CN1361629A - TV request method and system - Google Patents
TV request method and system Download PDFInfo
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- CN1361629A CN1361629A CN 00136780 CN00136780A CN1361629A CN 1361629 A CN1361629 A CN 1361629A CN 00136780 CN00136780 CN 00136780 CN 00136780 A CN00136780 A CN 00136780A CN 1361629 A CN1361629 A CN 1361629A
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Abstract
The present invention is TV request method and equipment by using telephone line and coaxial cable with available data flow rate and band width. The present invention features that after the TV station provides optional program list via TV broadcast or other media, the viewer inputs the program selecting command via the terminal transender with keyboard so that the program selecting command together with the viewer identifying code is transmitted to the data base service system of the TV station. By counting the viewers' command, the TV station produces its program list while charging the successful requester.
Description
The present invention is based on the unidirectional broadcasting transmission means of TV programme, relate to a kind of method of utilizing the terminal transponder to realize video on demand.
TV has extremely important influence as a kind of amusement, education and information source instrument in people's life.Under the present mode of televising, that user's viewing behavior is in is passive, do not have the situation that domination receives.Although TV station can use the methods of sampling to count audience ratings in playing process, result afterwards can not change the existing fact of TV programme purchase, advertisement promotion.From economics point, the supply of televising is not that the demand according to market provides, and has caused the loss of TV market effectiveness like this.
Simultaneously, because the viewer makes station synchronization and the reality of any expense of broadcast nonpayment, the income major part of TV station derives from television advertising, therefore in TV programme is bought, especially various amusements and then educational programs, the full-amount expense that all can't provide the producer to require.The actual effect of program and quality all can not get guaranteeing.In fact, the viewer has the ability and the hope of paying to the high-quality program.The pirate amusement CD that annual Chinese customs discovers and seizes is millions of, and the quantity that comes into the market is just especially far above this quantity.Because the popular proper source that obtains up-to-date high-quality program at present is cinema and amusement CD just, Comparatively speaking, pirated CDs watch that cost is much lower.
The purpose of video on demand method and system provided by the invention, be in order to solve the problem of two aspects set forth above: promptly user expectation is watched the reasonable price of program, depends on user base number; The broadcast effectiveness of TV station needs to promote, and depends on degree of understanding and the timeliness of TV station to user's actual need.
(publication number: CN1243389A), single-point is broadcast and the reservation dual mode of paying is realized the selection of user to reproduction time and play content by shining to have proposed a kind of non-real-time TV performance-choosing and broadcasting system in 2 days February in 2000 at " Chinese patent communique ".But in a such system, there are strict demand in the data traffic bandwidth, user side digital-to-analogue conversion and the signal storage PC system that program are transmitted media.Under present line condition, the problem that also has technological transformation and drop into again.
Realization of the present invention is to realize by following technical scheme: telephone line remote dial technology, database processing technology, TV signal encryption and decryption technology.
Specifying system below in conjunction with Figure of description forms and operation principle.
Figure one is system module figure;
Figure two is terminal transponder block diagrams;
Figure three is terminal transponder outside drawings.
Referring to figure one, TV performance-choosing and broadcasting system is made of terminal transponder A2, the client database service system A1 of TV station, telephone line B1, TV signal transmission line B2.
Can adopt the TCP/IP interconnection of application program one-level between database management systems A1 of TV station and the television broadcasting system A3, also can open standard network administration agent based on SNMP.
In this system, the Core Feature parts of terminal transponder are the integrated circuit (IC) chip groups, referring to figure two.Its function is identification and transmits user's program request instruction; Receive and store the program decryption Adapted information of each program request success back by TV station's database management systems loopback; Add the deciphering Adapted information for the input programme signal, programme signal is finished in output.
Integrated circuit (IC) chip C3 is made of modem chip group C1, radio demodulating/deciphering chip group C2, central processing single chip 2, USB interface 9, groups of memory chips 3.
Single-chip microcomputer 2 is connected with storage chip 3 address wires by address data bus, and this interface is a bidirectional interface; Single-chip microcomputer 2 picks out sheet choosing and four data lines by the external bus expansion, is connected with the adaptive chip 4 of circuit; The adaptive chip 4 of circuit is connected with line interface chip 8 by two lines of standard; Single-chip microcomputer 2 picks out sheet choosing and four data lines by the external bus expansion, is connected with circuit decoupling zero chip 5; Circuit decoupling zero chip 5 is connected with line interface chip 8 by two lines of standard; Single-chip microcomputer 2 picks out sheet choosing and control data interface by the external bus expansion, is connected with the adaption section 6 of radio modem; Single-chip microcomputer 2 is connected with keyboard 1 by serial port or Chip Interface Based, uses another serial port or data address bus to be connected with shell liquid crystal numberal tube/array 10.
Having user identification code, dialing information, program decryption information in the storage chip 3 calls for single-chip microcomputer.
Modem chip group C1 finishes the program request director data and wraps and pass and program request affirmation, program request expense, program decryption download of information function.
Program decryption information in radio demodulating/deciphering chip group C2 complete call storage chip 3 is finished the function of special frequency channel program decryption, can discern programme signal to television set output.
Referring to figure three, the transponder shell comprises USB spare interface D1, DC power supply interface D2, liquid crystal numberal tube/array D3, phone interface D4, telephone line interface D5, deciphering TV signal output end mouth D6, radio television signal input port D7.
The implementation method of video on demand involved in the present invention is:
TV station informs TV user with alternative listing and program introduction by TV programme, television newspaper and other media.The distinctive elements of program is a program coding, number is made of TV station's coding, program category, program sequence.The user makes play-on-demand program and selects by keyboard 1 input program coding.This instruction is called user identification code in the storage chip after discerning 2 by single-chip microcomputer, dials through telephone line interface D5 by modem chip group C1 and is the database management systems A1 of TV station, transmits the order program data bag.Make program request by the database management systems A1 of TV station and confirm that loopback program request expense shows on liquid crystal numberal tube/array; This program decryption Adapted information of loopback is stored in the chip 3.
TV station is according to user's program request statistics, and the program of selecting peak to broadcast number of times is selected as playing, and the user that program request is come into force charges simultaneously.
During playing programs, civision is via radio-frequency (RF) signal input end mouth D7, by radio demodulating/deciphering chip C2 call with load store chip 3 in the program decryption Adapted information, D6 obtains complete TV signal at the television set output.
Claims (8)
1, TV performance-choosing and broadcasting system is characterized in that: TV station is by televising and medium such as other newspapers, mail, electronic data provide alternative programme of later stage to the user.User's selection instruction is sent to TV station's server end by the terminal transponder.TV station makes according to the play-on-demand program ratio and plays list, and the user of program request success is chargeed.System is applicable to telecast demanding and user by the button input validation, such as the TV interaction function of market survey etc.
2, according to the described TV performance-choosing and broadcasting system A3 of claim 1, it is characterized in that: the program of TV station transmits and still keeps no specific transfer address, provides the existing characteristic of broadcast time in advance.
3, according to the described TV performance-choosing and broadcasting system of claim 1, it is characterized in that: comprise user terminal signal transponder A2 and the database management systems A1 of TV station, use wired coaxial cable B2, telephone line as transmission line B1.
According to the described TV performance-choosing and broadcasting system of claim 1, it is characterized in that 4, the statistics of user instruction, charge statistics are finished by TV station's database service.
5, according to the described terminal transponder of claim 3, it is characterized in that: comprise shell (figure three), integrated circuit (IC) chip C3, alternating current-direct current transformer.
6, according to the described integrated circuit (IC) chip of claim 5, it is characterized in that: comprise modem chip group C1, radio demodulating/deciphering chip group C2, central processing single chip 2, USB interface 9, groups of memory chips 3.
7, according to the described groups of memory chips 3 of claim 6, it is characterized in that: storage user identification code and program decryption Adapted information.
8, according to the described TV performance-choosing and broadcasting system of claim 1, it is characterized in that: user instruction is returned to terminal transponder A2 by the service system A1 of TV station the deciphering Adapted information and the program request of broadcast items is chargeed uploading successfully the back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00136780 CN1361629A (en) | 2000-12-29 | 2000-12-29 | TV request method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00136780 CN1361629A (en) | 2000-12-29 | 2000-12-29 | TV request method and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1361629A true CN1361629A (en) | 2002-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00136780 Pending CN1361629A (en) | 2000-12-29 | 2000-12-29 | TV request method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1361629A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317895C (en) * | 2003-09-16 | 2007-05-23 | 乐金电子（沈阳）有限公司 | User identification method in data broadcast |
| CN100435582C (en) * | 2004-11-01 | 2008-11-19 | 北京心动新传媒广告有限公司 | Interaction type subbroadcast media system and its managing method |
-
2000
- 2000-12-29 CN CN 00136780 patent/CN1361629A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317895C (en) * | 2003-09-16 | 2007-05-23 | 乐金电子（沈阳）有限公司 | User identification method in data broadcast |
| CN100435582C (en) * | 2004-11-01 | 2008-11-19 | 北京心动新传媒广告有限公司 | Interaction type subbroadcast media system and its managing method |
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| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Liu Jun Document name: Notice of publication of application for patent for invention |
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| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
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| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Liu Jun Document name: Deemed as a notice of withdrawal |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |