CN101227569A - Television box and television box set - Google Patents
Television box and television box set Download PDFInfo
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- CN101227569A CN101227569A CNA2008100068511A CN200810006851A CN101227569A CN 101227569 A CN101227569 A CN 101227569A CN A2008100068511 A CNA2008100068511 A CN A2008100068511A CN 200810006851 A CN200810006851 A CN 200810006851A CN 101227569 A CN101227569 A CN 101227569A
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Abstract
A television box is suitable to be connected by several computers, which has a radio frequency treatment module for receiving and transforming the radio frequency, a signal treatment module for receiving and transforming the image and sound signals, and a picture in picture image processor for conducting the primary and secondary image treatment for the two signals. The control module of the television box chooses the signal which is about to be outputted and is transformed into the image and sound signals for displaying on a computer screen according to the commands, wherein the commands comes from the instructions of a users or the control signals which are transmitted from the other television box. The multi-computer television box can be used through the connection way, thereby improving the limitation that the single computer screen matches with the single television box.
Description
Technical field
The invention relates to a kind of image communication system, and particularly relevant for a kind of TV box.
Background technology
In recent years, use computer screen obviously to increase as the demand of video screen, being generally Connects Power host computer and computer screen looks box, TV box is connected tv line or antenna again, just can change the vision signal that TV station transmits by TV box, and on computer screen, watch.
Yet the unit that is designed to of general TV box uses, and promptly a computer screen only can connect a TV box.When the user wants to watch the program of two television channels simultaneously, solve by two kinds of schemes usually.One utilizes the built-in band prebrowsing function of TV box to watch a plurality of channels simultaneously.But, because each TV box has only a cover to handle the circuit of vision signal, therefore when using band prebrowsing function, TV box needs to switch mutually in a plurality of television channels, so make that the picture of each channel is all desultory, can't play glibly.
Second solution then is to connect the two computers screen with two TV box, can view and admire two channel programs simultaneously, and picture is all smooth complete.But it is not only with high costs to prepare two cover TV box, computer screen and relevant peripheral equipment, and peripheral equipments such as sound equipment and remote controller can't integrate, and has many restrictions and inconvenience in the operation.
Based on the problems referred to above, therefore need a kind of new TV box, can a plurality of TV box connect use.Not only can on a computer screen, play multi-channel programme simultaneously, can also control many TV box simultaneously, make things convenient for the user to operate by a control interface.
Summary of the invention
One aspect of the present invention is to provide a kind of TV box, can be used for being connected with one second TV box.Improve the arrange in pairs or groups restriction of single TV box of traditional single computer screen, make things convenient for the user to use operation.
One radio frequency processing module is arranged in the TV box,, and radiofrequency signal is converted into the first digital audio-video signal in order to received RF signal.In addition, a signal processing module is arranged in the TV box, connect second TV box and receive first video-audio signal that second TV box is exported, and first video-audio signal is converted to the second digital audio-video signal.Then, by coupling the picture-in-picture image processor of this radio frequency processing module and this signal processing module, the first digital audio-video signal and the second digital audio-video signal are carried out the PIP processing, to produce one the 3rd digital audio-video signal.
The control module of TV box can receive user's order, also can receive the order of being sent by second TV box.Control module also connects radio frequency processing module, signal processing module and picture-in-picture image processor, and according to the order that is received, selection in the first digital audio-video signal, the second digital audio-video signal and the 3rd digital audio-video signal, make it be converted into second video-audio signal, play for computer screen.
Hence one can see that, and the TV box of present embodiment can many stacks use, by the PIP playing function of TV box, makes the user to view and admire the TV programme of two different channels simultaneously on same computer screen.And the user only needs TV box is wherein assigned operational order, can transmit operational order mutually between the TV box, can control all TV box simultaneously, makes things convenient for the user to manipulate.
The present invention is to provide a kind of on the other hand to have two TV box and stacks together TV box group.Two TV box are handled the radiofrequency signal of two different television channels respectively, are integrated into PIP by a TV box again, and output is on single computer screen.Realize that single screen views and admires the requirement of multi-channel programme, and need not sacrifice the program picture quality.
First TV box in the TV box group has the first radio frequency processing module, in order to receiving first radiofrequency signal, and converts first radiofrequency signal to one first digital audio-video signal.And the ACTIVE CONTROL module of first TV box connects this first radio frequency processing module, receives user's order, and produces a control signal to control first and second TV box according to order.In first TV box, the ACTIVE CONTROL module can become one first video-audio signal with the first digital audio-video conversion of signals according to control signal.In addition, ACTIVE CONTROL module transmission of control signals to the first radio frequency processing module, and the first radio frequency processing module is switched the channel of first radiofrequency signal according to control signal.
Second TV box that couples first TV box has one second radio frequency processing module, in order to receiving second radiofrequency signal, and converts thereof into the second digital audio-video signal.One signal processing module of second TV box connects the ACTIVE CONTROL module of first TV box, receiving first video-audio signal, and converts thereof into the 3rd digital audio-video signal.Also have a picture-in-picture image processor in second TV box, the second digital audio-video signal and the 3rd digital audio-video signal are carried out the PIP processing, to produce the 4th digital audio-video signal.
One Passive Control module of second TV box connects the ACTIVE CONTROL module of first TV box and this picture-in-picture image processor, receiving the control signal that first TV box produces.Wherein, the Passive Control module can be according to control signal and the 4th digital audio-video signal, and form one second video-audio signal, plays for computer screen.In addition, the Passive Control module also can transmit and control signal to the second radio frequency processing module, makes the second radio frequency processing module switch the channel of second radiofrequency signal according to control signal.
Hence one can see that, and the user only needs first TV box is assigned operational order, can control two TV box simultaneously.In addition, after the radiofrequency signal that different TV stations send is handled respectively through two TV box,, therefore only need the audio-visual peripheral equipment of a cover to be connected on second TV box, make things convenient for the user to operate finally by the output of second TV box.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
For above-mentioned and other purposes of the present invention, feature, advantage and embodiment can be become apparent, being described in detail as follows of appended accompanying drawing:
Figure 1 shows that calcspar according to a kind of TV box of an embodiment;
Figure 2 shows that the calcspar of a kind of TV box group of embodiment in addition according to the present invention;
Figure 3 shows that the flow chart of the method for operation of a kind of TV box according to another embodiment of the present invention.
Wherein, Reference numeral
10: TV box group 110: the radio frequency processing module
100: TV box 112: the rf inputs mouth
112: rf inputs 114: tuner
114: tuner 118: inside antenna
116: analog-digital converter 120: signal processing module
118: inside antenna 130: the picture-in-picture image processor
122: signal input part 142: the command transfer end
140: control module 144: receiver
142: order transmission end 150: Passive Control module
146: switch 170: computer
160: radiofrequency signal receiving system 200: TV box
180: computer screen 220: the pcs signal processing module
210: radio frequency processing module 240: the ACTIVE CONTROL module
230: picture-in-picture image processor 300: method of operation
310-380: step
Embodiment
The invention provides a kind of TV box, be applicable to that a plurality of TV box stack connection.Improve the arrange in pairs or groups restriction of single TV box of traditional single computer screen, make things convenient for the user to use operation.
Please refer to Fig. 1, it is depicted as a kind of TV box 100 according to one embodiment of the invention.TV box 100 is applicable to that many TV box interconnect, and shared same computer screen 180.In Fig. 1, TV box 100 connects a TV box 200.
Have a radio frequency processing module 110, a signal processing module 120 and a picture-in-picture image processor 130 in TV box 100 inside.Radio frequency processing module 110 is responsible for receiving and changing the radiofrequency signal that TV station provides, and produces corresponding digital audio-video signal.Signal processing module 120 connects TV box 200, and the video-audio signal that TV box 200 is produced converts the digital audio-video signal to.In other words, when the radiofrequency signal of TV box 100 and TV box 200 during from different television channel, the television channel program that on behalf of TV box 100, the digital audio-video signal that radio frequency processing module 110 is produced receive, the digital audio-video signal that signal processing module 120 is produced is then represented the television channel of TV box 200.
Then, two digital audio-video signals all are sent to picture-in-picture image processor 130, handle to carry out PIP, and equally also export with the digital audio-video signal.At last, in three digital video-audio signals, select one, and convert thereof into the output video-audio signal that the brain screen 180 of can powering is play by control module 140.Therefore, the user can select the television channel program desiring to view and admire or the PIP of selecting two channel programs together to occur voluntarily.Below describe in detail with regard to each element in the TV box 100.
Radio frequency processing module 110 is used for received RF signal, and converts radiofrequency signal to the digital audio-video signal.Radiofrequency signal is sent out by each TV station, receives by radiofrequency signal receiving systems such as antenna 160.One rf inputs mouth 112 is arranged in the radio frequency processing module 110, in order to connect radiofrequency signal receiving system 160, similarly is antenna, disc-shaped antenna etc., with the input radio frequency signal.In addition, in the present embodiment, radio frequency processing module 110 has an inside antenna 118, is used for received RF signal.
One tuner 114 connects rf inputs mouth 112 and inside antenna 118, the radiofrequency signal of input is carried out tuning processing, and produce analog signal.Particularly, radiofrequency signal is the analog signal of high frequency, and tuner 114 is responsible for the radiofrequency signal amplification and is mixed down to intermediate frequency range.In addition, be loaded with the signal of a plurality of television channels in the radiofrequency signal usually, and tuner 114 also can be selected a channel in numerous channels, and filter the signal of other channels, promptly carry out the action of channel selection.Radio frequency processing module 110 still comprises an analog-digital converter 116, connects tuner 114, and the analog signal conversion after the tuning processing is become the digital audio-video signal.
Picture-in-picture image processor 130 connects radio frequency processing module 110 and signal processing module 120 respectively, receives the digital audio-video signal of its generation, handles and produce the digital audio-video signal of a correspondence two digital audio-video signals are carried out PIP.In general, PIP can be subdivided into picture-in-picture (picture-in-picture, PIP) pattern, draw picture (picture-on-picture, POP) pattern and double vision window (picture-and-picture, PAP) pattern.Wherein, picture-in-picture mode is for to play a digital video-audio signal with full screen, and exports its audio, and another digital audio-video signal is then play to neglect window.The position of little form can arbitrarily change.And draw the picture mode class like picture-in-picture mode, but the position of little form is fixing.Double vision window pattern then is that screen area is divided into juxtaposed two pictures, plays two digital video-audio signals respectively, and the audio of two digital audio-video signals is respectively by two outputs of audio output equipment, for example loudspeaker and earphones.
When TV box 100 and TV box 200 stack when being connected, except integrating the video/audio function, also have the function of operation control integration of interface, be beneficial to the user and control TV box 100 and TV box 200 simultaneously.Particularly, have an order transmission end 142 in the control module 140 of TV box 100, connect TV box 200.When TV box 100 is Active Control Mode, when receiver 144 receives the user's that remote controller 190 transmits order, transfer commands in the control module 140, transmit TV box 200 by control module 140 by order transmission end 142 again, with operation TV box 200.Otherwise when TV box 100 was the Passive Control pattern, control module 140 can receive the order of being transmitted by TV box 200 by order transmission end 142, and according to each action of command execution, as work such as channel conversion, volume adjustment or picture regulation and control.In the present embodiment, radio frequency processing module 110 is understood the channel of its radiofrequency signal of command selection that transmits according to control module 140.In addition, in the present embodiment, still comprise a switch 146, in order in Active Control Mode and Passive Control pattern, to switch.Particularly, switch 146 link control modules 140, receiver 144 and order transmission end 142 are selected one in receiver 144 and order transmission end 142, it is connected with control module 140.
By the foregoing description as can be known, TV box 100 can be connected use with other TV box, breaks through the restriction of the corresponding single computer screen of single TV box.When TV box 100 stacked connection, its video-audio signal can integrate, by mutually same computer screen 180 outputs, and shared same set of peripheral audio-visual devices.Moreover because control module 140 also can integrate, the user only needs TV box 100 is wherein assigned instruction, just can control other TV box simultaneously.
Foregoing is a kind of TV box 100 according to an embodiment, then with another embodiment is described being connected and effect of TV box 100 and TV box 200.Please refer to Fig. 2, it is depicted as TV box group 10 according to another embodiment of the present invention.One TV box 100 and a TV box 200 are arranged in the TV box group 10, and both are connected to each other.TV box 100 receives the video-audio signal of TV box 200 outputs, is resent to computer screen 180 after the integration.Simultaneously, TV box 200 is responsible for receiving and handling user's order, and according to order control TV box 200 and TV box 100.Be described in detail as follows.
One ACTIVE CONTROL module 240 is arranged in the TV box 200, in order to reception user's order, and according to order control TV box 200 and TV box 100.Particularly, ACTIVE CONTROL module 240 connects the Passive Control module 150 of TV box 100.And when the user ordered to receiver 144 with remote controller 190 transmission one, the order that receiver 144 will receive was sent to ACTIVE CONTROL module 240.And receive users' order when ACTIVE CONTROL module 240 after, it produces the control signal of a correspondence according to order, and control signal is sent to Passive Control module 150.ACTIVE CONTROL module 240 and Passive Control module 150 all can be carried out every work according to control signal, for example switching TV channel, adjustment volume or picture etc.In addition, in the present embodiment, ACTIVE CONTROL module 240 can transfer to radio frequency processing module 210 with control signal, makes radio frequency processing module 210 can select the channel of radiofrequency signal according to control signal.Similarly, Passive Control module 150 also can transfer to control signal radio frequency processing module 110, makes it select the channel of radiofrequency signal according to control signal.
Therefore, the user only gives an order to ACTIVE CONTROL module 240, just can control TV box 200 and TV box 100 simultaneously.Reach and integrate its control interface, be beneficial to and use operation.
Picture-in-picture image processor 130 connects radio frequency processing module 110 and signal processing module 120, the 4th and the 5th digital audio-video signal is carried out PIP handle, and produce the 6th corresponding digital audio-video signal.About being connected and acting on and being specified in all of radio frequency processing module 110, signal processing module 120 and picture-in-picture image processor 130, just no longer add to give unnecessary details at this.
For instance, when the user desires to view and admire the program of the first and second two television channels, can communicate commands to receiver 144 by remote controller 190, reach ACTIVE CONTROL module 240 by receiver 144 again, and formation one control signal is sent to radio frequency processing module 210, Passive Control module 150 in ACTIVE CONTROL module 240.Radio frequency processing module 210 is converted into the digital audio-video signal according to the radiofrequency signal of control signal selection first television channel.ACTIVE CONTROL module 240 is also selected the video-audio signal of digital audio-video signal for output according to control signal.The control signal that radio frequency processing module 110 transmits according to Passive Control module 150, the radiofrequency signal of selection second television channel.Passive Control module 150 then selection will have first and second television channels PIP the digital audio-video conversion of signals for output video-audio signal.
In the present embodiment, 210 of radio frequency processing module 110 and radio frequency processing modules do not have a rf inputs mouth 112, a tuner 114 and an inside antenna 118.Inside antenna 118 is used for received RF signal.Rf inputs mouth 112 is in order to connect radiofrequency signal receiving system 160, by radiofrequency signal receiving system 160 received RF signals.Tuner 114 connects rf inputs mouth 112 and inside antenna 118, and the radiofrequency signal of input is carried out tuning processing.
As described above, during tuner 114 work, the signal that can choose a television channel carries out tunning effect, and filters and remove other signals.Therefore, when the user watched the program of plural television channel simultaneously with single TV box 100, tuner 114 must switch between each television channel, and then caused each picture all intermittent, can't play continuously.
In the present embodiment, TV box 100 and TV box 200 have a tuner 114 respectively.When the user desires to view and admire two programs simultaneously, make the radiofrequency signal of tuner 114 responsible television channels of TV box 100, and the tuner 114 of TV box 200 is responsible for the radiofrequency signal of another television channels.Because 114 need of each tuner are responsible for a channel, needn't switch between channel, so can not destroy the continuity of picture.
Though in the present embodiment, only with the example that is connected to of a TV box 100 and TV box 200.Yet in fact, the quantity of the TV box 100 that TV box group 10 is comprised can be a plurality of, is not limited only to one.
Based on foregoing as can be known, when a plurality of TV box stack series connection when using, the video-audio signal of each TV box is able to mutual transmission, and the control interface is that control signal is able to unified integration, so that manage each TV box as a whole.Figure 3 shows that a kind of flow chart of method of operation 300 of TV box according to another embodiment of the present invention.How to operate a plurality of TV box in order to explanation, and the video-audio signal of each TV box of unified integration and control signal, by playing on the computer screen.
The step of method of operation 300 is as follows respectively.Step 310: use first TV box conversion radiofrequency signal to become the first digital audio-video signal.Step 320: use second TV box conversion radiofrequency signal to become the second digital audio-video signal.Then be step 330: transmit first digital audio-video signal to the second TV box.Therefore, the first digital audio-video signal from first TV box is arranged in second TV box, and the second digital audio-video signal that itself produces.
Step 340: use first TV box to form control signal.In step 340, first TV box can receive user's order by receiver.Particularly, the user can utilize remote controller to transmit the receiver of remote-control sytem that infrared signal is given first TV box.Perhaps, the user can use the control panel input command on first TV box.After first TV box receives order, can produce corresponding control signal according to order.
Then be step 350: transmission of control signals to the second TV box.Therefore, first TV box and second TV box all can be according to control signal work.For instance, first TV box and second TV box are all switched the channel of radiofrequency signal according to control signal.In addition, in step 350, still comprise the receiver of closing second TV box, make second TV box can't receive user's order.
Next be step 360: use second TV box to form the PIP signal.Particularly, second TV box can with the first digital audio-video signal and the second digital audio-video signal combination, be carried out PIP and handle to form a PIP signal according to control signal.
Then be step 370: the PIP conversion of signals is become video-audio signal.In step 370, second TV box can be changed the PIP signal according to control signal, and forms a video-audio signal that meets the computer screen broadcast format.Be step 380 at last: use the second TV box transmitting audio-video signal to computer screen, play for computer screen.
Though the present invention discloses as above with a preferred embodiment; right its is not in order to limit the present invention; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. a TV box is applicable to connect one second TV box, it is characterized in that this TV box comprises at least:
One radio frequency processing module in order to receiving a radiofrequency signal, and is converted to one first digital audio-video signal with this radiofrequency signal;
One signal processing module connects this second TV box, receiving one first video-audio signal of this second TV box output, and this first video-audio signal is converted to one second digital audio-video signal;
One picture-in-picture image processor couples this radio frequency processing module and this signal processing module, in order to this first digital audio-video signal and this second digital audio-video signal are carried out the PIP processing, to produce one the 3rd digital audio-video signal;
One control module, connect this radio frequency processing module, this signal processing module and this picture-in-picture image processor, and according to an order, selection becomes one second video-audio signal in this first digital audio-video signal, this second digital audio-video signal and the 3rd digital audio-video signal, plays for a computer screen.
2. TV box according to claim 1 is characterized in that, more comprises a command transfer end and connects this control module and this second TV box, in order to transmit this order that this second TV box produced to this control module.
3. TV box according to claim 2 is characterized in that, more comprises a receiver and connects this control module, in order to receive this order of a user.
4. TV box according to claim 3 is characterized in that, more comprises a switch and connects this receiver, this command transfer end and this control module, and one of them is connected this control module in order to select this receiver and this command transfer end.
5. TV box according to claim 4 is characterized in that, this control module is transmitted this order to this radio frequency processing module, and this radio frequency processing module is according to the channel of this this radiofrequency signal of command selection.
6. TV box according to claim 1 is characterized in that, this radio frequency processing module comprises:
One rf inputs mouth is in order to connect a radiofrequency signal receiving system, to import this radiofrequency signal; And
One tuner connects this rf inputs mouth, and this radiofrequency signal is carried out tuning processing.
7. TV box according to claim 6 is characterized in that, this radio frequency processing module more comprises an inside antenna, connects this tuner, in order to receive this radiofrequency signal.
8. a TV box group is characterized in that, comprises:
One first TV box comprises:
One first radio frequency processing module in order to receiving one first radiofrequency signal, and converts one first digital audio-video signal to;
One ACTIVE CONTROL module, connect this first radio frequency processing module, in order to the order that receives a user to produce a control signal, and this first digital audio-video conversion of signals is become one first video-audio signal according to this control signal, and transmit this and control signal to this first radio frequency processing module, wherein this first radio frequency processing module is switched the channel of this first radiofrequency signal according to this control signal;
One second TV box couples this first TV box, comprises:
One second radio frequency processing module in order to receiving one second radiofrequency signal, and converts one second digital audio-video signal to;
One signal processing module connects this ACTIVE CONTROL module, in order to receiving this first video-audio signal, and converts one the 3rd digital audio-video signal to;
One picture-in-picture image processor connects this second radio frequency processing module and this signal processing module, in order to this second digital audio-video signal and the 3rd digital audio-video signal are carried out the PIP processing, to produce one the 4th digital audio-video signal; And
One Passive Control module, connect this ACTIVE CONTROL module and this picture-in-picture image processor, in order to receive this control signal, and transmit this and control signal to this second radio frequency processing module, and form one second video-audio signal according to this control signal and the 4th digital audio-video signal, play for a computer screen, wherein this second radio frequency processing module is switched the channel of this second radiofrequency signal according to this control signal.
9. TV box group according to claim 8, it is characterized in that, this passive module connects this second radio frequency processing module and this signal processing module, and, in this second digital audio-video signal, the 3rd digital audio-video signal and the 4th digital audio-video signal, select one to be converted into this second video-audio signal according to this control signal.
10. TV box group according to claim 8 is characterized in that, this first radio frequency processing module and this second radio frequency processing module respectively comprise a tuner, respectively in order to this first radiofrequency signal and this second radiofrequency signal are carried out tuning processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100068511A CN101227569A (en) | 2008-02-01 | 2008-02-01 | Television box and television box set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100068511A CN101227569A (en) | 2008-02-01 | 2008-02-01 | Television box and television box set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101227569A true CN101227569A (en) | 2008-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100068511A Pending CN101227569A (en) | 2008-02-01 | 2008-02-01 | Television box and television box set |
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| CN (1) | CN101227569A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102265608A (en) * | 2008-12-24 | 2011-11-30 | 三菱电机株式会社 | Digital broadcast receiver |
-
2008
- 2008-02-01 CN CNA2008100068511A patent/CN101227569A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102265608A (en) * | 2008-12-24 | 2011-11-30 | 三菱电机株式会社 | Digital broadcast receiver |
| CN102265608B (en) * | 2008-12-24 | 2014-08-27 | 三菱电机株式会社 | Digital broadcast receiver |
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Open date: 20080723 |