CN101510969B - Analog digital television integrated system and switching method thereof - Google Patents
Analog digital television integrated system and switching method thereof Download PDFInfo
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- CN101510969B CN101510969B CN2009103005773A CN200910300577A CN101510969B CN 101510969 B CN101510969 B CN 101510969B CN 2009103005773 A CN2009103005773 A CN 2009103005773A CN 200910300577 A CN200910300577 A CN 200910300577A CN 101510969 B CN101510969 B CN 101510969B
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Abstract
The invention relates to a TV technology. The invention solves the problem of tuning in to only one of two program signals of an analog TV program and a digital TV program of current TV sets and provides an analog digital TV comprehensive system and a switching method thereof. The technical proposal thereof is as follows: the analog digital TV comprehensive system comprises an analog TV body and a signal output port; the analog TV body comprises an analog high frequency head and an audio and video frequency output module; the analog TV body is characterized by comprising a digital TV module and a digital high frequency head, wherein, the digital TV module is connected with the analog TV host, the digital TV module is connected with the digital high frequency head and the digital high frequency head is connected with the analog high frequency head. The TV technology has the beneficial effects that the whole TV can realize the aim of not only tuning in to analog TV signals, but also tuning into digital TV signals, thus being convenient to users and suitable to TV set.
Description
Technical field
The present invention relates to TV tech, particularly the technology of analog digital television integrated system.
Background technology
Development along with Digital Television, in quite long period, a large amount of regional analog-and digital-TV signal coexistences will be had, and existing simulated television can not be watched digital television signal, the unfavorable again anolog TV signals of watching of digital television allow the consumer be difficult to select like this, and existing simulated television generally comprises simulated television main frame, simulation tuner and audio frequency and video output module, described simulated television main frame is connected with the simulation tuner, and the audio frequency and video output module is connected with the simulated television main frame.
Summary of the invention
Technical problem to be solved by this invention can only be watched a kind of problem between simulated television, two kinds of programme signals of Digital Television in order to solve existing television set exactly, and a kind of analog digital television integrated system and changing method thereof are provided.
The present invention solves its technical problem, the technical scheme that adopts is, analog digital television integrated system, comprise simulated television body and signal input port, the simulated television body comprises simulated television main frame, simulation tuner and audio frequency and video output module, it is characterized in that, also comprise digital television module and digital tuner, described digital television module is connected with the simulated television main frame, and digital television module is connected with digital tuner, and digital tuner is connected with the simulation tuner.
The invention provides the changing method of analog digital television integrated system, may further comprise the steps:
A. system start-up and judge whether to be set at automatic switchover mode, if not then enter the b step, if then enter the d step;
B. system judges whether the user presses the Digital Television switch key, if not then enter the c step, if then enter the d step;
C. the simulated television main frame enters normal manipulation mode, and enters the o step;
D. judged whether digital television module by detecting pin, if then enter the e step, if not then enter the c step;
E. system queries digital television module state and judge whether digital television module starts and finish is if then enter the g step, if not then enter the f step;
F. to judge whether digital television module starts overtime in system, if not then get back to the e step, if then enter the m step;
G. read the digital television module current video pattern and the display message that clears screen, switch to digital television module current video pattern, enter step h;
H. system has judged whether that the user operates, if then enter the i step, if not then enter the k step;
I. system judges whether the user presses the Digital Television switch key, if not then enter the j step, if then enter the n step;
J. operation information is sent to digital television module and response, enters step k then;
K. enquiring digital television module state and judge whether digital television module is normal is if then enter the l step, if not then enter the m step;
L. judge whether video mode switches, if then enter the g step, if not then enter the h step;
M. this information is removed in display module failure information and time-delay, enters the n step then;
N. system switches to the simulated television state, and enters the c step;
O. judge whether the user presses the Digital Television switch key, if then enter the g step, if not then get back to the c step.
Further, the described operation information of step j converts the standard code value that digital television module needs to for the simulated television main frame will receive remote controller code or panel button sign indicating number;
Concrete, the command information of the described operation information of step j for sending to digital television module by the simulated television main frame, the control figure television module is finished user's operation.
The invention has the beneficial effects as follows that by above-mentioned analog digital television integrated system and employed method thereof, complete machine had both reached can watch anolog TV signals, can watch the purpose of digital television signal again, makes things convenient for the user, has strengthened the market competitiveness.
Description of drawings
Fig. 1 is the system block diagram of embodiment;
Fig. 2 is the system flow chart of embodiment changing method.
Embodiment
Below in conjunction with drawings and Examples, describe technical scheme of the present invention in detail.
