Classifications

• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
  • G06F1/16—Constructional details or arrangements
  • G06F1/1613—Constructional details or arrangements for portable computers
  • G06F1/1632—External expansion units, e.g. docking stations
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
  • G06F1/26—Power supply means, e.g. regulation thereof
  • G06F1/32—Means for saving power
  • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
  • G06F1/3234—Power saving characterised by the action undertaken
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
  • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
  • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
  • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
  • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
  • H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
  • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
  • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
  • H02J7/0044—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing batteries
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
  • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
  • H02J2310/10—The network having a local or delimited stationary reach
  • H02J2310/20—The network being internal to a load
  • H02J2310/22—The load being a portable electronic device

Definitions

• the present invention relates to a piece of furniture for storing electronic devices, and to an electronic device intended to be stored in said piece of furniture.
• the invention relates to a piece of furniture for storing electronic devices, each of said electronic devices comprising a rechargeable electric battery for said electronic device to be mobile, and said piece of furniture comprising:
• a power supply adapted to provide electricity
• each housing being adapted to receive one of the electronic devices and being adapted to transfer electricity to the electronic device for recharging it.
• the present invention aims to improve these furniture, in particular to solve the problem of heating.
• a piece of furniture according to the invention is characterized in that it further comprises a control module which detects an insertion state when an electronic device is inserted in a housing of said piece of furniture, and which controls the extinguishing or feeding at least one set of components that does not include the battery of the electronic device if said insertion state is detected, while maintaining a power supply of the battery to recharge it.
• a control module which detects an insertion state when an electronic device is inserted in a housing of said piece of furniture, and which controls the extinguishing or feeding at least one set of components that does not include the battery of the electronic device if said insertion state is detected, while maintaining a power supply of the battery to recharge it.
• the furniture ensures that the electronic devices inserted in its housing are extinguished quickly.
• the furniture can make sure that the electronic devices are not lit or are not in standby.
• the charging time of electronic devices can also be reduced.
• control module immediately controls the extinction of the set of components of the electronic device if said insertion state is detected, causing a power failure of said set of components within the electronic device, without waiting for a software shutdown electronic device.
• control module controls the extinction of the set of components of the electronic device if said insertion state is detected for a predetermined duration of between ten seconds and five minutes, causing a power failure of said set of components inside the electronic device, without waiting for a software shutdown of said electronic device.
• control module controls a software shutdown of the set of components of the electronic device as soon as the insertion state is detected, by emitting a stop signal.
• control module controls the extinction of the set of components of the electronic device by emitting a cut-off signal.
• control module detects the insertion state when an electric current consumed by said housing reaches a predetermined level, for example greater than 0.5 amperes.
• control module detects the insertion state by the presence of a presence signal from the electronic device inserted in the housing.
• control module detects the insertion state by a presence detection circuit which comprises at least one element selected from a list comprising a contact of a housing connector in relation to a corresponding contact of an electronic device connector, an electromagnetic sensor actuated by a magnetic element of the electronic device, a switch actuated by insertion of the electronic device.
• the furniture further comprises a housing connector belonging to a housing for cooperating with a device connector.
• electronic device belonging to the electronic device said housing connector comprising power contacts for transferring electricity to said electronic device connector for recharging the battery of said electronic device, and at least one of:
• a cutoff contact adapted for the control module to emit a cut-off signal on said cut-off contact if the insertion state is detected, said cut-off signal signifying that the piece of furniture wishes to extinguish the set of components of the electronic device; ;
• a stop contact adapted for the control module to emit a stop signal on said stop contact if the insertion state is detected, said stop signal signifying that the control module wishes a software stop the set of components of the electronic device;
• a presence contact adapted so that the control module receives a presence signal from an electronic device, said presence signal signifying that the electronic device is inserted into said housing.
• the furniture further comprises a server computer that is in wireless network connection with the electronic devices at least when they are not inserted into a furniture slot.
• control module comprises:
• a power switching circuit controlled by said processor and which makes it possible to cut off the power supply of one of the slots associated with said power switching circuit, and intended to cut off the power supply of the electronic device inserted in said slot;
• a presence detection circuit connected to the audit processor to inform it of the insertion state of one of the housing when an electronic device is inserted in said housing.
• the cabinet comprises external walls adapted to enclose in the cabinet, the power supply, the control module, the housings and electronic devices inserted in said housing, and comprising a door for a user access to the housing for inserting or removing at least one electronic device from one of said housing.
• the furniture includes wheels for a user to move the furniture.
• the invention also relates to an electronic device adapted to be stored in a piece of furniture provided with a plurality of housings.
• the electronic device comprises:
• a rechargeable electric battery which supplies electricity to a set of coposants comprising at least the microprocessor, so that the electronic device is mobile,
• a power control circuit located between the battery and the set of components, said power control circuit detects an insertion state when the electronic device is inserted into a housing of the furniture, and turns off said set of components by cutting off its power supply if said insertion state is detected, while maintaining a power supply of the battery by the furniture to recharge said battery.
• the power control circuit is adapted to power the set of components on order furniture.
• the power control circuit immediately turns off power to the component assembly if said insertion state is detected, without waiting for a microprocessor software shutdown.
• the power control circuit turns off the power to the component set if said insertion state is detected for a predetermined time of between ten seconds and five minutes, without waiting for a microprocessor software shutdown.
• the power control circuit includes:
• a first input connected to a contact that supplies electricity to the electronic device, a potential on said first input signifying that the electronic device is inserted in a housing,
• a second input receiving a cut-off signal emitted by the piece of furniture and signifying that the piece of furniture wishes to extinguish the supply of the set of components
• a logic that controls a switch on opening if said potential is detected on the first input, and if said cut-off signal is detected on the second input, and which commands the switch to close otherwise.
• the electronic device further comprises a presence signaling circuit which sends a presence signal to the piece of furniture when the electronic device is inserted into a housing of the piece of furniture.
• the presence signaling circuit is a short circuit between first and second contacts of an electronic device connector.
• the presence signaling circuit comprises a member selected from a list comprising a contact of an electronic device connector intended to cooperate with a corresponding contact of a housing connector, a magnetic element intended to actuate a sensor. electromagnetic furniture, and a mechanical element for actuating a furniture switch.
• the electronic device comprises a touch screen for use by a user when said electronic device is not inserted into one of the furniture slots, and intended to be turned off and unused by a user when said electronic device is inserted in one of the furniture units.
• the electronic device further comprises a wireless network connection circuit which receives information from the furniture, for broadcasting instruction to a user of said electronic device when said electronic device is not inserted in one of the housing of the furniture.
• FIG. 1 is a block diagram of a piece of furniture according to the invention in which rechargeable electronic devices are inserted,
• FIG. 2 is a diagram showing more precisely the components of the piece of furniture and of an electronic device of the type of those of FIG. 1,
• FIG. 3 is a perspective view of a piece of furniture according to FIG. 1 in which a device adapted rechargeable electronics is inserted into
• FIG. 1 is a diagram showing a cabinet 10 or cabinet, adapted to store electronic devices 30 according to the invention.
• the electronic devices 30 are for example laptops, tablets or any mobile electronic devices comprising a microprocessor 31, a screen 36, for example of the touch type, and a rechargeable electric battery 32 so that it is autonomous.
• Microprocessor 31 is understood to mean any type of electronic circuit or processing unit of a sequence of instruction codes for executing a program, such as a processor, a controller or microcontroller, a signal processor (DSP, for "Digital Signal Processing” ), etc.
• These mobile electronic devices are for example intended to be used by a student user in the context of teaching in a school.
• the user takes one of the electronic devices, for example entering the classroom, and rests it on leaving the classroom.
• the piece of furniture takes care of recharging the battery 32 of the electronic devices 30 inserted in the piece of furniture.
• the storage cabinet 10 comprises a power supply 11 and a plurality of housings 12.
• the power supply 11 is connected to an external electrical network by a power cable 11a or to an energy storage unit such as a battery (not shown). This power supply 11 is adapted to supply electricity to the various elements of the furniture 10.
