CN102346538B - Computer system - Google Patents
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- CN102346538B CN102346538B CN201010244807.1A CN201010244807A CN102346538B CN 102346538 B CN102346538 B CN 102346538B CN 201010244807 A CN201010244807 A CN 201010244807A CN 102346538 B CN102346538 B CN 102346538B
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- 210000004556 brain Anatomy 0.000 description 7
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Abstract
A computer system for saving power consumption in a reading mode, comprising: the system end normally operates in a normal working mode, and when the computer system enters a reading mode, the system end enters a sleep mode after converting currently processed data into N frame page data; and a display terminal which continuously operates in a reading mode, the display terminal including: the image frame buffer is connected with the N frame page data sent by the temporary storage system end; an input device for generating a control signal; a display panel; the image transmitter is electrically connected to the image frame buffer, the display panel and the input device and displays the frame page data of the frame on the display panel; in the reading mode, the image transmitter receives a control signal of the input device, takes out specific frame page data from the image frame buffer, and transmits the specific frame page data to the display panel to display the specific frame page data.
Description
Technical field
The present invention relates to a kind of computer system, relate in particular to and a kind ofly under reading model, the system end of computer system can be entered to sleep pattern and reach the computer system of electricity-saving function.
Background technology
Please refer to Fig. 1, it is depicted as known electric brain system block schematic diagram.Known electric brain system 10 mainly comprises processor (processor) 122, north bridge chips (north bridge) 124, South Bridge chip (south bridge) 126, image frame buffers (video frame buffer) 142, image transmitting device (transmitter) 144 and display panel (display panel) 146.Moreover north bridge chips 124 comprises Memory Controller Hub (memory controller) 152 and graphics controller (graphics controller) 154.Moreover north bridge chips 124 is connected between processor 122 and South Bridge chip 126; Image frame buffers 142 is connected to Memory Controller Hub 152; Image transmitting device 144 is connected to image frame buffers 142, graphics controller 154 and display panel 146.Certainly, also have keyboard (not shown) and mouse (not shown) to be connected in South Bridge chip 126 in computer system, the running relation between itself and computer system repeats no more.
In the time that computer system 10 starts (power on), first graphics controller 154 can detect the various parameter values of display panel 146, the ultimate resolution (resolution) that such as display panel 146 is supported etc., and according to the result output display panel parameter signal of detecting to image transmitting device 144, and then reach the communication between graphics controller 154 and display panel 146.When user is during in operating computer system 10, processor 122 can utilize keyboard or the operation of mouse in the operating system of computer system 10 according to user, frame page (frame page) data that will show in real time via Memory Controller Hub 152 are kept in to image frame buffers 142, and wherein this frame page data is representing the corresponding picture of the operation of user in operating system.Meanwhile, image transmitting device 144 also can synchronously point to (point) and be temporary in the frame page data of image frame buffers 142, and according to read frame page data and the display panel parameter signal that received before, the viewdata signal that converts read frame page data to fixing frame per second (frame rate) is to display panel 146.In its center page data, include the data such as RGB, Hsyn, Vsyn, and image transmitting device 144 can be converted to frame page data another specification, the viewdata signal of for example low-voltage differential signal (LVDS), and be sent to the display panel of low-voltage differential signal (LVDS).
For instance, if the resolution that graphics controller 154 detects display panel 146 in the time that computer system 10 is started shooting is (800X600), after image transmitting device 144 reads the frame page data being temporary in image frame buffers 142, image transmitting device 144 must be converted to read frame page data the viewdata signal that resolution is (800X600), then exports display panel 146 to for the corresponding picture of display panel 146 this viewdata signal of demonstration.
In sum, constantly upgrade the frame page data in image frame buffers 142 by processor 122 via Memory Controller Hub 152, and the also frame page data of reading images frame buffer 142 be converted into viewdata signal and export display panel 146 to constantly of image transmitting device 144, user can synchronously learn the variation operating in operating system via display panel 146.
But, suppose that user utilizes the operating system of computer system 10 merely to read a certain document (such as Word, pdf document etc.), and while not needing to edit this document, now user probably needs several minutes consuming time or tens of minutes in the time reading certain one page of this document, and can't do any operational variation to the operating system of computer system 10 between read period.But however, in user reads consuming time several minutes or tens of minutes of same one page of this document, the processor 122 of known electric brain system 10 still will be in normal duty, and monitors whether user produces new operational order, and this will cause the waste of computer system 10 energy consumptions.
Summary of the invention
The present invention is mainly for improving known electric brain system in the time that user reads a certain file within a long period, and the system end of known electric brain system is still in running order and cause the waste of electric energy.
The present invention proposes a kind of computer system, there is a normal mode of operation and a reading model comprises: a system end, normal operation under above-mentioned normal mode of operation, in the time that above-mentioned computer system enters above-mentioned reading model, said system end becomes a data-switching of instantly processing after N frame page data, and said system end enters a sleep pattern; And a display end, under above-mentioned reading model, continuing running, above-mentioned display end comprises: an image frame buffers, connects and N frame page data that temporary said system end is sent; One input media, in order to produce a control signal; One display panel; And an image transmitting device, being electrically connected to above-mentioned image frame buffers, above-mentioned display panel and above-mentioned input media, above-mentioned frame page data is shown in above-mentioned display panel by above-mentioned image transmitting device; Wherein, under above-mentioned reading model, above-mentioned image transmitting device receives the above-mentioned control signal of above-mentioned input media, and in above-mentioned image frame buffers, takes out after a particular frame page data, is sent to above-mentioned display panel and shows above-mentioned particular frame page data.
In sum, because image frame buffers of the present invention can store N frame page data simultaneously, kept in to image frame buffers by north bridge chips when computer system operates under reading model and when N frame page data, the system end of computer system enters sleep state.That is to say, user in the time browsing the image of file N page of this N frame page data representative, the system end of computer system is owing to entering sleep state, and therefore its power consumption producing is relatively low, and then has reached energy-conservation under reading model of computer system of the present invention.
Brief description of the drawings
Figure 1 shows that known electric brain system schematic diagram.
Figure 2 shows that the computer system schematic diagram of tool electricity-saving function of the present invention.
Embodiment
Please refer to Fig. 2, it is depicted as the computer system block schematic diagram of tool electricity-saving function of the present invention.Computer system 20 of the present invention mainly comprises processor 122, north bridge chips 124, South Bridge chip 126, image frame buffers 242, image transmitting device 244, embedded controller 254, input media 248 and display panel 146.As previously mentioned, north bridge chips comprises Memory Controller Hub 152 and graphics controller 154.Moreover, the image frame buffers 242 that computer system 20 of the present invention adopts, the size of its capacity at least can store N frame page data simultaneously.Moreover image transmitting device 244 comprises micro-control unit (micro control unit, MCU) 246.As previously mentioned, north bridge chips 124 is connected between processor 122 and South Bridge chip 126, and image frame buffers 242 is connected to Memory Controller Hub 152; Image transmitting device 244 is connected to image frame buffers 242, graphics controller 154, embedded controller 254, input media 248 and display panel 146.
Moreover the principle of work of the computer system 20 of tool electricity-saving function of the present invention for convenience of description, processor 122, north bridge chips 124, may be defined as the system end 22 of computer system 20 with South Bridge chip 126; Image frame buffers 242, embedded controller 254, input media 248, image transmitting device 244 and display panel 146 may be defined as the display end 24 of computer system 20.
Computer system 20 of the present invention can operate in normal mode of operation and a reading model, when computer system 20 is under reading model, system end 22 in computer system 20 will enter sleep (suspend) pattern, and display end 24 still can receive standby power and normally work.
First, such as, when user opens a certain data (document such as Word, pdf document) of instantly processing in computer system 20 of the present invention, and assert and within a period of time, only purely read this file and can not take any action to the operating system of computer system 20 time, the application software (application program, Fig. 2 is not shown) that user can start computer system 20 makes computer system 20 of the present invention enter reading model.
The principle of work of computer system 20 of the present invention for convenience of description, supposes that document that user opens is one to have the pdf document of 8 pages and the capacity of image frame buffers 242 can store the frame page data of 10 simultaneously.First, when opening to have the pdf document of 8 pages and assert, user within a period of time, only purely reads this file and can not take any action to the operating system of computer system 20 time, user can start application software and make computer system 20 of the present invention enter reading model.
Enter after reading model in computer system 20, application software can be controlled the 1st page of pdf document that graphics controller 154 captures (capture) this unlatching to the 8th page of image (image), and respectively the 1st page of this pdf document is kept in to image frame buffers 242 with the frame page data form of the 1st to the 8th to the 8th page of image (image).Subsequently, the system end 22 of computer system 20 enters sleep (suspend) state, and therefore the system end 22 of computer system 20 can enter energy-conservation state.Because the frame page data of the 1st to the 8th of this pdf document has been kept in to image frame buffers 242, computer system 20 can read and be converted to viewdata signal to the frame page data of the 1st to the 8th in image frame buffers 242 by image transmitting device 244 and be passed to display panel 146, makes user can browse via display panel 146 the 1st page to the 8th page image of this pdf document.
Moreover, the 1st page to the 8th page image of this pdf document of wanting to browse for the selection that allows user can arbitrarily go up nextpage, computer system 20 be separately provided with input media 248 can provide user's control signal carry out on the conversion of nextpage.Referring again to accompanying drawing 2, the input media 248 of computer system 20, is connected to micro-control unit (MCU) 246, and wherein input media 248 includes page key (page-up) 250 and Page Down keys (page-down) 252.Moreover page key 250 can be arranged on the casing of computer system 20 with Page Down keys 252 on this.For instance, there is the pdf document of 8 pages and computer system 20 and enter the frame page data that reading model makes the 1st to the 8th and keep in to image frame buffers 242 when user opens, under original state, image transmitting device 244 will point to (point) and be temporary in the address (address) of the first stroke frame page data of image frame buffers 242, and be converted to viewdata signal and be passed to display panel 146, make user can browse by display panel 146 the first page image of this pdf document.In the time that user wants to browse the second page image of pdf document, user can and produce page signal by Page Down keys (page-down) 252, now micro-control unit (MCU) 246 can be according to lower page signal, be passed to display panel 146 and control chart points to the address (address) of second frame page data as transmitter 244 and be converted to viewdata signal, make user can browse via display panel 146 the second page image of pdf document.
In like manner, in the time that user wants again to browse the first page image of pdf document, user can and produce page signal on by upper page key (page-up) 250, now micro-control unit (MCU) 246 can be according to upper page signal, and control chart points to the address (address) of first box page data as transmitter 244, make user can browse by display panel 146 the first page image of pdf document.Therefore,, by pressing of upper page key 250 and Page Down keys 252, user can select the 1st page to the 8th page image of this pdf document of want to browse.
Moreover, owing to being that upper page key 250 by input media 248 is reached with Page Down keys 252 to the control of nextpage in pdf document in the present invention, but not the mouse that known electric brain system adopts or keyboard, and the micro-control unit that input media 248 connects (MCU) 246 belongs to the display end 24 of computer system 20, therefore user by page key 250 while changing the not same page image of display panel 146 shown pdf documents with Page Down keys 252, can't cause the system end 22 of computer system 20 to be waken up.So can ensure user on page key 250 while operating with Page Down keys 252, the system end 22 of computer system 20 is still in sleep state, and then reaches the electricity-saving function of computer system 20 of the present invention.
Owing to browse the 1st page to the 8th page image of this pdf document user in, the system end 22 of computer system 20 is in sleep (suspend) state, now system end 22 power consumption of computer system 20 are relatively little, and then reach the electricity-saving function of computer system 20 of the present invention under reading model.
Moreover for ensureing in computer system 20 of the present invention, its number of pages of the document of opening in the case of user is greater than 242 of image frame buffers and can stores frame page data stroke count simultaneously, computer system 20 of the present invention still has electricity-saving function.As shown in Figure 2, computer system 20 of the present invention is separately provided with an embedded controller (embedded controller) 254, is connected between north bridge chips 124 and micro-control unit (MCU) 246.
The function of embedded controller 254 of the present invention for convenience of description, supposes that document that user opens is one to have the pdf document of 45 pages and the capacity of image frame buffers 242 can store the frame page data of 10 simultaneously.As previously mentioned, there is the pdf document of 45 pages and via application software, computer system 20 of the present invention is entered after reading model when user opens, application software can be controlled graphics controller 154 and capture the 1st page of (capture) this pdf document of 45 pages to the 10th page of image (image), and keeps in to image frame buffers 242 with the frame page data form of the 1st to the 10th respectively.Subsequently, the system end 22 of computer system 20 enters sleep (suspend) state.In the time that user is about to browse front ten pages of images of this pdf document of 45 pages, 124 of the north bridge chips of computer system 20 are kept in the several frame page datas after the 10th page of this pdf document of 45 pages to image frame buffers 242 again.For instance, suppose the temporary frame page data of the 1st to the 10th that has this pdf document of 45 pages of image frame buffers 242, in the time that user has browsed so far the tenth page of content of pdf document of 45 pages, that is micro-control unit (MCU) 246 is when detecting image transmitting device 244 and pointing to the address (address) of the frame page data of the 10th of image frame buffers 242, now micro-control unit (MCU) 246 controls the system end 22 that embedded controller 254 makes it wake computer system 20 up.After the system end 22 of computer system 20 is waken up, the 10th page of image (or the tenth frame page data) of browsing this pdf document of 45 pages except user is retained, the the 1st to the 9th frame page data will be cleared in the occupied space of image frame buffers 242, make the 11st page of application software control graphics controller 154 continuation acquisition (capture) these pdf documents to the 19th page of image (image), and keep in to image frame buffers 242 with the frame page data form of the 11st to the 19th respectively.When the frame page data of the 11st to the 19th is kept in to image frame buffers 242, as previously mentioned, the system end 22 of computer system 20 will enter sleep state again.That is to say, when the system end 22 of computer system 20 enters sleep (suspend) state, now system end 22 power consumption of computer system 20 are relatively little, and user still can continue to browse the 10th page to the 19th page image of this pdf document, and then reach the electricity-saving function of computer system 20 of the present invention under reading model.
