CN204166488U - Projected keyboard - Google Patents
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- CN204166488U CN204166488U CN201420579497.2U CN201420579497U CN204166488U CN 204166488 U CN204166488 U CN 204166488U CN 201420579497 U CN201420579497 U CN 201420579497U CN 204166488 U CN204166488 U CN 204166488U
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Abstract
The utility model discloses a kind of projected keyboard, for matching with mobile terminal device, comprising keyboard projecting cell, in addition, also comprising: be arranged on the sensor devices for induced environment colour temperature on described mobile terminal device or keyboard projecting cell; Be arranged on the photochromic controller changing its projecting light for controlling described keyboard projecting cell on described mobile terminal device or keyboard projecting cell; Wherein, described controller connects described sensor devices, sends control signal for the environment color temperature signal detected according to sensor devices; Wherein, described keyboard projecting cell connects described controller, for the control signal sent according to controller, changes the photochromic of its projecting light.Projected keyboard of the present utility model, structure is simple, easy to use, automatically can regulate the color of the keyboard projected out according to the colour temperature of environment for use, comfortableness when increasing user's viewing and use keyboard.
Description
Technical field
The utility model relates to technical field of mobile terminals, particularly relates to a kind of projected keyboard for mating with mobile terminal.
Background technology
Along with the fast development of science and technology, people have higher requirement to instrument comfortableness, convenience.The appearance of projected keyboard, effectively solve existing physical keyboard volume large, be inconvenient to the problem of carrying.
At present, projected keyboard adopts red diode laser to project out in the plane the keyboard pattern the same with physical keyboard, then the position of monitor user ' key tap is come by sightless infrared ray, namely, when user knocks a certain button on pattern, the infrared ray of this position of directive is blocked, and the optical sensor of projected keyboard can receive the light that infrared ray is reflected back.Optical sensor determines the position of user's key tap according to the image of the reflection ray received, and then according to the corresponding character code of the position acquisition determined, this character code is sent to display device.
But the projected keyboard due to prior art is all adopt red diode laser to project out keyboard pattern, therefore, the picture projected out is red mostly, for the user in custom cool tone area, the pattern of eyes viewing redness can be uncomfortable, feels very uncomfortable.
Summary of the invention
The purpose of this utility model is exactly to solve the problem, and provides a kind of projected keyboard, and its structure is simple, easy to use, automatically can regulate the color of the keyboard projected out according to the colour temperature of environment for use, comfortableness when increasing user's viewing and use keyboard.
For realizing above-mentioned purpose of the present utility model, a kind of projected keyboard of the present utility model, for matching with mobile terminal device, comprises keyboard projecting cell, in addition, also comprise: be arranged on the sensor devices for induced environment colour temperature on described mobile terminal device or keyboard projecting cell; Be arranged on the photochromic controller changing its projecting light for controlling described keyboard projecting cell on described mobile terminal device or keyboard projecting cell; Wherein, described controller connects described sensor devices, sends control signal for the environment color temperature signal detected according to sensor devices; Wherein, described keyboard projecting cell connects described controller, for the control signal sent according to controller, changes the photochromic of its projecting light.
Wherein, described keyboard projecting cell is provided with warm colour light emitting source and cool colour light emitting source.
Or described keyboard projecting cell is provided with and can sends different photochromic array of source.
Wherein, described controller comprises: for comparing environment colour temperature and its colour temperature threshold value and generating the comparison module of comparative result; Connecting the control module of comparison module, controlling for generating according to described comparative result the photochromic signal that described keyboard projecting cell changes its projecting light.
Wherein, described mobile terminal device is smart mobile phone or notebook computer.
Compared with prior art, projected keyboard of the present utility model have structure simple, easy to use, can automatically regulate the color of the keyboard projected out according to the colour temperature of environment for use, the advantage of comfortableness when increasing user's viewing and use keyboard.
Below in conjunction with accompanying drawing, the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is the first structural representation of the utility model projected keyboard;
Fig. 2 is the second structural representation of the utility model projected keyboard;
Fig. 3 is the utility model projected keyboard fundamental diagram.
Embodiment
As shown in Figure 1 and Figure 2, be respectively the first and the second structural representation of projected keyboard of the present utility model, this projected keyboard is used for and mobile terminal device matches, comprise keyboard projecting cell, in addition, also comprise: be arranged on the sensor devices for induced environment colour temperature on mobile terminal device or keyboard projecting cell; Be arranged on the photochromic controller changing its projecting light for supervisory keyboard projecting cell on mobile terminal device or keyboard projecting cell; Wherein, the input port of controller connects sensor devices, sends control signal for the environment color temperature signal detected according to sensor devices; Wherein, the output port of keyboard projecting cell connection control device, for the control signal sent according to controller, changes the photochromic of its projecting light, so that the keyboard pattern that keyboard projecting cell projects can present different colours, thus user is allowed to feel more comfortable.
As shown in Figure 3, for the fundamental diagram of the utility model projected keyboard, as seen from the figure, after projected keyboard is started working, sensor devices detects the colour temperature of environment residing for mobile terminal device or keyboard projecting cell, then environment color temperature signal is sent to controller, the environment color temperature signal received and its colour temperature threshold value preset compare by the comparison module of controller, and generate comparative result, and the control module of the comparison module that is connected generates according to this comparative result the photochromic signal that supervisory keyboard projecting cell changes its projecting light, thus make keyboard projecting cell change the photochromic of its projecting light, namely, the keyboard that keyboard projection unit projects is gone out presents different colours, such as, when surrounding environment is cool tone, keyboard projection unit projects goes out the keyboard (such as blue) of cool tone, and when surrounding environment is warm tones, keyboard projection unit projects goes out warm-toned keyboard (such as red), thus user's vision can be allowed more comfortable.
Wherein, sensor devices of the present utility model and controller can arrange on the mobile terminal device simultaneously, also can be arranged on keyboard projecting cell simultaneously, can also be separately positioned on mobile terminal device and keyboard projecting cell.
When sensor devices and controller are all arranged on the mobile terminal device, sensing device is connected by wire with controller; When sensor devices arrange on the mobile terminal device, controller be arranged on keyboard projecting cell time, sensing device can be connected by WIFI or bluetooth with controller; And when sensor devices and controller are all arranged on keyboard projecting cell, sensing device can be connected by wire with controller.
Wherein, projected keyboard of the present utility model can adopt structure as shown in Figure 1, and in this kind of structure, keyboard projecting cell is provided with warm colour light emitting source and cool colour light emitting source.Warm colour light emitting source can send monochromatic warm colour light, such as red, and cool colour light emitting source can send monochromatic cool colour light, such as blue.When the control module of controller sends control signal, warm colour light emitting source or cool colour light emitting source start, thus project the light of different colours.
Wherein, mobile terminal device of the present utility model can be smart mobile phone, also can be notebook computer, and the light emitting source related to is lasing light emitter, the sensor devices related to can adopt the color temperature sensor for induced environment colour temperature of prior art, programmable logic device (PLD) (PLD) selected by controller, such as EPM7128S, it selects arbitrarily two output pins to be connected respectively in the warm colour light emitting source (as red LED) of keyboard projecting cell and the voltage pin of cool colour light emitting source (as blue led).What detect due to color temperature sensor is simulating signal, need to be connected with DSP (digital signal processor), carry out data processing and and preset color temperature threshold value compare, comparative result is passed to PLD by DSP again, and last PLD optionally drives warm colour light emitting source or cool colour light emitting source.Wherein, preset color temperature threshold value is 5000K, and namely when the environment colour temperature that color temperature sensor detects is greater than 5000K, keyboard projecting cell starts and sends cool colour light, and the keyboard gone out to make projection is cool tone; And when the environment colour temperature that color temperature sensor detects is less than 5000K, keyboard projecting cell starts and sends warm colour light, the keyboard gone out to make projection is warm tones.
Or, projected keyboard of the present utility model also can adopt structure as shown in Figure 2, and in this structure, keyboard projecting cell is provided with and can sends different photochromic array of source, namely be provided with the light emitting source of multiple color, the light emitting source of often kind of color can send a kind of light of monochrome.When the control module of controller sends control signal, the light emitting source of one or more colors starts, thus makes the polychromatic light that can present cool colour or warm colour that keyboard projecting cell can send a kind of monochromatic light or is composited by the monochromatic light of multiple color.It is identical with above-mentioned that it realizes principle, no longer repeats at this.
In sum, projected keyboard of the present utility model has following beneficial effect:
The utility model projected keyboard detects the colour temperature of surrounding environment light by sensor devices, thus environmentally colour temperature regulate keyboard projecting cell project the color of light, thus make user's vision more comfortable, and the demand of different crowd to projected keyboard color can be met.
Although be explained in detail the utility model above; but the utility model is not limited thereto; those skilled in the art can modify according to principle of the present utility model; therefore, all various amendments carried out according to principle of the present utility model all should be understood to fall into protection domain of the present utility model.
Claims (5)
1. a projected keyboard, for matching with mobile terminal device, comprising keyboard projecting cell, it is characterized in that, also comprising:
Be arranged on the sensor devices for induced environment colour temperature on described mobile terminal device or keyboard projecting cell;
Be arranged on the photochromic controller changing its projecting light for controlling described keyboard projecting cell on described mobile terminal device or keyboard projecting cell;
Wherein, described controller connects described sensor devices, sends control signal for the environment color temperature signal detected according to sensor devices;
Wherein, described keyboard projecting cell connects described controller, for the control signal sent according to controller, changes the photochromic of its projecting light.
2. projected keyboard according to claim 1, is characterized in that, described keyboard projecting cell is provided with warm colour light emitting source and cool colour light emitting source.
3. projected keyboard according to claim 1, is characterized in that, described keyboard projecting cell is provided with and can sends different photochromic array of source.
4. projected keyboard according to claim 1, is characterized in that, described controller comprises:
For comparing environment colour temperature and its colour temperature threshold value and generating the comparison module of comparative result;
Connecting the control module of comparison module, controlling for generating according to described comparative result the photochromic signal that described keyboard projecting cell changes its projecting light.
5. projected keyboard according to claim 1, is characterized in that, described mobile terminal device is smart mobile phone or notebook computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420579497.2U CN204166488U (en) | 2014-09-30 | 2014-09-30 | Projected keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420579497.2U CN204166488U (en) | 2014-09-30 | 2014-09-30 | Projected keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204166488U true CN204166488U (en) | 2015-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420579497.2U Active CN204166488U (en) | 2014-09-30 | 2014-09-30 | Projected keyboard |
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| Country | Link |
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| CN (1) | CN204166488U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108196730A (en) * | 2018-01-18 | 2018-06-22 | 安徽三弟电子科技有限责任公司 | A kind of multi-functional laser virtual keyboard system |
| US10359860B2 (en) * | 2016-08-18 | 2019-07-23 | Rohinni, LLC | Backlighting color temperature control apparatus |
-
2014
- 2014-09-30 CN CN201420579497.2U patent/CN204166488U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10359860B2 (en) * | 2016-08-18 | 2019-07-23 | Rohinni, LLC | Backlighting color temperature control apparatus |
| CN108196730A (en) * | 2018-01-18 | 2018-06-22 | 安徽三弟电子科技有限责任公司 | A kind of multi-functional laser virtual keyboard system |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |