CN1717021A - Digita-analogue set top box - Google Patents
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- CN1717021A CN1717021A CNA2005100833730A CN200510083373A CN1717021A CN 1717021 A CN1717021 A CN 1717021A CN A2005100833730 A CNA2005100833730 A CN A2005100833730A CN 200510083373 A CN200510083373 A CN 200510083373A CN 1717021 A CN1717021 A CN 1717021A
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Abstract
This invention relates to a digital analog set-top box used among a digital TV signal source, an analog TV signal and a display including a shell, a digital demodulate unit set in the shell, a decoder set in the shell connected with said digital demodulation unit, an analog demodulation unit set in the shell, an image signal processor set in the shell connected with the decoder, the analog demodulation unit and said display and a micro-controller set in the shell connected with said digital demodulating unit, the decoder, the analog demodulating unit and said image signal processor, which integrates the digital and analog process functions in a same set successfully.
Description
Technical field
The present invention relates to a kind of digita-analogue set top box, particularly a kind of digita-analogue set top box that is applied between digital television signal source, anolog TV signals source and a display.
Background technology
Before cable TV (cable TV) did not also develop, the TV programme signal that television station sent was the topmost object of watching of general domestic consumer.Seeing also Fig. 1 (a), is the schematic diagram that a conventional television 10 receives the TV programme signal that a television station 1 sent.And so-called radiovision, be by the radio frequency (radio frequency) of this television station 1 with a kind of radio wave form transmission, on this conventional television 10 that is sent in the air in the user family, therefore, so long as this conventional television 10 of user possesses the antenna 11 that the radio wave receiving function is arranged, then can watch the TV programme that this television station 1 is sent.
And since wired television channel is open, passed through long-term development, its cable television channels compared with the radiovision channel, except more number of channels is arranged, its content of TV program is more horn of plenty and diversification also, simultaneously also because the development of cable television channels and people's life is more closely bound up, so, almost become the information that compatriots can not lack and obtain the source.Seeing also Fig. 1 (b), is that a cable TV signal source 2 is applied in the block diagram on this conventional television 10 of general family expenses.And so-called cable TV, be because cable TV station is with the transmission as its TV programme signal of the mode of cable, in addition, if this conventional television 10 does not also have the words of the channel channel selection function of built-in cable TV, then also need to add a channel station selector 12, can receive the signal that this cable TV signal source 2 is sent.Therefore, see also Fig. 1 (c), be applied in the block diagram on the simulated television 13 of a built-in channel selection function for this cable TV signal source 2.The channel selection function of cable television channels that this simulated television 13 is just built-in, therefore as long as be connected with this cable TV signal source 2 of these simulated television 13 their locations, just can receive the programme signal of cable TV station, and this also is the most common in the at present general family, also the most general occupation mode.
Yet in response to some different operating positions, for example: the user does not buy television set, but the custom of using personal computer is arranged but, or in order to save the space, and utilize personal computer to receive cable TV signal, just computer screen is used as television set.See also Fig. 1 (d), for this cable TV signal source 2 and a personal computer 3 are applied in block diagram on the same display 14.Thus shown in the figure as can be known, as long as a TV box (TV box) 15 is installed between this personal computer 3 and this display 14, just can receive the programme signal in this cable TV signal source 2 and the signal that this personal computer 3 is produced simultaneously, and and then export on this display 14 and play; And commercially available general TV box all has the function that picture switches at present, and channel station selector, just can export and switch between the picture in this personal computer 3 and this cable TV signal source 2, therefore, the user is as long as buy more the TV box of this class separately, can allow the function of own computer screen while with display picture and television image.
In addition, entering digitized today, along with the development of Digital Television and the progress of Digital Signal Processing, the epoch of digital television program also arrive.Because no matter traditional TV signal is wireless or cable TV, mostly its transmission manner is to transmit with analog signal, therefore can accumulate the many noises that can't remove in the process of transmission, and influence the quality of playing; Yet, if the words of transmitting with digital signal, the definition in can keeping its transmission course, digital signal has also had compressible characteristic, so can on same channel, load the more programme information of high power capacity, or even can also increase other various signal processing mode.
Seeing also Fig. 1 (e), is the formation schematic diagram of a Digital Television 40.In this figure, this Digital Television 40 is made up of a television set 16, a set-top box (Set-Top Box) 17 and one digital television signal source 4; Therefore, thus shown in the figure as can be known, this Digital Television 40 is a complex noun, promptly need include these above-mentioned assemblies, just can watch digital television program.Because the present employed domestic television set of ordinary consumer, mostly all still be to receive the analog television set of analog catv signal, though, the digital television program of present China, can broadcast the wireless digital TV-set program through years of development by television station, but, if not having used the digital television product of wireless digital TV-set signal receiver built-in, then must install additional in addition again on these analog television sets 16 one can receive the set-top box 17 of wireless digital TV-set signal after, can watch the wireless digital TV-set program that television station broadcasts.
So, this television set 16 among Fig. 1 (e) can be general conventional television, simulated television, computer display, or liquid crystal TV set or the like, this set-top box 17 of being arranged in pairs or groups then also need be complied with its receivable signal, and the function that shows different kenel channels arranged, for example: wireless digital TV-set signal receiving box, digital catv signal receiving box, satellite digital TV signal receiving box, or wideband network digital television signal receiving box or the like.In addition, the digital television product of being sold on the market at present then has only the wireless digital TV-set machine that can receive the wireless digital TV-set signal, and does not occur the product of wired digital television as yet.
See also Fig. 1 (f), for this digital television signal source 4 and this personal computer 3 are applied in block diagram on the identical display 14.This set-top box 17 among this figure shown in this TV box 15 among Fig. 1 (d), except having the function that receives the TV programme signal that this digital television signal source 4 broadcasted, also have and 3 output signals of this personal computer between the function switched of picture.
Therefore, by above-mentioned known technology as can be known, if when the user need watch digital television program simultaneously with general analog television program on display 14, just must prepare set-top box 17 and TV box 15 simultaneously, will cause so that circuit is complicated, the problem of inconvenient operation.Therefore, how can be on general user's limited hardware resource, with and effective planning in related hardware space and configuration on, the signal that comes from these different devices can be done one effectively integrates, even be to allow the user in operation, have easier and interface more easily, just become main purpose of the present invention.
Summary of the invention
The present invention is a kind of digita-analogue set top box, is applied between a digital television signal source, an anolog TV signals source and the display, and this digita-analogue set top box comprises: a housing; One digital demodulation unit is arranged in this housing, and it receives the digital television signal that this digital television signal source sends and carries out demodulation and produce a digital data stream; One decoder is arranged in this housing, is electrically connected on this digital demodulation unit, and it receives this digital data stream and deciphers and produce one first picture signal; One analog demodulator unit is arranged in this housing, and it receives anolog TV signals that send in this anolog TV signals source and carries out demodulation and produce one second picture signal; One image-signal processor, be arranged in this housing, be electrically connected on this decoder, this analog demodulator unit and this display, it receives this first picture signal and this second picture signal is handled, and then exports a shows signal to this display and show; An and microcontroller, be arranged in this housing, be electrically connected on this digital demodulation unit, this decoder, this analog demodulator unit and this image-signal processor, it is controlled this image-signal processor and handles and export should first picture signal or this shows signal of this second picture signal content selecting one in this first picture signal and this second picture signal in response to the variation of a user mode.
According to above-mentioned conception, digita-analogue set top box of the present invention, wherein more comprise a Signal connector, be arranged on this housing, it is electrically connected to a coaxial signal line, this digital demodulation unit and this analog demodulator unit, and it receives online this digital television signal that transmits of this coaxial signal and this anolog TV signals simultaneously and change and reaches this digital demodulation unit and this analog demodulator unit.
According to above-mentioned conception, digita-analogue set top box of the present invention wherein more comprises: one first Signal connector is arranged on this housing, it is electrically connected to a digital transmission line, and it receives online this received digital television signal of this Digital Transmission and change and reaches this digital demodulation unit; And a secondary signal joint, being arranged on this housing, it is electrically connected to a mimic transmission line and this analog demodulator unit, and it receives online these anolog TV signals that transmit of this analogue transmission and changes and reaches this analog demodulator unit.
According to above-mentioned conception, digita-analogue set top box of the present invention, wherein this decoder is a MPEG2 decoder, it receives this digital data stream and deciphers and produce this first picture signal and be sent to this image-signal processor, and this first picture signal can be one first data image signal/or one first analog picture signal.
According to above-mentioned conception, digita-analogue set top box of the present invention, wherein this digital demodulation unit comprises: a digital TV front-end unit, be electrically connected on this first Signal connector, and it carries out this digital television signal the intermediate-freuqncy signal that produces after frequency-selecting and the down-conversion; And a demodulator, being electrically connected on this digital TV front-end unit, it receives this intermediate-freuqncy signal and carries out demodulation and produce this digital data stream.
According to above-mentioned conception, digita-analogue set top box of the present invention, wherein this microcontroller is that signal is connected to a control interface, and it is in response to a control signal that this control interface sent and this digital demodulation unit, this decoder, this analog demodulator unit or this image-signal processor are controlled.
According to above-mentioned conception, digita-analogue set top box of the present invention, wherein this control interface is a remote controller or is arranged at button on this housing, it can be in order to set this user mode.
According to above-mentioned conception, digita-analogue set top box of the present invention, wherein this user mode comprises a digital state and an emulation mode, wherein this digital state is controlled this image-signal processor with this first picture signal output, and this emulation mode is that this image-signal processor of control is with this second picture signal output.
According to above-mentioned conception, digita-analogue set top box of the present invention, wherein when being in this digital state, this microcontroller enters this analog demodulator unit forbidden energy one sleep battery saving mode, and will can not be sent to this analog demodulator unit by the analog control signal that this control interface sent.
According to above-mentioned conception, digita-analogue set top box of the present invention, wherein when being in this emulation mode, this microcontroller enters this digital demodulation unit and decoder forbidden energy one sleep battery saving mode, and will can not be sent to this digital demodulation unit and this decoder by the digital controlled signal that this control interface sent.
Another aspect of the invention is a kind of digita-analogue set top box, be applied between a digital television signal source, an anolog TV signals source and the display, this digita-analogue set top box comprises: a housing; One demodulating unit, be arranged in this housing, it carries out demodulation and produces a digital data stream and one second picture signal respectively and select one exporting after receiving anolog TV signals that a digital television signal that this digital television signal source sends and this anolog TV signals source sent; One decoder is arranged in this housing, is electrically connected on this demodulating unit, and it receives this digital data stream and deciphers and produce one first picture signal; One image-signal processor is arranged in this housing, is electrically connected on this demodulating unit, this decoder and this display, and it receives this first picture signal and this second picture signal is handled, and then exports a shows signal to this display and show; An and microcontroller, be arranged in this housing, be electrically connected on this demodulating unit, this decoder and this image-signal processor, it is controlled this image-signal processor and handles and export should first picture signal or this shows signal of this second picture signal content selecting one in this first picture signal and this second picture signal in response to the variation of a user mode.
According to above-mentioned conception, digita-analogue set top box of the present invention, wherein more comprise a Signal connector, be arranged on this housing, it is electrically connected to a coaxial signal line and this demodulating unit, and it receives online this digital television signal that transmits of this coaxial signal and this anolog TV signals simultaneously and change and reaches this demodulating unit.
According to above-mentioned conception, digita-analogue set top box of the present invention, wherein more comprise: one first Signal connector, be arranged on this housing, it is electrically connected to a digital transmission line and this demodulating unit, and it receives online this received digital television signal of this Digital Transmission and change and reaches this demodulating unit; And a secondary signal joint, being arranged on this housing, it is electrically connected to a mimic transmission line and this demodulating unit, and it receives online these anolog TV signals that transmit of this analogue transmission and changes and reaches this demodulating unit.
According to above-mentioned conception, digita-analogue set top box of the present invention, wherein this decoder is a MPEG2 decoder, it receives this digital data stream and deciphers and produce this first picture signal and be sent to this image-signal processor, and this first picture signal can be one first data image signal/or one first analog picture signal.
According to above-mentioned conception, digita-analogue set top box of the present invention, wherein this demodulating unit comprises: an analog demodulator unit, it receives these anolog TV signals and separates modulation and produce this second picture signal; One digital TV front-end unit is electrically connected on this first Signal connector, and it carries out this digital television signal the intermediate-freuqncy signal that produces after frequency-selecting and the down-conversion; And a demodulator, being electrically connected on this digital TV front-end unit, it receives this intermediate-freuqncy signal and carries out demodulation and produce this digital data stream.
According to above-mentioned conception, digita-analogue set top box of the present invention, wherein this user mode comprises a digital state and an emulation mode, wherein this digital state is controlled this image-signal processor with this first picture signal output, and this emulation mode is controlled this image-signal processor with this second picture signal output.
According to above-mentioned conception, digita-analogue set top box of the present invention, wherein when being in this digital state, this microcontroller enters this analog demodulator unit forbidden energy one sleep battery saving mode, and will can not be sent to this analog demodulator unit by the analog control signal that this control interface sent.
According to above-mentioned conception, digita-analogue set top box of the present invention, wherein when being in this emulation mode, this microcontroller enters this digital demodulation unit and decoder forbidden energy one sleep battery saving mode, and will can not be sent to this digital demodulation unit and this decoder by the digital controlled signal that this control interface sent.
According to above-mentioned conception, digita-analogue set top box of the present invention, wherein this microcontroller is that signal is connected to a control interface, and it is in response to a control signal that this control interface sent and this digital demodulation unit, this decoder, this analog demodulator unit or this image-signal processor are controlled.
According to above-mentioned conception, digita-analogue set top box of the present invention, wherein this control interface is a remote controller or is arranged at button on this housing, it can be in order to set this user mode.
Description of drawings
Fig. 1 (a) receives the schematic diagram of the TV programme signal that television station sent for conventional television.
Fig. 1 (b) is applied in block diagram on the conventional television for the cable TV signal source.
Fig. 1 (c) is applied in the block diagram on the simulated television of built-in channel selection function for the cable TV signal source.
Fig. 1 (d) is cable TV signal source and the block diagram of personal computer applications on identical display.
Fig. 1 (e) is the formation schematic diagram of Digital Television.
Fig. 1 (f) is digital television signal source and the block diagram of personal computer applications on identical display.
Fig. 2 is that the present invention improves the function block diagram about a kind of digita-analogue set top box that the communal technique means develop out.
Fig. 3 is a preferred embodiment function block diagram of microcontroller of the present invention.
Fig. 4 is another preferred embodiment function block diagram of the present invention.
Wherein, description of reference numerals is as follows:
Television station 1 television set 10 antennas 11
Channel station selector 12 simulated televisions 13 displays 14
Cable TV signal source 2 personal computers, 3 digital television signal source 4
Digital television signal source 21 anolog TV signals sources 22 displays 29
Digita-analogue set top box 20 housings 201 digital demodulation unit 202
Decoder 203 analog demodulator unit 204 image-signal processors 205
Controller 2030 digital TV front-end unit 2020 demodulators 2021
Digital transmission line 273 mimic transmission lines 274 Signal connectors 38
Embodiment
See also Fig. 2, it is that the present invention improves the function block diagram about a kind of digita-analogue set top box that the known technology means develop out, it is applied to a digital television signal source 21, between one an anolog TV signals source 22 and the display 29, and this digita-analogue set top box 20 consists predominantly of housing 201 and be located at the interior digital demodulation unit 202 of housing, decoder 203, analog demodulator unit 204, image-signal processor 205 and microcontroller 206, wherein digital demodulation unit 202 receives the digital television signal that these digital television signal source 21 send and carries out demodulation and produce a digital data stream, this decoder 203 that is electrically connected on this digital demodulation unit 202 is then in order to receiving this digital data stream row decoding of going forward side by side, and then produces one first picture signal and export image-signal processor 205 to.Receiving anolog TV signals that send in this anolog TV signals source 22 as for 204 of analog demodulator unit carries out demodulation and produces one second picture signal and export image-signal processor 205 to.This image-signal processor 205 just receives this first picture signal and this second picture signal is handled at last, and then exports a shows signal to this display 29 and show.
And be to receive and to handle the signal that digital television signal source 21 and anolog TV signals source 22 are sent simultaneously, microcontroller 206 of the present invention is controlled this image-signal processor 205 and is handled and export should first picture signal or this shows signal of this second picture signal content selecting one in this first picture signal and this second picture signal in response to the variation of a user mode.
For instance, control by control interface 28 (for example remote controller 281 or be arranged at button 282 on this housing 201), this user mode is set a digital state for, this moment, wherein this microcontroller 206 entered these analog demodulator unit 204 forbidden energy one sleep battery saving mode, and the filtration by microcontroller 206, an analog control signal that is sent by this control interface 28 will can not be sent to this analog demodulator unit.Otherwise, when this user mode is set an emulation mode for, this microcontroller 206 enters a sleep battery saving mode with this digital demodulation unit 202 with decoder 203 forbidden energy, and will can not be sent to this digital demodulation unit 202 and decoder 203 by the digital controlled signal that this control interface 28 is sent.In other words, when watching analog program, even when user's false touch belongs to the operating key of digital kenel, device can not produce unnecessary misoperation yet.
See also Fig. 3 again, it is the preferred embodiment function block diagram in the above-mentioned microcontroller 206, it mainly is provided with a multiplexer 2061 in addition outside microcontroller main body 2060, when user mode is digital state, microcontroller main body 2060 is just finished communication with decoder 203, utilize controller 2030 in the decoder 203 as master controller (master), and also being set at the signal that decoder 203 is sent by microcontroller main body 2060, multiplexer 2061 sends out, this microcontroller main body 2060 then is blocked by the signal that multiplexer 2061 will transmit, and analog demodulator unit 204 is also entered a sleep battery saving mode by forbidden energy.Otherwise, when this user mode is set emulation mode for, microcontroller main body 2060 just becomes master controller (master), microcontroller main body 2060 just enters the sleep battery saving mode with this digital demodulation unit 202 with decoder 203 forbidden energy, and multiplexer 2061 also is set at the signal blocker that decoder 203 is sent by microcontroller main body 2060, this microcontroller main body 2060 then is blocked by the signal that multiplexer 2061 will transmit, and can not be sent to this digital demodulation unit 202 and decoder 203.In the present embodiment, digital demodulation unit 202 is made up of digital TV front-end unit 2020 and demodulator 2021, digital TV front-end unit 2020 carries out the intermediate-freuqncy signal that produces after frequency-selecting and the down-conversion with this digital television signal, and demodulator 2021 carries out demodulation and produces this digital data stream in order to receive this intermediate-freuqncy signal.Finish as for bus between three- bus 30,31 and 32 used chips (Inter-ICBus is called for short IIC Bus).
In addition, in Fig. 3, this digital television signal and this anolog TV signals are sent to this digital demodulation unit 202 and this analog demodulator unit 204 by a coaxial signal line 39 by Signal connector 38 thoroughly, and in Fig. 2, then be to utilize to be arranged on this housing 201 first Signal connector 271 and secondary signal joint 272 respectively from a digital transmission line 273 and a mimic transmission line 274 this digital television signal of reception and this anolog TV signals, this digital transmission line 273 all can be finished with wired or wireless mode with mimic transmission line 274, but all belong to those skilled in the art's means of conversion arbitrarily, so repeat no more.And above-mentioned decoder 203 can be a MPEG2 decoder, and it receives this digital data stream is a carry digital data streams (TRANSPORT STREAM).As for image-signal processor 205 has been a full-fledged product, it can be handled received all kinds of picture signals back delivering on the various display (TV of all size and computer screen etc.) with various shows signal (specifications such as D-sub, DVI, LVDS, CVBS, RGB, S-VIDEO, YPbPr, YcbCr and HDMI) and show, but this also belongs to those skilled in the art's means of conversion arbitrarily, so repeat no more.
See also Fig. 4 again, it is that the present invention improves another preferred embodiment function block diagram that the communal technique means develop out, itself and Fig. 2 and maximum different being in shown in Figure 3 in the demodulating unit 41 that original digital demodulation unit 202 and analog demodulator unit 204 can be integrated into as shown in the figure, thus, this digital television signal and this anolog TV signals are sent to this demodulating unit 41 by coaxial signal line 39 simultaneously by Signal connector 38 and carry out demodulation and produce the digital data stream and second picture signal respectively and select one and come to see through an output 411 and export decoder 203 or image-signal processor 205 respectively to.As for other partly and Fig. 2 and the described technology of Fig. 3 there is no too different, so this will not give unnecessary details again.
In sum, the present invention successfully is integrated in numeral and simulation process function in the same board, allow the user in operation, have easier and interface more easily, and can not make a mistake can make both carry out the switching of signal source the time, and then effectively reach main purpose of the present invention.The present invention can be made an amendment by those of ordinary skill in the art's thinking, but all can be encompassed in the claimed scope of following appended claims of the present invention.
Claims (20)
1, a kind of digita-analogue set top box is applied between a digital television signal source, an anolog TV signals source and the display, and this digita-analogue set top box comprises:
One housing;
One digital demodulation unit is arranged in this housing, and it receives the digital television signal that this digital television signal source sends and carries out demodulation and produce a digital data stream;
One decoder is arranged in this housing, is electrically connected on this digital demodulation unit, and it receives this digital data stream and deciphers and produce one first picture signal;
One analog demodulator unit is arranged in this housing, and it receives anolog TV signals that send in this anolog TV signals source and carries out demodulation and produce one second picture signal;
One image-signal processor, be arranged in this housing, be electrically connected on this digital demodulation unit, this decoder and this display, it receives this first picture signal and this second picture signal is handled, and then exports a shows signal to this display and show; And
One microcontroller, be arranged in this housing, be electrically connected on this digital demodulation unit, this decoder, this analog demodulator unit and this image-signal processor, it is controlled this image-signal processor and handles and export should first picture signal or this shows signal of this second picture signal content selecting one in this first picture signal and this second picture signal in response to the variation of a user mode.
2, digita-analogue set top box as claimed in claim 1, it is characterized in that, also comprise a Signal connector, be arranged on this housing, it is electrically connected to a coaxial signal line, this digital demodulation unit and this analog demodulator unit, and it receives online this digital television signal that transmits of this coaxial signal and this anolog TV signals simultaneously and change and reaches this digital demodulation unit and this analog demodulator unit.
3, digita-analogue set top box as claimed in claim 1 is characterized in that, also comprises:
One first Signal connector is arranged on this housing, and it is electrically connected to a digital transmission line, and it receives online this received digital television signal of this Digital Transmission and change and reaches this digital demodulation unit; And
One secondary signal joint is arranged on this housing, and it is electrically connected to a mimic transmission line and this analog demodulator unit, and it receives online these anolog TV signals that transmit of this analogue transmission and change and reaches this analog demodulator unit.
4, digita-analogue set top box as claimed in claim 1, it is characterized in that, this decoder is a MPEG2 decoder, it receives this digital data stream and deciphers and produce this first picture signal and be sent to this image-signal processor, and this first picture signal can be one first data image signal/or one first analog picture signal.
5, digita-analogue set top box as claimed in claim 1 is characterized in that, this digital demodulation unit comprises:
One digital TV front-end unit is electrically connected on this first Signal connector, and it carries out this digital television signal the intermediate-freuqncy signal that produces after frequency-selecting and the down-conversion; And
One demodulator is electrically connected on this digital TV front-end unit, and it receives this intermediate-freuqncy signal and carries out demodulation and produce this digital data stream.
6, digita-analogue set top box as claimed in claim 1, it is characterized in that, this microcontroller is that signal is connected to a control interface, and it is in response to a control signal that this control interface sent and this digital demodulation unit, this decoder, this analog demodulator unit or this image-signal processor are controlled.
7, digita-analogue set top box as claimed in claim 6 is characterized in that, this control interface is a remote controller or is arranged at button on this housing that it can be in order to set this user mode.
8, digita-analogue set top box as claimed in claim 1, it is characterized in that, this user mode comprises a digital state and an emulation mode, wherein this digital state is controlled this image-signal processor with this first picture signal output, and this emulation mode is controlled this image-signal processor with this second picture signal output.
9, digita-analogue set top box as claimed in claim 8, it is characterized in that, when being in this digital state, this microcontroller enters this analog demodulator unit forbidden energy one sleep battery saving mode, and will can not be sent to this analog demodulator unit by the analog control signal that this control interface sent.
10, digita-analogue set top box as claimed in claim 8, it is characterized in that, when being in this emulation mode, this digital demodulation unit of this microcontroller and decoder forbidden energy and enter a sleep battery saving mode and will can not be sent to this digital demodulation unit and this decoder by the digital controlled signal that this control interface sent.
11, a kind of digita-analogue set top box is applied to it is characterized in that this digita-analogue set top box comprises between a digital television signal source, an anolog TV signals source and the display:
One housing;
One demodulating unit, be arranged in this housing, it carries out demodulation and produces a digital data stream and one second picture signal respectively and select one exporting after receiving anolog TV signals that a digital television signal that this digital television signal source sends and this anolog TV signals source sent;
One decoder is arranged in this housing, is electrically connected on this demodulating unit, and it receives this digital data stream and deciphers and produce one first picture signal;
One image-signal processor is arranged in this housing, is electrically connected on this demodulating unit, this decoder and this display, and it receives this first picture signal and this second picture signal is handled, and then exports a shows signal to this display and show; And
One microcontroller, be arranged in this housing, be electrically connected on this demodulating unit, this decoder and this image-signal processor, it is controlled this image-signal processor and handles and export should first picture signal or this shows signal of this second picture signal content selecting one in this first picture signal and this second picture signal in response to the variation of a user mode.
12, digita-analogue set top box as claimed in claim 11, it is characterized in that, also comprise a Signal connector, be arranged on this housing, it is electrically connected to a coaxial signal line and this demodulating unit, and it receives online this digital television signal that transmits of this coaxial signal and this anolog TV signals simultaneously and change and reaches this demodulating unit.
13, digita-analogue set top box as claimed in claim 11 is characterized in that, also comprises:
One first Signal connector is arranged on this housing, and it is electrically connected to a digital transmission line and this demodulating unit, and it receives online this received digital television signal of this Digital Transmission and change and reaches this demodulating unit; And
One secondary signal joint is arranged on this housing, and it is electrically connected to a mimic transmission line and this demodulating unit, and it receives online these anolog TV signals that transmit of this analogue transmission and change and reaches this demodulating unit.
14, digita-analogue set top box as claimed in claim 11, it is characterized in that, this decoder is a MPEG2 decoder, it receives this digital data stream and deciphers and produce this first picture signal and be sent to this image-signal processor, and this first picture signal can be one first data image signal/or one first analog picture signal.
15, digita-analogue set top box as claimed in claim 11 is characterized in that, this demodulating unit comprises:
One analog demodulator unit, it receives these anolog TV signals and carries out demodulation and produce this second picture signal;
One digital TV front-end unit is electrically connected on this first Signal connector, and it carries out this digital television signal the intermediate-freuqncy signal that produces after frequency-selecting and the down-conversion; And
One demodulator is electrically connected on this digital TV front-end unit, and it receives this intermediate-freuqncy signal and carries out demodulation and produce this digital data stream.
16, digita-analogue set top box as claimed in claim 15, it is characterized in that, this user mode comprises a digital state and an emulation mode, wherein this digital state is controlled this image-signal processor with this first picture signal output, and this emulation mode is controlled this image-signal processor with this second picture signal output.
17, digita-analogue set top box as claimed in claim 16, it is characterized in that, when being in this digital state, this microcontroller enters this analog demodulator unit forbidden energy one sleep battery saving mode, and will can not be sent to this analog demodulator unit by the analog control signal that this control interface sent.
18, digita-analogue set top box as claimed in claim 16, it is characterized in that, when being in this emulation mode, this microcontroller enters this digital demodulation unit and decoder forbidden energy one sleep battery saving mode, and will can not be sent to this digital demodulation unit and this decoder by the digital controlled signal that this control interface sent.
19, digita-analogue set top box as claimed in claim 11, it is characterized in that, this microcontroller is that signal is connected to a control interface, and it is in response to a control signal that this control interface sent and this digital demodulation unit, this decoder, this analog demodulator unit or this image-signal processor are controlled.
20, digita-analogue set top box as claimed in claim 19 is characterized in that, this control interface is a remote controller or is arranged at button on this housing that it can be in order to set this user mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100833730A CN1717021A (en) | 2005-07-13 | 2005-07-13 | Digita-analogue set top box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100833730A CN1717021A (en) | 2005-07-13 | 2005-07-13 | Digita-analogue set top box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1717021A true CN1717021A (en) | 2006-01-04 |
Family
ID=35822405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100833730A Pending CN1717021A (en) | 2005-07-13 | 2005-07-13 | Digita-analogue set top box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1717021A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100553310C (en) * | 2007-04-09 | 2009-10-21 | 海尔集团公司 | Digital/analog signal receives the method for switching and realizes the TV of this function |
| CN101945239A (en) * | 2009-07-03 | 2011-01-12 | 深圳Tcl新技术有限公司 | Implementation method of IPTV (intelligent personal television) module intelligent standby |
| CN102170508A (en) * | 2010-02-26 | 2011-08-31 | 兄弟工业株式会社 | Image reader |
| US8576461B2 (en) | 2010-02-26 | 2013-11-05 | Brother Kogyo Kabushiki Kaisha | Image reader |
-
2005
- 2005-07-13 CN CNA2005100833730A patent/CN1717021A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100553310C (en) * | 2007-04-09 | 2009-10-21 | 海尔集团公司 | Digital/analog signal receives the method for switching and realizes the TV of this function |
| CN101945239A (en) * | 2009-07-03 | 2011-01-12 | 深圳Tcl新技术有限公司 | Implementation method of IPTV (intelligent personal television) module intelligent standby |
| CN102170508A (en) * | 2010-02-26 | 2011-08-31 | 兄弟工业株式会社 | Image reader |
| US8576461B2 (en) | 2010-02-26 | 2013-11-05 | Brother Kogyo Kabushiki Kaisha | Image reader |
| US8593702B2 (en) | 2010-02-26 | 2013-11-26 | Brother Kogyo Kabushiki Kaisha | Image reader |
| CN102170508B (en) * | 2010-02-26 | 2014-08-27 | 兄弟工业株式会社 | Image reader |
| US8837013B2 (en) | 2010-02-26 | 2014-09-16 | Brother Kogyo Kabushiki Kaisha | Image reader |
| US9344594B2 (en) | 2010-02-26 | 2016-05-17 | Brother Kogyo Kabushiki Kaisha | Image reader |
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