CN201995096U - Set top box with alarming function of certification authority (CA) card plug-in/plug-out - Google Patents
Set top box with alarming function of certification authority (CA) card plug-in/plug-out Download PDFInfo
- Publication number
- CN201995096U CN201995096U CN2011200593070U CN201120059307U CN201995096U CN 201995096 U CN201995096 U CN 201995096U CN 2011200593070 U CN2011200593070 U CN 2011200593070U CN 201120059307 U CN201120059307 U CN 201120059307U CN 201995096 U CN201995096 U CN 201995096U
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- top box
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Abstract
The utility model discloses a set top box with an alarming function of a certification authority (CA) card plug-in/plug-out. The set top box comprises a main control module, a storage module and a high frequency tuner module, a data output interface, a power source circuit and the like, wherein the storage module and the high frequency tuner module are connected with the main control module, and the set top box further comprises a CA card module and an alarming module; the CA card module is connected with the main control module through a signal detecting module, and the alarming module is connected with the main control module; after the main control module detects the condition of the plug-in/plug-out of the CA card through the signal detecting module, the alarm is informed by the alarming module. The set top box is used for hotels, KTV and the like, when the CA card is plugged out, the signal of the CA card cannot be detected by the main control module, and the alarm is informed, thereby effectively preventing the loss of the CA card of the set top box.
Description
Technical field
The utility model relates to the set-top box technique field, specifically is meant a kind of set-top box with CA card plug warning function.
Background technology
Along with popularizing and development of digital television techniques, top box of digital machine has become the indispensable equipment in many families parlor, it is a kind of conversion equipment that digital television signal is converted to analog signal, its receives the reduction of decoding of the image of digitalization compressed and voice signal through network, produce the video and the voice signal of simulation, provide high-quality TV programme to spectators by television indicator and stereo set.Set-top box CA card is the critical component of deciphering program stream, realize normally watching of digital interference program, the design of set-top box at present all is when not having card, on output display units such as television set, point out information such as no smart card, but do not have under the unlatching or the situation of standby for output display units such as television sets, just can not differentiate the existence whether the CA card is arranged, like this in some specific occasions, such as public places such as hotel, hotel, KTV, just hold very much and lose the card phenomenon, cause the loss of these enterprises.
Summary of the invention
The problem that the utility model need solve provides a kind of set-top box with CA card plug warning function.
For addressing the above problem, the technical scheme that the utility model is taked is: a kind of set-top box with CA card plug warning function is provided, comprise main control module and the memory module, tuner module and the data output interface that are connected with main control module, power circuit etc., it is characterized in that, also comprise CA card module and alarm module, described CA card module is connected with main control module by signal detection module, alarm module is connected with main control module, and described main control module carries out alarm by alarm module after detecting CA card plugging condition by signal detection module.
Concrete, described CA card module also connects main control module by data wire, and carries out exchanges data between the main control module.
Preferably, described set-top box is connected with computer network by serial ports or network interface, connects control desk display alarm signal by network, forms the network alarming module.
Preferably, described set-top box further comprises the time-delay driver module, and described alarm module is connected with main control module by the time-delay driver module.
Compared with prior art, the beneficial effects of the utility model are: by increasing CA card signal detection module and alarm module, after the CA card was extracted, main control module detected and can in time report to the police less than the CA card signal, prevents that effectively the set-top box CA card in places such as hotel, KTV from losing; In addition, after the CA card inserts, also can show or of short duration warnings of blowing a whistle by indicator light, prevent the CA card slotting not in place cause can not the normal tv program problem.
Description of drawings
Fig. 1 is the utility model embodiment circuit theory schematic block diagram.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
The CA card is the smart card by the broadcasting and TV mandate, and the program that just can finish cable digital TV that is used of itself and set-top box receives and plays.If smart card pulls out, perhaps card information is incorrect, and then set-top box just can not be deciphered program, and the user just can not watch.
The set-top box that present embodiment disclosed, promptly on conventional functional modules of set-top box basis, increase CA card detection module and alarm module, realize input and stolen warning, and with described set-top box access network, control desk or information desk by network insertion hotel or hotel etc., control desk or information desk can be monitored the set-top box CA in each room like this, prevent loss.
As Fig. 1, described set-top box can comprise that specifically main control module reaches and main control module connected storage module, tuner module and data output interface, power circuit etc.Wherein, the CA card module is connected with main control module by signal detection module, also connects main control module by data wire simultaneously, and carries out exchanges data between the main control module; Alarm module is connected with main control module.
When smart card inserts, have a detection signal and be given to main control module, main control module begins and sticks into capable information interaction then, finishes the deciphering of ciphered program is play.
After card was pulled out, main control module detected less than the CA card signal, but instant alarming and warning message is transferred to information desk.
During concrete enforcement, also the time-delay driver module can be set, after promptly the CA card was pulled out, the signal that main control module detects can carry out suitable time-delay, did not arrive when scheduled time card still turns back to original position and just reported to the police.In the time of can avoiding card to break down like this, card is taken out the situation that inserts again and report by mistake temporarily.
The foregoing description is the preferred version that the utility model is realized; and indefiniteness is exhaustive; the utility model can also have other variations under same idea; need to prove; under the prerequisite that does not break away from the utility model design, any conspicuous replacement is all within the utility model protection range.
Claims (4)
1. band CA card plugs the set-top box of warning function, comprise main control module and the memory module, tuner module and the data output interface that are connected with main control module, power circuit etc., it is characterized in that, also comprise CA card module and alarm module, described CA card module is connected with main control module by signal detection module, alarm module is connected with main control module, and described main control module carries out alarm by alarm module after detecting CA card plugging condition by signal detection module.
2. the set-top box of band CA card plug warning function according to claim 1 is characterized in that described CA card module also connects main control module by data wire, and carries out exchanges data between the main control module.
3. the set-top box of band CA card plug warning function according to claim 2 is characterized in that described set-top box is connected with computer network by serial ports or network interface, connects control desk display alarm signal by network, forms the network alarming module.
4. the set-top box of band CA card plug warning function according to claim 3 is characterized in that further comprise the time-delay driver module, described alarm module is connected with main control module by the time-delay driver module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200593070U CN201995096U (en) | 2011-03-09 | 2011-03-09 | Set top box with alarming function of certification authority (CA) card plug-in/plug-out |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200593070U CN201995096U (en) | 2011-03-09 | 2011-03-09 | Set top box with alarming function of certification authority (CA) card plug-in/plug-out |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201995096U true CN201995096U (en) | 2011-09-28 |
Family
ID=44671570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200593070U Expired - Fee Related CN201995096U (en) | 2011-03-09 | 2011-03-09 | Set top box with alarming function of certification authority (CA) card plug-in/plug-out |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201995096U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104038837A (en) * | 2014-06-10 | 2014-09-10 | 四川长虹电器股份有限公司 | Method for guiding user to use digital television |
-
2011
- 2011-03-09 CN CN2011200593070U patent/CN201995096U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104038837A (en) * | 2014-06-10 | 2014-09-10 | 四川长虹电器股份有限公司 | Method for guiding user to use digital television |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20140309 |