CN100405275C - Electricity-saving device for wireless optical mouse and method thereof - Google Patents
Electricity-saving device for wireless optical mouse and method thereof Download PDFInfo
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- CN100405275C CN100405275C CNB2005100885504A CN200510088550A CN100405275C CN 100405275 C CN100405275 C CN 100405275C CN B2005100885504 A CNB2005100885504 A CN B2005100885504A CN 200510088550 A CN200510088550 A CN 200510088550A CN 100405275 C CN100405275 C CN 100405275C
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- 230000003287 optical effect Effects 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims description 14
- 238000001514 detection method Methods 0.000 claims abstract description 51
- 230000007958 sleep Effects 0.000 claims abstract description 49
- 230000010355 oscillation Effects 0.000 claims abstract description 19
- 230000005611 electricity Effects 0.000 claims description 22
- 239000013078 crystal Substances 0.000 claims description 8
- 230000003534 oscillatory effect Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 206010041349 Somnolence Diseases 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000002618 waking effect Effects 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
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Abstract
The related power-saving device for a wireless optical mouse comprises: a MPU connected with a wireless emission/receive module, an oscillation-frequency control circuit to switch frequency to execute RC oscillation inside IC when the photosensitive unit detection IC is sleepy or switch frequency into external oscillation for work state of the photosensitive unit detection IC, a LED control circuit to control LED and detect the mouse moving, a control circuit for detection unit to enable one unit working when the circuit is sleepy or else enable all units working, and a sleep and wake-up control circuit to decide state according to output of last circuit.
Description
Technical field
The present invention relates to a kind of electricity saver and method of wireless optical mouse, the detection integrated circuit (CMOS Sensor IC) that relates in particular to a kind of photo-sensitive cell at wireless optical mouse is done an improvement, make wireless optical mouse in the state of sleep, reach best power down mode, whether simultaneously also can detect wireless optical mouse in sleep state has mobile, if wake the detection integrated circuit and the microcontroller of photo-sensitive cell when generation is mobile up with the speed of being exceedingly fast, to enter normal duty, in order to reach the wireless optical mouse structure of taking into account power saving and ease of use.
Background technology
The rapid of ten minutes developed in the periphery of computing machine, especially optical mouse replaces the mouse of traditional type spin, therefore it is more accurate to do moving of cursor on computers, and do not need to use the inconvenience that mouse pad increases friction force as conventional mouse, more since optical mouse further by wired wireless technology that develops into, therefore commercially available dry cell must be installed as power supply in mouse inside, therefore the power conservation techniques that develops wireless optical mouse is very important, though general wireless optical mouse all possesses the function that power saving is arranged, but often the effect of power saving is not satisfactory, how to reach to reach for a long time service time and save the battery expense, become important problem.
The electricity saving method of general known wireless optical mouse is divided into two kinds haply, first kind for utilizing a microcontroller (Micro Control Unit, MCU) send one " low electric power " (Power Down) signal and give the detection integrated circuit of photo-sensitive cell, or directly the power supply of the detection integrated circuit of photo-sensitive cell is directly done and cut off action, make microcontroller enter sleep state again and reach the purpose of saving energy, but when waking this wireless optical mouse up, must utilize the action of pressing keys to wake microcontroller up, microcontroller makes the detection integrated circuit of photo-sensitive cell break away from the pattern of low electric power again, or to the power up power supply action of the detection integrated circuit of photo-sensitive cell, but being the button that the user must push mouse, the shortcoming of this kind method just can make the wireless optical mouse regular event, and the rolling mouse position also can't make this mouse break away from sleep pattern, and inconvenience considerably seems for the user.
Second method is that wireless optical mouse is not when moving after a while, will enter sleep state, whether the detection integrated circuit of photo-sensitive cell must detect mouse constantly at this moment has mobile, if sometimes, then wake work up, must push button and can carry out the inconvenience of wake actions though this kind half asleep pattern can be improved the former, it is because of being in the state that dysnystaxis is slept, and it is undesirable than the former electrically that Gu Qi economizes.
The present invention is a kind of wireless optical mouse electricity saver, can improve aforementioned two known mouses and economize shortcoming electrically not good and that wake operation is difficult for, has and takes into account the wireless optical mouse structure that province electrically reaches ease of use.
Summary of the invention
Based on the shortcoming that solves the above known technology, fundamental purpose of the present invention is done an improvement at the detection integrated circuit (CMOS Sensor IC) of the photo-sensitive cell of wireless optical mouse, make wireless optical mouse in the state of sleep, reach best power down mode, whether simultaneously also can detect wireless optical mouse in sleep state has mobile, if wake the detection integrated circuit and the microcontroller of photo-sensitive cell when generation is mobile up with the speed of being exceedingly fast, to enter normal duty, take into account the wireless optical mouse structure that province electrically reaches ease of use in order to reach.
In order to achieve the above object, the present invention proposes a kind of electricity saver of wireless optical mouse, and it includes:
One microcontroller is in order to the action of the detection integrated circuit of sense of control optical element;
One wireless transmission/reception module is connected with microcontroller, in order to computing machine on corresponding wave point transmit electronic signal mutually;
One oscillation frequency control circuit, when the detection integrated circuit of photo-sensitive cell is sleep state, the RC that frequency of operation switches to the detection IC interior of photo-sensitive cell carries out vibration, when the detection integrated circuit of photo-sensitive cell was duty, frequency of operation switched to the external crystal oscillatory circuit and carries out vibration;
One LED control circuit in order to the work of control light emitting diode, and detects moving of wireless optical mouse;
One sensing cell control circuit when the detection integrated circuit of photo-sensitive cell is sleep state, only causes a sensing cell job, when the detection survey integrated circuit of photo-sensitive cell is duty, causes whole sensing cell work; And
One sleep and wake-up control circuit decides sleep and wake-up states according to the output of this detecting unit control circuit.
In order to achieve the above object, the present invention proposes a kind of wireless optical mouse electricity saving method, and it includes the following step:
(1) one sleep and wake-up control circuit detect wireless optical mouse and whether have surpassed a Preset Time and not mobile;
(2) utilizing sleep and wake-up control circuit to send control signal makes wireless optical mouse carry out sleep state;
(3) one sensing cell control circuits only cause a sensing cell job;
(4) frequency of operation of oscillation frequency control circuit switches to the RC execution vibration of the detection IC interior of photo-sensitive cell;
(5) one LED control circuit are opened light emitting diode in an intermittent action;
(6) utilize sleep and wake-up control circuit to judge according to the described output that is caused unique sensing cell of work whether wireless optical mouse moves;
(7) utilizing sleep and wake-up control circuit to send control signal makes wireless optical mouse carry out duty;
(8) the sensing cell control circuit causes whole sensing cell work;
(9) frequency of operation of oscillation frequency control circuit switches to the detection integrated circuit external crystal oscillatory circuit execution vibration of photo-sensitive cell; And
(10) LED control circuit is opened light emitting diode in a permanent action.
For further the present invention being had more deep explanation, be by the following drawings, figure number explanation and detailed description of the invention.
Description of drawings
Fig. 1 is the function frame assumption diagram of wireless optical mouse electricity saver of the present invention;
Fig. 2 is the flowchart of wireless optical mouse electricity saving method of the present invention.
Wherein, description of reference numerals is as follows:
1～wireless transmit receiver module, 2～microcontroller
Detection integrated circuit 31～RC oscillatory circuit of 3～photo-sensitive cell
32～oscillation frequency control circuit, 33～crystal oscillating circuit
34～sleep and wake-up control circuit 35～LED control circuit
36～sensing cell control circuit, 37～sensing cell
41～one sleeps and wake-up control circuit detect wireless optical mouse and whether have surpassed a Preset Time and not mobile
42～utilization sleep and wake-up control circuit are sent control signal makes wireless optical mouse carry out sleep state
43～one sensing cell control circuits only cause a sensing cell action
The RC that the frequency of operation of 44～oscillation frequency control circuit switches to the detection IC interior of photo-sensitive cell carries out vibration
45～one LED control circuit are opened light emitting diode in an intermittent action
46～utilize sleep and wake-up control circuit to judge according to the output that is caused unique sensing cell of work whether wireless optical mouse moves
47～utilization sleep and wake-up control circuit are sent control signal makes wireless optical mouse carry out duty
48～sensing cell control circuit causes whole sensing cell actions
The frequency of operation of 49～oscillation frequency control circuit switches to the detection integrated circuit external crystal oscillatory circuit of photo-sensitive cell and carries out vibration
50～LED control circuit is opened light emitting diode in a permanent action
Embodiment
Cooperate following description of drawings detailed structure of the present invention, and connection relationship.See also shown in Figure 1ly, it is the function frame assumption diagram of wireless optical mouse electricity saver of the present invention, comprising following member is arranged:
One microcontroller is in order to the work of the detection integrated circuit of sense of control optical element;
One wireless transmission/reception module is connected with microcontroller, in order to computing machine on corresponding wave point transmit electronic signal mutually;
The detection integrated circuit of one photo-sensitive cell (CMOS Sensor IC), this photo-sensitive cell be a complementary metal oxide semiconductor (Complementary Metal-Oxide Semiconductor CMOS) constitutes, and it includes following member:
One oscillation frequency control circuit, this oscillation frequency control circuit is constituted by separating multiplexer, when the detection integrated circuit of photo-sensitive cell is sleep state, the RC that frequency of operation switches to the detection IC interior of photo-sensitive cell carries out vibration, when the detection integrated circuit of photo-sensitive cell was duty, frequency of operation switched to the external crystal oscillatory circuit and carries out vibration;
One LED control circuit, it can utilize a logical circuit to constitute, and in order to the action of control light emitting diode (LED), and detects moving of wireless optical mouse;
One sensing cell control circuit, it can utilize a logical circuit to constitute, and when the detection integrated circuit of photo-sensitive cell is sleep state, only causes a sensing cell job, when the detection integrated circuit of photo-sensitive cell is duty, cause whole sensing cell work; And
One sleep and wake-up control circuit, this sleep and wake-up control circuit are constituted by a timing circuit and a comparator circuit, decide according to the output of this sensing cell control circuit and sleep and wake-up states.The electricity saver of a kind of wireless optical mouse of the present invention, do not changing under user's the use habit situation, and the province that can take into account wireless optical mouse electrically reaches the convenience in the use, after wireless optical mouse did not use in a period of time, the detection integrated circuit of its photo-sensitive cell (CMOS Sensor IC) will enter the state of sleep automatically, microcontroller also enters sleep state afterwards, therefore wireless optical mouse can enter a best power down mode, and the only surplus sensing cell (Sensor Cell) of the detection integrated circuit of photo-sensitive cell is for moving, simultaneously oscillation frequency (frequency of operation) is switched to the RC vibration of the detection IC interior of photo-sensitive cell, and can reduce the power consumption of the detection integrated circuit of photo-sensitive cell, when the detection integrated circuit of photo-sensitive cell is in sleep state, but the detection integrated circuit of photo-sensitive cell is time opening light emitting diode (LED) still, the output that detects sensing cell simultaneously changes whether exceed default scope, if when exceeding, promptly represent mouse to produce shift action, control circuit in the detection integrated circuit of photo-sensitive cell will wake up and oneself enter normal duty at this moment, can start simultaneously whole sensing cells of the detection integrated circuit of photo-sensitive cell, and oscillation frequency is returned the oscillator that switches to the outside carry out, send a control signal again to wake microcontroller up, just can carry out normal action.
See also shown in Figure 2ly, it is the flowchart of wireless optical mouse electricity saving method of the present invention, and it includes the following step:
(1) one sleep and wake-up control circuit detect wireless optical mouse and whether have surpassed a Preset Time and move, if not the time, continue execution in step (1); In the time of if yes, execution in step (2);
(2) utilizing sleep and wake-up control circuit to send control signal makes wireless optical mouse carry out sleep state;
(3) one sensing cell control circuits only cause a sensing cell job;
(4) frequency of operation of oscillation frequency control circuit switches to the RC execution vibration of the detection IC interior of photo-sensitive cell;
(5) one LED control circuit are opened light emitting diode in an intermittent action;
(6) utilize sleep and wake-up control circuit to judge according to the described output that is caused unique sensing cell of work whether wireless optical mouse moves, if not the time, lasting execution in step (6); In the time of if yes, execution in step (7);
(7) utilizing sleep and wake-up control circuit to send control signal makes wireless optical mouse carry out duty;
(8) the sensing cell control circuit causes whole sensing cell work;
(9) frequency of operation of oscillation frequency control circuit switches to the detection integrated circuit external crystal oscillatory circuit execution vibration of photo-sensitive cell; And
(10) LED control circuit is opened light emitting diode in a permanent action, treat that step (8) is all finished to (10) after, and continue execution in step (1).
By above-mentioned Fig. 1,2 disclose, can understand the detection integrated circuit (CMOS Sensor IC) that the present invention is mainly at the photo-sensitive cell of wireless optical mouse and do an improvement, make wireless optical mouse in the state of sleep, reach best power down mode, whether simultaneously also can detect wireless optical mouse in sleep state has mobile, if wake the detection integrated circuit and the microcontroller of photo-sensitive cell when generation is mobile up with the speed of being exceedingly fast, to enter normal duty, take into account the wireless optical mouse structure that province electrically reaches ease of use in order to reach, on market, have high commercial value.
The above only is preferred embodiment of the present invention, can not with the scope implemented of qualification the present invention, promptly every variation and modification of doing according to claims of the present invention all should still belong in the scope that patent of the present invention contains.
Claims (11)
1. the electricity saver of a wireless optical mouse, it includes:
One microcontroller is in order to the action of the detection integrated circuit of sense of control optical element;
One wireless transmission/reception module is connected with microcontroller, in order to computing machine on corresponding wave point transmit electronic signal mutually;
One oscillation frequency control circuit, when the detection integrated circuit of photo-sensitive cell is sleep state, the RC that frequency of operation switches to the detection IC interior of photo-sensitive cell carries out vibration, when the detection integrated circuit of photo-sensitive cell was duty, frequency of operation switched to the external crystal oscillatory circuit and carries out vibration;
One LED control circuit in order to the work of control light emitting diode, and detects moving of wireless optical mouse;
One sensing cell control circuit when the detection integrated circuit of photo-sensitive cell is sleep state, only causes a sensing cell job, when the detection integrated circuit of photo-sensitive cell is duty, causes whole sensing cell work; And
One sleep and wake-up control circuit decides sleep and wake-up states according to the output of this sensing cell control circuit.
2. the electricity saver of wireless optical mouse as claimed in claim 1, it is characterized in that this oscillation frequency control circuit, LED control circuit, sensing cell control circuit and sleep and wake-up control circuit are the inside that is arranged at the detection integrated circuit of photo-sensitive cell.
3. the electricity saver of wireless optical mouse as claimed in claim 1 is characterized in that, this photo-sensitive cell is constituted by a complementary metal oxide semiconductor.
4. the electricity saver of wireless optical mouse as claimed in claim 1 is characterized in that, this oscillation frequency control circuit is constituted by separating multiplexer.
5. the electricity saver of wireless optical mouse as claimed in claim 1 is characterized in that, this sleep and wake-up control circuit are constituted by a timing circuit and a comparator circuit.
6. the electricity saver of wireless optical mouse as claimed in claim 1 is characterized in that, this LED control circuit is constituted by a logical circuit.
7. as the electricity saver of claim the 1 described wireless optical mouse, it is characterized in that this sensing cell control circuit is constituted by a logical circuit.
8. the electricity saving method of a wireless optical mouse, it includes the following step:
(A) whether a sleep and wake-up control circuit detect wireless optical mouse above a Preset Time and mobile;
(B) utilizing sleep and wake-up control circuit to send control signal makes wireless optical mouse carry out sleep state;
(C) a sensing cell control circuit only causes a sensing cell job;
(D) frequency of operation of oscillation frequency control circuit switches to the RC execution vibration of the detection IC interior of photo-sensitive cell;
(E) LED control circuit is opened light emitting diode in an intermittent action;
(F) utilize sleep and wake-up control circuit to judge according to the described output that is caused unique sensing cell of work whether wireless optical mouse moves;
(G) utilizing sleep and wake-up control circuit to send control signal makes wireless optical mouse carry out duty;
(H) the sensing cell control circuit causes whole sensing cell work;
(I) frequency of operation of oscillation frequency control circuit switches to the detection integrated circuit external crystal oscillatory circuit execution vibration of photo-sensitive cell; And
(J) LED control circuit is opened light emitting diode in a permanent action.
9. the electricity saving method of wireless optical mouse as claimed in claim 8 is characterized in that, the result of this step (A) then continues execution in step (A) for not the time; In the time of if yes, execution in step (B).
10. the electricity saving method of wireless optical mouse as claimed in claim 8 is characterized in that, the result of this step (F) continues execution in step (F) for not the time; In the time of if yes, execution in step (G).
11. the electricity saving method of wireless optical mouse as claimed in claim 8 is characterized in that, after this step (H), (I), (J) all finish, and continues execution in step (A).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100885504A CN100405275C (en) | 2005-08-04 | 2005-08-04 | Electricity-saving device for wireless optical mouse and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100885504A CN100405275C (en) | 2005-08-04 | 2005-08-04 | Electricity-saving device for wireless optical mouse and method thereof |
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| Publication Number | Publication Date |
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| CN1908875A CN1908875A (en) | 2007-02-07 |
| CN100405275C true CN100405275C (en) | 2008-07-23 |
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| CNB2005100885504A Expired - Fee Related CN100405275C (en) | 2005-08-04 | 2005-08-04 | Electricity-saving device for wireless optical mouse and method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102377708B (en) * | 2010-08-13 | 2014-03-12 | 国基电子（上海）有限公司 | Modem |
| CN103425275A (en) * | 2012-05-17 | 2013-12-04 | 原相科技股份有限公司 | Sensing module and sensing method both applied to optical mouse and provided with electricity-saving function |
| CN103593066A (en) * | 2012-08-16 | 2014-02-19 | 致伸科技股份有限公司 | Power saving method of wheeled mouse |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2522923Y (en) * | 2002-01-16 | 2002-11-27 | 英群企业股份有限公司 | Electricity-saving control device |
| US20030179183A1 (en) * | 2002-03-20 | 2003-09-25 | Yuan-Chen Lee | Wireless mouse having a micro movement sensor for sensing a movement thereof |
| JP2004220110A (en) * | 2003-01-09 | 2004-08-05 | Sony Corp | External input device |
| JP2005092341A (en) * | 2003-09-12 | 2005-04-07 | Alps Electric Co Ltd | Radio type input device |
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- 2005-08-04 CN CNB2005100885504A patent/CN100405275C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2522923Y (en) * | 2002-01-16 | 2002-11-27 | 英群企业股份有限公司 | Electricity-saving control device |
| US20030179183A1 (en) * | 2002-03-20 | 2003-09-25 | Yuan-Chen Lee | Wireless mouse having a micro movement sensor for sensing a movement thereof |
| JP2004220110A (en) * | 2003-01-09 | 2004-08-05 | Sony Corp | External input device |
| JP2005092341A (en) * | 2003-09-12 | 2005-04-07 | Alps Electric Co Ltd | Radio type input device |
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Granted publication date: 20080723 Termination date: 20100804 |