of all sensor elements of all monitoring devices connected thereto, at least temporarily. Based on the received data, the typical variation in the measurements during a given period, e.g. a day, can be determined or - if preexisting - updated. For this, the meas ured values of several monitoring devices that are logically related, e.g. because being installed in the same house, flat or commercial facility, may be processed and analyzed concur rently in order to better determine the potential deviations of the typical variation in the measurements.
- General mathe matical methods to derive typical variations in data series and sets of data series are known in the prior art. A skilled person can readily utilize on these known mathematical founda tions and apply them to the data gathered by the inventive de vice .
- any discrepancies in future measured val ues from the typical variations may be determined and assessed for relevance.
- the co-processing of the measured values of related monitoring devices may be helpful since a discrepancies in the measured values of a first monitoring de vice from its typical variation in the measurements during the day may either be countered or amplified by a respective dis crepancy in the measured values of a second monitoring device relating to the first monitoring device.
- general mathe matical methods to determine and assess said discrepancies are known .
- the central evaluation unit may put out a notification or an alert.
- this alert could, for exam ple, be forwarded to an operation center, which may automati cally or manually try to contact the patient in question by e.g. phone in order to remotely check his wellbeing or inform care staff to personally check on the patient.
- any discrepancy resulting in a notification might be an indi cation of an approaching defect of a machine, the decreased well-being of one or more employees, an accident or any other deviation of the ordinary course of events.
- a severe discrepancy is established in view of the standard variance of the measured values of a measure ments and/or a combination of severe discrepancies for two or more measurements.
- meas ured values of a plurality of related monitoring devices may be considered when establishing a severe discrepancy.
- the central evaluation unit may be configured to determine and/or observe correlations between the received continuously measured values of at least two different moni toring devices. By doing this, additional observations can be made that are not possible to be determined on the measured values of a single monitoring device. For example, the move ment of one or more persons from an area monitored by a first monitoring device to an area monitored by a second monitoring device can be determined by recognizing diminishing footstep vibrations by the first monitoring device and concurrent or slightly delayed increase in respective vibrations detected by the second monitoring device.
- the central evalu ation unit may further be configured to e.g. determine the speed of movement, which might allow conclusions on e.g. the age of an unknown person in commercial applications or the well-being of a patient in home applications.
- Figure 1 a schematic illustration of a first embodiment of a monitoring device according to the present in vention ;
- Figure 2 a schematic diagram of a first embodiment of a monitoring arrangement according to the invention utilizing a monitoring device according to figure 1 ;
- Figure 3 a schematic diagram of a second embodiment of a monitoring arrangement according to the invention utilizing a monitoring device according to figure
- Figure 1 shows the schematics of a first embodiment of a moni toring device 1 according to the present invention. Elements, which are inside the monitoring device 1 and thus not actually visible are depicted in broken lines.
- the monitoring device 1 comprises of a housing 2 with mounting holes as attachment means 3 to fixedly mount the monitoring device 1 with its bottom 4 to a surface, e.g. a wall.
- the at tachment means 3 allow a mounting of the monitoring device 1 that transfers all vibrations from the mounting surface to the device 1.
- the housing 2 of the monitoring device 1 holds a plurality of sensor elements 10, wherein some of the sensor elements 11 are fully encapsulated by the housing 2, while other sensor ele ments 12, 13, 14, 15, 16 are connected with the outside by means of apertures in the top 5 of the housing 2.
- One sensor element 10 is an accelerometer 11, which is config ured to detect vibration and movement in three perpendicular axis.
- the accelerometer 11 can detect even the slight est vibrations caused by e.g. a person walking in the room surrounded by the wall, the device 1 is attached to.
- the device 1 also comprises a noise detector 12, which is only capable of registering noise, but does not provide sufficient maximum resolution to record speech.
- the far infrared sensor element 13 comprises an infrared sen sor array in a matrix of 8x8, which is sufficient to differen tiate a human from the environment.
- the far infrared sensor element 13 is supplemented by an ambient temperature sensor element 14, which helps to calibrate the far infrared sensor element 13 in order not to only determine temperature differ ences but also calibrate the noise reduction within the far infrared sensor element 13 and record absolute temperature values .
- the sensor element 15 is a combined CCy- and TVOC-sensor ele ment.
- the light sensor element 16 is capable of detecting light intensity but also to differentiate between natural and artificial light by means of analyzing the light spectrum.
- All sensor elements 10 are connected to a communication module 20.
- the communication module 20 is a Wi-Fi-communication module suitable for connecting to a Wi-Fi-network .
- the communication module 20 acts as a sensor element 10 by collecting information about all Wi-Fi-devices being active within its reach and their respective signal strength.
- the communication module 20 is configured to collect the meas ured values of the sensor elements 10, wherein some of the sensor elements 10, e.g. the accelerometer 11 and the noise sensor 12, continuously provide measurement values, while other sensor elements 10 like e.g. the CCy- and TVOC-Sensor el ement 15 provide readings every 10 seconds.
- the measurement values collected from the various sensor elements 10 at indi vidual rates are timestamped by utilizing an internal clock of the communication module 20 and cached in an intermediate storage memory of the communication module 20. This is also true for the information collected about the active Wi-Fi-de vices being in reach.
- the internal clock of the communication module 20 can be synchronized to a signal received via an Wi- Fi-connection by the communication module 20.
- the communication module 20 transmits the collected measure ment values batchwise every 30 seconds via an established Wi- Fi-connection and the Internet to a central evaluation unit 30, which will be explained in more detail in context with figure 2.
- FIG. 2 schematically shows a patient's home 40, where every room 41 that is regularly used is equipped with a monitoring device 1 according to figure 1.
- a monitoring device 1 is mounted to a wall of the respective rooms 41.
- the patient's home 40 is also equipped with a Wi-Fi-Router 42 that allows Wi-Fi-enabled devices such as the monitoring de vices 1 to connect to the internet.
- the monitoring devices 1 are connected to the central evaluation unit 30, which comprises a processing unit 31 and a storage unit 32.
- Each of the monitoring devices 1 transmits their respective measured values batchwise in intervals of approx. 30 seconds to the central evaluation unit 30, where there are at least temporarily stored in the storage unit 32.
- the received data is also processed by the processing unit 31 in order to deter mine a typical variation in the measurements during a day.
- the measured values of all monitoring devices 1 that can be regarded to be related due to be installed in the same pa tient's home are analyzed concurrently.
- the determined varia tion in the measurements during a day is then stored in the storage unit 32. In case a respective variation has already been determined, additional data received from the monitoring devices 1 is used to verify or update said variation.
- an alert is put out by the central evaluation unit 30, e.g. in form of an electronic message to an operation center which may then take further action.
- a monitoring device 1 in a first room 41 usually registers vibrations caused by a human walking around in a specific daily time frame
- a sudden stop in the vibration measured by said monitoring device 1 may be countered by an other monitoring device 1 in a different room 41 where similar vibration suddenly occur, suggesting the human having changed the room 41.
- this might be unusual based on the previous observations as represented by the variation in the measurements during a day, such a change in the measured sig nals do not necessarily need to raise a concern.
- said vibration measured by a specific monitoring device 1 abruptly stops without other changes in the measured values potentially explaining the stop in the vibration, may cause an alert due to the risk of the patient having a sudden medical emergency .
- Figure 3 schematically shows an exemplary second embodiment of monitoring arrangement, this time in a commercial building 50 which may either be a warehouse or a factory building. For il lustrative purposes, only the scaffolding of the building 50 is shown.
- monitoring devices 1 are fixedly mounted to the scaffolding 51. Due to the scaffolding 51 being firmly attaches to the foundation of the building 50, vibra- tions induced in hall floor 52 are transferred to the scaf folding 51. Taking into account the dampening of the hall floor 52, such vibrations are registered in various intensi ties by the individual monitoring devices 1 depending on the actual location, where they are induced in hall floor 52.
- the monitoring devices 1 transmit their measured values to the central evaluation unit 30 via a wireless data connection.
- the internal clocks of the com munication modules 20 of all monitoring devices 1 also get synchronized.
- the central evaluation unit 30 trans mits a synchronizing signal to all monitoring devices 1 at given intervals.
- the synchronizing signal may be based on an external time reference accessible to the central evaluation unit 30, e.g. an internet time server utilizing the network time protocol (NTP) or a time signal transmitter like DCF-77.
- NTP network time protocol
- the monitoring devices 1 are distributed throughout the build ing 50 so that the whole building 50, i.e. every point within the building 50, is monitored. For this, the areas monitored by two adjacent monitoring devices 1 might overlap with each other, which increases the spatial resolution of the monitor ing arrangement: In case a certain local event results in a notable deviation from the typical variation at two neighbor ing monitoring devices 1 at the same time and with approxi mately the same intensity, it may be assumed that the local event happened in the area of overlap of the two areas moni tored by the two monitoring devices 1 respectively.
- the monitoring devices 1 are capable of monitoring the opera tion of machinery mounted on the hall floor 53 as well as movement of people and vehicles, e.g. forklifts, within the building 50 by utilizing the various sensor elements 10 of the monitoring devices 1. For the latter, the central evaluation unit 30 puts the received continuously measured values of all monitoring devices 1 into correlation, thus allowing monitor ing of movements between areas monitored by two different mon itoring devices 1.
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Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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EP18211668.1A EP3667633B1 (en) | 2018-12-11 | 2018-12-11 | Patient monitoring device and arrangement |
PCT/EP2019/076893 WO2020119977A1 (en) | 2018-12-11 | 2019-10-04 | Monitoring device and arrangement |
Publications (1)
Publication Number | Publication Date |
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EP3895140A1 true EP3895140A1 (en) | 2021-10-20 |
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Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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EP18211668.1A Active EP3667633B1 (en) | 2018-12-11 | 2018-12-11 | Patient monitoring device and arrangement |
EP19779506.5A Pending EP3895140A1 (en) | 2018-12-11 | 2019-10-04 | Monitoring device and arrangement |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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EP18211668.1A Active EP3667633B1 (en) | 2018-12-11 | 2018-12-11 | Patient monitoring device and arrangement |
Country Status (6)
Country | Link |
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EP (2) | EP3667633B1 (en) |
ES (1) | ES2965213T3 (en) |
HR (1) | HRP20231577T1 (en) |
HU (1) | HUE064348T2 (en) |
PL (1) | PL3667633T3 (en) |
WO (1) | WO2020119977A1 (en) |
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CN112511912B (en) * | 2020-11-18 | 2023-10-17 | 厦门物之联智能科技有限公司 | Equipment and method suitable for sensing signal analysis |
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US6002994A (en) * | 1994-09-09 | 1999-12-14 | Lane; Stephen S. | Method of user monitoring of physiological and non-physiological measurements |
US6116089A (en) * | 1997-08-07 | 2000-09-12 | Reliance Electric Technologies, Llc | Method and apparatus for identifying defects in a rotating machine system |
US7126467B2 (en) * | 2004-07-23 | 2006-10-24 | Innovalarm Corporation | Enhanced fire, safety, security, and health monitoring and alarm response method, system and device |
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US10147298B2 (en) * | 2015-01-12 | 2018-12-04 | Koninklijke Philips N.V. | System and method for monitoring activities of daily living of a person |
US10244360B2 (en) * | 2016-06-12 | 2019-03-26 | Apple Inc. | Determining location of mobile device using sensor space to physical space mapping |
-
2018
- 2018-12-11 HU HUE18211668A patent/HUE064348T2/en unknown
- 2018-12-11 EP EP18211668.1A patent/EP3667633B1/en active Active
- 2018-12-11 PL PL18211668.1T patent/PL3667633T3/en unknown
- 2018-12-11 HR HRP20231577TT patent/HRP20231577T1/en unknown
- 2018-12-11 ES ES18211668T patent/ES2965213T3/en active Active
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2019
- 2019-10-04 WO PCT/EP2019/076893 patent/WO2020119977A1/en unknown
- 2019-10-04 EP EP19779506.5A patent/EP3895140A1/en active Pending
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HRP20231577T1 (en) | 2024-03-15 |
HUE064348T2 (en) | 2024-03-28 |
EP3667633A1 (en) | 2020-06-17 |
PL3667633T3 (en) | 2024-03-04 |
WO2020119977A1 (en) | 2020-06-18 |
EP3667633B1 (en) | 2023-09-13 |
ES2965213T3 (en) | 2024-04-11 |
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