CN100380277C - Screen switch of portable personal computer - Google Patents
Screen switch of portable personal computer Download PDFInfo
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- CN100380277C CN100380277C CNB2005100401794A CN200510040179A CN100380277C CN 100380277 C CN100380277 C CN 100380277C CN B2005100401794 A CNB2005100401794 A CN B2005100401794A CN 200510040179 A CN200510040179 A CN 200510040179A CN 100380277 C CN100380277 C CN 100380277C
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Abstract
The present invention relates to a screen switch of a portable personal computer, which is composed of a first sensor, a second sensor, action sensing parts of the sensor and a control part. The portable personal computer comprises an upper module with a liquid display screen and a lower module with a keyboard. When the upper module moves over a certain angle, the first sensor senses the upper module. When the upper module completers movement, the second sensor senses the upper module. The action sensing parts of the sensor input and store the sensed result data of the first sensor and the second sensor. The control part receives the sensed result data from the action sensing parts of the sensor, and controls a back light power supply of the liquid display screen of the upper module. The screen switch of a portable personal computer divides the action of the screen switch into a plurality of parts, and executes switch actions through sensing, and thus, the false operation of the screen switch is prevented. The corresponding power consumption is minimized through a plurality of stages of divided actions.
Description
Technical field
The invention relates to the invention of pocket pc aspects such as notebook computer, panel computer, especially about the screen on-off of pocket pc.
Background technology
Continuous development and progress along with technology, develop and released desktop computer in succession, various PC such as notebook computer (PC), wherein, notebook computer is to consider the Portability of computer and the computer developed, is a kind of computer of driving realized by small-sized, light and handy battery.
The size of this notebook computer is more and more littler, and weight is also more and more lighter, has been used widely now and popularizes, and it is even without AC power, by the charge power supply (DC power supply) of self battery, and also can drive system.
That is, above-mentioned notebook computer has the restriction that is not subjected to the user site, the advantage that can arbitrarily use.
And, recently, along with further developing of technology, a kind of pocket pc that has more outstanding portable performance than above-mentioned notebook computer----panel computer (tablet pc) has appearred.
This panel computer is as the pocket pc that attracts most attention recently, have following characteristics: the user is by using electronic pen and tablet, directly, can store specific data or converting text, be entered in other application program at the enterprising line item of picture.It also can use electronic pen except can importing original text, finish the original operation of being finished by mouse or keyboard usually and (open application program, select original text, expression menu etc.), under normal conditions, also can use the mouse or the keyboard that generally use now simultaneously.
And above-mentioned panel computer can be divided into 2 kinds of fundamental types on product form, that is, a kind ofly be and convertible (convertible) type flat panel computer that keyboard is unified; Another kind is in office, can connect keyboard at an easy rate, and the slate computer of the emerging expansion support solution of using.Above-mentioned panel computer has the temporary transient expansion (grab-and-go) of supporting cancellation expansion support, under standby mode, shortens the switching time of state of activation.
Here, the panel computer of above-mentioned convertible type is the same with existing notebook computer, all supports keyboard entry method.
In the pocket pcs such as panel computer of above-mentioned notebook personal computer and convertible type, on the ad-hoc location of upper module with LCDs, screen on-off (LIDswitch) is set, when utilizing above-mentioned screen on-off Unscrew (open) or closing (close) upper module, by output screen on-off opening/closing (LID SW-on/off) signal corresponding with it, responsible position power supply such as backlight to LCDs.
But because the screen on-off that has in the existing pocket pc is formed by outstanding structure, it exists inconvenience to use, and is easy to occur the problem that system can not run well.
In order to address the above problem, occurred a kind of by using magnetic sensor (magneticsensor), construct the technology of screen on-off, but, because the magnetic intensity of magnetic sensor is different with direction, its characteristic also changes, even use this technology, also exists to cause the problem that screen on-off can not regular event.
