CN101873407A - Method for presetting television factory channel - Google Patents
Method for presetting television factory channel Download PDFInfo
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- CN101873407A CN101873407A CN200910106786A CN200910106786A CN101873407A CN 101873407 A CN101873407 A CN 101873407A CN 200910106786 A CN200910106786 A CN 200910106786A CN 200910106786 A CN200910106786 A CN 200910106786A CN 101873407 A CN101873407 A CN 101873407A
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Abstract
The invention relates to a method for presetting a television factory channel. The method mainly comprises the following steps: storing the signal channel information of a television production factory into a television control system, wherein the signal channel information comprises a plurality of channel numbers as well as frequency points, accompanying sound systems and image systems in one-to-one correspondence to the channel numbers; receiving the preset control instruction of the factory channel; and responding to the control instruction, and writing the channel information in the television control system into a television erasable programmable memory. The method also comprises the following steps: finding out the channel information corresponding to the channel number from the memory according to the selected channel number, and finally displaying the selected channel information on a television terminal after the processing of a tuner and a processing circuit. When the method of the invention is implemented, manual channel search is not needed, and the actual effect after channel presetting is exactly the same with the effect after channel search, thereby the workload of workers is greatly lightened, and the work efficiency of a product line is improved.
Description
Technical field
The present invention relates to television set production plant technical field, be specifically related to a kind of method of presetting television factory channel.
Background technology
Along with scientific and technological progress, technical development, high much before the popularity rate of television set is compared.The increase correspondence of demand the raising that output requires, and the production capacity of television set production plant every day has all risen to tens thousand of by former hundreds of platform, several thousand now.The raising of production capacity just requires television set production plant to enhance productivity, and optimizes production technology.
In television set production plant, the staff needs that every TV is carried out a factory and searches platform in the check of every TV being carried out ATV (analog TV passage), DTV (digital TV passage) aspect.At present, the channel frequency point of countries in the world all is in the 50MHz-870MHz scope.The common platform principle of searching is as follows: system is from least significant end 40MHz, at first Frequency point is write tuner, detecting at this moment simultaneously, whether tuner has the normal picture signal of output, just read out the channel information (frequency of channel this moment if any, video standard, the sound accompaniment standard) stores in the memory, if it's not true, just frequency is increased 1-5MHz, and then the signal identifying before repeating, finally search 880MHz from Frequency point 40MHz, the channel information of all channels that factory is play therein (comprises frequency number, corresponding Frequency point always, video standard, the sound accompaniment standard) find after, be stored in the memory, finish once the complete platform of searching.Owing to will wait for the tuner response, to the signal of tuner output be detected simultaneously, see whether be normal picture signal, therefore the once complete platform of searching needs 6 to 10 minutes, and 6-10 minute be a waste greatly for Production Line efficient, how to shorten that to search the platform time, enhance productivity be the problem that television set production plant presses for solution always.
Summary of the invention
The technical problem to be solved in the present invention is, the method for at prior art factory channel presetting method time-consuming, inefficient defective, provide a kind of and save time, high efficiency factory channel is default.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of method of presetting television factory channel, may further comprise the steps:
S101. with the signal channel information stores of television set production plant in TV set control system, described signal channel information comprises several channel and described channel Frequency point, sound accompaniment standard, video standard one to one;
S102. receive the default control command of factory channel;
S103. the described control command of response of step S102, and the channel information in the described TV set control system write television set erasable programmable memory.
Television set is carried out in the method for channel preset in the present invention, behind described step S103, further comprising the steps of:
S201. receive and select or the switching channels control command;
S202. the described control command of response of step S201 accesses the channel information of selected channel correspondence in the erasable programmable memory;
S203. the channel information of selected channel correspondence is write tuner;
S204. tuner is exported the channel information of selected channel correspondence;
S205. be presented at the television set terminal after the treated processing of circuit of selected channel information.
After implementing technical scheme of the present invention, owing to be the memory that the factory channel information in the TV set control system of being stored in is in advance write television set, therefore the staff of factory is when testing to television set and operating, do not need manually to search again platform, actual effect after channel predetermined and search behind the platform identical, the staff can directly carry out the channel operation, has greatly alleviated staff's workload, has improved the operating efficiency of production line.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is that TV channel of the present invention is preset the logic diagram of operating embodiment with channel;
Fig. 2 is the present invention carries out channel preset embodiment to television set a flow chart;
Fig. 3 is the present invention sends channel preset control command embodiment to television set a flow chart;
Fig. 4 is the present invention carries out channel operation embodiment to television set a flow chart.
Embodiment
Fig. 1 is that TV channel of the present invention is preset the logic diagram of operating embodiment with channel, control system 001 comprises data processing unit MCU and is used for stored program RAM, and data processing unit is used for receiving external control signal and to programmable and erasable memory 002 and tuner 003 sending controling instruction; The programmable and erasable memory 002 (hereinafter to be referred as memory) that carries out two-way communication with control system is used for depositing channel predetermined information; Tuner 003 is used for the digital signal of default channel information is converted into the analog signal that television terminal can receive; Treatment circuit 004 is used for described analog signal such as is amplified at processing; Display 005 and loudspeaker 006 are used for terminal output.
In embodiments of the present invention, TV in order to check television set, all will carry out input to television set when plant produced, and signal has comprised from the various Frequency points of 40MHz-880MHz, and sound accompaniment, the picture material of each Frequency point correspondence.Because production plant is fixed, therefore, the TV signal channel information of same production plant is also fixed.At first that factory is fixing channel information is stored in the TV set control system, and for calling, described channel information comprises several channel and described channel Frequency point, sound accompaniment standard, video standard one to one.When television set need be checked, sending controling instruction is given TV set control system, control system receives order and the TV signal channel information that is pre-stored in the TV set control system is write the erasable programmable memory, from memory, find out the channel information of described channel correspondence then according to the channel of selecting, at last the channel information chosen is presented on television screen, the loudspeaker after by tuner and processing circuit processes.
Fig. 2 shows the flow process of presetting television factory channel method embodiment of the present invention, and concrete steps are as follows:
Step S101. since same TV production plant channel table fix, just can be in TV set control system, for calling the signal channel information stores of fixing.For example, following table is the channel table of a television set production plant.
When step 102. need detect television set when television set production plant, at first, with the television set normal boot-strap, at this moment, storage television channel message part was empty in the television memory, does not write data, can't display of television programmes.The staff of factory is to the system for TV set sending controling instruction, for example, as shown in Figure 3, the button of establishing in advance by the remote controller input, the button of establishing in advance can be " MENU ", " 9 ", " 9 "; " 9 ", press these 4 buttons of remote controller successively, wait for that system for TV set responds.
Step 103. system for TV set response of step 102 described control commands with the channel information write memory in the software, and are preserved.At this moment, just stored the channel information of factory's TV signal correspondence in the memory, identical with the effect of searching once the platform realization that reality is complete.Again receive new control command up to next time, the just deleted or modification of the content in the memory.
Fig. 4 shows the flow process of television set being carried out channel operation embodiment, and concrete steps are as follows:
Step S201. system for TV set receives the order of changing platform or switching channels, system searches the channel information that has or not correspondence according to channel in memory, if have, illustrate television set was carried out searching platform or channel preset, be written into channel information in the memory; If do not have, do not search platform or carry out channel preset before illustrating, there is not channel information in the memory, there is not TV signal to show.
Step S202. if before carried out channel preset or searched platform, the channel information of selected channel number is found out in the order that platform or switching channels are changed in system for TV set response from memory, comprise Frequency point, video standard, the sound accompaniment standard of selected channel correspondence.
Step S203. system for TV set writes tuner with the described channel information of choosing of step S202 by television set interface I2C bus.
Step S204. tuner is to the vision signal and the audio signal of treatment circuit output selected channel correspondence.
Be presented on television screen or the loudspeaker after the vision signal of step S205. institute selected channel correspondence and audio signal and the treated processing of circuit.
Claims (2)
1. the method for a presetting television factory channel is characterized in that, may further comprise the steps:
S101. with the signal channel information stores of television set production plant in TV set control system, described signal channel information comprises several channel and described channel Frequency point, sound accompaniment standard, video standard one to one;
S102. receive the default control command of factory channel;
S103. the described control command of response of step S102, and the channel information in the described TV set control system write television set erasable programmable memory.
2. the method for presetting television factory channel according to claim 1 is characterized in that, and is behind described step S103, further comprising the steps of:
S201. receive and select or the switching channels control command;
S202. the described control command of response of step S201 accesses the channel information of selected channel correspondence in the erasable programmable memory;
S203. the channel information of selected channel correspondence is write tuner;
S204. tuner is exported the channel information of selected channel correspondence;
S205. be presented at the television set terminal after the treated processing of circuit of selected channel information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910106786A CN101873407A (en) | 2009-04-24 | 2009-04-24 | Method for presetting television factory channel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910106786A CN101873407A (en) | 2009-04-24 | 2009-04-24 | Method for presetting television factory channel |
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| CN101873407A true CN101873407A (en) | 2010-10-27 |
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| CN200910106786A Pending CN101873407A (en) | 2009-04-24 | 2009-04-24 | Method for presetting television factory channel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103686424A (en) * | 2013-12-13 | 2014-03-26 | 深圳Tcl新技术有限公司 | Automatic setting method and device for sound system |
| WO2015018162A1 (en) * | 2013-08-09 | 2015-02-12 | 京东方科技集团股份有限公司 | Channel loading method and apparatus, display apparatus, computer program, and storage medium |
| CN105263048A (en) * | 2015-10-15 | 2016-01-20 | 桂林电子科技大学 | Television signal processing method and television signal processing system |
| CN110278480A (en) * | 2019-06-11 | 2019-09-24 | 晶晨半导体(上海)股份有限公司 | TV channel pre-setting method, device, computer equipment and readable storage medium storing program for executing |
-
2009
- 2009-04-24 CN CN200910106786A patent/CN101873407A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015018162A1 (en) * | 2013-08-09 | 2015-02-12 | 京东方科技集团股份有限公司 | Channel loading method and apparatus, display apparatus, computer program, and storage medium |
| US9554077B2 (en) | 2013-08-09 | 2017-01-24 | Boe Technology Group Co., Ltd. | Channel loading method, display device, and non-transient storage medium |
| CN103686424A (en) * | 2013-12-13 | 2014-03-26 | 深圳Tcl新技术有限公司 | Automatic setting method and device for sound system |
| CN103686424B (en) * | 2013-12-13 | 2017-06-13 | 深圳Tcl新技术有限公司 | The automatic setting method and device of sound system |
| CN105263048A (en) * | 2015-10-15 | 2016-01-20 | 桂林电子科技大学 | Television signal processing method and television signal processing system |
| CN110278480A (en) * | 2019-06-11 | 2019-09-24 | 晶晨半导体(上海)股份有限公司 | TV channel pre-setting method, device, computer equipment and readable storage medium storing program for executing |
| WO2020248873A1 (en) * | 2019-06-11 | 2020-12-17 | 晶晨半导体(上海)股份有限公司 | Television channel presetting method and apparatus, computer device, and readable storage medium |
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Application publication date: 20101027 |