CN102346533A - Electronic device with power-saving mode and method for controlling electronic device to enter power-saving mode - Google Patents
Electronic device with power-saving mode and method for controlling electronic device to enter power-saving mode Download PDFInfo
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- CN102346533A CN102346533A CN2010102402222A CN201010240222A CN102346533A CN 102346533 A CN102346533 A CN 102346533A CN 2010102402222 A CN2010102402222 A CN 2010102402222A CN 201010240222 A CN201010240222 A CN 201010240222A CN 102346533 A CN102346533 A CN 102346533A
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Abstract
The invention discloses an electronic device, which can be switched between a power-saving mode and a normal mode automatically. The electronic device comprises a luminous unit, an image acquisition unit and a processing unit, wherein the luminous unit is used for emitting infrared light beams towards the opposite direction of the electronic device; the image acquisition unit is used for acquiring an image of an object in the opposite direction of the electronic device; and the processing unit is used for calculating an eye sight vector according to the acquired image, judging whether eye sight points to the electronic device or not and correspondingly controlling the electronic device to enter the power-saving mode or the normal mode according to a judgment result. The invention also discloses a method for controlling the electronic device to enter the power-saving mode or the normal mode.
Description
Technical field
The present invention relates to the control method of the electronic installation and the corresponding entering battery saving mode of a kind of changeable battery saving mode and normal mode.
Background technology
At present, the Along with people's growth in the living standard, various electronic products are more and more universal.E-book (E-book) shows with information stores such as literal, picture, sound, image and with it, and it compares tradition is that the books advantage of carrier has with the paper: therefore big, the durable and environmental protection of memory capacity is liked by people extensively.
When the user carried the use e-book, e-book was constantly to information such as user's display text, picture, sound, images.When the user forgets when closing e-book, e-book then keeps normal mode of operation and the electric weight of battery consumption storage, so this will influence the follow-up use of user.
Summary of the invention
In view of this, be necessary to invent a kind of electronic installation that gets into battery saving mode, when the user did not use this electronic installation, this electronic installation that automaticallyes switch got into battery saving mode.
A kind of electronic installation, said electronic installation can automatically switch between battery saving mode and the normal mode, and this electronic installation comprises: a luminescence unit is used for sending infrared light beam towards electronic installation over against direction; One image acquisition unit is used to obtain and is positioned at the image of electronic installation over against the object of direction; And a processing unit, be used for going out the eye sight line vector and judging whether eye sight line points to electronic installation according to obtaining image calculation, get into battery saving mode or normal mode according to the corresponding control electronic installation of judged result then.
The present invention also discloses a kind of control method, is used to control electronic installation and gets into battery saving mode automatically and save electric weight.
A kind of control method of battery saving mode, this method may further comprise the steps: launching infrared light beam and obtaining electronic installation the place ahead image over against direction towards electronic installation; Judge whether to detect the eyes bright spot according to obtaining image; If then calculate the sight line vector of eyes; Judge whether the sight line vector of eyes points to electronic installation; If not and state continuance when keeping a period of time, then control electronic installation and get into battery saving mode.
The present invention's electronic installation and control the method that it gets into park mode use this electronics but judges has or not, and then the control electronic installation gets into battery saving mode or normal mode.Therefore can save the electric weight of the battery consumption of electronic installation, be user-friendly to.
Description of drawings
Fig. 1 is the synoptic diagram of electronic installation one preferred embodiments of the present invention.
Fig. 2 is the module map of electronic installation shown in Figure 1.
Fig. 3 is the process flow diagram of its entering battery saving mode of electronic installation control shown in Figure 1.
The main element symbol description
Processing unit 40
Image processing module 41
Computing module 42
Judge module 43
Control module 44
Embodiment
See also Fig. 1, be the synoptic diagram of electronic installation 10 of the present invention.Said electronic installation 10 comprises a luminescence unit 20, an image acquisition unit 30 and a processing unit 40 (as shown in Figure 2).This electronic installation 10 can be electronic installations such as e-book, digital photo frame, mobile phone.
Said luminescence unit 20 is used for sending infrared light beam towards electronic installation over against direction.Said image acquisition unit 30 is used to obtain and is positioned at the image of electronic installation over against the object of direction.
Said luminescence unit 20 comprises the LED lamp of two spaced sets in image acquisition unit 30 both sides; Said image acquisition unit 30 is a CMOS type camera.Said luminescence unit 20 is installed in the electronic installation 10 with image acquisition unit 30 and can carries out the adjustment of angle up and down.
Please consult Fig. 2 in the lump, said processing unit 40 comprises an image processing module 41, a computing module 42, a judge module 43 and a control module 44.
During towards electronic installation 1 positive, will produce bright spot during the infrared light beam irradiation people's that said luminescence unit 20 sends eyes as the people, 30 of said image acquisition units obtain image and then comprise the eyes bright spot.
Said image processing module 41 is used for 30 of analysis image acquiring units and obtains image and judged whether the eyeball bright spot, and obtains the position that obtains this eyeball bright spot and pupil center when the eyeball bright spot is arranged in the image at this.
Said computing module 42 is used for calculating the sight line vector that calculates eyes behind the CC position according to eyeball bright spot and pupil center, promptly calculates the direction of visual lines of eyes.Method according to eyeball bright spot and pupil center's calculating eye sight line vector specifically please refer to No. 20090015788 patented claim of the U.S..
Said judge module 43 is used to judge whether the sight line vector of eyes points to electronic installation 10.
Said control module 44 is used for getting into battery saving mode or normal mode of operation according to the judged result control electronic installation 10 of judge module 43; Promptly; When control module 44 judges that at this judge module 43 sight line vector of eyes is pointed to electronic installation 10; The expression user is just using this electronic installation 10 before electronic installation 10, keep electronic installation 10 in normal mode of operation this moment.When this judge module 43 judges that the sight line vector of eyes is not pointed to the display panel of electronic installation 10; And when the state continuance that the sight line vector of eyes is not pointed to electronic installation 10 was kept a period of time (for example 10 seconds), control electronic installation 10 got into battery saving modes.Wherein, under this battery saving mode, this electronic installation 10 stops to show or play operation.
Embodiment of the present invention also provides a kind of method that electronic installation 10 gets into battery saving mode of controlling.See also Fig. 3, this control method may further comprise the steps:
Step S301: launching infrared light beam and obtaining electronic installation the place ahead image towards electronic installation 10 over against direction.Specifically, luminescence unit 20 penetrates infrared light beam, simultaneously the place ahead image photographic of 30 pairs of electronic installations 10 of image acquisition unit.
Step S302: image processing module 41 obtains image according to 30 of image acquisition units and judges whether to detect the eyes bright spot.
If do not detect the eyes bright spot, execution in step S307 then, otherwise execution in step S303:
Image processing module 41 obtains the position of this eyeball bright spot and pupil center.
Step S304: computing module calculates the sight line vector of eyes according to the center of eyeball bright spot and pupil.
Step S305: judge module 43 judges whether the sight line vector of eyes points to electronic installation 10.
If sight line vector is pointed to electronic installation, then execution in step 306: control module 44 is kept electronic installation 10 at normal mode.
If sight line vector is not pointed to electronic installation 1 and state continuance when keeping a period of time (for example 10 seconds), then execution in step S307: control module 44 control electronic installations 10 get into battery saving modes.
Claims (10)
1. electronic installation, said electronic installation can automatically switch between battery saving mode and the normal mode, it is characterized in that, and this electronic installation comprises:
One luminescence unit is used for sending infrared light beam towards electronic installation over against direction;
One image acquisition unit is used to obtain and is positioned at the image of electronic installation over against the object of direction; And
One processing unit is used for going out the eye sight line vector and judging whether eye sight line points to electronic installation according to obtaining image calculation, gets into battery saving mode or normal mode according to the corresponding control electronic installation of judged result then.
2. electronic installation according to claim 1; It is characterized in that; When said processing unit judges that eye sight line does not point to electronic installation and state continuance and keeps a period of time; The control electronic installation gets into battery saving mode, and when said processing unit judged that the eye sight line vector points to electronic installation, the control electronic installation got into normal mode.
3. electronic installation according to claim 1 is characterized in that, said processing unit comprises:
One image processing module is used for analyzing institute's image that obtains and judges whether image has the eyeball bright spot, and obtains the position that obtains this eyeball bright spot and pupil center when the eyeball bright spot is arranged in the image at this;
One computing module is used for calculating the sight line vector that calculates eyes behind the CC position according to eyeball bright spot and pupil center, promptly calculates the direction of visual lines of eyes;
One judge module is used to judge whether the sight line vector of eyes points to electronic installation; And
One control module is used for getting into battery saving mode or normal mode according to the judged result control electronic installation of judge module.
4. electronic installation according to claim 1 is characterized in that: said electronic installation is e-book, digital photo frame or mobile phone.
5. electronic installation according to claim 1 is characterized in that: said luminescence unit comprises that 2 spaced sets are in the LED of image acquisition unit both sides lamp.
6. electronic installation according to claim 1 is characterized in that: said image acquisition unit is a CMOS camera.
7. the control method of a battery saving mode is characterized in that, this method may further comprise the steps:
Launching infrared light beam and obtaining electronic installation the place ahead image towards electronic installation over against direction;
Judge whether to detect the eyes bright spot according to obtaining image;
If then calculate the sight line vector of eyes;
Judge whether the sight line vector of eyes points to electronic installation;
If not and state continuance when keeping a period of time, then control electronic installation and get into battery saving mode.
8. control method according to claim 7; It is characterized in that; This method also comprises step: if said step " judges whether to detect the eyes bright spot according to obtaining image " for not and state continuance when keeping a period of time, then control electronic installation and get into battery saving mode.
9. control method according to claim 7 is characterized in that: said step " is calculated the sight line vector of eyes " and is specifically comprised:
Obtain this eyeball bright spot and pupil center location;
Calculate the sight line vector of eyes according to eyeball bright spot and pupil center location.
10. control method according to claim 7 is characterized in that, this method also comprises step: if said step " whether the sight line vector of judging eyes points to electronic installation " is for being then to keep electronic installation at normal mode.
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CN2010102402222A CN102346533A (en) | 2010-07-29 | 2010-07-29 | Electronic device with power-saving mode and method for controlling electronic device to enter power-saving mode |
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CN2010102402222A CN102346533A (en) | 2010-07-29 | 2010-07-29 | Electronic device with power-saving mode and method for controlling electronic device to enter power-saving mode |
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Cited By (2)
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CN104219412A (en) * | 2013-05-29 | 2014-12-17 | 柯尼卡美能达株式会社 | Information processing apparatus, image forming apparatus, non-transitory computer-readable recording medium encoded with remote operation program, and non-transitory computer-readable recording medium encoded with remote control program |
CN105786156A (en) * | 2016-02-23 | 2016-07-20 | 广东欧珀移动通信有限公司 | Terminal device electricity saving method and device and terminal device |
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US20090015788A1 (en) * | 2004-09-29 | 2009-01-15 | Dotan Knaan | Sight Line Detecting Method |
CN101393602A (en) * | 2007-09-18 | 2009-03-25 | 财团法人车辆研究测试中心 | Eye identifying and tracing method and apparatus for personnel monitor |
CN101452335A (en) * | 2007-12-06 | 2009-06-10 | 鸿富锦精密工业(深圳)有限公司 | Electricity-saving control system for computer and method |
CN101542439A (en) * | 2007-07-05 | 2009-09-23 | 松下电器产业株式会社 | Data processing device, data processing method, data processing program, recording medium, and integrated circuit |
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US20090015788A1 (en) * | 2004-09-29 | 2009-01-15 | Dotan Knaan | Sight Line Detecting Method |
CN101136198A (en) * | 2006-08-29 | 2008-03-05 | 爱信艾达株式会社 | Voice recognition method and voice recognition apparatus |
CN101542439A (en) * | 2007-07-05 | 2009-09-23 | 松下电器产业株式会社 | Data processing device, data processing method, data processing program, recording medium, and integrated circuit |
CN101393602A (en) * | 2007-09-18 | 2009-03-25 | 财团法人车辆研究测试中心 | Eye identifying and tracing method and apparatus for personnel monitor |
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CN105786156A (en) * | 2016-02-23 | 2016-07-20 | 广东欧珀移动通信有限公司 | Terminal device electricity saving method and device and terminal device |
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Application publication date: 20120208 |