CN1783298B - Digital information recording and reproducing method and apparatus therefor - Google Patents
Digital information recording and reproducing method and apparatus therefor Download PDFInfo
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- CN1783298B CN1783298B CN200510108388.8A CN200510108388A CN1783298B CN 1783298 B CN1783298 B CN 1783298B CN 200510108388 A CN200510108388 A CN 200510108388A CN 1783298 B CN1783298 B CN 1783298B
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Abstract
To solve the problem inhibiting the copyright protection caused by reason that there are no means for restricting the number of backups to other media, which makes it impossible for a copyright owner to specify the allowable number of backups for the content of ''Copy One Generation'', disclosed herein is a digital information recording and reproducing method. The method is so configured that: a first piece of digital information and copy control information of the first piece of digital information is received, wherein the copy control information is for controlling the recording of the first piece of digital information on a recording medium; and when the received copy control information is Copy One Generation indicating that only one generation copy of digital information is allowed, a plurality of the first pieces of digital information are recorded on a first recording medium as the first piece of digital information and a second piece of digital information, wherein the first piece of digital information is different in format or in bit rate from the second piece of digital information.
Description
Technical field
The invention relates to and to write down the device of restriction to the recording medium that needs carry out the numerical information of copyright protection.
Background technology
As with duplicate the relevant document of record reproducing device of controlling from generation to generation corresponding digital content, have the spy to open the 2002-319227 communique.This communique is relevant with the record reproducing device of digital content, the record reproducing device of this digital content is when the content record that the copy control information demonstration only can be duplicated 1 generation (Copy One Generation) is on recording medium, by in official hour, carrying out record as " Copy One Generation ", the part that record is a and repairing damages, or by a plurality of identical contents of record on recording medium, after backing up on other the medium, can carry out audiovisual with the information on the hard disk.
In recent years, on portable terminals such as mobile phone, carry high-precision LCD,, also can carry out environment constantly perfect of the audiovisual of digital content even in moving or in the place of going out.Under aforesaid environment, can consider on the record reproducing device shown in the patent documentation 1, one in a plurality of digital contents that write down is transferred to carry out audiovisual on the aforementioned portable terminal.
But, on the record reproducing device shown in the patent documentation 1, do not put down in writing its concrete realization means.In addition, because the means of the number of times that backs up to other medium without limits,, and realize the protection of literary property so the copyright owner, can not stipulate the number of times that backs up for " Copy One Generation ".
In addition, other medium as backup object, can consider semiconductor memory, various medium such as CD, with respect to record reproducing device in the hard disk that is connected, because their capacity that can write down tail off, so the compressibility need be from record the time transforms to the compressibility that matches with various medium.
Summary of the invention
The present invention provides following means in order to solve above-mentioned problem.
First solution is a kind of digital information recording reproducting method and the digital information recording transcriber that uses this method, this digital information recording reproducting method is: the copy control information that receives first numerical information and described first numerical information, the information that described copy control information writes down to recording medium for the described numerical information of control, only allow under the situation of a record generation (Copy One Generation) at the copy control information that receives for expression, a plurality of described first numerical informations of record are as described first numerical information and described second numerical information on first recording medium, and described first numerical information is different-format or different bit rate with described second numerical information.
Second solution is a kind of digital information recording reproducting method and the digital information recording transcriber that uses this method, this digital information recording reproducting method is: the copy control information that receives numerical information and described numerical information, the information that described copy control information writes down to recording medium for the described numerical information of control, with described digital information recording on first recording medium, with the described numerical information that is recorded when second recording medium is duplicated, described numerical information is recorded on described first recording medium again.
The 3rd solution is a kind of digital information recording reproducting method and the digital information recording transcriber that uses this method, this digital information recording reproducting method is: the copy control information that receives numerical information and described numerical information, the information that described copy control information writes down to recording medium for the described numerical information of control, and stipulate the permission number of copy times of described numerical information, after first digital information recording is on first recording medium, automatically with described first numerical information as second copying of digital information on described first recording medium.
According to the present invention, can provide and can write down the device and the method for restriction to the recording medium of the record reproducing device of the numerical information of the literary property that needs protection, be more convenient for using.
Description of drawings
Fig. 1 is the block diagram of an embodiment that expression relates to the digital information recording transcriber of the 1st embodiment of the present invention.
Fig. 2 is the figure of formation that expression relates to the records management information of the 1st embodiment of the present invention.
Fig. 3 is the block diagram that cipher control that expression relates to the 1st embodiment of the present invention partly constitutes example.
Fig. 4 is the block diagram that expression relates to the deciphering control section formation example of the 1st embodiment of the present invention.
Fig. 5 is the block diagram that expression relates to the key generating portion formation example of the 1st embodiment of the present invention.
Fig. 6 is the block diagram of an embodiment that expression relates to the digital information recording transcriber of the 2nd embodiment of the present invention.
Fig. 7 is the block diagram of an embodiment that expression relates to the digital information recording transcriber of the 3rd embodiment of the present invention.
Fig. 8 is the figure of formation that expression relates to the records management information of the 3rd embodiment of the present invention.
Fig. 9 is the block diagram of an embodiment that expression relates to the digital information recording transcriber of the 4th embodiment of the present invention.
Figure 10 is the block diagram of an embodiment that expression relates to the digital information recording transcriber of the 5th embodiment of the present invention.
Figure 11 is the figure of formation that expression relates to the records management information of the 5th embodiment of the present invention.
Figure 12 is the block diagram of an embodiment that expression relates to the digital information recording transcriber of the 6th embodiment of the present invention.
Figure 13 is the block diagram of an embodiment that expression relates to the digital information recording transcriber of the 7th embodiment of the present invention.
Figure 14 is the figure of an embodiment that expression relates to the operation screen of the 1st embodiment of the present invention.
Figure 15 is the figure of an embodiment that expression relates to the operation screen of the 3rd embodiment of the present invention.
Figure 16 is the figure of an embodiment that expression relates to the operation screen of the 5th embodiment of the present invention.
Figure 17 is the figure of an embodiment that expression relates to the digital information recording transcriber of the 7th embodiment of the present invention.
Figure 18 is the figure of an embodiment that expression relates to the digital information recording transcriber of the 7th embodiment of the present invention.
Figure 19 is the figure of an embodiment that expression relates to the digital broadcast of the 8th embodiment of the present invention.
Figure 20 is the figure that information that expression relates to the 8th embodiment of the present invention provides an embodiment at station.
Embodiment
Below, describe for embodiment according to infromation recording/reproducing apparatus of the present invention.
For with move the formation example duplicate simultaneously
Usually, so-called " moving " be meant content shifted to second recording medium from first recording medium, and " duplicating " is meant and duplicates same content.That is, " moving " do not increase identical content, and " duplicating " then increases identical content.But in present patent application, so-called " duplicating " also comprises " the moving " that does not increase identical content.
Fig. 1 will add the content record that duplicates control signal from generation to generation on the recording medium of hard disk etc., and the content that permission will have been write down is carried out the block diagram of an example of the digital information recording transcriber 100 that moves of predetermined number of times to other recording mediums.
1 is input terminal among the figure, and input is in for example MPEG2 of uses such as digital broadcast transport stream (to call MPEG2-TS in the following text).2 is the control signal test section, detects the control information from generation to generation of duplicating of the MPEG2-TS be included in input, and sends testing results by control bus 22 to control section 10.3 is switching part, by the information flow of control section 10 switchings from aforementioned control signal test section 2 and deciphering control section 14 described later.13 for encrypting control section, and the MPEG2-TS that will be transfused to encrypts.4 for the record controls part, will to the information flow of recording medium 6 records and or management information sent the order of writing down in storer 9 buffer memorys, carry out the transmission of information flow etc.5 is input, and recording medium 6 is connected to digital information recording transcriber 100, carries out data and transmits.6 is recording medium, for example with formations such as hard disks.7 is reproducing control section, give an order to recording medium 6 and playback management information and information flow after, buffer memory storer 9 in, and flow to deciphering control section 14 output informations.In addition, aforementioned reproducing control section 7 is with corresponding by aforementioned control signal test section 2 detected results, and for example management information or information flow direction can not be reproduced chemical control system loop 8 provides.The management information that can not recover to be transfused to or the conversion process of information flow are carried out in the aforementioned chemical control system loop 8 of can not reproducing, and divide 4 to supply with to aforementioned recording control part.9 is storer, is the information flow from aforementioned record controls part 4 and aforementioned reproducing control section 7 is buffered in different zones respectively, reads in or writes to timesharing, and the buffer of access for example is made of semiconductor memory continuously.14 are the deciphering control section, with the MPEG2-TS deciphering after encrypting.10 is control section, for example constitutes control figure infromation recording/reproducing apparatus 100 by microprocessor etc.11 is mobile number of times information updating part, and detection will be recorded in the number of times that the content on the recording medium 6 moves, and sends the result to control section.12 is lead-out terminal, the content after output is deciphered by aforementioned deciphering control section 14.22 is control bus, carries out data communication at control part 10 with each interblock that is connected with control bus.The 23rd, the remote interface control section is carried from the signal of peripheral operation digital information recording transcriber 100 user by input 24 to control section 10.
Fig. 2 is that expression is with the figure of content to the example of aforementioned recording medium 6 records.
Content ground one by one records management information areas 501 and data area 502 respectively with the management information of expression content with as the data of the virtual condition of content.For example, the first leading address of document number 503, the data of the title of expression content and record size 504, Copy Info 508, mobile number of times 509, key 506 etc. are recorded in the management information.From the address suitable content is write in the data area with the first leading address 504 that is recorded in management information areas 501.One by one again log file number 1 during recorded content, document number 2 ..., document number n and management information and content.
To be that aforementioned control signal test section 2 is detected duplicate control information from generation to generation to Copy Info 508, for example, can consider the signal with 2 bits, appointment
00=reproducible (Copy Free)
10=only allows to duplicate for 1 generation (Copy One Generation)
11=forbids duplicating (Copy Never).In digital information recording transcriber 100, the content for having write down " Copy One Generation " also can be defined as not reproducible more (Copy NoMore) with having duplicated a person by 01=Copy One Generation.
About these, can be with reference to by ARIB-B21 (civic organization's electric wave industry meeting: the utilization specification of Association of Radio Industries and Business data broadcast system) Ding Yi specification.
Mobile number of times 509, for example hold expression for can be with same or different form with the content of (Copy One Generation) as (Copy No More) and the permission number of copy times that the content that writes down moves, for example the input expression allow 3 times the meaning 2.
2. the explanation of encrypt/decrypt control section
Fig. 3 encrypts an embodiment of the formation of control section 13 for expression.By a plurality of form 201,202,203 for key information, use as the intrinsic information that for example is built in aforementioned recording medium 6 of the kind when computation key and the random number of calculating by randomizer.204 is input terminal, and input is as the result of the mobile number of times information updating part of remaining on of one of key information.Key 506 in the information of more than one of aforementioned key information 201-204 and the management information areas 501 is suitable.The 205th, the key generating portion generates key by aforementioned key information.The 206th, input terminal, the above-mentioned switching part 3 suitable with the signal of not deciphering directly is connected.207 is encryption equipment, and 208 is lead-out terminal, and the signal after being encrypted by aforementioned encryption equipment 207 is provided for aforementioned record controls part 4.
Fig. 4 is an embodiment of the formation of expression deciphering control section 14.With aforementioned encryption control section 13 similarly, aforementioned key information 201,202,203 and be supplied to aforementioned key generating portion 205 from the key information of aforementioned input terminal 204 generates decoding key.209 is input terminal, the signal that provides the encrypted content that will be recorded in aforementioned recording medium 6 to reproduce by aforementioned reproducing control section 7.210 is demoder, and 211 is lead-out terminal, generates by aforementioned demoder 210 decoded signals.
Fig. 5 is the figure of the formation of the aforementioned key generating portion 205 of expression.Among the figure 201,202,203,204 is key information, and 212,214 is that register, 213 is Hash hash function arithmetical unit.Aforementioned register 212 is kept in key information and is imported to Hash hash function arithmetical unit 213.To remain on register 214 by the output that Hash hash function arithmetical unit 213 calculates, as encryption key or decoding key.At this example, 168 bits that connect the key information 4 of the key information 3 of key information 2,16 bits of key information 1,8 bits of 128 bits and 16 bits are supplied to Hash hash function arithmetical unit 212 as key information.This 168 bit is carried out hash operations and for example 128 bits in the result of calculation are extracted out and at aforementioned Hash hash function arithmetical unit 212 as key.The Hash hash function is the function that is difficult to analogize from this output result input function, can not try to achieve key information as secret information from data key.In the present invention, for quantity and the method for attachment and the bit width of aforementioned key, there is no particular limitation.
In aforesaid formation, carrying out when mobile at every turn, owing to change as " number of copy times " of a key information, this moment, computation key upgraded the key information 506 of management information areas 501.
Because key is different for same content, so if only changing under the situation of " number of copy times ", the content that has been recorded can not be deciphered, thereby the more mobile number of times of limiting content can be realized the copyright protection of height.
In addition, by in that aforementioned 201,202,203,204 some carrying out changed when mobile, can stipulate the restriction of moving equally.
3. action specification
Next, duplicate from generation to generation that control signal is " Copy One Generation " during for the content of log file number 1, and in mobile number of times 509, allow 3 mobile actions to describe.
At first, when record, on aforementioned control section 10, the records management information 501 of the address of the record object of setting content etc. by aforementioned record controls part 4, records on the aforementioned recording medium 6.Next, from input terminal 1 input MPEG2-TS, 2 detect the control information from generation to generation of duplicating that is attached in the specific packet in the control information test section, and " 10 " of testing result are notified to aforementioned control section 10 via control bus 22.Because the replication management information that aforementioned control section 10 receives is " Copy One Generation ", so, forbid further duplicating " Copy No More ", be accommodated in the Copy Info 508 of aforementioned content.
In addition, when writing down aforementioned content, number of copy times can be 3 times, will subtract 1 " 2 " from 3 and be set to key information 214 and generate key, with the key information that used record as the key information 1 of management information areas 501 and in addition.Then, till the end of text in record, 502 continue scrambled records in the data area, finish the record of regulation, perhaps make from remote interface control section 23 input users stop requirement the time size carry out record with the address.Though aforementioned content is " Copy No More " in replication management information, so can move 2 times.
Next, the reproduction of content (moving) for document number 1 describes.Figure 14 is that the lead-out terminal 12 with digital information recording transcriber 100 is connected with demoder and monitor etc., and the user operates examples of implementation of the operation screen of usefulness.
(a) is the figure of the guide look of expression recorded content among the figure, (b) be the figure of expression affirmation from the picture of the mobile number of times of (a) migration, (c) for representing to move and select the figure of the picture of mobile object from (b), (d) be that expression finishes to move, deduct can mobile number of times picture example, (e) be further expression from (d) migration, carry out the mobile number of times of being permitted, from the example of title block deletion content.The 401st, write down title, the 402 expression record dates of content, the logging mode of the Bit Transmission Rate of 403 expressions during displayed record, 404 expressions can mobile number of times, and 405 are expressed as the menu of selecting mobile object.
At first, aforementioned control section 10 detects expression when having selected user's the signal of " reproduction " or " moving " from remote interface control section 23, read the management information areas 501 that is recorded in the recording medium 6, show (a) picture among the figure that represents the recorded content guide look.When the control section among Fig. 2 10 detects demonstration when having selected the signal of title " AAAAA " by the user, read information with the corresponding document number 1 of content of " AAAAA ", at this constantly, move to (b) picture among the figure, show transportable number of times to the user, impel the affirmation of moving, wait for input.
Thus, the user can discern transportable number of times, can recognize last number of times and execution.
When detecting user's permission, (c) picture of moving among the figure determines mobile object.At this, (b) picture among the figure also can be identical picture with (c) picture.
The user selects mobile object, reads key information 506 from the management information of Fig. 2.Next, set the value read for each key information of the deciphering control section 14 among Fig. 1 and generate decoding key.And then, set the decoding key that is generated at deciphering control section 14.
In addition, mobile number of times information updating part 11 is with reference to the mobile number of times 509 in the management information, keeps subtracting value " 1 " after " 1 " from original value " 2 ".In addition, the management information areas 501 of aforementioned control section 10 in Fig. 2 makes the document number n with size of data identical with document number 1 again, be maintained at aforementioned mobile number of times more the value of new portion 11 be rewritten as aforementioned mobile number of times 509.Simultaneously, the management information of document number 1 is supplied to from reproducing control section 7 can not chemical control system part 8, after having carried out original data for example all are rewritten as the computing of " 1 " etc., keeps the result.
Aforementioned can not chemical control system part 8 management information of calculating, even as just key information 506,, can obtain same effect, and the advantage of required control time minimum so have owing to do not generate original key.
In addition, switching part 3 switched to signal from reproducing control section 7 after, will specify the content of big fraction to draw and begin to move from the first leading address that is recorded in address 1 and handle.At this moment, reproducing control section 7 is " CopyOne Generation " with the replication management information-change of mobile contents of object.
The content of having reproduced is after decrypted on the deciphering control section 14, with simultaneously from lead-out terminal 12 outputs, by aforementioned switching part 3, aforementioned encryption control section 13, aforementioned record controls part 4, aforementioned memory 9, the content of replication management information conduct " Copy No More " is from the ground of the sequence of addresses ahead record of the address n of designated document number n.The number of copy times of one of key information at this moment becomes " 1 ".In aforementioned memory 9, aforementioned record controls part 4 is carried out timesharing control with aforementioned recording medium 6 to aforementioned reproducing control section 7 with each content caching, writes down continuously and reproduces.When reproduction of specifying size and end of record (EOR), the result of calculation that remains on the document number 1 on can not chemical control system part 8 by record controls part 4, is write the management information areas of document number 1.
Then, be rewritten as 1 by the document number with the management information of document number n, the content that number of copy times has been subtracted 1 document number 1 is present in the aforementioned recording medium 6.The operation screen of Figure 14 (d) when becoming mobile end, and number of copy times is changed to the formation of " 1 ".
In addition, when number of copy times " 1 " mobile, do not generate in management information areas 501 and to duplicate, irreproducible management information is rewritten on can not chemical control system part 8 management information of document number 1 during mobile end.Thus, shown in (e) picture like that, the content of title " AAAAA " is deleted.
By aforementioned formation; can realize duplicating control signal record " Copy OneGeneration " content from generation to generation; the record reproducing device that carries out the restriction of mobile number of times for the content that becomes " Copy No More " is so for the copyright owner of content, can protect literary property.In addition, within predetermined number of times, can move same content for other recording medium for the user, even owing in record reproducing device, also have content moving the back, so can improve can audiovisual convenience.In addition, owing to do not prepare a plurality of identical contents, so the capacity of service recorder medium 6 effectively.
4. record the application examples of register
Next, use Fig. 6, illustrate that the digital information recording transcriber 100 with embodiment 1 is applied to an embodiment of digital broadcast register 1000.For the content of identical function, use same symbol, omit explanation.
The 301st, input terminal is for example imported the electric wave from the relay station of broadcasting satellite etc.The 302nd, tuning part, the frequency transformation of the electric wave of RF frequency band here is to IF frequency band (Intermediate Frequency), and the signal as the certain frequency band that does not exist with ... receiving channels outputs to demodulation part 303.Demodulation part 303 is for being carried out demodulation for transmission by the modulation operations of carrying out from the bit stream of tuning part 302 inputs.In error correcting section 304, detect the mistake of the coding that in transmitting the way, takes place, carry out error correction again after, export to filtration fraction 304.Filtration fraction 305 is after removing the transmission password for the MPEG2-TS from recording medium 304 inputs, selection is to 1 forwarder frequency of multipleization of program that write down in recording medium 6, the bit stream in this 1 forwarder of having selected is separated into the packets of information of the Voice ﹠ Video of 1 program.306 is the time stamp extention, even the inter packet in the time of will collecting mail on time adjustment member 307 described later is every also keeping when reproducing, so detect STC (System TimeClock) in the packets of information that receives as the base decoder inside of the PTS (Presentation TimeStamp) of management information constantly and mpeg system, at additional time stamp of the time of revising by aforementioned testing result, the MPEG2-TS that has added time stamp is supplied to the input terminal 1 of numerical information transcriber 100, carries out scrambled record in recording medium 6.
When reproducing, receive the TS packets of information of having deciphered from the lead-out terminal 12 of digital information recording transcriber 100, in time adjustment member 307,, reproduce this storage unit of output when being that as the PTS of the moment management information of reproducing output STC is consistent with reference to the time stamp that has added.The output of aforementioned time adjustment member 307 is supplied to AV demoder 308, with the Voice ﹠ Video data decode of input, respectively voice data is exported to digital encoder 309, and video data is exported to video DAC311 on AV demoder 308.Digital encoder 309 will be transformed to television output signal from the video data that AV demoder 308 receives, and output to the outside by lead-out terminal 310.Audio frequency DAC311 will be transformed to simulating signal from the voice data that AV demoder 308 receives, and output to the outside by lead-out terminal 312.In addition, lead-out terminal 12 is in order to move content to second register or recording medium, on the second control signal test section 313, detect replication management information and also " CopyOne Generation " is transformed to " Copy No More ", to be supplied to digital interface control section 315 with second content of encrypting control section 314 encryptions, for second register or the recording medium that are connected with lead-out terminal 316, carry out moving of content.
In this formation, shown in the explanation of embodiment 1 like that, can have digital broadcast content record with " Copy One Generation " to first recording medium with register 1000, hard disk for example, after recording hard disk, be used as the content of " Copy No More " and treat, to movably second register or recording medium, for example DVHS or CD and storage card etc. carry out the function that moves of limited number of times.So, can protect literary property for the copyright owner of content.In addition, for the user, within predetermined number of times for other recording medium can mobile phase with content, even also be present in the record reproducing device moving the back content, thus can audiovisual, ease of use improves.In addition, owing to do not prepare a plurality of same contents, so can use hard-disk capacity effectively.
As substituting of aforementioned digital interface control section 315, second record controls part is set also can similarly carries out moving of limited number of times for other recording medium.In addition, owing on mobile object, encrypt, literary property is protected.
5. make the formation of duplicating, moving and deleting in advance
Next, use Fig. 7,, describe at an embodiment who carries out deleting when mobile the content of mobile usefulness for the content that generates mobile usefulness when the recorded content in advance.For identical functions, adopt identical symbol, omit explanation.
15 and 16 is scrambler among the figure, and for the content of input, the recording capacity of the second and the 3rd the recording medium that is connected with some in the lead-out terminal 12,18,19 matches, and encodes with compressibility.
Compressibility for example high meticulous (HighDefinition is to call HD in the following text) mode of the high definition broadcast from digital broadcast etc. is carried out down conversion to standard meticulous (Standard Definition is to call SD in the following text), to obtain best recording capacity.As coded system, be not limited only to this, also can be used as the MPEG4 or the scrambler of mode H.264, be transformed to the bit rate that matches with recording medium.Aforementioned first, second scrambler 15,16 will divide 2 signal compression from the control signal detecting part, export to switching part 3.Control section 10 timesharing ground switches aforementioned switching part 3, with the output of aforementioned control signal test section 2 and aforementioned scrambler 15,16 via encrypting control section 13, be supplied to record controls part 4, momentarily temporary on one side by record controls part 4 to storer 9, on one side will be temporarily stored in 9 li of aforementioned memory information flow record in the recording medium 6.
According to such formation, for identical formation, the content during reception and can record on the recording medium 6 by the second content of first encoder compresses with by the 3rd content of second encoder compresses.
Fig. 8 is the management information areas 501 of expression recording medium 6 and an embodiment of data area 502.In management information areas 501,, generate 3 different files of bit rate, document number 0_1, document number 0_2, document number 0_3 for same content.Number of copy times is set " 1 " owing to only allow 1 time respectively.Bit rate according to this management information, for example will block and use content, the CD content, IEEE1394 shows to the user with content, possess card is arrived lead-out terminal 18 with content allocation, the interface that writes down to card, possess and give lead-out terminal 19 with content allocation CD, the for example ATAPI interface that writes down to CD, possess IEEE1394 is arrived lead-out terminal 12 and AV demoder 308 with content allocation, carry out IEEE1394 interface to the record of D-VHS register etc., make its selection by showing to the user, thereby have when mobile, do not need to carry out the function of trickle setting.
In addition, on the contrary by the user can with scrambler 15 and or the bit rate of scrambler 16 set arbitrarily, on the recording medium that is connected to lead-out terminal 12,18,19, can generate the content of suitable more bit rate, can obtain the optimization of the capacity and the mobile execution speed of recording medium 6.
In addition, by scrambler 15 is set at identical ratio of compression with scrambler 16, can generate the content of 2 identical compressibilitys.
In addition, delete aforementioned scrambler 15,16, promptly use aforementioned switching part 3 to switch respectively, also can generate the content of 3 identical compressibilitys.
6. action specification
Next, for the action of the content of moving recording on recording medium 6,1_2 describes as object with document number.
When implementing this content mobile, aforementioned control section 10 is read management information areas 501 from recording medium 6.Figure 15 is connected to demoder and monitor etc. on the generation terminal 12 of digital information recording transcriber 100, is used for an embodiment of the operation screen of user's operation.
(a) is the figure of the guide look of expression recorded content among the figure, (b) be the figure of expression from the picture of (a) migration, the transportable file of affirmation, (c) be the figure of expression from the picture of (b) migration, the mobile object of selection, (d) for representing further to have moved, deleted the figure of the picture of the logging mode that is moved from (c), (e) carried out after the moving of the number of times that allowed for expression, content is from the deleted picture of title.
The user carries out " moving ", and at first aforementioned control section 10 will be recorded in the management information areas 501 of recording medium 6 and read, and shows (a) picture.The user selects to be equivalent to the title " BBBBB " of document number 1, then moves to (b) picture, shows the file of transportable bit rate.
Next, select the file " LP pattern " of mobile object, then move to (c) picture, for example mobile object decision is " storage card ".If carry out to the transfer of moving, mobile number of times information updating part 11 changes to " 1 " and maintenance with reference to the mobile number of times 509 in the management information areas 501.In addition, aforementioned control section 10 is supplied to the management information of document number 1_2 from reproducing control section 7 can not chemical control system part 8, carry out for example address 504 all being rewritten as the computing of " 1 " etc., after further the value of mobile number of times 509 being replaced into the value of mobile number of times information updating part, keep the result.
Set when finishing and rise, begin to move, begin to specify reading of big or small content from the first leading address that is recorded in address 5.At this moment, reproducing control section 7 is " Copy One Generation " with the replication management information-change of mobile content.
Reproduce the back content from lead-out terminal 12 deciphering and output.When the reproduction of the size of appointment finishes, will remain on document number 1_2 result of calculation on can not chemical control system part 8 by record controls part 4, write the management information areas of document number 1_2.
Its result is " LP pattern " (d) picture after deleted.Move under the situation of " SP pattern ", become (e) picture, the title " BBBBB " that is equivalent to document number 1 is deleted.
In aforementioned formation; duplicate control signal record " Copy One Generation " content from generation to generation; owing to can realize having limited the record reproducing device of the mobile number of times of the different identical content of the bit rate that becomes " Copy No More " content; for the copyright owner, can protect literary property.In addition, for the user, can be to other recording medium within predetermined number of times, carry out the moving of identical content of suitable bit rate, even owing to also be present in the record reproducing device moving the back content, so can carry out audiovisual.Because the content that moves has been generated when record, move the required time in addition, improve the convenience that uses so can shorten.
7. the application examples of register
Fig. 9 is the block diagram that expression is applied to the digital information recording transcriber of embodiment 3 embodiment of digital broadcast register.
Employing connects the CD as second recording medium on record controls part 319, on record controls part 323, connect storage card, on the lead-out terminal 316 of digital interface control section 315, connect formation as the D-VHS register with IEEE1394 interface of the 4th recording medium as the 3rd recording medium.
According to this formation, for each recording medium, can respectively carry out once moving, and, also same content can be moved 2 times to identical recording medium by switching by the content of reproducing control section to lead-out terminal 12,18,19 outputs.
In addition, duplicate generational management information on reproducing control section, from " Copy NoMore " conduct " Copy One Generation ", from lead-out terminal 12,18,19 outputs.In the control signal test section 313,317,321, detect and duplicate control signal from generation to generation, from " Copy One Generation " be altered to " Copy No More " with content record on each recording medium.At this, that digital information recording transcriber 100 is integrated with other inscape.For example under the situation that adopts LSI (Large Scale Integrated Circuit), also can omit control signal test section 313,317,321 and will duplicate control signal from generation to generation and move with the state of " Copy No More ".Formation by early stage can reach the simplification in loop, can reduce the cost of LSI.
By making the digital broadcast register by as above constituting like that; owing to can realize duplicating control signal record " Copy One Generation " content from generation to generation; restriction becomes the record reproducing device of the mobile number of times of the different identical content of the bit rate of " Copy NoMore "; for the copyright owner, can protect literary property.In addition, for the user, can be to other registers and recording medium within predetermined number of times, carry out the moving of identical content of suitable bit rate, even owing to also be present in the above-mentioned digital broadcast register moving the back content, so can carry out audiovisual.Because the content that moves has been generated when record, move the required time in addition, improve the convenience that uses so can shorten.
Though in embodiment 3 and 4, put down in writing for the different example of identical content bit rate, be not limited thereto, much less also can be the different example of form.
8. mobile right number is counted down.Duplicate mobile the making simultaneously, but the user only can see remaining right number of times.
Next, use Figure 10 and Figure 14, for generating the content that moves in advance, move and use content carrying out when mobile once more again record, only notify an embodiment of the transportable number of times of user to describe.
Figure 16 is connected to demoder and monitor etc. on the generation terminal 12 of digital information recording transcriber 100, for an embodiment of the operation screen of user operation.(a) is the figure of the guide look of expression recorded content among the figure, (b) move from (a) for expression, confirm the figure of the picture of transportable file, (c) move from (b) for expression, select the figure of the picture of mobile object, (d) move from (c), deleted the figure of the picture of the logging mode that is moved for expression, (e) carried out after the moving of the number of times that allows for expression, content is from the deleted picture of title.
The signal that is switched by the switching part among Figure 10 3 adopts the formation of switching from 4 information flows of control signal test section 2, scrambler 15, scrambler 16 and deciphering control section 14.
The output of aforementioned switching part 3 is sequentially carried out the encryption of content at encryption control section 13, keeps in to storer 9 on one side by record controls part 4, Yi Bian record recording medium 6.As key at this moment,, can protect the literary property of content for any of common value and different value for identical content.
In addition,, it is changed, can also play the effect that increases protection for the content protecting of the integral body of system by move at every turn with the use of the value of mobile number of times information updating part 11 as key information.When recorded content, by scrambler 15 and scrambler 16, generate different bit rate content, to generate on 3 document number this point with embodiment 3 be identical.At this, carrying out when mobile, switching part 3 is set at output from deciphering control section 7, the content of mobile object is carried out the scrambled record this point and is being different on the identical this point at the mobile number of times 509 that writes down on the management information areas 501 and Copy Info 508 between the different identical content of speed to recording medium 6 once more.
In this mode, according to showing that to the user (b) picture is such, demonstration can mobile number of times and the speed of mobile content, impels decision.Mobile end becomes (c) picture, reduces transportable number of times.
Next, though under situation about moving, become (d) picture, mobile number of times is reduced to once, because the content of separately bit rate is present in the recording medium 6, so can select some in " SP pattern " and " LP pattern ".
When moving the permission number of times and be " 0 ",, become (e) picture and delete from title by can not chemical control system part 8 not being reproduced by all management information.
Figure 11 is that expression is recorded in the management information areas 501 on the recording medium 6 and the figure of data area 502.In this example, make Copy Info 508 identical on plereme with mobile number of times 509.When reproducing, reproduce the content of the selected bit rate of user, when each mobile end, reduces common mobile number of times 509, when mobile number of times 509 is " 0 ", delete from management information areas 501.
By aforementioned formation; owing to can realize duplicating control signal record " Copy OneGeneration " content from generation to generation; restriction for the copyright owner, can be protected literary property as the record reproducing device of the mobile number of times of the different identical content of the bit rate of " Copy No More ".In addition,, because can be, carry out the moving of identical content of identical or different bit rate, even also be present in the record reproducing device moving the back content, so can carry out audiovisual to other recording medium within predetermined number of times for the user.In addition, because the content that moves is generated when record, move the required time so can shorten.In addition, because the content that will move bit rate once record again once more, so, can be in the number of times of appointment, the content of identical bits speed is moved repeatedly.In addition, can at random set the bit rate of scrambler 15 and scrambler 16, preestablish capacity, thereby improve the convenience that uses for the second and the 3rd recording medium the best by the user.
9. the application examples of register
Figure 12 is for being applied to the digital information recording transcriber of embodiment 5 embodiment on the digital broadcast register.Show the content of using, moving usefulness to second recording medium to display from lead-out terminal 12 outputs.To the content of lead-out terminal 18 output transforms for the bit rate that moves to the 3rd recording medium.In addition, to the content of lead-out terminal 19 output transforms for the bit rate that moves to the 4th recording medium.The content that moves, by switching part 20 and switching part 3, once more to recording medium 6 records, only mobile number of times information is reduced.So, even for example from lead-out terminal 12 with conversion the content of bit rate move, number of copy times information is not " 0 ", later on the content of mobile phase same rate once more.
Digital broadcast register by aforementioned formation; owing to can realize duplicating control signal record " Copy One Generation " content from generation to generation; restriction is as the record reproducing device of the mobile number of times of the different identical content of the bit rate of " Copy No More "; for the copyright owner, can protect literary property.In addition,, because can be, carry out the moving of identical content of identical or different bit rate, even also be present in the record reproducing device moving the back content, so can carry out audiovisual to other recording medium within predetermined number of times for the user.In addition, because the content that moves is generated when record, move the required time so can shorten.In addition, because the content that will move bit rate once record again once more, so, can be in the number of times of appointment, with the content record of identical bits speed repeatedly.In addition, can at random set the bit rate of scrambler 15 and scrambler 16, preestablish capacity, thereby improve the convenience that uses for the second and the 3rd recording medium the best by the user.
In addition, because to second and third, during four recording mediums, also additionally be suitable for the encryption control section 314,319,323 of form separately, encrypt, so even in mobile object, also can realize copyright protection.
10. implement down conversion between at one's leisure
Next, use Figure 13, illustrate when not carrying out record-playback action idle, the content that has write down is carried out down conversion, generate and move the embodiment that uses content.
Employing is reset at the input of scrambler 15 with switching part 21, the formation of the output of input control signal test section 2 and deciphering control section 14.Usually, switching part 21 is selected control detection part 2, compresses processing with the bit rate of user's appointment.On the switching part 3 side of the output of aforementioned scrambler 15 and control signal test section 2 is being recorded on the recording medium 6.At this, control section 10 starts at the time of not setting regularly video recording or the time band set by the user (for example the late into the night etc.), reproduction is recorded in the content of recording medium 6, and switching part 21 is switched to deciphering control section 14, the qualification number of identical content of bit rate that generated conversion.When carrying out the reproduction that the bit conversion uses, append new document number 503 in management information areas 501, generate the mobile file of using of licensed number of copy times.When not generating the number of times that allows file copy, manage, thereby when execution is mobile, automatically reduces the generation number of the file of mobile usefulness, thereby be no more than the permission number of times.
By such formation; owing to can realize duplicating control signal record " Copy OneGeneration " content from generation to generation; restriction for the copyright owner, can be protected literary property as the record reproducing device of the mobile number of times of the different identical content of the bit rate of " Copy No More ".In addition, for the user, can be to other recording medium within predetermined number of times, carry out the moving of identical content of identical or different bit rate, even owing to also be present in the record reproducing device moving the back content, so can carry out audiovisual.Owing to the obsolete time period generate the content that moves, move the required time in addition so can shorten the user.In addition, because the content that will move bit rate once record again once more, so, as long as in the number of times of appointment, just can be repeatedly with the content record of identical bits speed.Improve the convenience that uses.
In addition, be one by making scrambler 15, can reduce the cost of LSI or record reproducing device,
In addition, though in this embodiment, put down in writing free time and carried out the situation of down conversion, be not limited thereto, also can not carry out down conversion and generate the content of mobile usefulness.The user who moves for wanting not reduce quality can improve the convenience of use.
Embodiment 7
11. reproduce the example of register that record is recorded in the content of DVD etc.
Figure 17 is on the digital information recording transcriber of embodiment 4, reproduces to be recorded to as the content on for example CD of second recording medium 320, and it is recorded in a example on first recording medium 6.
Duplicating from generation to generation, control signal records on the content that is recorded in advance as the fabricator that " Copy One Generation " is recorded medium 320.
By this formation,, can improve the convenience of the use of register 1000 even, can specify mobile number of times only being recorded in in reproducing as the content on the CD of object etc.
Figure 18 is on the digital information recording transcriber of embodiment 5, reproduces and is recorded in a embodiment on first recording medium 6 being recorded in as the content on for example CD of second recording medium 320.
On this formation, also can be for the content that is recorded on the recording medium 320, the number of times that regulation moves, thereby the ease of use of raising register 1000.
At this, the mode that also can adopt the content of the input terminal 1 that will be input to Figure 17 and register 100 shown in Figure 180 to switch from the both sides of digital broadcast and recording medium 320.
In addition, the recording medium that makes reproduction also can obtain same effect for selecting recording medium 324 and recording medium 320 such.
12. the example that concerns between digital broadcast utilization and the register
Next, use Figure 19, Figure 20, describe for the above-mentioned integral body of the digital broadcast television Play System of the foregoing description that is applicable to.
Figure 19 is the block diagram that expression is used for the embodiment of entire system of the present invention, is illustrated in the broadcast, and sent-received message is perhaps represented as an example with the situation of record-playback.Digital information recording transcriber of the present invention is comprised among this figure.601 for the information of playing platform etc. provides the station, and 602 be relay station, and 1000 is the register that comprises the digital information recording transcriber, and 604 is display, and 605 is second record reproducing device.In addition, when this writes down play waiting, can be recorded on first recording medium 6 that is contained in the digital recording transcriber, second record reproducing device 605 some, perhaps on both.
Playing information such as platform provides station 601 for example by playing the relay station 602 with satellite etc., transmits by the signal wave after the information modulation.Certainly, also can use for example transmitting in addition, transmit, transmit by earthwave etc. by telephone wire by cable.The sort signal electric wave that receives at the register 1000 of receiver side is by demodulation, and after becoming information signal, becomes as required to be suitable for carrying out record behind the signal of first recording medium 6 or second record reproducing device, 605 records.In addition, to display 604 transmission.At this, the user is the audio-visual information content directly.
