EP4128183A1 - Détecteur d'avertissement pour l'avertissement d'une pollution excessivement élevée de l'air avec des particules et, en particulier, des virus d'une certaine taille - Google Patents

Détecteur d'avertissement pour l'avertissement d'une pollution excessivement élevée de l'air avec des particules et, en particulier, des virus d'une certaine taille

Info

Publication number
EP4128183A1
EP4128183A1 EP21758690.8A EP21758690A EP4128183A1 EP 4128183 A1 EP4128183 A1 EP 4128183A1 EP 21758690 A EP21758690 A EP 21758690A EP 4128183 A1 EP4128183 A1 EP 4128183A1
Authority
EP
European Patent Office
Prior art keywords
unit
concentration
limit value
designed
warning
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Withdrawn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
EP21758690.8A
Other languages
German (de)
English (en)
Inventor
Ralph Wystup
Markus Humm
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.)
Ebm Papst Mulfingen GmbH and Co KG
Original Assignee
Ebm Papst Mulfingen GmbH and Co KG
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 Ebm Papst Mulfingen GmbH and Co KG filed Critical Ebm Papst Mulfingen GmbH and Co KG
Publication of EP4128183A1 publication Critical patent/EP4128183A1/fr
Withdrawn legal-status Critical Current

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
    • G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06—Investigating concentration of particle suspensions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/22—Indexing; Data structures therefor; Storage structures
    • G06F16/2228—Indexing structures
    • 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
    • G08B21/18—Status alarms
    • G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm 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
    • G08B25/10—Alarm 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 using wireless transmission systems
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/01—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials specially adapted for biological cells, e.g. blood cells
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06—Investigating concentration of particle suspensions
    • G01N15/075—Investigating concentration of particle suspensions by optical means

Definitions

  • Warning device to warn of excessive air pollution of the air with particles and in particular viruses of a certain size
  • the invention relates to a warning device for warning of excessive air pollution in the air and in particular in room air with particles of a certain size, which with sufficient probability are viruses or other pathogens.
  • viruses or other pathogens There is a large number of diseases or pathogens and in particular disease-causing viruses which spread through the air and in particular through aerosols and thus in the air as aerosol particles present. It is therefore desirable to be able to detect such viruses in the air and to be able to warn of their presence when predetermined limit values are exceeded.
  • the limit values can be concentrations of the particles in the air, for example, from which an infection of a person becomes increasingly likely.
  • warning devices such as fire or smoke detectors
  • these are not suitable for detecting potential pathogens present as particles in the air and for comprehensively informing people who are affected by the warning.
  • the invention is therefore based on the object of overcoming the aforementioned disadvantages and providing an alarm or a system comprising such an alarm by which or by which persons concerned quickly and effectively from particles present in the air of a certain size or exceeding a warning of a concentration of particles in the air, which with sufficient probability are pathogens.
  • This object is achieved by the combination of features according to claim 1.
  • the basic idea of the invention is to provide a warning device with a sensor unit, the sensor unit being designed in accordance with the applications with the file numbers DE 10 2020 120 199.0 and DE 10 2020 124 740.0, so that the persons concerned can be warned quickly and effectively.
  • the applications mentioned with the file numbers DE 10 2020 120 199.0 and DE 10 2020 124 740.0 and their content are hereby incorporated by reference into the present application.
  • a warning device for warning of an excessive air pollution of the air with preferably organic particles of a certain size, which with sufficient probability are viruses.
  • the particles against which a warning is to be given can preferably be fragmented by vibrations so that they can be broken up.
  • the alarm device has a sensor unit which is designed to detect a concentration of vibration-fragmentable and in particular organic particles with a specific target diameter in the air by determining a difference between a first light scatter on a first sample of the air and a second light scatter on a second sample to determine the air.
  • the sensor unit is, for example, a sensor unit which is designed to carry out the method according to application DE 10 2020 120 199.0, or the sensor according to application DE 10 2020 120 199.0.
  • the sensor unit can also be designed to carry out the method according to the application DE 10 2020 124 740.0, or the sensor unit is a device according to the application DE 10 2020 124 740.0.
  • the particles in the first sample are unaffected and, in particular, unfragmented particles from the air and the particles in the second sample are fragmented by a vibration. animal particles from the air.
  • the warning device has a reporting unit which is designed to measure the concentration of the particles in the air when the concentration reaches a predetermined limit value, i.e. when the concentration exceeds the limit value and/or when the concentration falls below the limit value. Report to.
  • the limit value is, for example, the value of the concentration at which an infection with the pathogen or the virus becomes possible.
  • several limit values can also be stored, in which case a warning can then be given when each limit value is reached.
  • the particles or the organic particles can be understood in simplified terms as a body which can be made to oscillate.
  • a body with a spherical shell. If the particle vibrates strongly enough, this shell or particle will break apart, allowing the pathogen to be deactivated and the particle to be 'cracked' or fragmented into smaller pieces.
  • the oscillation or the strength of the oscillation is dependent, for example, on the wavelength of a light exciting the oscillation and the intensity of the light as well as on an irradiation duration or a pulsing.
  • the particle can also be made to vibrate, for example, by applying ultrasound to the particle, with the vibration being dependent in particular on the frequency of the ultrasound, which can also lead to vibration fragmenting the particles.
  • the vibration By adjusting the wavelength of the light and/or the frequency of the ultrasound to a value determined by the respective type of particle and its diameter In this dependent resonance range, such an effect can be amplified or achieved with a comparatively low use of energy, since less energy has to be expended to “destroy” or break up the particles.
  • a destroyed particle comprising several parts, which previously had a diameter corresponding to the target diameter, has changed light scattering properties compared to the whole particle, since the light is no longer scattered by a single particle but by its smaller individual parts or fragments.
  • a concentration of the particles in the air from which the samples were taken can be determined based on a difference between the first light scatter on the first sample with fragmented particles and the second light scatter on the second sample with non-fragmented particles.
  • the sensor unit can determine the concentration at regular time intervals, depending on previously determined concentrations, or continuously. Alternatively, it is also possible for the sensor unit to check the concentration at intervals in a first operating mode and, when the concentration exceeds a limit value, to switch to a second operating mode in which the concentration is continuously measured or checked.
  • test button which can be used to test the functionality and output a corresponding signal. Furthermore, to test the functionality, it is also possible to bring a harmless substance to the sensor unit, which triggers the warning device or generates a warning message if it is functioning correctly.
  • the alarm preferably has a power supply which the sensor unit and the reporting unit - if required - with a supplied with the operating voltage required for their operation.
  • the reporting unit has a display unit that is designed to report optically that the limit value has been reached and/or the concentration.
  • the reporting unit can also have a loudspeaker unit, which is designed to report acoustically that the limit value has been reached and/or the concentration.
  • a display or a light source such as an LED, can act as a display unit, for example, which display appropriate information when the limit value is reached according to a predetermined logic and, in the case of a simple light source, can flash.
  • the warning can be given in the form of simple tones, but also, for example, in the form of a previously recorded voice message.
  • the reporting unit has a transmission unit for wired signal transmission, which is designed to report that the limit value has been reached and/or the concentration by transmitting an electrical signal to a receiver.
  • the signaling unit or the warning device can be connected to the Internet or a building automation system via the transmission unit or a wired signal transmission implemented by this.
  • the reporting unit has a transmitter unit and/or a receiver unit for wireless signal transmission.
  • the transmitting unit which can be integrated with the receiving unit in a transceiver, is designed to report that the limit value has been reached and/or the concentration by transmitting a radio signal to a radio receiver.
  • a radio receiver for wireless signal transmission or as a transceiver, for example, a Bluetooth, ZigBee, WLAN or other radio module corresponding to a radio standard in question.
  • the radio receiver can, for example, be a receiver suitable for the respective radio standard, with a connection to the internet or a device connected via the internet also being able to be implemented via WLAN, for example.
  • the radio receiver can also be, for example, lighting or home automation components that can be controlled via the respective radio standard, or simply a central device such as a router, which can forward corresponding signals or messages.
  • a central device such as a router
  • the radio receiver can change the light color according to the signal transmission or according to the limit value or concentration being reached.
  • language assistants can also be considered, which can act as radio receivers or can be controlled via a central device and which can output a corresponding voice message.
  • the alarm device has a memory unit according to a further advantageous variant of the invention, which is designed to store specific identification data of the alarm device, i.e. which Allow clear identification of the associated alarm.
  • the identification data is, in particular, an unambiguous, ie unique, identification number and/or position data, which preferably allow an unambiguous geographical assignment of the warning device.
  • the position data can be GPS data, for example, but in a simple case it can also be an address with a room number. If such identification data is provided, the reporting unit is designed to send the identification data during transmission, that is to say during wired or wireless signal or data transmission.
  • the identification number and/or the position data can be in the form of an Open Location Code (Plus Code).
  • a further embodiment of the warning device is advantageous in which the transmitting unit is designed to indicate that the limit value and/or the concentration has been reached continuously or at regular intervals a large number of radio receivers, to a single radio receiver assigned to the transmitter unit or to all radio receivers located within a transmission range of the transmitter unit at the time of transmission. Accordingly, these are preferably each designed to receive signals from the transmission unit.
  • radio technology used also allows the formation of a so-called "mesh" network in which several alarm devices are connected to one another or to a control center via radio, a warning message or the recorded concentration can also be forwarded to other alarm devices and/or the control center.
  • the transmission unit can be designed as a Bluetooth Low-Energy (LE) beacon or include one.
  • LE Bluetooth Low-Energy
  • Such a beacon is a unidirectional transmitter that periodically sends Bluetooth LE data packets.
  • UUID ie a unique identification number
  • others can also transmit information on the transmission power of the beacon, with the help of which a respective receiver or radio receiver can determine an approximate distance from the radio receiver to which the beacon can determine.
  • Other beacons contain a URL in the transmitted data or signals, so that, for example, reference can be made to a database in which further information can be stored, for example, by the beacon or the transmitter unit.
  • the beacons known in the prior art mostly use Bluetooth LE advertising packets. These have a fixed length.
  • a further aspect of the invention relates to a system made up of a warning device according to the invention and a terminal device, which can be a stationary terminal device such as a computer, or a mobile terminal device such as a cell phone or smartphone.
  • the end device corresponds to a previously mentioned receiver or a previously mentioned radio receiver.
  • the end device is designed, upon receipt of a signal from the reporting unit which indicates that the limit value and/or the concentration has been reached, to report optically, acoustically and/or haptically that the limit value and/or the concentration has been reached.
  • the transmitted data ie the concentration or the reaching of the limit value, can also be further processed and, for example, a time profile of the concentration can be interpolated in order to predict when the limit value will be reached in the future.
  • the terminal can also advantageously be designed to determine a position relative to the alarm and/or a distance from the alarm using a signal strength of the signal and/or using identification data transmitted with the signal by a reporting unit. Accordingly, a warning can be given against moving in a certain direction or in a certain area in which the limit values are exceeded.
  • another aspect of the invention relates to another system made up of an alarm device according to the invention and a server with a data bank, which in principle is also a terminal device.
  • the reporting unit of the warning device has a storage unit and a transmission unit or a transmission unit, as explained above. Furthermore, the reporting unit is designed to transmit the reaching of the limit value and/or the concentration together with the identification data as a data set to the server, in particular directly via the internet or via an interposed internet-enabled or smart device.
  • the server is designed to store the data record in the database and/or to assign information stored in the database to the data record using the identification data.
  • the information stored in the database contains contact details of a contact person or an emergency contact, with the server being designed to send a message to the contact person when the data record is assigned to the stored information to transfer.
  • the owner of the premises monitored by the alarm device, a caretaker or the health department can be provided as the contact person. They can be informed of the warning by e-mail, SMS or computer voice call, for example.
  • the reaching of the limit value and/or the concentration of all suitable signals within a transmission range of the transmission unit at the time of transmission can be determined, particularly when using reporting units that are designed for wireless signal transmission radio receiver located, and in particular especially when using beacons as a reporting unit or as part of the reporting unit, the following behavior or scenarios are implemented:
  • the beacon broadcasts a UUID that is unique to the associated alerter. However, transmission is only carried out if or as long as the limit value is exceeded, i.e. discontinuously.
  • an application or app on an internet-enabled (“smart”) device that checks the device’s environment for such beacons using a Bluetooth module on the device. If corresponding advertising packages or general signals or messages are received from a beacon, the app issues a warning.
  • the signal or message transmitted by the beacon is in a format that also contains a "beacon code" containing the status of the alerter and in particular the concentration, or a URL associated with the alerter's beacon in addition to or as an alternative to a UUID.
  • the beacon sends continuously or continuously and the "beacon code" or the URL can display the status of the sensor unit in or via the app, which can be stored in a server, for example, to which the alarm device sends the corresponding information can transmit. It is advantageous here that even if the threshold value has not been exceeded, the sensor unit or the warning device or its state can be detected, so that a functional check of the warning device is possible that is independent of whether the limit value has been reached.
  • the beacon may have a UUID specific to that beacon. This could be registered centrally on a server together with its location, which means that the sensor units can be displayed in a corresponding map application. If a terminal device registers an exceeded threshold value of a sensor unit through a message from a beacon, it sends their UUID to the server, which then displays the sensor unit differently in the map and can thus warn viewers of the map. The sensor unit then does not necessarily need its own connection to the server or its own Internet connection, because the relayed devices would implement the forwarding as an intermediate station with the respective existing application or app.
  • the beacon can also be designed not only as a transmitter unit but also as a receiver unit, ie as a transceiver. In addition to the aforementioned variants, it can therefore be provided with such a transceiver that the transceiver or the receiving unit continuously monitors its surroundings for other transmitters, i.e. smart devices with Bluetooth, these transmit a respective UUID that uniquely identifies the smart device and the beacon or the alerter store these UUIDs preferably anonymously for a predetermined period of time. If the reaching of the limit value or a concentration is to be reported, the stored anonymous UUIDs can be transmitted to a server, which informs the devices about the warning or the reaching of the limit value or the concentration by means of a message.
  • a server which informs the devices about the warning or the reaching of the limit value or the concentration by means of a message.
  • a further aspect of the invention relates to a method for warning a person with a mobile terminal device having a Bluetooth module using an inventive warning device with a reporting unit that has a Bluetooth beacon as a transmitting unit and/or a receiving unit.
  • the mobile terminal device and the alarm device can communicate with one another at least briefly via Bluetooth, so that the mobile terminal device must be within a transmission and/or reception range of the alarm device's reporting unit.
  • a large number of mobile end devices can also be in the transmission and/or reception range, with the Bluetooth beacon or the reporting unit being connected to several or all mobile end devices. advises of the plurality of mobile terminals can be connected or can communicate with them.
  • the transmitter unit transmits the concentration of the particles in the air or when the limit value is reached to the mobile device continuously, at regular intervals or when the limit value is reached, with the mobile device then informing the person visually, acoustically, for example, when the limit value is reached or haptically and preferably via a dedicated application (app).
  • the mobile terminal transmits a unique identification number to the alarm device, which stores the identification number (UUID) at least for a predetermined period of time.
  • the alarm device continuously, at regular intervals or when the limit value is reached, transmits the concentration or when the limit value has been reached via a mobile phone signal or a network signal to the mobile device, which in turn informs the person visually, acoustically or haptically and preferably via an application the mobile device (app) warns.
  • communication via an interposed server can also be provided, and the identification number can be made anonymous.
  • the alarm device transmits discontinuously that the limit value has been reached and/or the concentration to all mobile end devices within range of the alarm device.
  • the warning device continuously transmits that the limit value has been reached and/or the concentration or a link to a server with the concentration to all mobile devices within range of the warning device, whereby it can alternatively be provided that the concentration and other data, such as the status or the position of the alarm, from the alarm on be stored on the server, from which the mobile end devices can call up the further data or the concentration via a link or an identifier transmitted by the alarm to the end devices.
  • the warning device continuously or discontinuously transmits that the limit value has been reached and/or the concentration to all mobile devices within range of the warning device or to at least one mobile device within range of the warning device, which indicates that the limit value has been reached and/or the concentration as well as pass on an identification number or a location of the alarm as an intermediate station to a server from which other mobile devices, which do not have to be within range of the alarm, can call up the concentration and/or whether the limit value has been reached.
  • the alarm device receives a unique identification number from the mobile end devices within range and transmits this, together with a concentration or a message that the limit value has been reached, to a server, which sends the mobile end devices belonging to the identification numbers via the mobile network or via a WLAN or Internet connection Generally informed via an Internet connection according to predetermined parameters, so that the person belonging to the mobile terminal device can be informed, for example retrospectively or in real time, about the concentration or when the limit value has been reached and, if necessary, can be warned.

