TW201034342A - Power supply device in a portable electronic device - Google Patents

Power supply device in a portable electronic device Download PDF

Info

Publication number
TW201034342A
TW201034342A TW98107088A TW98107088A TW201034342A TW 201034342 A TW201034342 A TW 201034342A TW 98107088 A TW98107088 A TW 98107088A TW 98107088 A TW98107088 A TW 98107088A TW 201034342 A TW201034342 A TW 201034342A
Authority
TW
Taiwan
Prior art keywords
memory card
power
battery
power supply
supply device
Prior art date
Application number
TW98107088A
Other languages
Chinese (zh)
Other versions
TWI380556B (en
Inventor
Chien-Chih Hu
Original Assignee
Compal Communications Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Compal Communications Inc filed Critical Compal Communications Inc
Priority to TW98107088A priority Critical patent/TWI380556B/en
Publication of TW201034342A publication Critical patent/TW201034342A/en
Application granted granted Critical
Publication of TWI380556B publication Critical patent/TWI380556B/en

Links

Landscapes

  • Power Sources (AREA)
  • Telephone Function (AREA)

Abstract

A power supply device in a portable electronic device includes a memory card interface battery for storing power, a memory card connector installed in the portable electronic device, a battery installed in the portable electronic device for storing power, and a control unit coupled to the battery and the memory card connector, for controlling to output power from the battery or from the memory card interface battery according to a connection status between the memory card interface battery and the memory card connector.

Description

201034342 六、發明說明: .· 【發明所屬之技術領域】 本發明係指一種用於一可攜式電子裝置之電源供應裝置,尤指 一種透過該可攜式電子裝置之一記憶卡介面供應電源的電源供應裝 置。 ❻ 【先前技術】 手機或個人數位助理(PDA)等行動通訊產品具有方便攜帶的 優點,使人與人之間的通訊聯絡更快速,是現代生活中不可或缺的 工具。隨著技術的進步,手機所提供的應用服務也越來越多,以提 升使用便利性。 由於手機電池的容量有限,大部份手機的待機及通話時間皆不 長。若使用者進行長時間通話,電池的電量消耗快速,使用者很可 能在欲繼續it話的_下被機。暖,手機電池需經過數小時 的=電才足哺復使用,因此降低了使用便繼。再者,以筆記型 電腦,例’若使用者正使用筆記型電腦進行會議或播放簡報時,電 池電置用盡,it行巾的工作將被迫帽。即使筆記型電腦於電池更 換後可繼續工作,工作中斷的情形仍會造成使用者的困擾。 4 201034342 間,且無須中嶋長手物記型電腦使用時 【發明内容】 一種用於一可攜式電子襞 因此本發明之主要目的即在於提供 置之電源供應裝置。 本發明揭f麵於-可赋電子裝置之魏供絲置,包含 有《己It卡”面電池’用來儲存電源;一記憶卡插槽,設於該可攜 式電子裝置Γ—電池’設於該可氣電子裝置巾,絲儲存電源; 以及控鮮d接賊電池及該記針姉,躲根據該記憶 卡介面電池與該記憶卡插槽之嵌合雜,控制輸出該電池所儲存之 電源或該卡介面電池·存之魏至該可赋電子裝置。 【實施方式】 -月參考第1圖’第1圖為本發明實施例一電源供應裝置1〇之示 意圖。電源供應裝置1G·-可攜式電子裝置如手機或筆記型電腦 中’提供可攜式電子裝置運作所需的電源。電源供應裝置10包含有 。己隱卡插槽1GG、-電池102、-記憶卡介面電池104及-控制單 元1〇6。I己憶卡插槽1〇〇及控制單元1〇6另耦接於可攜式電子裝置 之一申央處理單元120。本發明實施例係根據記憶卡介面電池1〇4 201034342 與=卡插槽_的嵌合狀態,控制控制單元ι〇6輸出電池ι〇2或 -德卡介面電池1〇4所儲存的電源至可攜式電子裝置。 為便於說明’記憶卡插槽1〇〇係以sd Di幽)卡規格 丨己U卡插槽1〇〇設於可攜式電子裝置中,包含有多個腳位(第 圖中僅標不部份腳位用來連接記憶卡介面電池爾或一犯卡。 電池102及„己憶卡介面電池1〇4皆用來儲存電源,不同的是,電池 ❹102固定設於可攜式電子裝置中,而記憶卡介面電池1〇4係-以SD 卡規格進行封裝的電池,非固定篏合於記憶卡插槽励中。 ;請參考第2 ®,第2圖為第!圖之記憶卡插槽的示意圖。 »己憶卡插槽1GG的侧邊有—機構式的偵測腳位CD (以㈣㈣, .當記憶卡插槽為空槽時,偵測腳位CD位於高電位。當- SD卡嵌 合於記憶卡插槽1〇〇時,偵測腳位CD會被頂開並接地,此時偵測 參腳位CD的電麗訊號SD—CD產生高電位至低電位的轉態變化。此 轉態的電壓讯號SD—CD觸發中央處理單元120,以控制控制單元 106輸出電池102所儲存的電源至SD卡。由上可知,本發明實施例 之記憶卡介面電池104的機構可設計使偵測腳位CD不被頂開,以 區隔偵測結果。其它規格的記憶卡皆有類似的偵測腳位,因此,本 毛月實%例中的§己憶卡介面電池、記憶卡及記憶卡插槽不侷限於特 疋規格的介面,可為SD卡、CF ( Compact Flash )卡、MS ( Memory Stick)卡或其它規格之記憶卡。 6 201034342 ^制^ 1G6物__卡㈣編㈣卡插槽漏 ,了攜式電子裝置。於本發明實施例中,控制單元伽包含有一電源 管理單70 1G8及-選擇單元11G。電·理單元⑽包含有一輸入 端VBATT、-控制端c孤及一輸出端sD—p〇爾,分別減於 電池似、中央處理單元120及選擇單元110。電源管理單元1〇8 用來理及77配輪人端仰姐所接收的電源,以輸出多個電源分 ©別供應可攜式電子裝置之各部份電路。第i圖中僅緣出輸出端 SD_P〇WER ’肖來供應SD卡之魏。在此請注冑,冑記憶卡介面 電池104未嵌合於記憶卡插槽觸時,輸入端VBATT所接收的電 源即電池102之電源;當記憶卡介面電池1〇4嵌合於記憶卡插槽1〇〇 時’輸入端VBATT所接收的電源包含電池1〇2及記憶卡介面電池 104之電源。選擇單元11〇耦接於電源管理單元1〇8之輸入端 VBATT、輸出端SD_P〇WER、記憶卡插槽100之摘測腳位CD及 © 一電壓腳位VDD,以下依據記憶卡插槽100的使用狀態,詳述選擇 單元110的動作。 當可攜式電子裝置處於一般模式,即記憶卡插槽100為空槽 時’記憶卡插槽100的電壓腳位VDD透過選擇單元110耦接至電 • 源管理單元108的輸入端VBATT;此時,電源管理單元108僅輸出 電池102所儲存的電源至可攜式電子裝置。當記憶卡介面電池104 嵌合於記憶卡插槽1〇〇時,如同一般模式,記憶卡插槽100的電壓 腳位VDD仍透過選擇單元11()耦接至電源管理單元108的輸入端 201034342 VBATT’因此,電源管理單元 另輪出記憶卡介面電池104所错^輪出電池102所儲存的電源, 响存的電源至可搞式電子裝置。 由上可知,當使用者在雷 電池1〇4㈣断_ 她憶卡介面 電源至可攜式電子錢,_彳==_104可立即供應 、,、竭機重新啟動,目此,進行中的工作 魯 腦iJ堂°換5之’ ^電源供應輕1G應用於手機、筆記型電 2或掌上遊戲機中,將能延長待機與使用時間,避免突朗工作中 斷’進而提升使用便利性。 除此之外w SD卡嵌合於記憶卡插槽時記憶卡插槽⑽ 的電壓腳位VDD透過選擇單元110搞接至電源管理單元1〇8的輸 •出端®-roWER。同時,中央處理單元120受摘測腳位CD的電壓 訊號SD一CD所觸發’進而控制電源管理單元1〇8輸出電池⑽所 ⑩儲存之電源至SD卡。值得注意的是,透過選擇單元11〇的切換, 本發明實施例較佳地避免電源管理單元1G8讀_ SD_p〇wER 的電流回灌至輸入端VBATT。 综上所述,本發明實施例透過記憶卡介面電池,供應可攜式電 子裝置所需的電源,以及透過選擇單元的切換動作,控制記憶卡介 面電池或記憶卡使用時的電源供應路徑。因此,本發明實施例可延 長可攜式電子裝置的待機與使用時間’避免突然的工作中斷,進而 提升使用便利性。 8 201034342 以上所述僅為本發明之較佳實施例’凡依本發明申請專利範圍 ' 所做之均等變化與修飾,皆應屬本發明之涵蓋範圍。 【圖式簡單說明】 第1圖為本發明實施例一電源供應裝置的示意圖。 .第2圖為第1圖中^己憶卡插槽的示意圖。 【主要元件符號說明】201034342 VI. Description of the Invention: [Technical Field] The present invention relates to a power supply device for a portable electronic device, and more particularly to a power supply through a memory card interface of the portable electronic device. Power supply unit. ❻ [Prior Art] Mobile communication products such as mobile phones or personal digital assistants (PDAs) have the advantage of being convenient to carry, making communication between people faster, which is an indispensable tool in modern life. With the advancement of technology, more and more application services are provided by mobile phones to improve the convenience of use. Due to the limited capacity of mobile phone batteries, most mobile phones do not have long standby and talk time. If the user makes a long conversation, the battery is quickly consumed, and the user is likely to be on the machine if he wants to continue. Warm, the battery of the mobile phone needs to be used for several hours = electricity to reduce the use of the battery. Furthermore, in the case of a notebook computer, if the user is using a notebook computer for a conference or a presentation, the battery is exhausted and the work of the towel is forced to be capped. Even if the notebook computer can continue to work after the battery is replaced, the work interruption will still cause users trouble. 4 201034342, and does not need to use the medium-sized long-handed type computer. [Disclosure] One is for a portable electronic device. Therefore, the main object of the present invention is to provide a power supply device. The invention discloses a Weishang-type electronic device, and includes a “Hui Itka” surface battery for storing power; a memory card slot, which is disposed on the portable electronic device 电池-battery The utility model is provided on the gas-storage electronic device towel, and the wire storage power source; and the control d-connected thief battery and the stylus 姊, hiding the battery according to the memory card interface and the memory card slot, and controlling the output of the battery for storage The power supply or the card interface battery is stored in the electronic device. [Embodiment] - Monthly reference to Fig. 1 is a schematic diagram of a power supply device 1 according to an embodiment of the present invention. Power supply device 1G · Portable electronic devices such as mobile phones or notebook computers provide the power required for the operation of the portable electronic device. The power supply device 10 includes the hidden card slot 1GG, the battery 102, and the memory card interface battery. 104 and - control unit 1 〇 6. The I card memory slot 1 and the control unit 1 〇 6 are additionally coupled to one of the portable electronic devices, the central processing unit 120. The embodiment of the present invention is based on the memory card interface Battery 1〇4 201034342 with = card slot _ fitting state The control unit ι〇6 outputs the power stored in the battery ι〇2 or Deka interface battery 1〇4 to the portable electronic device. For the convenience of description, the [memory card slot 1 is sd Di) card specification The U-card slot 1 is located in the portable electronic device and includes a plurality of pins. In the figure, only some of the pins are used to connect the memory card interface to the battery or a card. Battery 102 And „Resident card interface battery 1〇4 are used to store the power supply. The difference is that the battery pack 102 is fixed in the portable electronic device, and the memory card interface battery is 1〇4 series-the battery packaged in the SD card specification. , non-fixed to the memory card slot excitation;; please refer to the 2 ®, 2 is a schematic diagram of the memory card slot of the figure! » The side of the memory card slot 1GG has - institutional Detecting the foot CD (to (4) (4), when the memory card slot is empty, the detection pin CD is at a high potential. When the SD card is inserted into the memory card slot 1 ,, the detection pin CD It will be jacked up and grounded. At this time, the SD signal of the CD-ROM of the detection pin CD generates a transition from high potential to low potential. The pressure signal SD-CD triggers the central processing unit 120 to control the control unit 106 to output the power stored in the battery 102 to the SD card. As can be seen from the above, the mechanism of the memory card interface battery 104 of the embodiment of the present invention can be designed to detect the foot. The CD is not opened to separate the detection results. The memory cards of other specifications have similar detection pins. Therefore, the § memory card, memory card and memory card in the example of this month The slot is not limited to the special specification interface, and can be an SD card, a CF (Compact Flash) card, an MS (Memory Stick) card or a memory card of other specifications. 6 201034342 ^System ^1G6 object __ card (four) edit (four) card The slot is leaky and the portable electronic device is used. In the embodiment of the present invention, the control unit 380 includes a power management sheet 70 1G8 and a selection unit 11G. The electrical unit (10) includes an input terminal VBATT, a control terminal c and an output terminal sD-p, respectively, which are subtracted from the battery, the central processing unit 120 and the selection unit 110. The power management unit 1〇8 is used to manage the power received by the 77-seat human terminal to output a plurality of power distributions. In the i-th picture, only the output end SD_P〇WER ’ Please note that when the memory card interface battery 104 is not engaged in the memory card slot, the power received by the input terminal VBATT is the power of the battery 102; when the memory card interface battery 1〇4 is embedded in the memory card insertion When the slot is 1 ', the power received by the input terminal VBATT includes the power of the battery 1 〇 2 and the memory card interface battery 104. The selection unit 11 is coupled to the input terminal VBATT of the power management unit 〇8, the output terminal SD_P〇WER, the test pin CD of the memory card slot 100, and the © voltage pin VDD, according to the memory card slot 100. The operation state of the selection unit 110 will be described in detail. When the portable electronic device is in the normal mode, that is, when the memory card slot 100 is empty, the voltage pin VDD of the memory card slot 100 is coupled to the input terminal VBATT of the power source management unit 108 through the selection unit 110; At this time, the power management unit 108 outputs only the power stored in the battery 102 to the portable electronic device. When the memory card interface battery 104 is embedded in the memory card slot 1 , as in the normal mode, the voltage pin VDD of the memory card slot 100 is still coupled to the input end of the power management unit 108 through the selection unit 11 ( ) 201034342 VBATT' Therefore, the power management unit additionally rotates the memory of the memory card interface battery 104 to turn off the power stored in the battery 102, and the stored power is supplied to the electronic device. As can be seen from the above, when the user is in the lightning battery 1〇4 (four) off _ she recalls the card interface power to the portable electronic money, _彳==_104 can be immediately supplied, and the machine is restarted, for this purpose, ongoing work Lu brain iJ hall ° for 5 ' ^ power supply light 1G used in mobile phones, notebook type 2 or handheld game consoles, will be able to extend standby and use time, to avoid sudden work interruptions - and thus improve the convenience of use. In addition, when the SD card is inserted into the memory card slot, the voltage pin VDD of the memory card slot (10) is connected to the output terminal ®-roWER of the power management unit 1〇8 through the selection unit 110. At the same time, the central processing unit 120 is triggered by the voltage signal SD-CD of the test pin CD, and then controls the power management unit 1〇8 to output the power stored in the battery (10) 10 to the SD card. It should be noted that, by the switching of the selection unit 11〇, the embodiment of the present invention preferably avoids the current of the power management unit 1G8 reading _SD_p〇wER from being recharged to the input terminal VBATT. In summary, the embodiment of the present invention supplies the power required by the portable electronic device through the memory card interface battery, and controls the power supply path of the memory card interface battery or the memory card through the switching action of the selection unit. Therefore, the embodiment of the present invention can extend the standby and use time of the portable electronic device to avoid sudden work interruption, thereby improving the convenience of use. 8 201034342 The above are only the preferred embodiments of the present invention, and the equivalent variations and modifications made by the present invention are intended to be within the scope of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic diagram of a power supply device according to an embodiment of the present invention. Fig. 2 is a schematic view of the card slot in Fig. 1. [Main component symbol description]

10 1〇0 1〇2 1〇4 1〇6 1〇8 U〇 120 Vt)D CD VBATT10 1〇0 1〇2 1〇4 1〇6 1〇8 U〇 120 Vt)D CD VBATT

電源供應裝置 記憶卡插槽 電池 記憶卡介面電池 控制單元 電源管理單元 選擇單元 中央處理單元 電壓腳位 記憶卡偵測腳位 電壓訊號 輸入端 9 201034342Power supply device Memory card slot Battery Memory card interface battery Control unit Power management unit Selection unit Central processing unit Voltage pin Memory card detection pin Voltage signal Input 9 201034342

SD_POWER :CTRL 輸出端 控制端SD_POWER : CTRL output console

Claims (1)

201034342 七 % 2. 鲁 3. 、申請專利範圍: 一種用於一可攜式電子裝置之電源供應裝置,包含有: 一記憶卡介面電池,用來儲存電源; —記憶卡插槽,設於該可攜式電子裝置中; —電池,設於該可攜式電子裝置中,用來儲存電源;以及 一控制單元,耦接於該電池及該記憶卡插槽,用來根據該記憶 卡介面電池與該記憶卡插槽之齡狀態,控雜出該電: 所儲存之電源或該記憶卡介面電池所儲存之電源至誃η 式電子裝置。 ”、〜可攜 如請求们所述之電源供應裝置,其中於該記憶卡介面電 ==Γ該控制單相電峨存之電源 ㈣面電池嵌 存之物2 解元輸出觀,辭介面電池所館 存之電处财射f子裝I。 如β求項1所述之電源供應裝置,i —憶卡插槽時,該控制單元輸出該魏中於一峨卡换合於該記 卡 '所儲存之電源至該記憶 5. 如⑺求項1 ♦編购,其巾_彳單元包含有·· 201034342 電源官理單元,耦接於該電池,用 至該可攜式電子裝置:錢 s及分配—第-電源 選擇單元,祕於該城赖奴 該記憶卡介面電池後合於該記悔卡插槽:寺=,用來於 介面電池所儲存之電源至該電源管理_,别出该記憶卡 至該 =於該記憶卡插槽時,該電記憶 馨 6.如請求項5所述之電源供應裝置,其中該第一 儲存之電源或該記憶卡介面電池所儲存 電源係該電池所 之電源 7.如請求項5所述之電源供應裝置,其中該記憶卡插槽及 ' 管理私抽接於該賴式電子裝置之-Μ處料元,該中' - ^理單元用來於該記憶侦合於該記憶卡_時,控制=電 φ 源管理單元輸出該電池所儲存的電源至該記憶卡。 Λ 8.如請求項5所述之電源供應裝置,其中於該記憶卡插槽為空槽 時,該記憶卡插槽之一電源端透過該選擇單元耦接於該電源管 理單元之一輸入端。 、 9.如請求項5所述之電源供應裝置,其中於該記憶卡介面電池嵌 合於該記憶卡插槽時,該記憶卡插槽之一電源端透過該選擇單 元耦接於該電源管理單元之一輸入端。 12 201034342 ,.如睛求項5所述之電源供應裝置,其中於該記憶卡嵌合於該記 隐卡插槽時’該記憶卡插槽之-電源端透職選擇單元搞接於 該電源管理單元之一輸出端。 11. 如请求項1所述之電源供應裝置,其中該記憶卡插槽所使用的 介面規格係 SD (SecureDigital)卡、CF (CompactFlash)卡 參 或 MS (Memory Stick)卡。 12. 如請求項1所述之電源供應裝置,其中該記憶卡介面電池所使 用的介面規格係於 SD ( Secure Digital)卡、CF ( Compact Flash ) 卡或 MS (Memory Stick)卡。 13. 如請求項1所述之電源供應裝置,其中該可攜式電子裝置係一 . 行動電話、一筆記型電腦或一掌上遊戲機。 φ 八、圖式·· 13201034342 七% 2. Lu 3. Patent application scope: A power supply device for a portable electronic device, comprising: a memory card interface battery for storing power; - a memory card slot, located at the In the portable electronic device, a battery is disposed in the portable electronic device for storing the power; and a control unit is coupled to the battery and the memory card slot for the battery according to the memory card interface In the state of the age of the memory card slot, the power is controlled: the stored power source or the power stored in the memory card interface battery to the 誃-type electronic device. ", ~ can carry the power supply device as described in the request, wherein the memory card interface is electrically == Γ the control power of the single-phase power storage (four) surface battery embedded object 2 solution output view, word interface battery The electricity storage unit of the museum stores the sub-package I. As the power supply device described in Item 1, the i-memory card slot, the control unit outputs the Weizhong card to the card. 'The stored power supply to the memory 5. If (7) item 1 ♦ is purchased, its towel _ 彳 unit contains ... 201034342 power supply unit, coupled to the battery, to the portable electronic device: money s and distribution - the first - power selection unit, the secret of the city, the memory card interface battery after the memory card is combined with the memory card slot: Temple =, used to store the power stored in the battery to the power management _, do not The power supply device of claim 5, wherein the first stored power source or the memory card interface battery is stored in the power supply device. A power supply device as claimed in claim 5, wherein the power supply device Recalling the card slot and 'management privately connected to the Lai electronic device - the unit of the unit, the '- unit is used to detect the memory on the memory card _, control = power φ source management The unit outputs the power stored in the battery to the memory card. The power supply device of claim 5, wherein when the memory card slot is an empty slot, one of the memory card slots transmits the power source The selection unit is coupled to the input end of the power management unit. The power supply device of claim 5, wherein the memory card slot is inserted into the memory card slot of the memory card interface The power supply device is coupled to the input terminal of the power management unit through the selection unit. The power supply device of claim 5, wherein the memory card is embedded in the memory card slot. The memory card slot-power-side service selection unit is connected to one of the power management unit outputs. 11. The power supply device of claim 1, wherein the interface of the memory card slot is used Specifications are SD (SecureDigital) card, CF (CompactFla Sh) Card memory or MS (Memory Stick) card 12. The power supply device according to claim 1, wherein the interface specification of the memory card interface battery is SD (Secure Digital) card, CF (Compact Flash) A card or an MS (Memory Stick) card. The power supply device of claim 1, wherein the portable electronic device is a mobile phone, a notebook computer or a handheld game console. φ 八·· 13
TW98107088A 2009-03-05 2009-03-05 Power supply device in a portable electronic device TWI380556B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW98107088A TWI380556B (en) 2009-03-05 2009-03-05 Power supply device in a portable electronic device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW98107088A TWI380556B (en) 2009-03-05 2009-03-05 Power supply device in a portable electronic device

Publications (2)

Publication Number Publication Date
TW201034342A true TW201034342A (en) 2010-09-16
TWI380556B TWI380556B (en) 2012-12-21

Family

ID=44855463

Family Applications (1)

Application Number Title Priority Date Filing Date
TW98107088A TWI380556B (en) 2009-03-05 2009-03-05 Power supply device in a portable electronic device

Country Status (1)

Country Link
TW (1) TWI380556B (en)

Also Published As

Publication number Publication date
TWI380556B (en) 2012-12-21

Similar Documents

Publication Publication Date Title
US9729692B2 (en) Cable with memory
TWI451703B (en) Mobile terminal aware of external device and control method for the same
KR100997309B1 (en) Method and system for discovering a power source on a peripheral bus
TWI356295B (en) Usb device and method for charging the same
JP5394400B2 (en) Power adapter
TWI326928B (en) Method for charging portable electronic apparatus
JP7121865B2 (en) Reverse charging device, method and device for adjusting reverse charging current
US7795842B2 (en) Adjustable cut-off voltage for mobile device battery
US6339311B1 (en) Photovoltaic power source for portable electronic device
KR101216145B1 (en) Method and apparatus for charging for battery of portable terminal
US9667072B2 (en) Mobile power device with memory storage feature which switches between master and slave roles
CN103685730A (en) Mobile terminal communication control method and mobile terminal thereof
CN112688373A (en) Charging method and device and data line
CN101515962A (en) Electronic equipment and using method thereof
US9553477B2 (en) Mobile communication terminal
CN2893948Y (en) Cell phone charger with automatic storing data function
TW201034342A (en) Power supply device in a portable electronic device
CN105207279A (en) Charge and discharge circuit and mobile terminal
JP2018113759A (en) Information processor provided with chargeable battery and charging device
US20220399730A1 (en) Portable wireless charging apparatus and system
US7990104B2 (en) Mobile charger receptacle configured with universal serial bus (USB), cigarette lighter adapter (CLA) plug and control firmware
CN101246735A (en) Portable memory device
WO2016101896A1 (en) An electronic apparatus and a method for power supplying and data access
CN112449330A (en) Mobile terminal communication method, mobile terminal and storage medium
CN215647304U (en) External sound card and audio system

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees