Classifications

• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
  • G06Q10/00—Administration; Management
  • G06Q10/08—Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
  • G06Q10/087—Inventory or stock management, e.g. order filling, procurement or balancing against orders
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
  • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
  • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
  • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
  • G06K7/10198—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves setting parameters for the interrogator, e.g. programming parameters and operating modes
  • G06K7/10227—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves setting parameters for the interrogator, e.g. programming parameters and operating modes loading programming parameters or programs into the interrogator, e.g. for configuring the interrogator
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
  • G06Q10/00—Administration; Management
  • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
  • G06Q30/00—Commerce
  • G06Q30/06—Buying, selling or leasing transactions
  • G06Q30/0601—Electronic shopping [e-shopping]
  • G06Q30/0633—Lists, e.g. purchase orders, compilation or processing

Definitions

• the invention relates generally to aid in the monitoring and replenishment of stocks of products and foodstuffs. More particularly, the invention relates to a product inventory management system suitable for home use, but not exclusively.
• voice assistants such as Amazon Alexa® or Google Home®, can be used and avoid manual entry.
• Connected devices are commercially available and include functions for tracking food stocks, making shopping lists or ordering groceries that can be delivered to your home.
• a food processor having a functionality for establishing a shopping list associated with one or more culinary preparations is also marketed.
• Connected buttons are also available and allow you to add specific products to a shopping list with simple taps, for example, for ordering and home delivery.
• Document US20170161676A describes an inventory management system suitable for monitoring the stock of foodstuffs contained in containers.
• the containers are fitted with an electronic device attached by adhesive.
• the electronic device comprises a container filling measurement sensor, a control controller, man-machine interface means, network connectivity means and an autonomous power supply.
• Inventory monitoring tables present in a computer server are updated from update data sent by the electronic devices of the receptacles.
• the update data is transmitted to the computer server via a local network and the Internet network.
• a mobile device such as a tablet or smartphone, hosts a software application and allows local wireless communication with the electronic devices of the receptacles, as well as remote communication with the computer server, through the Internet network.
• a key is also provided in the man-machine interface means of the electronic container device to manually indicate to the computer server a need for replenishment.
• a connected scale is described with which is associated an optical barcode reader (or QR code), for managing stocks of products.
• Managed products are identified by a barcode label.
• the scale indicates the current weight of the product being weighed and transmits it over a data communication network, along with the product identification code.
• An automatic product ordering process is activated when the current product weight falls below a predetermined threshold.
• the automatic product ordering process notifies the user of the threshold violation through their network connected "smartphone" and hosting a dedicated software application.
• Various purchasing options from online merchants are then offered to the user to supplement the product stock.
• a computer server is connected to the data communication network and stores product data, quantities, orders, etc. Online merchants have access to the server and product order information about them.
• Various automatic ordering methods are available to users and facilitate just-in-time delivery of consumables.
• the object of the present invention is to provide a product inventory management system suitable for home use without the aforementioned drawbacks of the prior art, capable of precisely quantifying the inventory status of products and of providing complete shopping lists. , while asking the user as little as possible.
• the invention relates to a product inventory management system comprising a plurality of products stored in product containers, a computer server hosting a product inventory management software module and connected to an extensive communication network. data, a weighing device interconnected with the computer server through a wireless data communication link and through the extended data communication network and in data communication with the management software module.
• the product containers being provided each with an identification label storing an identification number and the weighing device comprising an identification reader module, and the weighing device comprising means arranged to control a reading of the identification number in the identification label by the identification reader module during a weighing operation of the product container and to transmit a weight measurement of the product container and the identification number read to the computer server hosting the management software module stocks of products.
• the identification reader module is a radio-identification reader module and the identification tag is a radio-identification tag having a location distance with respect to a laying surface of the product container.
• the weighing device comprises an accelerometer and means arranged so as to ensure a setting standby, or an awakening, of the weighing device based on movement information supplied by the accelerometer.
• the weighing device is a connected mobile object having an autonomous power supply and wireless data communication means.
