CN2636545Y - Wired digital television set top box precharging control system - Google Patents
Wired digital television set top box precharging control system Download PDFInfo
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- CN2636545Y CN2636545Y CNU032627084U CN03262708U CN2636545Y CN 2636545 Y CN2636545 Y CN 2636545Y CN U032627084 U CNU032627084 U CN U032627084U CN 03262708 U CN03262708 U CN 03262708U CN 2636545 Y CN2636545 Y CN 2636545Y
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Abstract
The utility model relates to a wired digital television top box prepaying control system. In the prior art, a plurality of factories and scientific research institutions promotes the television top box products in a big way, but the existing television top box products do not propose how to solve the fee charging problem from the technical angle. The fee of the existing television top box products is generally collected monthly, which causes unreasonable fee charging to users, and can not solve the problem of difficult fee charging of providers; the utility model consists of a single-chip microcomputer, a far infrared receiving circuit, a four-key key board, an IC card reader circuit, a signal cutting circuit, a display and a control circuit. The control circuit controls the system time through a system clock, the single-chip microcomputer is connected with an input module and an output module, to realize the control on the digital television signal. The digital wired television prepaying of the utility model is realized through a code exchange and the IC card technology, the operation is very convenient, the cost is greatly lowered, and the installation and the maintenance are also very convenient.
Description
One, technical field:
The utility model relates to a kind of cable digital TV set-top box pre-payment control system.
Two, technical background:
At present, all develop the electrical arrangement that can allow existing simulated television online and watch digital television program both at home and abroad energetically, people are referred to as " digital TV set-top box " to these devices; The release of " digital TV set-top box " makes the common simulation TV only add a set-top box, just can receive digital signal, and image, and sound quality improves greatly.Because real Digital Television costs an arm and a leg, and with the present level of consumption of China, is difficult in the recent period popularize, therefore, the development potentiality of digital TV set-top box is very big.
In the prior art, many producers, scientific research institution widely popularize the set-top box product of oneself, play major function and comprise digital high-definition decoding, accurate VOD VOD system; Existing set-top box product does not propose how to solve charging problem from technical standpoint.The general mode monthly that adopts of its charge is charged, if but the user of this family does not watch program in this month, perhaps travel outside, the user does not enjoy service and just should not pay, and present charge method has also been collected user's expense, causes unreasonable to user charge; Simultaneously, some user has also watched digital television program when expense is seen in Non-deliverable, cable television provider has been caused loss, and the service that provides can not be recompensed; Thereby do not have effective technical means to solve the difficult charge problem, cause very big capital loss every year for cable television provider.
Three, utility model content:
The purpose of this utility model provide a kind of cost low, adopt Standard Encryption algorithm, safe in utilization, cable digital TV set-top box pre-payment control system easily.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of cable digital TV set-top box pre-payment control system is characterized in that:
Described cable digital TV set-top box pre-payment control system comprises single-chip microcomputer 1, input module 2, output control module 3, memory cell 4, display module 5; Described single-chip microcomputer 1 is connected with input module 2, output control module 3, memory cell 4, display module 5 respectively;
Described input module 2 adopts far infrared receiving circuit, quadruple linkage keyboard or IC-card card reader circuit;
Described output control module 3 adopts the signal cut circuit;
Described memory cell 4 storage demodulation password and data;
Described display module 5 adopts display.
The output of the far infrared receiving circuit of the input difference input module 2 of above-mentioned single-chip microcomputer 1, quadruple linkage keyboard, IC-card card reader circuit connects;
The output of described single-chip microcomputer 1 is connected with the high-low pressure spacer assembly of output control module 3 signal cut circuit.
Above-mentioned single-chip microcomputer 1 adopts EM78p447A chip or 51 chips.
Above-mentioned memory cell 4 chips adopt the 24C02 chip of atmel corp.
Above-mentioned far infrared receiving circuit adopts the far infrared receiving circuit of cable digital TV set-top box, and its interface is connected with the input of single-chip microcomputer 1.
The IC-card card reader circuit of above-mentioned input module 2 adopts versatile card reader.
The utility model relatively compared with prior art, its advantage is as follows:
The utility model is realized the digital cable TV prepaid in conjunction with existing cable digital TV set-top box by electric control, by code exchange and IC-card technology, realize the digital cable TV prepaid, extremely easy to use, and cost is reduced greatly, installation and maintenance are also very convenient.
Exchange data using far infrared wireless transmission of the present utility model, portless exposes, and prevent malicious attack, thereby data transmission security is reliable.
The symmetry algorithm that the utility model is adopted international standards is encrypted, and can produce (10 immediately
10) 1,000,000,000 groups of data, data are perfectly safe through test.
Four, description of drawings:
Fig. 1 is a structural principle schematic diagram of the present utility model;
Fig. 2 is a flow chart of the present utility model;
Fig. 3 is a concrete circuit diagram of the present utility model.
Five, embodiment:
Comprise single-chip microcomputer 1, input module 2, output control module 3, memory cell 4, display module 5 referring to Fig. 1, cable digital TV set-top box pre-payment control system described in the utility model; Described single-chip microcomputer 1 is connected with input module 2, output control module 3, memory cell 4, display module 5 respectively; Its input module 2 can adopt far infrared receiving circuit, quadruple linkage keyboard or IC-card card reader circuit; Output control module 3 adopts the signal cut circuit; Memory cell 4 storage demodulation password and data; Display module 5 adopts display.
Cable digital TV set-top box pre-payment control system specifically comprises compositions such as single-chip microcomputer, far infrared receiving circuit, quadruple linkage keyboard, IC-card card reader circuit, signal cut circuit, display and control circuit, wherein control circuit is by the system clock control time, and single-chip microcomputer connects data storage, far infrared code receiving circuit, display; Digital television signal cuts off circuit and connects single-chip microcomputer delivery outlet line by high-low pressure spacer assembly control end by cutting off circuit.
Control circuit connects the far infrared receiving circuit by single-chip microcomputer 1 input port line, the quadruple linkage keyboard, the IC-card card reader circuit, the digital television signal that the output port line of single-chip microcomputer 1 connects encryption cuts off circuit, demodulation password and deposit data encryption chip and display, the utility model both can pass through keyboard mode, IC-card Card Reader mode also can be imported control circuit of the present utility model with code by far infrared receiving circuit mode, the utility model can be arranged in the digital TV set-top box, by initial decode successfully after, obtain the user and use total time, user's using system is examined and made cuts the time as rates ground, thereby realize many with paying dues more, few with paying dues less, need not pay dues and do not pay dues obsolete purpose, thereby can solve the problem of digital cable TV difficult charge, the digital cable TV charge method is rationalized, to reach the purpose of the rating of paying dues.
Specific embodiment 1:
Utilize the IC-card technology: the user inserts IC-card, after system detects IC-card, reads IC-card middle finger order metadata, and data are read in system bus, sends into decoding chip and carries out decoding processing.The information if decoding error, system feedback make mistake, shutoff signal.If decoding is correct, produce user's time buying so, user's time buying and user's surplus are carried out addition, use total time as the user, the start-up system clock uses total time to examine and make cuts to the user, simultaneously digital signal is sent into the special-purpose decoding chip of digital signal and is carried out digital channel processing and digital signal reduction.When the user examines and makes cuts when being zero service time, cut off the circuitry cuts digital signal circuit.The user needs to buy once more just can use.
Specific embodiment 2:
The user utilizes infrared remote controller, and one group of code encrypting is specified in input, and the set-top box middle infrared (Mid-IR) is accepted system and received this code segment, and data are read in system bus, sends into decoding chip and carries out decoding processing.The information if decoding error, system feedback make mistake, shutoff signal.If decoding is correct, produce user's time buying so, user's time buying and user's surplus are carried out addition, use total time as the user, the start-up system clock uses total time to examine and make cuts to the user, simultaneously digital signal is sent into the special-purpose decoding chip of digital signal and is carried out digital channel processing and digital signal reduction.When the user examines and makes cuts when being zero service time, cut off the circuitry cuts digital signal circuit.The user needs to buy once more just can use.
During referring to Fig. 2, Fig. 3, use, the digital video-audio signal that it is come by the digital cable cable transmission, during through the pre-payment control system, the pre-payment control system is handled two states: 1, conducting state.2, closed condition.
At first, the pre-payment management system is according to meter number, the Standard Encryption algorithm, produce one group of corresponding code, utilize far infrared remote controller key input code then, perhaps button input code, perhaps IC-card is inserted the IC-card socket, the IC-card card reader circuit adopts versatile card reader, system reads the data in the designating unit in the IC-card, after the pre-payment control system obtains data, data are sent into system bus, and system receives (reading) behind code, deciphers, decipher the decipherment algorithm of adopting international standards and be decrypted processing, the time that obtains decoding counts, and deposits in the memory triggering system timing unit in, after digital television signal passes through, system counts the time of examining and making cuts, and is not equal to zero if the time of examining and making cuts counts, and the switching circuit of system is in open mode; If the time of examining and making cuts counts equal zero, the switching circuit of system is in closed condition.If decoding is unsuccessful, the switching circuit of system is in closed condition.
Referring to Fig. 3, Fig. 3 is concrete circuit diagram of the present utility model, and its single-chip microcomputer 1 adopts EM78p447A chip or 51 chips, and its memory cell 4 chips adopt the 24C02 chip of atmel corp; Far infrared receiving circuit of the present utility model adopts the far infrared receiving circuit of cable digital TV set-top box, and its interface is connected with the input of single-chip microcomputer 1.
The utility model also can be provided with warning system, when 1 chronomere of user time less than, system gives the alarm, require the user to count the time buying, after the user counted by the pre-payment management systems soft ware time buying, utilize far infrared remote controller input code, pre-payment control system mid and far infrared line is accepted (perhaps to insert IC-card after system receives data, after the IC-card card reader reads data in the designating unit) system see send into the system bus unit to data, hand over system decodes processing unit (single-chip microcomputer) to decode, decode successfully, solve the user and count the time buying, decoding is unsuccessful, and system also is in the obstruct state so.
Claims (6)
1, a kind of cable digital TV set-top box pre-payment control system is characterized in that:
Described cable digital TV set-top box pre-payment control system comprises single-chip microcomputer (1), input module (2), output control module (3), memory cell (4), display module (5); Described single-chip microcomputer (1) is connected with input module (2), output control module (3), memory cell (4), display module (5) respectively;
Described input module (2) adopts far infrared receiving circuit, quadruple linkage keyboard or IC-card card reader circuit;
Described output control module (3) adopts the signal cut circuit;
Described memory cell (4) storage demodulation password and data;
Described display module (5) adopts display.
2, cable digital TV set-top box pre-payment control system according to claim 1 is characterized in that: the output of the far infrared receiving circuit of the input difference input module (2) of described single-chip microcomputer (1), quadruple linkage keyboard, IC-card card reader circuit connects;
The output of described single-chip microcomputer (1) is connected with the high-low pressure spacer assembly of output control module (3) signal cut circuit.
3, cable digital TV set-top box pre-payment control system according to claim 1 and 2 is characterized in that: described single-chip microcomputer (1) adopts EM7 8p447A chip or 51 chips.
4, cable digital TV set-top box pre-payment control system according to claim 1 and 2 is characterized in that: described memory cell (4) chip adopts the 24C02 chip of atmel corp.
5, cable digital TV set-top box pre-payment control system according to claim 3, it is characterized in that: described far infrared receiving circuit adopts the far infrared receiving circuit of cable digital TV set-top box, and its interface is connected with the input of single-chip microcomputer (1).
6, cable digital TV set-top box pre-payment control system according to claim 3 is characterized in that: the IC-card card reader circuit of described input module (2) adopts versatile card reader.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032627084U CN2636545Y (en) | 2003-09-02 | 2003-09-02 | Wired digital television set top box precharging control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032627084U CN2636545Y (en) | 2003-09-02 | 2003-09-02 | Wired digital television set top box precharging control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2636545Y true CN2636545Y (en) | 2004-08-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032627084U Expired - Fee Related CN2636545Y (en) | 2003-09-02 | 2003-09-02 | Wired digital television set top box precharging control system |
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| Country | Link |
|---|---|
| CN (1) | CN2636545Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100394794C (en) * | 2004-03-15 | 2008-06-11 | 北京握奇数据系统有限公司 | A method for automatic charging of cable TV |
-
2003
- 2003-09-02 CN CNU032627084U patent/CN2636545Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100394794C (en) * | 2004-03-15 | 2008-06-11 | 北京握奇数据系统有限公司 | A method for automatic charging of cable TV |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |