CN101516035A - Multimedia system and remote controller - Google Patents
Multimedia system and remote controller Download PDFInfo
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- CN101516035A CN101516035A CNA2008100805912A CN200810080591A CN101516035A CN 101516035 A CN101516035 A CN 101516035A CN A2008100805912 A CNA2008100805912 A CN A2008100805912A CN 200810080591 A CN200810080591 A CN 200810080591A CN 101516035 A CN101516035 A CN 101516035A
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Abstract
The invention provides a multimedia system, which comprises a remote sensor, a wireless transmitter and a display device. The display device comprises a light source and a wireless receiver. The remote sensor is used for sensing an ambient brightness. The wireless transmitter is used for transmitting a control signal corresponding to the ambient brightness. The display device can receive the control signal through the wireless receiver, and adjusts the brightness degree of the light source according to the control signal.
Description
Technical field
The present invention relates to multimedia system, particularly a kind ofly can adjust the multimedia system of self setting according to environmental aspect.
Background technology
In recent years, flourish along with various electronic products, commercial multimedia systems with family expenses are universal all day by day.In most multimedia system, most important hardware just belongs in order to present the display device of image.Therefore, the demand that how to promote the quality of display device and make its display characteristic more press close to the user all is the subject under discussion that the designer pays much attention to.
Brightness with image is example, and when surrounding enviroment were brighter, the brightness of display also must promote usually to some extent, just is unlikely to allow the beholder feel that screen is too dark even can't see wherein picture clearly.Relatively, if surrounding enviroment are darker, the picture of too bright can allow the beholder feel dazzling, uncomfortable on the contrary.Therefore, most display device all provides the user can adjust the interface of brightness settings voluntarily.
Manually seek or open the trouble of setting interface in order to save the user, the outside of some display device is equiped with the brightness impression device, and display device can be adjusted brightness of backlight module according to the testing result (that is brightness of display device context) of described brightness impression device.
Yet, because the picture of display unit is the part in the being seen whole scenery of user's visual line of sight, the ambient brightness that on behalf of the user, the testing result of described brightness impression device may not necessarily feel.When between user and the display device segment distance being arranged, the testing result of described brightness impression device especially may have no small difference with user's impression.For instance, on the user was sitting in sofa apart from three meters of video screens, the user may be thought that the display unit picture that is positioned at darker part is too dark by lamp source influence at one's side.Thus, the user is the brightness settings of necessary manual adjustment display device still, has also therefore lost the meaning of installing brightness impression device.
On the other hand, the color of object can change to some extent along with the color of irradiation light thereon.Human eyes can be revised this change that produces because of light automatically, but artificial photoreceptor does not possess such function.Therefore, the image of taking under different light or recording can present different colour temperatures.Many image processing systems all have the function of white balance correction, in order to revise the color error that light causes, make the digitized video can be more near the human eye finding.
As be familiar with known to this technical field person, the colour temperature of decision image is normally carried out first step of white balance correction.Except the colour temperature of considering image itself, some display device exterior also is equiped with the assembly that detects colour temperature.Display device can carry out white balance correction according to the testing result (that is colour temperature of display device context) of described colour temperature inductor, with the harmony of the scenery that increases image and display device periphery.Yet this colour temperature inductor has identical problem with above-mentioned brightness impression utensil, can't react user's impression and demand equally really.
Summary of the invention
For addressing the above problem, the invention provides the multimedia system and the remote controller that comprise long-range inductor.More particularly, brightness of the present invention or colour temperature inductor can be set at contiguous beholder's position, by wireless transmission sensing result are sent to display unit again.Compared to the prior art that inductor is arranged at the display unit outside, long-range inductor of the present invention can provide the environmental aspect that is adjacent to the beholder, adjusts the reference data of related setting as multimedia system.
First preferred embodiment of the present invention is a multimedia system, wherein comprises a long-range inductor, a radio transmitter and a display unit.Comprise a light source and a wireless receiver in the described display unit again.Described long-range inductor is in order to respond to an ambient brightness.Described radio transmitter is then in order to transmit the control signal corresponding to described ambient brightness.Described display unit can receive described control signal by described wireless receiver, and adjusts a brightness degree of described light source according to described control signal.
Second preferred embodiment of the present invention also is a multimedia system, wherein comprises a long-range inductor, a radio transmitter and a display unit.Described display unit is in order to showing an image, and comprises a wireless receiver.Described long-range inductor is in order to respond to an environment colour temperature.Described radio transmitter is then in order to transmit the control signal corresponding to described environment colour temperature.Described display unit can receive described control signal by described wireless receiver, and carries out a white balance program according to described control signal at described image.
Description of drawings
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment of the present invention is described in detail below in conjunction with accompanying drawing:
Figure 1A and Figure 1B are the schematic diagram of the multimedia system of first preferred embodiment of the present invention.
Fig. 2 A and Fig. 2 B are the schematic diagram of the multimedia system of second preferred embodiment of the present invention.
Embodiment
First preferred embodiment of the present invention is a multimedia system; Figure 1A is the schematic diagram of described multimedia system.Multimedia system 100 comprises a long-range inductor 10, a radio transmitter 20 and a display unit 30.Shown in Figure 1A, comprise a light source 30A and a wireless receiver 30B in the display unit 30 again.
In this preferred embodiment, display unit 30 can be any display device that can adjust the brightness degree of light source 30A.Therefore, light source 30A may be light-emitting diode (LED) bulb that comprises in the backlight module of flat-panel screens, also may be cold cathode fluorescent lamp (Cold Cathode Fluorescent Lamp, CCFL).
On the other hand, wireless receiver 30B is in order to be received from the signal that radio transmitter 20 sends, as long as both adopt identical communications protocol.For example, described communications protocol can be short-distance wireless communications protocol such as ZigBee or blue bud.In addition, radio transmitter 20 and wireless receiver 30B also can utilize infrared signal to link up each other.
Long-range inductor 10 is in order to respond to an ambient brightness of its periphery.20 of radio transmitters are in order to transmit the control signal corresponding to described ambient brightness.In actual applications, long-range inductor 10 can be set at when the user uses display unit 30 and usually sit near the position of crouching, for example on the metope of the surface of furniture such as sofa, tea table, article placing cabinet or vicinity.
According to the present invention, both also can and then be integrated in long-range inductor 10 and radio transmitter 20 in the remote controller of multimedia system 100.Generally speaking, long-range inductor 10 is detected, is the ambient brightness that is adjacent to the user.In actual applications, the control signal that radio transmitter 20 is sent can be the brightness number that long-range inductor 10 measures, and also can be directly corresponding to the control signal of the brightness degree of light source 30A after changing.
Receiving by described wireless receiver 30B after the control signal that radio transmitter 20 sends, display unit 30 can be adjusted the brightness degree of light source 30A according to described control signal.Since the picture brightness that presented of display unit 30 can the residing position of the person of being used and environmental fitness change, even the user is different with the brightness of display unit 30 both positions, display unit 30 also can provide the display effect of user's demand.
Shown in Figure 1B, display unit 30 itself can further comprise a near-end inductor 30C, in order to a contiguous brightness of induction display device 30 peripheries.Because near-end inductor 30C can directly be incorporated in the Circuits System of display unit 30, so display unit can receive described contiguous brightness by near-end inductor 30C in the mode of wire transmission.
According to the present invention, except the ambient brightness that long-range inductor 10 measures, display unit 30 is when adjusting the brightness degree of light source 30A, and consideration is included in the contiguous brightness that can further near-end inductor 30C be sensed in.In other words, display unit 30 can serve as a consideration foundation of adjusting light source 30A with ambient brightness and contiguous brightness simultaneously.
Second preferred embodiment of the present invention also is a multimedia system; Fig. 2 A is the schematic diagram of described multimedia system.Multimedia system 200 comprises a long-range inductor 40, a radio transmitter 50 and a display unit 60.
Long-range inductor 40 is in order to respond to an environment colour temperature of its periphery.50 of radio transmitters are in order to transmit the control signal corresponding to described environment colour temperature.In actual applications, long-range inductor 40 can be set at when the user uses display unit 60 and usually sit near the position of crouching, and also can be integrated in the remote controller of multimedia system 200.
In actual applications, long-range inductor 40 can comprise one group of three primary colors (RGB) optical inductor and an analog/digital converter, and described analog/digital converter is converted to described control signal in order to the induction result with described group of primaries inductor.
In above-mentioned white balance program, display unit 60 can be according to the GTG value of long-range inductor 40 detected environment colour temperature adjustment with each picture element in the image that is shown.Concerning adopt light emitting diode bulb or similarly luminous element be the display unit of light source, display unit 60 also can be selected the effect that reaches white balance corresponding to the brightness degree of the light source of each picture element by adjusting.
Shown in Fig. 2 B, display unit 60 itself can further comprise a near-end inductor 60B, in order to a contiguous colour temperature of induction display device 60 peripheries.Because near-end inductor 60B directly is incorporated in the Circuits System of display unit 60, so display unit can receive described contiguous colour temperature by near-end inductor 60B in the mode of wire transmission.
Except the environment colour temperature that long-range inductor 40 measures, display unit 60 is when carrying out the white balance program at image, and also the adjacent colour winner that near-end inductor 60B can be sensed goes into to consider.Easy speech, display unit 60 can serve as to carry out the consideration foundation of white balance program with environment colour temperature and contiguous colour temperature simultaneously.
The 3rd preferred embodiment of the present invention is incorporated into long-range inductor 10 and radio transmitter 20 shown in Figure 1A in order in the remote controller that cooperates a display unit.In other words, except originally in order to the function linked up with display unit (for example channel selection and adjust volume), the function that described remote controller can further provide testing environment brightness and transmit control signal.
The 4th preferred embodiment of the present invention also is in order to cooperate the remote controller of a display unit.Described remote controller then comprises long-range inductor 40 and the radio transmitter 50 shown in Fig. 2 A.Because the function mode of this embodiment is roughly identical with above-mentioned second preferred embodiment, therefore repeat no more.
Long-range inductor of the present invention can be widely used in the various multimedia systems that comprise display unit.By above-mentioned each preferred embodiment and related description as can be known, brightness of the present invention or colour temperature inductor can be set at contiguous beholder's position, the environmental aspect that will be adjacent to the beholder by wireless transmission is sent to display unit again, the reference of setting as the multimedia system adjustment.Compared to the prior art that inductor is arranged at the display unit outside, long-range inductor of the present invention can provide the display effect of more pressing close to user's demand and user's impression.
Below preferred embodiment of the present invention is specified, but the present invention is not limited to described embodiment, those of ordinary skill in the art also can make all modification that is equal to or replacement under the prerequisite of spirit of the present invention, modification that these are equal to or replacement all are included in the application's claim institute restricted portion.
Claims (18)
1, a kind of multimedia system is characterized in that, comprises:
One long-range inductor is in order to respond to an ambient brightness;
One radio transmitter is electrically coupled to described long-range inductor, in order to transmit the control signal corresponding to described ambient brightness; And
One display unit, described display unit comprise a light source and a wireless receiver, and wherein said display unit receives described control signal by described wireless receiver, and adjust a brightness degree of described light source according to described control signal.
2, multimedia system as claimed in claim 1 is characterized in that: described light source comprises a cold cathode fluorescent lamp or a light emitting diode bulb.
3, multimedia system as claimed in claim 1, it is characterized in that: described display unit further comprises a near-end inductor, described near-end inductor is in order to respond to a contiguous brightness, described display unit receives described contiguous brightness in the mode of wire transmission by described near-end inductor, and described display unit serves as to consider foundation with described contiguous brightness also when adjusting described brightness degree.
4, multimedia system as claimed in claim 1 is characterized in that: described long-range inductor and described radio transmitter are arranged in the remote controller that can link up with described display unit.
5, multimedia system as claimed in claim 1 is characterized in that: described radio transmitter is by an infrared signal or a radiofrequency signal and the communication of described wireless receiver.
6, a kind of multimedia system is characterized in that, comprises:
One long-range inductor is in order to respond to an environment colour temperature;
One radio transmitter is electrically coupled to described long-range inductor, in order to transmit the control signal corresponding to described environment colour temperature; And
One display unit, described display unit be in order to showing an image, and comprise a wireless receiver, and wherein said display unit receives described control signal by described wireless receiver, and carries out a white balance program according to described control signal at described image.
7, multimedia system as claimed in claim 6, it is characterized in that: described long-range inductor comprises one a group of primaries inductor and an analog/digital converter, and described analog/digital converter is converted to described control signal in order to the induction result with described group of primaries inductor.
8, multimedia system as claimed in claim 6 is characterized in that: in described white balance program, described display unit is to adjust at least one GTG value of described image.
9, multimedia system as claimed in claim 6 is characterized in that: described display unit comprises a light source, and in described white balance program, described display unit is adjusted a brightness degree of described light source.
10, multimedia system as claimed in claim 9 is characterized in that: described light source comprises a light emitting diode bulb.
11, multimedia system as claimed in claim 6, it is characterized in that: described display unit further comprises a near-end inductor, described near-end inductor is in order to respond to a contiguous colour temperature, described display unit receives described contiguous colour temperature in the mode of wire transmission by described near-end inductor, and described display unit serves as to consider foundation with described contiguous colour temperature also when carrying out described white balance program.
12, multimedia system as claimed in claim 6 is characterized in that: described long-range inductor and described radio transmitter are arranged in the remote controller that can link up with described display unit.
13, multimedia system as claimed in claim 6 is characterized in that: described radio transmitter is by an infrared signal or a radiofrequency signal and the communication of described wireless receiver.
14, a kind of remote controller is characterized in that, comprises:
One long-range inductor is in order to respond to an ambient brightness; And
One radio transmitter is electrically coupled to described long-range inductor, in order to transmit the control signal corresponding to described ambient brightness;
Wherein after described radio transmitter received described control signal, a display unit that comprises a light source can be adjusted a brightness degree of described light source according to described control signal.
15, remote controller as claimed in claim 14 is characterized in that: described radio transmitter is by an infrared signal or a radiofrequency signal and the communication of described display unit.
16, a kind of remote controller is characterized in that, comprises:
One long-range inductor is in order to respond to an environment colour temperature; And
One radio transmitter is electrically coupled to described long-range inductor, in order to transmit the control signal corresponding to described environment colour temperature;
Wherein after described radio transmitter received described control signal, a display unit can be carried out a white balance program at an image according to described control signal.
17, remote controller as claimed in claim 16, it is characterized in that: described long-range inductor comprises one a group of primaries inductor and an analog/digital converter, and described analog/digital converter is converted to described control signal in order to the induction result with described group of primaries inductor.
18, remote controller as claimed in claim 16 is characterized in that: described radio transmitter is by an infrared signal or a radiofrequency signal and the communication of described display unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100805912A CN101516035A (en) | 2008-02-22 | 2008-02-22 | Multimedia system and remote controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100805912A CN101516035A (en) | 2008-02-22 | 2008-02-22 | Multimedia system and remote controller |
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| Publication Number | Publication Date |
|---|---|
| CN101516035A true CN101516035A (en) | 2009-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100805912A Pending CN101516035A (en) | 2008-02-22 | 2008-02-22 | Multimedia system and remote controller |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102427516A (en) * | 2011-09-23 | 2012-04-25 | 深圳市同洲电子股份有限公司 | Method and system for adjusting brightness of digital television displayer |
| CN104778938A (en) * | 2014-01-09 | 2015-07-15 | 吴福吉 | White balance unit of display |
| WO2015103717A1 (en) * | 2014-01-09 | 2015-07-16 | 吴福吉 | White balance apparatus for display |
| CN105609059A (en) * | 2016-02-26 | 2016-05-25 | 苏州佳世达电通有限公司 | Photosensitive display system and operation method of photosensitive display system |
| CN111754953A (en) * | 2020-06-22 | 2020-10-09 | 北京小米松果电子有限公司 | Display screen brightness adjusting method and device, electronic equipment and medium |
| CN114584752A (en) * | 2020-11-30 | 2022-06-03 | 华为技术有限公司 | Image color restoration method and related equipment |
-
2008
- 2008-02-22 CN CNA2008100805912A patent/CN101516035A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102427516A (en) * | 2011-09-23 | 2012-04-25 | 深圳市同洲电子股份有限公司 | Method and system for adjusting brightness of digital television displayer |
| CN104778938A (en) * | 2014-01-09 | 2015-07-15 | 吴福吉 | White balance unit of display |
| WO2015103717A1 (en) * | 2014-01-09 | 2015-07-16 | 吴福吉 | White balance apparatus for display |
| CN105609059A (en) * | 2016-02-26 | 2016-05-25 | 苏州佳世达电通有限公司 | Photosensitive display system and operation method of photosensitive display system |
| CN105609059B (en) * | 2016-02-26 | 2019-01-18 | 苏州佳世达电通有限公司 | The method of photosensitive display system and operation sense light display system |
| CN111754953A (en) * | 2020-06-22 | 2020-10-09 | 北京小米松果电子有限公司 | Display screen brightness adjusting method and device, electronic equipment and medium |
| CN114584752A (en) * | 2020-11-30 | 2022-06-03 | 华为技术有限公司 | Image color restoration method and related equipment |
| CN114584752B (en) * | 2020-11-30 | 2024-02-02 | 华为技术有限公司 | Image color restoration method and related equipment |
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Application publication date: 20090826 |