CN1312581C - External starter for pc system - Google Patents

External starter for pc system Download PDF

Info

Publication number
CN1312581C
CN1312581C CNB2004100313638A CN200410031363A CN1312581C CN 1312581 C CN1312581 C CN 1312581C CN B2004100313638 A CNB2004100313638 A CN B2004100313638A CN 200410031363 A CN200410031363 A CN 200410031363A CN 1312581 C CN1312581 C CN 1312581C
Authority
CN
China
Prior art keywords
data bus
microcontroller
personal computer
computer system
adds
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.)
Expired - Fee Related
Application number
CNB2004100313638A
Other languages
Chinese (zh)
Other versions
CN1564132A (en
Inventor
王家俊
林永杰
陈慕一
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.)
LUCHUANG SCI-TECH Co Ltd
Iadea Corp
Original Assignee
LUCHUANG SCI-TECH Co Ltd
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 LUCHUANG SCI-TECH Co Ltd filed Critical LUCHUANG SCI-TECH Co Ltd
Priority to CNB2004100313638A priority Critical patent/CN1312581C/en
Publication of CN1564132A publication Critical patent/CN1564132A/en
Application granted granted Critical
Publication of CN1312581C publication Critical patent/CN1312581C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Stored Programmes (AREA)

Abstract

The present invention relates to an additional start-up device which is applied to a personal computer system. The personal computer system comprises a first data bus and a hard disk drive, wherein a first operating system program code is memorized in the hard disk drive. The additional start-up device comprises a second data bus joint, a third data bus, a circuit carrier, a non-volatile memory and a microcontroller, wherein the second data bus joint is connected with the first data bus; the third data bus joint can be connected with the hard disk drive; the second and the third data bus joints are connected to the circuit carrier; the non-volatile memory is arranged on the circuit carrier, and a second operating system program code is memorized in the non-volatile memory; the microcontroller is arranged on the circuit carrier and electrically connected among the second data bus joint, the third data bus joint and the non-volatile memory; the microcontroller can be switched from a first state to a second state when triggered by a switching signal.

Description

Be applied to personal computer system's the opening device that adds
Technical field
The present invention relates to a kind of opening device that adds, relate in particular to the opening device that adds among a kind of personal computer system of being applied to.
Background technology
Because the function of personal computer from strength to strength, so many users use personal computer as another audio-visual broadcast household electrical appliances in the family.Yet, conventional personal computer mainly utilizes disk devices such as the floppy disk that stores operating system program or hard disk to be used as " opening device ", but floppy drive or hard disk drive equimagnetic are taken inventory the noise power consumption excessive with it that is produced when getting the device operation, not all user's acceptable.
So there is a kind of Nonvolatile memory start additional card 1 to be developed, as shown in Figure 1, it mainly deposits an operating system program code (common is the less (SuSE) Linux OS program code of data volume) and audio-visual play-back application code by a flash memory 10, again by the integrated electronic installation of IDE (Integrated DeviceElectronics), or be also referred to as ATA (Advanced TechnologyAttachment bus) bus interface 11 and be connected with the South Bridge chip group 12 of personal computer, thus, this Nonvolatile memory start additional card 1 just can be considered as equipment on the IDE bus by personal computer, by control for start assembly option in the Basic Input or Output System (BIOS) (BIOS), the user just can use in this flash memory 10 stored operating system program code to start shooting, with so that this personal computer can enter one comparatively simple but can carry out in the operating system of audio-visual broadcast, so can carry out the action of audio-visual broadcast not starting under the situation of disk devices such as floppy disk or hard disk.
Because each IDE bus interface can be connected in series 2 equipment (main equipment (Master) and slave unit (Slave)) usually, and has 2 IDE bus interface (main IDE and time IDE) on the pc board usually.Therefore, a personal computer only can connect the equipment of four IDE bus interface usually, and Nonvolatile memory commonly used start additional card 1 one of them joint that will account for, and make remaining three of remaining exercisable joint, and general personal computer has a floppy drive 13, a CD-ROM drive 14 and a hard disk drive 15 at least.Thus, four joints will be taken and be caused user's inconvenience, because need increase the equipment (such as another hard disk drive) of another IDE bus interface as the user, must be under the situation of dismounting casing, the additional card of again Nonvolatile memory being started shooting 1 removes from joint, and the side might reach the change of system architecture.So will cause user's inconvenience greatly.In addition, general personal computer only has computer keyboard and the mouse of tradition in order to input character, and the audio-visual broadcast household electrical appliances user that so will allow custom use a teleswitch can't adapt to and produce puzzlement.
Summary of the invention
Fundamental purpose of the present invention is the opening device that adds that provides for the defective that overcomes prior art among a kind of personal computer system of being applied to.
The present invention is a kind of opening device that adds, be applied among the personal computer system, this personal computer system includes one first data bus and a hard disk drive, store one first operating system program code in this hard disk drive, this adds opening device and comprises: one second data bus connector can be engaged on this first data bus; One the 3rd data bus connector can be connected with this hard disk drive; One circuit carrier second is connected on it with the 3rd data bus connector for this; One Nonvolatile memory is arranged on this circuit carrier, stores one second operating system program code on it; An and microcontroller, be arranged on this circuit carrier, be electrically connected on this second data bus connector, between the 3rd data bus connector and this Nonvolatile memory, it is in response to a triggering of switching signal, and then switch to one second state by one first state, wherein this first state is connected for this second data bus connector and the 3rd data bus connector are finished signal, this first operating system program code of storing in this hard disk drive can be sent among this personal computer system by this microcontroller and this second data bus connector, and make this personal computer system can carry out this first operating system program code, be connected for this second data bus connector and this Nonvolatile memory are finished signal as for this second state, this operating system program code of storing on this Nonvolatile memory can be sent among this personal computer system by this microcontroller and this second data bus connector, and make this personal computer system can carry out this second operating system program code.
According to above-mentioned conception, the opening device that adds of the present invention, wherein this data bus connector is the IDE bus contact.
According to above-mentioned conception, the opening device that adds of the present invention, wherein this circuit carrier is a circuit board.
According to above-mentioned conception, the opening device that adds of the present invention, wherein this Nonvolatile memory is a flash memory module.
According to above-mentioned conception, the opening device that adds of the present invention, wherein this microcontroller also is connected to the PS/2 interface among this personal computer system, and this microcontroller can send a multimedia steering order to this personal computer system by this PS/2 interface.
According to above-mentioned conception, the opening device that adds of the present invention, wherein this microcontroller also is connected to the USB (universal serial bus) among this personal computer system, and this microcontroller can send a multimedia steering order to this personal computer system by this USB (universal serial bus).
According to above-mentioned conception, the opening device that adds of the present invention, wherein this microcontroller also is connected to the power supply control interface among this personal computer system, and this microcontroller can send electric power starting instruction to this personal computer system by this power supply control interface.
According to above-mentioned conception, the opening device that adds of the present invention, wherein this switching signal, this multimedia steering order or the instruction of this electric power starting can be sent by an audio-visual broadcast telepilot, and are received and be forwarded to this personal computer system by this microcontroller.
According to above-mentioned conception, the opening device that adds of the present invention wherein comprises in this microcontroller: one shares data bus, is electrically connected between this second data bus connector, the 3rd data bus connector and this Nonvolatile memory; One first core assembly sheet is selected signal wire, is electrically connected on this second data bus connector, and the first core assembly sheet is selected to transmit on the signal wire an activation signal; One second core assembly sheet is selected signal wire, be electrically connected on the 3rd data bus connector, when this microcontroller switched to this second state by this first state, this second core assembly sheet selected the signal wire and the first core assembly sheet to select to be electrically connected by being electrically connected not change between signal wire; And one the 3rd the core assembly sheet select signal wire, be electrically connected on this Nonvolatile memory, when this microcontroller switched to this second state by this first state, the 3rd core assembly sheet selected the signal wire and the first core assembly sheet to select not change electrical connection into by being electrically connected between signal wire.
According to above-mentioned conception, the opening device that adds of the present invention wherein also store a multimedia playing program code in the Nonvolatile memory, and the data volume of this second operating system program code is less than the data volume of this first operating system program code.
Description of drawings
The present invention obtains more deep understanding by accompanying drawing and detailed description:
Fig. 1 is that Nonvolatile memory start additional card 1 commonly used is inserted in the block diagram on the personal computer system.
Fig. 2 is applied to block diagram on the personal computer system for the opening device that adds that the present invention is developed out.
Fig. 3 improves the conventional means defective to develop out the function block diagram that adds opening device for the present invention.
Fig. 4 adds the partial function block diagram of another preferred embodiment of opening device inside for the present invention.
1: Nonvolatile memory start additional card 10: flash memory
11:IDE bus interface 12: South Bridge chip group
13: floppy drive 14: CD-ROM drive
15: hard disk drive
2: the personal computer system 20: the South Bridge chip group
200:IDE bus 281: floppy drive
282: CD-ROM drive 201:IDE bus
21: add opening device 291: hard disk drive
292: hard disk drive 211: circuit carrier
212, the 213:IDE bus contact 214: microcontroller
210: Nonvolatile memory 22: telepilot
23: wireless signal receiver module 24: signaling channel
25: power supply control interface 40: share I DE bus
Cs1: the first core assembly sheet is selected signal wire cs2: the second core assembly sheet is selected signal wire
Cs3: the 3rd core assembly sheet is selected signal wire
Embodiment
Referring to Fig. 2, it was for adding opening device and be applied to block diagram on the personal computer system the present invention developing out, and this personal computer system 2 includes a South Bridge chip group 20, this South Bridge chip group 20 is extended two groups of IDE buses, wherein one group of IDE bus 200 is serially connected with a floppy drive 281 and CD-ROM drive 282, another group IDE bus 201 then is serially connected with and adds opening device 21 and at least one hard disk drive 291 (but certainly also the same another hard disk drive 292 that is connected in series again in the image pattern), can store one first operating system program code (for example, can be common Microsft Windows operating system) in this hard disk drive 291.The present invention develops and then stores one second an operating system program code (for example, can be common (SuSE) Linux OS) and a multimedia playing program code in the Nonvolatile memory that adds opening device 21 210 (such as being a flash memory module) that.As for the present invention is characterized in that adding opening device 21 can be subjected to an extraneous triggering of switching signal, selecting IDE bus 201 thus is to be connected to Nonvolatile memory 210, or is connected to hard disk drive 291.
Thus, when IDE bus 201 is connected to hard disk drive 291, this stored first operating system program code just can be sent to and carry out (for example entering in the Microsft Windows operating system) among this personal computer system 2 in this hard disk drive 291, at this moment, personal computer system 2 just enters in the operating system of a telotism, and hard disk drive 291 can run well with hard disk drive 292.But, when IDE bus 201 is controlled when being connected to Nonvolatile memory 210, this second operating system program code and multimedia playing program code stored in the Nonvolatile memory 210 just can be sent to execution among this personal computer system 2 (for example enter and carry out the multimedia video broadcast in the (SuSE) Linux OS), at this moment, it is less but still can carry out in the operating system that multimedia video plays that personal computer system 2 just enters occupying system resources, and hard disk drive 291 just can not turn round with hard disk drive 292, makes that the noise power consumption excessive with it that hard disk drive produced can effectively be suppressed.
Again referring to Fig. 3, it improves the built-in function block diagram that adds opening device 21 that the conventional means defective develops out for the present invention, it mainly utilizes a circuit carrier 211 (for example a circuit board or a housing) to come for the setting of associated inner circuit arrangement wherein, and the associated inner circuit arrangement consists predominantly of two IDE bus contact 212,213, wherein an IDE bus contact 212 is connected to this IDE bus 201, is connected and can further finish signal with South Bridge chip group 20.Be connected to hard disk drive 291 as for 213 of another IDE bus contact, microcontroller 214 then also is arranged on this circuit carrier 211 with the Nonvolatile memory 210 that foregoing is mentioned.Wherein microcontroller 214 is electrically connected on these IDE bus contact 212,213 and this Nonvolatile memory 210 between, microcontroller 214 main triggerings in response to the switching signal of sending into by the external world, and then switch to one second state by one first state, wherein this first state is with this IDE bus contact 212,213 finish signal connects, this the first operating system program code that stores in this hard disk drive 291 can be sent in this South Bridge chip group 20 with this IDE bus contact 212 by this microcontroller 214, and make this personal computer system 2 can carry out this first operating system program code.Be connected for this IDE bus contact 212 and this Nonvolatile memory 210 are finished signal as for this second state, this the second operating system program code and the multimedia playing program code that store on this Nonvolatile memory 210 can be sent in this South Bridge chip group 20 with this IDE bus contact 212 by this microcontroller 214, and make this personal computer system 2 can carry out this second operating system program code and multimedia playing program code.
Thus, under general normal operating condition (i.e. first state), microcontroller 214 makes IDE bus 201 be connected to hard disk drive 291, make this add opening device 21 as not existing, at this moment, personal computer system 2 just enters in the operating system of a telotism, and hard disk drive 291 all can run well with hard disk drive 292.But the user can produce this switching signal by a button (not shown), and makes microcontroller 214 enter second state.Under second state, microcontroller 214 just can make IDE bus 201 be connected to Nonvolatile memory 210, and stored this second operating system program code and multimedia playing program code just can be sent to execution among this personal computer system 2 (for example enter and carry out the multimedia video broadcast in the (SuSE) Linux OS) in the Nonvolatile memory 210, at this moment, personal computer system 2 just can not need enter in first operating system, but it is less but still can carry out in the operating system that multimedia video plays directly to enter occupying system resources, and hard disk drive 291 will can not turn round with hard disk drive 292, make that the noise power consumption excessive with it that hard disk drive produced can effectively be suppressed.
In addition, for finishing the control of audio-visual broadcast by remote control mode, the present invention is provided with a telepilot 22 (in for example audio-visual household electrical appliances common infrared remote controller or radio-frequency (RF) remote) and a wireless signal receiver module 23.Wireless signal receiver module 23 is electrically connected on this microcontroller 214, wherein this switching signal that it sends telepilot 22, after being received, this multimedia steering order or the instruction of this electric power starting be sent to this microcontroller 214, and microcontroller 214 just can convert this multimedia steering order to 2 receptible human interface's assembly instruction (Human Interface Device of personal computer system, HID), deliver in the South Bridge chip group 20 by a signaling channel 24 again, and then reach performed multimedia playing program on the control personal computer system 2.Thus, the just available household electrical appliances of being familiar with on ordinary days of user are controlled audio-visual broadcast on the personal computer system 2 with telepilot 22.And wherein signaling channel 24 can be the signaling channel of a PS/2 interface or the signaling channel of a USB (universal serial bus) (USB) interface is finished.As for then being converted to 2 receptible electric power starting signals of a personal computer system (for example ACPI Power On power supply signal) by microcontroller 214, the instruction of this electric power starting is sent among this personal computer system 2-power supply control interface 25 (advanced configuration and power interface (Advanced Configuration and Power Interface for example, be called for short ACPI)), and then allow the user directly open personal computer system 2 by telepilot 22.
Referring to Fig. 4, it adds the part function block diagram of another preferred embodiment of opening device 21 inside for this case again.It is mainly the pin count of saving microcontroller 214 and designs, therefore wherein only have one and share IDE bus 40, it is electrically connected between these IDE bus contact 212,213 and this Nonvolatile memory 210, microcontroller 214 then has three core assembly sheets and selects (chip select, cs) signal wire, wherein the first core assembly sheet selects signal wire cs1 to be electrically connected on this IDE bus contact 212, and the second core assembly sheet selects signal wire cs2 to be electrically connected on IDE bus contact 213, selects signal wire cs3 then to be electrically connected on this Nonvolatile memory 210 as for the 3rd core assembly sheet.And when selecting IDE buses 201 to move by personal computer system 2, this IDE bus contact 212 is connected to the first core assembly sheet of microcontroller 214 and selects just can transmit an activation signal (enable) on the signal wire cs1, and when this microcontroller 214 is in this first state, the first core assembly sheet is selected the signal wire cs1 and the second core assembly sheet to select signal wire cs2 to form and is electrically connected (being electrically connected but do not select signal wire cs3 to form with the 3rd core assembly sheet), so will make enable signal (enable) can be sent to IDE bus contact 213, the hard disk drive 291 that connects on it is run well with hard disk drive 292, and volatile ram 210 decommission.
But when microcontroller 214 switches to this second state by this first state, this first core assembly sheet is selected signal wire cs1 just to select signal wire cs3 to finish with the 3rd core assembly sheet and is electrically connected (being electrically connected but do not select signal wire cs3 to form with the second core assembly sheet), so will make enable signal (enable) can be sent to Nonvolatile memory 210, volatile ram 210 can be run well, but hard disk drive 291 and hard disk drive 292 are decommissioned.
The above is preferred embodiment of the present invention only, is not in order to limiting claim of the present invention, and all other do not break away from the equivalence of being finished under the disclosed spirit and change or modify, and all should be included in the appended patent claimed range.

Claims (11)

1. one kind adds opening device, is applied among the personal computer system, and this personal computer system includes one first data bus and a hard disk drive, stores one first operating system program code in this hard disk drive, and this adds opening device and comprises:
One second data bus connector can be engaged on this first data bus;
One the 3rd data bus connector can be connected with this hard disk drive;
One circuit carrier second is connected on it with the 3rd data bus connector for this;
One Nonvolatile memory is arranged on this circuit carrier, stores one second operating system program code on this Nonvolatile memory; And
One microcontroller, be arranged on this circuit carrier, be electrically connected on this second data bus connector, between the 3rd data bus connector and this Nonvolatile memory, this microcontroller is in response to a triggering of switching signal, and then switch to one second state by one first state, wherein this first state is connected for this second data bus connector and the 3rd data bus connector are finished signal, this first operating system program code of storing in this hard disk drive can be sent among this personal computer system by this microcontroller and this second data bus connector, and make this personal computer system can carry out this first operating system program code, be connected for this second data bus connector and this Nonvolatile memory are finished signal as for this second state, this second operating system program code of storing on this Nonvolatile memory can be sent among this personal computer system by this microcontroller and this second data bus connector, and make this personal computer system can carry out this second operating system program code.
2. the opening device that adds as claimed in claim 1 is characterized in that described data bus connector is the IDE bus contact.
3. the opening device that adds as claimed in claim 1 is characterized in that this circuit carrier is a circuit board.
4. the opening device that adds as claimed in claim 1 is characterised in that this Nonvolatile memory is a flash memory module.
5. the opening device that adds as claimed in claim 1, it is characterized in that this microcontroller also is connected to the PS/2 interface among this personal computer system, this microcontroller can send a multimedia steering order to this personal computer system by this PS/2 interface.
6. the opening device that adds as claimed in claim 1, it is characterized in that this microcontroller also is connected to the USB (universal serial bus) among this personal computer system, this microcontroller can send a multimedia steering order to this personal computer system by this USB (universal serial bus).
7. the opening device that adds as claimed in claim 1, it is characterized in that this microcontroller also is connected to the power supply control interface among this personal computer system, this microcontroller can send electric power starting instruction to this personal computer system by this power supply control interface.
8. as claim 5 or the 6 described opening devices that add, it is characterized in that this switching signal, this multimedia steering order can be sent by an audio-visual broadcast telepilot, and received and be forwarded to this personal computer system by this microcontroller.
9. the opening device that adds as claimed in claim 7 is characterized in that this switching signal, this electric power starting instruct and can be sent by an audio-visual broadcast telepilot, and is received and be forwarded to this personal computer system by this microcontroller.
10. the opening device that adds as claimed in claim 1 is characterized in that also comprising one and shares data bus, is electrically connected between this second data bus connector, the 3rd data bus connector and this Nonvolatile memory; And comprise in this microcontroller:
One first core assembly sheet is selected signal wire, is electrically connected on this second data bus connector, and the first core assembly sheet is selected to transmit on the signal wire an activation signal;
One second core assembly sheet is selected signal wire, be electrically connected on the 3rd data bus connector, when this microcontroller switched to this second state by this first state, this second core assembly sheet selected the signal wire and the first core assembly sheet to select to be electrically connected by being electrically connected not change between signal wire; And
One the 3rd core assembly sheet is selected signal wire, is electrically connected on this Nonvolatile memory, and when this microcontroller switched to this second state by this first state, the 3rd core assembly sheet selected the signal wire and the first core assembly sheet to select not change electrical connection into by being electrically connected between signal wire.
11. the opening device that adds as claimed in claim 1 it is characterized in that also storing a multimedia playing program code in the described Nonvolatile memory, and the data volume of this second operating system program code is less than the data volume of this first operating system program code.
CNB2004100313638A 2004-03-25 2004-03-25 External starter for pc system Expired - Fee Related CN1312581C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2004100313638A CN1312581C (en) 2004-03-25 2004-03-25 External starter for pc system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2004100313638A CN1312581C (en) 2004-03-25 2004-03-25 External starter for pc system

Publications (2)

Publication Number Publication Date
CN1564132A CN1564132A (en) 2005-01-12
CN1312581C true CN1312581C (en) 2007-04-25

Family

ID=34481257

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004100313638A Expired - Fee Related CN1312581C (en) 2004-03-25 2004-03-25 External starter for pc system

Country Status (1)

Country Link
CN (1) CN1312581C (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100401255C (en) * 2005-12-05 2008-07-09 英业达股份有限公司 Computer platform inlaid operation system switch-over processing method and system
CN201057556Y (en) * 2007-03-09 2008-05-07 戴晓兵 Personal computer capable of using plug type system hard disk
CN101751064B (en) * 2008-12-04 2012-09-05 艾讯股份有限公司 System and method for automatically controlling starting-up
CN101751102B (en) * 2008-12-22 2012-07-11 环旭电子股份有限公司 Starting-up signal generating device
TWI482090B (en) * 2011-09-07 2015-04-21 Wistron Corp System capable of booting through a universal serial bus device and method thereof
CN110554763A (en) * 2014-02-19 2019-12-10 联想(北京)有限公司 information processing method and electronic equipment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1381790A (en) * 2001-04-20 2002-11-27 仁宝电脑工业股份有限公司 Computer systme with dual operating systems
CN1437197A (en) * 2002-02-09 2003-08-20 联想(北京)有限公司 CD playback controller combined with computer and its control method
CN2593255Y (en) * 2002-05-16 2003-12-17 刘宏 Computer switching power source with dual harddisk drive switching device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1381790A (en) * 2001-04-20 2002-11-27 仁宝电脑工业股份有限公司 Computer systme with dual operating systems
CN1437197A (en) * 2002-02-09 2003-08-20 联想(北京)有限公司 CD playback controller combined with computer and its control method
CN2593255Y (en) * 2002-05-16 2003-12-17 刘宏 Computer switching power source with dual harddisk drive switching device

Also Published As

Publication number Publication date
CN1564132A (en) 2005-01-12

Similar Documents

Publication Publication Date Title
CN102483728B (en) Device-dependent selection between modes for asymmetric serial protocols
EP2821882B1 (en) Computer device and method for converting working mode of universal serial bus connector of the computer device
CN201041656Y (en) CMOS cleaning circuit
US20070239924A1 (en) Electronic device transmitting audio-and-video signals with USB connector
KR100686563B1 (en) Wireless mouse system containing a flash memory
JP2008097298A (en) Electronic equipment, connection equipment identification method for electronic equipment, and control system
KR100433397B1 (en) Card type device capable of being used in secondary battery and host for using the card type device
US20110126031A1 (en) Vehicle-mounted multimedia apparatus and a method of powering the same
CN1312581C (en) External starter for pc system
US5856789A (en) Power supply switching of a computer system by a remote controller
JP2007323630A (en) Memory card with serial interface for communication
US7979596B2 (en) Mouse with expandable memory capacity and an operating method thereof
US20190230728A1 (en) Wireless communication device and communication pairing method thereof
US20070276978A1 (en) Universal Serial Bus (USB) memory system and control method thereof
US6957082B2 (en) Electronic device having power saving function and extension unit
US11059429B1 (en) Car multimedia device with function for automatically switching between internal device control mode and external device control mode and car multimedia device control method
CN111522766B (en) Communication system, method, device, equipment and storage medium thereof
US20020084988A1 (en) Apparatus and method for automatically detecting USB mode and PS/2 mode computer keyboard
JP2011070261A (en) Information processing system, information processing device, relay device, connection wire, and program
EP1447735A2 (en) TV image conversion device for turning computer on or off by means of multimedia remote control
CN110569054B (en) Data processing method of remote control terminal, remote control terminal and storage medium
US8065452B1 (en) Multifunctional universal serial bus wireless keyboard
KR100759901B1 (en) Method and apparatus for common use of Universal Serial Bus in Set-Top-Box
KR100907301B1 (en) Wireless mouse system containing a flash memory
CN220110391U (en) Multi-terminal control game host conversion equipment and system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20070425

Termination date: 20210325