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CN100480959C - Method for Prolonging Power Supply Time of Portable Electronic Device - Google Patents

Method for Prolonging Power Supply Time of Portable Electronic Device Download PDF

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Publication number
CN100480959C
CN100480959C CNB200410028721XA CN200410028721A CN100480959C CN 100480959 C CN100480959 C CN 100480959C CN B200410028721X A CNB200410028721X A CN B200410028721XA CN 200410028721 A CN200410028721 A CN 200410028721A CN 100480959 C CN100480959 C CN 100480959C
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portable electronic
electronic device
usb
power supply
supply time
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CN1670666A (en
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洪李德
牛秉宪
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Compal Electronics Inc
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Compal Electronics Inc
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Abstract

A method for extending the power supply time of a portable electronic device. The method is that when the portable electronic device is connected with a Universal Serial Bus (USB) device, and an accessory object can be inserted into the USB device, if the accessory object is not inserted into the USB device for a period of time, the controller in the USB device can isolate the signal of the USB connection port, so that the portable electronic device can enter a power-saving mode to prolong the power supply time of the battery.

Description

Prolong the method for portable electronic apparatus power-on time
Technical field
The invention relates to a kind of method that prolongs power-on time, and particularly relevant for a kind of method that prolongs the portable electronic apparatus power-on time.
Background technology
Along with the progress of electronic technology, more and more Duo electronic product all is designed to and can carries, and with convenience and the practicality that increases it, and general this portable electronic product mostly is to rely on battery that itself required electricity needs is provided.If it is too of a specified duration that the electric power service time of battery itself can't continue, the function that so this portable electronic product can be brought into play will be by big heavy discount, and therefore, the service time that how to prolong this portable electronic product battery is very crucial with regard to what become.
With the mobile computer is example, general in order to prolong the battery service time of mobile computer, user big city is setting power saving mode in the mobile computer system, if that is to say that mobile computer is under the situation of enabling, if when being in idle state always, this mobile computer will enter the consumption that battery saving mode reduces the electric power of battery own automatically, to prolong the service time of battery, and once when having the user to use, mobile computer will automatically restore to action (active) state, and the user can be operated normally.But, if universal serial bus (the Universal Serial Bus on mobile computer, when USB) USB of connection device being arranged on the connectivity port, this mobile computer just can't enter than battery saving mode, in this case, when even if mobile computer is in idle state always, but still can't enter, also can't reduce the consumption of battery electric power in a large number than battery saving mode.
Summary of the invention
In view of this, purpose of the present invention is exactly to propose a kind of method that prolongs the portable electronic apparatus power-on time.The method is as universal serial bus (the Universal Serial Bus that is connected on the portable electronic apparatus, USB) device is in idle state after a period of time, and when portable electronic apparatus is also idle, this portable electronic apparatus promptly enters than battery saving mode, to prolong the power-on time of portable electronic apparatus battery.
For reaching above-mentioned purpose with other, the present invention proposes a kind of method that prolongs the portable electronic apparatus power-on time, the method comprises the following steps: to connect the USB device to the usb connecting port of portable electronic apparatus, and the ancillary item of planting on this USB device; When lasting one section Preset Time, when this attached object all was not inserted in the USB device, the controller in this USB device can be isolated the signal of usb connecting port; And portable electronic apparatus can be entered than battery saving mode.
For reaching above-mentioned purpose with other, the present invention proposes a kind of method that prolongs the portable electronic apparatus power-on time in addition, this portable electronic apparatus has usb connecting port, and be coupled to the USB device, whether the attached object and this USB device can be planted, the method comprise the following steps: to detect attached object and plant in the USB device; When a lasting Preset Time, in the USB device, the controller in this USB device can not isolated the signal of usb connecting port if attached object is all planted; And portable electronic apparatus can enter than battery saving mode.
In the preferred embodiment of foregoing invention, this method that prolongs the portable electronic apparatus power-on time is after electronic installation enters than battery saving mode, and the following step more continues: be inserted in the USB device as if attached object, then portable electronic apparatus.Aforesaid step continues, if attached object is extracted from the USB device, and after continuing a Preset Time, when attached object all is not inserted in the USB device, controller in this USB device can be isolated the general serial bus connection port signal, and can enter than battery saving mode again.
