CN202696743U - Image capture device for projective virtual keyboard and virtual keyboard - Google Patents
Image capture device for projective virtual keyboard and virtual keyboard Download PDFInfo
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- CN202696743U CN202696743U CN 201220240616 CN201220240616U CN202696743U CN 202696743 U CN202696743 U CN 202696743U CN 201220240616 CN201220240616 CN 201220240616 CN 201220240616 U CN201220240616 U CN 201220240616U CN 202696743 U CN202696743 U CN 202696743U
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- projection
- virtual keyboard
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Abstract
The utility model discloses an image capture device for a projective virtual keyboard and a virtual keyboard, which belong to the technical field of virtual keyboards. The image capture device comprises an image capture module used for acquiring a surface image of the virtual keyboard, a laser projection module used for projecting and covering a laser beam on the projection of the projective virtual keyboard, a light detection module used for detecting the reflected light of the laser beam and a processing module used for controlling the work of the image capture module according to the detection of the light detection module, wherein the processing module is respectively connected with the light detection module and the image capture module. According to the utility model, when the projective virtual keyboard works, the processing module can control the work of the image capture module according to the detection of the light detection module by additionally arranging the laser projection module and the light detection module, so that the resource is saved and the working efficiency is improved.
Description
Technical field
The utility model relates to the dummy keyboard technical field, particularly a kind of image capture device and dummy keyboard for projection type virtual keyboard.
Background technology
Along with the development of mobile technology, the keyboard of mobile device develops to dummy keyboard from physical keyboard gradually.Existing dummy keyboard comprises touch keyboard, laser virtual keyboard etc.
Existing laser virtual keyboard, generally include projection arrangement, image capture device, wherein, projection arrangement projects to keyboard on the smooth desktop or wall, when on the dummy keyboard of user in this projection during input message, image capture device obtains the image that the user operates dummy keyboard, and obtains user's input message according to this image information.
In realizing process of the present utility model, utility model people finds that there is following problem at least in prior art:
When the user uses laser virtual keyboard, when the user does not have when the keyboard of projection is inputted, image capture device still can constantly obtain the image that the user operates dummy keyboard, and obtain user's input message according to this image information, the input message that obtain this moment is invalid, cause the waste of resource, and reduced operating efficiency.
The utility model content
For when projection type virtual keyboard is worked, saving resource, the utility model embodiment provide a kind of image capture device for projection type virtual keyboard and dummy keyboard.Described technical scheme is as follows:
On the one hand, the embodiment of the invention provides a kind of image capture device for projection type virtual keyboard, described device comprises be used to the image capture module of obtaining the dummy keyboard surface image, described device also comprises: be used for the laser beam projection and cover laser projection module in the projection of described projection type virtual keyboard, catoptrical smooth detection module for detection of described laser beam, and the processing module that is used for controlling according to the detection of described smooth detection module described image capture module work, described processing module respectively with described smooth detection module be connected image capture module and be connected.
Particularly, described smooth detection module is photoelectric sensor.
Particularly, described image capture module is camera.
Further, described camera is the charge coupled device camera.
Preferably, described device also comprises filter, and described filter is located between the projection of described image capture module and described projection type virtual keyboard.
On the other hand, the embodiment of the invention also provides a kind of dummy keyboard, comprise for the projection arrangement of projection virtual keyboard with for the image capture device that obtains user's input information, described image capture device comprises be used to the image capture module of obtaining the dummy keyboard surface image, described image capture device also comprises: be used for the laser beam projection and cover laser projection module in the projection of described projection type virtual keyboard, catoptrical smooth detection module for detection of described laser beam, and the processing module that is used for controlling according to the detection of described smooth detection module described image capture module work, described processing module respectively with described smooth detection module be connected image capture module and be connected.
Particularly, described smooth detection module is photoelectric sensor.
Particularly, described image capture module is camera.
Further, described camera is the charge coupled device camera.
Preferably, described image capture device also comprises filter, and described filter is located between the projection of described image capture module and described projection type virtual keyboard.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is: by increasing laser projection module and light detection module, so that when projection type virtual keyboard is worked, processing module is according to the detection of light detection module, the work of control image capture module, thereby saved resource, improved operating efficiency.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of image capture device for projection type virtual keyboard of providing among the utility model embodiment 1;
Fig. 2 is the structural representation of a kind of dummy keyboard of providing among the utility model embodiment 2.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model execution mode is described in further detail.
Referring to Fig. 1, the utility model embodiment provides a kind of image capture device for projection type virtual keyboard, this device comprises: comprise be used to the image capture module 1 of obtaining the dummy keyboard surface image, this device also comprises: be used for the laser beam projection and cover laser projection module 2 in the projection of projection type virtual keyboard, catoptrical smooth detection module 3 for detection of laser beam, and being used for processing module 4 according to detection control image capture module 1 work of light detection module 3, processing module 4 is connected with image capture module with light detection module 3 respectively and is connected.
Particularly, light detection module 3 is photoelectric sensor.The light wavelength that this photoelectric sensor can detect is identical with the wavelength of the laser beam of projection, and namely this photoelectric sensor can only detect the reverberation of the laser beam of projection.
Particularly, image capture module 1 is camera.
Further, this image capture module 1 can also be CCD(charge-coupled device, charge coupled device) camera.
Preferably, this device also comprises filter 5, and filter 5 is located between the projection of image capture module 1 and projection type virtual keyboard.Cross filter 5 is set, change the interference that image capture module 1 is worked to reduce extraneous light.
The course of work of the device that provides below in conjunction with the utility model embodiment describes a kind of image capture device for projection type virtual keyboard that the utility model provides in detail.
When projection type virtual keyboard is worked, projection virtual keyboard on the desktop of level or wall, laser projection module 2 is with the laser beam projection and cover in the projection of this dummy keyboard, keep the projection of laser beam to have identical size with the projection of this dummy keyboard, even the projection of this laser beam overlaps with the projection of this dummy keyboard, when the user operates this dummy keyboard, the laser beam of projection can be launched, when light detection module 3 detects this reverberation, processing module 4 is according to the detection of light detection module 3, start image capture module 1 work, obtain dummy keyboard surface image this moment, determine the user has specifically clicked which button of dummy keyboard, thereby obtain corresponding input message, if light detection module 3 does not detect reverberation, then processing module 4 does not start image capture module 1, and namely this moment, image capture module 1 was not worked.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is: by increasing laser projection module and light detection module, so that when projection type virtual keyboard is worked, only have laser beam on being projected in dummy keyboard to be reflected and this reverberation when being detected by the light detection module, processing module just starts image capture module work, thereby saved resource, and improved the operating efficiency of this device.
Referring to Fig. 2, the utility model embodiment provides a kind of dummy keyboard, comprise for the projection arrangement 61 of projection virtual keyboard with for the image capture device 62 that obtains user's input information, the structure of the image capture device among the structure of image capture device 62 and the embodiment 1 is identical, is not described in detail in this.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is: by increasing laser projection module and light detection module, so that when projection type virtual keyboard is worked, only have laser beam on being projected in dummy keyboard to be reflected and this reverberation when being detected by the light detection module, processing module just starts image capture module work, thereby saved resource, and improved the operating efficiency of this device.
The above only is preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1. image capture device that is used for projection type virtual keyboard, described device comprises be used to the image capture module of obtaining the dummy keyboard surface image, it is characterized in that, described device also comprises: be used for the laser beam projection and cover laser projection module in the projection of described projection type virtual keyboard, catoptrical smooth detection module for detection of described laser beam, and the processing module that is used for controlling according to the detection of described smooth detection module described image capture module work, described processing module respectively with described smooth detection module be connected image capture module and be connected.
2. device as claimed in claim 1 is characterized in that, described smooth detection module is photoelectric sensor.
3. device as claimed in claim 1 is characterized in that, described image capture module is camera.
4. device as claimed in claim 3 is characterized in that, described camera is the charge coupled device camera.
5. device as claimed in claim 1 is characterized in that, described device also comprises filter, and described filter is located between the projection of described image capture module and described projection type virtual keyboard.
6. dummy keyboard, comprise for the projection arrangement of projection virtual keyboard with for the image capture device that obtains user's input information, described image capture device comprises be used to the image capture module of obtaining the dummy keyboard surface image, it is characterized in that, described image capture device also comprises: be used for the laser beam projection and cover laser projection module in the projection of described projection type virtual keyboard, catoptrical smooth detection module for detection of described laser beam, and the processing module that is used for controlling according to the detection of described smooth detection module described image capture module work, described processing module respectively with described smooth detection module be connected image capture module and be connected.
7. device as claimed in claim 6 is characterized in that, described smooth detection module is photoelectric sensor.
8. device as claimed in claim 6 is characterized in that, described image capture module is camera.
9. device as claimed in claim 8 is characterized in that, described camera is the charge coupled device camera.
10. device as claimed in claim 6 is characterized in that, described image capture device also comprises filter, and described filter is located between the projection of described image capture module and described projection type virtual keyboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220240616 CN202696743U (en) | 2012-05-25 | 2012-05-25 | Image capture device for projective virtual keyboard and virtual keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220240616 CN202696743U (en) | 2012-05-25 | 2012-05-25 | Image capture device for projective virtual keyboard and virtual keyboard |
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| Publication Number | Publication Date |
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| CN202696743U true CN202696743U (en) | 2013-01-23 |
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| CN 201220240616 Expired - Fee Related CN202696743U (en) | 2012-05-25 | 2012-05-25 | Image capture device for projective virtual keyboard and virtual keyboard |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015079169A (en) * | 2013-10-18 | 2015-04-23 | 増田 麻言 | Projection device |
| CN105892760A (en) * | 2014-12-17 | 2016-08-24 | 广东新锦光电科技有限公司 | Virtual keyboard control method and apparatus using the same |
-
2012
- 2012-05-25 CN CN 201220240616 patent/CN202696743U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015079169A (en) * | 2013-10-18 | 2015-04-23 | 増田 麻言 | Projection device |
| CN105892760A (en) * | 2014-12-17 | 2016-08-24 | 广东新锦光电科技有限公司 | Virtual keyboard control method and apparatus using the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20130525 |