Moreover, micro-control unit of the present invention (MCU) 246 can record computer system 20 in the time of reading model, before system end 22 is waken up, user browses the last number of pages of this pdf document, that is the system end 22 of computer system 20 is waken up the FA final address (address) of front image transmitting device 244 image frame buffers 242 pointed.For instance, when the tenth page of content just browsing this pdf document of 45 pages as user is waken up system end 22 and the 11st to 19 frame page datas of this pdf document of 45 pages kept in to image frame buffers 242, the image transmitting device 244 that image transmitting device 244 still can record according to micro-control unit (MCU) 246 points to the address of image frame buffers 242, the 10th page of image of this pdf document of 45 pages is shown on display panel 146, therefore user is browsing in the process of this pdf document of 45 pages, can't cause new frame page data to be kept in to image frame buffers 242, user reads the discontinuous of this pdf document of 45 pages on display panel 146.Therefore, user can continue to browse by upper page key 250 and Page Down keys 252 19 pages of images of the 10th page of image to the of this pdf document of 45 pages equally.
Moreover, because the system end 22 of computer system 20 is from sleep state, wake up to being embedded into formula controller 254, to the 11st to the 19th frame page data is kept in to image frame buffers 242, again enter sleep state to the system end 22 of computer system 20 again, its required time is quite of short duration, and user can not discover easily, therefore can't affect the reading of user to this pdf document of 45 pages.
Moreover in the time that computer system 20 operates in reading model, user can finish application software of the present invention or make computer system 20 end operations in reading model by initiatively waking the system end 22 of computer system 20 up.For instance, when computer system 20 operates in reading model and user has read document, or user while just reading certain one page and now user want to finish the reading of this document, user can be by pressing mouse or keyboard, make the system end 22 of computer system 20 initiatively be waken up and finish application software of the present invention, or make computer system 20 end operations in reading model.
In sum, because image frame buffers 242 of the present invention can store N frame page data simultaneously, kept in to image frame buffers 242 by north bridge chips 124 when computer system 20 operates under reading model and when N frame page data, the system end 22 of computer system 20 enters sleep state.That is to say, user in the time browsing the image of file N page of this N frame page data representative, the system end 22 of computer system 20 is owing to entering sleep state, and therefore its power consumption producing is relatively low, and then has reached energy-conservation under reading model of computer system 20 of the present invention.
In sum; although the present invention discloses as above with preferred embodiments, so it is not in order to limit the present invention, and those skilled in the art without departing from the spirit and scope of the present invention; when doing various changes and retouching, therefore protection scope of the present invention is when being as the criterion depending on claims person of defining.
Claims (9)
1. a computer system, has normal mode of operation and reading model, it is characterized in that, comprises:
System end, normal operation under above-mentioned normal mode of operation, in the time that above-mentioned computer system enters above-mentioned reading model, said system end becomes the data-switching of instantly processing after N frame page data, and said system end enters sleep pattern; And
Display end continues running under above-mentioned reading model, and above-mentioned display end comprises:
Image frame buffers, N the frame page data that connection temporary said system end are sent;
Input media, in order to produce control signal;
Display panel; And
Image transmitting device, is electrically connected to above-mentioned image frame buffers, above-mentioned display panel and above-mentioned input media, and above-mentioned frame page data is sent to above-mentioned display panel by above-mentioned image transmitting device;
Wherein, under above-mentioned reading model, above-mentioned image transmitting device receives the above-mentioned control signal of above-mentioned input media, and takes out after particular frame page data in above-mentioned image frame buffers, is sent to above-mentioned display panel and shows above-mentioned particular frame page data.