In the preferred embodiment of foregoing invention, wherein, portable electronic apparatus is a mobile computer, and the USB device is a calculating punch, and is attached to liking memory card.
The method of described prolongation portable electronic apparatus power-on time, wherein, connecting this universal sequence bus unit to this general serial bus connection port is before this portable electronic apparatus start-up system.
The method of described prolongation portable electronic apparatus power-on time, wherein, connecting this universal sequence bus unit to this general serial bus connection port is after this portable electronic apparatus start-up system.
From another viewpoint, for reaching above-mentioned purpose with other, the present invention proposes a kind of method that prolongs the portable electronic apparatus power-on time more in addition, this portable electronic apparatus has a USB connecting interface, and coupling the USB device, the method comprises the following steps: to detect the USB device and whether is in idle state; Continue a Preset Time, when all being in idle state as if the USB device, the controller in this USB device can be isolated the signal of usb connecting port; And allow portable electronic apparatus enter than battery saving mode.
In the preferred embodiment of foregoing invention, this method that prolongs the portable electronic apparatus power-on time is after portable electronic apparatus enters than battery saving mode, the following step more continues: when this universal sequence bus unit recovered to use, this portable electronic apparatus left than battery saving mode.
In sum, method according to prolongation portable electronic apparatus power-on time proposed by the invention, when it can be set USB device on being connected portable electronic apparatus all be in idle state in continuing for some time, promptly isolate the signal on the USB, portable electronic apparatus can be entered than battery saving mode, to prolong the power-on time of portable electronic apparatus.
For above and other objects of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
Fig. 1 illustrates the circuit connection diagram according to the method for the prolongation portable electronic apparatus power-on time of preferred embodiment proposed by the invention;
Fig. 2 illustrates the process flow diagram according to the method for the prolongation portable electronic apparatus power-on time when universal sequence bus unit is calculating punch of preferred embodiment proposed by the invention;
Fig. 3 illustrates the process flow diagram according to the method for the prolongation portable electronic apparatus power-on time when universal sequence bus unit is mouse of preferred embodiment proposed by the invention.
Embodiment
Please refer to Fig. 1, it illustrates the circuit connection diagram according to the method for the prolongation portable electronic apparatus power-on time of preferred embodiment proposed by the invention.As shown in FIG., in the present embodiment, portable electronic apparatus is a mobile computer 101, and universal serial bus (Universal Serial Bus, USB) device then is a calculating punch 103, have one and insert the poor memory card 105 of can planting on calculating punch 103, this calculating punch 103 is to be connected to USB111 on the mobile computer 101 to transmit by USB109 by transmission line 107.Certainly, know this skill person and can know that portable electronic apparatus of the present invention is not limited to mobile computer, as in life commonly used to PDA and portable devices with usb connecting port such as mobile phone, all go for the method.
Please refer to Fig. 2, it illustrates the process flow diagram according to the method for the prolongation portable electronic apparatus power-on time of preferred embodiment proposed by the invention, and in this embodiment, the USB device is a calculating punch, and the attached object that the card read function is planted is a memory card.As shown in FIG., when mobile computer is activated, and calculating punch has been when being connected to mobile computer by USB, and in step S201, the controller in the calculating punch can detect whether the plant memory card is arranged on the calculating punch.In step S203, if continue detecting T second (T〉0) afterwards, memory card is not still planted among the calculating punch always, then the interior controller of calculating punch will be isolated the signal on (tristate) USB.In step S205, the USB port of mobile computer is not because receive the calculating punch signal, so mobile computer just can enter than battery saving mode, to reduce the consumption of battery electric power.In step S207, after entering than battery saving mode, the controller in the calculating punch still can continue to detect, after memory card is inserted into calculating punch, controller promptly transmits the signal of USB to mobile computer, informs that mobile computer leaves than battery saving mode.In step S209, if after memory card is pulled out, and in T does not all plant calculating punch in second, the signal that can isolate (tristate) USB once more of the controller in the calculating punch then.Then get back among the step S205, mobile computer just can enter than battery saving mode.
In above-mentioned method, calculating punch can just be connected on the mobile computer by USB earlier before mobile computer starts, and also can connect after mobile computer starts again.And, after execution battery life test procedure is tested, use the mobile computer of present embodiment method according to above-mentioned method, the power-on time of its battery can be improved from originally 4 hours 42 minutes and increase to 5 hours 48 minutes.Certainly, knowing this skill person can know, USB device in the above-described embodiment has more than and is defined as calculating punch, as the devices such as BT, KB that connect by USB, there is not computing (operation) if continue for some time these devices, and mobile computer (for example: in the time of the C2 state) is in battery saving mode, also can be according to the method for the above embodiments, isolate the signal of (tristate) usb connecting port, portable electronic apparatus can be entered than battery saving mode (for example: C3 state or C4 state).
Please refer to Fig. 3, it illustrates the process flow diagram according to the method for the prolongation portable electronic apparatus power-on time of another preferred embodiment proposed by the invention, and in this embodiment, the USB device is a mouse.As shown in FIG., when mobile computer is activated, and mouse has been when being connected to mobile computer by USB port, and in step S301, the controller in the mouse can detect whether be in idle (idle) state on the mouse.In step S303, continue detecting T after second, if mouse remains the idle state that is in, the signal that will isolate (tristate) USB of the controller in the mouse then.In step S305, the USB port of mobile computer is not because receive the signal of mouse controller, and mobile computer is in the C2 state, and then mobile computer can enter C3 state or the C4 state than battery saving mode automatically, to reduce the consumption of battery electric power.In step S307, after entering than battery saving mode, what the controller in the mouse still can continue detects, and when mouse returned to user mode, controller promptly transmitted the signal of USB to mobile computer, informed that mobile computer leaves than battery saving mode.At this moment, the controller of mouse can be got back among the step S301, continues the detecting mouse and whether is in idle (idle) state.Certainly, know this skill person and can know that the USB device that is proposed has more than and is defined as mouse in above-mentioned preferred embodiment, as the device that connects of use USB such as video camera, dish with oneself, and printer, all can be suitable for the method.
In sum, method according to prolongation portable electronic apparatus power-on time proposed by the invention, when it can be set universal sequence bus unit on being connected portable electronic apparatus all be in idle state in continuing for some time, promptly isolate the signal on the universal serial bus, portable electronic apparatus can be entered than battery saving mode, to prolong the power-on time of portable electronic apparatus.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limiting the present invention, anyly has the knack of this skill person, without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking Patent right requirement.

Claims (19)

1、一种延长携带型电子装置供电时间的方法,其特征在于,包括下列步骤:1. A method for extending the power supply time of a portable electronic device, comprising the following steps: a、连接一通用序列总线装置至该携带型电子装置的一通用序列总线连接端口,该通用序列总线装置上能插置一附属对象;a. Connect a USB device to a USB connection port of the portable electronic device, and an accessory object can be inserted into the USB device; b、当持续一预设时间该附属对象皆未插置于该通用序列总线装置时,该通用序列总线装置内的控制器会隔离该通用序列总线连接端口讯号;以及b. the controller in the USB device isolates the USB connection port signal when none of the satellite objects is plugged into the USB device for a predetermined period of time; and c、该携带型电子装置便进入一较省电模式。c. The portable electronic device enters a relatively power-saving mode. 2、根据权利要求1所述的延长携带型电子装置供电时间的方法,其特征在于,其中,接续步骤c更包括:2. The method for prolonging the power supply time of a portable electronic device according to claim 1, wherein the continuing step c further comprises: d、若该附属对象插入该通用序列总线装置,则该携带型电子装置便离开该较省电模式。d. If the accessory object is plugged into the USB device, the portable electronic device will leave the power-saving mode. 3、根据权利要求2所述的延长携带型电子装置供电时间的方法,其特征在于,其中,接续步骤d更包括:3. The method for prolonging the power supply time of a portable electronic device according to claim 2, wherein the continuing step d further comprises: e、若该附属对象被从该通用序列总线装置中拔出,且持续一预设时间该附属对象皆未插置于该通用序列总线装置时,该通用序列总线装置内的控制器会隔离该通用序列总线连接端口讯号,并接续执行步骤c。e. If the slave object is unplugged from the USB device and the slave object is not plugged into the USB device for a preset time, the controller in the USB device will isolate the Connect the USB port signal, and proceed to step c. 4、根据权利要求1所述的延长携带型电子装置供电时间的方法,其特征在于,其中,该携带型电子装置是一笔记型计算机。4. The method for extending the power supply time of a portable electronic device according to claim 1, wherein the portable electronic device is a notebook computer. 5、根据权利要求1所述的延长携带型电子装置供电时间的方法,其特征在于,其中,该通用序列总线装置是一卡片阅读机,该附属对象是一记忆卡。5. The method for extending the power supply time of a portable electronic device according to claim 1, wherein the USB device is a card reader, and the attached object is a memory card. 6、根据权利要求1所述的延长携带型电子装置供电时间的方法,其特征在于,其中,连接该通用序列总线装置至该通用序列总线连接端口是在该携带型电子装置启动系统之前。6. The method for extending the power supply time of a portable electronic device as claimed in claim 1, wherein connecting the USB device to the USB connection port is before the portable electronic device starts the system. 7、根据权利要求1所述的延长携带型电子装置供电时间的方法,其特征在于,其中,连接该通用序列总线装置至该通用序列总线连接端口是在该携带型电子装置启动系统之后。7. The method for extending the power supply time of a portable electronic device according to claim 1, wherein connecting the USB device to the USB connection port is after the portable electronic device boots up the system. 8、一种延长携带型电子装置供电时间的方法,其特征在于,该携带型电子装置具有一通用序列总线连接端口,并耦接一通用序列总线装置,该通用序列总线装置能插置一附属对象,该方法包括下列步骤:8. A method for prolonging the power supply time of a portable electronic device, characterized in that the portable electronic device has a USB connection port and is coupled to a USB device, and the USB device can be inserted into an accessory object, the method includes the following steps: 侦测该附属对象是否插置该通用序列总线装置中;detecting whether the slave object is plugged into the USB device; 当持续一预设时间,若该附属对象皆未插置该通用序列总线装置中,该通用序列总线装置内的控制器会隔离该通用序列总线连接端口讯号;A controller in the USB device isolates the USB connection port signal if the accessory object is not plugged into the USB device for a preset time; 该携带型电子装置便进入一较省电模式。The portable electronic device enters into a relatively power-saving mode. 9、根据权利要求8所述的延长携带型电子装置供电时间的方法,其特征在于,其中,当该携带型电子装置进入该较省电模式后,更包括下列步骤:9. The method for extending the power supply time of a portable electronic device according to claim 8, further comprising the following steps when the portable electronic device enters the relatively power-saving mode: 当该附属对象插置该通用序列总线装置时,该携带型电子装置便离开该较省电模式。When the accessory object plugs into the USB device, the portable electronic device leaves the less power-saving mode. 10、根据权利要求9所述的延长携带型电子装置供电时间的方法,其特征在于,其中,当该携带型电子装置离开该较省电模式后,更包括下列步骤:10. The method for extending the power supply time of a portable electronic device according to claim 9, further comprising the following steps when the portable electronic device leaves the relatively power-saving mode: 若该附属对象被从该通用序列总线装置中拔出,且持续一预设时间该附属对象皆未插置该通用序列总线装置中,该通用序列总线装置内的控制器会隔离该通用序列总线连接端口讯号;If the slave object is unplugged from the USB device and the slave object is not plugged into the USB device for a preset period of time, the controller in the USB device isolates the USB connection port signal; 该携带型电子装置便进入该较省电模式。