CN1129854C - Computer system wake-up mechanism - Google Patents
Computer system wake-up mechanism Download PDFInfo
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- CN1129854C CN1129854C CN 97121482 CN97121482A CN1129854C CN 1129854 C CN1129854 C CN 1129854C CN 97121482 CN97121482 CN 97121482 CN 97121482 A CN97121482 A CN 97121482A CN 1129854 C CN1129854 C CN 1129854C
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- computer system
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- computations machine
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Abstract
Computer system wake-up mechanism can close the whole system elements, however, maintain the CPU and memorizer working with a reduced power so as to restart the system without resetting. The system automatically enters into power reduction mode if there is no keyboard or mouse input when given period runs up. Additionally, provided is a mechanism to detect the existence of the user near the system panel, even to produce an input of the keyboard or mouse when the user does any thing. In an embodiment, 1R detector is used to sense the body heat of the user or to remotely control the keyboard or mouse input. The 1R detector is a part of the system.
Description
The invention relates to the mechanism that the sensation computer system user exists, the system that makes is activated, and more specifically is about detecting the infrared ray sensation circuit that the user exists, to guarantee that when the user exists system is in movable pattern.
Computer system has one or more level " sleep pattern " usually or power reduces, and the system that makes keeps static state in the inertia cycle.System at first enters monitor or shows looks the monitor " shut " mode" that is placed the situation of closing, because monitor consumes more electric power than system unit itself usually, perhaps in the situation of the portable computer with LCD demonstration, the leakage of battery is main consideration.Before entering this pattern, based on using system clock timing mechanism by time cycle produce to select.As long as frequent keystroke or other input activity are arranged here, system will be maintained at activity pattern, but ought pass by for a long time and do not had user's activity, it is supposition just, oneself should incite somebody to action not using system in the zone through having left the user, if use up the activity that the cycle does not detect the user in the additional time, system will be placed on low-power mode, here be called power and reduce pattern, in power reduction pattern, not only close monitor, and close for example disc driver of various systems composition, peripherals, utility appliance or the like, yet, in power reduction pattern, state is retained with primary memory and is retained, make the user wish to return to when the user system of being input to be stopped execute the task the time, it can recover at short notice.
When these power reduction characteristics are when effectively and widely using in current computing machine, power reduces the operation of characteristics can bother the user frequently.For example, if the user be workstation and by other task such as making a phone call and the visitor talks and during occupied time, computer system may use up and be closed the time, this is not desirable.When one of computer system ingoing power reduction situation, but it uses the short significant time that system is waken up from hibernation usually, and promptly recovery system is to full-load operation.This time-delay is quite annoying.It only is because the time uses up and often occurs in its undesirable moment that the user trends towards closing power reduction state.
The power that has that uses up mechanism in use reduces in the existing computer system of characteristics, detect whether system may be the activity of keyboard or mouse with the incident that is used soon, the perhaps manual initialization activity of user, be presented on the position of workstation as the user, but be not engaged in the time of can producing any movable that keyboard is imported or mouse is imported, the time uses up mechanism and does not detect this situation.If the user is indoor, higher and the power of the possibility that computer system is used reduces pattern and should not be used, wake-up mechanism preferably can differentiate the user be sitting in before the register face situation and in this zone owing to sight, heat/AC lamp, colleague or visitor's peripheral situation.
Target of the present invention is, when the user has presented and during with the beamhouse operation computing machine, provides a kind of improved method of keeping computing machine at the state of being ready to.
Another target of the present invention provides an improved power and reduces control arrangement, and it guarantees that computer system will be under the required operator scheme at reasonable time.
Another target of the present invention provides can the reduction of object computer power and arousal function and need not user's manual input and can also differentiate that there is the method and apparatus with surrounding environment in the user.
Above-mentioned additional target of the present invention, it is fairly obvious that characteristics and advantage will become along with the following detailed description.
According to the first embodiment of the present invention, wake-up mechanism is provided, make computer system have power and reduce operator scheme, in power reduction pattern, the device of computer system is closed, but CPU and storer are kept, make system to restart and need not to restart, when using up in the cycle not in the given time such as keyboard or mouse input movable, system automatically carries out power and reduces pattern, and then, provide a kind of mechanism to present with the user who detects in the vicinity of system console, in addition when the user does not do anything with the input of generation keyboard or mouse.In one embodiment, the body heat of IR detecting device with the sensation user is provided, this IR detecting device can be the part of system, be used to the input of remote keypad or mouse, use discriminator circuit to detect the IR input characteristics, for example motion, this correspondence user's existence, rather than because other extra input that environment heat causes.The IR sensor can focus on the zone that user's physics is determined.By this way, as long as the user is presented in institute's favored area by computer console, use up mechanism's operation with not allowing to produce the time that power reduces situation.Like this, the undesirable irritating delay of closing and restarting can be reduced to minimum.
