CN1527201A - Computer system capable of executing reserved work items and the method thereof - Google Patents
Computer system capable of executing reserved work items and the method thereof Download PDFInfo
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- CN1527201A CN1527201A CNA031600298A CN03160029A CN1527201A CN 1527201 A CN1527201 A CN 1527201A CN A031600298 A CNA031600298 A CN A031600298A CN 03160029 A CN03160029 A CN 03160029A CN 1527201 A CN1527201 A CN 1527201A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The present invention discloses computer system and method capable of executing reserved work items. The computer system has one reservation setter, and the reservation setter includes at least one electronic timer to generate time data, one memory for storing reservation time and work item and one detection controller to compare the time data and the reservation time. When the computer system is in off state in the reserved time, the detection controller simulates one power-on command to control the power supply switch to activate the power supply to complete the power-on program. After finishing the reserved work item, the detection controller simulates one power-off command to control the power supply switch to turn off the power supply to complete the power-off program until the next reserved time. The present invention can save power and avoid computer system fault owing to long term ready.
Description
Technical field
The present invention relates to a kind of computer system, particularly a kind of computer system capable of executing reserved work items and the method thereof.
Background technology
Utilize computer system to come the assist process affairs to become the indispensable ordinary skill of modern people, and in order to allow computer system performance maximum efficiency, but some booking work projects and the computer system carried out smoothly all are the ultimate attainment target that the computing machine user is pursued for a long time.
Press, generally commonly use the computer system that to carry out booking work and carry out schematic flow sheet, shown in Fig. 1 and Fig. 2 figure, power switching device 11 in the computer system 10 will be accepted the start-up command that an instruction signal input media (as power button switch) 21 is imported, and control primary power feeding mechanism 13 is to provide the primary power energy to the CPU (central processing unit) (CPU) 15 in the computer system 10, primary memory 18, hard disk 17, main electronic timer 19,16 uses of extraneous signal processor, to finish general normal boot-strap program.
When desiring the booking work project, for example (alarm clock), data transmission are called out in pre-recorded television programme, sweep-drug, start, and the user can set a booking work data that includes a subscription time and a corresponding booking work project earlier, as step 201.Then, whether computer system 10 desires to enter the pattern of dozing off (Doze), standby mode (Stand By) or time-out/sleep pattern (Hibernation/Suspend with the detection computations machine; Battery saving mode)? as step 202, if not, then carry out step 212, continue other job of object computer.Otherwise, if computer system 10 truly will enter sleep pattern, then will be stored in system documentation in hard disk 17 or the primary memory 18, and reduce the CPU15 running speed, and only have this moment main electronic timer 19, CPU15 and CMOS using power supply, therefore can significantly reduce the electrical source consumption of computer system 10, and meet the requirement of environmental protection computing machine, as step 203.Can computer system 10 continue to monitor the instruction signal input media 21 that includes a mouse, rocking bar, keyboard, power button switch or extraneous input media and activate during sleep pattern? as step 204.If instruction signal input media 21 is judged activation, the i.e. activation system data immediately of computer system 10 then, and return to mode of operation originally, as step 214, and this moment can other job of object computer (as step 212).
Can whether computer system 10 continue the previous subscription time of monitoring and arrive? as step 205.If arrive subscription time, then also with activation system, and return to mode of operation originally, as step 206.And carry out the booking work project preengage, for example by extraneous signal processor 16 to receive the programme channel data that extraneous signal I/O device 26 is imported, as step 207.Treat the booking work project finish after or when having reached the subscription time terminal point, whether directly computer system 10 can be according to the setting of operating system with decision shutdown, also or be back to sleep pattern, as step 208.
Can reach the function of carrying out booking work though commonly use computer system 10, only, it has following defective:
Even 1, computer system has entered the sleep pattern of power saving, but is not the off-mode that belongs to real, power supply energy unnecessary consumption problem is not only still arranged, and can't reach the ultimate attainment requirement of environmental protection computing machine, and also impair the serviceable life of other assembly.
2, the booking work executive routine of computer system needs to use according to each operating system collocation, occur in easily enter sleep pattern or repeatedly pass in and out sleep pattern after, operating system situation incompatible or that can't open again when machine.
Therefore and be not suitable for and once set a plurality of different subscription times 3, after computer system is selected shutdown carrying out a booking work project, and can't finish next booking work project in next subscription time again.
Summary of the invention
The purpose of this invention is to provide a kind of computer system and method thereof of carrying out booking work, not only can conveniently preengage and desire the execution work project, can reach the requirement of real environmental protection computing machine again and the meaningless loss of significantly saving power supply energy.
The present invention can be in the real shutdown of computer system and after subscription time arrives, utilize book setting device control power switching device to activate, and with normal boot-strap pattern unlatching computing machine, and after the default job of execution is finished, but normal shutdown arrives to wait for subscription time next time again, by this significantly to save meaningless power supply energy consumption.
Computer system of the present invention all is in off-mode before the stand-by appointment time arrives, CPU can't really turn round, and therefore can effectively prolong the serviceable life of CPU.
The present invention utilizes a book setting device to assign shutdown and start-up command with emulation, and causes computer system really to carry out shutdown or boot program according to this, therefore, can not have the phenomenon of the incompatible or computer down of computer operating system.
The present invention can utilize a book setting device to assign shutdown and start-up command with emulation, and cause computer system really to carry out shutdown or boot program according to this, after a booking work is complete, can shut down in advance, and wait for the arrival of next subscription time and start shooting, therefore, applicable to once setting a plurality of different subscription times and booking work project, to enlarge its usable range.
For reaching above-mentioned purpose, therefore, in a preferred embodiment of the present invention, its computer system is mainly constructed and included: whether a power switching device provides a primary power to use at least one constituent components of computer system in order to control a primary power feeding mechanism; One book setting device, the electric connection of power supply derailing switch, it includes second electronic timer that can produce a time data at least, one can store the second memory of a booking work data, one can be electrically connected on the detection controller of second electronic timer and second memory, a second source feeding mechanism that can provide a second source energy to use to second electronic timer, second memory and detection controller is provided, wherein detect controller and detect and comparison time data and booking work data, and whether activate with the control power switching device according to comparison result.
In addition, for reaching above-mentioned purpose, in another embodiment of the present invention, computer system comprises: whether a power switching device can provide at least one CPU (central processing unit) of a primary power to computer system, hard disk, primary memory and image signal receiver to use in order to control a primary power feeding mechanism; An and book setting device, the electric connection of power supply derailing switch, it comprises that at least one can produce second electronic timer of a time data, one can store the second memory of at least one pre-record time and pre-recorded television programme channel, one can be electrically connected on the detection controller of second electronic timer and second memory, reaching one provides a second source energy to second electronic timer, the second source feeding mechanism that second memory and detection controller use, detect wherein that controller detects and comparison time data and pre-recording the time, and whether activate the pre-recorded television programme channel data that the image signal receiver is received that stores according to comparison result control power switching device.
In addition, for reaching above-mentioned purpose, in further embodiment of this invention, the key step of its computer implemented method comprises: utilize one to be located at the booking work data that the interior book setting device of a computer system includes at least one subscription time and at least one booking work project; Judge whether subscription time expires; Control a power switching device Auto Power On by the book setting device; And execution booking work project.
In addition, for reaching above-mentioned purpose, in further embodiment of this invention, the key step of its computer implemented method comprises: utilize one to be located at the booking work data that the interior book setting device of a computer system includes at least one subscription time and at least one pre-recorded television programme channel; Judge whether subscription time expires; Control a power switching device Auto Power On by the book setting device; Reach the data that the pre-recorded television programme channel is transmitted that stores.
The present invention is described in detail with instantiation below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is a section construction block schematic diagram of commonly using computer system;
Fig. 2 commonly uses the schematic flow sheet of computer system when carrying out booking work;
Fig. 3 is the section construction block schematic diagram that department of computer science of the present invention unifies preferred embodiment; And
Fig. 4 is the schematic flow sheet of computer system of the present invention when carrying out booking work.
Description of reference numerals: 10 computer systems; 11 power switching devices; 13 primary power feeding mechanisms; 15 CPU (central processing unit); 16 extraneous signal processor; 17 hard disks, 18 primary memorys; 19 main electronic timers; 21 instruction signal input medias; 26 extraneous signal I/O devices; 30 computer systems; 31 power switching devices; 33 primary power feeding mechanisms; 35 CPU (central processing unit); 36 extraneous signal processor; 37 hard disks; 38 primary memorys; 39 main electronic timers; 40 book setting devices; 41 detect controller; 43 second source feeding mechanisms; 45 second electron chronometers, 47 second memories; 51 instruction signal input medias; 53 first circuits; 54 second circuits; 56 extraneous signal I/O devices.
Embodiment
Fig. 3 is the structure block schematic diagram that department of computer science of the present invention unifies preferred embodiment; As shown in the figure, computer system 30 of the present invention includes an instruction signal input media 51, power switching device 31, primary power feeding mechanism 33, CPU (central processing unit) 35, primary memory 38, hard disk 37, main electronic timer 39, extraneous signal processor (image signal receiver or modulator-demodular unit modem) 36 and waits other assembly, and it mainly is to be provided with a book setting device 40 that is electrically connected with power switching device 31.Comprise in the book setting device 40 that second memory 47, that second electronic timer 45, that can produce a time data can store the booking work data that includes at least one subscription time and corresponding booking work project can be electrically connected on the detection controller 41 of second electronic timer 45 and second memory 47, and one can provide a second source energy to second electronic timer 45, second memory 47 and detect the second source feeding mechanism 43 that controller 41 uses.
Detect and judge time data that second electronic timer 45 produced when identical when detecting controller 41 with subscription time, then can produce a start-up command activates with control power switching device 31, and cause primary power feeding mechanism 33 to begin to provide a primary power energy to use to other assemblies in the computer system 30, continue and carry out the booking work project.Otherwise, after computer system 30 is finished the booking work project or when having reached the subscription time terminal point, detect controller 41 and can produce a shutdown command again and activate once more, to finish shutdown programm with notice power switching device 31.
Book setting device 40 of the present invention mainly can produce the start or the shutdown command of an emulation, and the transmission and control power switching device 31 whether activate, with the program of really starting shooting or shutting down as computer system 30.
In this embodiment, book setting device 40 also can be electrically connected on the instruction signal input media 51 that can be a mouse, keyboard, rocking bar, power button switch or extraneous input media (as modem) via one second circuit 51, in other words, book setting device 40 is between instruction signal input media 51 and power switching device 31, and whether all starts or shutdown command all need to activate with control power switching device 31 by book setting device 40.
And in another embodiment, instruction signal input media 51 can be electrically connected with power switching device 31 via one first circuit 53, but it directly is not connected with book setting device 40, when power switching device 31 receives the start of instruction signal input media 51 or shut down the requirement instruction, can notify the book setting device information that 40 computing machines have been started shooting or shut down.
Fig. 4 is the schematic flow sheet of the present invention when carrying out the booking work project; As shown in the figure, and consult the 3rd figure, the computer implemented method that the present invention carries out booking work mainly includes following steps:
Step 401, if the user is when having booking work to need, it can utilize computer system 30 setting the booking work data, this booking work data can include at least one subscription time and with the corresponding at least one booking work project of subscription time.
Does step 402 judge that computer system 30 will carry out shutdown programm? if then carry out step 403; If not, then continue as open state, and carry out step 412.
Step 412, computer system 30 is an open state, continues object computer second job (other job), assigns to wait for shutdown command, as step 412.In this embodiment, second job is the pattern of dozing off (Doze), standby mode (Stand By) or time-outs/sleep pattern (Hibernation/Suspend) also, and it acts on generally to commonly use computer system identical.
