CN2638144Y - Computer with many kinds of work mode - Google Patents
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- CN2638144Y CN2638144Y CN 03268580 CN03268580U CN2638144Y CN 2638144 Y CN2638144 Y CN 2638144Y CN 03268580 CN03268580 CN 03268580 CN 03268580 U CN03268580 U CN 03268580U CN 2638144 Y CN2638144 Y CN 2638144Y
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Abstract
The utility model provides a computer with multiple work modes. The utility model is characterized in that a multifunctional control card which is composed of an SCM circuit, multiplex audio frequency conversion and phonic control circuits, a COM port, a remote control receiving circuit and a switch control circuit is arranged in a host computer of the utility model, and an auxiliary power supply of which the output standard is identical with that of a common ATX power supply is arranged in a computer power supply. A serial port RS232 on a CD-ROM driver is connected with the COM port on the multifunctional control card; a circuit of the auxiliary power supply can supply power to the CD-ROM driver and the multifunctional control card under a condition that the computer is not switched on. Thus, the computer can have three work modes of household appliance mode, information mode and computer mode; under the household appliance mode, a CD can be played without switching on the host computer of the utility model; under the information mode, the utility model can be directly and fast switched on to get on the Internet and play multimedia without accessing WINDOWS; under the computer mode, the utility model performs various functions of the existing computer.
Description
Technical field
The utility model is a kind of computing machine, is a kind of computing machine with multiple mode of operation specifically, belongs to computer equipment and makes the field.
Background technology
Said computing machine, be often referred to the computer system that adopts the X86 framework, great majority adopt DOS/WINDOWS operating system commonly used, also have the minority special application field to adopt LINUX/UNIX/NETWARE operating system, this computer costs is low, it is convenient to use, and uses threshold low, in global application quantity maximum, development along with the hardware and software technology, computing machine can be competent at a lot of work, except that office, commercial use, also has multiple information issue, collection and amusement function.
Existing computing machine in use all is first start, enters operating system (for example WINDOWS system) then, and various application software are installed, and the application software that operation is relevant realizes function corresponding, for example: the operation multimedia player, can listen to the music and see video disc; Operational network software can surf the Net inquiry, release news, the operation financial software can account, move office software and can draft official document etc.
But the operation of the operation of computing machine and ordinary appliances is different, especially there is bigger difference in the operation with normal domestic use electrical equipment, for example: when using video disc player to see video disc, as long as video disc is put into video disc player, its broadcast, stop, fall back, volume all is to realize by corresponding button on video disc player or the telepilot, need start earlier when seeing video disc and use a computer, enter operating system (for example WINDOWS system) then, the operation multimedia player, its broadcast, stop, fall back, volume all is to seek the option that needs to confirm to realize in the numerous menus of player.This operation is complicated and difficulty concerning the people who is unfamiliar with computing machine.When using computer internet, many consumers feel that into WINDOWS and browser are very complicated, and computing machine is not showing the same ease for use of household electrical appliances aspect the mutual fusion of household electrical appliances in a word.This has just hindered computing machine further deeply using in family.
Summary of the invention
The purpose of this utility model provides a kind of computing machine with multiple mode of operation, promptly integrates " tame power mode ", " information pattern " and " computer model " three kinds of functions.Under " the tame power mode " of computing machine, user and consumer can not enter the WINDOWS operating system of computing machine, even not opening computer power supply just can be as the operation with traditional household electrical appliances, by the button operation on register face or the telepilot, rather than operate by mouse or keyboard and computer screen and to realize the multimedia recreation function; Under " information pattern " of computing machine, user and consumer can not enter the WINDOWS operating system of computing machine, directly enter network software and realize starting fast online (surfing the Net less than 35 seconds from starting shooting to) and multimedia; Finish the various functions of present common computer under common " computer model ", the user can adopt telepilot to realize the startup and shutdown of computer, and utilizes telepilot to control computer.
The purpose of this utility model is achieved by the following technical solution:
A kind of computing machine with multiple mode of operation, comprise: computer power supply, mouse, keyboard, hard disk, display, computer motherboard, CD-ROM drive, it is characterized in that: have one to be core in the main frame, comprising: the multifunctional control circuit of single-chip microcomputer serial line interface, standard serial interface, multichannel voice frequency conversion and sound control circuit, ide interface built-up circuit, keyboard-coding circuit, switching signal and reset signal control circuit with the processor of single chip computer; One output specification and the identical accessory power supply of common ATX power supply arranged in the computer power supply;
In the computer power supply+5V standby voltage is connected to multifunctional control circuit; Accessory power supply+5V ,+the 12V output terminal is connected to the working power input port of multifunctional control circuit, also be connected to the working power input port of CD-ROM drive, the output control terminal of accessory power supply is connected to the switching signal in the multifunctional control circuit and the output terminal of reset signal control circuit, and the startup of computer motherboard and reset signal input port also are connected to the switching signal in the multifunctional control circuit and the output terminal of reset signal control circuit; The serial communication interface of computing machine is connected with standard serial interface in the multifunctional control circuit, and the serial communication interface of CD-ROM drive is connected with single-chip microcomputer serial line interface in the multifunctional control circuit; The IDE port of CD-ROM drive and the IDE port of computer motherboard are connected respectively to the ide interface built-up circuit in the multifunctional control circuit; The audio output CDOUT of CD-ROM drive and the audio output of computer sound card are connected respectively to the multichannel voice frequency conversion in the multifunctional control circuit and the audio input port of sound control circuit, and multichannel voice frequency conversion is connected with audio amplifier with the audio output port of sound control circuit; Operation push-button is connected with keyboard-coding circuit in the multifunctional control circuit, multichannel voice frequency conversion in the described multifunctional control circuit all is connected with processor of single chip computer with sound control circuit, ide interface built-up circuit, keyboard-coding circuit, switching signal and reset signal control circuit, single-chip microcomputer serial line interface, and the single-chip microcomputer serial line interface also is connected to standard serial interface by level translator.
Also have a remote-control receiving circuit that is used to receive the push button signalling of remote controller key coding and radiating circuit in the described multifunctional control circuit, this circuit is connected with processor of single chip computer.
The button of described operation push-button and remote controller key coding and radiating circuit comprises the mode of operation selector button: " tame power mode " button K2, " information pattern " button K3, " computer model " button K1 and medium control button: play, stop, F.F., rewind down, a last head, next, cartridge drum, loop play, to first head, arrive a last head etc.
Also have a LCD driving circuit to be connected with processor of single chip computer in the described multifunctional control circuit, the output of LCD driving circuit is connected with LCD display, this LCD display information such as time that display the play.
Also have a real time clock circuit and an IIC Serial E EROM circuit to be connected in the described multifunctional control circuit with processor of single chip computer.
Described operation push-button plate and LCD display are installed on the computer host box panel.
Described multifunctional control circuit is made the plug-in card form and is installed on main frame interior the PCI slot or other universal slots.
The utility model compared with prior art has many advantages and good effect:
The utility model is by installing multifunctional control circuit additional in main frame, appropriate change computer power supply and internal connection line again, make computing machine have multiple mode of operation, realized that main frame does not power on, do not enter operating system and just can carry out multimedia recreation on computers as the operation with traditional household electrical appliances, realized fast network access, broken through computed conventional conception, manipulated simpler, convenient, fast, saving, be convenient to popularize and popularization.
Description of drawings
Fig. 1 is a kind of circuit theory diagrams with computer-implemented example of multiple mode of operation of the utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
Referring to Fig. 1, a kind of computing machine with multiple mode of operation comprises: computer power supply 1, mouse 2, keyboard 3, floppy drive 4, hard disk 5, display 6, computer motherboard 7, CD-ROM drive (CD-ROM or DVD) 8, audio amplifier 10.Have one to be the multifunctional control circuit 9 of core in the main frame, the output specification accessory power supply (14) identical with common ATX power supply arranged in the computer power supply 1 with processor of single chip computer (9-9).Multifunctional control circuit 9 also comprises; Level translator 9-1, standard serial interface 9-2, multichannel voice frequency conversion and sound control circuit 9-3, ide interface switching and reset signal treatment circuit 9-4, LED display driver circuit 9-5, IIC Serial E EROM circuit 9-6, keyboard-coding circuit and 9-7, remote-control receiving circuit 9-8, switching signal and reset signal control circuit 9-10, real time clock circuit 9-11, single-chip microcomputer serial line interface 9-12, wherein, multichannel voice frequency conversion and sound control circuit 9-3, ide interface built-up circuit 9-4, LED display driver circuit 9-5, IIC Serial E EROM circuit 9-5, keyboard-coding circuit 9-7, remote-control receiving circuit 9-8, switching signal and reset signal control circuit 9-10, real time clock circuit 9-11 and single-chip microcomputer serial line interface 9-12 are connected with processor of single chip computer 9-9; Single-chip microcomputer serial line interface 9-12 is connected to standard serial interface 9-2 by level translator 9-1;
In the computer power supply 1+5V standby voltage is connected to multifunctional control circuit 9; Accessory power supply (14)+5V ,+the 12V output terminal is connected to the working power input port of multifunctional control circuit 9, also be connected to the working power input port of CD-ROM drive 8, the output control terminal of accessory power supply (14) is connected to the switching signal in the multifunctional control circuit 9 and the output terminal of reset signal control circuit (9-10), and the startup of computer motherboard 7 and reset signal input port also are connected to the switching signal in the multifunctional control circuit 9 and the output terminal of reset signal control circuit (9-10); The serial communication interface of computing machine is connected with standard serial interface (9-2) in the multifunctional control circuit 9, and the serial communication interface of CD-ROM drive 8 is connected with single-chip microcomputer serial line interface (9-12) in the multifunctional control circuit 9; The IDE port of CD-ROM drive 8 and the IDE port of computer motherboard are connected respectively to the ide interface built-up circuit (9-4) in the multifunctional control circuit 9; The audio output CDOUT of CD-ROM drive 8 and the audio output of computer sound card are connected respectively to the multichannel voice frequency conversion in the multifunctional control circuit 9 and the audio input port of sound control circuit (9-3), and multichannel voice frequency conversion is connected with audio amplifier with the audio output port of sound control circuit (9-3); The output of LCD driving circuit (9-5) is connected with LCD display 11, this LCD display 11 information such as time that display the play, operation push-button 12 is connected with keyboard-coding circuit (9-7) in the multifunctional control circuit 9, and remote-control receiving circuit (9-8) is used to receive the push button signalling of remote controller key coding and radiating circuit 13.
Described operation push-button 12 and remote controller key coding and radiating circuit 13 are installed on the computer host box panel, and their button comprises the mode of operation selector button: " tame power mode " button K2, " information pattern " button K3, " computer model " button K1 and medium control button: play, stop, F.F., rewind down, a last head, next, cartridge drum, loop play, to first head, arrive a last head etc.Operation push-button plate 12 and LCD display 11.
Multifunctional control circuit 9 is made the plug-in card form and is installed on main frame interior the PCI slot or other universal slots.
In the present embodiment, hard disk meets the ATA-5 code requirement, the hard disk and the following hard disk of main flow are all supported this Data Transport Protocol at present, belong to general computer fittings, main flow HD vendors such as MAXTOR, SEGATE, WD, IBM produce in enormous quantities, and capacity has plurality of specifications such as 40GB, 60GB, 80GB, 120GB, 160GB; The hard disk that will meet the S-ATA standard future also satisfies the requirement of present embodiment.
Mainboard 7 meets ATX/MICRO-ATX/FLEX-ATX, or the mainboard that meets ATX electrical equipment specification of specific customization all meets this programme requirement, these mainboards all have preposition audio frequency and USB interface, if do not have audio interface, output of the audio frequency of sound card and MIC signal on the mainboard can adopt external tone frequency channel wire to be connected with multifunctional control circuit 9 so.At present all OEM mainboards all have preposition audio frequency and USB interface, so the special tone frequency channel wire that the audio frequency output of sound card can be by cabinet inside on the mainboard is connected to audio input end on the multi-functional control card 9 by preposition audio interface; The purpose of this connectivity scenario is to make the voice signal of sound card can be input to the multichannel voice frequency switching and the sound control circuit 9-3 of multi-functional control card 9 by outside or inner line, after the processing through the multi-functional control card, audio output interface by the multi-functional control card is connected on outside sound device-audio amplifier 10, thereby makes the sound that obtains sound card on the mainboard in the audio amplifier.
Computer power supply 1 meets the ATX-2.03 requirement, can support the power requirement of present INTEL P4 processor main board.This power supply special character is: increased aforesaid one road auxiliary power circuit 14, after host power supply was closed, accessory power supply 14 can be finished the power supply to CD-ROM drive separately.The CD-ROM special character is in the present embodiment: increased a RS232 serial line interface than common CD-ROM, the function of this interface all has in the primary controller of most of CD-ROM, as long as revise PCB a little, this interface is drawn, and increase serial-port communication agreement gets final product in the watchdog routine of CD-ROM, this CD-ROM just can receive the order that processor of single chip computer sends by serial port like this, for example plays, stops, the state of volume, selected songs, loopback CD-ROM etc.Because this serial line interface adopts the TTL/CMOS level usually, therefore can be directly be connected with serial port (or the IO mouth) 9-12 of single-chip microcomputer on the multi-functional control card 9, the centre does not need to increase level converter circuit, helps reducing cost.
Multi-functional control card 9 is by a serial line interface and mainboard communication, and this serial line interface need increase a level translator (for example MAX232A, ICL232 etc.), realizes that TTL/CMOS is to the mutual conversion between the standard RS232.
On multi-functional control card 9 in the Single-chip Controlling software, adopt the mode of calling the roll respectively with CD-ROM and mainboard communication, have only by the equipment in the point could with multi-functional control cartoon news, this agreement adopts the 9600BPS transfer rate.Communication process is summarized as follows:
Multi-functional control card 9 must comprise a special information number (hereinafter referred to as control head information) with the communication information front of CD-ROM, if this control head information is 00, if the control head information that CD-ROM receives is 00, think that then this information flow issues oneself, and accept this information flow, according to difference, carry out different actions according to the information flow content, and return corresponding information and give controller, the control head that returns multi-functional control card 9 equally also must be 00.
The Communication Control header of multi-functional control card and mainboard is made as FF, if send information to mainboard, then must start with FF, and mainboard sends information to the multi-functional control card and also must start with FF.
The concrete course of work of present embodiment is as follows:
At holding state, the single chip circuit on computer motherboard and the multi-functional control card is all by 5V standby power voltage supply, so that wait power-on command at any time.
The user at first selects mode of operation on computer panel or telepilot, tame power mode, information pattern or computer model.
On clicking register face or telepilot during button K2, just selected " tame power mode ", after processor of single chip computer 9-9 in the multi-functional control card 9 receives this button K2 signal by keyboard-coding circuit 9-7, send the output control terminal that signal is given accessory power supply 14 from switching signal and reset signal control circuit 9-10, make accessory power supply output+12V ,+5V is connected to CD-ROM and multi-functional control card, and computer motherboard does not have the working power power supply, be in closed condition, without any response message, the enabling signal of computing machine is in closed condition.Multi-functional control card 9 is only controlled the work of CD-ROM by single-chip microcomputer serial line interface 9-12, under this pattern, voice signal among the CD-ROM is changed and sound control circuit 9-3 by the multichannel voice frequency that analogue audio frequency output (CDOUT) mouth is input on the multi-functional control card 9, output to audio amplifier 10 from audio output interface after treatment, and various control signals are to be sent according to 12 signals of the operation push-button on telepilot 13 or the register face by the processor of single chip computer 9-9 on the multi-functional control card 9, therefore can realize the broadcast of CD by the operation push-button on selection telepilot or the register face, stop, the progress of controls playing, and the information and the time that can display the play by the LCD display on the register face, owing to have real time clock circuit 9-11 on the multi-functional control card 9, therefore can setting-up time, play the CD CD of having put in the predetermined moment, reach the function that reservation is play.This has just realized not under the open state (be the routine configuration of computing machine: mainboard, hard disk, floppy drive, computer keyboard, mouse, display are not worked), more need not entering the amusement function of operation system of computer with regard to play CD at computing machine.
On clicking register face or telepilot when information household appliances button K3 or common computer button K1, just selected " information pattern " or " computer model ", processor of single chip computer 9-9 in the multi-functional control card 9 receives this button K3 by keyboard-coding circuit 9-7, behind the K1 signal, send starting-up signal to main frame from switching signal and reset signal control circuit 9-10, computing machine enter power-on self-test (POST) the unloading phase, after BIOS finishes power-on self-test POST, the code that needs operation to increase, this method that increases code also is the invention part of this patent, its major function is by standard serial mouth 9-2, level translator 9-1, serial port of single chip computer 9-12 sends a command string to the processor of single chip computer 9-9 of multi-functional control card 9, for example 01 02 03 04, after processor of single chip computer 9-9 receives, loopback 01 02 03 04 K3 or K1 key (establish the K3 key here and be defined as 0A, the K1 key is defined as 0B) finish with 00 at last.After mainboard receives this key code information, pass to the different parameter of MBR on the hard disk (main boot partition) according to the different key code signal that receives, (K3 enters the operating system in the HPA zone of hard disk to make program enter different fdisks, K1 enters the operating system of normal subregion), move different operating system.
If what mainboard received is the K3 key code information, then enter the HPA zone of hard disk, what installed in this zone is Embedded LINUX operating system, this operating system has only kept recreational modules commonly used such as web browser, multimedia, photo are browsed, notepad, what therefore system did is very little, and code is simplified, and is reliable, can finish functions such as online, multimedia, and can control by telepilot.The characteristics of this mode are to start fast, and system stability can shut down at any time, have so just reached the purpose of quick startup online.
If mainboard receives is the K1 key code information then starts the FAT subregion that MBR points to hard disk, WINDOWS operating system is installed on this subregion, then start the common computer pattern that enters from WINDOWS.
Software of the present utility model mainly comprises the two large divisions:
The one, the modification of the modification of computer BIOS code section and hard disk MBR (master boot sector) program code, the WINDOWS driver of multi-functional control card and LINUX driver are on its major function is seen.
The 2nd, the Control Software of multi-functional control card 9, this part software is finished following function: with the communication of CD-ROM, general mainboard; Finish operation control to CD-ROM; Accept the order that mainboard sends, the key of loopback appointment; The input command of receiving computer panel or telepilot; Finish decoding and the corresponding order of execution to telepilot; Finish the read-write control of real-time clock; Finish corresponding output according to above-mentioned information, comprise starting-up signal output, the output of reporting to the police, regularly start the play CD CD, will the time and relevant information be presented on the LCD display on the register face.
Claims (9)
1, a kind of computing machine with multiple mode of operation, comprise: computer power supply (1), mouse (2), keyboard (3), hard disk (5), display (6), computer motherboard (7), CD-ROM drive (8) is characterized in that: have one to be core, to comprise with processor of single chip computer (9-9) in the main frame; The multifunctional control circuit (9) of single-chip microcomputer serial line interface (9-12), standard serial interface (9-2), multichannel voice frequency conversion and sound control circuit (9-3), ide interface built-up circuit (9-4), keyboard-coding circuit (9-7), switching signal and reset signal control circuit (9-10), the one output specification accessory power supply (14) identical with common ATX power supply arranged in the computer power supply (1), in the computer power supply (1)+5V standby voltage is connected to multifunctional control circuit (9); Accessory power supply (14)+5V ,+the 12V output terminal is connected to the working power input port of multifunctional control circuit (9), also be connected to the working power input port of CD-ROM drive (8), the output control terminal of accessory power supply (14) is connected to the switching signal in the multifunctional control circuit (9) and the output terminal of reset signal control circuit (9-10), and the start of computer motherboard (7) and reset signal input port also are connected to the switching signal in the multifunctional control circuit (9) and the output terminal of reset signal control circuit (9-10); The serial communication interface of computing machine is connected with standard serial interface (9-2) in the multifunctional control circuit (9), and the serial communication interface of CD-ROM drive (8) is connected with single-chip microcomputer serial line interface (9-12) in the multifunctional control circuit (9); The IDE port of the IDE port of CD-ROM drive (8) and computer motherboard (7) is connected respectively to the ide interface built-up circuit (9-4) in the multifunctional control circuit (9); The audio output CDOUT of CD-ROM drive (8) and the audio output of computer sound card are connected respectively to the multichannel voice frequency conversion in the multifunctional control circuit (9) and the audio input port of sound control circuit (9-3), and multichannel voice frequency conversion is connected with audio amplifier (10) with the audio output port of sound control circuit (9-3); Operation push-button (12) is connected with keyboard-coding circuit (9-7) in the multifunctional control circuit (9), multichannel voice frequency conversion in the described multifunctional control circuit (9) all is connected with processor of single chip computer (9-9) with sound control circuit (9-3), ide interface built-up circuit (9-4), keyboard-coding circuit (9-7), switching signal and reset signal control circuit (9-10), single-chip microcomputer serial line interface (9-12), and single-chip microcomputer serial line interface (9-12) also is connected to standard serial interface (9-2) by level translator (9-1).
