CN102012264A - Handheld device for detecting ambient light illumination - Google Patents
Handheld device for detecting ambient light illumination Download PDFInfo
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- CN102012264A CN102012264A CN201010509941XA CN201010509941A CN102012264A CN 102012264 A CN102012264 A CN 102012264A CN 201010509941X A CN201010509941X A CN 201010509941XA CN 201010509941 A CN201010509941 A CN 201010509941A CN 102012264 A CN102012264 A CN 102012264A
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Abstract
The invention relates to a handheld device for detecting environment light illumination. The handheld device comprises a detection unit used for detecting an ambient light so as to generate a sense signal, and a conversion unit which is coupled to the detection unit, receives the sense signal to generate an illumination value of the ambient light according to sense signal and provides the illumination value of the present environment for a user. The handheld device correspondingly generates the illumination value of the ambient light through the conversion unit according to the sense signal produced by the detection unit detecting the ambient light, and enables the user to know whether the present environment is suitable for reading.
Description
Technical field
The invention relates to a kind of hand-held device, it is a kind of hand-held device of detecting the illumination of surround lighting of outstanding finger.
Background technology
Surround lighting detector now, be meant that reaction frequency spectrum to the light source of different wave length is similar to International Commission on Illumination (CIE) and in nineteen twenty-four the reaction of human eye vision is worked up the standard reaction function that wavelength peak is 555nm (that is luminosity function (Photopic Luminuous Function), abbreviate V (λ) as), have the optical detector identical to the susceptibility of light with human eye.
In recent years, enhancing along with this hand-held device multimedia function, the user has begun to utilize it to come reading electronic book and watch film etc., the user is almost enjoying the convenience that this hand-held device brings whenever and wherever possible, yet, because hand-held device is carrying along with the user normally, and be in different external environment conditions, therefore, a set screen (for example LCDs) on the hand-held device, whether its demonstration backlight remains on best state, to allow this user can utilize it to come reading electronic book and watch film etc. like a cork, promptly seems quite important; But owing to external environment brightness is in the continuous variation, and this screen is under different external environment conditions, the effect that shows can be different, so when under the stronger environment of light, the user can not see the demonstration on this screen of Chu, is easy to generate the eye fatigue phenomenon simultaneously.
At present, the way that industry is traditional provides the user can utilize manual adjusting style, this screen is carried out simple backlight open or closing motion, after this backlight function is activated, no matter be daytime or night, the user is as long as operate set any button on this hand-held device, it is shinny that backlight on this screen is unlocked immediately, or provide the user and can utilize a interface on this hand-held device,, adjust the backlight illumination and the contrast of this screen with manual adjusting style.
Though above-mentioned industry solved the user at night, or under the more weak situation of external environment condition light, use the screen backlight problem of this hand-held device, but, because this screen backlight control mode is the manual adjustment that sees through the user, therefore, the user often feels setting in this adjustment backlight action, comparatively frequent and inconvenient, and lack compatibility, and cause the backlight of this screen, be in for a long time under the user mode of unlatching, consume the electric power of this hand-held device further.
Therefore, how proposing the hand-held device that a kind of novelty can be detected the illumination of surround lighting at the problems referred to above, it can avoid the user because of not seeing the demonstration on this screen of Chu, and produces eye fatigue, and then cause damaging the problem of eyesight, make and can solve the above problems.
Summary of the invention
One of purpose of the present invention, be to provide a kind of hand-held device of detecting the illumination of surround lighting, it is according to the detecting unit detecting sensing signal that surround lighting produced by a microprocessor, and produces a brightness value of surround lighting, learns for the user whether present environment is fit to read.
One of purpose of the present invention; be to provide a kind of hand-held device of detecting the illumination of surround lighting; it compares a brightness value and a threshold value by a comparing unit; when this brightness value is greater than or less than this threshold value; this hand-held device then shows a warning message, informs that the user is to reach protection user's purpose.
To achieve the above object, the present invention is a kind of hand-held device of detecting the illumination of surround lighting, and it comprises:
One detecting unit in order to detect a surround lighting, produces a sensing signal; And
One converting unit couples this detecting unit, and receives this sensing signal, and produces a brightness value of this surround lighting according to this sensing signal, learns this brightness value of present environment for the user.
Among the present invention, wherein this converting unit is this brightness value that produces this surround lighting according to comparison list.
Among the present invention, it more comprises:
One display unit couples this converting unit, to receive and to show this brightness value of this surround lighting.
Among the present invention, it more comprises:
One microprocessor, this converting unit of The built-in, and produce a warning signal according to this brightness value; And
One caution unit couples this microprocessor, and receives this warning signal, and sends a warning message.
Among the present invention, it more comprises:
One microprocessor couples this converting unit, and produces a warning signal according to this brightness value; And
One caution unit couples this microprocessor, and receives this warning signal, and sends a warning message.
Among the present invention, wherein this converting unit and this detecting unit are to be integrated into a chip.
Among the present invention, more comprise:
One storage element couples this converting unit, and in order to store comparison list, and this converting unit receives this sensing signal and correspondence reads this table of comparisons and export this brightness value.
Among the present invention, wherein this sensing signal is a current signal, a voltage signal, a pulse wave width modulation signal or a frequency.
Among the present invention, wherein this converting unit is to produce this brightness value according to this current signal, this voltage signal, this pulse wave width modulation signal or this frequency.
Among the present invention, more comprise:
One comparing unit couples this converting unit, and relatively this brightness value and a threshold value, when this brightness value during greater than this threshold value, this comparing unit produces a warning signal, and transmits this warning signal to caution unit, sends a warning message to order about this caution unit.
Among the present invention, more comprise:
One comparing unit couples this converting unit, and relatively this brightness value and a threshold value, when this brightness value during less than this threshold value, this comparing unit produces a warning signal, and transmits this warning signal to caution unit, sends a warning message to order about this caution unit.
Among the present invention, wherein this caution unit is a display unit or a broadcast unit.
Among the present invention, wherein this hand-held device be a mobile phone or a personal digital assistant (Personal DigitalAssistant, PDA).
Among the present invention, wherein this detecting unit be an optical diode, a photosensitive coupling component (Charge CoupledDevice, CCD) or a complementary metal oxide layer semiconductor (Complementary Metal OxideSemiconductor, CMOS).
The beneficial effect that the present invention has: the hand-held device of detecting the illumination of surround lighting of the present invention is the brightness value of surround lighting by the converting unit conversion detecting unit detecting sensing signal that surround lighting produced, and learns for the user whether present environment is fit to read.
Moreover the present invention compares brightness value and this threshold value by comparing unit, and when brightness value was greater than or less than threshold value, hand-held device then showed a warning message, informs that the user is to reach protection user's purpose.
Description of drawings
Fig. 1 is the calcspar of a preferred embodiment of the present invention;
Fig. 2 is arranged at the synoptic diagram of hand-held device for detecting unit of the present invention;
Fig. 3 is the calcspar of another preferred embodiment of the present invention;
Fig. 4 is the calcspar of another preferred embodiment of the present invention; And
Fig. 5 is the calcspar of another preferred embodiment of the present invention.
[figure number is to as directed]
The present invention:
10 detecting units, 12 display surfaces
15 converting units, 20 microprocessors
30 display units, 32 broadcast units
40 storage elements, 50 first comparing units
52 second comparing units, 60 chips
Embodiment
Further understand and understanding for making architectural feature of the present invention and the effect reached had, cooperate detailed explanation, be described as follows in order to preferred embodiment and accompanying drawing:
See also Fig. 1, be the calcspar of a preferred embodiment of the present invention.As shown in the figure, the hand-held device 1 of detecting the illumination of surround lighting of the present invention comprises a detecting unit 10, a converting unit 15, a microprocessor 20 and a display unit 30.Detecting unit 10 is to produce a sensing signal in order to detect a surround lighting, be that detecting unit 10 can be an optical diode (Photodiode), a photosensitive coupling component (Charge CoupledDevice, CCD) or a complementary metal oxide layer semiconductor (Complementary Metal OxideSemiconductor, CMOS), in this embodiment, be to use optical diode as detecting unit 10, produce the sensing signal with the detecting surround lighting, and the sensing signal be a current signal.Converting unit 15 is to couple detecting unit 10, and receives the sensing signal that detecting unit 10 is produced, and produces a brightness value of surround lighting according to the sensing signal, learns this brightness value of present environment for the user.The converting unit 15 that is this enforcement is according to the detecting unit 10 detecting current signals that surround lighting produced; and the corresponding current signal produces the brightness value of surround lighting; and this brightness value is sent to display unit 30; display unit 30 receives brightness value and shows this brightness value; when allowing the user use hand-held device; whether the light source that can learn present environment in real time is fit to read; when present environment is not suitable for reading (for example the intensity of environment light source is too high or too low); the user can adjust the brightness of display frame voluntarily through hand-held device, and then reaches the purpose of protection user's eyes.