The novel features that characteristics of the present invention have is established in the middle of appended claim, when read in conjunction with the accompanying drawings, by can understand the of invention own better referring to the detailed description of illustrated embodiment, reaches additional objects and advantages.
The illustrated computer system of Fig. 1 wherein uses power to reduce and wake-up mechanism according to the present invention;
Fig. 2 is the circuit block diagram of Fig. 1 computer system;
Fig. 3 is the IR detector circuit figure of the system of Fig. 1 and 2;
The 4th, the constitutional diagram of the operation of the system of Fig. 1-3;
Fig. 5 is the circuit diagram of IR detecting device of the system of the Fig. 1-4 according to the embodiment of the invention;
Fig. 6 is the process flow diagram that uses the processing that the system of Fig. 1-5 of the use wake-up mechanism notion that IR detects finishes according to inventive embodiment.
Referring to Fig. 1, show here and have system unit 11 and have loudspeaker 13, the computer system 10 of the monitor of keyboard 14 and mouse 15, the composition of system is connected by cable 16 and system unit is connected to AC power supplies by cable 17.Usually monitor has independent ac power cable, but its power save mode is subjected to the control of system unit signal, this system only is the diagram Setup Type, wherein characteristic feature of an invention will be useful, and then the detecting device that reduces pattern here as the power that discloses is useful in portable or laptop computer or in similar equipment.
In Fig. 2, the block diagram of Fig. 1 computer system 10 is illustrated, in system unit 11, system board has CPU20, microprocessor chip normally, system bus 21 connects CPU to primary memory 22 and disk storage unit 23, CPU is connected to the video card that drives monitor 12 by the high-speed video bus.I/O bus 25 is connected to keyboard 14 and mouse 15, and audio frequency outputs to loudspeaker 13.Modulator-demodular unit can be connected to I/O bus and telephone jack 27, can comprise network card 28 certainly to be connected to computer network 29, and power supply 30 is connected to ac power cable 17 and the various compositions of operating voltage to system 10, i.e. 3V, 5V and 12V are provided.In timer circuit 31 is included in, and produces timers by interrupt line 32 and interrupt CPU; As described below, these times that can comprise that generation is used in conjunction with the present invention use up at interval, and timer circuit 31 uses the normally system clock 33 of the crystal of generation time standard.
In one embodiment, the system wake-up characteristics of invention are to use the IR detecting device, and it is connected on the I/O bus and by detecting device and filter circuit 36 to CPU, circuit 36 can produce interruption and can import data by I/O bus 25 on online 37.This IR detecting device 35 and interlock circuit 36 illustrate in Fig. 3 in more detail, certainly also shown in Fig. 1 and 2, keyboard 14 and/or mouse (or contact plate or tracking ball) 15 is connected to system unit by the IR link rather than by cable 16, make common desktop disturb and be reduced to minimum, the position of system component is just more flexible, and then, can use the IR link from the audio frequency input of microphone.IR source 40 can be used send data to other system component for example audio frequency be input to wear and make a phone call or dictate use being used to like the telephone receiver of earphone.The output of IR detector diode 35 can be used to several purposes, and wave filter 44 is used to separate keyboard 14 for this reason, and mouse 15 and microphone 38 employed carrier frequency see Fig. 3 for details; The output of wave filter 44 is used to drive detector circuit 45, and is the same with common practice, and it produces at output 46 places interrupts, or sends data to CPU.If two-way IR transmits and is used, IR output circuit 48 is used to drive diode 40, for example sends sound signal to earphone receiver 41.According to invention, and then IR circuit 36 can be felt the existence of the user (people) before computing machine by the detector circuit 50 that will describe.This detector circuit 50 uses identical IR detecting device 35 as all other IR operation compositions, though independent IR detecting device can be used.In the embodiment that replaces, IR detector diode 35 can be fixed on the keyboard 14 rather than on monitor, and keyboard itself is connected on the system unit by cable in this case.Circuit 50 is felt to pass through line 37 to system in the face of the IR emission variation in the zone of sensor 35 as the variation and the transmission wake-up interrupts of user's body.This interruption must be harmless to the operation of computer system, but it can not be ignored; This interruption increases system power or turns back to activity pattern rather than power reduction pattern.