The invention provides a kind of analog digital television integrated system, be connected with the simulated television main frame by digital television module, digital television module is connected with digital tuner, the numeral tuner connects to form with the simulation tuner, the present invention also provides the changing method of this analog digital television integrated system, may further comprise the steps: at first system start-up and judge whether to be set at automatic switchover mode, whether press the Digital Television switch key if not then judge the user, if then judged whether digital television module by detecting pin, if the user do not press Digital Television switch key or automatic switchover mode judge out do not have digital television module then the simulated television main frame enter normal manipulation mode, if the user presses the Digital Television switch key and has then judged whether digital television module by detecting pin, if then the simulated television main frame does not enter normal manipulation mode, if the user presses the Digital Television switch key and has detected digital television module or the automatic switchover mode then system queries digital television module state and judge whether digital television module starts and finish of digital television module that judges out, if not it is overtime to judge then whether digital television module starts, if this information is removed in overtime then display module failure information and time-delay, switch to simulated television state simulation TV main frame then and enter normal manipulation mode, overtimely then do not get back to inquiry and judge whether digital television module starts and finish that step if having, if starting, finishes digital television module, then read the digital television module current video pattern and the display message that clears screen, switch to digital television module current video pattern, judged whether in the running that the user operates, whether press the Digital Television switch key if then judge the user, if pressing the Digital Television switch key then switches to simulated television state simulation TV main frame and enters normal operating state, then operation information is not sent to digital television module and response if press the Digital Television switch key, enquiring digital television module state and judge whether digital television module is normal then, if normally judge then whether video mode switches, do not judged whether that the user operates that step if switched then to get back to, read that step of digital television module current video pattern if switched then to get back to, if this information is removed in the undesired then display module failure of digital television module information and time-delay, system switches to the simulated television state then, the simulated television main frame enters normal operating state, when system is in simulated television main frame normal operating state, judge whether the user presses the Digital Television switch key, read that step of digital television module current video pattern if then enter, if then normal response should operation.
Embodiment
This example is connected digital television module with the simulated television main frame, digital television module is connected with digital tuner, and digital tuner connects to form analog digital television integrated system, its system flow such as Fig. 1 with the simulation tuner.
This example adopts master-slave mode, by the simulated television body as main frame, the power supply of being responsible for providing unified, antennal interface, output interface and as the master control side of communication are handled digital television module as signal source, complete machine can be realized simulating, the reception of digital television program.
When antenna has received signal input simulation tuner, wherein analog signal directly is transferred to the simulated television main frame, digital signal is by being transferred to digital tuner again after amplifying, be transferred to digital television module again, simulated television main frame and digital television module are handled signal respectively, communication adopts master-slave mode to carry out, the simulated television main frame is master control side, the transmission of order, reception are undertaken by the order wire that is connected with digital television module, and digital television module also can be undertaken by the upgrading line that is connected with the simulated television main frame.
The system flow chart of this routine changing method such as Fig. 2, at first judge whether to be set at automatic switchover mode after the system start-up, whether press the Digital Television switch key if not then judge the user, if then judged whether digital television module by detecting pin, if the user do not press Digital Television switch key or automatic switchover mode judge out do not have digital television module then the simulated television main frame enter normal manipulation mode, if the user presses the Digital Television switch key and has then judged whether digital television module by detecting pin, if then the simulated television main frame does not enter normal manipulation mode, if the user presses the Digital Television switch key and has detected digital television module or the automatic switchover mode then system queries digital television module state and judge whether digital television module starts and finish of digital television module that judges out, if not it is overtime to judge then whether digital television module starts, if this information is removed in overtime then display module failure information and time-delay, switch to simulated television state simulation TV main frame then and enter normal manipulation mode, overtimely then do not get back to inquiry and judge whether digital television module starts and finish that step if having, if starting, finishes digital television module, then read the digital television module current video pattern and the display message that clears screen, switch to digital television module current video pattern, judged whether in the running that the user operates, whether press the Digital Television switch key if then judge the user, if pressing the Digital Television switch key then switches to simulated television state simulation TV main frame and enters normal operating state, then operation information is not sent to digital television module and response if press the Digital Television switch key, enquiring digital television module state and judge whether digital television module is normal then, if normally judge then whether video mode switches, do not judged whether that the user operates that step if switched then to get back to, read that step of digital television module current video pattern if switched then to get back to, if this information is removed in the undesired then display module failure of digital television module information and time-delay, system switches to the simulated television state then, the simulated television main frame enters normal operating state, when system is in simulated television main frame normal operating state, judge whether the user presses the Digital Television switch key, read that step of digital television module current video pattern if then enter, if then the simulated television response of host should operation.Wherein, the simulated television main frame can convert the standard code value that digital television module needs to receiving remote controller code or panel button sign indicating number, allows digital television module respond; The simulated television main frame also can be according to the next command information of sending to digital television module of user's operation information, and the control figure television module is finished user's operation.
Claims (3)
1. the changing method of analog digital television integrated system is characterized in that, may further comprise the steps:
A. system start-up and judge whether to be set at automatic switchover mode, if not then enter the b step, if then enter the d step;
B. system judges whether the user presses the Digital Television switch key, if not then enter the c step, if then enter the d step;
C. the simulated television main frame enters normal manipulation mode, and enters the o step;
D. judged whether digital television module by detecting pin, if then enter the e step, if not then enter the c step;
E. system queries digital television module state and judge whether digital television module starts and finish is if then enter the g step, if not then enter the f step;
F. to judge whether digital television module starts overtime in system, if not then get back to the e step, if then enter the m step;
G. read the digital television module current video pattern and the display message that clears screen, switch to digital television module current video pattern, enter step h;
H. system has judged whether that the user operates, if then enter the i step, if not then enter the k step;
I. system judges whether the user presses the Digital Television switch key, if not then enter the j step, if then enter the n step;
J. operation information is sent to digital television module and response, enters step k then;
K. enquiring digital television module state and judge whether digital television module is normal is if then enter the l step, if not then enter the m step;
L. judge whether video mode switches, if then enter the g step, if not then enter the h step;
M. this information is removed in display module failure information and time-delay, enters the n step then;
N. system switches to the simulated television state, and enters the c step;
O. judge whether the user presses the Digital Television switch key, if then enter the g step, if not then get back to the c step.
2. according to the changing method of the described analog digital television integrated system of claim 1, it is characterized in that the described operation information of step j will receive remote controller code for the simulated television main frame or the panel button sign indicating number converts the standard code value that digital television module needs to.
3. according to the changing method of the described analog digital television integrated system of claim 1, it is characterized in that, the command information of the described operation information of step j for sending to digital television module by the simulated television main frame, the control figure television module is finished user's operation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009103005773A CN101510969B (en) | 2009-02-26 | 2009-02-26 | Analog digital television integrated system and switching method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009103005773A CN101510969B (en) | 2009-02-26 | 2009-02-26 | Analog digital television integrated system and switching method thereof |
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| Publication Number | Publication Date |
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| CN101510969A CN101510969A (en) | 2009-08-19 |
| CN101510969B true CN101510969B (en) | 2011-04-06 |
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| CN2009103005773A Expired - Fee Related CN101510969B (en) | 2009-02-26 | 2009-02-26 | Analog digital television integrated system and switching method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104796629A (en) * | 2015-04-20 | 2015-07-22 | 广东长虹电子有限公司 | Television system of intelligent switching of HDMI (high-definition multimedia interface) channels and intelligent switching method of HDMI channels |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1152559C (en) * | 1997-08-22 | 2004-06-02 | 三星电子株式会社 | TV receiver having analog/digital dual tuner |
| CN100373930C (en) * | 2005-10-27 | 2008-03-05 | 上海交通大学 | Analogue TV differential rotating machine possessing digital TV program differential rotating function |
| CN101193218A (en) * | 2006-11-21 | 2008-06-04 | 青岛海信电器股份有限公司 | TV set for receiving digital signals and analog signals |
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- 2009-02-26 CN CN2009103005773A patent/CN101510969B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1152559C (en) * | 1997-08-22 | 2004-06-02 | 三星电子株式会社 | TV receiver having analog/digital dual tuner |
| CN100373930C (en) * | 2005-10-27 | 2008-03-05 | 上海交通大学 | Analogue TV differential rotating machine possessing digital TV program differential rotating function |
| CN101193218A (en) * | 2006-11-21 | 2008-06-04 | 青岛海信电器股份有限公司 | TV set for receiving digital signals and analog signals |
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| CN101510969A (en) | 2009-08-19 |
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Assignee: SICHUAN CHANGHONG NETWORK TECHNOLOGY Co.,Ltd. Assignor: SICHUAN CHANGHONG ELECTRIC Co.,Ltd. Contract record no.: 2011510000166 Denomination of invention: Analog digital television integrated system and switching method thereof Granted publication date: 20110406 License type: Exclusive License Open date: 20090819 Record date: 20110818 |
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Granted publication date: 20110406 |