Telepilot and tv remote control system
Technical field
The utility model relates to telecontrol engineering field, particularly a kind of telepilot and tv remote control system.
Background technology
Universal along with the development of TV tech and network function, the application of televisor is more and more, is the more intelligent human-computer interaction device of televisor coupling, as has the telepilot of mouse function, has become the major issue that televisor producer considers.
Optical mouse is arranged in the market, bobbin type mouse, multiple mouse and the remote air mouse based on the gyroscope technology of controlling of realization such as touch pad mouse in the air.
Optical mouse, bobbin type mouse, touch pad mouse etc. are the mouses of control mode closely, but for this platform of watching at a distance of televisor, this type of mouse is difficult to meet the demands in dirigibility; And based on the air mouse of gyroscope technology, although can control at a distance, in use having power consumption based on the air mouse of gyroscope technology large in the air, the problem such as time-delay is long affect the experience of user's body.
Chinese patent application number is the technology that 03107900.8 patent also discloses a kind of analog mouse pointer, when it discloses the telepilot that uses with laser head and has penetrated laser projection point to a screen, by be connected with this computing machine, be arranged on the figure in the camera collection screen scope of screen rear, then carrying out image by this computing machine processes, identify and calculate the position coordinates of the laser projection point in image, as the coordinate of mouse pointer.
But when this technology will be applied to TV, camera need to be set on TV, and camera to be fixed in position, TV screen the place ahead, make TV structure complicated, and this make above-mentioned telepilot can't be applied to the TV that other do not contain camera.
The utility model content
In view of this, fundamental purpose of the present utility model is to provide telepilot and tv remote control system, realizing can reducing the complexity of TV when the analog mouse, and the TV that can be used for not containing camera.
The utility model provides a kind of telepilot, comprising: laser emission element is used for Emission Lasers; Image acquisition unit is used for collection and comprises the incident point of described laser and the image information of the screen that laser throws; Graphics processing unit is used for according to the image information that comprises described laser projection point and described screen, determines the laser projection point and is positioned at coordinate information on described screen; Trigger element is used for sending trigger message; The first wireless transmission unit; The telepilot control module, be electrically connected to respectively with described laser emission element, image acquisition unit, graphics processing unit, trigger element and the first wireless transmission unit, when being used for receiving the trigger message of trigger element, controls described laser emission element Emission Lasers, control that described image acquisition unit gathers image, the control graphics processing unit is determined coordinate information and this coordinate information is sent by the first wireless transmission unit.
By the laser head on using a teleswitch to TV screen Emission Lasers incident point, and obtain by the camera on telepilot the screen image information that laser head throws, and parse the positional information of the formed laser projection point of laser projection in TV screen from the image information of obtaining.Thereby can realize the location of TV screen by the laser head Emission Lasers on remote controller, and pass through to resolve captured screen image information by telepilot, obtain the coordinate information of laser projection point in screen picture, and this coordinate information is sent to the system that uses this telepilot, the function that has expanded telepilot.
Wherein, described laser emission element comprises Laser emission control chip and the laser head that is connected with described Laser emission control chip.
Control the laser head Emission Lasers by the Laser emission control chip, the easier emission of accurately controlling laser has improved the performance of telepilot.
Wherein, described image acquisition unit comprises camera.
Obtain image by camera, make the making of telepilot more be easy to realize.
Wherein, described camera direction is identical with described laser head transmit direction.
By the camera direction is identical with the laser head transmit direction, the easier screen image information that accurately obtains of telepilot is obtained the coordinate information of laser projection point in screen picture, the function that has expanded telepilot.
The utility model also provides a kind of tv remote control system, comprises above-mentioned arbitrary telepilot, and the televisor of institute's remote control, and described televisor receives described coordinate information as the mouse pointer coordinate information.
By the laser head on using a teleswitch to TV screen Emission Lasers incident point, and obtain by the camera on telepilot the screen image information that laser head throws, and parse the positional information of the formed laser projection point of laser projection in TV screen from the image information of obtaining.Thereby can realize the location of TV screen by the laser head Emission Lasers on remote controller.
The utility model also provides a kind of tv remote control system, comprises a telepilot, and the televisor of institute's remote control; Described telepilot comprises: laser emission element is used for Emission Lasers; Image acquisition unit is used for collection and comprises the incident point of described laser and the image information of the screen that laser throws; Trigger element is used for sending trigger message; The first wireless transmission unit; With the telepilot control module, be electrically connected to respectively with described laser emission element, image acquisition unit, trigger element and the first wireless transmission unit, when being used for receiving the trigger message of trigger element, control described laser emission element Emission Lasers, control described image acquisition unit collection image and this image is sent by the first wireless transmission unit; Described televisor receives described image, determines the laser projection point by the image information that comprises described laser projection point and described screen and is positioned at coordinate information on described screen, as the mouse pointer coordinate information.
By the laser head on using a teleswitch to TV screen Emission Lasers incident point, and obtain by the camera on telepilot the screen image information that laser head throws, pass through wireless transmission, image is passed to TV, resolve captured screen image information by TV, obtain the coordinate information of laser projection point in screen picture, thus the location that can realize TV screen by the laser head Emission Lasers on remote controller
Wherein, described TV comprises: the second wireless transmission unit; The graphics processing unit of TV is used for according to the image information that comprises described laser projection point and described screen, determines the laser projection point and is positioned at coordinate information on described screen; Tv control unit, the graphics processing unit that is used for offering by the image information that the second wireless transmission unit receives TV is processed, and the coordinate information that the graphics processing unit of TV is determined is as the mouse pointer coordinate information.
By wireless transmission, image is passed to TV, resolve captured screen image information by TV, obtain the coordinate information of laser projection point in screen picture, thus the location that can realize TV screen by the laser head Emission Lasers on remote controller,
Wherein, the laser emission element of described telepilot comprises Laser emission control chip and the laser head that is connected with described Laser emission control chip.
Control the laser head Emission Lasers by the Laser emission control chip, the easier emission of accurately controlling laser has improved the performance of telepilot.
Wherein, the image acquisition unit of described telepilot comprises camera.
Obtain image by camera, make the making of telepilot more be easy to realize.
Wherein, described camera direction is identical with described laser head transmit direction.
By the camera direction is identical with the laser head transmit direction, the easier screen image information that accurately obtains of telepilot is obtained the coordinate information of laser projection point in screen picture, the function that has expanded telepilot.
Description of drawings
Fig. 1 is the principle schematic of tv remote control system the first embodiment;
Fig. 2 is the principle schematic of tv remote control system the second embodiment.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in detail to the utility model.Referring to Fig. 1, telepilot provided by the invention comprises:
Laser emission element 10, be used for Emission Lasers, it comprises Laser emission control chip and the laser head that is connected with described Laser emission control chip, and the Laser emission control chip is used for activating the laser head Emission Lasers, the laser projection of launching can form the laser projection point on display screen the time.
Image acquisition unit 11 is used for collection and has the displaying screen images information of laser projection point, and image acquisition unit 11 can comprise a camera and interlock circuit.Wherein, the transmit direction of the laser head in laser emission element 10 is identical with camera direction in image acquisition unit 11, and like this, the laser projection point that laser head is sent can be positioned at the center of image that camera gathers all the time.
Graphics processing unit 14 for the treatment of the image information with laser projection point and screen pointed, is determined the coordinate information on the screen that the laser projection point is arranged in described image.Processing procedure comprises: carry out image recognition, identify gather laser projection point in image, identify four frames or four corners up and down of the screen in image, or further determine the center of screen, calculate the position relationship of described frame, corner or screen center position and described laser projection point, thereby calculate the coordinate information on the screen that this laser projection point is arranged in described image.
Trigger element 12 is used for sending a trigger message when the user needs analog mouse, and this information is used for triggering laser emission element 10 Emission Lasers and image acquisition unit gathers image.Trigger element 12 can be a button that is arranged on telepilot, can be also a virtual key or virtual switch etc., and the telepilot that for example has touch-screen touches virtual key or the virtual switch of screen display by it.When the user presses described button, can send a trigger message, this trigger message can be a key assignments, also can be a trigger pip, as high/low level signal.
The first wireless transmission unit 15 is used for carrying out communication between telepilot and display screen.The first wireless transmission unit 15 can comprise RF transceiver, bluetooth transceiver, 2.4G wireless transceiver etc.
telepilot control module 13, with above-mentioned laser emission element 10, image acquisition unit 11, graphics processing unit 14, trigger element 12 and the first wireless transmission unit 15 are electrically connected to respectively, when being used for receiving the trigger message of trigger element 12, control described laser emission element 10 Emission Lasers and control simultaneously described image acquisition unit 11 and obtain the displaying screen images with laser projection point, and control graphics processing unit 14 and determine coordinate information on the screen that the laser projection point is arranged in described image from described image, coordinate information as the mouse pointer of controlling, be sent to the intelligent television of institute's remote control by the first wireless transmission unit 15.
Above-described embodiment is to carry out function that image processes the coordinate information calculate mouse pointer by realizing on telepilot, and this is based on that present processing unit performance is strong and cost is lower and realizes.When if telepilot does not adopt the high-performance treatments unit, above-mentioned image processes the function of the coordinate information of computing mouse pointer also can be realized by the intelligent television of institute's remote control, namely shows this embodiment as Fig. 2, is described referring to Fig. 2:
Be from the different of the described embodiment of Fig. 1 for telepilot, it no longer contains graphics processing unit, when its telepilot control module 13 is used for receiving the trigger message of trigger element 12, control described laser emission element 10 Emission Lasers and control simultaneously described image acquisition unit 11 and obtain the displaying screen images with laser projection point, this image being sent to the intelligent television of institute's remote control by the first wireless transmission unit 15.
Corresponding intelligent television comprises:
The second wireless transmission unit 20 is used for the communication with telepilot;
A graphics processing unit with graphics processing unit 14 functions of telepilot in the first embodiment is processed the coordinate information of determining on the screen that the laser projection point is arranged in described image by this image;
Tv control unit 22, be electrically connected to the second wireless transmission unit 20 and the second graphics processing unit 21, process for the described graphics processing unit that will offer by the image information that the second wireless transmission unit 20 receives TV, and the control of carrying out corresponding mouse pointer according to the coordinate information that graphics processing unit provides.
The below is described in detail the utility model principle of work with embodiment corresponding to Fig. 1.
The user presses certain button of trigger element 12, send a trigger pip to control module 13, after control module 13 is received this trigger pip, the Laser emission control chip of controlling laser emission element 10 activates the laser head Emission Lasers, the laser head 12 of controlling simultaneously image acquisition unit 11 gathers image, therefore because camera 13 directions are identical with the laser head transmit direction, can collect the image that contains laser projection point and TV screen pointed.
The image that the control module 13 of telepilot obtains image acquisition unit 11 sends the graphics processing unit 14 of telepilot to, the image that comprises laser projection point and screen that 14 pairs of graphics processing units receive is processed, calculate the coordinate information on the screen that the laser projection point is arranged in described image, coordinate as mouse pointer, send to televisor by the first wireless transmission unit 15, the control module 22 of televisor is controlled mouse pointer according to the coordinate that receives.
Embodiment corresponding to Fig. 2 by the control module 13 of telepilot directly just the image that obtains of image acquisition unit 11 send to televisor by the first wireless transmission unit 15, televisor receives this screen image information by the second wireless transmission unit 20, the control module 22 of televisor is processed the graphics processing unit that the screen image information that receives sends TV to, calculate the coordinate information on the screen that the laser projection point is arranged in described image, then mouse pointer is controlled according to described coordinate by the control module 22 of televisor.
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; based on any modification of doing within spirit of the present utility model and principle, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.For example, although the present invention describes as an example of TV remote controller example, can be also the telepilot of any screen, as projector remote controller etc.