CN100385927C - Method for controlling multi-unit digital satellite broadcast receiver audiovisual time - Google Patents
Method for controlling multi-unit digital satellite broadcast receiver audiovisual time Download PDFInfo
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Abstract
The present invention relates to a method for controlling the audiovisual time of a multi-unit digital satellite broadcast receiver, which utilizes a primary unit to control multiple channels simultaneously; the primary unit and sub units positioned in multiple individual spaces can receive programs of specific channels controlled by the primary unit simultaneously; under the condition of decoding and playing, the primary unit and one of the sub units can effectively set the effective audiovisual time of each unit including the sub unit; meanwhile, the primary unit can also control the audiovisual time of the primary unit and each sub unit, and each sub unit can also control own audiovisual time. The present invention can prevent children from watching excess TV programs. When setting the effective audiovisual time, the time opening and the time closing of each sub unit are supported; thus, the function of a vibrating bell for the children sleeping in rooms with the sub units to get up by the children selves is provided, and the too late sleep of the children watching TV can be avoided.
Description
Technical field
The invention relates to and utilize a master unit to control a plurality of channels simultaneously, above-mentioned master unit can both receive the specific channel program that master unit is controlled simultaneously with each subelement that is positioned at a plurality of separate space, and decode and the digital satellite broadcasting receiver play, specifically set the effective time method about the master unit of controlling above-mentioned digital satellite broadcasting receiver or each subelement.
Background technology
Digital satellite broadcasting is after the 94 years U.S. develops DIRECTV (instruction TV) at first, and ground such as Europe, Japan, Asia, Africa are arrived in bamboo telegraph, and digital satellite broadcasting can both be watched in all parts of the world now.This digital satellite broadcasting is to utilize common MPEG2 specification with image/sound/additional data compression, transmits with digital form via satellite.Compare with other transmission mediums, satellite is wide because of having the covering area scope, has equal rating quality with the area is irrelevant, and the satellite broadcasting net is constructed characteristics such as both economical, that satellite channel is simple, is being widely used, and mainly charged the TV operator and dominates.
Be used to watch that the receiver that above-mentioned digital satellite broadcasting is relayed adopts CAS (ConditionalAccess System) to limit, make and have only application to watch that the spectators of pay TV just can receive program.
Above-mentioned CAS is that a kind of smart card (Smart Card) that uses in receiver is controlled the free satellite broadcasting of reception, basic channel charging channel (Pay Per Channel:PPC), paid TV programme that TV and Radio Service carried and the data, services signals such as (Pay Per View:PPV) accepted in addition, whether control received signal, whether management accepts the system of the service of transmitting.PPC is meant that the expense of watching of paying defined just can watch the service of the channel of being applied for, PPV is meant by the service of watching that Pgmtime is charged.CAS publisher issues smart card to the entrant, here the smart card CAM (Conditional Access Module) that is otherwise known as.
Illustrate, above-mentioned smart card is meant the channel information that the user that stores in the memory can watch under the situation of charging channel, be meant under the situation of PPV and watch quantity information.
Above-mentioned PPV service allows the user to purchase film or the sports tournament that will watch in advance, and the user can buy by smart card and watch program with compensation.
Therefore, under the situation of restriction receiving system user or receiver requirement, can visit out smart card institute canned data, smart card has the function of understanding transmission signals, for the TV programme of watching transmission provides required condition.
Simultaneously, in above-mentioned digital satellite broadcasting, not only include program, but also comprised the guide information of program simultaneously, above-mentioned program guide information is called as APG (Advanced Program Guide) in the digital satellite broadcasting as DIRECTV, be called as EPG (Electronic Program Guide) on the ground in the wave number word TV.Above-mentioned program guide information is that bigger additional data easily is provided when seeing TV for spectators, and it makes spectators under the situation that does not have other guide medium such as newspaper, can directly obtain on picture now and the program that will play in the future.
Now, plentiful along with the increase of people income and life, the family that a people is common all has a plurality of TVs.
Past, if one family has a plurality of TVs, and want to watch the words of digital satellite broadcasting program, a satellite broadcast receiver (integrated breceiverand decoder:IRD) will all be installed in each TV, and smart card must be installed, this has increased applicant's burden, promptly illegally watches program in order to limit non-applicant, among the IRD smart card must be installed.
And,, just need to install modulator-demodulator if buy film or sports tournament program in order to realize the two-way communication of user and radio and television services intercompany.In the past, among each IRD a modulator-demodulator must be installed, existing here problem is the cost burden that has increased the user widely.
The present invention arises at the historic moment for addressing the above problem just.The inventor has invented the (invention number: 2003-38879, invention date: 2003.06.16 of digital satellite broadcasting receiver with following function; Below be referred to as ' No. 38879 '): will possess playback equipment, CAS device and modulator-demodulator, and the master unit that can control a plurality of channels simultaneously is installed in the ad-hoc location of family, makes to be installed in the subelement that a plurality of separate space possess playing function respectively and can to receive and play the specific channel that above-mentioned master unit is controlled.
But, child's family is being arranged, if children teleview too much, can not only allow them ignore school work, and children's eyesight is also existed bad influence.
If particularly all install one resembles above-mentioned ' No. 38879 in each room ' the subelement of digital satellite broadcasting receiver.If father and mother go out, just be difficult to directly limit children and watch, just therefore can't prevent that children from watching program without limit.
Summary of the invention
The purpose of this invention is to provide a kind of control figure satellite broadcast receiver audiovisual time method: as ' No. 38879 with following function ' digital satellite broadcasting receiver in, set when master unit or subelement and to have comprised from all interior unit after effective time, used above-mentioned master unit can control the audiovisual time of self and each subelement.
Another object of the present invention provides a kind of control figure satellite broadcast receiver audiovisual time method with following function: as ' No. 38879 ' digital satellite broadcasting receiver in, set when master unit or subelement and to have comprised that from all interior unit after effective time, each unit can be controlled self audiovisual time respectively.
In order to realize above purpose, the audiovisual duration control method of playing receiver according to digital satellite of the present invention is made of master unit and a plurality of subelement.Master unit includes display unit, CAS device, modulator-demodulator, and when receiving a plurality of channels tuning these several channels, then will be tuned to the program of channel encrypt again again and export after the demodulation sign indicating number respectively; A plurality of subelements do not comprise CAS device, modulator-demodulator, and be separately positioned on together independently in the space with display unit, the program of the specific channel that reception is sent by above-mentioned master unit, then with its deciphering, decoding, and show, the channel selection or the purchase information of user's input are sent to master unit.
The audiovisual duration control method that this digital satellite is play receiver comprised with the next stage:
(a) in master unit, the stage that the user sets effective audiovisual time of master unit and subelement by menu screen;
(b) above-mentioned master unit is stored into effective audiovisual temporal information of each unit in the storage device, is then sent to the stage of subelement effective audiovisual time;
(c) above-mentioned master unit compares present time the effective time with a unit, and judges whether to exist the stage of the unit that breaks away from effective time;
(e) when master unit breaks away from effective time, master unit is not in the television equipment of relevant program input master unit, and demonstration is not the stage of the information of effective time;
(f) when subelement breaks away from effective time, above-mentioned master unit just interrupts transmitting program to the correlator unit, transmits the stage of unactivated information of audiovisual time to subelement;
(g) subelement that receives above-mentioned effective unactivated information of audiovisual time shows it is not the information of effective audiovisual time in display unit, as long as spent the regular hour, with regard to the power supply of the relevant subelement of positive closing section.
Above-mentioned (a) stage also comprises two stages.A stage is the effective time of setting master unit and each subelement in any one unit of subelement by menu screen; Another stage is the effective audiovisual time with the master unit of above-mentioned setting and each subelement to send master unit to.
Above-mentioned (a) if the stage select menu item for the audiovisual time set of audiovisual time of in any one unit of master unit or each subelement, setting each unit, will input password by the user, and have only the user of input proper password just to allow to visit the menu item of setting the above-mentioned audiovisual time.
Above-mentioned each unit of (a) stage was held repeatedly with the next stage: if according to the audiovisual time set menu item of user capture for effective audiovisual time of each unit of setting in above-mentioned menu screen, just show the stage of effective audiovisual time of identification person that can set each unit in audiovisual time set picture and the unit identification person who has selected; State the stage that requires the unit identification person of audiovisual time set in the audiovisual time set picture in the choice; Be set in the stage of effective audiovisual time of the unit identification person who selects in the above-mentioned stage.And set the effective audiovisual time according to different unit.
Time started and concluding time can be selected and set to effective audiovisual time of the unit identification person of above-mentioned selection in above-mentioned audiovisual time set picture.
When the unit identification person's who only sets above-mentioned selection time started, and when not setting the concluding time, every day, as long as the power supply of relevant unit just can be opened automatically to the time started.
When opening the concluding time of the unit identification person who only sets above-mentioned selection, and when not setting the time started, every day, as long as the power supply of relevant unit just can be closed automatically to the concluding time.
Above-mentioned (a) stage comprises following several stages again: if according to the audiovisual time menu item of user capture for effective audiovisual time of setting each unit in above-mentioned menu screen, just show effective audiovisual time term purpose stage of the unit identification person of the identification person that can set each unit in audiovisual time set picture and selection; In above-mentioned audiovisual time set picture, once select the plural at least stage that requires the unit identification person of same audiovisual time; Set the stage of effective audiovisual time of a plurality of unit identification persons that select in the above-mentioned stage.
Above-mentioned (a) stage also comprises following two stages.One is the stage that shows some projects, for if the audiovisual time menu item of effective audiovisual time of setting each unit in above-mentioned menu screen visits according to the user, these projects just can be set in each unit identification person of comprising ' all unit ' project in the audiovisual time set picture and effective audiovisual time of selected cell so.In above-mentioned audiovisual time set picture, select ' all unit ', set effective audiovisual time then, and at above-mentioned master unit be connected in the subelement of master unit and set same effective audiovisual time, this is another stage.
Above-mentioned (a) stage also comprises following two stages.One is the stage that shows some projects, if visit according to the user in order to set the audiovisual time menu item of each unit audiovisual time in above-mentioned menu screen, these projects just can be set in the audiovisual time set picture and comprise ' unit now ' each unit identification person of project and effective audiovisual time of selected cell so.In above-mentioned audiovisual time set picture, select ' unit now ', set effective audiovisual time of above-mentioned present menu identification person then, this is another stage.
Above-mentioned (a) stage also comprised with the next stage: above-mentioned master unit periodically transmits the stage of current time information to each subelement; Each subelement compares the current time information of master unit transmission and information effective time of self, judges then whether the current time breaks away from the stage of effective audiovisual time period; Broken away from effective audiovisual time if be judged as in the above-mentioned stage, just do not received the program from above-mentioned master unit so later on, also do not accepted user's instruction, display unit will show the stage of the information that is not current effective audiovisual time; Through behind the certain hour, the stage of the relevant subelement power supply of positive closing.
Above-mentioned (e) stage comprised with the next stage: if judged result is the effective audiovisual time that has broken away from master unit the current time, show it is not the information of effective audiovisual time so in the display unit of master unit, require the user to input the stage of main password simultaneously; When the password of user input is correct, relevant program will normally be presented at the stage on the display unit of master unit.
Above-mentioned (g) stage also comprised with the next stage: when subelement receives the unactivated information of the effective audiovisual time that is sent by above-mentioned master unit, it is not effective audiovisual temporal information that the display unit of correlator unit shows, requires the user to input the stage of main password simultaneously; When the password of input was correct, master unit received the programme information of user applies, and the stage of normal demonstration in relevant subelement display unit.
The audiovisual duration control method of playing receiver according to digital satellite of the present invention is made of master unit and a plurality of subelement.Master unit comprises display unit, CAS device, modulator-demodulator, and when receiving a plurality of channels tuning these several channels, then will be tuned to the program of channel encrypt again again and export after the demodulation sign indicating number respectively; A plurality of subelements do not comprise CAS device, modulator-demodulator, and be separately positioned on together independently in the space with display unit, the program of the specific channel that reception is sent by above-mentioned master unit, then with its deciphering, decoding, and show, the channel selection or the purchase information of user's input are sent to master unit.
The audiovisual duration control method that this digital satellite is play receiver comprised with the next stage:
(a) stage, the user passes through menu screen, set effective audiovisual time of master unit and each subelement in master unit or subelement, has set in subelement after effective audiovisual time of master unit and each subelement, the subelement of being correlated with is sent to master unit with effective audiovisual time.
(b) stage, above-mentioned master unit transmits relevant effective audiovisual time after being stored in effective audiovisual time of each unit of above-mentioned setting in the storage device to each subelement.
(c) stage, above-mentioned master unit periodically transmits current time information to each subelement.
(d) stage, each subelement compares the current time information that sent by master unit and the effective audiovisual temporal information of oneself, judges whether the current time has broken away from effective audiovisual time.
(e) stage, broken away from effective audiovisual time if in the above-mentioned stage, be judged as, to in display unit, not show the program that receives from master unit there so, and also not accept user's instruction, and in display unit, show it is not current effective audiovisual time.
(f) stage crossed after the regular hour, and the power supply of correlator unit will be closed.
Above-mentioned (e) stage was made up of following two stages.A stage shows it is not effective audiovisual time in display unit, require the user to input password simultaneously; In another stage, when the password of input is correct, receives the program of user applies there from master unit, and this program normally is presented on the display unit of subelement.
Describe in detail for example by the reference accompanying drawing, another object of the present invention, feature and advantage are just apparent.
Identical with the above, transmit the audiovisual time method of receiver according to digital satellite program of the present invention, by a master unit, adjust a plurality of channels simultaneously, be not only master unit, the specific channel program that each subelement in a plurality of spaces independently receives independent unit to adjust, and with its decoding, demonstration; At this moment, master unit or subelement can be set effective audiovisual time of each unit that comprises self, the audiovisual time of may command self and each subelement in master unit, perhaps can control self audiovisual time in each subelement.Thus, can prevent the TV reception that children are too much, particularly all be provided with under the situation of subelement, or in father and mother such as go out at environment, the audiovisual time by the control children, can prevent child's TV reception without limit in each room.
Simultaneously, under the situation of setting effective audiovisual time,, in the room of subelement setting, can wake the child of sleep in the morning, also can prevent the TV reception that child is late excessively simultaneously by the function of supporting that each subelement reservation is opened or closed.
Description of drawings
Fig. 1 is the conceptual schema according to digital satellite broadcasting receiver of the present invention.
Fig. 2 is the detailed diagram of master unit among Fig. 1.
Fig. 3 a, Fig. 3 b are the key frame illustrations of setting the audiovisual time according to the present invention.
Fig. 4 a to Fig. 4 c sets audiovisual time course flow process illustration according to the present invention.
(a) of Fig. 5 (b) is master unit control self audiovisual time course illustration.
Fig. 6 is Fig. 5 (b) figure control audiovisual time course operational flowchart more specifically.
(a) of Fig. 7 is according to subelement control of the present invention self audiovisual time flow illustration to (c).
Fig. 8 a and Fig. 8 b are the flow process illustrations of controlling each subelement audiovisual time according to master unit of the present invention.
Fig. 9 is the flow process illustration according to each subelement control of the present invention self audiovisual time.
*The explanation of accompanying drawing main mark
*
101: satellite antenna 102:LNB
103: multipath conversion puts 110: master unit
200:CPU 210: the multichannel tuner
220: multichannel TP distributor 230:A/V decoder
240: modulator-demodulator 250:CAS device
260: crypto engine 270:EPG DB
280: the main signal receiving and transmitting apparatus
Embodiment
Following with reference to accompanying drawing, describe with regard to formation of the present invention and effect thereof, with reference to the accompanying drawings, giving one example at least describes formation of the present invention and effect, and the technological thought of the invention described above, its core texture and effect are not subjected to the restriction of above-mentioned example.
Fig. 1 is at above-mentioned ' No. 38879 ' in the digital satellite of beginning play the concept structure figure of receiver.This digital satellite is play receiver and is comprised antenna (101), low noise amplifier (LowNoise Block; LNB) (102), a plurality of switching device (103), master unit (110), a plurality of subelement (120) constitute.
Antenna (101) can the received RF paginal translation digital satellite play;
Low noise amplifier (Low Noise Block; LNB) (102) low noise ground amplifies the digital satellite signal of the radio frequency paginal translation that receives by antenna (101);
A plurality of switching devices (103) will be by above-mentioned low noise amplifier (Low NoiseBlock; LNB) satellite-signal of (102) output be divided into a plurality of, and by the output of each approach;
Master unit (110) receives the satellite-signal of above-mentioned a plurality of switching devices (103) by a plurality of approach outputs, by the desired channel of tuner tuning each subelement of difference, and carry out demodulation, convert thereof into data flow again, decode then and encrypt, send subelement at last to;
A plurality of subelements (120) are separately positioned in the distinct area, receive the data stream encrypted that is sent by above-mentioned master unit, and it is understood and the A/V decoding, show then.Above-mentioned each subelement also comprises the external memory storage that can store program, VCR, DVD, HDD etc.
Fig. 2 is the detailed diagram of above-mentioned master unit (110).Master unit (110) is made up of multi-tuner (210), CAS device (250), multichannel TP distributor (220), central processing unit (CPU) (200), A/V decoder (230), crypto engine (260), main transceiver (270), modulator-demodulator (240).