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  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Dispersion Chemistry (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Toxicology (AREA)
  • Signal Processing (AREA)
  • Software Systems (AREA)
  • Data Mining & Analysis (AREA)
  • Databases & Information Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Alarm Systems (AREA)
  • Electrostatic Separation (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

La présente invention concerne un détecteur d'avertissement pour l'avertissement d'une pollution excessivement élevée de l'air avec des particules et, en particulier, des virus d'une certaine taille, le détecteur d'avertissement comprenant une unité de capteur conçue pour déterminer une concentration de particules pouvant être fragmentées par vibration d'un certain diamètre cible dans l'air par détermination d'une différence entre une première diffusion de lumière au niveau d'un premier échantillon de l'air et une seconde diffusion de lumière au niveau d'un second échantillon de l'air, les particules dans le premier échantillon étant non influencées et les particules dans le second échantillon ayant été fragmentées par vibration, et le détecteur d'avertissement comprenant une unité de rapport conçue pour rapporter la concentration de particules dans l'air lorsque la concentration d'un seuil prédéterminé a été atteinte.
EP21758690.8A 2020-10-21 2021-08-11 Détecteur d'avertissement pour l'avertissement d'une pollution excessivement élevée de l'air avec des particules et, en particulier, des virus d'une certaine taille Withdrawn EP4128183A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020127714.8A DE102020127714A1 (de) 2020-10-21 2020-10-21 Warnmelder zur Warnung vor einer zu hohen Luftbelastung der Luft mit Partikeln und insbesondere Viren einer bestimmten Größe
PCT/EP2021/072407 WO2022083914A1 (fr) 2020-10-21 2021-08-11 Détecteur d'avertissement pour l'avertissement d'une pollution excessivement élevée de l'air avec des particules et, en particulier, des virus d'une certaine taille

Publications (1)

Publication Number Publication Date
EP4128183A1 true EP4128183A1 (fr) 2023-02-08

Family

ID=77447903

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21758690.8A Withdrawn EP4128183A1 (fr) 2020-10-21 2021-08-11 Détecteur d'avertissement pour l'avertissement d'une pollution excessivement élevée de l'air avec des particules et, en particulier, des virus d'une certaine taille

Country Status (7)

Country Link
EP (1) EP4128183A1 (fr)
JP (1) JP2023545597A (fr)
KR (1) KR20230091070A (fr)
CN (1) CN115702447A (fr)
AU (1) AU2021367185A1 (fr)
DE (1) DE102020127714A1 (fr)
WO (1) WO2022083914A1 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11328554A (ja) 1998-03-24 1999-11-30 Pittway Corp 粒子センサ―を有する煙検出器
US8628976B2 (en) * 2007-12-03 2014-01-14 Azbil BioVigilant, Inc. Method for the detection of biologic particle contamination
EP2637147B1 (fr) 2012-03-09 2015-11-18 Schraner Holding GmbH Système d'alerte de danger et procédé de vérification de sa capacité de fonctionnement
EP3030879A4 (fr) * 2013-08-09 2018-01-03 CNRY Inc. Système et procédés de surveillance d'un environnement
CN105981082B (zh) * 2013-10-07 2018-08-31 谷歌有限责任公司 提供针对检测事件的有用的跟踪通信的智能住家危险检测器
US10559177B2 (en) * 2016-08-04 2020-02-11 Dean Michael Feldman Area and property monitoring system and method
DE102017210374A1 (de) 2017-06-21 2018-12-27 Robert Bosch Gmbh Alarmmelder und System umfassend ein mobiles Gerät und einen Alarmmelder, sowie Verfahren zur Bestimmung einer Position eines mobilen Gerätes innerhalb eines Gebäudes
DE102020120199A1 (de) 2020-07-30 2022-02-03 Bürkert Werke GmbH & Co. KG Verfahren zur Erfassung der Konzentration von organischen Partikeln in der Luft sowie Sensor hierfür
DE102020124740A1 (de) 2020-09-23 2022-03-24 ebm-papst neo GmbH & Co. KG Verfahren zur Erfassung der Konzentration von organischen Partikeln in der Luft sowie Vorrichtung hierfür

Also Published As

Publication number Publication date
AU2021367185A1 (en) 2023-01-05
DE102020127714A1 (de) 2022-04-21
JP2023545597A (ja) 2023-10-31
CN115702447A (zh) 2023-02-14
KR20230091070A (ko) 2023-06-22
WO2022083914A1 (fr) 2022-04-28

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