US20140208131A1 - Electronic apparatus, power supply device, system and apparatus - Google Patents

Electronic apparatus, power supply device, system and apparatus Download PDF

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Publication number
US20140208131A1
US20140208131A1 US14/239,840 US201214239840A US2014208131A1 US 20140208131 A1 US20140208131 A1 US 20140208131A1 US 201214239840 A US201214239840 A US 201214239840A US 2014208131 A1 US2014208131 A1 US 2014208131A1
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United States
Prior art keywords
electronic apparatus
power supply
power
supply device
program
Prior art date
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Abandoned
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US14/239,840
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English (en)
Inventor
Goro Kano
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Nikon Corp
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Nikon Corp
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Publication of US20140208131A1 publication Critical patent/US20140208131A1/en
Abandoned legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/60—Software deployment
    • G06F8/65—Updates
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/46—Accumulators structurally combined with charging apparatus
    • 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
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • 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
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
    • 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
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
    • 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
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
    • 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
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
    • 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
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present invention relates to an electronic apparatus, a power supply device, a system, and an apparatus.
  • An electrically non-contact power charging system for an electronic apparatus has been known.
  • the system starts power supply after authentication of the electronic apparatus.
  • a power supply device has a processor for a processing with an electronic apparatus, such as communication and authentication.
  • the processor executes a program preloaded at the time of factory shipment and the like to perform a processing such as communication and authorization.
  • Programs are updated to newer versions day by day.
  • the power supply device in such a system does not have functions for communication or connectivity with an external memory. Accordingly, the power supply device has not been able to update a preloaded program.
  • a first aspect of the present invention provides an electronic apparatus that receives power from a power supply device in a non-contact manner, the electronic apparatus including: an intra-apparatus circuit that operates with power received via a power transmission path from the power supply device to the electronic apparatus; a program acquiring unit that acquires a program to be executed by the power supply device from outside, and stores the program; and an apparatus-side communicating unit that transmits the program to the power supply device via the power transmission path.
  • a second aspect of the present invention provides an electronic apparatus that receives power from a power supply device in a non-contact manner, the electronic apparatus including: an intra-apparatus circuit that operates with power received from the power supply device via a power transmission path from the power supply device to the electronic apparatus; a supply-side communicating unit that receives, from the power supply device via the power transmission path, a program to be executed by the electronic apparatus; and a processor that executes the program received by the supply-side communicating unit to control the intra-apparatus circuit.
  • a third aspect of the present invention provides a power supply device that supplies power to an electronic apparatus in a non-contact manner, the power supply device including: a supply-side communicating unit that receives, from the electronic apparatus via a power transmission path from the power supply device to the electronic apparatus, a program to be executed by the power supply device; and a control processor that executes the program received by the supply-side communicating unit to control power supply to the electronic apparatus.
  • a fourth aspect of the present invention provides a power supply device that supplies power to an electronic apparatus in a non-contact manner, the power supply device including: a program acquiring unit that acquires a program to be executed by the electronic apparatus from outside, and stores the program; and an apparatus-side communicating unit that transmits, to the electronic apparatus via a power transmission path from the power supply device to the electronic apparatus, the program that the program acquiring unit stores.
  • a fifth aspect of the present invention provides a system including an electronic apparatus and a power supply device that supplies power to the electronic apparatus in a non-contact manner
  • the electronic apparatus includes: an intra-apparatus circuit that operates with power received via a power transmission path from the power supply device to the electronic apparatus; a program acquiring unit that acquires a program to be executed by the power supply device from outside, and stores the program; and an apparatus-side communicating unit that transmits the program to the power supply device via the power transmission path
  • the power supply device includes: a supply-side communicating unit that receives the program from the electronic apparatus via the power transmission path; and a control processor that executes the program received by the supply-side communicating unit to control power supply to the electronic apparatus.
  • a sixth aspect of the present invention provides a system including an electronic apparatus and a power supply device that supplies power to the electronic apparatus in a non-contact manner
  • the power supply device includes: a program acquiring unit that acquires a program to be executed by the electronic apparatus from outside, and stores the program; and an apparatus-side communicating unit that transmits, to the electronic apparatus via a power transmission path from the power supply device to the electronic apparatus, the program that the program acquiring unit stores, and the electronic apparatus includes: an intra-apparatus circuit that operates with power received from the power supply device via the power transmission path; a supply-side communicating unit that receives the program from the power supply device via the power transmission path; and a processor that executes the program received by the supply-side communicating unit to control the intra-apparatus circuit.
  • a seventh aspect of the present invention provides an apparatus that exchanges power with another apparatus in a non-contact manner, the apparatus including a communicating unit that performs at least either one of transmission and reception of a program between the apparatus and the other apparatus via a power transmission path for exchanging power with the other apparatus in a non-contact manner.
  • FIG. 1 shows the appearance of a power charging system 10 according to an embodiment.
  • FIG. 2 shows the functions and configuration of the power charging system 10 according to the present embodiment.
  • FIG. 3 shows a first flow of power charge and a program updating process in the power charging system 10 according to the present embodiment.
  • FIG. 4 shows a second flow of power charge and a program updating process in the power charging system 10 according to the present embodiment.
  • FIG. 5 shows a third flow of power charge and a program updating process in the power charging system 10 according to the present embodiment.
  • FIG. 6 shows a fourth flow of power charge and a program updating process in the power charging system 10 according to the present embodiment.
  • FIG. 7 shows the functions and configuration of the power charging system 10 according to a first variant of the present embodiment.
  • FIG. 8 shows the appearance of the power charging system 10 according to a second variant of the present embodiment.
  • FIG. 9 shows the functions and configuration of a power supply device 30 in the power charging system 10 according to the second variant of the present embodiment.
  • FIG. 1 shows the appearance of a power charging system 10 according to an embodiment.
  • the power charging system 10 according to the present embodiment includes an electronic apparatus 20 and a power supply device 30 .
  • the electronic apparatus 20 operates with power stored in a secondary battery inside thereof.
  • the power supply device 30 supplies power to the electronic apparatus 20 in a non-contact manner.
  • metallic terminals are not connected directly for conduction, and components may be in mechanical contact via insulating materials and the like of the housings of the apparatus and the like.
  • the power supply device 30 supplies power to the electronic apparatus 20 by electromagnetic induction using a coil.
  • the power supply device 30 may supply power, for example, by electric field and magnetic resonance. Techniques of supplying power to the electronic apparatus 20 in a non-contact manner are called wireless power supply, non-contact power transfer, non-contact power transmission and the like.
  • the power supply device 30 is tabular, and supplies power to the electronic apparatus 20 in a state that the electronic apparatus 20 is placed on the surface thereof.
  • the power charging system 10 With the power charging system 10 , the electronic apparatus 20 can be charged merely by being placed on the power supply device 30 without requiring special attachment and detachment operations with respect to a charging apparatus.
  • FIG. 2 shows the functions and configuration of the power charging system 10 according to the present embodiment.
  • a power transmission path 25 is formed to transmit power from the power supply device 30 to the electronic apparatus 20 in an electrically non-contact manner.
  • the power supply device 30 can charge the electronic apparatus 20 .
  • the power transmission path 25 is a pathway that transmits power by electromagnetic induction.
  • the electronic apparatus 20 has a power receiving unit 32 , a secondary battery 34 , a power charge control unit 36 , an intra-apparatus circuit 38 , a program acquiring unit 40 , an apparatus-side communicating unit 42 , and a processor 44 .
  • the power receiving unit 32 receives power from the power supply device 30 in a non-contact manner.
  • the power receiving unit 32 has a coil 46 , and works together with a power supply unit 52 of the power supply device 30 to form the power transmission path 25 .
  • the secondary battery 34 stores power received via the power transmission path 25 .
  • the power stored in the secondary battery 34 is supplied to each circuit in the electronic apparatus 20 .
  • the power charge control unit 36 causes the power that the power receiving unit 32 has received from the power supply device 30 to be supplied to and stored in the secondary battery 34 .
  • the power charge control unit 36 rectifies and converts an AC voltage received from the power receiving unit 32 into a DC voltage, and causes the power to be stored in the secondary battery 34 .
  • the intra-apparatus circuit 38 operates with power received from the power supply device 30 via the power transmission path 25 .
  • the intra-apparatus circuit 38 operates with power stored in the secondary battery 34 .
  • the program acquiring unit 40 acquires a designated program from the outside of the electronic apparatus 20 and stores the program therein. For example, the program acquiring unit 40 downloads a designated program from an external server via a network and stores the program therein. Also, for example, the program acquiring unit 40 reads out a designated program from an external memory such as a memory card that is mounted to the electronic apparatus 20 , and stores the program therein.
  • the program acquiring unit 40 acquires, as such a designated program, an updating program for updating a program that is currently executed by a control processor 58 of the power supply device 30 .
  • the program acquiring unit 40 acquires an updating program for updating a power charge control program of the power supply device 30 .
  • an updating program for updating a program to control the functions may be acquired.
  • the program acquiring unit 40 acquires an updating program for updating a scheme to authenticate an ID between the power supply device 30 and the electronic apparatus 20 .
  • the program acquiring unit 40 acquires an updating program for causing a program that is currently executed by the power supply device 30 to support a new type of the electronic apparatus 20 .
  • a program that the program acquiring unit 40 acquires is not limited to a program aimed for an update, but the program acquiring unit 40 may acquire a new program that can add a new function to the power supply device 30 .
  • the program acquiring unit 40 acquires a program for causing the power supply device 30 to function as an image display apparatus, a program for causing the power supply device 30 to function as a music player apparatus, a program for causing the power supply device 30 to function as a clock, and other programs.
  • the apparatus-side communicating unit 42 communicates data with the power supply device 30 via the power transmission path 25 .
  • the apparatus-side communicating unit 42 communicates data with a supply-side communicating unit 56 in the power supply device 30 by modulating and demodulating current flowing through the coil 46 of the power receiving unit 32 according to a predetermined scheme.
  • the apparatus-side communicating unit 42 transmits a program acquired by the program acquiring unit 40 to the power supply device 30 via the power transmission path 25 .
  • the processor 44 controls each circuit, including the intra-apparatus circuit 38 , in the electronic apparatus 20 . Furthermore, the processor 44 executes an authentication process and the like with the power supply device 30 using data that the apparatus-side communicating unit 42 has communicated with the power supply device 30 .
  • the power supply device 30 has the power supply unit 52 , a supply control unit 54 , the supply-side communicating unit 56 , and the control processor 58 .
  • the power supply unit 52 supplies power to the electronic apparatus 20 in a non-contact manner.
  • the power supply unit 52 has a coil 62 , and works together with the power receiving unit 32 of the electronic apparatus 20 to form the power transmission path 25 .
  • the supply control unit 54 receives power from an external power supply, and controls the power supply unit 52 to transfer the power received from the external power supply to the electronic apparatus 20 via the power transmission path 25 .
  • the supply control unit 54 varies current flowing through the coil 62 of the power supply unit 52 to induce current in the coil 46 of the power receiving unit 32 by electromagnetic induction.
  • the supply-side communicating unit 56 communicates data with the electronic apparatus 20 via the power transmission path 25 .
  • the supply-side communicating unit 56 communicates data with the apparatus-side communicating unit 42 in the electronic apparatus 20 by modulating and demodulating current flowing through the coil 62 of the power supply unit 52 according to a predetermined scheme.
  • the supply-side communicating unit 56 receives a program from the electronic apparatus 20 via the power transmission path 25 .
  • the control processor 58 controls each circuit in the power supply device 30 . Also, the control processor 58 executes an authentication process and the like with the electronic apparatus 20 using data that the supply-side communicating unit 56 has communicated with the electronic apparatus 20 . Also, the control processor 58 controls the power supply amount of the supply control unit 54 .
  • control processor 58 executes the received program.
  • control processor 58 controls power supply to the electronic apparatus 20 by executing a program received by the supply-side communicating unit 56 .
  • Either or both of the electronic apparatus 20 and the power supply device 30 may further have a transfer status display unit 60 .
  • the transfer status display unit 60 displays the transfer status, the transfer rate, the amount of data that has been transferred, and the like about a program transferred from the electronic apparatus 20 to the power supply device 30 . Thereby, the transfer status display unit 60 can notify a user of to what extent a transfer has completed.
  • power can be supplied from the power supply device 30 to the electronic apparatus 20 by placing the electronic apparatus 20 on the power supply device 30 . Furthermore, with the power charging system 10 , a program to be executed in the power supply device 30 can be acquired by the electronic apparatus 20 and transferred to the power supply device 30 via the power transmission path 25 . Thereby, with the power charging system 10 , a new program can be executed by the power supply device 30 even when the power supply device 30 does not have a function to acquire data from the outside.
  • FIG. 3 shows a first flow of power charge and a program updating process in the power charging system 10 according to the present embodiment.
  • the electronic apparatus 20 is placed on the power supply device 30 (S 11 ).
  • the power supply device 30 detects whether the electronic apparatus 20 has been located at a position where the electronic apparatus 20 can receive power from the power supply device 30 .
  • the power supply device 30 detects whether the electronic apparatus 20 has been placed by using a sensor.
  • the power supply device 30 detects whether the electronic apparatus 20 has been placed based on a load change in the power transmission path 25 .
  • the power supply device 30 supplies power to the electronic apparatus 20 via the power transmission path 25 , under a condition that the electronic apparatus 20 has been located at a position where the electronic apparatus 20 can receive power (S 12 ).
  • the power supply device 30 first communicates with the electronic apparatus 20 via the power transmission path 25 to authenticate whether the placed electronic apparatus 20 is an apparatus to which power is allowed to be supplied (S 12 - 1 ).
  • the power supply device 30 subsequently supplies power to the electronic apparatus 20 via the power transmission path 25 (S 12 - 2 ).
  • the electronic apparatus 20 can charge the secondary battery 34 with power supplied from the power supply device 30 .
  • the power supply device 30 stops power supply at a time when sufficient power is stored in the secondary battery 34 of the electronic apparatus 20 .
  • the power supply device 30 subsequently transmits, to the electronic apparatus 20 via the power transmission path 25 , a request to transfer an updating program (S 13 ). More specifically, the power supply device 30 transmits a request to transfer an updating program, under a condition that the electronic apparatus 20 has been located at a position where the electronic apparatus 20 can receive power and the power supply device 30 is not supplying power to the electronic apparatus 20 .
  • the electronic apparatus 20 Upon acquiring, from the power supply device 30 , the request to transfer an updating program from the electronic apparatus 20 , the electronic apparatus 20 confirms whether there is an updating program for the power supply device 30 with a designated server via a network (S 14 ). When there is an updating program in the server, the electronic apparatus 20 downloads and acquires the updating program from the server (S 15 ). In this case, when there is an updating program in an external memory, the electronic apparatus 20 may read out and acquire the updating program from the external memory instead of from the server.
  • the electronic apparatus 20 transmits the acquired updating program to the power supply device 30 via the power transmission path 25 (S 16 ).
  • the power supply device 30 receives the updating program transmitted from the electronic apparatus 20 via the power transmission path 25 .
  • the power supply device 30 executes the received updating program (S 17 ). Thereby, the power supply device 30 can update the program to be executed to a new program.
  • FIG. 4 shows a second flow of power charge and a program updating process in the power charging system 10 according to the present embodiment.
  • the power charging system 10 may execute a program update according to the second flow shown in FIG. 4 instead of the first flow.
  • the electronic apparatus 20 acquires, from the outside of the electronic apparatus 20 (for example, from a server or an external memory), an updating program for updating a program to be executed by the power supply device 30 (S 21 ). For example, the electronic apparatus 20 periodically accesses a server to confirm whether there is a latest updating program, and, when there is a latest updating program, downloads the program. Then, the electronic apparatus 20 stores the acquired updating program therein.
