EP3818724A1 - Assembly comprising a utility meter and an autonomous sensor, and method for operating the assembly - Google Patents
Assembly comprising a utility meter and an autonomous sensor, and method for operating the assemblyInfo
- Publication number
- EP3818724A1 EP3818724A1 EP19731950.2A EP19731950A EP3818724A1 EP 3818724 A1 EP3818724 A1 EP 3818724A1 EP 19731950 A EP19731950 A EP 19731950A EP 3818724 A1 EP3818724 A1 EP 3818724A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- independent
- sensor
- consumption meter
- communication
- data
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/06—Indicating or recording devices
- G01F15/061—Indicating or recording devices for remote indication
- G01F15/063—Indicating or recording devices for remote indication using electrical means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/40—Arrangements in telecontrol or telemetry systems using a wireless architecture
Definitions
- Arrangement comprising a consumption meter and an independent sensor and method for operating the arrangement
- the present invention relates to an arrangement comprising a consumption meter and an independent sensor according to the preamble of claim 1. Furthermore, the present invention relates to a consumption meter according to claim 12 and a method for operating the arrangement according to claim 13.
- Generic consumption meters are designed in such a way that they have all the components necessary for their operation. Reading units are also built into the consumption meters so that the meter reading can be read on the consumption meter. Mechanical or digital versions of the reading unit are provided for this. To record the meter reading in conventional consumption meters, the meter reading on each consumption meter is read by one person and then noted down or entered manually into a data acquisition device. With electronic consumption meters, there is sometimes the possibility of optical data transmission using an infrared interface. Furthermore, consumption meters are known which transmit the meter reading via radio, for example via a mobile radio system.
- the data transmission from measuring units is becoming increasingly important in daily use.
- An important area of application for measuring units is the use of intelligent consumption meters, so-called smart meters.
- These are usually consumption meters integrated into a supply network, e.g. B. for energy, electricity, gas or water, which show the respective connection user the actual consumption and a communication network for transmitting the consumption data to the supplier use.
- Intelligent consumption meters have the advantage that manual readings of the meter readings are no longer necessary and the supplier can make short-term invoices according to the actual consumption. With shorter reading intervals, a more precise coupling of retail prices to the development of electricity prices on the stock exchange is possible.
- the supply networks can also be used much better.
- Generic consumption data acquisition devices or consumption counters generally transmit the measurement data in the form of data packets or data telegrams by radio, for example in the SRD (Short Range Devices) or ISM (Industrial, Scientific, Medical) frequency range to higher-level data collectors (e.g. B. Concentrators, network nodes or switching centers of a supplier).
- Data telegrams are usually made up of a number of data packets.
- the SRD or ISM frequency ranges have the advantage that they are license-free and only a general approval of the frequency management is required for use.
- the frequency of using such frequency ranges for a wide variety of technical devices such as garage door controls, baby monitors, alarm systems, WLAN, Bluetooth, smoke alarms or the like, can frequently lead to malfunctions.
- Electronic consumption data acquisition devices with radio transmitters for wireless data transmission are often used for walk-in, walk-by, drive-by or fly-by reading.
- the registration devices are read by a mobile radio receiver by customer service personnel from a vehicle (Drive-By) while driving past or on foot (Walk-By) while passing by, without having to enter the building to be read.
- energy consumption is of crucial importance, since these are mostly battery-controlled and should have as long maintenance intervals as possible, and, on the other hand, operational safety.
- radio telegrams are often sent out all year round, which are very short to save electricity, so that frequent transmission over a long period of time is possible.
- WO 2015/192174 A1 discloses a device that connects a personal control device with an intelligent meter and a home automation device with a wireless communication module that is prepared with the personal control device either via peer-to-peer or non-peer-to -peer to communicate communication protocols.
- the device also includes a communication module to communicate with the intelligent meter and the home automation device.
- DE 10 2014 102 007 B4 describes a method for transmitting data from end devices by forwarding them via data collectors to a central computing device, the data collector compiling message data sets from the received data of the end devices or status data and sending them to the central computing device, which keeps these news records ready for retrieval.
- the object of the present invention is to provide a novel arrangement and a novel method by means of which improved economy and flexibility in the operation of a consumption meter are made possible.
- an arrangement which has at least one consumption meter for flow detection and at least one independent meter Includes a sensor for detecting measured variables other than the flow, the consumption counter comprising a measurement value transmitter, a computing unit and a communication device, and the sensor comprising a sensor unit, a computing unit and a communication device, the consumption meter characterizingly having an interface for communication by radio has the independent sensor, and the consumption meter has an interface for sending the data received by the independent sensor.
- the consumption meter can be expanded by external independent sensors.
- the independent sensors measure values that are usually not recorded by the consumption meter. This also gives the opportunity to subsequently expand the measurement or functional scope of the consumption meter.
- independent sensors can be added to the arrangement or sensors that are already installed can be replaced, depending on requirements. The consumption meter can thus take over the function of a gateway for the independent sensor.
- the independent sensors can thus be dimensioned smaller than the consumption meter. This can create a possibility that the independent sensors can be installed in places where there would not be enough space for a consumption meter.
- the independent sensor can expediently have its own energy supply, as a result of which this is independent of the consumption meter or another energy source.
- the consumption meter and / or the independent sensor can expediently be designed to be energy self-sufficient. It can be particularly expedient if the energy supply of the independent sensor is independent of the energy supply of the consumption meter.
- the arrangement comprises an external, independent module, preferably a data collector, with a housing and a communication device.
- the independent module can, for example, take over the function of a data collector. So it can receive data store them temporarily and send them on.
- the independent module can also act as a gateway for the sensor data of the independent sensors. It can also be a gateway for data, in particular consumption data, of the consumption meter.
- the consumption meter and / or the independent sensor can expediently each have its own housing.
- the independent sensor can expediently be located at a location separate from the consumption meter, so that both units each have their own housing.
- the independent sensor can be attached at one point in a pipeline and the consumption meter at another point in the pipeline, so that the consumption meter is spatially separated from the independent sensor.
- the independent sensor can expediently send data, in particular sensor data, to the consumption meter and / or to the independent module. If data, in particular sensor data, is sent from the independent sensor to the consumption meter, the consumption meter can, for example, buffer the sensor data before sending it on. There is also the possibility that the sensor data is pre-evaluated in the consumption meter. This can create a way to react to impending failures or damage, for example to the pipeline, in advance.
- the communication device of the consumption meter and / or the communication device of the independent sensor and / or the communication device of the independent module can have a local communication interface that is designed to communicate via local communication paths. If the communication devices of the consumption meter and / or the independent sensor and / or the independent module preferably have the same local communication paths, there is the possibility of data transmission between the participants. This means that external communication modules such as external independent sensors or external independent modules can be easily integrated into the arrangement. This enables simple and subsequent Expandability and increased flexibility in the design of the entire arrangement.
- the local communication channels are based on an Internet of Things (loT) communication standard.
- the local communication paths can expediently be based on a loT communication standard in order, for example, to be able to easily integrate independent sensors designed for energy saving.
- Independent sensors which are specially designed for loT, can advantageously only require a small bandwidth for communication.
- Such sensors can have wake-up functions, so that a quick response from a rest state is possible.
- Possible loT communication protocols are, for example, THREAD, Bluetooth Low Energy, Zigbee and Z-Wave.
- the IEEE 802.15.4 standard describes a transmission protocol for wireless personal area networks (WPAN).
- WPAN wireless personal area networks
- the standard defines the lowest two layers of the OSI model (Open Systems Interconnection Model), the bit transmission and the MAC layer. Higher protocol levels with routing functions and an application interface are realized by other standards for radio networks, such as ZigBee.
- the IEEE 802.15.4 standard is also used, for example, by
- 6L0WPAN IPv6 over Low power Wireless Personal Area Network
- 6L0WPAN is a communication protocol for radio data transmission, which is used by THREAD.
- THREAD is an IPv6-based, energy-saving network technology for loT products.
- THREAD is designed for mesh networking. It is also IP addressable with AES encryption. If the local communication paths are based on the IEEE 802.15.4 communication standard, there is the advantage that a large number of different radio networks can be implemented, which are particularly suitable for a loT application.
- the local communication channels are based on the Bluetooth Low Energy (BLE) communication standard.
- BLE Bluetooth Low Energy
- the Bluetooth Low Energy (BLE) communication standard is a radio technology with which devices can be networked in an area of around 10 meters. BLE differs from Bluetooth in that it has significantly lower power consumption and lower costs. BLE works in the 2.4 GHz ISM band and is also suitable for loT applications.
- the communication device of the consumption meter and / or the communication device of the independent module have a tertiary communication interface which is designed to communicate via tertiary communication channels with a central point.
- Low power can expediently be used for the tertiary communication channels Wide Area Networks (LPWAN) are used.
- LPWAN describes a class of network protocols for connecting low-energy devices to a network server. Low energy devices can e.g. B. Consumption counters and sensors. Because low-energy devices can be connected, LPWAN is also suitable for IoT applications.
- a network server can be located in the central location, for example. Examples of LPWAN are LoRaWAN or LoRa from the LoRa Alliance, Sigfox or Silver Spring from Silver Spring Networks.
- These tertiary communication channels can be prepared to communicate with a central point.
- the central point can be, for example, a network operator or an energy supplier.
- the tertiary communication paths can expediently have a greater radio range than the local communication paths.
- the consumption meter is advantageously able to transmit and receive data via local and tertiary communication channels. This has the advantage that the consumption meter can communicate with external independent sensors via local communication channels, as well as with a central point such as a network operator or an energy provider over longer distances using tertiary communication channels.
- An external, independent module like the consumption meter, is advantageously able to transmit and receive data via local and tertiary communication channels. The consumption meter and the independent module can thus send sensor data from the independent sensor to the central location. Communication between the consumption meter and an independent module is also possible via the local communication channels.
- each independent sensor can advantageously have an individual identifier, so that each independent sensor can be individually addressed. This has the advantage that several sensors can be integrated into the arrangement in a simple manner.
- different types of sensors can be used at the same time, which for example forward their sensor data to the consumption meter.
- Possible types of independent sensors are, for example, pressure sensors, for example for water pressure, and quality sensors, such as, for. B. Water quality sensors. To determine the water quality, for example, the chlorine content in the water is measured.
- sensors can be used to detect micro-leaks, for example to detect damage to the pipeline.
- the present invention claims a consumption meter for flow detection characterized by a consumption meter as described as part of an arrangement according to at least one of the preceding claims.
- the present invention also claims a method for operating an arrangement comprising at least one consumption meter and at least one independent sensor, the arrangement being characterized by at least one of claims 1 to 11, the consumption meter and / or the independent module communicate with the independent sensor and the consumption meter and / or the independent module forwards the data received from the independent sensor. So there is Possibility that communication only takes place between the consumption meter and an independent sensor, the consumption meter continuing to send the data received by the sensor.
- the independent module can, for example, communicate with the independent sensor and forward the data received by the sensor.
- the consumption meter and / or the independent sensor can expediently be designed to be energy self-sufficient. The method advantageously makes no additional demands on the energy requirements of the consumption meter or of the independent sensor.
- the consumption meter can expediently send the data received by the independent sensor to a central location and / or to an independent module.
- the consumption meter can send the data received by the independent sensor.
- the consumption meter can, for example, forward the sensor data directly to the central point and / or to an independent module.
- the sensor data z. B. caching until a certain amount of data is reached or until a certain point in time. You can also choose between the central location or an independent module for the transmission target of the consumption meter. If data is sent from the consumption meter to the independent module, it can then be forwarded from the independent module to the central point, for example.
- the sensor data can be sent bundled with the consumption data. By bundling, for example, the entire data, consisting of consumption data and sensor data, can be sent at one time with one transmission. Possible goals of the transfer include: B. the central office or an independent module. The bundled data is easier to handle, for example.
- Fig. 1 is a simplified schematic representation of an arrangement
- Fig. 2 is a simplified schematic representation of an arrangement
- 3 shows a highly simplified schematic illustration of an arrangement of consumption meter, independent sensor and central point
- 4 shows a greatly simplified schematic representation of an arrangement of consumption meter, independent sensor, independent module and central location
- Fig. 5 is a highly simplified schematic representation of an alternative
- FIG. 1 A simplified schematic representation of an arrangement consisting of a consumption meter V, an independent sensor S and an independent module M is shown in FIG. 1.
- the consumption meter is installed in a pipeline 100.
- the pipeline 100 is a water pipe.
- the consumption meter V uses its sensor W to measure the water consumption through the pipeline 100.
- the consumption meter V also has a communication module KV and a radio antenna 1.
- An independent sensor S is also attached to the pipeline 100.
- the independent sensor S is located at a certain distance from the Usage counter V.
- the independent sensor S comprises a sensor unit E, which detects, for example, properties of the water and / or the pipeline.
- the sensor unit E of the independent sensor S can detect the water pressure, the water quality and micro leaks in the pipeline 100.
- When monitoring water quality, for example, the chlorine content in the water can be recorded.
- the independent sensor S also has a communication module KS and a radio antenna 1.
- the communication module KV of the consumption meter V and the communication module KS of the independent sensor S have local communication interfaces which are designed to communicate with one another via local communication paths 10. Communication between the independent sensor S and the consumption meter V takes place, for example, via Bluetooth Low Energy (BLE).
- BLE Bluetooth Low Energy
- the consumption meter V can thus read the independent sensor S, which is located in the immediate vicinity. There is also the possibility that the independent sensor S actively sends its data, in particular its recorded sensor data, to the consumption meter V.
- the consumption meter V thus acts as a gateway for the independent sensor S.
- the arrangement shown in FIG. 1 further comprises an independent module M.
- the independent module M has a communication module KM and a radio antenna 1. Furthermore, the independent module M or the communication module KM is prepared for local communication paths 10 communicate.
- the independent module M is also able to receive sensor data from the independent sensor S.
- the independent module M is thus connected to the independent sensor S and the consumption meter V via local communication paths 10.
- the consumption counter V can also send the consumption data recorded by the measurement value transmitter W to the independent module M. There is thus the possibility that the independent sensor S sends the recorded sensor data to the consumption meter V, which in turn sends this sensor data alone or together with the consumption data to the independent module M.
- the communication device KV of the consumption meter V additionally has a tertiary communication interface.
- This tertiary communication interface is prepared to communicate with a central point Z via tertiary communication paths 30.
- the central point can have a communication module K which communicates via tertiary communication channels 30.
- the central point Z is, for example, the network operator or the energy supplier.
- the central point can thus take on the function of a head-end system, for example.
- the tertiary communication path 30 has a higher radio range compared to the local communication path 10.
- the communication between the consumption meter V and the central point Z thus takes place, for example, via a long range wide area network (Lo-RaWAN).
- the consumption meter V sends the consumption data together with the sensor data received from the independent sensor S to the central point Z via the tertiary communication path 30.
- Li-RaWAN long range wide area network
- the communication device KM of the independent module M also has a tertiary communication interface. This tertiary communication interface is also prepared to communicate with the central point Z via tertiary communication paths 30.
- the communication between the independent module M and the central point Z also takes place, for example, via a long range wide area network (LoRaWAN).
- the communication of the independent module M with the central point can alternatively also take place via a different network protocol than that with which the consumption meter V communicates with the central point Z.
- the consumption meter V can communicate with the central point Z via a long range wide area network (LoRa-WAN) network protocol and the independent module M via the Sigfox network.
- the independent module M sends the sensor data received by the independent module M from the independent sensor S via the tertiary communication path 30 to the central point Z.
- the independent sensors S1-S3 have been installed in the pipeline 100 by the water supplier.
- the consumption meter V is located near the three independent sensors S1 - S3.
- the respective sensor units E of the independent sensors S1 - S3 are different or different measurement values are collected.
- the sensor unit E of the first independent sensor S1 thus measures the water pressure in the pipeline 100.
- the sensor unit E of the second independent sensor S2 measures the water quality. Micro-leaks in the pipeline 100 are detected with the sensor unit E of the third independent sensor S3.
- the water supplier is pursuing the goal of using the water quality sensor to monitor the chlorine content in the water, for example.
- the communication devices KS of the independent sensors S1 - S3 communicate with the consumption meter V via local communication paths 10.
- all communication devices KS of the independent sensors S1 - S3 have a Bluetooth Low Energy interface.
- the sensors S1 - S3 are connected to the consumption meter V via this interface.
- the independent sensors S1 - S3 send their data or sensor data to the consumption meter V, where the data of the independent sensors S1 - S3 are recorded.
- the consumption meter V sends its meter reading or its consumption data and the data recorded by the independent sensors S1-S3 together to an independent module M via tertiary communication paths 30.
- the transmission via tertiary communication paths 30 can take place, for example, via a LoRa interface.
- the independent module M transmits the data received from the consumption meter V to a central point Z, e.g. B. to the water supplier.
- the independent module M can use the same LoRa interface for this transmission. This enables the water supplier to monitor the entire system, consisting of consumption meter V and independent sensors S1 - S3, without having to be on site.
- FIGS. 3 to 5 Possible configurations of the arrangement are shown in the following FIGS. 3 to 5:
- FIG. 3 shows a greatly simplified schematic illustration of an arrangement consisting of consumption meter V, an independent sensor S and a central point Z.
- the independent sensor S communicates with the consumption meter V via local communication paths 10.
- the consumption meter V and the independent sensor S each contain a local BLE / THREAD communication interface.
- the consumption meter V communicates with the central point Z via tertiary communication paths 30.
- LoRa, Sigfox, Silver Spring or another LPWAN communication protocol can be used as the tertiary interface, for example. Only the consumption counter functions here
- the consumption meter V as gateway for the sensor data of the independent sensor S.
- the consumption meter V can store and bundle the received sensor data and transmit them together or separately with the consumption data to the central point Z. Forwarding to the central point Z can take place cyclically at defined times or according to a defined schedule.
- the central point Z can be, for example, the network operator and / or the energy supplier, who can use the additional sensor data to detect leaks, to check the pressure in the pipeline 100 or to monitor the water quality, for example ,
- the arrangement also includes an independent module M.
- the independent sensor S communicates with the consumption counter V via local communication paths 10. However, the consumption counter V does not communicate directly with the central point Z.
- the consumption meter V continues to collect the sensor data from the independent sensor S.
- An independent module M is connected to the consumption counter V via a local BLE / THREAD communication interface.
- the independent module M also has a tertiary communication interface for transmission via tertiary communication paths 30. LoRa, Sigfox, Silver Spring or another LPWAN communication protocol can be used as the tertiary interface.
- the acquisition of the sensor data from the independent sensor S by the consumption counter V is carried out as in the embodiment shown in FIG. 3.
- the sensor data and the consumption data are not sent from the consumption meter V directly to the central point Z, but to the independent module M.
- the data are not sent directly from the consumption meter V to the network operator or the energy supplier.
- the independent module M takes on the task of subsequently receiving the data received from the consumption meter V via a tertiary interface, such as, for. B. LoRa, Sigfox or to transmit Silver Spring to the network operator or the energy supplier.
- the arrangement comprises a consumption meter V, an independent sensor S and an independent module M.
- the components of the arrangement in this embodiment are the same as in the embodiment shown in FIG. 4.
- the acquisition of the sensor data is carried out by the module M.
- the sensor data of the independent sensors S are transmitted to the independent module M via local communication paths 10.
- the consumption data or the meter reading of the consumption meter V are likewise transmitted to the independent module M via local communication paths 10.
- the independent module M can query the meter reading or the consumption data at the consumption meter V.
- the independent module M then transmits the data consisting of sensor data and consumption data to the central point Z, as in the embodiment shown in FIG. 4.
- B. LoRa, Sigfox, Silver Spring or another LPWAN communication protocol.
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- Engineering & Computer Science (AREA)
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018005414.5A DE102018005414B4 (en) | 2018-07-07 | 2018-07-07 | Arrangement comprising a consumption meter and an independent sensor and method for operating the arrangement |
PCT/EP2019/065808 WO2020011489A1 (en) | 2018-07-07 | 2019-06-17 | Assembly comprising a utility meter and an autonomous sensor, and method for operating the assembly |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3818724A1 true EP3818724A1 (en) | 2021-05-12 |
Family
ID=66998390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19731950.2A Pending EP3818724A1 (en) | 2018-07-07 | 2019-06-17 | Assembly comprising a utility meter and an autonomous sensor, and method for operating the assembly |
Country Status (5)
Country | Link |
---|---|
US (1) | US20210116284A1 (en) |
EP (1) | EP3818724A1 (en) |
CN (1) | CN112335260A (en) |
DE (1) | DE102018005414B4 (en) |
WO (1) | WO2020011489A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020103310B4 (en) | 2020-02-10 | 2021-09-23 | esc - energy smart control GmbH | System for reading out and transmitting data from a utility meter, method for operating such a system, reading device, utility meter and data forwarding device |
DE102020120572A1 (en) | 2020-08-04 | 2022-02-10 | Mitteldeutsche Netzgesellschaft Strom mbH | Device for receiving meter data from at least one wirelessly communicating digital meter |
DE102021127109A1 (en) | 2021-10-19 | 2023-04-20 | Westnetz Gmbh | Device for transmitting at least one piece of environmental information about an environment of a meter with a pulse output to a smart meter gateway |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
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US20060028355A1 (en) * | 1999-10-16 | 2006-02-09 | Tim Patterson | Automated meter reader having peak product delivery rate generator |
US7289887B2 (en) * | 2003-09-08 | 2007-10-30 | Smartsynch, Inc. | Systems and methods for remote power management using IEEE 802 based wireless communication links |
US8279080B2 (en) * | 2006-06-08 | 2012-10-02 | Fairfax County Water Authority | Systems and methods for remote utility metering and meter monitoring |
US20100039263A1 (en) * | 2008-07-10 | 2010-02-18 | Christopher Way-Fung Chen | System and method for utilization of smart meter infrastructure |
JP5804504B2 (en) * | 2011-09-15 | 2015-11-04 | 日本電気株式会社 | Route control method for multi-hop wireless network |
US9173120B2 (en) * | 2013-03-28 | 2015-10-27 | Telefonaktiebolaget Lm Ericsson (Publ) | System and method for processing received data in a wireless network |
US11328344B2 (en) * | 2013-05-31 | 2022-05-10 | Itron, Inc. | Utility application delivery platform |
WO2014197883A1 (en) * | 2013-06-06 | 2014-12-11 | Transparent Technologies Inc. | Wireless utility metering devices, systems, and methods |
US9870690B2 (en) * | 2013-10-08 | 2018-01-16 | General Electric Company | Methods and systems for a universal wireless platform for asset monitoring |
DE102014102007B4 (en) | 2014-02-18 | 2015-11-26 | Techem Energy Services Gmbh | A method and system for transmitting data from terminals located in a property to a central computing device |
EP3158347A4 (en) | 2014-06-20 | 2017-12-06 | Kortek Industries Pty Ltd. | Wireless power control, metrics and management |
US9903736B2 (en) * | 2014-09-18 | 2018-02-27 | Arad Measuring Technologies Ltd. | Utility meter having a meter register utilizing a multiple resonance antenna |
US9929772B2 (en) * | 2016-02-05 | 2018-03-27 | Apana Inc. | Low power, high resolution automated meter reading and analytics |
-
2018
- 2018-07-07 DE DE102018005414.5A patent/DE102018005414B4/en active Active
-
2019
- 2019-06-17 CN CN201980043469.4A patent/CN112335260A/en active Pending
- 2019-06-17 WO PCT/EP2019/065808 patent/WO2020011489A1/en unknown
- 2019-06-17 EP EP19731950.2A patent/EP3818724A1/en active Pending
-
2020
- 2020-12-29 US US17/136,130 patent/US20210116284A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE102018005414B4 (en) | 2020-03-26 |
CN112335260A (en) | 2021-02-05 |
US20210116284A1 (en) | 2021-04-22 |
DE102018005414A1 (en) | 2020-01-09 |
WO2020011489A1 (en) | 2020-01-16 |
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