And there is the opening/closing action along with system switching in existing screen on-off, moves forcibly, may cause occurring the mistake operation problem.In this case, for recovery system, need to activate again (wake up) system.
Summary of the invention
The present invention is in order to address the above problem, its objective is provides a kind of screen on-off operating stably that can realize pocket pc, segment by action screen on-off, and to its detection, carry out the operation of switch, thereby prevent the mistake operation of screen on-off, make the screen on-off of the minimized pocket pc of power consumption by the segmentation action.
To achieve these goals, the screen on-off of pocket pc is made of following components among the present invention, and as feature: by the upper module that comprises LCDs and comprise in the pocket pc of lower module be combined into of keyboard, when above-mentioned upper module move greater than predetermined angular the time, it is carried out the 1st sensor of sensing; When above-mentioned upper module finishes it to be carried out the 2nd sensor of sensing when mobile; Import above-mentioned the 1st sensor and the 2nd sensor sensed result data, and with the sensor action sensing portion of its storage; Receive the sensed result data from the sensor action sensing portion, the control part that the LCD screen backlight power supply in the above-mentioned upper module is controlled.
The upper module move angle of above-mentioned the 1st sensor institute sensing is from tilt angle more than 20 degree of initial conditions; Above-mentioned control part is according to the 1st sensor sensed result data, the LCD screen backlight power supply in can the above-mentioned upper module of temporary close.
The power supply of the LCD screen backlight in the above-mentioned upper module is opened or closed to above-mentioned control part fully according to the 2nd sensor sensed result data.When sensed result is a upper module when being in open mode, open above-mentioned backlight electric power fully; When sensing result is a upper module when being in closed condition, close above-mentioned backlight electric power fully.
And, the screen on-off of pocket pc is by constituting with the lower part among the present invention, and as feature: in the pocket pc that forms that combines by upper module that comprises LCDs and the lower module that comprises keyboard, when above-mentioned upper module moves certain angle when above, it is carried out the sensor of sensing; Time-delay portion, the result data that the sensor is sensed receives as input signal, and checks whether above-mentioned input signal is kept the stipulated time; Sensor action sensing portion receives the sensor sensed result data and holds time, and with its storage; Control part receives from the sensor action sensing portion sensed result data and holds time, and the LCD screen backlight power supply in the above-mentioned upper module is controlled.
The move angle of the upper module of the sensor sensing is from the angle more than initial conditions inclination 70 degree; Above-mentioned time-delay portion checks whether upper module keeps the certain tilt angle during a period of time,, checks whether upper module keeps the stipulated time with the above heeling condition of 70 degree that is.
The screen on-off of pocket pc is divided into a plurality of stages by the action with screen on-off among the present invention, and sensing, to carry out the action of switch, prevents the mistake operation of screen on-off, thereby realizes that by the stage action power consumption minimizes.
Description of drawings
Fig. 1 a and Fig. 1 b are the pocket pc schematic appearance for the screen on-off action of pocket pc among explanation the present invention.
Fig. 2 is the formation block diagram of the 1st embodiment of the screen on-off of pocket pc among the present invention.
Fig. 3 is the formation block diagram of screen on-off the 2nd embodiment of pocket pc among the present invention.
Accompanying drawing major part symbol description:
200,300: 210: the 1 sensors of screen on-off
Sensor 220,330 in 212: the 2: sensor action sensing portion
230,340: control part 240,350: backlight
310: sensor 320: time-delay portion
Embodiment
Embodiment to the screen on-off of pocket pc among the present invention is elaborated below with reference to accompanying drawings.
Fig. 1 a and Fig. 1 b are the schematic appearance of pocket pc of embodiment that is used to illustrate the screen on-off of pocket pc of the present invention.
Shown in Fig. 1 a and Fig. 1 b, pocket pcs 100 such as notebook computer or convertible type panel computer by, the lower module 140 that has the upper module 120 of LCDs and have a keyboard constitutes.
As shown in Figure 1a, after opening pocket pc, the operation computer when finishing the operation of computer, shown in Fig. 1 b, is closed computer, powered-down.
But, when above-mentioned pocket pc 100 is convertible type panel computer,, cover the lower module 140 that has keyboard by rotating above-mentioned upper module 120, by on LCDs, using means such as electronic pen, can import data.
And, on the ad-hoc location of above-mentioned pocket pc, screen on-off is set, when its Unscrew or when closing upper module, by exporting corresponding screen on-off open/closed signal, to the position power supply such as backlight of LCDs.That is, when upper module 120 is in open mode, open the backlight electric power of LCDs, when upper module 120 is in closed condition, close the backlight electric power of LCDs.
The fundamental purpose of screen on-off of the present invention is: be divided into a plurality of stages by the process that above-mentioned upper module 120 is opened and closed, generate different signals in each stage, and it is carried out sensing, carry out corresponding specific action, prevent the mistake operation of screen on-off, realize minimizing of power consumption by the action that is divided into a plurality of stages.
Fig. 2 is the formation block diagram of the 1st embodiment of the screen on-off of pocket pc among the present invention.
See figures.1.and.2, formation and the action of the 1st embodiment of the screen on-off of pocket pc of the present invention is described in detail as follows.
As shown in Figure 2, the screen on-off 200 of pocket pc comprises with the lower part: when upper module 120 moves predetermined angular when above, it is carried out the 1st sensor 210 of sensing; Finish when mobile when above-mentioned upper module, it is carried out the 2nd sensor 212 of sensing; Import above-mentioned the 1st sensor and the 2nd sensor sensed result data, and with the sensor action sensing portion 220 of its storage; Receive above-mentioned sensing result data from the sensor action sensing portion, the control part 230 that 240 power supplys of the LCD screen backlight in the above-mentioned upper module are controlled.
Here, the move angle of the upper module 120 that senses of above-mentioned the 1st sensor 210 is from tilt state more than 20 degree of initial conditions.
Promptly, if supposition upper module 120 moves to upper module 120 closing state of Fig. 1 b from the state of opening of Fig. 1 a, when oblique 20 degree of inclination vertically downward were above, above-mentioned the 1st sensor 210 sensed this situation, and the result that will sense sends sensor action sensing portion to.
Then, sensor action sensing portion 220 sends result data to control part 230, the result data that control part receiving sensor action sensing portion transmits, 240 power supplys backlight of the LCDs on the above-mentioned upper module of temporary close.
And in this case, above-mentioned control part 230 is not only controlled above-mentioned backlight electric power, can also control other parts that can reduce battery consumption electric power.That is, enter battery saving mode.
Therefore, when the user states in the process of pocket pc in the use, when other thing to be processed is arranged,, just battery saving mode can be entered, minimum power consumption can be realized upper module certain angle that tilts.
Then, enter the state of Fig. 1 b when above-mentioned top pattern 120, that is, closed condition enters buttoned-up status, shown in Fig. 1 b, above-mentioned this situation of the 2nd sensor 212 sensings sends the result who senses to sensor action sensing portion 220, and sensor action sensing portion sends result data to control part 230, the result data that control part receiving sensor action sensing portion transmits, and close 240 power supplys backlight of the LCDs on the above-mentioned upper module fully.
But, when above-mentioned upper module 120 be reduced into as shown in Figure 1a initial user mode rather than during closed condition, this situation of the 2nd sensor 212 sensings, the result, control part 230 reopens 240 power supplys backlight of the LCDs on the above-mentioned upper module.
Fig. 3 is the formation block diagram of the 2nd embodiment of pocket pc screen on-off among the present invention.
With reference to Fig. 1 and Fig. 3, formation and the action of the 2nd embodiment of the screen on-off of pocket pc among the present invention is described in detail as follows.
As shown in Figure 3, the screen on-off 300 of the pocket pc of the 2nd embodiment of the present invention comprises with the lower part: when upper module 120 moves predetermined angular when above, it is carried out the sensor 310 of sensing; Time-delay portion 320, input the sensor sensed result data, and receiving inputted signal check whether above-mentioned input signal is kept the stipulated time; Sensor action sensing portion 330 receives the result data that the sensor senses and holds time, and it is stored; Control part 340 receives from the sensor action sensing portion sensed result data and holds time, and 350 power supplys of the LCD screen backlight in the above-mentioned upper module are controlled.
Here, the move angle of the upper module 120 of the sensor 310 sensings is from the state more than initial conditions inclination 70 degree.
That is, as shown in Figure 1a, suppose that upper module 120 moves from upper module 120 closing state of open mode to Fig. 1 b, when oblique 70 degree of inclination vertically downward were above, the sensor sensed this situation, and the result that will sense sends time-delay portion 320 to.
Then, time-delay portion 320 receives the sensor sensed result data, checks whether above-mentioned input signal is kept the stipulated time, specifically is, checks that whether above-mentioned upper module 120 keeps the predetermined angular of certain hour is the above heeling conditions of 70 degree.
If above-mentioned check result is, upper module has been kept the special angle heeling condition of certain hour, just assert that the user will close upper module 120, send this result to sensor action sensing portion 330, and the sensor action sensing portion 330 sends result data to control part 340, as a result, control part is closed 350 power supplys backlight of the LCDs on the above-mentioned upper module.
But, when above-mentioned upper module 120 is reduced into shown initial user mode of Fig. 1 a rather than closed condition, that is, when being reduced into the state that upper module opens before the certain hour, reopen 350 power supplys backlight of the LCDs on the above-mentioned upper module by control part 340.
By above-mentioned description, relevant speciality personnel can carry out various change and modification fully in the scope that does not depart from this invention technological thought.
Therefore, the technical scope of this invention is not limited to the content on the instructions, must determine its technical scope according to interest field.
Claims (8)
1. the screen on-off of a pocket pc, its pocket pc comprises upper module that has LCDs and the lower module that has keyboard, the screen on-off of described pocket pc divides a plurality of stages actions, it is characterized in that comprising:
The 1st sensor, when above-mentioned upper module move greater than predetermined angular the time, it is carried out sensing;
The 2nd sensor is finished when mobile when above-mentioned upper module, and it is carried out sensing;
Sensor action sensing portion imports above-mentioned the 1st sensor and the 2nd sensor institute sensed result data, and its data are stored;
Control part receives institute's sensed result data from the sensor action sensing portion, and the LCD screen backlight power supply in the above-mentioned upper module is controlled.
2. the screen on-off of pocket pc according to claim 1 is characterized in that:
The move angle of the upper module of above-mentioned the 1st sensor institute sensing is, from tilt angle more than 20 degree of initial conditions.
3. the screen on-off of pocket pc according to claim 1 is characterized in that:
Above-mentioned control part is according to above-mentioned the 1st sensor sensed result data, the LCD screen backlight power supply in the above-mentioned upper module of temporary close.
4. the screen on-off of pocket pc according to claim 1 is characterized in that:
The LCD screen backlight power supply in the above-mentioned upper module is opened or closed to above-mentioned control part fully according to the 2nd sensor sensed result data.
5. as the screen on-off of pocket pc as described in the claim 4, it is characterized in that:
When sensing above-mentioned upper module when being in open mode, above-mentioned backlight electric power is then opened fully, and when sensing above-mentioned upper module when being in closed condition, above-mentioned backlight electric power is then closed fully.
6. the screen on-off of a pocket pc, its pocket pc comprises upper module that has LCDs and the lower module that has keyboard, the screen on-off of described pocket pc, its feature comprises:
Sensor when upper module moves predetermined angular when above, carries out sensing to it;
Time-delay portion, the result data that the sensor is sensed receives as input signal, and checks whether above-mentioned input signal is kept the stipulated time;
Sensor action sensing portion receives the sensor sensed result data and holds time, and it is stored;
Control part receives from the sensor action sensing portion sensed result data and holds time, and the LCD screen backlight power supply in the above-mentioned upper module is controlled.
7. as the screen on-off of pocket pc as described in the claim 6, it is characterized in that:
The move angle of the upper module of the sensor sensing is, from the angle more than initial conditions inclination 70 degree.
8. as the screen on-off of pocket pc as described in the claim 6, it is characterized in that:
Above-mentioned time-delay portion checks whether upper module keeps special angle at the appointed time, i.e. the states of 70 degree to tilt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100401794A CN100380277C (en) | 2005-05-24 | 2005-05-24 | Screen switch of portable personal computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100401794A CN100380277C (en) | 2005-05-24 | 2005-05-24 | Screen switch of portable personal computer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1869863A CN1869863A (en) | 2006-11-29 |
| CN100380277C true CN100380277C (en) | 2008-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100401794A Expired - Fee Related CN100380277C (en) | 2005-05-24 | 2005-05-24 | Screen switch of portable personal computer |
Country Status (1)
| Country | Link |
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| CN (1) | CN100380277C (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050222801A1 (en) | 2004-04-06 | 2005-10-06 | Thomas Wulff | System and method for monitoring a mobile computing product/arrangement |
| US7822513B2 (en) | 2005-07-27 | 2010-10-26 | Symbol Technologies, Inc. | System and method for monitoring a mobile computing product/arrangement |
| US8594742B2 (en) | 2006-06-21 | 2013-11-26 | Symbol Technologies, Inc. | System and method for monitoring a mobile device |
| TWI346281B (en) | 2007-12-03 | 2011-08-01 | Wistron Corp | Method and apparatus for controlling operating mode of a portable electronic device |
| CN101452334B (en) * | 2007-12-07 | 2010-12-29 | 纬创资通股份有限公司 | Operator schema control method for portable electronic device and relevant device |
| CN101751071B (en) * | 2008-12-03 | 2011-12-21 | 和硕联合科技股份有限公司 | Portable computer |
| CN101957653B (en) * | 2009-07-14 | 2014-12-03 | 联想(北京)有限公司 | Portable electronic device and control method thereof |
| CN101667080B (en) * | 2009-09-18 | 2011-12-21 | 明基电通有限公司 | Dual-screen display device and method for controlling same to enter power-saving mode |
| CN102346048A (en) * | 2010-08-02 | 2012-02-08 | 纬创资通股份有限公司 | Power-saving sensing device and method |
| CN102419627B (en) * | 2010-09-28 | 2015-09-30 | 元太科技工业股份有限公司 | E-book and power-supply controller of electric thereof and power control method thereof |
| CN105929930B (en) * | 2016-06-22 | 2019-02-01 | 苏州三星电子电脑有限公司 | The condition control method of laptop and the behavior control device of laptop |
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| JPH09120323A (en) * | 1995-10-25 | 1997-05-06 | Canon Inc | Method and device for power source control and electronic equipment |
| WO2004046651A1 (en) * | 2002-11-15 | 2004-06-03 | Alan George Rock | Level, angle and distance measuring device |
| CN1515975A (en) * | 2003-01-02 | 2004-07-28 | ���ǵ�����ʽ���� | Portable computer for managing power supply consumption, and control method thereof |
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2005
- 2005-05-24 CN CNB2005100401794A patent/CN100380277C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09120323A (en) * | 1995-10-25 | 1997-05-06 | Canon Inc | Method and device for power source control and electronic equipment |
| WO2004046651A1 (en) * | 2002-11-15 | 2004-06-03 | Alan George Rock | Level, angle and distance measuring device |
| CN1515975A (en) * | 2003-01-02 | 2004-07-28 | ���ǵ�����ʽ���� | Portable computer for managing power supply consumption, and control method thereof |
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| Publication number | Publication date |
|---|---|
| CN1869863A (en) | 2006-11-29 |
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Granted publication date: 20080409 |