WO2012090904A1 - 電子機器、モジュール及びシステム - Google Patents
電子機器、モジュール及びシステム Download PDFInfo
- Publication number
- WO2012090904A1 WO2012090904A1 PCT/JP2011/080010 JP2011080010W WO2012090904A1 WO 2012090904 A1 WO2012090904 A1 WO 2012090904A1 JP 2011080010 W JP2011080010 W JP 2011080010W WO 2012090904 A1 WO2012090904 A1 WO 2012090904A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- antenna
- switch
- electronic device
- power
- unit
- Prior art date
Links
Images
Classifications
-
- 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
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
-
- 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
- H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
-
- 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
- H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or 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
Definitions
- the present invention relates to an electronic device or module including an antenna shared for communication and power reception in non-contact power transmission.
- the present invention also relates to a system including the electronic device or module.
- Patent Document 1 there is a system disclosed in Patent Document 1 as a system including this type of electronic device.
- a wireless communication unit and a power receiving unit are selectively connected to an antenna composed of one coil by a switch every predetermined time.
- an object of the present invention is to provide an electronic device (secondary device) having a configuration that allows the primary device to arbitrarily control the timing of power transmission and communication.
- One aspect of the present invention includes an antenna having a coil, a load, a power feeding unit that feeds power received by the antenna to the load, a communication unit that communicates with the outside via the antenna, Provided is an electronic device comprising a switch circuit provided between an antenna and the communication unit, and a switch control unit that controls on / off of the switch circuit in accordance with power received by the antenna.
- an antenna in another aspect of the present invention, an antenna, a power feeding unit that is connected to a load and that feeds power received by the antenna to the load, and a communication unit that communicates with the outside via the antenna.
- a module includes a switch circuit provided between the antenna and the communication unit, and a switch control unit that controls on / off of the switch circuit in accordance with power received by the antenna.
- Still another aspect of the present invention provides a system including the electronic device, and a primary device including a circuit that transmits power to the electronic device and a circuit that communicates with the electronic device.
- the present invention it is determined whether the communication unit is connected to the antenna or the communication unit is disconnected from the antenna based on the power received by the antenna. It is possible to make the secondary device substantially determine whether it is time based on the received power. Therefore, it becomes possible to perform power transmission and communication at an arbitrary timing in the primary device.
- the communication unit can be appropriately protected during power transmission. Therefore, it is not necessary to redundantly design the communication unit so that it can withstand power reception, and a communication unit having a general configuration can be used.
- FIG. 1 is a block diagram schematically showing a system including a primary device and a secondary device (electronic device) according to a first embodiment of the present invention. It is a block diagram which shows roughly the secondary side apparatus (electronic device) of FIG.
- FIG. 3 is a diagram illustrating a specific circuit configuration of the switch circuit of FIG. 2. It is a figure which shows switch control in the secondary side apparatus (electronic device) of FIG. It is a figure which shows the modification of the switch circuit of FIG.
- FIG. 10 is a diagram showing another modification of the switch circuit of FIG. 3.
- FIG. 10 is a diagram showing another modification of the switch circuit of FIG. 3.
- FIG. 10 is a diagram showing another modification of the switch circuit of FIG. 3.
- the system according to the first embodiment of the present invention includes a primary side device 10 and a secondary side device (electronic device) 20.
- the primary device 10 generally includes a communication / power transmission circuit 12 and an antenna 14.
- the communication / power transmission circuit 12 can arbitrarily select and control communication and power transmission.
- the communication / power transmission circuit 12 communicates with the secondary device 20 via the antenna 14, while the power transmission circuit 12 controls the antenna 14 during power transmission.
- Power is transmitted to the secondary device 20 via the power supply.
- the communication / power transmission circuit 12 includes, for example, a communication system circuit including a communication unit and a communication matching circuit, a power transmission system circuit including a power transmission unit and a power transmission matching circuit, and a control unit that controls at least the communication unit and the power transmission unit. It has.
- the antenna 14 is generally composed of a coil (coil antenna).
- the coil constituting the antenna 14 may be provided separately for the communication system circuit and the power transmission system circuit (that is, two or more coils may be used), or may be shared (the coil is There may be only one).
- the frequency of the power wave in power transmission and the frequency of the carrier wave in communication are 13.56 MHz bands, which are equal to each other.
- the antenna power of the power wave transmitted during power transmission is 5 W or more, and the antenna power during communication is 1 W or less. That is, the antenna power of the power wave transmitted during power transmission is larger than the antenna power during communication.
- the carrier frequency in power transmission may be different from the carrier frequency in communication.
- one antenna is efficiently shared by simple control for communication and power transmission. In view of this, it is preferable to make both carrier frequencies equal as in this embodiment.
- the secondary device 20 includes a module 22 and a load 24 connected to the module 22.
- the load 24 according to the present embodiment is specifically a battery.
- the module 22 generally has a function of communicating with the primary device 10 and a function of receiving power from the primary device 10 and supplying power to the load 24 (that is, charging the battery).
- the load 24 and the module 22 are connected using a connector or the like when the secondary device 20 is assembled.
- the present invention is not limited to this. Absent.
- the secondary device 20 may be configured by directly connecting the circuit board on which a function equivalent to the function of the module 22 is mounted and the load 24.
- the module 22 of the secondary device 20 includes an antenna 30 having a coil 32, a power feeding unit 40 connected to the antenna 30 and the load 24, and a connection to the antenna 30.
- a switch unit 50 connected to the power supply unit 40 and the switch circuit 50.
- the communication unit 60 is connected to the switch circuit 50.
- a power feeding matching circuit or the like is provided before the power feeding unit 40, while a communication matching circuit or the like is provided before the switch circuit 50.
- the antenna 30 is for supplying the power transmitted from the primary side device 10 by magnetic coupling to the power feeding unit 40 as AC power.
- the antenna 30 is also used when wirelessly communicating with the primary device 10. That is, the antenna 30 according to the present embodiment is shared for power transmission and communication.
- the power feeding unit 40 is for feeding the power received by the antenna 30 to the load 24.
- a rectifier circuit that rectifies the power received by the antenna 30 to generate a rectified signal, and the rectified signal as DC / DC A DC / DC converter that converts and supplies the power to the load 24 as a power supply signal.
- the switch circuit 50 is provided between the antenna 30 and the communication unit 60, and connects the antenna 30 and the communication unit 60 (on state) or is controlled by the switch control unit 70 (described later). Is disconnected from the antenna 30 (off state).
- the switch circuit 50 includes a switch (unidirectional switch) 52 provided on two lines connecting the antenna 30 and the communication unit 60, and between each line and the ground. Are provided with an additional switch 54 and a Zener diode ZD connected in parallel with the additional switch 54.
- the switch 52 and the additional switch 54 according to the present embodiment are Nch FETs.
- the source of the FET constituting the switch 52 is connected to one end of the coil 32 of the antenna 30, the drain is connected to the communication unit 60, and the gate is connected to the switch control unit 70.
- the drain of the FET constituting the additional switch 54 is connected to the corresponding line, the source is connected to the ground, and the gate is connected to the switch control unit 70.
- the Zener diode ZD has a cathode connected to the corresponding line and an anode connected to the ground.
- the switch 52 is turned on and the additional switch 54 is turned off to connect the antenna 30 and the communication unit 60 (become turned on), while the switch 52 is turned off.
- the additional switch 54 by turning on the additional switch 54, the communication unit 60 can be reliably disconnected from the antenna 30 (become turned off).
- the Zener diode ZD is provided, it is possible to prevent the input voltage to the communication unit 60 from exceeding a certain level even when the switch circuit 50 is switched (at the time of transition from the on state to the off state). it can.
- the Zener diode ZD is for adding the input protection function of the communication unit 60 to the switch circuit 50 as a function other than the switch function.
- the Zener diode ZD functions as an input protection unit that protects the input of the communication unit 60 in the switch circuit 50.
- the Zener diode ZD can be omitted when the communication unit 60 has a configuration capable of handling a temporary overvoltage.
- the communication unit 60 is for communicating (transmitting / receiving) with the primary side device 10 via the antenna 30 when the switch circuit 50 is in the ON state.
- the switch control unit 70 controls the state of the switch circuit 50 according to the power received by the antenna 30 (that is, controls whether the switch circuit 50 is turned on or off). is there.
- the antenna power of the power wave transmitted from the primary device 10 during power transmission is larger than the antenna power during communication. Therefore, in the secondary side device 20, based on the level of power received by the antenna 30, it is determined that the power transmission mode should be taken when the power level is high, and the communication mode should be taken when the power level is low. It can be judged that there is.
- the switch control unit 70 is configured to switch the switch circuit 70 when the level of power received by the antenna 30 is high based on the rectified signal received from the power feeding unit 40.
- the threshold for determining the level of received power is appropriately set by the system.
- the threshold value may be a single value, or hysteresis so that the threshold value when shifting from high received power to low received power is different from the threshold value when shifting from low received power to high received power. It is good also as having.
- the secondary device 20 since the secondary device 20 switches between the power transmission mode and the communication mode according to the received power level, it is arbitrarily determined whether the primary device 10 performs power transmission or performs communication. Can be controlled.
- the switch circuit 50 when the secondary device 20 is in the power transmission mode, the switch circuit 50 is turned off and the communication unit 60 is disconnected from the antenna 30, so that power is transmitted from the primary device 10.
- the communication unit 60 can be protected from the high power that has been generated. Therefore, the communication unit 60 having a general configuration that does not consider high power can be used.
- the switch circuit 50 is provided only between the antenna 30 and the communication unit 60, and is not provided between the antenna 30 and the power feeding unit 40. That is, the secondary device 20 according to the present embodiment includes the switch circuit 50 that disconnects the communication unit 60 from the antenna 30 in the power transmission mode, while the power supply unit 40 and the antenna 30 are always connected. It has a configuration that can be set. Thus, the power feeding unit 40 according to the present embodiment is connected to the antenna 30 even in the communication mode. Accordingly, the circuit scale of the switch circuit 50 can be reduced and the control thereof is simplified. Further, even in the communication mode, power can be supplied to the communication unit 60 using received power.
- the switch circuit 50 is not limited to the one described above, and may be any circuit that can turn on and off between the antenna 30 and the communication unit 60 according to the control of the switch control unit 70.
- a switch (unidirectional switch) 52 is provided on each line.
- a direction switch 56 may be provided.
- the switch circuit 50 'shown in FIG. 5 has a Zener diode ZD connected between the line provided with the bidirectional switch 56 and the ground for protecting the input of the communication unit 60, but FIG. The zener diode ZD may be omitted as in the switch circuit 50 ′′ shown in FIG. 5.
- the switch circuit 50 'and the switch circuit 50 "are turned on by turning off the additional switch 54 while the switch 56 is turned on, and the additional switch 54 is turned off while the bidirectional switch 56 is turned off in the power transfer mode.
- the switch control unit 70 switches so that the switch circuit 50 'and the switch circuit 50 "are turned off by turning off 54. It controls the switch circuit 50 'and the switch circuit 50'.
- the input protection unit that protects the input of the communication unit 60 is configured by the Zener diode ZD, but the present invention is not limited to this.
- the switch circuit 50-1 shown in FIG. 7 includes an input protection unit 55-1 made of a diode.
- the anode of the diode constituting the input protection unit 55-1 is connected to the corresponding line, and the cathode of the diode is connected to the ground.
- the input protection unit 55-2 may be configured by connecting a plurality of diodes in series. As shown in the figure, the anode of the diode that constitutes one end of the plurality of diodes connected in series is connected to the corresponding line, while the cathode of the diode that constitutes the other end of the plurality of diodes connected in series is Connected to ground.
- the input protection unit 55-2 is configured using a diode having the same configuration, the voltage determined by the forward voltage Vf of the diode ⁇ the number of diodes (in series) is the operating voltage of the input protection unit 55-2.
- the input protection unit 55-2 When the input protection unit 55-2 is configured using a plurality of types of diodes, a voltage determined by the sum of the forward voltages Vf of the individual input protection units 55-2 becomes the operation voltage of the input protection unit 55-2.
- the operating voltage of the input protection unit 55-2 can be set finely. When a voltage equal to or higher than the set operating voltage is applied to the line, a current flows through the input protection unit 55-2, and the communication unit 60 is protected.
- a secondary device (electronic device) 20 a according to the second embodiment of the present invention is a modification of the secondary device 20 according to the first embodiment described above. Therefore, in FIG. 7, the same reference numerals as those in FIG. 1 are used for the same components as those shown in FIG. 1, and description thereof will be omitted. In the following description, differences from the first embodiment described above will be mainly described.
- the module 22 a of the secondary device 20 a includes auxiliary rectifiers 80 connected to both ends of the coil 32 of the antenna 30.
- the switch control unit 70a according to the present embodiment turns off the switch circuit 50 in the power transmission mode based on the output of the auxiliary rectifier 80, not the rectified signal output from the power supply unit 40, and the switch circuit in the communication mode.
- the switch circuit 50 is controlled so that the switch 50 is turned on.
- the switch control unit 70a controls the switch circuit 50 based only on the output of the auxiliary rectifier 80, but the output (rectified signal) of the power feeding unit 40 and the auxiliary rectifier
- the switch circuit 50 may be controlled using both of the 80 outputs.
- the switch circuit 50 is not limited to that shown in FIG. 3 and may be any circuit that can turn on and off between the antenna 30 and the communication unit 60 according to the control of the switch control unit 70a.
- a secondary device (electronic device) 20b according to the third embodiment of the present invention is a modification of the secondary device 20 according to the first embodiment described above. Therefore, in FIG. 8, the same reference numerals as those in FIG. 1 are used for the same components as those shown in FIG. 1, and the description thereof will be omitted. In the following description, differences from the first embodiment described above will be mainly described.
- the module 22 b of the secondary device 20 b includes an auxiliary antenna 90 having an auxiliary coil 92 and auxiliary rectifiers 80 connected to both ends of the auxiliary coil 92.
- the switch control unit 70b Based on the power received by the auxiliary antenna 90 and rectified by the auxiliary rectifier 80, the switch control unit 70b according to the present embodiment turns off the switch circuit 50 in the power transmission mode and switches the switch circuit 50 in the communication mode.
- the switch circuit 50 is controlled to be turned on.
- switch circuit 50 is not limited to that shown in FIG. 3 and may be any circuit that can turn on and off between the antenna 30 and the communication unit 60 in accordance with the control of the switch control unit 70a.
- a secondary device (electronic device) 20c according to the fourth embodiment of the present invention is a modification of the secondary device 20b according to the third embodiment described above. Therefore, in FIG. 9, the same reference numerals as those in FIG. 8 are used for the same components as those shown in FIG. 8, and descriptions thereof are omitted. In the following, differences from the above-described third embodiment will be mainly described.
- the switch control unit 70 c included in the module 22 c of the secondary device 20 c includes not only the output of the auxiliary rectifier 80 but also the output (rectified signal) of the power feeding unit 40 and the auxiliary rectifier.
- the switch circuit 50 is also controlled using 80 outputs. How the switch control unit 70c uses the two outputs of the auxiliary rectifier 80 and the power supply unit 40 is appropriately set by the system. For example, the switch control unit 70c may control to switch the state of the switch circuit 50 when one of the output of the auxiliary rectifier 80 and the output of the power feeding unit 40 exceeds a predetermined threshold.
- Control may be performed so that the state of the switch circuit 50 is changed only when both of the output of the auxiliary rectifier 80 and the output of the power feeding unit 40 exceed the threshold. Further, the threshold values used for determining the output of the auxiliary rectifier 80 and the output of the power feeding unit 40 may be different from each other.
- switch circuit 50 is not limited to that shown in FIG. 3 and may be any circuit that can turn on and off between the antenna 30 and the communication unit 60 in accordance with the control of the switch control unit 70a.
- a secondary device (electronic device) 20d according to the fifth embodiment of the present invention is a modification of the secondary device 20 according to the first embodiment described above. Therefore, in FIG. 10, the same reference numerals as those in FIG. 1 are used for the same components as those shown in FIG. 1, and the description thereof is omitted. In the following description, differences from the first embodiment described above will be mainly described.
- the module 22 d of the secondary device 20 d includes a DC / DC converter 100 connected to the power supply unit 40, a level detection unit 110 connected to the power supply unit 40, and It further includes an LDO (Low Drop Output) regulator 120 connected to the level detection unit 110, and a supply circuit 130 connected to the DC / DC converter 100 and the LDO regulator 120 and connected to the communication unit 60.
- a DC / DC converter 100 connected to the power supply unit 40
- a level detection unit 110 connected to the power supply unit 40
- LDO Low Drop Output
- the DC / DC converter 100 receives a rectified signal from the power supply unit 40, generates a first DC signal, and inputs the first DC signal to the supply circuit 130.
- the level detection unit 110 receives the rectification signal from the power supply unit 40 and inputs the rectification signal to the LDO regulator 120 as a low power signal when the level of power received via the antenna 30 is lower than a predetermined level. .
- the LDO regulator 120 receives the low power signal from the level detection unit 110, the LDO regulator 120 generates a second DC signal and inputs the second DC signal to the supply circuit 130.
- the supply circuit 130 includes a first diode D1 having an anode connected to the DC / DC converter 100 and a cathode connected to the communication unit 60, an anode connected to the LDO regulator 120, and a cathode connected to the communication unit 60. And a second diode D2. That is, the first DC signal is input to the anode of the first diode D1, and the second DC signal is input to the anode of the second diode D2.
- the supply circuit 130 supplies the communication unit 60 with the higher one of the first DC signal and the second DC signal using the first diode D1 and the second diode D2 that are wired OR connected.
- the power received by the antenna 30 can be efficiently supplied to the communication unit 60.
- the present invention described above can be applied to an electronic device such as a mobile phone or a digital camera having a non-contact charging function, and can also be applied to a system including them.
- the present invention is based on Japanese Patent Application Nos. 2010-289054 and 2011-155646 filed with the Japan Patent Office on December 27, 2010 and July 14, 2011, respectively, the contents of which are referred to. Which forms part of this specification.
Abstract
Description
図1を参照すると本発明の第1の実施の形態によるシステムは、一次側機器10と、二次側機器(電子機器)20とを備えている。
図1及び図7を参照すると、本発明の第2の実施の形態による二次側機器(電子機器)20aは、上述した第1の実施の形態による二次側機器20の変形例である。従って、図7において、図1に示される構成要素と同様の構成要素には、図1と同じ参照符号を用いることとし、それらについての説明は省略することとする。以下においては、主として、上述した第1の実施の形態と相違する点について説明する。
図1及び図8を参照すると、本発明の第3の実施の形態による二次側機器(電子機器)20bは、上述した第1の実施の形態による二次側機器20の変形例である。従って、図8において、図1に示される構成要素と同様の構成要素には、図1と同じ参照符号を用いることとし、それらについての説明は省略することとする。以下においては、主として、上述した第1の実施の形態と相違する点について説明する。
図8及び図9を参照すると、本発明の第4の実施の形態による二次側機器(電子機器)20cは、上述した第3の実施の形態による二次側機器20bの変形例である。従って、図9において、図8に示される構成要素と同様の構成要素には、図8と同じ参照符号を用いることとし、それらについての説明は省略することとする。以下においては、主として、上述した第3の実施の形態と相違する点について説明する。
図1及び図10を参照すると、本発明の第5の実施の形態による二次側機器(電子機器)20dは、上述した第1の実施の形態による二次側機器20の変形例である。従って、図10において、図1に示される構成要素と同様の構成要素には、図1と同じ参照符号を用いることとし、それらについての説明は省略することとする。以下においては、主として、上述した第1の実施の形態と相違する点について説明する。
12 通信/送電回路
14 アンテナ
20,20a,20b,20c,20d 二次側機器(電子機器)
22,22a,22b,22c,22d モジュール
24 負荷
30 アンテナ
32 コイル
40 給電部
50,50′,50″ スイッチ回路
52 スイッチ(単方向スイッチ)
54 付加的スイッチ
ZD ツェナーダイオード
56 双方向スイッチ
60 通信部
70,70a,70b,70c スイッチ制御部
80 補助整流器
90 補助アンテナ
92 補助コイル
100 DC/DCコンバータ(DC/DC)
110 レベル検出部
120 LDOレギュレータ(LDO)
130 供給回路
D1 第1ダイオード
D2 第2ダイオード
Claims (13)
- コイルを有するアンテナと、負荷と、前記アンテナにて受電した電力を前記負荷に給電するための給電部と、前記アンテナを介して外部と通信する通信部と、前記アンテナと前記通信部との間に設けられたスイッチ回路と、前記アンテナにて受電する電力に応じて前記スイッチ回路のオンオフを制御するスイッチ制御部とを備える電子機器。
- 請求項1記載の電子機器であって、前記電力を伝送する際の周波数が前記通信における搬送波の周波数に等しい、電子機器。
- 請求項1又は請求項2記載の電子機器であって、
前記スイッチ制御部は、前記給電部の出力に応じて前記スイッチ回路を制御する
電子機器。 - 請求項1又は請求項2記載の電子機器であって、
前記アンテナに接続された補助整流器を更に備えており、
前記スイッチ制御部は、前記補助整流器の出力に応じて前記スイッチ回路を制御する
電子機器。 - 請求項1又は請求項2記載の電子機器であって、
前記アンテナの受電電力検出用として設けられた補助アンテナと、前記補助アンテナに接続された補助整流器とを更に備えており、
前記スイッチ制御部は、前記補助整流器の出力に応じて前記スイッチ回路を制御する
電子機器。 - 請求項4又は請求項5記載の電子機器であって、
前記スイッチ制御部は、前記スイッチ回路の制御に前記給電部の出力も利用する
電子機器。 - 請求項1乃至請求項6のいずれかに記載の電子機器であって、
前記アンテナと前記通信部とは複数のラインで接続されており、
前記スイッチ回路は、前記ラインの夫々に設けられたスイッチと、前記ラインの夫々とグランドとの間に設けられた付加的スイッチと、カソードを前記ラインの夫々に接続されアノードを前記グランドに接続されたツェナーダイオードとを更に備えており、
前記付加的スイッチは、前記スイッチと逆の状態をとるように前記スイッチ制御部により制御される
電子機器。 - 請求項1乃至請求項6のいずれかに記載の電子機器であって、
前記アンテナと前記通信部とは複数のラインで接続されており、
前記スイッチ回路は、前記ラインの夫々に設けられたスイッチと、前記ラインの夫々とグランドとの間に設けられた付加的スイッチと、アノードを前記ラインの夫々に接続されカソードを前記グランドに接続されたダイオードとを更に備えており、
前記付加的スイッチは、前記スイッチと逆の状態をとるように前記スイッチ制御部により制御される
電子機器。 - 請求項1乃至請求項6のいずれかに記載の電子機器であって、
前記アンテナと前記通信部とは複数のラインで接続されており、
前記スイッチ回路は、前記ラインの夫々に設けられたスイッチと、前記ラインの夫々とグランドとの間に設けられた付加的スイッチと、直列接続された複数のダイオードとを更に備えており、
前記直列接続された複数のダイオードの一端を構成するダイオードのアノードは前記ラインの夫々に接続されており、
前記直列接続された複数のダイオードの他端を構成するダイオードのカソードは前記グランドに接続されており、
前記付加的スイッチは、前記スイッチと逆の状態をとるように前記スイッチ制御部により制御される
電子機器。 - 請求項1乃至請求項9のいずれかに記載の電子機器であって、
前記給電部は、前記アンテナにて受電した電力を整流して整流信号を生成すると共に前記整流信号を変換して前記負荷に給電信号として供給するものであり、
前記電子機器は、前記整流信号を受けて第1直流信号を生成するDC/DCコンバータと、前記整流信号を受けて電力のレベルが所定レベルを下回っているときに前記整流信号を低電力信号として出力するレベル検出部と、前記低電力信号を受けて第2直流信号を生成するLDOレギュレータと、前記第1直流信号と前記第2直流信号のうちの電圧レベルの高い方を前記通信部に供給する供給回路とを更に備える
電子機器。 - 請求項10記載の電子機器であって、
前記供給回路は、前記DC/DCコンバータにアノードを接続されると共に前記通信部にカソードを接続された第1ダイオードと、前記LDOレギュレータにアノードを接続されると共に前記通信部にカソードを接続された第2ダイオードとを備える
電子機器。 - アンテナと、負荷に接続されると共に前記アンテナにて受電した電力を前記負荷に給電するための給電部と、前記アンテナを介して外部と通信する通信部と、前記アンテナと前記通信部との間に設けられたスイッチ回路と、前記アンテナにて受電する電力に応じて前記スイッチ回路のオンオフを制御するスイッチ制御部とを備えるモジュール。
- 請求項1乃至請求項11のいずれかに記載の電子機器と、前記電子機器に対して送電する回路と前記電子機器と通信する回路とを備える一次側機器とを備えるシステム。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/976,886 US9576726B2 (en) | 2010-12-27 | 2011-12-26 | Electronic equipment, module, and system |
CN2011800611616A CN103270670A (zh) | 2010-12-27 | 2011-12-26 | 电子装置、模块及系统 |
JP2012550923A JP5325347B2 (ja) | 2010-12-27 | 2011-12-26 | 電子機器、モジュール及びシステム |
KR1020137007494A KR101514781B1 (ko) | 2010-12-27 | 2011-12-26 | 전자 기기, 모듈 및 시스템 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010289054 | 2010-12-27 | ||
JP2010-289054 | 2010-12-27 | ||
JP2011155646 | 2011-07-14 | ||
JP2011-155646 | 2011-07-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012090904A1 true WO2012090904A1 (ja) | 2012-07-05 |
Family
ID=46383008
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2011/080010 WO2012090904A1 (ja) | 2010-12-27 | 2011-12-26 | 電子機器、モジュール及びシステム |
Country Status (6)
Country | Link |
---|---|
US (1) | US9576726B2 (ja) |
JP (1) | JP5325347B2 (ja) |
KR (1) | KR101514781B1 (ja) |
CN (1) | CN103270670A (ja) |
TW (1) | TW201234735A (ja) |
WO (1) | WO2012090904A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013201881A (ja) * | 2012-02-24 | 2013-10-03 | Nec Tokin Corp | 受電装置及び電子機器 |
JP5308588B1 (ja) * | 2013-04-26 | 2013-10-09 | Necトーキン株式会社 | 受電装置及び電子機器 |
JP5324008B1 (ja) * | 2013-03-28 | 2013-10-23 | Necトーキン株式会社 | 非接触電力伝送装置 |
WO2014188744A1 (ja) * | 2013-05-20 | 2014-11-27 | Necトーキン株式会社 | 通信装置及び電子機器 |
WO2015049973A1 (ja) * | 2013-10-01 | 2015-04-09 | Necトーキン株式会社 | 通信装置 |
KR20160010283A (ko) | 2013-05-20 | 2016-01-27 | 엔이씨 도낀 가부시끼가이샤 | 통신 장치 및 전자기기 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101708312B1 (ko) | 2014-02-07 | 2017-02-20 | 엘지전자 주식회사 | 무선 전력 수신 및 전송 방법, 무선 전력 전송장치, 수신장치 및 무선 충전 시스템 |
KR102595231B1 (ko) * | 2019-02-08 | 2023-10-30 | 삼성전자주식회사 | 외부 전자 장치와 무선 통신을 수행하는 전자 장치 및 방법 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11145811A (ja) * | 1997-11-13 | 1999-05-28 | Nec Corp | 半導体スイッチ回路 |
WO2010035546A1 (ja) * | 2008-09-29 | 2010-04-01 | 株式会社村田製作所 | 無接点受電回路および無接点電力伝送システム |
JP2010130835A (ja) * | 2008-11-28 | 2010-06-10 | Nec Tokin Corp | 非接触電力伝送装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009189229A (ja) * | 2008-01-07 | 2009-08-20 | Seiko Epson Corp | 送電制御装置、無接点電力伝送システム、送電装置、電子機器および波形モニタ回路 |
US8120932B2 (en) * | 2008-07-01 | 2012-02-21 | American Superconductor Corporation | Low voltage ride through |
EP2342797A2 (en) * | 2008-09-23 | 2011-07-13 | Powermat Ltd | Combined antenna and inductive power receiver |
US8194583B2 (en) * | 2008-12-08 | 2012-06-05 | Samsung Electronics Co., Ltd. | Method and system of radio frequency (RF) power transmission in a wireless network |
NZ593772A (en) * | 2009-01-06 | 2013-09-27 | Access Business Group Int Llc | Communication across an inductive link with a dynamic load |
US8290463B2 (en) * | 2009-09-14 | 2012-10-16 | ConvenientPower HK Ltd. | Universal demodulation and modulation for data communication in wireless power transfer |
TWI502842B (zh) * | 2009-11-19 | 2015-10-01 | Access Business Group Int Llc | 多用途無線電力系統及其無線電力供應器與遠端裝置 |
US8878394B2 (en) * | 2010-02-25 | 2014-11-04 | Qualcomm Incorporated | Wireless power receiver |
CN101834472A (zh) * | 2010-04-27 | 2010-09-15 | 上海北京大学微电子研究院 | 接收端电源管理装置及无线供能系统 |
-
2011
- 2011-12-26 WO PCT/JP2011/080010 patent/WO2012090904A1/ja active Application Filing
- 2011-12-26 JP JP2012550923A patent/JP5325347B2/ja not_active Expired - Fee Related
- 2011-12-26 TW TW100148597A patent/TW201234735A/zh unknown
- 2011-12-26 KR KR1020137007494A patent/KR101514781B1/ko not_active IP Right Cessation
- 2011-12-26 CN CN2011800611616A patent/CN103270670A/zh active Pending
- 2011-12-26 US US13/976,886 patent/US9576726B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11145811A (ja) * | 1997-11-13 | 1999-05-28 | Nec Corp | 半導体スイッチ回路 |
WO2010035546A1 (ja) * | 2008-09-29 | 2010-04-01 | 株式会社村田製作所 | 無接点受電回路および無接点電力伝送システム |
JP2010130835A (ja) * | 2008-11-28 | 2010-06-10 | Nec Tokin Corp | 非接触電力伝送装置 |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013201881A (ja) * | 2012-02-24 | 2013-10-03 | Nec Tokin Corp | 受電装置及び電子機器 |
WO2014087692A1 (ja) * | 2012-12-06 | 2014-06-12 | Necトーキン株式会社 | 受電装置及び電子機器 |
US9837858B2 (en) | 2012-12-06 | 2017-12-05 | Tokin Corporation | Power reception device and electronic apparatus |
US9935456B2 (en) | 2013-03-28 | 2018-04-03 | Tokin Corporation | Wireless power transmission device |
JP5324008B1 (ja) * | 2013-03-28 | 2013-10-23 | Necトーキン株式会社 | 非接触電力伝送装置 |
WO2014156570A1 (ja) * | 2013-03-28 | 2014-10-02 | Necトーキン株式会社 | 非接触電力伝送装置 |
US9819199B2 (en) | 2013-04-26 | 2017-11-14 | Tokin Corporation | Power reception apparatus and electronic apparatus |
WO2014174708A1 (ja) * | 2013-04-26 | 2014-10-30 | Necトーキン株式会社 | 受電装置及び電子機器 |
JP5308588B1 (ja) * | 2013-04-26 | 2013-10-09 | Necトーキン株式会社 | 受電装置及び電子機器 |
JP2014230268A (ja) * | 2013-05-20 | 2014-12-08 | Necトーキン株式会社 | 通信装置 |
KR20160010283A (ko) | 2013-05-20 | 2016-01-27 | 엔이씨 도낀 가부시끼가이샤 | 통신 장치 및 전자기기 |
WO2014188744A1 (ja) * | 2013-05-20 | 2014-11-27 | Necトーキン株式会社 | 通信装置及び電子機器 |
WO2015049973A1 (ja) * | 2013-10-01 | 2015-04-09 | Necトーキン株式会社 | 通信装置 |
JP2015092657A (ja) * | 2013-10-01 | 2015-05-14 | Necトーキン株式会社 | 通信装置 |
KR20160063292A (ko) | 2013-10-01 | 2016-06-03 | 엔이씨 도낀 가부시끼가이샤 | 통신 장치 |
US9972903B2 (en) | 2013-10-01 | 2018-05-15 | Tokin Corporation | Communication device |
Also Published As
Publication number | Publication date |
---|---|
CN103270670A (zh) | 2013-08-28 |
KR20130045934A (ko) | 2013-05-06 |
US20130270924A1 (en) | 2013-10-17 |
JPWO2012090904A1 (ja) | 2014-06-05 |
JP5325347B2 (ja) | 2013-10-23 |
TW201234735A (en) | 2012-08-16 |
KR101514781B1 (ko) | 2015-04-23 |
US9576726B2 (en) | 2017-02-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5325347B2 (ja) | 電子機器、モジュール及びシステム | |
US10224761B2 (en) | Method for controlling power in a wireless power transmission apparatus and a wireless power transmission apparatus | |
US9762084B2 (en) | Wireless charging system and method for controlling the same | |
WO2014188744A1 (ja) | 通信装置及び電子機器 | |
WO2014061241A1 (ja) | 受電制御回路、ワイヤレス受電装置の制御方法、電子機器 | |
JP5308588B1 (ja) | 受電装置及び電子機器 | |
JP6073663B2 (ja) | 受電装置及び電子機器 | |
US9088221B2 (en) | High-voltage power supply module and power supply system | |
US9876363B2 (en) | Non-contact type power transmitting apparatus, non-contact type power transmitting-receiving apparatus, contact/non-contact type power transmitting apparatus, and contact/non-contact type power transmitting-receiving apparatus | |
US20140239889A1 (en) | Wireless charging system | |
US11342785B2 (en) | Power supplying system, electronic apparatus, and power supplying method | |
WO2013077140A1 (en) | Contactless power supply apparatus | |
US9484906B2 (en) | Apparatus and methods of N-type load switch using bootstrap gate drive for wireless power receiver | |
CN109193889A (zh) | 无线充电系统 | |
KR100903462B1 (ko) | 멀티형 충전 아답터 및 이를 구비한 무 접점 배터리 충전세트 | |
US20190272013A1 (en) | Power supplying system, electronic apparatus, and power supplying method | |
US10103560B2 (en) | Charger with wide range output voltage | |
EP3046215A1 (en) | An uninterruptible power supply device for outdoor medium voltage electric installations. | |
CN109391134A (zh) | 用于无线电力传输的基于开路的rx功率限制器 | |
US9479068B2 (en) | Power supply device | |
CN115118123A (zh) | 多电压输出的电源供应装置 | |
JP2020162311A (ja) | ワイヤレス送電装置、及びワイヤレス電力伝送システム |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11852279 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2012550923 Country of ref document: JP |
|
ENP | Entry into the national phase |
Ref document number: 20137007494 Country of ref document: KR Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13976886 Country of ref document: US |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 11852279 Country of ref document: EP Kind code of ref document: A1 |