Wherein, hand-held device of the present invention can be a mobile phone or a personal digital assistant (Personal DigitalAssistant, PDA).
In addition, the above-mentioned detecting unit 10 detecting sensing signals that surround lighting produced are that current signal only is a preferred embodiment of the present invention, also can be a voltage signal, corresponding physical quantitys such as a pulse wave width modulation signal or a frequency all can be used as detecting unit 10 detecting surround lightings and the corresponding signal that produces.
See also Fig. 2, be arranged at the synoptic diagram of hand-held device for detecting unit of the present invention.As shown in the figure, the detecting unit 10 of present embodiment is the surface that can be arranged at hand-held device 1, and generally be a display surface 12 that detecting unit 10 is arranged at hand-held device 1, in order to detecting unit 10 sensitive context light intensities, promptly when the user used hand-held device 1, detecting unit 10 can be detected the surround lighting around the hand-held device 1.
Please consult Fig. 1 again, the converting unit 15 of present embodiment produces the brightness value of surround lighting according to the sensing signal method is to change the brightness value that the sensing signal is a surround lighting according to comparison list, be to be built in microprocessor 20 in the converting unit 15 and the table of comparisons, make converting unit 15 when receiving the sensing signal, and from the table of comparisons, seek the pairing brightness value of this sensing signal, wherein, the mode of setting up of the table of comparisons is to be seen through in advance actual measurement and learnt by the research staff, it is the research staff is produced the sensing signal earlier by detecting unit 10 measurement surround lightings electric current, actual again illumination via the actual measurement of illuminometer surround lighting, and set up this table of comparisons.
In addition, the converting unit 15 of present embodiment in addition can be according to a conversion formula, and be converted to the pairing brightness value of sensing signal through software computing sensing signal, above-mentioned conversion formula is electric current, the voltage signal that is produced the sensing signal by the research staff earlier by detecting unit 10 measurement surround lightings, corresponding physical quantitys such as pulse wave width modulation signal or frequency, actual again illumination via the actual measurement of illuminometer surround lighting, and find out relation between the illumination of sensing signal and surround lighting, to obtain this conversion formula.
Moreover the microprocessor 20 of present embodiment is to comprise a high threshold value and a low threshold value.Converting unit 15 is that conversion sensing signal is after the control value, microprocessor 20 is comparison brightness value and high threshold value then, when control value during greater than the high threshold value, represent then that present environment light intensity is too high and be not suitable for reading, at this moment, 20 of microprocessors produce a warning signal, 20 of microprocessors transmit this warning signal to warning the unit (not shown), send a warning message to order about the caution unit, remind the present environment of user to be not suitable for reading, wherein warn the unit and can be display unit 30, be that microprocessor 20 can transmit the warning signal to display unit 30, show warning message to order about display unit 30, and remind the present environment of user to be not suitable for reading; In like manner, microprocessor 20 is comparison brightness value and low threshold value, when brightness value during less than low threshold value, represent then that present environment light intensity is too weak and be not suitable for reading, at this moment, 20 of microprocessors produce the warning signal, and should warn signal to be sent to display unit 30, show warning message to order about display unit 30.In addition, caution of the present invention unit also can be a broadcast unit 32.Broadcast unit 32 couples microprocessor 20, and receives the warning signal, and sends a warning sound, to inform that the present environment of user is not suitable for reading.
See also Fig. 3, be the calcspar of another preferred embodiment of the present invention.As shown in the figure, the hand-held device of the illumination of the surround lighting detected of present embodiment and Fig. 1 difference are that present embodiment more comprises a storage element 40.Storage element 40 couples converting unit 15, in order to store the table of comparisons, when converting unit 15 receives the sensing signal, then can corresponding sensing signal and read the stored table of comparisons of storage element 40, and find out corresponding sensing signal and brightness value.Moreover the hand-held device of present embodiment more comprises one first comparing unit 50 and one second comparing unit 52.First comparing unit 50 couples microprocessor 20, and the brightness value of first comparing unit, 50 reception microprocessors, 20 transmission, and relatively this brightness value and high threshold value, when brightness value during greater than the high threshold value, 50 of first comparing units produce one first warning signal, and transmit the first warning signal to display unit 30 and broadcast unit 32, be not suitable for reading to remind the present environment of user.Second comparing unit 52 is to couple microprocessor 50, and second comparing unit 52 receive brightness value that microprocessors 20 transmit and relatively this brightness value and low threshold value, when brightness value during less than low threshold value, 50 of second comparing units produce one second warning signal, and transmit the second warning signal to display unit 30 and broadcast unit 32, be not suitable for reading to remind the present environment of user.
See also Fig. 4, be the calcspar of another preferred embodiment of invention.As shown in the figure, the hand-held device 1 of the illumination of the surround lighting detected of present embodiment and the embodiment difference of Fig. 3, the converting unit 15 that is present embodiment is not built in the microprocessor 20 in being, but receive the sensing signal separately, and produce brightness value according to the storage element 40 stored tables of comparisons, and brightness value is sent to first comparing unit 50 and second comparing unit 52, produce the warning signal to compare and learn that for the user present environment is not suitable for reading.In addition, the converting unit 15 of present embodiment also can be according to conversion formula, and be converted to the pairing brightness value of sensing signal through software computing sensing signal, and then driving caution unit (in this embodiment, the caution unit is broadcast unit 32 and display unit 30) supplies the user to learn that present environment is not suitable for reading.
See also Fig. 5, calcspar for another preferred embodiment of the present invention, as shown in the figure, the hand-held device 1 and the above-mentioned difference of the illumination of the surround lighting detected of present embodiment, the converting unit 15 that is present embodiment is integrated into a chip 60 with detecting unit 10, and the brightness value after will changing is sent to microprocessor 20, to judge whether present environment is fit to read, when present environment is not suitable for reading, 20 of microprocessors produce the warning signal and are sent to display unit 30 and broadcast unit 32, be not suitable for reading with the present environment of warning user, allow the user can find the environment that is fit to reading well.
In sum, the hand-held device of detecting the illumination of surround lighting of the present invention is by a detecting unit, produce a sensing signal in order to detect a surround lighting, one microprocessor couples this detecting unit, and receive this sensing signal, and according to the sensing signal, and produce a brightness value of this surround lighting, one display unit couples this microprocessor, to receive and to show this brightness value of this surround lighting.So, the present invention is to be the brightness value of surround lighting by the microprocessor conversion detecting unit detecting sensing signal that surround lighting produced, and can adjust the brightness of display frame voluntarily, and then reaches protection user's purpose.
In sum, it only is a preferred embodiment of the present invention, be not to be used for limiting scope of the invention process, all equalizations of doing according to the described shape of claim scope of the present invention, structure, feature and spirit change and modify, and all should be included in the claim scope of the present invention.
Claims (14)
1. the hand-held device that can detect the illumination of surround lighting is characterized in that it comprises:
One detecting unit in order to detect a surround lighting, produces a sensing signal; And
One converting unit couples this detecting unit, and receives this sensing signal, and produces a brightness value of this surround lighting according to this sensing signal, learns this brightness value of present environment for the user.
2. the hand-held device of detecting the illumination of surround lighting as claimed in claim 1 is characterized in that, wherein this converting unit is this brightness value that produces this surround lighting according to comparison list.
3. the hand-held device of detecting the degree of surround lighting as claimed in claim 1 is characterized in that it more comprises:
One display unit couples this converting unit, to receive and to show this brightness value of this surround lighting.
4. the hand-held device of detecting the illumination of surround lighting as claimed in claim 1 is characterized in that it more comprises:
One microprocessor, this converting unit of The built-in, and produce a warning signal according to this brightness value; And
One caution unit couples this microprocessor, and receives this warning signal, and sends a warning message.
5. the hand-held device of detecting the illumination of surround lighting as claimed in claim 1 is characterized in that it more comprises:
One microprocessor couples this converting unit, and produces a warning signal according to this brightness value; And
One caution unit couples this microprocessor, and receives this warning signal, and sends a warning message.
6. the hand-held device of detecting the illumination of surround lighting as claimed in claim 1 is characterized in that, wherein this converting unit and this detecting unit are to be integrated into a chip.
7. the hand-held device of detecting the illumination of surround lighting as claimed in claim 1 is characterized in that, more comprises:
One storage element couples this converting unit, and in order to store comparison list, and this converting unit receives this sensing signal and correspondence reads this table of comparisons and export this brightness value.
8. the hand-held device of detecting the illumination of surround lighting as claimed in claim 1 is characterized in that, wherein this sensing signal is a current signal, a voltage signal, a pulse wave width modulation signal or a frequency.
9. the hand-held device of detecting the illumination of surround lighting as claimed in claim 8 is characterized in that, wherein this converting unit is to produce this brightness value according to this current signal, this voltage signal, this pulse wave width modulation signal or this frequency.
10. the hand-held device of detecting the illumination of surround lighting as claimed in claim 1 is characterized in that, more comprises:
One comparing unit couples this converting unit, and relatively this brightness value and a threshold value, when this brightness value during greater than this threshold value, this comparing unit produces a warning signal, and transmits this warning signal to caution unit, sends a warning message to order about this caution unit.
11. the hand-held device of detecting the illumination of surround lighting as claimed in claim 1 is characterized in that, more comprises:
One comparing unit couples this converting unit, and relatively this brightness value and a threshold value, when this brightness value during less than this threshold value, this comparing unit produces a warning signal, and transmits this warning signal to caution unit, sends a warning message to order about this caution unit.
12. as claim 10 or the 11 described hand-held devices of detecting the illumination of surround lighting, it is characterized in that,
Wherein this caution unit is a display unit or a broadcast unit.
13. the hand-held device of detecting the illumination of surround lighting as claimed in claim 1 is characterized in that, wherein this hand-held device is a mobile phone or a personal digital assistant.
14. the hand-held device of detecting the illumination of surround lighting as claimed in claim 1 is characterized in that, wherein this detecting unit is an optical diode, a photosensitive coupling component or a complementary metal oxide layer semiconductor.
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| CN201010509941XA CN102012264A (en) | 2010-10-08 | 2010-10-08 | Handheld device for detecting ambient light illumination |
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| CN201010509941XA CN102012264A (en) | 2010-10-08 | 2010-10-08 | Handheld device for detecting ambient light illumination |
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| CN102505964A (en) * | 2011-10-24 | 2012-06-20 | 毛允德 | Underground staff detecting instrument and staff monitoring system based on miner light weak light detection |
| CN102607697A (en) * | 2012-03-13 | 2012-07-25 | 上海业和电子技术有限责任公司 | Light illumination detection device and method |
| CN102798465A (en) * | 2012-03-13 | 2012-11-28 | 上海业和电子技术有限责任公司 | Light illumination grading device and method |
| CN102798464A (en) * | 2012-09-07 | 2012-11-28 | 上海业和电子技术有限责任公司 | Light illumination grade detection device and method |
| CN103809210A (en) * | 2012-11-09 | 2014-05-21 | 力智电子股份有限公司 | Proximity sensor and operating method thereof |
| CN104575448A (en) * | 2015-02-12 | 2015-04-29 | 广东欧珀移动通信有限公司 | Backlight adjustment method and backlight adjustment device for display device |
| CN104977081A (en) * | 2015-06-30 | 2015-10-14 | 欧普照明股份有限公司 | Environmental light acquisition and analysis methods and environmental light acquisition and analysiscs |
| CN105806477A (en) * | 2016-05-04 | 2016-07-27 | 苏州镭旭光电科技有限公司 | Portable plant lighting detection device |
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| CN102505964B (en) * | 2011-10-24 | 2013-10-16 | 毛允德 | Underground staff detecting instrument and staff monitoring system based on miner light weak light detection |
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| CN104575448A (en) * | 2015-02-12 | 2015-04-29 | 广东欧珀移动通信有限公司 | Backlight adjustment method and backlight adjustment device for display device |
| CN104977081A (en) * | 2015-06-30 | 2015-10-14 | 欧普照明股份有限公司 | Environmental light acquisition and analysis methods and environmental light acquisition and analysiscs |
| CN105806477A (en) * | 2016-05-04 | 2016-07-27 | 苏州镭旭光电科技有限公司 | Portable plant lighting detection device |
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Application publication date: 20110413 |