CN100343868C - Method for avoiding power expenditure of palmtop computer - Google Patents
Method for avoiding power expenditure of palmtop computer Download PDFInfo
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- CN100343868C CN100343868C CNB2004100179910A CN200410017991A CN100343868C CN 100343868 C CN100343868 C CN 100343868C CN B2004100179910 A CNB2004100179910 A CN B2004100179910A CN 200410017991 A CN200410017991 A CN 200410017991A CN 100343868 C CN100343868 C CN 100343868C
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- palmtop computer
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Abstract
The present invention relates to an avoiding power consuming method which is applied to a palm computer. Software is used to detect the usage states of a touch control type screen of a palm computer, the software can identify the state that no people use the computer, and the computer automatically shut down. When the touch control type screen is touched and pressed, the software can calculate the touch and press time. When a touch control pen is used for touching the touch control type screen, the software can calculate the movement distance of the touch control pen. When the screen is touched and pressed beyond allowed time and a touched and pressed point can not move to surpass the preset range, the software can automatically shut down a power supply of the palm computer to avoid power consumption.
Description
Technical field
The invention relates to and a kind ofly avoid improper use and the method for power consumption, and particularly relevant for a kind of method of using in the palmtop computer of avoiding power consumption.
Background technology
PDA(Personal Digital Assistant) or individual digital computer palmtop computers such as (PDC) are hot in recent years high tech electron products, for example electronic dictionary, MP3 music player and palmtop computer etc.Because the little lightweight advantage of PDA or PDC volume makes the user to carry, and the function notebook computer that matches in excellence or beauty.
It is the mode of input that PDA or PDC have usually with the pointer, uses the function that realization has, the realization of for example data information input, operation and hold function etc.When PDA was placed in briefcase or pocket, regular meeting pushed down on ﹠ off switch and causes start because of forgetting shutdown or other hard things.Generally speaking, if not further operation, PDA can shut down at short notice automatically to reduce power consumption.But have hard thing to push down touch control screen sometimes by chance, PDA can take for the people and use and can't shut down automatically.Because open state may have more hundreds of times than off-mode power consumption, so the electricity of PDA is depleted soon in this case.
In order to solve the above problems, the mode of innovation is there's no one who doesn't or isn't done one's utmost to develop to overcome the problem of above-mentioned power consumption by the manufacturer of palmtop computer.
Summary of the invention
Therefore purpose of the present invention is exactly in the method that a kind of identification touch control screen behaviour in service is provided, in order to avoid palmtop computer because of improper use power consumption.
According to above-mentioned purpose of the present invention, propose a kind of method of power consumption of avoiding and comprise the following step at least:
Whether the touched time of monitoring touch control screen surpasses a schedule time;
Whether moving of the touched point of monitoring touch control screen is no more than a preset range; And
When this touch control screen meets above-mentioned two conditions, and other function keys of this palmtop computer are not used and other function is not performed, and this palmtop computer shuts down automatically.
The present invention also provides a kind of palm sized computing device, comprises at least:
One touch control screen sends an analog signal when this touch control screen is touched;
One digital analog converter is changed this analog signal and is become a digital signal; And
One circuit logic, continue to receive this digital signal, use the scope that touched time of this touch control screen of measurement and touch point move, the time touched when touch control screen surpasses a schedule time, touched point moves and does not surpass a preset range, and other function keys of this palmtop computer are not used and other function is not performed, and this circuit logic is closed the power supply of this touch control screen.
By the invention described above preferred embodiment as can be known, use and of the present inventionly avoid improper use and the method for power consumption, can pick out the situation that touch control screen is pressed by hard thing.This can make palmtop computer get rid of the unmanned situation of using, and starting automatic shutdown function, and avoids the situation of power consumption.
Description of drawings
For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, a preferred embodiment cited below particularly, and conjunction with figs. are described in detail below:
Fig. 1 has illustrated a kind of process flow diagram of avoiding non-power consumption method according to a preferred embodiment of the present invention; And
Fig. 2 has illustrated the structure calcspar according to a kind of palmtop computer of another preferred embodiment of the present invention.
Embodiment
In order to solve touch control screen because of pressing the problem that can't shut down automatically, the present invention proposes a kind of method, uses the operatorless situation of identification, and the power supply of closing touch control screen at once is to avoid power consumption.The present invention is a Rule of judgment with following two kinds of general users' use habit: if 1. the user generally can not lift pen for a long time at operation PDA; 2. if the user is at operation PDA, it is motionless generally pointer can not to be parked in a place.If above-mentioned two conditions all are met, will start the automatic shutdown function of PDA.
Please refer to Fig. 1, it has illustrated a kind of process flow diagram of avoiding non-power consumption method according to a preferred embodiment of the present invention.When method of the present invention after a palmtop computer begins to carry out (step 100), if the touch control screen of palmtop computer touched (step 102), just can start clocking capability (step 104) at once.In first above-mentioned Rule of judgment, do not lift the time of pen and can set for example 20 seconds according to user's use habit.In 20 seconds after touch control screen is touched, whether this method constantly touched pressure of monitoring touch control screen removes (step 106).Once touched pressure is removed, clocking capability can reclocking.In 20 seconds after if touch control screen is touched, touched pressure continues to exist, and first Rule of judgment just has been satisfied.
In 20 seconds after touch control screen is touched, touched pressure continues to exist the expression user to have been pushed down by other hard things in use or touch control screen.In order to distinguish both of these case, in this method 20 seconds after touch control screen is touched, can monitor touched whether move (step 110) simultaneously.In addition, the Rule of judgment of this method is also included in the monitoring (step 108) of contact moving range in.Allowing that moving range (2 primitive pixels up and down of for example touched point) moves after touch control screen is touched, this method just judges that touch control screen is pushed down by hard thing, satisfies second Rule of judgment simultaneously.
After above-mentioned two Rule of judgment all are satisfied simultaneously, need judge whether that also other function keys just are being used (step 112) and other functions are being carried out (step 114).After all conditions all were satisfied, this method can start the automatic shutdown function (step 116) of palmtop computer, closes touch control screen power supply (step 118).
Please refer to Fig. 2, it has illustrated the structure calcspar according to a kind of palmtop computer of another preferred embodiment of the present invention.The mode that this method is implemented can be divided into two kinds haply.A kind of is Unit one, inside that the circuit logic of this method is integrated directly into central processing unit 20.Send an analog signal when touch control screen 60 is touched, digital analog converter 50 converts analog signal to digital signal, and sends signal to central processing unit 20.The circuit logic of this method is carried out the scope that touched time of touch control screen and touch point move that measures by the digital signal of accepting.
The another kind of mode of implementing is write this method as software program, is stored in nonvolatile memory 40 or volatile memory 30.Carry out the software program of this method by middle processor 20.Send an analog signal when touch control screen 60 is touched, digital analog converter 50 converts analog signal to digital signal, and sends signal to central processing unit 20.The software program of this method is carried out the scope that touched time of touch control screen and touch point move that measures by the digital signal of accepting.
By the invention described above preferred embodiment as can be known, use and of the present inventionly avoid improper use and the method for power consumption, can pick out the situation that touch control screen is pressed by hard thing.This can make palmtop computer get rid of the unmanned situation of using, and starting automatic shutdown function, and avoids the situation of power consumption.
Though the present invention discloses as above with a preferred embodiment; right its is not in order to limit the present invention; anyly be familiar with present technique field person; without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking accompanying the claim person of defining.
Claims (7)
1. method of avoiding the palmtop computer power consumption comprises the following step at least:
Whether the touched time of monitoring touch control screen surpasses a schedule time;
Whether moving of the touched point of monitoring touch control screen is no more than a preset range; And
When this touch control screen meets above-mentioned two conditions, and other function keys of this palmtop computer are not used and other function is not performed, and this palmtop computer shuts down automatically.
2. the method for avoiding the palmtop computer power consumption as claimed in claim 1 is characterized in that, the touched time of this touch control screen is with computed in software.
3. the method for avoiding the palmtop computer power consumption as claimed in claim 1 is characterized in that, this preset range comprises 2 primitive pixels up and down of this touched point.
4. palm sized computing device comprises at least:
One touch control screen sends an analog signal when this touch control screen is touched;
One digital analog converter is changed this analog signal and is become a digital signal; And
One circuit logic, continue to receive this digital signal, use the scope that touched time of this touch control screen of measurement and touch point move, the time touched when touch control screen surpasses a schedule time, touched point moves and does not surpass a preset range, and other function keys of this palmtop computer are not used and other function is not performed, and this circuit logic is closed the power supply of this touch control screen.
5. palm sized computing device as claimed in claim 4 is characterized in that, this preset range comprises 2 primitive pixels up and down of this touched point.
6. palm sized computing device as claimed in claim 4 is characterized in that, this circuit logic is an integrated circuit.
7. palm sized computing device comprises at least:
One storer;
One touch control screen sends an analog signal when this touch control screen is touched;
One digital analog converter is changed this analog signal and is become a digital signal; And
One software logic is stored in this storer;
One central processing unit, continue to receive this digital signal, and by carrying out this software logic, use the scope that touched time of this touch control screen of measurement and touch point move, the time touched when touch control screen surpasses a schedule time, touched point moves and does not surpass a preset range, and other function keys of this palmtop computer are not used and other function is not performed, and this central processing unit cuts out the power supply of this touch control screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100179910A CN100343868C (en) | 2004-04-28 | 2004-04-28 | Method for avoiding power expenditure of palmtop computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100179910A CN100343868C (en) | 2004-04-28 | 2004-04-28 | Method for avoiding power expenditure of palmtop computer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1691055A CN1691055A (en) | 2005-11-02 |
| CN100343868C true CN100343868C (en) | 2007-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100179910A Active CN100343868C (en) | 2004-04-28 | 2004-04-28 | Method for avoiding power expenditure of palmtop computer |
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| Country | Link |
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| CN (1) | CN100343868C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8125456B2 (en) * | 2007-01-03 | 2012-02-28 | Apple Inc. | Multi-touch auto scanning |
| CN107479680B (en) * | 2017-08-24 | 2018-04-10 | 南阳师范学院 | A kind of PDA automatic shutdown methods |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5799199A (en) * | 1995-08-07 | 1998-08-25 | Fujitsu Limited | Memory device in which electrical power consumption of power circuit thereof is reduced during an idle state |
| US6195756B1 (en) * | 1997-12-23 | 2001-02-27 | Texas Instruments Incorporated | Power reduction for multiple-instruction-word processors by modification of instruction words |
| CN1298137A (en) * | 1999-11-24 | 2001-06-06 | 郑国书 | Power saving method for active scanning peripheral apparatus |
| US20030020688A1 (en) * | 2001-07-24 | 2003-01-30 | Norskog Allen C. | System and method for reducing power consumption in an optical screen pointing device |
-
2004
- 2004-04-28 CN CNB2004100179910A patent/CN100343868C/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5799199A (en) * | 1995-08-07 | 1998-08-25 | Fujitsu Limited | Memory device in which electrical power consumption of power circuit thereof is reduced during an idle state |
| US6195756B1 (en) * | 1997-12-23 | 2001-02-27 | Texas Instruments Incorporated | Power reduction for multiple-instruction-word processors by modification of instruction words |
| CN1298137A (en) * | 1999-11-24 | 2001-06-06 | 郑国书 | Power saving method for active scanning peripheral apparatus |
| US20030020688A1 (en) * | 2001-07-24 | 2003-01-30 | Norskog Allen C. | System and method for reducing power consumption in an optical screen pointing device |
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| CN1691055A (en) | 2005-11-02 |
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Owner name: BEIJING Z-GOOD TECHNOLOGY SERVICE CO., LTD. Free format text: FORMER OWNER: YINGHUADA (SHANGHAI) ELECTRONICS CO LTD. Effective date: 20150708 |
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Effective date of registration: 20150708 Address after: 100085 Beijing city Haidian District No. 33 Xiaoying Road 1 1F06 room Patentee after: BEIJING ZHIGU TECHNOLOGY SERVICES CO., LTD. Address before: 200233 Shanghai City Guiqin Road No. 7 Patentee before: Inventec (Shanghai) Electronics Co., Ltd. |