2, according to the described computing machine of claim 1, it is characterized in that: also have a remote-control receiving circuit (9-8) that is used to receive the push button signalling of remote controller key coding and radiating circuit (13) to be connected in the described multifunctional control circuit (9) with processor of single chip computer (9-9) with multiple mode of operation.
3, according to claim 1 or 2 described computing machines with multiple mode of operation, it is characterized in that: the button of described operation push-button (12) and remote controller key coding and radiating circuit (13) comprises the mode of operation selector button: " tame power mode " button K2, " information pattern " button K3, " computer model " button K1 and medium control button: play, stop, F.F., rewind down, a last head, next, cartridge drum, loop play, to first head, arrive a last head etc.
4, according to the described computing machine of claim 3 with multiple mode of operation, it is characterized in that: also have a LCD driving circuit (9-5) to be connected in the described multifunctional control circuit (9) with processor of single chip computer (9-9), the output of LCD driving circuit (9-5) is connected with LCD display (11), this LCD display (11) information such as time that display the play.
5, according to the described computing machine of claim 4, it is characterized in that: also have a real time clock circuit (9-11) and IIC Serial E EROM circuit (9-6) to be connected in the described multifunctional control circuit (9) with processor of single chip computer (9-9) with multiple mode of operation.
6, according to claim 1 or 2 described computing machines with multiple mode of operation, it is characterized in that: described operation push-button plate (12) and LCD display (11) are installed on the computer host box panel.
7, according to the described computing machine with multiple mode of operation of claim 5, it is characterized in that: described operation push-button plate (12) and LCD display (11) are installed on the computer host box panel.
8, according to claim 1 or 2 described a kind of computing machines with multiple mode of operation, it is characterized in that: described multifunctional control circuit (9) is made the plug-in card form and is installed on main frame interior the PCI slot or other universal slots.
9, according to the described computing machine with multiple mode of operation of claim 7, it is characterized in that: described multifunctional control circuit (9) is made the plug-in card form and is installed on main frame interior the PCI slot or other universal slots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03268580 CN2638144Y (en) | 2003-06-30 | 2003-06-30 | Computer with many kinds of work mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03268580 CN2638144Y (en) | 2003-06-30 | 2003-06-30 | Computer with many kinds of work mode |
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| Publication Number | Publication Date |
|---|---|
| CN2638144Y true CN2638144Y (en) | 2004-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03268580 Expired - Fee Related CN2638144Y (en) | 2003-06-30 | 2003-06-30 | Computer with many kinds of work mode |
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| CN (1) | CN2638144Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI403921B (en) * | 2009-08-17 | 2013-08-01 | Acer Inc | Method for determining operating mode and computer system |
| CN104461370A (en) * | 2006-08-21 | 2015-03-25 | 威盛电子股份有限公司 | Computer system and processor having integrated phone functionality |
| CN107370853A (en) * | 2017-09-19 | 2017-11-21 | 王文戈 | A kind of novel mobile phone voice control system |
-
2003
- 2003-06-30 CN CN 03268580 patent/CN2638144Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104461370A (en) * | 2006-08-21 | 2015-03-25 | 威盛电子股份有限公司 | Computer system and processor having integrated phone functionality |
| TWI403921B (en) * | 2009-08-17 | 2013-08-01 | Acer Inc | Method for determining operating mode and computer system |
| CN107370853A (en) * | 2017-09-19 | 2017-11-21 | 王文戈 | A kind of novel mobile phone voice control system |
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| CF01 | Termination of patent right due to non-payment of annual fee |