• the possibility of moving the weighing device without wire constraint and of being able to bring it as close as possible to the storage places of the product containers is an appreciable characteristic, which grants great flexibility and promotes optimum acceptance of the system of the invention in various domestic environments.
• the radio-identification technology used offers the advantage of facilitating the weighing operation for the user, compared to a device using the so-called "MRCS” technology, for "Machine Readable Code Scanner", using barcodes or QR codes.
• “MRCS” technology the principle of optical reading requires that the identification label be not only close to the reader module, but also opposite it, and the user must therefore pay attention to the reader module. orientation of one in relation to the other. It is not even with the system of the present application, because with the radio-identification technology used it is the distance between the identification tag and the reader module that takes precedence, the orientation of one. by reported the other having limited impact. This therefore results in a simplification of the handling of the product container by the user who does not have to ensure a defined orientation thereof.
• the accelerometer and the standby / wake-up means provided in the weighing device allow a reduction in the electrical consumption of the latter, in particular by stopping the radio-identification reader module during periods of inactivity.
• the power consumption of the RFID reader is predominant in the energy balance of the weighing device and its shutdown during periods of inactivity increases the duration of use of the weighing device between two electrical recharges.
• the feature of fixing the RFID tag in the lower part of the product container allows the distance between the RFID tag and the RFID reader module to be minimized. . Reading of the RFID tag is facilitated and, consequently, it is possible to use a RFID reader module in a low power class.
• a reduction in the cost of the weighing device and an increase in the electrical autonomy thereof, due to a lower electrical consumption of the radio-identification reader, can thus be obtained.
• the radio identification reader module is included in a power class allowing a radio detection height of between 2 cm and 3.5 cm.
• the radio-identification reader module is included in a power class allowing a radio detection height of between 0.5 cm and 2 cm.
• the extended data communication network is the Internet network.
• the user's computer device is a so-called “smartphone” intelligent telephone, a tablet or a computer connected to the Internet network.
• the radio-identification tag and the radio-identification reader module are of the so-called "RFID" type.
• the system also comprises a modem router providing a local data communication network and access to the extended data communication network, the weighing device being interconnected with the computer server through the local communication network. of data.
• the modem router and the local data communication network are of the “Wi-Fi” type and the weighing device comprises a radio communication module of the “Wi-Fi” type.
• the modem router is of the so-called “ADSL”, optical, satellite and / or cellular radiotelephony type in “3G”, “4G” or “5G” mode.
• the system comprises a local data communication link between the weighing device and the user computer device hosting the software application, the local data communication link being used by a configuration function of the device. Weighing device operated through the software application.
• FIG.1 is a simplified general view of a particular embodiment of the product inventory management system according to the invention.
• Fig.2 is a perspective view of several product containers included in the product inventory management system of Fig.1.
• Fig.3 is a perspective view showing the weighing of a container not recognized by a scale connected to the product inventory management system of Fig.1.
• Fig.4 is a simplified view showing the electronic architecture of the connected scale of the product inventory management system of Fig.1.
• Fig.5 is an algorithm relating to the operation of the connected scale of the product inventory management system of Fig.1.
• the term “product” used in the present description refers to different types of products such as coffee capsules, paste, sugar or others, which can be quantified by a weight or by a number of units.
• so-called “bulk” products generally without packaging, such as for example powdered sugar, etc., are quantified by weight.
• Products with unitary packaging, such as coffee capsules, coffee filters, detergent tablets, etc. are quantified by the number of units.
• FIG. 1 With reference to Figs. 1 to 5, there is now described below, by way of example, a particular embodiment 1 of a system according to the invention for the management of stocks of products.
• the system 1 is deployed via an extended IP data communication network, such as the Internet network, and uses hardware and software resources accessible via this network.
• the system 1 uses software and hardware resources available from a cloud computing service provider CSP called “cloud service provider” in English.
• the system 1 uses at least one computer server SRC of the cloud computing service provider CSP.
• the computer server SRC comprises in particular a processor PROC which communicates with a data storage device HD, typically dedicated to the system 1, and conventional hardware devices such as network interfaces NI and other devices (not shown).
• the PROC processor comprises one or more central data processing units (not shown) and volatile and non-volatile memories (not shown) for executing computer programs.
• the system 1 comprises a software system SW which is hosted in the data storage device HD, together with a user database DB.
• the HD data storage device typically comprises one or more hard disks.
• the system 1 according to the invention is implemented in particular by the execution by the processor PROC of code instructions from the software system SW.
• the software system SW for example of the “SaaS” type, provides the system's product inventory management service.
• the product inventory management service provided by the system 1 is made accessible to USER users through the IP network.
• USER users communicate with the product inventory management service through their UD computing devices, such as smartphones, tablets and / or computers, connected to the IP Internet network.
• the computer devices UD access the Internet IP network and the computer server SRC either through a local data communication network, for example of the “Wi-Fi” type (cf. data communication links L1, L2 and L3, on Fig. 1), or through a cellular radiotelephone data communication network, for example of the “3G”, “4G” or “5G” type (cf. L4 and L3 data communication links, in Fig. 1) .
• a BOX modem router in this exemplary embodiment, establishes the local data communication network of the “Wi-Fi” type, marked RWF in FIG. 1, and provides access to the Internet IP network.
• the BOX modem router will typically be of the so-called “ADSL” (“Asymmetric Digital Subscriber Line”), optical, satellite and / or cellular radiotelephony type in “3G”, “4G” or “5G” mode.
• ADSL Asymmetric Digital Subscriber Line
• optical, satellite and / or cellular radiotelephony type in “3G”, “4G” or “5G” mode.
• the software system SW comprises software modules labeled GSP, WB and AP in Fig. 1.
• the GSP software module here notably performs GS inventory management, LC shopping list compilation and CDE shopping ordering functions.
• the GSP software module may also include a function for proposing recipes based on available product stocks and an expiration alert function for perishable products.
• the WB software module implements in particular an internet platform, also called a “web platform”, with a user interface.
• the AP software module is a so-called “API” programming interface (for “Application Programming Interface”).
• the USER user To access the product inventory management service, the USER user typically uses a dedicated APPLI software application installed in his smartphone or tablet and which communicates with the GSP software module through the AP interface.
• the USER user can also use an Internet browser in one of the UD computing devices to access the service through the Internet IP network.
• the system 1 comprises RC containers and a connected BC weighing device designated “connected balance” in the remainder of the description.
• RC containers contain products whose stocks must be managed by system 1.
• Each RC container is associated with a specific product which can be a food product or a non-food product.
• the products can be very varied and include, for example, coffee capsules, pasta, lumps of sugar, powdered sugar, dishwasher detergent tablets, coffee filters, make-up removing wipes, etc.
• the USER user assigns a product to an RC container using the dedicated APPLI software application, and can change this assignment.
• RC containers can be very diverse, such as boxes, jars, bottles, flexible bags, original packaging in which the products are sold, etc. Clear glass containers will have the advantage of allowing direct recognition by the USER user of the product contained.
• RC containers may include a CO cover ensuring an airtight seal.
• a passive tag TAG of the “RFID” type (for “Radio Frequency Identification”) is associated with each RC container.
• An RC container identification number is recorded in the TAG label.
• the TAG label must be located at a certain distance DL from an application surface PF of the container RC.
• the PF laying surface is the surface of the RC container which is intended to be placed on a SP weighing surface of the connected scale BC.
• the locating distance DL must be less than a radio detection height DR from the weighing surface SP .
• the radio detection height DR is linked to the radio detection range of the radio-identification reader module of the BC connected scale and corresponds to the height of a detection volume VD shown schematically in Fig. 2.
• the PF laying surface is the outer surface of a bottom wall of the containers.
• the TAG label is attached to a side wall thereof, with a location distance DL ⁇ DR.
• the TAG label will not necessarily be attached to the RC container, but may also be worn by an accessory associated with the container.
• the TAG label could be carried by a clamp, or a clip, attached to the RC container.