• the housings 12 are furniture spaces adapted to receive the electronic devices 30.
• each of the housings 12 is capable of transferring the electricity of the furniture 10 to one of the electronic devices 30 placed in said housing 12.
• the housings 12 and the electronic devices 30 thus advantageously have a common electrical and mechanical interface, such that the electronic devices 30 have a shape adapted to the housing 12 of the cabinet, and vice versa.
• the housings 12 also include a housing connector 12a and the electronic devices 30 comprise a device connector 30a, said housing connectors 12a and device 30a being compatible for connecting contacts of one with equivalent contacts of the device. other.
• the connector housing 12a includes a plurality of electrical connecting contacts 12i identified by references 12. 5
• the device connector 30a comprises a plurality of the same number of electrical connection contacts identified by the references 30i to 30s.
• Each housing 12 makes it possible to transfer electricity from the cabinet to the electronic device 30 inserted in one of the housings, for example by said connectors mentioned above.
• a housing 12 and an electronic device 30 optionally have guiding shapes to position themselves appropriately with respect to each other.
• the housings 12 are for example inclined downwards towards the rear of the cabinet, that is to say in the direction of insertion of the electronic device, as can be seen in FIG. 3.
• the connectors 12a, 30a being advantageously also located at the rear of each housing, the weight of the electronic device 30 advantageously exerts a force towards the housing connector 12a to connect said connectors, without any effort of the user.
• an elastic element included in the housing 12 can supplement this force to connect the connectors even more effectively, that is to say to ensure a sufficiently reliable electrical connection for the transfer of electricity from the furniture to the electronic device.
• the cabinet 10 can thus transfer electricity to each electronic device 30 to recharge the internal battery or batteries 32 of said electronic device.
• the cabinet 10 further comprises a control module 13 which detects an insertion state when an electronic device 30 is inserted in one of the housings 12. This control module 13 then controls the extinction of at least a portion or set of components of the electronic device if the insertion state of the housing is detected. However, the power supply of the battery 32 of the electronic device 30 is kept inside said electronic device, and the battery 32 is recharged.
• the portion or set of components of the electronic device 30 which is extinguished comprises at least the microprocessor 31, and also advantageously the screen 36.
• this set of components does not include the battery 32 of the electronic device 30.
• the control module 13 of the cabinet can control the extinction of the supply of said set of components or circuits, without any intervention of a user.
• the electronic device 30 thus consumes a smaller amount of electricity than if the extinction had not been requested.
• the power supply 11 of the cabinet thus provides less electricity and heats up less.
• the control module 13 is supplied with electricity by the line 13a from the power supply 11, and distributes the electricity by lines 13c to each of the housing 12 of the cabinet 10 (i.e. towards its housing connector 12a) to transfer electricity to each electronic device 30 inserted in the housing 12.
• the cabinet 10 also comprises, for example, a server computer 14 which distributes the teachings to each of the electronic devices 30 via a wireless network connection when the electronic device 30 is not inserted in the furniture 10 (removed by the user) and that he is on.
• a server computer 14 which distributes the teachings to each of the electronic devices 30 via a wireless network connection when the electronic device 30 is not inserted in the furniture 10 (removed by the user) and that he is on.
• the server computer 14 can also be connected to the control device 13 by a link 13b, for example of the USB type ("Universal Serial Bus").
• the server computer can thus control the control module, or retrieve information. For example, it may require an extinction or power (wakeup) of each electronic device 30 or a predetermined selection of electronic devices 30. After powering or waking, the controller 13 can download data to each electronic device. It can update an internal software of each electronic device. It can identify the electronic devices 30 inserted in the furniture, count them, check their state of charge.
• control module 13 immediately controls the extinction of the set of components of the electronic device 30, without waiting for any software shutdown of the electronic device 30.
• a "brutal" stop is possible because no information relating to the user who is student or relative to his work or related to the teaching he receives is stored permanently in the electronic device 30.
• the electronic devices 30 are shared among several students of several classes and the pupil does not care what electronic device he takes when entering the class.
