JP2018013932A5 - Electronic device and control method of electronic device - Google Patents

Electronic device and control method of electronic device Download PDF

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JP2018013932A5
JP2018013932A5 JP2016142723A JP2016142723A JP2018013932A5 JP 2018013932 A5 JP2018013932 A5 JP 2018013932A5 JP 2016142723 A JP2016142723 A JP 2016142723A JP 2016142723 A JP2016142723 A JP 2016142723A JP 2018013932 A5 JP2018013932 A5 JP 2018013932A5
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terminal
switch
electronic device
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JP6681292B2 (en
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Priority to US15/653,631 priority patent/US10372568B2/en
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本発明は、接続された外部機器のインターフェースの種別を判定することができる電子機器および電子機器の制御方法に関する。
The present invention relates to an electronic device capable of determining the type of interface of a connected external device and a method for controlling the electronic device .

上記目的を達成するための本発明の一態様による電子機器は、たとえば、以下の構成を備える。すなわち、
外部機器から電力を受ける第１端子と、
前記外部機器の情報を取得する第２端子と、
前記第１端子の電圧の変化に基づいて前記外部機器の種別を判定する制御回路と、
前記第２端子からの電力を蓄電し、前記制御回路の電力を供給する蓄電部を備えることを特徴とする電子機器。

In order to achieve the above object, an electronic apparatus according to an aspect of the present invention includes, for example, the following configuration. That is,
A first terminal Keru receive power from an external device,
A second terminal to obtain the information of the external device,
And a control circuit determines the type of Kigaibu equipment before based on a change of the front SL voltage of the first terminal,
It said second and storing power from the terminal, an electronic device, wherein the obtaining Bei power storage unit for supplying electric power of the control circuit.

Claims (18)

外部機器から電力を受ける第１端子と、
前記外部機器の情報を取得する第２端子と、
前記第１端子の電圧の変化に基づいて前記外部機器の種別を判定する制御回路と、
前記第２端子からの電力を蓄電し、前記制御回路の電力を供給する蓄電部と、を備えることを特徴とする電子機器。 A first terminal Keru receive power from an external device,
A second terminal to obtain the information of the external device,
And a control circuit determines the type of Kigaibu equipment before based on a change of the front SL voltage of the first terminal,
It said second and storing power from the terminal, an electronic device, wherein the obtaining Bei and a power storage unit for supplying electric power of the control circuit. グランド端子と、
前記第２端子と前記グランド端子との間の接続を切り換える第１スイッチと、
前記第２端子と前記蓄電部との間の接続を切り換える第２スイッチと、をさらに備え、
前記制御回路は、
前記第１スイッチを非接続状態に制御し、前記第２スイッチを接続状態に制御して、前記蓄電部に前記第２端子を介して受けた電力を蓄電し、
前記蓄電部に所定の電力が蓄電されたことに応じて、前記第１スイッチを接続状態に制御し、前記第２スイッチを非接続状態に制御することを特徴とする請求項１に記載の電子機器。 A ground terminal;
A first switch for switching a connection between the second terminal and the ground terminal;
A second switch for switching the connection between the second terminal and the power storage unit,
The control circuit includes:
Controlling the first switch to a non-connected state, controlling the second switch to a connected state, and storing the power received via the second terminal in the power storage unit;
Before SL Depending particular predetermined power is power storage unit, according to claim 1, wherein the first control switch to the connection state, characterized that you control the second switch to the non-connected state Electronic equipment. 前記制御回路は、前記第１スイッチを非接続状態に制御し、前記第２スイッチを接続状態に制御した状態で前記第１端子に所定の電圧が検出された場合、前記外部機器が第１種別の機器であると判定することを特徴とする請求項２に記載の電子機器。 The control circuit controls the first switch to a non-connected state, and when the predetermined voltage is detected at the first terminal in a state where the second switch is controlled to a connected state, the external device is a first type. The electronic device according to claim 2 , wherein the electronic device is determined to be an electronic device. 前記第１種別は、ＵＳＢ Ｔｙｐｅ−Ｃに準拠しないタイプのＵＳＢを搭載した機器を示すことを特徴とする請求項３に記載の電子機器。  The electronic device according to claim 3, wherein the first type indicates a device equipped with a USB that does not conform to USB Type-C. 前記制御回路は、前記第１スイッチを非接続状態に制御し、前記第２スイッチを接続状態に制御した状態で前記第１端子に前記所定の電圧が検出されず、前記第１スイッチを接続状態に制御し、前記第２スイッチを非接続状態に制御したあとで、前記第１端子に前記所定の電圧が検出された場合、前記外部機器が第２種別の機器であると判定することを特徴とする請求項３または請求項４に記載の電子機器。 The control circuit controls the first switch to a non-connected state and controls the second switch to a connected state, the predetermined voltage is not detected at the first terminal, and the first switch is connected. controls on, said second switch after you control the non-connected state, when the predetermined voltage to the first terminal is detected, characterized in that said external device is determined to be a device of the second type The electronic device according to claim 3 or 4 . 前記第２種別は、ＵＳＢ Ｔｙｐｅ−Ｃに準拠するＵＳＢを搭載した機器を示すことを特徴とする請求項５に記載の電子機器。  6. The electronic device according to claim 5, wherein the second type indicates a device equipped with a USB conforming to USB Type-C. 前記制御回路は、前記電子機器の電源がオフの状態、または、前記電子機器に外部機器が接続されていない状態において、前記第１スイッチが非接続状態であり、かつ、前記第２スイッチが接続状態であるように、各スイッチを制御することを特徴とする請求項２乃至請求項６のいずれか１項に記載の電子機器。 The control circuit is configured such that the first switch is in a disconnected state and the second switch is connected in a state in which the power source of the electronic device is off or an external device is not connected to the electronic device. The electronic device according to claim 2 , wherein each switch is controlled so as to be in a state . 前記第１端子はＵＳＢ Ｔｙｐｅ−Ｃ規格に定められたＶＢＵＳ端子、前記第２端子はＵＳＢ Ｔｙｐｅ−Ｃ規格に定められたＣＣ端子であることを特徴とする請求項１乃至請求項７のいずれか１項に記載の電子機器。 Before Symbol VBUS terminal first terminal stipulated in USB Type-C standard, any of claims 1 to 7, wherein the second terminal is a CC terminal stipulated in USB Type-C standard The electronic device of Claim 1 . 前記制御回路は、判定された前記外部機器の種別に応じて、前記外部機器の給電能力を検出する処理を実行することを特徴とする請求項１乃至８のいずれか１項に記載の電子機器。 Wherein the control circuit, according to the type of the determined the external device, the electronic device according to any one of claims 1 to 8, characterized in that to execute a process of detecting the power supply capacity of the external device . 外部機器から電力を受ける第１端子と、前記外部機器の情報を取得する第２端子と、を備える電子機器の制御方法であって、  An electronic device control method comprising: a first terminal that receives power from an external device; and a second terminal that acquires information on the external device,
制御回路により前記第１端子の電圧の変化に基づいて前記外部機器の種別を判定する工程と、  Determining a type of the external device based on a change in voltage of the first terminal by a control circuit;
前記第２端子からの電力を蓄電部に蓄電する工程と、  Storing power from the second terminal in a power storage unit;
前記制御回路の電力を前記蓄電部から供給する工程と、を備えることを特徴とする電子機器の制御方法。  And a step of supplying power of the control circuit from the power storage unit. 前記電子機器は、  The electronic device is
グランド端子と、  A ground terminal;
前記第２端子と前記グランド端子との間の接続を切り換える第１スイッチと、  A first switch for switching a connection between the second terminal and the ground terminal;
前記第２端子と前記蓄電部との間の接続を切り換える第２スイッチと、をさらに備え、  A second switch for switching the connection between the second terminal and the power storage unit,
前記蓄電する工程では、  In the step of storing electricity,
前記第１スイッチを非接続状態に制御し、前記第２スイッチを接続状態に制御して、前記蓄電部に前記第２端子を介して受けた電力を蓄電し、  Controlling the first switch to a non-connected state, controlling the second switch to a connected state, and storing the power received via the second terminal in the power storage unit;
前記蓄電部に所定の電力が蓄電されたことに応じて、前記第１スイッチを接続状態に制御し、前記第２スイッチを非接続状態に制御することを特徴とする請求項１０に記載の電子機器の制御方法。  The electronic device according to claim 10, wherein the first switch is controlled to be in a connected state and the second switch is controlled to be in a non-connected state in response to a predetermined power being stored in the power storage unit. Device control method. 前記第１スイッチを非接続状態に制御し、前記第２スイッチを接続状態に制御した状態で前記第１端子に所定の電圧が検出された場合に、前記外部機器が第１種別の機器であると判定する工程を備えることを特徴とする請求項１１に記載の電子機器の制御方法。  When the predetermined voltage is detected at the first terminal in a state where the first switch is controlled to be disconnected and the second switch is controlled to be connected, the external device is a first type device. The method for controlling an electronic device according to claim 11, further comprising: 前記第１種別は、ＵＳＢ Ｔｙｐｅ−Ｃに準拠しないタイプのＵＳＢを搭載した機器を示すことを特徴とする請求項１２に記載の電子機器の制御方法。  13. The method of controlling an electronic device according to claim 12, wherein the first type indicates a device equipped with a USB that does not conform to USB Type-C. 前記判定する工程では、前記第１スイッチを非接続状態に制御し、前記第２スイッチを接続状態に制御した状態で前記第１端子に前記所定の電圧が検出されず、前記第１スイッチを接続状態に制御し、前記第２スイッチを非接続状態に制御したあとで、前記第１端子に前記所定の電圧が検出された場合、前記外部機器が第２種別の機器であると判定することを特徴とする請求項１２または請求項１３に記載の電子機器の制御方法。  In the determining step, the predetermined voltage is not detected at the first terminal in a state where the first switch is controlled to be disconnected and the second switch is controlled to be connected, and the first switch is connected. Determining that the external device is a second type device when the predetermined voltage is detected at the first terminal after controlling the second switch to a disconnected state. 14. The method for controlling an electronic device according to claim 12, wherein the electronic device is controlled. 前記第２種別は、ＵＳＢ Ｔｙｐｅ−Ｃに準拠するＵＳＢを搭載した機器を示すことを特徴とする請求項１４に記載の電子機器の制御方法。  15. The electronic device control method according to claim 14, wherein the second type indicates a device equipped with a USB that conforms to USB Type-C. 前記電子機器の電源がオフの状態、または、前記電子機器に外部機器が接続されていない状態において、前記第１スイッチが非接続状態であり、かつ、前記第２スイッチが接続状態であるように、各スイッチを制御する工程を備えることを特徴とする請求項１１乃至請求項１５のいずれか１項に記載の電子機器の制御方法。  The first switch is in a disconnected state and the second switch is in a connected state in a state where the power source of the electronic device is turned off or an external device is not connected to the electronic device. The method for controlling an electronic device according to claim 11, further comprising a step of controlling each switch. 前記第１端子はＵＳＢ Ｔｙｐｅ−Ｃ規格に定められたＶＢＵＳ端子、前記第２端子はＵＳＢ Ｔｙｐｅ−Ｃ規格に定められたＣＣ端子であることを特徴とする請求項１０乃至請求項１６のいずれか１項に記載の電子機器の制御方法。  17. The device according to claim 10, wherein the first terminal is a VBUS terminal defined by the USB Type-C standard, and the second terminal is a CC terminal defined by the USB Type-C standard. The method for controlling an electronic device according to Item 1. 判定された前記外部機器の種別に応じて、前記外部機器の給電能力を検出する処理を実行する工程をさらに備えることを特徴とする請求項１０乃至１７のいずれか１項に記載の電子機器の制御方法。  The electronic device according to claim 10, further comprising a step of executing a process of detecting a power supply capability of the external device according to the determined type of the external device. Control method.
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