2. computer system according to claim 1, it is characterized in that, wherein, above-mentioned display end also comprises embedded controller, be electrically connected to above-mentioned image transmitting device, in the time that last the frame page data in above-mentioned N frame page data is shown in above-mentioned display panel by above-mentioned image transmitting device, control above-mentioned embedded controller said system end is entered to above-mentioned normal mode of operation by above-mentioned sleep pattern.
3. computer system according to claim 2, it is characterized in that, wherein, in the time of above-mentioned normal mode of operation, N continuous-1 page after N page of the above-mentioned data of instantly processing is converted into N-1 frame page data by said system end, and said system end enters above-mentioned sleep pattern after above-mentioned N-1 frame page data of output.
4. computer system according to claim 1, is characterized in that, wherein, said system end comprises:
Processor;
North bridge chips, is connected to above-mentioned processor, and above-mentioned north bridge chips comprises: Memory Controller Hub and graphics controller; Wherein, in the time of above-mentioned reading model, N page of the above-mentioned data of instantly processing is converted into N frame page data by above-mentioned graphics controller, and export above-mentioned N frame page data via above-mentioned Memory Controller Hub; And
South Bridge chip, is electrically connected to above-mentioned north bridge chips.
5. computer system according to claim 4, is characterized in that, also includes keyboard or mouse and is electrically connected to above-mentioned South Bridge chip, and in the time that above-mentioned mouse or above-mentioned keyboard are pressed, said system end enters above-mentioned normal mode of operation.
6. computer system according to claim 1, is characterized in that, also includes application software, carries out above-mentioned application software and enter above-mentioned reading model in the time that said system end is opened the above-mentioned data of instantly processing.
7. computer system according to claim 1, it is characterized in that, wherein, above-mentioned image transmitting device comprises that micro-control unit receives upper page signal or lower page signal that above-mentioned input media produces, and controls according to this above-mentioned image transmitting device and be shown in above-mentioned display panel by the previous frame page data of above-mentioned particular frame page data or by the next frame page data of above-mentioned particular frame page data.
8. computer system according to claim 1, is characterized in that, wherein above-mentioned input media comprises: upper page key produces above-mentioned upper page signal in the time pressing; And Page Down keys, in the time pressing, produce above-mentioned lower page signal.
9. computer system according to claim 1, is characterized in that, wherein above-mentioned input media is arranged at the casing of above-mentioned computer system.
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| CN201010244807.1A CN102346538B (en) | 2010-08-04 | 2010-08-04 | Computer system |
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| CN201010244807.1A CN102346538B (en) | 2010-08-04 | 2010-08-04 | Computer system |
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| CN102346538B true CN102346538B (en) | 2014-11-26 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105607725B (en) * | 2012-08-17 | 2019-03-01 | 宏碁股份有限公司 | Power management system and power management method |
| CN104850417B (en) * | 2014-02-18 | 2019-03-29 | 联想(北京)有限公司 | A kind of method and electronic equipment of information processing |
| CN105390094B (en) * | 2014-09-02 | 2019-08-20 | 伊格尼斯创新公司 | A system for driving a display |
| CN108228074B (en) * | 2018-02-02 | 2022-03-25 | 联想(北京)有限公司 | Display control method, display system, electronic device and computer readable medium |
| US10636341B2 (en) * | 2018-09-10 | 2020-04-28 | Novatek Microelectronics Corp. | Method of processing image data and related image processing device |
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| CN1629797A (en) * | 2003-12-15 | 2005-06-22 | 联想(北京)有限公司 | Multi-screen personal digital assistant |
| CN1866165A (en) * | 2005-05-18 | 2006-11-22 | 乐金电子（昆山）电脑有限公司 | Computer system with power-saving capability and method for implementing power-saving mode in computer system |
| CN1983118A (en) * | 2005-12-14 | 2007-06-20 | 环达电脑(上海)有限公司 | Method for saving power of personal digital aid |
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| CN1629797A (en) * | 2003-12-15 | 2005-06-22 | 联想(北京)有限公司 | Multi-screen personal digital assistant |
| CN1866165A (en) * | 2005-05-18 | 2006-11-22 | 乐金电子（昆山）电脑有限公司 | Computer system with power-saving capability and method for implementing power-saving mode in computer system |
| CN1983118A (en) * | 2005-12-14 | 2007-06-20 | 环达电脑(上海)有限公司 | Method for saving power of personal digital aid |
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