• the presence of the electrical supply potential on the housing connector 12a is sufficient for example to cause the immediate extinction of the set of components of the electronic device:
• the electronic device 30 detects the presence of this voltage on its connector and cuts the supply of the internal component set, that is to say for example the extinction of its microprocessor 31 and its screen 36.
• control module 13 controls the extinction of the set of components of the electronic device 30, if the insertion state is detected for a predetermined duration, for example between ten seconds and five minutes.
• the electronic device 30 thus has, for example, sufficient time to perform itself a software shutdown, that is to say an extinction of the set of components of the electronic device 30 after all the processes and all the tasks have been completed. completed.
• each student's work be recorded in real time in the server computer 14, it may be useful to finalize the transmission of information from the student's work to the server computer. 14.
• the electronic device 30 itself detects the insertion state to execute the software stop.
• the control module 13 controls a software shutdown of the electronic device 30 as soon as the insertion state is detected.
• the control module 13 emits a stop signal Sa on a contact 12 3 of the housing connector 12a of the housing 12 in which said control module 13 has detected a new insertion of an electronic device 30 and for which it wants to cause a software shutdown.
• the control module 13 can control the extinction of the set of components of the electronic device 30 if the insertion state is detected for a predetermined time. This predetermined duration is greater than a period normally necessary for the electronic device 30 to perform a software shutdown. For example, the control module 13 emits a cut-off signal Se on a contact 12 2 of the housing connector 12a of the housing 12 in which said control module 13 has detected a new insertion of an electronic device 30 and for which it there has been no extinction in said predetermined time and for which it wishes to cause a stop.
• control module 13 can implement many means to detect the insertion state of an electronic device 30 in one of the housings 12.
• the electronic module 13 comprises a current sensor on each line 13c distributing electricity to each housing. In the absence of an electronic device in the housing, this sensor measures a consumed electric current that is zero. When an electronic device 30 is inserted into the housing 12, the latter consumes electricity at least to control the charge of its battery 32, and possibly to recharge its battery 32. The sensor measures a consumed current level. The control module 13 can thus consider that an electronic device 30 has been inserted into one of the housings 12 if the electric current consumed from said housing reaches or is greater than a predetermined level, said predetermined level being for example greater than 0.5 amperes. .
• the electronic module 13 detects the insertion state, if it receives a presence signal Sp from a device electronic 30.
• This presence signal Sp may for example be emitted by the electronic device 30 on a contact 3 ⁇ 4 of its device connector 30a and received on a contact 12 4 in correspondence of the housing connector 12a.
• FIG. 2 shows a possible embodiment of the control module assembly 13 and the electronic device 30.
• the cabinet 10 further comprises outer walls 20 which enclose its different elements: power supply 11, housings 12, control module 13 and server computer 14. It further comprises at least one particular wall in the form of a door 21 intended a user can access the housing 12 to insert or remove an electronic device 30.
• the cabinet 10 thus encloses the electronic devices 30 in a reduced volume.
• the door 21 may be provided with a lock so that access to the electronic devices 30 is controlled and protected against theft during the extended storage phases during which the furniture and the electronic devices are not used.
• These walls 20 enclose the furniture elements. All items in the cabinet consume electricity, which produces heat that heats the furniture.
• the walls 20 of the cabinet are thus provided with openings 23, as is known, for discharging the heat to the outside.
• the control module 13 of the invention controls the extinction of the electronic devices 30 to limit and reduce the consumption of electricity in the furniture, and to limit and reduce the production of heat in the furniture.
• the cabinet 10 may also be advantageously equipped with rollers 22 to move it, for example from one class to another.
• the furniture 10 thus has a size reduced and a small volume.
• the furniture has a size less than 1 m in each direction.
• This piece of furniture 10 also has a limited weight, which is easy to move.
• the furniture 10 has a weight of less than 50 kg.
• the structural elements of the furniture such as the walls, doors and housings will therefore be advantageously made so as to minimize the weight. They will for example be made of steel sheets, aluminum sheets, or plastic.
• It comprises, for example, a server computer 14 and thirty slots 12 for recharging electronic devices 30. If each electronic device 30 consumes 20 Watts reloading, all the electronic devices consume 600 Watts reloading. All cabinet elements 10 can then consume up to 1 kWatt. The cabinet 10 heats up so.
• FIG. 2 represents a control module 13 and an electronic device 30 connected to this module.
• control module 13 comprises:
• a processor 15 intended to be connected to the server computer 14, for example by a network connection or a USB type connection 13b,
• a presence detection circuit 17 connected to the processor 15 to inform the insertion state in one of the housing 12, when an electronic device 30 is inserted into said housing.
• processor 15 is meant any type of electronic circuit or processing unit of a sequence of instruction codes for executing a program, such as a microprocessor, a controller or microcontroller, a signal processor (DSP, for "Digital Signal Processing "), etc.
• DSP Digital Signal Processing
• the switching circuit 16 comprises, for example, an input connected to the power supply 11 of the cabinet 10.
• This power supply is for example at a + V continuous potential, of +12 Volts type, well adapted to recharge an electronic device 30.
• the switching circuit 16 comprises an output connected to a housing 12. This output is adapted to supply electricity + V, the housing 12 and thus to supply electricity to an electronic device 30 inserted in said housing 12.
• the switching circuit 16 comprises a switch 16a controlled by the processor 15.
• the control module 13 comprises as many switching circuits 16 as the cabinet 10 comprises housings 12, each of the switching circuits being controlled on opening or closing by the processor 15.
• the processor 15 can thus cut or supply each housing 12 with electricity.
• the processor 15 can also cut the power supply of a first group of housings 12 and supply electricity to a second group of housings 12. The electricity consumption and the heating are thus reduced.
• control module 13 is able to optimize the supply of the housing 12 of the cabinet, and therefore the charging of the batteries of the electronic devices 30 stored in said housing 12, while reducing the heating of the furniture.
• the presence detection circuit 17 is connected to the processor 15 and gives it the information of the state of insertion in a housing 12.
• this presence detection circuit 17 comprises a so-called "pull-up" resistor R. It is connected at its first end to the voltage + V. It is connected at its second end to a contact 12 4 of the slot connector to receive a presence signal Sp of the electronic device, and to an input of the processor 15.
• the presence signal Sp is a grounding said contact 12 4 by the electronic device 30.
• the electronic device 30 adapted to this presence detection circuit 17 comprises only a short circuit of the ground to a contact 4 of the device connector 30a in correspondence of the contact 12 4 of the connector 12a connected to the second end of the resistor R. In such a circuit, said input of the processor 15 receives a potential at + V when the electronic device 30 is not inserted (when the contact 12 4 is in the air ). It receives a mass potential (zero) otherwise.
• a magnetic sensor may be used, the electronic device 30 comprising a magnetic element facing said sensor when said electronic device 30 is inserted into a housing.
• the presence detection circuit 17 may be a switch actuated mechanically by the insertion of an electronic device 30 inserted in a housing 12.
• the control module 13 also includes as many presence detection circuits 17 as the furniture unit 10 comprises housings 12, in order to detect the insertion of an electronic device 30 into each of the housings 12.
• the electronic device 30 is powered by the following circuits.
• a contact 30i of the device connector 30a receives the supply voltage + V from the supply switching circuit 16. This contact 30i is connected to a charging circuit 35.
• the charging circuit 35 controls the voltage and / or the current sent to the input of the battery 32 to optimize recharging.
• the charging circuit 35 is connected to the battery 32 (or set of batteries) which accumulates electrical energy to supply electricity to the electronic device 30 when the latter is autonomous: lit and not inserted in the cabinet 10.
• the battery 32 is then connected to a power control circuit 33, which comprises:
• a first input 33a connected to the contact 30i of the device connector, said contact receiving the power supply, a potential on said first input 33a signifying that the electronic device is inserted in a housing 12,
• a second input 33b connected to a contact 302 which receives a cut-off signal Se emitted by the processor 15 and signifying that the cabinet 10 wishes to cut off the supply of the microprocessor 31 of the electronic device (set of components of the electronic device), and
• a logic 33c which controls a switch 33d at the opening if the potential is detected on the first input 33a, and if the cutoff signal Se is detected on the second input 33b, and which controls the switch 33d otherwise closed.
• the power control circuit 33 thus makes it possible to control the electrical supply of the circuits powered by its output.
• the power control circuit 33 is connected to the microprocessor 31 of the electronic device 30. It is also connected to a set of circuits: a memory, a screen 36, and any type of usual circuit.
• the cut-off signal is also used to re-energize or wake up the set of components which comprises the microprocessor 31 on command of the control module 13.
• the cut-off signal Se advantageously has a low level (potential zero or less than 1 Volt for example) to control the power failure of the set of components.
• the logic 33c opens the switch 33d if the supply voltage is present on the first input 33a and if the cut signal Se of the second input 33b is low. In this way, if the low level is a default level, the power control circuit 33 performs the default power failure as soon as the electronic device 30 is inserted into the slot.
• the cut-off signal Se has a high level (potential greater than 5 volts, for example) for supplying the set of components comprising the microprocessor 31 to the command of the control module 13.
• This controlled supply makes it possible to turn on each electronic device stored in the cabinet 10.
• the server computer 14 can then enter into communication with the electronic device by any means, and for example by WiFi wireless link.
• the computer 14 can then download software or information (teaching lesson), or download a new version of the internal software of the electronic device 30 to update this internal software.
• the server computer 14 is then able to carry out the maintenance of the electronic devices 30, all simultaneously or in batches.
• the server computer 14 records the configurations of each electronic device 30 and knows which electronic device is stored in a slot 12. It thus knows the unused electronic devices, and it can predetermine a selection of electronic devices 30 for which software modifications must be made. performed, and it can perform them autonomously. In particular, software updates can easily be performed within predetermined time periods.
• the electronic device 30 of the invention advantageously comprises a touch screen 36 for the student user to answer exercises downloaded to a memory of the electronic device by the server computer 14.
• the electronic device 30 further comprises a contact 3 ⁇ 3 connected directly or indirectly to an input of the microprocessor 31 for transmitting a stop signal Sa from the processor 15 of the control module 13.
• the module of command 13 may request a software shutdown of the microprocessor 31 and circuits associated therewith (memory, screen).
• the microprocessor 31 executes, for example, a program that periodically polls said microprocessor input to determine if a software shutdown or shutdown is required.
• Said input of the microprocessor 15 can also be used for the software start and stop function controlled by an on / off button of the electronic device 30.
• a logic will suitably combine the signals of this button at the stop signal Sa, for example by a logic AND function.
• FIG. 3 is a perspective view of an embodiment of a piece of furniture 10 for which a wall and a door have been removed to observe the inside of said piece of furniture 10.
• An electronic device 30 is inserted in one of the housings 12.
• the housings 12 face the doors 21.
• the server computer 14 and the power supply 11 are located behind the slots 12.
• a top shelf 24 supports other elements 25, such as a wireless router, a laptop for the teacher, and a video projector.

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• Engineering & Computer Science (AREA)
• Theoretical Computer Science (AREA)
• Power Engineering (AREA)
• Physics & Mathematics (AREA)
• General Engineering & Computer Science (AREA)
• General Physics & Mathematics (AREA)
• Computer Hardware Design (AREA)
• Human Computer Interaction (AREA)
• Charge And Discharge Circuits For Batteries Or The Like (AREA)

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• 2012
  • 2012-04-06 FR FR1253231A patent/FR2989183B1/fr not_active Expired - Fee Related
• 2013
  • 2013-03-22 EP EP13719905.5A patent/EP2834719A1/de not_active Ceased
  • 2013-03-22 US US14/388,064 patent/US20150042281A1/en not_active Abandoned
  • 2013-03-22 WO PCT/FR2013/050617 patent/WO2013150211A1/fr active Application Filing

Patent Citations (1)

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