Step 403, computer system 30 has been assigned shutdown command, and with the booking work data storage in primary memory 38, hard disk 37 or second memory 47, afterwards, can carry out and real shutdown according to general shutdown programm.In the present invention, above-mentioned shutdown command also can be sleep pattern through a special time after directly conversion and getting.
Step 404, computer system 30 has been in complete off-mode, will the detection controller 41 of book setting device 40 continue to detect the instruction that instruction signal input media 51 has the requirement start during this shutdown? if carry out step 414; If not, then carry out step 405.
Step 405 detects controller 41 during computer system 30 shutdown, and whether do both meet also will to continue to detect time data that second electronic timer 45 produced and the subscription time that had before set? if then represent subscription time to arrive; If not, then continue to detect.
Step 406, represent subscription time to arrive, and this moment, computer system 30 still was in off-mode, and instruction signal input media 51 does not have directly assigns start-up command, therefore, the detection controller 41 of book setting device 40 activates emulation one start-up command with notice power switching device 31, and and then control primary power feeding mechanism 33 begin to provide power supply energy to use to other assembly of computer system 30, to finish the computer booting program.
Step 407, computer system 30 has been started shooting, therefore can carry out booking work project, for example can give an extraneous signal I/O device 56 with reception or transmission data via extraneous signal processor 36 as pre-recorded television programme, sweep-drug, start calling or data transmission.
Step 408, after waiting to finish the action of booking work project, or when having arrived Preset Time, can book setting device 40 or computer system 30 judge whether to keep open state according to set or wait with length interval time of subscription time next time constantly at present in advance? if not, then get back to the shutdown programm of step 403, and can wait for next time subscription time or start-up command.If then continue execution in step 409.
Step 409 because computer system 30 is select to keep open state, can be doze off pattern, standby mode or a time-out/sleep pattern, therefore, continue to monitor and judge whether to arrive subscription time next time? if then carry out step 407.
Step 414, represent the subscription time no show before, the existing start-up command requirements of instruction signal input media 51 so computer system 30 is directly carried out boot program, and after finishing computer booting, are carried out step 412 and step 415 respectively.
Step 415, detect controller 41 during computer system 30 starts, whether do both meet also will to continue to detect time data that second electronic timer 45 produced and the subscription time that had before set? if, then represent subscription time to arrive, carry out step 416; If not, then continue to detect.
Step 416, computer system 30 have arrived subscription time under open state, inquire that the computing machine user proceeds to carry out the booking work project? if carry out step 407; If not, then carry out step 412.
Because the present invention is before the subscription time no show, carries out real shutdown programm, therefore, can significantly reduces the meaningless power supply waste of computer system standby mode or sleep pattern, and then can prolong the serviceable life of assembly.Again, when subscription time arrives, carry out real boot program again, therefore, under normal boot-strap and shutdown action, can't collide, so also take place with regard to it doesn't matter system compatible or when the problem of machine with a plurality of operating systems of computer system.Again, the present invention can repeatedly shut down or start shooting, and therefore, can once promptly set a plurality of subscription times and booking work project, and effectively enlarge its scope of application.
In addition, in further embodiment of this invention, it is applicable to the pre-recorded television programme channel functions, it mainly is in the foregoing description execution in step, at first be to be set with at least one program channel data (as step 401) of pre-recording, and after subscription time arrives, finish general normal boot-strap program (as step 406), then, via extraneous signal receiver 36 (as the image signal receiver) and extraneous signal I/O device 56 (as wired television line) with selective reception, the desire recording TV program channel that stores or record this reservation period is in hard disk 37, in primary memory 38 or the CD sheet (as step 407).And in program channel record finish after, to select whether directly shutdown or to keep starting shooting to wait for the time of next prerecording program.
Certainly, in different embodiments of the invention, the second memory 47 of its book setting device 40 also can be designed to be same assembly with primary memory 38.Again, second electronic timer 45 also can be designed to be same structure with the main electronic timer 39 of computer system 30, therefore, detect controller 41 and will continue to detect the time data that main electronic timer 39 is produced.Again, second source feeding mechanism 40 can be designed to also be same device with primary power feeding mechanism 33 that in other words, the power supply supply of book setting device 40 is provided by primary power feeding mechanism 33.Again, but second source feeding mechanism 40 also can be designed to a removable battery or rechargeable battery.
In sum, when knowing that the present invention is a kind of computer system, especially refer to a kind of computer system capable of executing reserved work items and the method thereof, not only can significantly save power supply energy to meet the requirement of environmental protection computing machine, can exempt computer system easy generation systems under long-term standby again and work as the embarrassed look of machine.
The above only is a preferred embodiment of the present invention, is not to be used for limiting scope of the invention process, and all equalizations of doing according to the described shape of claim of the present invention, structure, feature and spirit change and modify, and all should be included in protection scope of the present invention.
Claims (11)
1, a kind of computer system of carrying out booking work comprises:
Whether one power switching device provides a primary power to use at least one constituent components of this computer system in order to control a primary power feeding mechanism; And
One book setting device, be electrically connected on this power switching device, it includes second electronic timer of a generation one time data at least, one can store the second memory of a booking work data, one can be electrically connected on the detection controller of this second electronic timer and this second memory, reaching one provides a second source energy to this second electronic timer, the second source feeding mechanism that second memory and detection controller use, whether wherein this detection controller detects and compares this time data and this booking work data, and control this power switching device according to comparison result and activate.
2, computer system as claimed in claim 1, wherein this detection controller is electrically connected an instruction signal input media, and this instruction signal input media is one of mouse, keyboard, rocking bar, power button switch, extraneous input media and combination thereof.
3, computer system as claimed in claim 1, wherein this constituent components is one of CPU (central processing unit), hard disk, primary memory, main electron chronometer, extraneous signal processor and combination thereof, wherein this second memory and this primary memory are one, this second electron chronometer and this main electronic timer are one, and this second source feeding mechanism and this primary power feeding mechanism are one, and should external world's signal processor be one of image signal receiver, modulator-demodular unit and combination thereof.
4, computer system as claimed in claim 1, wherein this booking work data comprises at least one subscription time, reaches and the corresponding booking work project of this subscription time, and this booking work project is one of pre-recorded television programme, sweep-drug, start calling, data transmission and combination thereof.
5, computer system as claimed in claim 1, whether wherein this second memory stores a switch data, can control this power switching device according to this booking work data and activate.
6, a kind of computer system of carrying out pre-recorded television programme comprises:
Whether one power switching device provides at least one CPU (central processing unit) of a primary power to this computer system, hard disk, primary memory and image signal receiver to use in order to control a primary power feeding mechanism; And
One book setting device, be electrically connected on this power switching device, it comprises that at least one produces second electronic timer of a time data, one can store the second memory of at least one pre-record time and pre-recorded television programme channel, one can be electrically connected on the detection controller of this second electronic timer and this second memory, reaching one can provide a second source to this second electronic timer, the second source feeding mechanism that second memory and detection controller use, wherein this detection controller detects and compares this time data and pre-record the time, and whether activates this pre-recorded television programme channel data that this image signal receiver is received that stores according to comparison result control power switching device.
7, a kind of computer implemented method of carrying out booking work may further comprise the steps:
Utilize one to be located at the booking work data that the interior book setting device of a computer system comprises at least one subscription time and at least one booking work project;
Judge whether this subscription time expires;
Control a power switching device Auto Power On by this book setting device; And
Carry out this booking work project.
8, computer implemented method as claimed in claim 7 also comprises the following steps:
Utilizing this book setting device to control this power switching device shuts down automatically;
Detect an instruction signal input media and whether activate, if then this computer system is selected to carry out one second job, store one of this booking work project and combination thereof; And
After this booking work project of execution is finished, read next subscription time, and foundation selects to keep start and shutdown one of them apart from the time length of this next one subscription time.