The portable electronic device then enters the relatively power-saving mode. 11、根据权利要求8所述的延长携带型电子装置供电时间的方法,其特征在于,其中,该携带型电子装置是一笔记型计算机。11. The method for extending the power supply time of a portable electronic device according to claim 8, wherein the portable electronic device is a notebook computer. 12、根据权利要求8所述的延长携带型电子装置供电时间的方法,其特征在于,其中,该通用序列总线装置是一卡片阅读机,该附属对象是一记忆卡。12. The method for extending the power supply time of a portable electronic device according to claim 8, wherein the USB device is a card reader, and the attached object is a memory card. 13、根据权利要求8所述的延长携带型电子装置供电时间的方法,其特征在于,其中,连接该通用序列总线装置至该通用序列总线连接端口是在该携带型电子装置启动系统之前。13. The method for extending the power supply time of a portable electronic device as claimed in claim 8, wherein connecting the USB device to the USB connection port is before the portable electronic device starts the system. 14、根据权利要求8所述的延长携带型电子装置供电时间的方法,其特征在于,其中,连接该通用序列总线装置至该通用序列总线连接端口是在该携带型电子装置启动系统之后。14. The method for extending the power supply time of a portable electronic device as claimed in claim 8, wherein connecting the USB device to the USB connection port is after the portable electronic device boots up the system. 15、一种延长携带型电子装置供电时间的方法,其特征在于,该携带型电子装置具有一通用序列总线连接端口,并耦接一通用序列总线装置,该方法包括下列步骤:15. A method for extending the power supply time of a portable electronic device, characterized in that the portable electronic device has a USB connection port and is coupled to a USB device, and the method comprises the following steps: 侦测该通用序列总线装置是否处于闲置状态;Detecting whether the USB device is in an idle state; 持续一预设时间,若该通用序列总线装置皆处于闲置状态,该通用序列总线装置内的控制器会隔离该通用序列总线连接端口讯号;For a preset time, if the USB device is in an idle state, the controller in the USB device will isolate the USB connection port signal; 该携带型电子装置便进入一较省电模式。The portable electronic device enters into a relatively power-saving mode. 16、根据权利要求15所述的延长携带型电子装置供电时间的方法,其特征在于,其中,当该携带型电子装置进入该较省电模式后,更包括下列步骤:16. The method for extending the power supply time of a portable electronic device according to claim 15, further comprising the following steps when the portable electronic device enters the relatively power-saving mode: 当该通用序列总线装置恢复使用时,该携带型电子装置便离开该较省电模式。When the USB device resumes use, the portable electronic device leaves the relatively power-saving mode. 17、根据权利要求15所述的延长携带型电子装置供电时间的方法,其特征在于,其中该携带型电子装置是一笔记型计算机。17. The method for extending the power supply time of a portable electronic device according to claim 15, wherein the portable electronic device is a notebook computer. 18、根据权利要求15所述的延长携带型电子装置供电时间的方法,其特征在于,其中,连接该通用序列总线装置至该通用序列总线连接端口是在该携带型电子装置启动系统之前。18. The method for extending the power supply time of a portable electronic device as claimed in claim 15, wherein connecting the USB device to the USB connection port is before the portable electronic device starts the system. 19、根据权利要求15所述的延长携带型电子装置供电时间的方法,其特征在于,其中,连接该通用序列总线装置至该通用序列总线连接端口是在该携带型电子装置启动系统之后。19. The method for extending the power supply time of a portable electronic device as claimed in claim 15, wherein connecting the USB device to the USB connection port is after the portable electronic device boots up the system.
CNB200410028721XA 2004-03-15 2004-03-15 Method for Prolonging Power Supply Time of Portable Electronic Device Expired - Fee Related CN100480959C (en)

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Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5881300A (en) * 1996-02-29 1999-03-09 Kabushiki Kaisha Toshiba Method and system for saving power in a computer system having a communication device
US6516418B1 (en) * 1998-07-23 2003-02-04 Samsung Electronics Co., Ltd. Portable computer having universal serial bus ports controlled power supply and a method of the same
CN1383046A (en) * 2001-04-27 2002-12-04 力捷电脑股份有限公司 Electric energy saving method and device for peripherals with more ports
JP2003140784A (en) * 2001-10-17 2003-05-16 Internatl Business Mach Corp <Ibm> Information processor, computer, and mode control method for information processor
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