WO2011025397A2 - An automatic remote-metering apparatus and system - Google Patents

An automatic remote-metering apparatus and system Download PDF

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Publication number
WO2011025397A2
WO2011025397A2 PCT/PH2010/000007 PH2010000007W WO2011025397A2 WO 2011025397 A2 WO2011025397 A2 WO 2011025397A2 PH 2010000007 W PH2010000007 W PH 2010000007W WO 2011025397 A2 WO2011025397 A2 WO 2011025397A2
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WO
WIPO (PCT)
Prior art keywords
unit
armm
data
metering
remote
Prior art date
Application number
PCT/PH2010/000007
Other languages
French (fr)
Other versions
WO2011025397A3 (en
Inventor
Arnel Babierra
Original Assignee
Arnel Babierra
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 Arnel Babierra filed Critical Arnel Babierra
Publication of WO2011025397A2 publication Critical patent/WO2011025397A2/en
Publication of WO2011025397A3 publication Critical patent/WO2011025397A3/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D4/00—Tariff metering apparatus
    • G01D4/002—Remote reading of utility meters
    • G01D4/004—Remote reading of utility meters to a fixed location
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D2204/00—Indexing scheme relating to details of tariff-metering apparatus
    • G01D2204/10—Analysing; Displaying
    • G01D2204/12—Determination or prediction of behaviour, e.g. likely power consumption or unusual usage patterns
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D2204/00—Indexing scheme relating to details of tariff-metering apparatus
    • G01D2204/10—Analysing; Displaying
    • G01D2204/18—Remote displaying of utility meter readings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/30—Smart metering, e.g. specially adapted for remote reading

Definitions

  • the present utility model generally relates to a method and apparatus for metering electricity usage and processing associated information. More particularly, the present utility model relates to a method and apparatus for remotely metering electricity usage at consumer sites and for providing consumers with metering information, billing information, and electronic payment options.
  • an electricity meter is manually read.
  • An electricity meter is an electromagnetic device which measures the amount of energy transferred from the electricity supply to the consumer. Every few months, the electric meter is read by an inspector, or meter-reader, who goes to the consumer's meter and records the current reading. The old reading is subtracted from the current reading and the consumer is billed for the energy supplied for that period. A bill is then mailed to the consumer showing the amount of electricity used and amount due.
  • This manual inspection of meters is labor and time intensive. Additionally, consumers are provided limited and untimely information as the electricity bill may be received by a consumer months after the actual costs have been incurred.
  • the present utility model provides an Automatic Remote -Metering
  • System a system that intends to help utility company to remotely control and automate the reading, billing, connection and disconnection of any service or utility that is being offered to consumer by modifying the existing conventional meter or having it implemented on the new meter.
  • Automatic Remote Metering System is a system that intends to help utility company to remotely control and automate the reading, billing, connection and disconnection of any service or utility that is being offered to consumer by modifying the existing conventional meter or having it implemented on the new meter.
  • the Automatic remote-metering system can be used using any available communication channel using a gsm network, CDMA network, GPRS network, Wireless network (Wifi, Wimax), Broadband/Internet -Over- Power lines.
  • FIGURE 1 is a schematic representation of an exemplary Automatic Remote Metering Module in accordance with the present utility model.
  • FIGURE 2 is a schematic depiction of an exemplary Automatic Remote
  • the Automatic-Remote Metering Module that is located to the consumer side is added to the existing utility/service meter.
  • the ARMM is composed of Input/Output (IO) unit that sends and receives data signal to and from the control unit, the Control and Processing Unit that serves as the brain of ARMM that contained the program to process the data signal from the IO unit and the data coming from the communication unit; and the Communication Unit.
  • IO Input/Output
  • the I/O unit performs an Input/Output operations on the devices attached to it such as the Metering unit that accurately reads the utility/service consumption; the sets of anti- tampering sensors to deter and protect the meter from malicious activities/tampering; sets of On/Off devices to cut or continue the services; data storage unit, external data terminal; and optional display unit to display status.
  • the Metering unit that accurately reads the utility/service consumption
  • the sets of anti- tampering sensors to deter and protect the meter from malicious activities/tampering
  • sets of On/Off devices to cut or continue the services
  • data storage unit external data terminal
  • optional display unit to display status.
  • the Communication Unit maintains communication between the ARMM using a bi-directional communication to a remote or central station.
  • the communication Unit could either be a GSM modem, CDMA modem,
  • the remote/central metering station contains remote/central communication unit to send and receive data to and from the ARMM; the postpaid Intelligent Network (postpaid IN); and the Prepaid Intelligent Network (prepaid IN) to manage and cater to two types of subscription.
  • ARMM postpaid Intelligent Network
  • prepaid IN Prepaid Intelligent Network
  • Both INs contains real-time database of the consumption of the service based on the defined time of sending of meter reading from the ARMM. Likewise, both are capable of sending signal to ARMM to cut or continue services based on predefined program and data being feed to the INs.
  • Each ARMM is configured to read and keep track of the usage of any utilities or services.
  • the metering unit continuously or every specified time is reading usage of any utilities or services.
  • the metering unit could be magnetic sensor or cut-on/cut-off sensor that pass signal/data to the input output unit.
  • the metering unit could also be a digital data from the digital meter itself.
  • the input-output unit then passes the usage data to the control unit for data analysis and formatting based on the program of the control unit. Usage data could be saved to the internal or optional external storage
  • the control unit contains the Unit ID or unit identification that unique identifies the ARMM unit to remote/central metering station. It can contain also a storage area/device to locally store the meter reading.
  • the control unit transmits formatted data containing the Unit ID to the remote metering station via the communication unit using a set of rules that are based on either specified amount of use, specific time of use, transmission of usage every preset time, transmission based on random time or usage, or any combination of the mentioned rules f)
  • the communication unit could be a device that is using a gsm network, CDMA network, GPRS network, Wireless network (Wifi, W ⁇ max), Broadband/Internet -Over-Powerlines.
  • the communication unit is also identified using its unique code like the SIM card Number, Mobile number, IP Address, MAC address or communication device ID.
  • g) Formatted data is then transmitted by the ARMM and received on the Remote/Metering Station by the Remote/Central Communication Unit (RCCU). Data is then save on any available data storage. Data can be used for prepaid and postpaid electricity system.
  • RCCU Remote/Central Communication Unit
  • Encryption/decryption tool can used to increased data security h)
  • the RCCU or any externally developed application will then check if the data is for prepaid or postpaid.
  • the ARMM data is being identified using Unit ID and/or communication device ID
  • Each IN computer/s contains specific program and database to keep track and record the usage of each ARMM.
  • each ARMM can send a disabling signal to the ARMM cut the supply of service or utility.
  • each ARMM maintains a balance or credit unique to ARMM. The credit is being decremented every time the ARMM sends usage data to the prepaid IN. Once the credit reached threshold limit, it will send warning message to the registered owner of the ARMM via available message system like sms, email or call. Likewise it will send warning signal to the ARMM to turn on the low balance indicator. Once the credit reaches zero or below cut-off value, the Prepaid IN will send a cut-off signal to the ARMM. Upon receipt of the signal, the control unit of the ARMM will disable the service or utility by controlling the On/Off device and insufficient balance indicator will be enabled.
  • the owner of the ARMM will have to top-up the credit of the ARMM by loading on any available top-up mechanism like electronic top-up, prepaid cards, top-up by credit cards, peer to peer top-up, etc.
  • the prepaid IN will send an enable signal to the ARMM and service or utility will be restored
  • each ARMM For postpaid IN, each ARMM is given an individual account. This ARRM account has a maximum credit limit and can be adjusted depending on the operator of the utility or service.
  • the ARMM continuously send usage data to the postpaid IN and the postpaid IN records the usage. Once the usage reached threshold limit, it will send warning message to the registered owner of the ARMM via available message system like sms, email or call. Likewise it will send warning signal to the ARMM to turn on the near credit limit indicator.
  • the IN will generate billing statement based on ARMM usage data. Billing statement is then delivered to the registered owner of ARMM. If the owner failed to the settle his postpaid account or surpassed his credit limit, the postpaid IN will send a cut-off signal to the ARMM. Upon receipt of the signal, the control unit of the ARMM will disable the service or utility by controlling the On/Off device and service disabled indicator will be enabled. To restore the service, the owner of the ARMM will have to pay his overdue billing via available payment centers or mechanism. Once the overdue bill is settled the postpaid IN will send an enable signal to the ARMM and service or utility will be restored.
  • the INs has the capability to implement Me2U features or peer to peer transfer of balance.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Selective Calling Equipment (AREA)
  • Telephonic Communication Services (AREA)

Abstract

The present utility model provides an Automatic Remote Metering-System, a system that intends to help utility company to remotely control and automate the reading, billing, connection and disconnection of any service or utility that is being offered to consumer by modifying the existing conventional meter or having it implemented on the new meter. The Automatic remote-metering system can be used using any available communication channel using a gsm network, CDMA network, GPRS network, Wireless network (Wifi, Wimax), Broadband/Internet-Over-Power lines.

Description

SPECIFICATION AN AUTOMATIC REMOTE-METERING APPARATUS AND SYSTEM FIELD OF THE UTILITY MODEL
The present utility model generally relates to a method and apparatus for metering electricity usage and processing associated information. More particularly, the present utility model relates to a method and apparatus for remotely metering electricity usage at consumer sites and for providing consumers with metering information, billing information, and electronic payment options.
BACKGROUND OF THE UTILITY MODEL
In one conventional method of metering and billing for electricity consumption, an electricity meter is manually read. An electricity meter is an electromagnetic device which measures the amount of energy transferred from the electricity supply to the consumer. Every few months, the electric meter is read by an inspector, or meter-reader, who goes to the consumer's meter and records the current reading. The old reading is subtracted from the current reading and the consumer is billed for the energy supplied for that period. A bill is then mailed to the consumer showing the amount of electricity used and amount due. This manual inspection of meters is labor and time intensive. Additionally, consumers are provided limited and untimely information as the electricity bill may be received by a consumer months after the actual costs have been incurred.
SUMMARY OF THE UTILITY MODEL
The present utility model provides an Automatic Remote -Metering
System a system that intends to help utility company to remotely control and automate the reading, billing, connection and disconnection of any service or utility that is being offered to consumer by modifying the existing conventional meter or having it implemented on the new meter.
Automatic Remote Metering System is a system that intends to help utility company to remotely control and automate the reading, billing, connection and disconnection of any service or utility that is being offered to consumer by modifying the existing conventional meter or having it implemented on the new meter.
The Automatic remote-metering system can be used using any available communication channel using a gsm network, CDMA network, GPRS network, Wireless network (Wifi, Wimax), Broadband/Internet -Over- Power lines.
The subject matter of the utility model is particularly pointed out and distinctly claimed in the concluding portion of the specification. The utility model, however, both as to organization and method of operation, may best be understood by reference to the following description taken in conjunction with the claims and the accompanying drawings wherein:
BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS
FIGURE 1 is a schematic representation of an exemplary Automatic Remote Metering Module in accordance with the present utility model; and
FIGURE 2 is a schematic depiction of an exemplary Automatic Remote
Metering System in accordance with the present utility model.
DETAILED DESCRIPTION OF THE UTILITY MODEL
The Automatic-Remote Metering Module
The Automatic-Remote Metering Module (ARMM) that is located to the consumer side is added to the existing utility/service meter. The ARMM is composed of Input/Output (IO) unit that sends and receives data signal to and from the control unit, the Control and Processing Unit that serves as the brain of ARMM that contained the program to process the data signal from the IO unit and the data coming from the communication unit; and the Communication Unit.
The I/O unit performs an Input/Output operations on the devices attached to it such as the Metering unit that accurately reads the utility/service consumption; the sets of anti- tampering sensors to deter and protect the meter from malicious activities/tampering; sets of On/Off devices to cut or continue the services; data storage unit, external data terminal; and optional display unit to display status.
The Communication Unit maintains communication between the ARMM using a bi-directional communication to a remote or central station.
The communication Unit could either be a GSM modem, CDMA modem,
Wimax/Wifi network card or, Broadband/Internet -Over-Powerlines network card.
The Remote/Central Station
The remote/central metering station contains remote/central communication unit to send and receive data to and from the ARMM; the postpaid Intelligent Network (postpaid IN); and the Prepaid Intelligent Network (prepaid IN) to manage and cater to two types of subscription.
Both INs contains real-time database of the consumption of the service based on the defined time of sending of meter reading from the ARMM. Likewise, both are capable of sending signal to ARMM to cut or continue services based on predefined program and data being feed to the INs.
Process flow
a) Each ARMM is configured to read and keep track of the usage of any utilities or services.
b) Metering unit continuously or every specified time is reading usage of any utilities or services. The metering unit could be magnetic sensor or cut-on/cut-off sensor that pass signal/data to the input output unit. The metering unit could also be a digital data from the digital meter itself. c) The input-output unit then passes the usage data to the control unit for data analysis and formatting based on the program of the control unit. Usage data could be saved to the internal or optional external storage d) The control unit contains the Unit ID or unit identification that unique identifies the ARMM unit to remote/central metering station. It can contain also a storage area/device to locally store the meter reading. e) The control unit transmits formatted data containing the Unit ID to the remote metering station via the communication unit using a set of rules that are based on either specified amount of use, specific time of use, transmission of usage every preset time, transmission based on random time or usage, or any combination of the mentioned rules f) The communication unit could be a device that is using a gsm network, CDMA network, GPRS network, Wireless network (Wifi, Wϊmax), Broadband/Internet -Over-Powerlines. The communication unit is also identified using its unique code like the SIM card Number, Mobile number, IP Address, MAC address or communication device ID.
g) Formatted data is then transmitted by the ARMM and received on the Remote/Metering Station by the Remote/Central Communication Unit (RCCU). Data is then save on any available data storage. Data can be used for prepaid and postpaid electricity system. Optional
Encryption/decryption tool can used to increased data security h) The RCCU or any externally developed application will then check if the data is for prepaid or postpaid. The ARMM data is being identified using Unit ID and/or communication device ID
i) Each IN computer/s contains specific program and database to keep track and record the usage of each ARMM.
j) Depending on the parameters of the program on both INs, it can send a disabling signal to the ARMM cut the supply of service or utility. For Prepaid IN, each ARMM maintains a balance or credit unique to ARMM. The credit is being decremented every time the ARMM sends usage data to the prepaid IN. Once the credit reached threshold limit, it will send warning message to the registered owner of the ARMM via available message system like sms, email or call. Likewise it will send warning signal to the ARMM to turn on the low balance indicator. Once the credit reaches zero or below cut-off value, the Prepaid IN will send a cut-off signal to the ARMM. Upon receipt of the signal, the control unit of the ARMM will disable the service or utility by controlling the On/Off device and insufficient balance indicator will be enabled.
To restore the service or top-up the balance, the owner of the ARMM will have to top-up the credit of the ARMM by loading on any available top-up mechanism like electronic top-up, prepaid cards, top-up by credit cards, peer to peer top-up, etc. Once prepaid account is toped-up, the prepaid IN will send an enable signal to the ARMM and service or utility will be restored
For postpaid IN, each ARMM is given an individual account. This ARRM account has a maximum credit limit and can be adjusted depending on the operator of the utility or service. The ARMM continuously send usage data to the postpaid IN and the postpaid IN records the usage. Once the usage reached threshold limit, it will send warning message to the registered owner of the ARMM via available message system like sms, email or call. Likewise it will send warning signal to the ARMM to turn on the near credit limit indicator.
On a defined time, the IN will generate billing statement based on ARMM usage data. Billing statement is then delivered to the registered owner of ARMM. If the owner failed to the settle his postpaid account or surpassed his credit limit, the postpaid IN will send a cut-off signal to the ARMM. Upon receipt of the signal, the control unit of the ARMM will disable the service or utility by controlling the On/Off device and service disabled indicator will be enabled. To restore the service, the owner of the ARMM will have to pay his overdue billing via available payment centers or mechanism. Once the overdue bill is settled the postpaid IN will send an enable signal to the ARMM and service or utility will be restored.
On both prepaid and postpaid system, it will be possible for the owner to registered user to send SMS, USSD, HTTP or any command to the ARMM or Remote/Central metering station to control the meter like turning off or on the flow of service or utility.
The INs has the capability to implement Me2U features or peer to peer transfer of balance.
While a preferred embodiment of the present utility model has been shown in the drawings and described above, it will be apparent to one skilled in the art that various embodiments of the present utility model are possible; therefore, the present utility model should not be construed as limited to the specific form shown and described above.

