CN110913255A - Remote controller capable of laser outputting virtual keyboard and control method thereof - Google Patents
Remote controller capable of laser outputting virtual keyboard and control method thereof Download PDFInfo
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- CN110913255A CN110913255A CN201911051009.4A CN201911051009A CN110913255A CN 110913255 A CN110913255 A CN 110913255A CN 201911051009 A CN201911051009 A CN 201911051009A CN 110913255 A CN110913255 A CN 110913255A
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- Prior art keywords
- virtual keyboard
- module
- remote controller
- signal processing
- laser
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
- H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
- H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
- H04N21/42212—Specific keyboard arrangements
- H04N21/42218—Specific keyboard arrangements for mapping a matrix of displayed objects on the screen to the numerical key-matrix of the remote control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
- H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
- H04N21/42221—Transmission circuitry, e.g. infrared [IR] or radio frequency [RF]
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- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Position Input By Displaying (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
The invention discloses a remote controller capable of laser outputting a virtual keyboard and a control method thereof, wherein the remote controller comprises: the signal processing module is used as a signal processing core of the remote controller; a projection module connected with the signal processor for laser emitting a virtual keyboard; the laser positioning module comprises an image acquisition module, a laser ranging module and an angle sensor which are respectively connected with the signal processing module, and the signal processing module calculates a key action signal according to a key action image fed back by the image acquisition module, distance data between a virtual keyboard and a remote controller acquired by the laser ranging module and angle data between the virtual keyboard and the remote controller acquired by the angle sensor; and the wireless transmitting module is used for converting the key action signals calculated by the signal processing module into wireless remote control signals and sending the wireless remote control signals.
Description
Technical Field
The invention relates to a television remote controller, in particular to a remote controller capable of emitting a virtual keyboard by laser and a control method thereof.
Background
With the intelligent progress of the television, more and more responsibilities are given to the television, the television not only has the function of playing programs in a long time in the future now, but also the television remote controller serving as a command input device still has a great difference from a common computer in the aspect of character input, so that the invention of the device capable of improving the input efficiency of the remote controller has great market prospect.
In the prior art, a remote controller adopting a laser virtual keyboard only adopts images to detect key actions on the virtual keyboard, and the virtual keyboard depends on the imaging of laser on a projection surface, so that the influence of image definition and the sensitivity of feedback key actions is inevitable, and misoperation or accurate instruction execution cannot be caused.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the remote controller capable of emitting the virtual keyboard by laser and the control method thereof, which can accurately identify various input instructions.
According to a first aspect of the present invention, a remote controller capable of emitting a virtual keyboard by laser includes: the signal processing module is used as a signal processing core of the remote controller; a projection module connected with the signal processor for laser emitting a virtual keyboard; the laser positioning module comprises an image acquisition module, a laser ranging module and an angle sensor which are respectively connected with the signal processing module, and the signal processing module calculates a key action signal according to a key action image fed back by the image acquisition module, distance data between a virtual keyboard and a remote controller acquired by the laser ranging module and angle data between the virtual keyboard and the remote controller acquired by the angle sensor; and the wireless transmitting module is used for converting the key action signals calculated by the signal processing module into wireless remote control signals and sending the wireless remote control signals.
The remote controller capable of lasing out the virtual keyboard according to the first embodiment of the invention has at least the following beneficial effects: on the basis of image identification, distance and angle data acquisition is expanded, so that the projection of the virtual keyboard is not limited in a small distance and angle range any more, and the real instructions on the virtual keyboard can be accurately identified by synthesizing signals of three dimensions of the image, the distance and the angle.
According to some embodiments of the invention, the signal processing module is connected to a key input module.
According to some embodiments of the invention, the signal processing module is connected to a voice input module.
According to some embodiments of the invention, a power module is connected to the signal processing module.
According to some embodiments of the invention, the image acquisition module is a CCD image sensor.
According to some embodiments of the invention, the angle sensor is a tilt sensor.
According to a second aspect of the present invention, a method for controlling a remote controller capable of lasing a virtual keyboard includes the following steps:
emitting a virtual keyboard by a laser source on a remote controller;
acquiring a key action image on the virtual keyboard, and distance data and angle data between the virtual keyboard and a remote controller;
calculating a key action signal according to the key action image, the distance data and the angle data;
and converting the key action signal into a wireless remote control signal and sending out the wireless remote control signal.
The method for controlling the remote controller capable of lasing out the virtual keyboard according to the second embodiment of the invention at least has the following beneficial effects: on the basis of image identification, distance and angle data acquisition is expanded, so that the projection of the virtual keyboard is not limited in a small distance and angle range any more, and the real instructions on the virtual keyboard can be accurately identified by synthesizing signals of three dimensions of the image, the distance and the angle.
According to some embodiments of the invention, the key motion image is compensated for multiples according to a ratio of the distance data to a standard distance.
According to some embodiments of the present invention, when the key motion signal is calculated, angle compensation is performed on the key motion image according to the angle data.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic block diagram of a remote controller according to a first embodiment of the present invention;
FIG. 2 is a schematic projection diagram of a remote controller according to a first embodiment of the present invention;
fig. 3 is a flowchart of a remote controller control method according to a second embodiment of the present invention.
Reference numerals:
a remote controller body 100, a laser source 200, a virtual keyboard 300,
A signal processing module 110, a projection module 120, a laser positioning module 130, a wireless transmission module 140, a voice input module 150, a key input module 160, a power supply module 170,
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 and 2, a remote controller capable of laser-emitting a virtual keyboard according to a first embodiment of the present invention includes: a signal processing module 110 as a signal processing core of the remote controller; the projection module 120 is positioned on the remote controller body 100, and the projection module 120 is connected with the signal processor and used for emitting laser light out of the virtual keyboard 300; the laser positioning module 130, the laser positioning module 130 includes an image acquisition module 131, a laser ranging module 132, and an angle sensor 133 connected to the signal processing module 110, respectively, the signal processing module 110 calculates a key action signal according to a key action image fed back by the image acquisition module 131, distance data between the virtual keyboard 300 and the remote controller acquired by the laser ranging module 132, and angle data between the virtual keyboard 300 and the remote controller acquired by the angle sensor 132; the wireless transmitting module 140 is configured to convert the key action signal calculated by the signal processing module 110 into a wireless remote control signal and send the wireless remote control signal.
According to the remote controller capable of lasing out the virtual keyboard 300, on the basis of image recognition, distance and angle data acquisition is expanded, so that the projection of the virtual keyboard 300 is not limited in a small distance and angle range any more, and the real instructions on the virtual keyboard 300 can be accurately recognized by integrating signals of three dimensions of the image, the distance and the angle.
In some embodiments of the present invention, the signal processing module 110 is connected with a key input module 160 as a device for inputting instructions conventionally.
In some embodiments of the present invention, the signal processing module 110 is connected to a voice input module 150 for recognizing a voice command.
In some embodiments of the present invention, a power module 170 is coupled to the signal processing module 110.
In some embodiments of the present invention, the image acquisition module 131 is a CCD image sensor.
In some embodiments of the present invention, the angle sensor 132 is a tilt sensor, and when the tilt sensor is at rest, i.e., no acceleration is applied in the lateral and vertical directions, then only gravitational acceleration is applied to it. The included angle between the gravity vertical axis and the sensitive axis of the acceleration sensor is the inclined angle.
As shown in fig. 3, a method for controlling a remote controller capable of lasing out a virtual keyboard 300 according to a second aspect of the present invention includes the following steps:
emitting a virtual keyboard 300 by laser through a laser source 200 on a remote controller;
collecting a key action image on the virtual keyboard 300, and distance data and angle data between the virtual keyboard 300 and a remote controller;
calculating a key action signal according to the key action image, the distance data and the angle data;
the key action signal is converted into a wireless remote control signal to be sent out.
And displaying the command of the corresponding remote control signal by the television.
According to the remote controller control method of the laser virtual keyboard 300 of the second embodiment of the invention, on the basis of image recognition, distance and angle data acquisition is expanded, so that the projection of the virtual keyboard 300 is not limited in a small distance and angle range any more, and the real instruction on the virtual keyboard 300 can be accurately recognized by synthesizing signals of three dimensions of the image, the distance and the angle.
In some embodiments of the present invention, the image of key actuation is compensated for multiples based on the ratio of the distance data to the standard distance.
In some embodiments of the present invention, the key motion signal is calculated by performing angle compensation on the key motion image according to the angle data.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. A remote controller capable of emitting virtual keyboard by laser is characterized by comprising:
the signal processing module is used as a signal processing core of the remote controller;
a projection module connected with the signal processor for laser emitting a virtual keyboard;
the laser positioning module comprises an image acquisition module, a laser ranging module and an angle sensor which are respectively connected with the signal processing module, and the signal processing module calculates a key action signal according to a key action image fed back by the image acquisition module, distance data between a virtual keyboard and a remote controller acquired by the laser ranging module and angle data between the virtual keyboard and the remote controller acquired by the angle sensor;
and the wireless transmitting module is used for converting the key action signals calculated by the signal processing module into wireless remote control signals and sending the wireless remote control signals.
2. The remote control capable of lasing out a virtual keyboard of claim 1, wherein the signal processing module is connected with a key input module.
3. The remote control capable of lasing out a virtual keyboard of claim 1, wherein the signal processing module is connected with a voice input module.
4. The remote control capable of lasing out a virtual keyboard of claim 1, wherein the signal processing module is connected with a power module.
5. The remote control capable of lasing out a virtual keyboard of claim 1, wherein the image acquisition module is a CCD image sensor.
6. The remote control capable of lasing out a virtual keyboard of claim 1, wherein the angle sensor is a tilt sensor.
7. A remote controller control method capable of laser outputting a virtual keyboard is characterized by comprising the following steps:
emitting a virtual keyboard by a laser source on a remote controller;
acquiring a key action image on the virtual keyboard, and distance data and angle data between the virtual keyboard and a remote controller;
calculating a key action signal according to the key action image, the distance data and the angle data;
and converting the key action signal into a wireless remote control signal and sending out the wireless remote control signal.
8. The method of claim 7, wherein the key motion image is compensated by a multiple of the distance data over a standard distance when calculating the key motion signal.
9. The method of claim 7 or 8, wherein the angle compensation is performed on the key motion image according to the angle data when the key motion signal is calculated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911051009.4A CN110913255A (en) | 2019-10-31 | 2019-10-31 | Remote controller capable of laser outputting virtual keyboard and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911051009.4A CN110913255A (en) | 2019-10-31 | 2019-10-31 | Remote controller capable of laser outputting virtual keyboard and control method thereof |
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| CN110913255A true CN110913255A (en) | 2020-03-24 |
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| CN201911051009.4A Pending CN110913255A (en) | 2019-10-31 | 2019-10-31 | Remote controller capable of laser outputting virtual keyboard and control method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101685342A (en) * | 2008-09-26 | 2010-03-31 | 联想(北京)有限公司 | Method and device for realizing dynamic virtual keyboard |
| US20140375539A1 (en) * | 2013-06-19 | 2014-12-25 | Thaddeus Gabara | Method and Apparatus for a Virtual Keyboard Plane |
| CN106155423A (en) * | 2015-04-28 | 2016-11-23 | 长城汽车股份有限公司 | Vehicle-mounted laser projection key system and vehicle |
| CN109871155A (en) * | 2019-01-29 | 2019-06-11 | 深圳市海派通讯科技有限公司 | It is embedded into the radium-shine projection input scheme of mobile terminal device |
| CN110209307A (en) * | 2019-06-12 | 2019-09-06 | 英华达（上海）科技有限公司 | Dummy keyboard and device and method for adjusting dummy keyboard projection angle |
-
2019
- 2019-10-31 CN CN201911051009.4A patent/CN110913255A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101685342A (en) * | 2008-09-26 | 2010-03-31 | 联想(北京)有限公司 | Method and device for realizing dynamic virtual keyboard |
| US20140375539A1 (en) * | 2013-06-19 | 2014-12-25 | Thaddeus Gabara | Method and Apparatus for a Virtual Keyboard Plane |
| CN106155423A (en) * | 2015-04-28 | 2016-11-23 | 长城汽车股份有限公司 | Vehicle-mounted laser projection key system and vehicle |
| CN109871155A (en) * | 2019-01-29 | 2019-06-11 | 深圳市海派通讯科技有限公司 | It is embedded into the radium-shine projection input scheme of mobile terminal device |
| CN110209307A (en) * | 2019-06-12 | 2019-09-06 | 英华达（上海）科技有限公司 | Dummy keyboard and device and method for adjusting dummy keyboard projection angle |
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