Multi-tuner (210) is made up of a plurality of tuners and demodulator, receives by the satellite RF signal of above-mentioned many switching devices (103) by each approach output, and according to the requirement of each subelement tuning in to channels simultaneously, carries out demodulation then and exports with the TP form;
CAS device (250) utilizes the home intelligent card, carries out the authentification of user and the decoding of master unit and each subelement;
The IP signal that multichannel TP distributor (220) is sent by each tuner and the demodulator of above-mentioned multi-tuner (210) to CAS device (250) output, and for after decoding, the traffic spike of will decoding sends on the display (as: TV) and each subelement that is connected on the master unit, distributes the above-mentioned IP signal;
The data communication of above-mentioned master unit and satellite play service provider, above-mentioned master unit and subelement is controlled in the overall property running of the above-mentioned master unit of central processing unit (CPU) (200) control in addition;
A/V decoder (230) is received in central processing unit (CPU) (200) control and descends from the data flow of the master unit of multichannel TP distributor (220) output, and be divided into audio data stream and video data stream, then audio data stream is decoded respectively with relevant decoding algorithm with video data stream, and show on the display that it is sent to master unit links to each other;
Crypto engine (260) is received in central processing unit (CPU) (200) control and descends from the data flow of the subelement of multichannel TP distributor (220) output, encrypts according to the password rule of setting then;
Main transceiver (270) will data stream encrypted be sent to each subelement in above-mentioned crypto engine (260), perhaps receive the information that requires authentification of user, channel selective information and the purchase information etc. that send by above-mentioned each subelement, and these information are sent to above-mentioned central processing unit (CPU) (200);
Modulator-demodulator (240) only is arranged at above-mentioned master unit (110), by (CPU) (200) receive be sent to subelement require that the user authenticates information and purchase information etc., and send to satellite play service provider and then the information relevant with satellite play service provider sent to (CPU) (200).
Above-mentioned each subelement receives the coded signal that is sent by above-mentioned master unit (110), and understand according to the deciphering rule of setting, will be used to then show that the display of decoded video signal is connected to the attached IRD (IntegratedReceiver﹠amp that restores original audio signal; Decoder) on, it does not have built-in satellite tuner and modulator-demodulator and CAS.That is to say that modulator-demodulator is not arranged on subelement, and is arranged in the master unit, the data communication of each subelement and satellite play service provider realizes by above-mentioned master unit (110).The purchase signal of each subelement of above-mentioned master unit (110) sends satellite play service provider independently to, and its result is retransferred to relevant subelement.
Therefore, there is no need each subelement modulator-demodulator all is set, so user's cost burden has obtained alleviating, the structure of subelement has also become simply in addition.
On the other hand, tuning satellite-signal has comprised program guiding information (EPG, APG etc.) and more than one channel program in above-mentioned master unit (110).So added A/V decoder (230) and other anti-multiple makeup is put, with tuning and demodulation the IP signal set up database, these IP signals are fixed in each subelement.For following convenient explanation, abbreviate the program guiding information of DBization in the above-mentioned memory as EPG DB (280).
So, each subelement is to the additional data information of above-mentioned master unit (110) application such as program guiding information, and it is that the data message that above-mentioned subelement is applied for sends subelement to that above-mentioned master unit (110) just can only be used as the data message in the database.Like this, even each subelement can not carry out DBization in addition with additional data information, the memory utilance of subelement also can be improved, and has therefore both compressed the memory capacity of each subelement, has also reduced user's cost burden.
Here, above-mentioned master unit (110) and each subelement (120) is connected with wired and wireless two kinds.If above-mentioned master unit (110) and each subelement (120) carry out wireless connections, just there has not been cable between above-mentioned master unit (110) and each subelement (120) yet, therefore, the setting of each subelement, move and increase and just become easier, this is its advantage.
Above-mentioned CAS device (250) is also the same with modulator-demodulator not to be arranged in each subelement, only is arranged on master unit, and the smart card that inserts in above-mentioned CAS device (250) is the home intelligent card.At this moment, satellite play service provider just can provide the service of opening an account that reduces the expense of opening an account according to the subelement number that is subjected to the master unit restriction in proportion.
Above-mentioned smart card is managed information such as relevant user's login, authentication by the data communication between main and subelement and the satellite play service provider, and stores the plug-in reader that can carry out data decode.
In addition, as long as have an ID and password just can login above-mentioned smart card.
Give an example, when only logining above-mentioned smart card with an ID and password, have only master unit input ID and password, can accept user's authentication, if accepted authentification of user, master unit also can be by on the normal recordings with all subelements that link to each other with above-mentioned master unit.No matter be the ID and the password of master unit or any one subelement input login smart card, can both accept authentification of user by master unit, if accepted authentification of user, master unit and all subelements can both be by normal recordings.
If master unit and each subelement are logined above-mentioned home intelligent card with ID and password respectively, behind the ID and password of input subelement, the correlator unit also can be by authentification of user by master unit in the correlator unit.
Give an example, if master unit and subelement are logined smart card with ID and password respectively, ID that the user inputs in subelement B and password will send master unit to.ID and password that the user inputs in subelement B are sent to master unit, and above-mentioned master unit compares the ID and the password of subelement and the ID and the password that are sent to subelement, if both unanimities will inform that subelement B is by the signal of authentification of user.So above-mentioned subelement B can be recorded and normal the use.
At this moment, the ID of above-mentioned master unit and password not only in master unit, can both obtain user's authentication in any subelement, and for example father and mother also can use.That is to say that the ID of subelement and password can only just can obtain user's authentication in relevant subelement, but the ID of master unit and password not only can obtain user's authentication in master unit, can in any subelement.
Therefore, if the ID of above-mentioned master unit and password obtain user's authentication in master unit, the user who obtains authentification of user just can set effective audiovisual time of master unit and each subelement in master unit.Perhaps, if the ID of above-mentioned master unit and password obtain user's authentication in subelement, the user can set effective audiovisual time of master unit and each subelement in obtaining the subelement of authentification of user.
At this moment, if the user sets effective audiovisual time of master unit and each subelement in master unit, effective audiovisual time main and each subelement that above-mentioned subelement just will be set sends master unit to.So, above-mentioned master unit sends effective audiovisual time of each subelement to relevant subelement after having stored above-mentioned effective audiovisual time, and the correlator unit can be known at the reservation of self watch set point with pre-recording.
At this moment, above-mentioned master unit can also be according to effective audiovisual time set value of each unit, controls the audiovisual time of self and correlator unit, and in addition, each subelement also can be controlled the audiovisual time of self according to the effective audiovisual time set value of self.
The former situation is, the master unit inspection self with each subelement in effective audiovisual time of setting, when current master unit breaks away from effective audiovisual in the time of the time period, the picture and the voice data that will not show related-program on the display of master unit, what replace demonstration is to show the information that is not effective audiovisual time.Break away from effective audiovisual in the time of the time as more than one subelement, will interrupt transmitting program, and transmit error message to the correlator unit, then through after the certain hour, the power supply of positive closing correlator unit.
The latter's situation is, the audiovisual time that each subelement inspection is set in self, broken away from effective audiovisual in the time of the time period when this time, subelement will not receive the related-program that is sent by master unit, perhaps interrupt the program that the demonstration master unit receives, replacing shows it is not the error message of effective audiovisual time, and after the process certain hour, power supply is forced closed then.
Fig. 3 shows according to the present invention in order to set the menu map of audiovisual time in master unit or subelement.Just, in any one subelement in master unit or a plurality of subelement, the user utilizes the loader as remote controller, show menu screen as Fig. 3 a, when the time set project in the menu item of having selected above-mentioned menu screen, in display, show audiovisual time set picture as Fig. 3 b.
After Fig. 3 b is presented at the audiovisual time set menu item that the user selected Fig. 3 a, set audiovisual time essential value in the audiovisual time set picture.
That is, the user selects to set the unit (that is, master unit or at least one subelement) of audiovisual time in the audiovisual time set picture of Fig. 3 b, and selects the possible audiovisual time of the unit of above-mentioned selection.At this moment, the unit identifier that can distinguish each unit in the said units option is shown.Above-mentioned each unit identifier both can be set by the user, also can be by system's automatic setting.
Then, effectively watch time started and concluding time, and press acknowledgement key if set, the unit of selection the audiovisual time just be set.For example, effective audiovisual time of Fig. 3 b unit 1 identification person is set to 6: 30 to 9: 30 morning.
At this moment, the user sets the mutually different audiovisual time for can for each unit, also only set effective audiovisual time in the unit in master unit or a plurality of subelement, can also master unit with set the same audiovisual time with above-mentioned master unit in by wired or wireless all subelements that are connected.
In addition, the user also can only set the audiovisual time in the unit of carrying out current audiovisual time set, can also set the same audiovisual time at least two unit, but not all unit.
If when setting mutually different audiovisual in the time of the time for each unit, selection will be set the unit of effective audiovisual time, carry out the process of setting the audiovisual time of wanting in the unit of selecting according to different unit, select ' affirmation ' to get final product then.At this moment, if do not want to set effective audiovisual time, select ' cancellation ' to get final product.
When master unit with when above-mentioned master unit wants to set the same audiovisual time in by wired or wireless all subelements that are connected, also can set according to said process, perhaps the menu item that shows ' all unit ' can also be added in the unit options of above-mentioned Fig. 3 b, once set then.That is, in the unit options, select ' all unit ', set effective audiovisual time then to get final product.
In addition, when wanting only in the menu of the current audiovisual time set of execution, to set the audiovisual time, identical with said process, can select active cell earlier, set effective audiovisual time then, perhaps, the menu item that shows ' active cell ' can be added in the unit options of above-mentioned Fig. 3 b, if select ' active cell ' then and set effective audiovisual time of active cell, so just realized the only setting audiovisual time in active cell.This situation makes that user's audiovisual time set is easier, and is also easier.
On the other hand, when want more than two but be not be to set the audiovisual time in all unit in, as mentioned above, can set successively according to different unit, perhaps, above-mentioned master unit identification person is presented on the picture of Fig. 3 b with all subelement identification persons that link to each other with master unit, utilize remote controller once to select plural unit, set effective audiovisual time of above-mentioned selected cell then, then input ' affirmation ' so just can once have been set effective audiovisual time of two above unit.Here, to duplicate or delete in the process of selecting two above unit and the computer and once select a plurality of files the same, inform the user, not go through in the present invention.
At this moment, identical shown in Fig. 3 b to effective audiovisual time of each unit, though set one only, also can set more than one according to designer's difference.This also is applicable to master unit and each subelement simultaneously.For example, master unit audiovisual time set is from 6: 30 afternoon to evening 9: 30, effective audiovisual time of subelement 1 can from afternoon a bit to 2 points, set 9: 30 at 6 o'clock in afternoon to evening.
On the other hand, the audiovisual time set picture of utilization of the present invention shown in top Fig. 3 b carried out on.
For example, in the audiovisual time set picture of Fig. 3 b, behind the selected cell identification person,, can not set the time of end, make the power supply of corresponding units open just passable automatically in the time of setting if can only set the time of beginning.Utilize this function, can in being provided with each room of subelement, notify in the morning and wake the child who sleep soundly.
Perhaps, behind selected cell identification person in the audiovisual time set picture of Fig. 3 b, do not set the time started and only set the concluding time, just can make power supply positive closing when the concluding time of setting of corresponding units.This can carry out the reservation function of going to bed, simultaneously, can prevent child in being provided with the room everywhere of subelement excessively the evening TV reception.
At this moment, above in Fig. 3 a menu screen of being said, input password when the user visits audiovisual time set menu item.When the user correctly inputs password, will show as the identical menu screen of top Fig. 3 b.This main user, that is, other people beyond the father and mother for example, can prevent that child from setting undesirable effective audiovisual time of father and mother.Such as, main ID and the top said smart card of password login, the user can only correctly input main ID and password, just can demonstrate top said audiovisual time menu screen project.Top main ID that says and password also can be the ID and the password of master unit.
Simultaneously, Fig. 3 a, the formation of the menu screen of Fig. 3 b, audiovisual time set picture is the example of an enforcement, and the dealer who is engaged in this technical field at present can be not limited to top example and be out of shape.
Perhaps, effective audiovisual time of the setting of saying above can carry out in a subelement in master unit or a plurality of subelement, and Fig. 4 a to Fig. 4 c is exactly an example of setting this type of audiovisual time course.
Fig. 4 a person of being to use sets the example of effective audiovisual time of master unit on master unit.That is, the user in master unit as above the process of Fig. 3 can set effective audiovisual time of master unit.At this moment, the user can obtain authentication by input ID and password, also may not obtain authentication, and these are different according to the designer, and are at Fig. 4 b, suitable equally among Fig. 4 c.
As Fig. 4 b, the user sets effective audiovisual of subelement b during the time in master unit, the example of communicating by letter of master unit and subelement b.Promptly, the user as the process setting by top Fig. 3 in master unit to effective audiovisual time of subelement b, the top master unit of saying is sent to subelement b after effective audiovisual temporal information of storing sub-units b, make subelement b know audiovisual time set information to self.
As Fig. 4 c, the communication example between each unit in the process of the audiovisual time of setting subelement B among the subelement A.That is, main user is by the process of top Fig. 3, in subelement A as set effective audiovisual time of subelement B, above the subelement A that carried effective audiovisual temporal information of the subelement B that sets is conveyed to master unit.The top master unit of saying is sent to subelement B after effective audiovisual temporal information of the subelement B that storage receives, make subelement B know the audiovisual time set information of self.
Perhaps, above the master unit carried identical with top Fig. 4 a to Fig. 4 c, if set effective audiovisual time, after storage, control the audiovisual time of each unit to master unit and each affiliated group.At this moment, set information effective time of master unit and each subelement can be stored in smart card, also can be stored in inner storage device.For example, the ID and the password of different units in the top said smart card can be reached effective audiovisual time set message catalogization, and storage.
When Fig. 5 passes through the display unit audiovisual material of master unit, suppose in master unit or certain subelement master unit to be set the audiovisual time control procedure of expression master unit audiovisual time.
What (a) of Fig. 5 represented is not set or set the effective audiovisual of master unit during the time, when present time is the situation of effective audiovisual time period of setting of master unit, the situation that the respective program of user's request normally shows in the master unit display unit in master unit.
(b) of Fig. 5 is that present time breaks away under the situation of effective audiovisual time period that master unit sets, at this moment master unit is not exported corresponding program in display unit, do not receive user's input information, in display unit, show it is not the information of effective audiovisual time, perhaps (b) with Fig. 5 is identical, require to input password to the user, when importing correct password, in the master unit display unit, can normally show corresponding program.
Fig. 6 is the more detailed action flow chart of Fig. 5.
That is, in master unit, receive and be included in the present time information (stage 601) that also transmits in the program transmission signal,, itself and the effective audiovisual of the master unit time of having set are compared (stage 602) as receiving present time information.
If the effective audiovisual of setting that the judgement present time has broken away from master unit is during the time, in master unit, the program of user's request does not export the display unit (stage 603) of master unit to.Showing now with the OSD form in the master unit display unit is not the information (stage 604) of effective audiovisual time.
Simultaneously, require password, and accept the password (stage 605) of input to the user, at this moment, check the password (stage 606) of input, if correct password, promptly, main in this way password, the program of user's request shows (stage 607) normally in the display unit of master unit in master unit, just in case be not correct password, master unit does not receive all users' input, at this moment, close the power supply of master unit by force, this also can be different according to the designer.
That is, under the situation that the power supply of master unit is forced closed, even effectively the audiovisual time only be set on the master unit, when breaking away from master unit section effective time, the audiovisual time that also can limit once each subelement program.On the other hand, under the situation that the power supply of master unit is not closed, the display unit of master unit stops program and shows, do not receive user's input, the program of adjustment and demodulation request in each subelement, be sent to each subelement, perhaps, item is handled in the channel switch of normally asking in each subelement, purchase etc.
Fig. 7 is by the example of control audiovisual time method among the subelement B that sets effective audiovisual time, shows master unit, and subelement B is with user's the example of communicating by letter.
Fig. 7 (a) do not set effective audiovisual time at subelement B, or subelement B is under the situation of effective audiovisual time period now, above said subelement B receives the image, voice data of the program that decoding transmits in master unit after, the normal example that shows in the display unit of subelement B.Just in case the image of corresponding program, voice data are encrypted and are transmitted in the master unit, above said subelement B carry out decoding and displaying after it is understood.
Above among (a) of said Fig. 7 when the antithetical phrase unit B is set effective audiovisual and is carried out the situation of time, the audiovisual time of may command subelement B in the master unit, also audiovisual time of may command self in subelement B.
Fig. 8 is in master unit, controls the operational flowchart of process of the audiovisual time of each subelement, and Fig. 8 a is the operational flowchart in the master unit, and Fig. 8 b is the operational flowchart in each subelement.
Promptly, after master unit is visited from the visual signal of sending TV and Radio Service and is appeared at the time, time of visiting out and effective audiovisual time of each subelement are compared (stage 801), judge whether to exist the subelement (stage 802) that breaks away from effective audiovisual time.
For example, have the subelement that breaks away from effective audiovisual time period in 802 on last stage, when its subelement was assumed to the situation of subelement B, top master unit did not transmit image, the voice data (stage 803) of any program to subelement B.
To unactivated information of effective audiovisual time subelement B delivery time (stage 804).
Among the subelement B (stage 811) of effective unactivated information of audiovisual time that the master unit that reception is talked about from above sends, when receiving information, do not receive used user's input, display unit shows unactivated information of effective audiovisual time (stage 812) by the OSD form, simultaneously, as process certain hour (stage 813), close the power supply (stage 814) of subelement B by force, at this moment, the power supply of the top subelement B that carries can be closed in master unit by force, but also positive closing in subelement B.
Fig. 9 is in each subelement, controls the flow chart of the audiovisual time of self.Master unit is extracted present time out from the visual information that TV and Radio Service sends, and the present time of extracting out transmitted to each subelement termly, perhaps, the top master unit of carrying in specific subelement, adjust and the channel of demodulation request after, transmit (stage 901) to each subelement or corresponding subelement.
In that event, relatively by the present time of master unit transmission and effective audiovisual time of self setting, judge whether to break away from present effective audiovisual time period (stage 902) in each subelement.
Above judged result, present time is if effective audiovisual time period, master unit receives the request channel program that transmits, and image, the voice data of its program of normally decoding, and exports display unit (stage 903) to.
Just in case judged result is that present time breaks away from effective audiovisual during the time period, does not receive the program of the request channel of transmission in the master unit, though perhaps received signal, also to display unit output (stage 904).
Show (stage 905) after the unactivated information of effective audiovisual time with the OSD form in the display unit, as through certain hour (stage 905), positive closing power supply (stage 907).
At this moment, superincumbent Fig. 8, the subelement of effective audiovisual time period of disengaging among Fig. 9 in the unactivated information that shows effective audiovisual time, requires password to the user.That is, when importing correct password (for example password of master unit), the restriction of effective audiovisual time be can not be subjected to, program decoding and demonstration in subelement, normally carried out.Like this, but the main user who is similar to father and mother in effective audiovisual time in irrelevant subelement the program in each subelement of audiovisual.For this reason, above the main password said can be the password of the master unit of login smart card, or the main password of the storage device of login master unit.
Fig. 7 (b), (c) show when being the situation of the audiovisual time of control self in each accessory, particularly break away from the subelement of effective audiovisual time period, and the password that receives user's input is controlled the audiovisual time.
At this moment, (b) of Fig. 7 is meant the situation of checking password in subelement, and (c) of Fig. 7 is the situation of checking password in master unit.Here, when carrying out the situation of checking password in the master unit, subelement should pass the password of user's input to master unit the result of receiving check.When carrying out the situation of checking password in subelement, subelement should be accepted the proper password and the storage of master unit or smart card transmission.
That is, in Fig. 7 (b), master unit when program image, voice data with subelement B request are sent to subelement B, regular transmission present time information.The top subelement B that carries breaks away from now the effectively audiovisual time as judging relatively from present time and self effective audiovisual time that master unit transmits, will show effective unactivated information of audiovisual time in display unit, requires the user to input password simultaneously.
Next, input password, check whether the password of its input is correct password as the user, just in case the password of input is correct password, subelement B understands the back decoding with it under the situation that the program image that receives, voice data are encrypted, and exports the display unit of subelement B to.If the password of input is not correct password, the power supply of subelement B will be forced closed behind the certain hour.
Master unit passes in subelement B regular transmission present time information at program image, voice data with subelement B request among (c) of Fig. 7.Present time that subelement B relatively transmits from master unit and the effective audiovisual time of self, if judged result is for breaking away from effective audiovisual time, in display unit, will export the unactivated information of effective audiovisual time, and require the user to input password simultaneously.
Then input password as the user, the password of importing is sent to master unit, master unit judges to the password that transmits from subelement B whether it is correct password, and the result that will check circulates a notice of subelement B simultaneously.When the cryptographic check result that subelement B transmits at master unit be correct password, will decode after the image of the program that transmits and the voice data deciphering, and export the display unit of subelement B to.Perhaps, when its password as a result of inspection is incorrect password, after the regular hour with the power supply of positive closing subelement B.
(a) of top Fig. 7 that carries is example to (c) though with subelement B, is applicable to the subelement that other are all.Perhaps, in the present invention, when visit audiovisual time set menu item, or break away from the unit of effective audiovisual time when inputing the situation of password for normal display program, be the more understandable password of only having mentioned of explanation, also but ID and password are all imported, and also can only import ID, and these are different and different with the designer's.In addition, ID and password also can be the master unit password of login smart card, also can be listed main ID and passwords in the master unit storage device.
By above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this invention technological thought.Therefore, the technical scope of this invention can not be confined to the detailed description on the detailed book; Must determine its technical scope according to the scope of patent application.
Claims (9)
1. control a plurality of unit digital satellite broadcasting receiver audiovisual time method, described digital satellite is play receiver and is made of master unit and a plurality of subelement, wherein master unit comprises display unit, CAS device, modulator-demodulator, and when receiving a plurality of channels tuning these several channels, then will be tuned to the program of channel encrypt again again and export after the demodulation sign indicating number respectively; A plurality of subelements do not comprise CAS device, modulator-demodulator, and be separately positioned on together independently in the space with display unit, the program of the specific channel that reception is sent by above-mentioned master unit, then with its deciphering, decoding, and show, send the channel selection or the purchase information of user's input to master unit, it is characterized in that it comprised with the next stage:
(a) in master unit, the stage that the user sets effective audiovisual time of master unit and subelement by menu screen;
(b) above-mentioned master unit is stored into effective audiovisual temporal information of each unit in the storage device, is then sent to the stage of subelement effective audiovisual time;
(c) above-mentioned master unit is to comparing the effective time of present time and each unit, and judges whether to exist the stage of the unit that breaks away from effective time;
(e) when master unit breaks away from effective time, master unit is no longer imported relevant program in the display unit of master unit, and shows the stage of the information that is not effective time;
(f) when subelement breaks away from effective time, above-mentioned master unit just interrupts transmitting program to the correlator unit, transmits the stage of unactivated information of audiovisual time to subelement;
(g) subelement that receives above-mentioned effective unactivated information of audiovisual time shows it is not the information of effective audiovisual time in display unit, after after a while, with the stage of the power supply of the relevant subelement of positive closing.
2. control as claimed in claim 1 a plurality of unit digital satellite broadcasting receiver audiovisual time method is characterized in that, described (a) stage also comprises:
In any one subelement in a plurality of subelements, the user sets the stage of effective audiovisual time of master unit and each subelement by menu screen; With
Effective audiovisual time of the master unit of above-mentioned setting and each subelement is sent to the stage of master unit.
3. control as claimed in claim 1 a plurality of unit digital satellite broadcasting receiver audiovisual time method is characterized in that described (a) stage shows as:
If the user selects to set the menu item of audiovisual time for the audiovisual time of setting each unit in any one subelement of master unit or each subelement, receive the password that the user inputed, have only the user of input proper password just to allow to visit the menu item of setting the above-mentioned audiovisual time.
4. control as claimed in claim 3 a plurality of unit digital satellite broadcasting receiver audiovisual time method is characterized in that, described password refers to the master unit password of the smart card of logining the CAS device that inserts master unit.
5. control as claimed in claim 1 or 2 a plurality of unit digital satellite broadcasting receiver audiovisual time method is characterized in that, described (a) stage comprises:
For in menu screen, setting effective audiovisual time of each unit, user and visit the words of setting audiovisual time menu item, in audiovisual time set picture, demonstration can be set the identification person of each unit and the stage of the project of effective audiovisual time of the unit identification person of selection so;
In above-mentioned setting audiovisual time picture, select requirement to set the unit identification person's of audiovisual time stage;
Each unit carries out setting the process of effective audiovisual time of the unit identification person who selects repeatedly in the above-mentioned stage, and sets the effective audiovisual time according to different unit.
6. control as claimed in claim 1 a plurality of unit digital satellite broadcasting receiver audiovisual time method is characterized in that described step (a) also comprises:
Above-mentioned master unit periodically transmits the stage of current time information to each subelement;
Current time information that each subelement sends master unit and the effective audiovisual temporal information of self compare, and judge then whether the current time breaks away from the stage of effective audiovisual time period;
If judged result is for having broken away from effective audiovisual time in the above-mentioned stage, just do not receive program so later on from above-mentioned master unit, do not accept user's instruction yet, display unit will show the stage of the information that is not current effective audiovisual time; With
Through behind the certain hour, the stage of the relevant subelement of positive closing.
7. control a plurality of unit digital satellite broadcasting receiver audiovisual time method, described digital satellite is play receiver and is made of master unit and a plurality of subelement, wherein master unit comprises display unit, CAS device, modulator-demodulator, and when receiving a plurality of channels tuning these several channels, then will be tuned to the program of channel encrypt again again and export after the demodulation sign indicating number respectively; A plurality of subelements do not comprise CAS device, modulator-demodulator, and be separately positioned on together independently in the space with display unit, the program of the specific channel that reception is sent by above-mentioned master unit, then with its deciphering, decoding, and show, send the channel selection or the purchase information of user's input to master unit, it is characterized in that it comprised with the next stage:
(a) stage, the user passes through menu screen, set effective audiovisual time of master unit and each subelement in master unit or subelement, has set in subelement after effective audiovisual time of master unit and each subelement, the subelement of being correlated with is sent to master unit with effective audiovisual time;
(b) stage, above-mentioned master unit transmits relevant effective audiovisual time after being stored in effective audiovisual time of each unit of above-mentioned setting in the storage device to each subelement;
(c) stage, above-mentioned master unit periodically transmits current time information to each subelement;
(d) stage, each subelement compares the current time information that sent by master unit and the effective audiovisual temporal information of oneself, judges whether the current time has broken away from effective audiovisual time;
(e) stage, if judged result is for having broken away from effective audiovisual time in the above-mentioned stage, to in display unit, not show the program that receives from master unit there so, and also not accept user's instruction, and in display unit, show it is not the information of current effective audiovisual time;
(f) stage crossed after the regular hour, and the power supply of correlator unit will be forced closed.
8. control as claimed in claim 7 a plurality of unit digital satellite broadcasting receiver audiovisual time method is characterized in that described (a) stage shows as:
For in menu screen, setting effective audiovisual time of each unit, user and visit the words of setting audiovisual time menu item, in audiovisual time set picture, demonstration can be set the identification person of each unit and the stage of the project of effective audiovisual time of the unit identification person of selection so;
In above-mentioned setting audiovisual time picture, select requirement to set the unit identification person's of audiovisual time stage; With
Set the stage of effective audiovisual time of the unit identification person who selects.
9. control as claimed in claim 7 a plurality of unit digital satellite broadcasting receiver audiovisual time method is characterized in that, described (e) stage also comprises:
In display unit, show it is not the information of effective audiovisual time, require the user to input the stage of password simultaneously;
When the password of user input is correct, receives the program of user applies there from master unit, and this program normally is presented at the stage on the display unit of subelement.
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| JP2003131751A (en) * | 2001-06-11 | 2003-05-09 | Matsushita Electric Ind Co Ltd | License management server, license management system and usage restriction control method |
| CN1467671A (en) * | 2002-06-03 | 2004-01-14 | ���µ�����ҵ��ʽ���� | Contents delivery system, and device, method, recording media, or program for the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2003131751A (en) * | 2001-06-11 | 2003-05-09 | Matsushita Electric Ind Co Ltd | License management server, license management system and usage restriction control method |
| CN1467671A (en) * | 2002-06-03 | 2004-01-14 | ���µ�����ҵ��ʽ���� | Contents delivery system, and device, method, recording media, or program for the same |
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