Claims

I CLAIM:
1. An Automatic remote-metering apparatus comprising an Automatic-Remote Metering Module (ARMM) that is located to the consumer side is added to the existing utility/service meter. The ARMM is composed of Input/Output (IO) unit that sends and receives data signal to and from the control unit, the Control and Processing Unit that serves as the brain of ARMM that contained the program to process the data signal from the IO unit and the data coming from the communication unit; and the Communication Unit, the I/O unit performs an Input/Output operations on the devices attached to it such as the Metering unit that accurately reads the utility/service consumption; the sets of anti- tampering sensors to deter and protect the meter from malicious activities/tampering; sets of On/Off devices to cut or continue the services; and optional display unit to display status, the data storage unit and external data terminal for offline/manual readings and the Communication Unit maintains communication between the ARMM using a bi-directional communication to a remote or central station. The communication Unit could either be a GSM modem, CDMA modem, Wimax/Wifi network card or, Broadband/Internet -Over- Power lines network card.
2. An Automatic remote-metering system comprising a remote/central metering station having remote/central communication unit to send and receive data to and from the
ARMM; the postpaid Intelligent Network (postpaid IN); and the Prepaid Intelligent Network (prepaid IN) to manage and cater to two types of subscription wherein; a) Each ARMM is configured to read and keep track of the usage of any utilities or services.
b) Metering unit continuously or every specified time is reading usage of any utilities or services. The metering
5 unit could be magnetic sensor or cut-on/cut-off sensor that pass signal/data to the input output unit. The metering unit could also be a digital data from the conventional or digital meter itself.
c) The input-output unit then passes the usage data to the 10 control unit for data analysis and formatting based on the program of the control unit. Usage data could be saved to the internal or optional external storage
d) The control unit contains the Unit ID that unique identifies the ARMM unit to remote/central metering station.
15 e) The control unit transmits formatted data containing the
Unit ID to the remote metering station via the communication unit using a set of rules that are based on either specified amount of use, specific time of use, transmission of usage every preset time, transmission
20 based on random time or usage, or any combination of the mentioned rules
f) The communication unit could be a device that is using a gsm network, CDMA network, GPRS network, Wireless network (Wifi, Wimax), Broadband/Internet -Over-
25 Powerlines. The communication unit is also identified using its unique code like the SIM card Number, MAC address or communication device ID.
g) Formatted data is then transmitted by the ARMM and received on the Remote/Metering Station by the
30 Remote/Central Communication Unit (RCCU). Optional Encryption/decryption tool can used to increased data security,
h) The RCCU will then check if the data is for prepaid or postpaid. The ARMM data is being identified using Unit 5 ID and/or communication device ID.
i) Each IN computer/s contains specific program and database to keep track and record the usage of each
ARMM.
j) Depending on the parameters of the program on both 10 INs, it can send a disabling signal to the ARMM cut the supply of service or utility.
PCT/PH2010/000007 2009-08-26 2010-04-23 An automatic remote-metering apparatus and system WO2011025397A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PH2-2009-000325 2009-08-26
PH22009000325 2009-08-26

Publications (2)

Publication Number Publication Date
WO2011025397A2 true WO2011025397A2 (en) 2011-03-03
WO2011025397A3 WO2011025397A3 (en) 2011-11-10

Family

ID=43628658

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/PH2010/000007 WO2011025397A2 (en) 2009-08-26 2010-04-23 An automatic remote-metering apparatus and system

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Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012084523A2 (en) 2010-12-22 2012-06-28 Nagravision S.A. System and method to enforce utility meter security
WO2016145505A1 (en) * 2015-03-13 2016-09-22 Redknee Inc. Method, system and apparatus for controlling prepaid delivery of utilities

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050033701A1 (en) * 2003-08-08 2005-02-10 International Business Machines Corporation System and method for verifying the identity of a remote meter transmitting utility usage data
US8103563B2 (en) * 2006-06-29 2012-01-24 Carina Technology, Inc. System and method for monitoring, controlling, and displaying utility information
GB0713515D0 (en) * 2007-07-12 2007-08-22 Ampy Metering Ltd SMS smart credit metering

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012084523A2 (en) 2010-12-22 2012-06-28 Nagravision S.A. System and method to enforce utility meter security
US9384658B2 (en) 2010-12-22 2016-07-05 Nagravision S.A. System and method to enforce utility meter security
EP2515082A1 (en) * 2011-04-18 2012-10-24 Nagravision S.A. System and method to enforce utility meter security
WO2016145505A1 (en) * 2015-03-13 2016-09-22 Redknee Inc. Method, system and apparatus for controlling prepaid delivery of utilities
US11544802B2 (en) 2015-03-13 2023-01-03 Ortiva Canada Inc. Method, system and apparatus for controlling prepaid delivery of utilities

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