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WO2008054035A1 - Système de charge pour téléphone mobile et bluetooth - Google Patents

Système de charge pour téléphone mobile et bluetooth Download PDF

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Publication number
WO2008054035A1
WO2008054035A1 PCT/KR2006/004527 KR2006004527W WO2008054035A1 WO 2008054035 A1 WO2008054035 A1 WO 2008054035A1 KR 2006004527 W KR2006004527 W KR 2006004527W WO 2008054035 A1 WO2008054035 A1 WO 2008054035A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
mobile phone
bluetooth device
charging
unit
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2006/004527
Other languages
English (en)
Inventor
Ki Bum Park
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to PCT/KR2006/004527 priority Critical patent/WO2008054035A1/fr
Publication of WO2008054035A1 publication Critical patent/WO2008054035A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H02J7/50—
    • 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
    • H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
    • H02J7/342—The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging

Definitions

  • the present invention relates to a charging system for a mobile phone and a
  • Bluetooth device and, more particularly, to a charging system for a mobile phone and a Bluetooth device, which can charge one discharged battery using the other battery in an emergency when either one of the batteries of a Bluetooth device and a mobile phone is discharged, and which can allow the batteries of the mobile phone and the Bluetooth device to be charged together using a single battery charger.
  • Bluetooth is a technology for wirelessly connecting mobile devices, such as mobile phones or portable Personal Computers (PCs), to each other over a short distance range at low cost.
  • Bluetooth enables data and voice signals to be exchanged through communication between various types of digital devices using radio frequencies without an external connection cable.
  • Bluetooth wireless technology is implemented in a mobile phone and a laptop computer, and thus the mobile phone and the laptop computer can be connected and used without a cable.
  • PDA Personal Digital Assistant
  • a desktop computer a facsimile, a keyboard, and a joystick
  • Bluetooth devices require batteries, like mobile phones, so that they can have mobility while maintaining the functions thereof.
  • the battery of such a Bluetooth device is configured such that it is charged using a separate battery charger.
  • Such a battery charger has been used only as simple charging means without an additional function. Furthermore, there is inconvenience in that a user must carry an emergency battery, which is not used at ordinary times.
  • Bluetooth device the user cannot use the Bluetooth device in the case where a battery has been discharged, and the user cannot use the Bluetooth device also in the case where the user does not have a battery charger for the Bluetooth device.
  • a mobile phone is equipped with a battery in order to realize portability and mobility. When the battery has been completely discharged during use, emergency charging must be performed. However, in this case, there is a problem in that a user cannot use the mobile phone in the case where the user does not have a battery charger for the battery of the mobile phone. Disclosure of Invention Technical Problem
  • an object of the present invention is to provide a charging system that is capable of charging one discharged battery using the other battery in an emergency when the former battery has been discharged on the basis of the fact that a mobile phone and a Bluetooth device have respective batteries.
  • Another object of the present invention is to provide a charging system that allows the battery of a mobile phone and the battery of a Bluetooth device to be charged together using a single battery charger.
  • the present invention provides a charging system for a mobile phone and a Bluetooth device, including a mobile phone charging unit for charging a battery for providing power to the mobile phone, Universal Serial B us (USB) connectors, and a Bluetooth device charging unit for charging a battery for operating the Bluetooth device, wherein the mobile phone charging unit includes a control unit, a voltage detection unit, a charging circuit, and a battery, and wherein the Bluetooth device charging unit includes a Bluetooth device control unit, a charging circuit, a direct current-direct current boosting circuit, an overcharge/overdischarge prevention unit for preventing overcharge or overdischarge, a battery, and a voltage detection unit.
  • USB Universal Serial B us
  • FIG. 1 is a diagram showing a charging system for a mobile phone and a Bluetooth device according to the present invention.
  • FIG. 2 is a diagram showing another embodiment according to the present invention.
  • USB connector 40 battery charger
  • FIG. 1 is a diagram showing a charging system for a mobile phone and a Bluetooth device according to an embodiment of the present invention.
  • the charging system includes a mobile phone charging unit 100 for charging a battery for providing power to be supplied to the mobile phone 10, USB connectors 30 and 30', and a Bluetooth device charging unit 200 for charging a battery for operating the Bluetooth device 20.
  • the mobile phone charging unit 100 includes a control unit 11, a voltage detection unit 12, a charging circuit 13, and a battery 14.
  • the Bluetooth device charging unit 200 includes a Bluetooth device control unit 21, a charging circuit 23, a direct current-direct current boosting circuit 26, an overcharge/overdischarge prevention unit 25 for preventing overcharge or overdischarge, a battery 24, and a voltage detection unit 22.
  • the charging circuit uses the battery of a mobile phone as a power source, receives electric current or voltage output from the battery, and charges the battery of a Bluetooth device. Furthermore, the charging circuit controls charging current or voltage according to the voltage of the battery of the mobile phone and the voltage of the battery of the Bluetooth device under the control of the mobile phone control unit.
  • the mobile phone control unit 11 includes a RAM and an EEPROM for program instructions, and thus stores various parameters, such as battery voltage, battery temperature, charged current, and an interrupt cycle, and performs comparison and control.
  • the mobile phone control unit 11 further includes a plurality of programmable input/output ports.
  • the mobile phone control unit 11 is connected to the voltage detection unit 12 and the charging circuit 13, receives signal information output from the voltage detection unit 12 and the charging circuit 13, and performs general control on the battery 14 of the mobile phone and the battery 24 of the Bluetooth device.
  • the mobile phone control unit 11 monitors the voltage of the battery at predetermined intervals, and controls the charging circuit so that the charging circuit terminates the operation of charging the battery of the Bluetooth device if the voltage of the battery output from the Bluetooth device is higher than the voltage of the battery of the mobile phone.
  • the mobile phone control unit 11 checks whether the battery of the mobile phone has been connected to the battery of the Bluetooth device.
  • the voltage detection unit 12 for the mobile phone detects the voltage of the battery of the mobile phone and the voltage of the battery of the Bluetooth device, and calculates the difference in voltage by comparing the voltage of the battery of the mobile phone with the voltage of the battery of the Bluetooth device. If the voltage of the battery of the mobile phone is higher than that of the Bluetooth device, the control unit 11 for the mobile phone outputs charging current so that the battery 24 of the Bluetooth is charged via the charging circuit. Thereafter, the mobile phone control unit 11 measures the battery voltage of the Bluetooth device, and terminates the operation of charging the battery 24 of the Bluetooth device if the voltage of the battery of the Bluetooth device is higher than that of the mobile phone.
  • the control unit 21 for the Bluetooth device checks whether the battery 24 of the Bluetooth device has been connected to the battery 14 of the mobile phone. Furthermore, the voltage detection unit 22 for the Bluetooth device detects the voltage of the battery of the Bluetooth device and the voltage of the battery of the mobile phone, and calculates the difference in voltage by comparing the voltage of the battery of the Bluetooth device with the voltage of the battery of the mobile phone. If the voltage of the battery of the Bluetooth device is higher than that of the mobile phone, the control unit for the Bluetooth device outputs charging current so that the battery of the mobile phone is charged via the charging circuit. Furthermore, the control unit for the Bluetooth device measures the voltage of the battery of the mobile phone, and terminates the operation of charging the battery of the mobile phone if the measured voltage of the battery of the mobile phone is higher than that of the Bluetooth device.
  • the mobile phone 10 and the Bluetooth device 20 can be charged together using a single battery charger 40.
  • the direction of electric current is determined depending on the difference between the potential of the battery of the mobile phone 10 and the potential of the battery of the Bluetooth device 20, and, using this, the battery of the Bluetooth device and the battery of the mobile phone can be charged.
  • connection terminal of the mobile phone for charging the battery is not provided with a terminal directly connected to the battery, the battery of the mobile phone can be charged through the connection terminal of the mobile phone via the direct current-direct current boosting circuit 26 provided in the Bluetooth device, as shown in FIG. 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

L'invention concerne un système de charge pour un téléphone mobile et un dispositif Bluetooth. Le système de charge peut charger une batterie déchargée au moyen d'une autre batterie lorsque l'une des batteries d'un dispositif Bluetooth et d'un téléphone mobile est déchargée, et permet de charger les batteries du téléphone mobile et du dispositif Bluetooth au moyen d'un seul chargeur de batterie. Le système de charge de l'invention comprend une unité de charge de téléphone mobile, des connecteurs USB, et une unité de charge de dispositif Bluetooth. L'unité de charge de téléphone mobile comprend une unité de commande, une unité de détection de tension, un circuit de charge, et une batterie. L'unité de charge de dispositif Bluetooth comprend une unité de commande de dispositif Bluetooth, un circuit de charge, un circuit d'élévation courant continu-courant continu, une unité de prévention contre une surcharge/une décharge excessive permettant d'empêcher une surcharge/une décharge excessive, une batterie, et une unité de détection de tension.
PCT/KR2006/004527 2006-11-02 2006-11-02 Système de charge pour téléphone mobile et bluetooth Ceased WO2008054035A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2006/004527 WO2008054035A1 (fr) 2006-11-02 2006-11-02 Système de charge pour téléphone mobile et bluetooth

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2006/004527 WO2008054035A1 (fr) 2006-11-02 2006-11-02 Système de charge pour téléphone mobile et bluetooth

Publications (1)

Publication Number Publication Date
WO2008054035A1 true WO2008054035A1 (fr) 2008-05-08

Family

ID=39344365

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2006/004527 Ceased WO2008054035A1 (fr) 2006-11-02 2006-11-02 Système de charge pour téléphone mobile et bluetooth

Country Status (1)

Country Link
WO (1) WO2008054035A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2944163A1 (fr) * 2009-04-03 2010-10-08 Firefly Dev Ltd Dispositif pour recharger la batterie d'un telephone cellulaire.
WO2011032355A1 (fr) * 2009-09-21 2011-03-24 联想(北京)有限公司 Procédé de charge et procédé d'alimentation électrique pour terminal et terminal
CN106230037A (zh) * 2016-07-25 2016-12-14 深圳天珑无线科技有限公司 一种电子移动设备充电方法、充电装置及充电电路
US9960635B2 (en) 2015-12-29 2018-05-01 Christopher Wilkinson Wireless battery recharger and application
US11984738B2 (en) 2021-03-19 2024-05-14 Beijing Xiaomi Mobile Software Co., Ltd. Charging control method, electronic device and storage medium

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010026356A (ko) * 1999-09-06 2001-04-06 윤종용 휴대폰의 전원을 이용한 블루투스 무선 이어폰의 충전장치 및 방법
KR20020041098A (ko) * 2000-11-27 2002-06-01 윤종용 무선 헤드셋의 충전 장치 및 방법
WO2004112215A1 (fr) * 2003-06-12 2004-12-23 Koninklijke Philips Electronics N.V. Detection et notification de la presence d'un chargeur de batteries sans fil

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010026356A (ko) * 1999-09-06 2001-04-06 윤종용 휴대폰의 전원을 이용한 블루투스 무선 이어폰의 충전장치 및 방법
KR20020041098A (ko) * 2000-11-27 2002-06-01 윤종용 무선 헤드셋의 충전 장치 및 방법
WO2004112215A1 (fr) * 2003-06-12 2004-12-23 Koninklijke Philips Electronics N.V. Detection et notification de la presence d'un chargeur de batteries sans fil

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2944163A1 (fr) * 2009-04-03 2010-10-08 Firefly Dev Ltd Dispositif pour recharger la batterie d'un telephone cellulaire.
WO2011032355A1 (fr) * 2009-09-21 2011-03-24 联想(北京)有限公司 Procédé de charge et procédé d'alimentation électrique pour terminal et terminal
US20120019193A1 (en) * 2009-09-21 2012-01-26 Beijing Lenovo Software Ltd. Charging and power supplying method for termal, and terminal
US9960635B2 (en) 2015-12-29 2018-05-01 Christopher Wilkinson Wireless battery recharger and application
CN106230037A (zh) * 2016-07-25 2016-12-14 深圳天珑无线科技有限公司 一种电子移动设备充电方法、充电装置及充电电路
US11984738B2 (en) 2021-03-19 2024-05-14 Beijing Xiaomi Mobile Software Co., Ltd. Charging control method, electronic device and storage medium

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