• the tests and simulations carried out by the inventive entity have shown that a radio detection height DR of between 2 cm and 3.5 cm allows good flexibility for the location distance DL of the TAG label, while keeping the module RFID reader in a low power class.
• a radio-identification reader module allowing a lower radio detection height DR, typically between 0.5 cm and 2 cm, could also be chosen in certain applications of the invention.
• the connected scale BC authorizes functions of quantification of the products in the RC containers by weighing operations thereof.
• the connected scale BC is in data communication with the computer server SRC through the local network RWF, the modem router BOX and the Internet IP network (cf. data communication links L5, L2 and L3 in Fig. 1).
• the connected scale BC through the local network RWF, may also be in data communication with the APPI software application installed in the computer device UD such as a smartphone. Indeed, by using the APPLI application, the USER user will be able to configure the connected scale BC, in particular when it is put into service for the first time, via a data communication link (see data communication links. L1 and L5) on the local RWF network. It will be noted that this configuration of the connected scale BC can also be carried out by the user USER through the Internet IP network, by accessing a configuration function on his user interface of the Internet platform WB.
• the connected scale BC comprises in particular a weighing surface SP, a display screen DY, as well as at least one TO key and one indicator light VO.
• the connected balance BC is designed so that it can also perform a conventional weighing function when an AR container other than an RC container is placed on the SP weighing surface.
• the measured weight is then displayed directly on the display screen DY.
• the RC containers and the connected scale BC comprise specific means and are handled by the user USER in a determined manner which makes it possible to inform the GSP software module, more precisely the GS inventory management function, movements of stocks of products.
• the user USER weighs an RC container on the BC connected scale after any modification of the contents of the RC container.
• the USER user after the user USER has taken a quantity of product, by number or by weight, in an RC container, the USER user must weigh the RC container on the connected scale BC before storing it in its container. ER storage space (see Fig. 1).
• the user USER must weigh the RC container on the connected scale BC after any addition of product in the RC container, before storing it in its storage space ER.
• the connected scale BC recognizes the product being weighed by reading the TAG label of the RC container which provides it with a specific identification number. This specific identification number and the weight measurement of the RC container are transmitted by the connected scale BC to the inventory management function GS. From the identification number, the inventory management function GS retrieves from the database DB the nature of the product in the container RC and an empty weight of the container RC. The product weight in the RC container is then calculated by the GS stock management function which uses it to maintain accurate accounting of available stocks. The calculated product weight is also transmitted to the connected scale BC by the inventory management function GS for display to the user USER.
• the stock is managed in number of units.
• the number of units of product present in the RC container is calculated by dividing the weight of product determined by the weighing operation by the weight of a unit of product referred to below as "unit weight".
• the unit weights of the products managed by the system 1 are measured by means of the connected scale BC, by activating a dedicated configuration function of the system 1.
• the unit weights of the products are typically stored in the database DB and are accessible to the GS inventory management function.
• the GS inventory management function calculates the number of product units for inventory accounting.
• the GS inventory management function transmits the calculated number of product units to the connected scale BC for display on the DY screen.
• the electronic card PC essentially comprises a microcontroller 2 equipped with man-machine interface means 3, a radio communication module 4, a radio-identification reader module 5, a weight measurement bridge 6, an autonomous power supply unit 7 and an accelerometer 8.
• the microcontroller 100 essentially comprises a microprocessor CPU, a random access memory RAM, a rewritable memory MEM and input / output ports PO to P5.
• RAM memory is the working memory of the microprocessor CPU.
• the rewritable memory MEM typically accommodates an elementary system called “BIOS” managing the inputs / outputs of the microprocessor, a microprogram MP and a data storage area DATA.
• the MP firmware manages the general operation of the BC connected scale.
• the firmware MP integrates the control logic of the connected scale BC, processes the weight measurement data and manages the various data exchanges with the computer server SRC of the system 1 and the computer device UD of the user USER.
• the DATA zone stores various data necessary for the microprogram MP and for the operation of the system 1.
• the input / output ports PO to P5 are connected to the microprocessor CPU through an internal data communication bus (not shown).
• the man-machine interface means are interfaced with the microcontroller 2 through the input / output port PO and here essentially comprise the aforementioned components such as the display screen DY, the TO key and the indicator light VO, thus than a miniature HP speaker.
• the display screen DY is typically an “LCD” type display screen.
• the TO key is typically a capacitive key and the indicator light VO typically comprises one or more light emitting diodes called “LEDs”.
• LEDs light emitting diodes
• the radio communication module 4 is here a Wi-Fi type radio communication transmitter / receiver (from "Wireless Fidelity" in English) and is interfaced with the microcontroller 2 through the input / output port P1.
• a Wi-Fi / Bluetooth type radio communication transmitter / receiver can also be used.
• the radio communication module 4 authorizes wireless data communication links between the connected scale BC, the modem router BOX and the computer device UD, through the local network RWF.
• the radio-identification reader module 5 is here an RFID ("Radio Frequency Identification”) micro-reader and is interfaced with the microcontroller 2 through the input / output port P2.
• the radio-identification reader module 5 is intended for reading the passive TAG label of the RC container, which allows the GS inventory management function to identify the product concerned and obtain the empty weight of the container. RC.
• the weight measurement bridge 6 is typically a Wheatstone bridge incorporating JC strain gauges and is interfaced with the microcontroller 2 through the input / output port P3.
• the weight measurement bridge 6 provides an analogue MES measurement of the weight of the RC container.
• Analogue-digital conversion means are typically associated with port P3 to convert the analogue measurement of MES weight into digital data that can be used by the microprogram MP.
• the stand-alone power supply unit 7 is interfaced with the microcontroller 2 through the input / output port P4.
• the power supply unit 7 comprises a rechargeable battery 70 and voltage converters (not shown) which provide Valim supply voltages necessary for the operation of the various components of the PC electronic card.
• the rechargeable battery 70 is typically a lithium-ion type battery.
• the battery 70 is charged by means of a standard AC-DC electric charger, marked 71, which can be plugged into a “USB” socket (from “Universal Serial Bus” in English), marked USBa, on the electronic card. PC.
• the USBa socket is connected to the power supply unit 7 and to a USB bus port of the microcontroller 2.
• a wired data communication link can thus be established between the microcontroller 2 and a computer device (computer), for example for needs to update, configure or troubleshoot the BC connected scale.
• the accelerometer 8 is typically a three-axis linear type micro-accelerometer and is interfaced with the microcontroller 2 through the input / output port P5.
• the accelerometer 8 makes it possible to detect movements of the connected scale BC due to manipulations by the user USER, so as to control a function for placing the connected scale BC on standby.
• This BC connected balance standby function is intended to extend the autonomy of the power supply to the latter.
• An absence of movement of the connected scale BC for a predetermined waiting period is detected by the PM firmware using movement information supplied by the accelerometer 8. Subsequently, the PM firmware controls the standby of the device.
• the BC connected scale by deactivation of the supply voltages Valim in the power supply unit 7. Putting the BC connected scale on standby reduces its electrical consumption to a minimum and thus conserves the electrical energy contained in the battery rechargeable 70.
• the algorithm in Fig. 5 shows in a simplified way the operation of the connected scale BC during weighing operations, as controlled by the process of the firmware MP.
• This algorithm includes functional blocks BK1 to BK11 which are described below.
• conditional block BK1 the connected scale BC is in the standby state.
• the logical state of an ACC motion signal produced from the motion information provided by the accelerometer 8 is looped through the process.
• an output Y of the block BK1 is then activated and commands a loopback on the block BK1 which keeps the connected scale BC in standby state.
• an output N of the block BK1 is then activated and commands a wakeup of the connected scale BC. After waking up the connected scale BC, the process executes conditional block BK2.
• the function of the BK2 conditional block is to detect the placement of a container on the SP weighing surface.
• the placement of a container is detected by the process using the weight measurement provided by the measuring bridge 6.
• a signal for placing the container POS is in the inactive logic state "0" and an output N of block BK2 is activated. If this output N has persisted in the inactive logic state "0" for a period of TEMPO wait, the process commands a loopback on block BK1 to bring the connected scale BC back to the standby state.
• the container placement signal POS is in the active logic state "1" and a Y output of the BK2 block is then activated. The activation of this output Y authorizes the execution of the conditional block BK3 by the process.
• the conditional block BK3 detects whether the container is an RC container of a product managed by system 1 or is another AR container (see Fig. 3). When placing the container by the user USER on the SP weighing surface, if the container is a containing RC, its TAG label has been detected and read by the radio-identification reader module 5 and an output Y of the block BK3 is then activated. Otherwise, it is another containing AR and it is the output N of the block BK3 which is then activated.
• Activation of output Y of block BK3 allows the successive execution of function blocks BK4 to BK8 by the process.
• Activation of output N of block BK3 allows the successive execution of function blocks BK8 to BK11 by the process.
• an identification number ID_RC which has been read from the TAG tag as indicated above, is recorded by the process.
• Block BK5 concerns the RC container weighing operation which measures a total PD_RC weight of the RC container.
• Block BK6 concerns the sending of the identification number ID_RC and the total weight PD_RC to the GS inventory management function of the GSP software module.
• the inventory management function GS retrieves from the database DB an empty weight PV_RC of the container RC, from the identification number ID_RC, and subtracts this from the total weight PD_RC in order to obtain a measured product weight PC_RC.
• the GS inventory management function recognizes the contents of the RC container as either a product quantified by weight or a product quantified by number of units from the identification number ID_RC received. If the recognized content is a product quantified by weight, the GS inventory management function sends back to the connected scale BC the measured product weight PC_RC for display thereof on the DY screen.
• the GS inventory management function sends back to the connected scale BC a number of Nb_RC product units present in the RC container for display thereof on the DY screen.
• the number of units of product Nb_RC has been calculated by the inventory management function GS by dividing the weight of the measured product PC_RC by the unit weight of the product which is retrieved from the database DB from the identification number ID_RC .
• Block BK7 concerns the display on screen DY of the measured product weight PC_RC or the number of units of product Nb_RC sent back by the inventory management function GS.
• Block BK8 concerns the display on screen DY of an instruction or message INST1 to the user USER, for example "The stock is updated. Put away the container ”. The process then returns the connected scale BC to the standby state by looping over the BK1 block at the end of the TEMPO waiting period.
• Block BK9 concerns the display on the screen DY of a message INST2 intended for the user USER, such as for example “Unrecognized container. Display of total weight ”. Such a message informs the user that the container AR placed on the weighing surface SP of the connected scale BC is not a container managed by the system 1 and that it is the total weight of the container and of the product contained that will be displayed.
• Block BK10 concerns the operation of weighing the container AR which measures a total weight PD_AR of the container AR.
• Block BK11 concerns the display on screen DY of the measured weight PC_AR of the container AR.
• the process then returns the connected scale BC to the standby state by looping over the BK1 block at the end of the TEMPO waiting period.
• container identification could be done using "N FC" ("Near Field Communication”) technology instead of “RFID” technology.
• N FC Near Field Communication
• RFID Radio Identification
• Local “Bluetooth” type data communication can also be used between the user's computer device and the connected scale.
• the connected scale can also be recharged by means of induction recharging.
• the connected scale will not include a rechargeable electric battery power supply and will be powered by on-board electric batteries.
• the stock management function can be implemented, partially or totally, not in the computer server, but in the data storage area (see DATA in Fig. 4) of the microcontroller of the connected scale, so as to reduce data exchange between the connected scale and the computer server. Data updates will then be made regularly between the connected scale and the computer server.
• the empty weight of the container can also be stored locally in the passive label thereof for a calculation of the product weight directly by the connected scale.
• system of the invention is not limited exclusively to domestic use and could for example be adapted for stock management in a professional context, for example, in a retail trade, a pharmaceutical dispensary or others.

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