  • the electronic apparatus 20 is placed on the power supply device 30 (S 22 ). Subsequently, the power supply device 30 supplies power to the electronic apparatus 20 via the power transmission path 25 , under a condition that the electronic apparatus 20 is located at a position where the electronic apparatus 20 can receive power.
  • the power supply processing is executed in a manner similar to the processing of the step S 12 shown in FIG. 3 . Thereby, the electronic apparatus 20 can charge the secondary battery 34 with power supplied from the power supply device 30 (S 23 ).
  • the power supply device 30 stops power supply at a time when sufficient power is stored in the secondary battery 34 of the electronic apparatus 20 .
  • the electronic apparatus 20 subsequently inquires, via the power transmission path 25 , whether to update a program (S 24 ). More specifically, in a state that the electronic apparatus 20 has been located at a position where the electronic apparatus 20 can receive power from the power supply device 30 and is not receiving power from the power supply device 30 , the electronic apparatus 20 inquires, via the power transmission path 25 , whether to update the program, under a condition that an updating program is stored therein.
  • the power supply device 30 answers that the program is to be updated if the update is possible (S 25 ). Subsequently, when the power supply device 30 answers that the program is to be updated, the electronic apparatus 20 transmits the stored updating program to the power supply device 30 via the power transmission path 25 (S 26 ). In this case, when the electronic apparatus 20 stores a plurality of types of updating programs therein, the electronic apparatus 20 acquires, in advance via power transmission path 25 , the identification information of the power supply device 30 , and transmits, to the power supply device 30 via the power transmission path 25 , an updating program for updating a program to be executed by an apparatus corresponding to the identification information.
  • the power supply device 30 receives the updating program transmitted from the electronic apparatus 20 via the power transmission path 25 . Then, upon completing reception of the updating program, the power supply device 30 executes the received updating program (S 27 ). With the processing according to the flow, the power charging system 10 can update the program of the power supply device 30 even in an environment where the electronic apparatus 20 cannot connect to a network in a state the electronic apparatus 20 has been placed on the power supply device 30 because the electronic apparatus 20 acquires the updating program in advance when the electronic apparatus 20 is connected to a network and the like.
  • FIG. 5 shows a third flow of power charge and a program updating process in the power charging system 10 according to the present embodiment.
  • the power charging system 10 may execute a program update according to the third flow shown in FIG. 5 instead of the first and second flows.
  • the electronic apparatus 20 is placed on the power supply device 30 (S 31 ). Subsequently, the power supply device 30 supplies power to the electronic apparatus 20 via the power transmission path 25 , under a condition that the electronic apparatus 20 has been located at a position where the electronic apparatus 20 can receive power.
  • the power supply processing is executed in a manner similar to the processing of the step S 12 shown in FIG. 3 . Thereby, the electronic apparatus 20 can charge the secondary battery 34 with power supplied from the power supply device 30 (S 32 ).
  • the power supply device 30 stops power supply at a time when sufficient power is stored in the secondary battery 34 of the electronic apparatus 20 .
  • the electronic apparatus 20 subsequently inquires, via the power transmission path 25 , whether to update a program (S 33 ). More specifically, in a state that the electronic apparatus 20 has been located at a position where the electronic apparatus 20 can receive power from the power supply device 30 and is not receiving power from the power supply device 30 , the electronic apparatus 20 inquires, via the power transmission path 25 , whether to update the program, under a condition that an updating program is stored therein.
  • the power supply device 30 transmits, to the electronic apparatus 20 via the power transmission path 25 , a request to update the program if the update is possible (S 34 ).
  • the electronic apparatus 20 registers therein the request to update the program from the power supply device 30 (S 35 ).
  • the electronic apparatus 20 is removed from above the power supply device 30 (S 36 ).
  • the electronic apparatus 20 acquires the updating program of the power supply device 30 from the outside of the electronic apparatus 20 (for example, from a server or an external memory), under a condition that the request to update the program is registered therein (S 37 ). Then, the electronic apparatus 20 stores therein the acquired updating program.
  • the electronic apparatus 20 is placed on the power supply device 30 again (S 37 ).
  • the power supply device 30 supplies power to the electronic apparatus 20 via the power transmission path 25 , under a condition that the electronic apparatus 20 has been located at a position where the electronic apparatus 20 can receive power.
  • the electronic apparatus 20 charges the secondary battery 34 inside thereof with power supplied from the power supply device 30 (S 38 ).
  • the electronic apparatus 20 transmits the stored updating program via the power transmission path 25 to the power supply device 30 that has issued the request to update the program, (S 39 ). For example, the electronic apparatus 20 determines whether the power supply device 30 on which the electronic apparatus 20 is placed is an apparatus that has issued the request to update the program by acquiring the identification information of the power supply device 30 .
  • the power supply device 30 receives the updating program transmitted from the electronic apparatus 20 via the power transmission path 25 . Then, upon completing reception of the updating program, the power supply device 30 executes the received updating program (S 40 ). With the processing according to the flow, the power charging system 10 can acquire an updating program efficiently because the updating program is acquired after the electronic apparatus 20 receives a request from the power supply device 30 .
  • FIG. 6 shows a fourth flow of power charge and a program updating process in the power charging system 10 according to the present embodiment.
  • the power charging system 10 may execute a program update according to the fourth flow shown in FIG. 6 instead of the first to third flows.
  • a first electronic apparatus 20 - 1 is placed on the power supply device 30 (S 41 ). Subsequently, the power supply device 30 supplies power to the first electronic apparatus 20 - 1 via the power transmission path 25 , under a condition that the first electronic apparatus 20 - 1 has been located at a position where the first electronic apparatus 20 - 1 can receive power.
  • the power supply processing is executed in a manner similar to the processing of the step S 12 shown in FIG. 3 . Thereby, the first electronic apparatus 20 - 1 can charge the secondary battery 34 with power supplied from the power supply device 30 (S 42 ).
  • the power supply device 30 stops power supply at a time when sufficient power is stored in the secondary battery 34 of the first electronic apparatus 20 - 1 .
  • the first electronic apparatus 20 - 1 subsequently transmits, to the power supply device 30 via the power transmission path 25 , a request to acquire a first program to be executed for the first electronic apparatus 20 - 1 (S 43 ). More specifically, the first electronic apparatus 20 - 1 transmits a request to acquire the first program, under a condition that the electronic apparatus 20 has been located at a position where the electronic apparatus 20 can receive power from the power supply device 30 , and is not receiving power from the power supply device 30 .
  • the power supply device 30 Upon receiving the request from the first electronic apparatus 20 - 1 , the power supply device 30 registers therein the request received from the first electronic apparatus 20 - 1 (S 44 ). Then, the first electronic apparatus 20 - 1 is removed from above the power supply device 30 (S 45 ).
  • a second electronic apparatus 20 - 2 is placed on the power supply device 30 (S 46 ).
  • the power supply device 30 supplies power to the second electronic apparatus 20 - 2 via the power transmission path 25 , under a condition that the second electronic apparatus 20 - 2 has been placed at a position where the second electronic apparatus 20 - 2 can receive power.
  • the second electronic apparatus 20 - 2 can charge the secondary battery 34 with power supplied from the power supply device 30 (S 42 ).
  • the power supply device 30 stops power supply at a time when sufficient power is stored in the secondary battery 34 of the second electronic apparatus 20 - 2 .
  • the power supply device 30 subsequently transmits, to the second electronic apparatus 20 - 2 via the power transmission path 25 , a request to acquire the first program (S 48 ). More specifically, the power supply device 30 transmits, to the second electronic apparatus 20 - 2 , the request to acquire the first program, under a condition that the request from the first electronic apparatus 20 - 1 is registered therein, the second electronic apparatus 20 - 2 has been located at a position where the second electronic apparatus 20 - 2 can receive power and power is not supplied to the second power supply device 30 - 2 . In response to receiving, from the power supply device 30 , the request to acquire the first program, the second electronic apparatus 20 - 2 registers therein the request to acquire the first program from the power supply device 30 (S 49 ).
  • the second electronic apparatus 20 - 2 is removed from above the power supply device 30 (S 50 ).
  • the second electronic apparatus 20 - 2 acquires, from the outside of the second electronic apparatus 20 - 2 (for example, from a server or an external memory), the first program indicated in the request, under a condition that the request received from the power supply device 30 is registered therein and the program can be acquired from the outside (S 51 ).
  • the second electronic apparatus 20 - 2 stores therein the acquired first program.
  • the second electronic apparatus 20 - 2 is placed on the power supply device 30 again (S 52 ).
  • the power supply device 30 supplies power to the second electronic apparatus 20 - 2 via the power transmission path 25 , under a condition that the second electronic apparatus 20 - 2 has been placed at a position where the second electronic apparatus 20 - 2 can receive power.
  • the second electronic apparatus 20 - 2 charges the secondary battery 34 inside thereof with power supplied from the power supply device 30 (S 53 ).
  • the second electronic apparatus 20 - 2 transmits the first program stored therein to the power supply device 30 via the power transmission path 25 , under a condition that the second electronic apparatus 20 - 2 stores the first program therein, and has been located at a position where the second electronic apparatus 20 - 2 can receive power from the power supply device 30 (S 54 ).
  • the power supply device 30 stores the received first program therein (S 55 ).
  • the second electronic apparatus 20 - 2 is removed from above the power supply device 30 (S 56 ).
  • the first electronic apparatus 20 - 1 is placed on the power supply device 30 again (S 57 ).
  • the power supply device 30 supplies power to the first electronic apparatus 20 - 1 via the power transmission path 25 , under a condition that the first electronic apparatus 20 - 1 has been located at a position where the first electronic apparatus 20 - 1 can receive power.
  • the first electronic apparatus 20 - 1 charges the secondary battery 34 inside thereof with power supplied from the power supply device 30 (S 58 ).
  • the power supply device 30 transmits, to the first power supply device 30 - 1 via the power transmission path 25 , the first program stored therein (S 59 ). More specifically, the power supply device 30 transmits the first program to the first electronic apparatus 20 - 1 , under a condition that the first program is stored therein and the first electronic apparatus 20 - 1 is located at a position where the first electronic apparatus 20 - 1 can receive power. For example, the power supply device 30 determines whether the placed power supply device 30 is an apparatus that has issued the request to acquire the program by acquiring the identification information of the electronic apparatus 20 .
  • the first electronic apparatus 20 - 1 receives the first program transmitted from the power supply device 30 via the power transmission path 25 . Then, upon completing reception of the first program, the first electronic apparatus 20 - 1 executes the received first program (S 60 ).
  • the power charging system 10 can cause an updating program for the first electronic apparatus 20 - 1 to be acquired by the second electronic apparatus 20 - 2 to transfer the updating program from the second electronic apparatus 20 - 2 to the first electronic apparatus 20 - 1 via the power supply device 30 .
  • the power charging system 10 can update a program to be executed by the first electronic apparatus 20 - 1 even when the first electronic apparatus 20 - 1 does not have a function to connect to a network or an external memory.
  • FIG. 7 shows the functions and configuration of the power charging system 10 according to a first variant of the present embodiment. Because the power charging system 10 according to the first variant adopts the functions and configuration substantially the same with those of the power charging system 10 explained in conjuncture with FIGS. 1 to 6 , only differences are explained.
  • the power supply device 30 according to the present variant further has the program acquiring unit 40 . Also, the electronic apparatus 20 according to the present variant may not have the program acquiring unit 40 .
  • the power supply device 30 according to the present variant can connect to a server via a network, or acquire data from an external memory.
  • the program acquiring unit 40 acquires and stores therein an updating program for the electronic apparatus 20 via the network or the external memory. Then, in a state that the electronic apparatus 20 is placed thereon, the power supply device 30 according to the present variant transmits the acquired updating program to the electronic apparatus 20 via the power transmission path 25 . Thereby, the power charging system 10 can update the program to be executed by the electronic apparatus 20 even when the electronic apparatus 20 does not have a function to connect to a network or an external memory.
  • FIG. 8 shows the appearance of the power charging system 10 according to a second variant of the present embodiment. Because the power charging system 10 according to the second variant adopts the functions and configuration substantially the same with those of the power charging system 10 explained in conjuncture with FIGS. 1 to 6 , only differences are explained.
  • the power charging system 10 can supply power to a plurality of the electronic apparatus 20 concurrently.
  • the power supply device 30 has a plurality of the power supply units 52 therein, and can form a plurality of the power transmission paths 25 simultaneously. Then, when the electronic apparatus 20 are placed thereon, the power supply device 30 detects the positions where the electronic apparatus 20 are placed, and operates the power supply units 52 corresponding to the electronic apparatus 20 at the detected positions to supply power to the corresponding electronic apparatus 20 .
  • one of the plurality of the electronic apparatus 20 to be placed on the power supply device 30 acquires, from the outside, a program to be executed by the power supply device 30 . Then, in the present variant, the electronic apparatus 20 that has acquired the program from the outside transmits the program to the power supply device 30 via the power transmission path 25 .
  • FIG. 9 shows the functions and configuration of the power supply device 30 in the power charging system 10 according to the second variant of the present embodiment.
  • the power supply device 30 has the plurality of the power supply units 52 , a plurality of the supply control units 54 , a plurality of the supply-side communicating units 56 , the control processor 58 , a power control unit 70 , and a power amount display unit 72 .
  • Each of the plurality of the supply control units 54 and each of the plurality of the supply-side communicating units 56 are provided corresponding to each of the plurality of the power supply units 52 .
  • the control processor 58 exchange data with the plurality of the supply-side communicating units 56 and controls the entire operation of the power supply device 30 .
  • the power control unit 70 controls each of the plurality of the supply control units 54 to control the amount of power supplied to the plurality of the electronic apparatus 20 .
  • the power control unit 70 may be realized as a function of the control processor 58 .
  • the power amount display unit 72 displays the total amount of power supplied from the power supply device 30 to the electronic apparatus 20 .
  • the supply-side communicating unit 56 communicates with the electronic apparatus 20 via the corresponding power transmission path 25 to acquire the maximum power consumption value of the electronic apparatus 20 . Then, when the power supply device 30 supplies power to the plurality of the electronic apparatus 20 concurrently, the power control unit 70 limits the supplied power amount based on the maximum power consumption value of each of the plurality of the electronic apparatus 20 so that the total supplied power amount does not become a predetermined value or higher.
  • the power control unit 70 switches over from one of the electronic apparatus 20 to another, to which power is supplied, at predetermined intervals, or makes the amount of power to be supplied to the plurality of the electronic apparatus 20 smaller than that at the normal time. Thereby, the power control unit 70 can prevent an expectedly large current from flowing when the plurality of the electronic apparatus 20 is placed. Also, the power amount display unit 72 may display the total power amount to allow the user to recognize the amount of power being supplied.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Stored Programmes (AREA)
  • Secondary Cells (AREA)
US14/239,840 2011-08-23 2012-08-17 Electronic apparatus, power supply device, system and apparatus Abandoned US20140208131A1 (en)

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JP2011-181965 2011-08-23
JP2011181965A JP5866864B2 (ja) 2011-08-23 2011-08-23 電子機器、電力供給装置、システムおよび機器
PCT/JP2012/005191 WO2013027379A1 (ja) 2011-08-23 2012-08-17 電子機器、電力供給装置、システムおよび機器

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CN108429324A (zh) 2018-08-21
IN2014DN01957A (ja) 2015-05-15
CN108549540A (zh) 2018-09-18
CN103765388A (zh) 2014-04-30
CN103765388B (zh) 2018-04-24
EP2750040A1 (en) 2014-07-02
JP5866864B2 (ja) 2016-02-24
JP2013045257A (ja) 2013-03-04
US20180267791A1 (en) 2018-09-20
US20170344358A1 (en) 2017-11-30
EP2750040A4 (en) 2015-05-20
CN108549541A (zh) 2018-09-18
US9996337B2 (en) 2018-06-12
WO2013027379A1 (ja) 2013-02-28

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