Referring to the constitutional diagram of Fig. 4, the computer system of Fig. 1-3 can be considered has three kinds of main states, is respectively active state 55, monitor closed condition 56 and power reduce state 57, other state can be arranged here, deep sleep state for example, it only keeps main memory data, but other all be closed, as an alternative, system can only have two states, movable and power reduces state, for purposes of illustration, will the three condition system of Fig. 4 be discussed.And the input of any keyboard or mouse input or wake-up interrupts 58 will make system continue in active state 55 when active state.Taking interruption 59 when the time click under activity pattern makes the contents of system's detection timer counter register reach to see whether the time uses up the cycle, T=T1? with if not, system rests under the activity pattern, interrupt making T=T1 if the time click is taken, system enters into monitor " shut " mode" 56 by path 59 so.In monitor closed condition 56 but the time click that second time uses up period T 2 when also surpassing take sound and 60 make system held at the monitor " shut " mode" through the path.Taking sound when the time of T=T2 click 61 makes the system ingoing power reduce state 57 through the path, at any time, keyboard or mouse input (normally finishing) or the wake-up interrupts that causes by IR by detection user existence by interruption, this is pointed out by the path among the figure 62, make system or sleep state 56 or 57 to activity pattern 55 or rest on activity pattern 55, keyboard, mouse or wake-up interrupts 62 also make timer counter be reset (beginning) to state 63.
There is the IR detector circuit 50 of arousal function shown in Figure 5.This circuit comprises bandpass filter 65, operational amplifier 66, comparer 67 and interruption generator 68.Bandpass filter 65 comprises that resistance R 1 and the capacitor C 1 chosen are relevant with the motion frequency that the user's who is close at computing machine appearance produces with C1 to filter noise on every side, to make the R1 that chooses.Equally, choose resistance R 2 and capacitor C 2, produce the bandpass filtering effect with by the motion detection frequency.Operational amplifier 66 has resistance R 3 and R4 in the feedback loop, they are selected with noninvert ground amplifies the motion detection noise, and the output V0 that makes motion produce rises and be higher than the reference voltage that is produced by resistance R 5 and R6 in comparer 67.The operational amplifier of comparer produces output voltage V c, and when Vo＞Vref, Vc is movable, otherwise it is a logical zero or inactive, and output Vc is used so that circuit 68 produces the interruption of giving CPU in output 37.
Referring to Fig. 6, an example shows to realize that according to the present invention power reduces and the logical flow chart of the simplification of the program of arousal function in the system of Fig. 1-5.This method of operating only is an example, so that the principle of invention to be shown, and not to mean that and is so limited.Receive interruption in inlet point 70 expressions by CPU, interrupt being estimated to find what the interrupt type that process flow diagram build-in test point 71 is represented is.In many computer systems, many interruptions that have nothing to do with the present invention are used, and these detect by piece 72.Given interruption can be type only, and institute only is shown in the process flow diagram path and is followed.Interruption in the request is by the wake-up interrupts of circuit 50 generations of Fig. 3 or 5, detects by piece 73, and keyboard or mouse interrupts 74, the timer click is taken and is interrupted 75.Test at piece 76 by the wake-up interrupts that piece 73 detects, to see whether computing machine is at activity pattern 55, and promptly the activity pattern mode bit is set up? if so, returning immediately of interruption is performed, this is by piece 77 indications (being status routine path 62).If activity pattern is not set up, enter active state 55, be set up in piece 78 activity pattern positions, the time uses up counter (being register or memory location) and is changed to 0 at piece 79, carries out at piece 77 and returns.If interruption is that promptly the user works on computers owing to the activity of keyboard or mouse.Tested once more to see whether activity pattern is set up from piece 74 at piece 80, if be, time uses up counter and is reset with the input of keyboard or mouse processed in piece 82 at piece 81 so, in piece 88, interrupt returning then, if the test at piece 80 is pointed out, system is not at activity pattern, enters activity pattern and activity pattern is set at piece 84, and the input of keyboard or mouse is processed at piece 82 then.Take interruption if in piece 75, interrupt being identified as the time click, system or at activity pattern 55, or at monitor " shut " mode" 56, or reduce pattern 57 at power, but under anything part at piece 85 timer counters by increment.Test block 86 determines whether that system is under activity pattern (setting of activity pattern position), if so, returns in piece 87 execution.If not so, test to see whether system is at monitor " shut " mode" (setting of monitor " shut " mode" position) with if so at piece 88, use up counter and equal the very first time and use up period T 1 whether to see the time in piece 89 tests so.Use up if T1 has the time, enter at piece 90 so that monitor uses up pattern and execution is returned, do not take place, carry out so to return and continue at activity pattern 55 with system if the time uses up.If say that in the test of piece 88 the monitor " shut " mode" is set up, test at piece 92 determines whether that system just reduces pattern at power so, promptly, be provided with power and reduce the pattern position? if not, use up period T 2 at 93 test duration of piece counter to see whether count value equaled for second time, if so, system reduces pattern at piece 94 ingoing powers, if not, execution is returned with system and is rested on the monitor " shut " mode", and the test of if block 92 indicates, and power is set reduces pattern, carry out at piece 95 so and return and system rests on power and reduces or sleep state.
Characteristics of the present invention are described the embodiment shown in clear and the while reference and are described, be to be understood that the present invention can embody with other form, under situation about not departing from the scope of the present invention with spirit, the person skilled in art can make various variations to the details of the embodiment that illustrates or other embodiment of invention.
Claims (16)
1. the method for operational computations machine system comprises the steps:
Detect the radiant quantity in the zone of nearby computers system, said zone is the position of system operator when normal the use;
If said radiant quantity is different from the radiant quantity of choosing in above-mentioned a kind of mode,, place said computer system under activity pattern if said computer system is under inactive pattern;
If when said radiant quantity is identical with the amount of choosing in described a kind of mode, keep said computer system at said inoperative mode.
2. the method for the operational computations machine system of claim 1, wherein, said detection step comprises the detection infrared radiation.
3. the method for the operational computations machine system of claim 1, wherein, the step of said detection limit comprises and detects motion.
4. the method for the operational computations machine system of claim 1, wherein, placing said computer system comprises from the change and the inoperative mode of one of at least two kinds of different inoperative modes to the step of said activity pattern and comprises monitor " shut " mode" and sleep pattern.
5. the method for the operational computations machine system of claim 1, wherein, said computer system comprises that processor and the said computer system of said placement comprise producing to the step of said activity pattern and interrupts said processor.
6. power power requires the method for 1 operational computations machine system, wherein, comprise that also generation time uses up the step in cycle,, place said computer system to said inoperative mode if use up the input that does not detect computer system in the cycle in the said time.
7. the method for the operational computations machine system of claim 6, wherein, said detection step comprises the detection infrared radiation.
8. the method for the operational computations machine system of claim 6, wherein, the step of said detection limit comprises and detects motion.
9. the method for the operational computations machine system of claim 3, wherein, said detection limit step comprises the motion that detects near the user of said computer system.
10. computer system comprises:
The processor of execution command, the display of display system data, the manual input device of input data and order; Computer system comprises the inoperative pattern of the composition of activity pattern and system;
The radiant quantity detecting device in the zone of contiguous said display and computer system manual input device, said zone are the positions of using the operator of computer-chronograph system normal;
The pattern apparatus for placing, if said computer system is to place said computer system at said activity pattern when if inoperative mode and said radiant quantity are different from the amount of choosing under described a kind of mode, if or the amount of choosing under said radiant quantity and the said a kind of mode keep said computer system under said inoperative mode when identical.
11. the computer system of claim 10, wherein, said radiant quantity detecting device comprises in order to detect the detection of motion device near the user of said computer system.
12. the computer system of claim 10, wherein, said detecting device is an infrared detector.
13. the computer system of claim 12, wherein, said infrared detector detects the motion near the user of said computer system, and wherein the infrared ray level of environment can not be provided with computer system to said activity pattern.
14. the computer system of claim 13, wherein, said inoperative mode is to enter after the selected time that said manual input does not take place.
15. the computer system of claim 10 is characterized in that, comprises that placing said computer system is the timing mechanism of said inoperative mode.
16. the computer system of claim 10, wherein, said apparatus for placing produces said processor and interrupts.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US72687996A | 1996-10-04 | 1996-10-04 | |
| US726879 | 1996-10-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1189649A CN1189649A (en) | 1998-08-05 |
| CN1129854C true CN1129854C (en) | 2003-12-03 |
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ID=29584859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97121482 Expired - Fee Related CN1129854C (en) | 1996-10-04 | 1997-10-05 | Computer system wake-up mechanism |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1129854C (en) |
| TW (1) | TW353164B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT410620B (en) | 1997-07-10 | 2003-06-25 | Efkon Entwicklung Forschung & Konstruktion Von Sondermaschinen Gmbh | WAKE UP CIRCUIT FOR AN ELECTRONIC DEVICE |
| CN100409207C (en) * | 2003-07-21 | 2008-08-06 | 光宝科技股份有限公司 | Wireless signal receiver capable of being woken up rapidly and method thereof |
| US8855087B2 (en) * | 2008-12-18 | 2014-10-07 | Microsoft Corporation | Wireless access point supporting control by multiple applications |
| CN106027713B (en) | 2010-12-27 | 2020-07-07 | 株式会社精好 | Mobile phone, sound output device, listening system and listening apparatus |
| JP6551919B2 (en) | 2014-08-20 | 2019-07-31 | 株式会社ファインウェル | Watch system, watch detection device and watch notification device |
| WO2017126406A1 (en) | 2016-01-19 | 2017-07-27 | ローム株式会社 | Pen-type transceiver device |
-
1997
- 1997-10-03 TW TW086114444A patent/TW353164B/en active
- 1997-10-05 CN CN 97121482 patent/CN1129854C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| TW353164B (en) | 1999-02-21 |
| CN1189649A (en) | 1998-08-05 |
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