9, computer implemented method as claimed in claim 7, wherein this book setting device is electrically connected on this power switching device, it includes second electronic timer that can produce a time data at least, one can store the second memory of this booking work data, one is electrically connected on the detection controller of this second electronic timer and this second memory, reaching one provides a second source energy to this second electronic timer, the second source feeding mechanism that second memory and detection controller use, whether wherein this detection controller detects and compares this time data and this booking work data, and control this power switching device according to comparison result and activate.
But 10, a kind of computer implemented method of pre-recorded television programme may further comprise the steps:
The booking work data that the interior book setting device of a computer system includes at least one subscription time and at least one pre-recorded television programme channel is located in utilization;
Judge whether this subscription time expires;
Control a power switching device Auto Power On by this book setting device; And
Store the data that this pre-recorded television programme channel is transmitted.
11, computer implemented method as claimed in claim 10 also comprises the following steps:
Utilizing this book setting device to control this power switching device shuts down automatically;
Detect an instruction signal input media and whether activate, if then this computer system is selected to carry out one second job, store one of this pre-recorded television programme channel and combination thereof; And
After this pre-recorded television programme channel of execution storage is finished, read a next subscription time, and according to selecting maintenance to start shooting apart from the time length of this next one subscription time and shutting down one of them.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031600298A CN1321372C (en) | 2003-09-23 | 2003-09-23 | Computer system capable of executing reserved work items and the method thereof |
| HK04107649A HK1064771A1 (en) | 2003-09-23 | 2004-10-06 | Computer system and method for executing reserved subjects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031600298A CN1321372C (en) | 2003-09-23 | 2003-09-23 | Computer system capable of executing reserved work items and the method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1527201A true CN1527201A (en) | 2004-09-08 |
| CN1321372C CN1321372C (en) | 2007-06-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031600298A Expired - Fee Related CN1321372C (en) | 2003-09-23 | 2003-09-23 | Computer system capable of executing reserved work items and the method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1321372C (en) |
| HK (1) | HK1064771A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1937822B (en) * | 2005-06-30 | 2011-06-08 | 诺基亚公司 | System and method for controlling energy usage in mobile application |
| CN101334724B (en) * | 2007-06-25 | 2012-01-25 | 国际商业机器公司 | Shutdown options setting method and device based on computer operating time |
| CN103166775A (en) * | 2011-12-12 | 2013-06-19 | 成都勤智数码科技有限公司 | Method for server startup-and-shut-down management at free time |
| CN112511903A (en) * | 2020-11-18 | 2021-03-16 | 深圳创维－Rgb电子有限公司 | Television control method and device, television and computer readable storage medium |
| CN113281652A (en) * | 2021-05-28 | 2021-08-20 | 深圳市新威尔电子有限公司 | Method for reserving test of battery test equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63314133A (en) * | 1987-06-16 | 1988-12-22 | Sharp Corp | Power source controlling system in terminal equipment |
-
2003
- 2003-09-23 CN CNB031600298A patent/CN1321372C/en not_active Expired - Fee Related
-
2004
- 2004-10-06 HK HK04107649A patent/HK1064771A1/en not_active IP Right Cessation
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1937822B (en) * | 2005-06-30 | 2011-06-08 | 诺基亚公司 | System and method for controlling energy usage in mobile application |
| CN101334724B (en) * | 2007-06-25 | 2012-01-25 | 国际商业机器公司 | Shutdown options setting method and device based on computer operating time |
| CN103166775A (en) * | 2011-12-12 | 2013-06-19 | 成都勤智数码科技有限公司 | Method for server startup-and-shut-down management at free time |
| CN112511903A (en) * | 2020-11-18 | 2021-03-16 | 深圳创维－Rgb电子有限公司 | Television control method and device, television and computer readable storage medium |
| CN113281652A (en) * | 2021-05-28 | 2021-08-20 | 深圳市新威尔电子有限公司 | Method for reserving test of battery test equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1321372C (en) | 2007-06-13 |
| HK1064771A1 (en) | 2005-02-04 |
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