In addition, the information of reproducing on above-mentioned first recording medium 6 and second record reproducing device 605 is delivered to display 604 by register 1000, the information of can audiovisual original video/audio etc.When the detachable recording medium that has write down information in advance is provided, for example reproducing movement of second record reproducing device 605 after this recording medium has been installed.In addition, undertaken by digital signal, for example connect with simulating signal between register 1000 and the display 604 sometimes though the message pick-up between device is many.
Figure 20 is in the expression implementation system, and the information of broadcast platform etc. provides the block diagram of the configuration example at station 601.701 are that part takes place in the source, and 702 for the encoding loop, 703 compressed with MPEG mode etc. is the scramble loop, and 704 is modulator loop, and 705 is transmitting antenna, and 706 pay the loop for management information, and 707 is input terminal.The information of the video/audio that produces in the source generation part of being made up of camera, record reproducing device 701 etc. can transmit with fewer frequency domain that occupies, and carries out the compression of data volume by encoding loop 702.As required on scramble loop 703, specific look the hearer and can audiovisual transmit encryption like that according to only making.According to after becoming the signal that is suitable for transmitting and like that signal being modulated with modulator loop 704, from the antenna 705 of delivering letters, play the relay station 602 of satellite etc. to for example radio and television, launch as electric wave.At this moment, pay in the loop 706 control information of beginning aforementioned copy, the information of additional present moment etc. in management information.In addition, omitted among Figure 19 formerly from input terminal 707 and imported for example solicited message by telephone wire etc.This can be used for looking according to video request etc. the system of the information that hearer's request decision sends.In addition, the methods with timesharing, frequency spectrum diffusion etc. more than in fact on an electric wave make a plurality of multipleization of information.
Though in order to simplify, be not recorded in Figure 20, in this case, the system of source generation part 701 and encoding loop 702 has a plurality of, between encoding loop 702 and scramble loop 703, the multipath transmission loop that a plurality of information are multiplexed is set.Pay in the loop 706 in aforementioned management information; digital broadcast network operator is for content; by specifying mobile number of times; can on digital information recording transcriber 1000, limit the number of times that moves; the literary property of protection content; and the user can be used in the digital displaying system that has moved, improved the convenience that uses that carries out repeatedly same content in the number of times that digital broadcast platform side sets.
Though in Figure 19,20, send information via relay station, be not limited thereto by transmitting antenna.For example also can provide the station to be server, and constitute like that via the internet to the digital information recording transcriber from server according to information.
In addition, can certainly be an embodiment of present patent application with the above embodiments combination.
Claims (21)
1. a digital information recording method is characterized in that,
Receive the copy control information of first numerical information and described first numerical information,
The information that described copy control information writes down to recording medium for the described numerical information of control,
Only allow under the situation of a record generation for expression at the copy control information that receives, described first numerical information of record is carried out record as the first digital recording information and the second digital recording information as a plurality of numerical informations on first recording medium,
The described first digital recording information is different-format or different bit rate with the described second digital recording information,
When second recording medium is duplicated, at least a portion that is recorded in the first or second digital recording information on described first recording medium can not be reproduced in the first or second digital recording information on described first recording medium of will being recorded in.
2. digital information recording method according to claim 1 is characterized in that,
As the moment that the described first digital recording information and the second digital recording information write down a plurality of described numerical informations, it is the moment that has received described first numerical information.
3. a digital information recording method is characterized in that,
Receive the copy control information of numerical information and described numerical information,
The information that described copy control information writes down to recording medium for the described numerical information of control,
With described digital information recording on first recording medium,
With the described numerical information that is recorded when second recording medium is duplicated, described numerical information is rewritten as the numerical information that makes again that has identical content with described numerical information, record on described first recording medium,
With digital information recording during to described first recording medium, the numerical information behind the recording of encrypted,
When recording the described numerical information that makes again on described first recording medium again, the different key of used key when using with described encryption after the described numerical information that makes again encrypted, carries out record.
4. digital information recording method according to claim 3 is characterized in that, with digital information recording during to described first recording medium, will duplicate and allow number of times to be used for key.
5. digital information recording transcriber, reception comprises the numerical information and the conduct of image information and/or acoustic information and controls the copy control information of described numerical information to the information of recording medium, with described digital information recording to described medium and reproduce, it is characterized in that possessing
With described numerical information carry out predetermined process go forward side by side line item the record loop,
With described numerical information carry out predetermined process go forward side by side line output the reproduction loop and
Control the control loop in described record loop and described reproduction loop,
Described control loop controlling recording loop is so that represent only to allow under the situation of a record generation a plurality of described numerical informations to be recorded on first recording medium with different forms or different bit rate at described copy control information.
6. digital information recording transcriber according to claim 5 is characterized in that,
Described control loop is controlled, so that being recorded in numerical information on described first recording medium when second recording medium is duplicated, at least a portion that is recorded in the numerical information on described first recording medium can not be reproduced.
7. digital information recording transcriber, reception comprises the numerical information and the conduct of image information and/or acoustic information and controls the copy control information of described numerical information to the information of recording medium, with described digital information recording to described medium and reproduce, it is characterized in that possessing
Described numerical information carried out predetermined process and records record loop on first recording medium,
Described numerical information carried out predetermined process and from the reproduction loop of first recording medium output,
Control the control loop in described record loop and described reproduction loop,
The numerical information that receives is encrypted, to the encryption loop of described record loop output, and
From described reproduction loop output, with the deciphering loop of the deciphering of the numerical information after encrypted,
Described control loop is controlled, so that with the described numerical information of first recording medium that is recorded in when second recording medium is duplicated, described numerical information is rewritten as the numerical information that makes again that has identical content with described numerical information, records on described first recording medium
Described control loop is controlled, so that when described second recording medium is duplicated, to export to described second recording medium by the numerical information after the deciphering of deciphering loop, simultaneously also to the output of described encryption loop, encrypt the numerical information that this is output with the key different with the key of received described numerical information in described encryption loop.
8. digital information recording transcriber according to claim 7 is characterized in that,
With digital information recording during, will duplicate and allow number of times to be used for key to described first recording medium.
9. a digital information recording method is characterized in that,
Receive the copy control information of numerical information and described numerical information,
The information that described copy control information writes down to recording medium for the described numerical information of control,
Represent only to allow under the situation of a record generation permission number of copy times of described numerical information with numerical information to be recorded on first recording medium at the described copy control information that receives,
Make the described numerical information that is recorded when second recording medium moves, described numerical information is rewritten as the numerical information that makes again that has identical content with described numerical information, permission number of copy times after this numerical information that makes again and the renewal is recorded on described first recording medium, with the described numerical information that is recorded or the described numerical information that makes again when second recording medium moves, at least a portion of described numerical information that is recorded or the described numerical information that makes again can not be reproduced.
10. digital information recording method according to claim 9 is characterized in that, the permission number of copy times that is recorded on described first recording medium is exported to display device.
11. a digital information recording transcriber, the numerical information that is used for comprising image information or acoustic information writes down on recording medium and reproduces, it is characterized in that,
In described numerical information, comprise expression and whether allow the copy control information of this digital information recording on the recording medium,
Possess:
With described numerical information carry out predetermined process go forward side by side line item the record loop,
With described numerical information carry out predetermined process go forward side by side line output the reproduction loop,
From described numerical information detect described copy control information the control detection loop,
Make at least a portion that is recorded to the described numerical information on the described recording medium irreproducible can not the reproduction loop,
To expression to number of copy times information updating loop that the number of copy times information of the predetermined permission number of copy times of the recording medium of described numerical information is upgraded and
According to by the detected testing result in described detection loop, control the record-playback control loop of the operation of recording in the reproducing movement in described reproduction loop and described record loop,
Described record-playback control loop is controlled described record loop,
Represent only to allow under the situation of a record generation at described copy control information, with described numerical information, the changed digital information and the described number of copy times information that described numerical information are transformed to the pre-determined bit speed of predetermined quantity record on the described recording medium,
And then described record-playback control loop is according to by the detected copy control information in described control detection loop,
Control described can not the reproduction loop can not the reproduction action and the more new element in described number of copy times information updating loop,
The described copy control information of described numerical information of reproducing from described recording medium or described changed digital information represent not allow to carry out again record and with described numerical information or described changed digital information under the situation that described other recording mediums that possess the pen recorder that is connected on this transcriber move
Upgrade the loop by described number of copy times, after reducing the permission number of times, upgrade described number of copy times information, described numerical information is rewritten as the numerical information that makes again that has identical content with described numerical information by described record loop, record this numerical information that makes again or described changed digital information and described copy control information and described number of copy times information on the recording medium once more, simultaneously, by described numerical information or described changed digital information after the reproduction can not be reproduced again.
12. digital information recording transcriber according to claim 11 is characterized in that,
The bit rate that described other recording medium that described record-playback control loop is transformed to that described pen recorder possesses can write down.
13. digital information recording transcriber according to claim 12 is characterized in that,
Described pen recorder can be installed described other the recording medium that possesses one or more different-format.
14. digital information recording transcriber according to claim 11 is characterized in that,
Described record loop records on the described recording medium after with described numerical information or described changed digital information encryption,
Described reproduction loop will be exported after described numerical information after the encryption of described recording medium reproduction or described changed digital decrypts information.
15. digital information recording transcriber according to claim 14 is characterized in that,
Described record loop and described reproduction loop with described number of copy times information as a kind of key.
16. digital information recording transcriber according to claim 13 is characterized in that,
Described record-playback control loop can be in advance for the user selects one or more described other recording mediums as the mobile object of described numerical information, and selecteed described other recording mediums are transformed to the bit rate that can write down.
17. digital information recording transcriber according to claim 13 is characterized in that,
To each described numerical information, the transportable object that is recorded in the described numerical information on the described recording medium is shown to the user, make as described other the recording medium of mobile object available.
18. digital information recording transcriber according to claim 13 is characterized in that,
Can mobile number of times as what be recorded in described numerical information on the described recording medium, to each described numerical information, described number of copy times information is shown to the user.
19. a digital information recording transcriber, the numerical information that is used for comprising image information or acoustic information writes down on recording medium and reproduces, it is characterized in that,
In described numerical information, comprise expression and whether allow the copy control information of this digital information recording on the recording medium,
Possess:
With described numerical information carry out predetermined process go forward side by side line item the record loop,
With described numerical information carry out predetermined process go forward side by side line output the reproduction loop,
From described numerical information detect described copy control information the control detection loop,
Make at least a portion that is recorded to the described numerical information on the described recording medium irreproducible can not the reproduction loop,
To expression to number of copy times information updating loop that the number of copy times information of the predetermined permission number of copy times of the recording medium of described numerical information is upgraded and
According to by the detected testing result in described detection loop, control the record-playback control loop of the operation of recording in the reproducing movement in described reproduction loop and described record loop,
Described record-playback control loop is controlled described record loop,
Represent only to allow under the situation of a record generation described numerical information, described number of copy times information to be recorded on the described recording medium at described copy control information,
And then described record-playback control loop is according to by detected described copy control information in described control detection loop and the described number of copy times information reproduced,
Control described can not the reproduction loop can not the reproduction action and the more new element in described number of copy times information updating loop,
Represent not allow to carry out again record at the described copy control information that reproduces from described recording medium, and with described numerical information under the situation that described other recording mediums that possess the pen recorder that is connected on this transcriber move, upgrade the loop by described number of copy times, after reducing the permission number of times, upgrade described number of copy times information, described numerical information is rewritten as the numerical information that makes again that has identical content with described numerical information by described record loop, this numerical information that makes again and the described number of copy times information of upgrading are recorded on the recording medium, simultaneously, by described numerical information after the reproduction can not be reproduced again
Described record loop records described recording medium after described numerical information is encrypted,
Described reproduction loop will be exported from the described numerical information deciphering back after the encryption of described recording medium reproduction,
The described record loop different key of key of the described numerical information after the encryption of reproducing with described reproduction loop will record described recording medium after the described numerical information encryption that makes again.
20. digital information recording transcriber according to claim 19 is characterized in that, described record loop and described reproduction loop with described number of copy times information as a kind of key.
21. digital information recording transcriber according to claim 19, it is characterized in that, can mobile number of times as what record described numerical information on the described recording medium, to each described numerical information, described number of copy times information is shown and informs to the user.
Applications Claiming Priority (9)
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| JP2004-298331 | 2004-10-13 | ||
| JP2004298331A JP4107281B2 (en) | 2004-10-13 | 2004-10-13 | Digital information recording / reproducing apparatus |
| JP2004298333A JP2006114091A (en) | 2004-10-13 | 2004-10-13 | Digital information recording and reproducing method and digital information recording device |
| JP2004298332 | 2004-10-13 | ||
| JP2004-298333 | 2004-10-13 | ||
| JP2004-298332 | 2004-10-13 | ||
| JP2004298332A JP2006114090A (en) | 2004-10-13 | 2004-10-13 | Digital information recording and reproducing method and digital information recording device |
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| CN1783298A CN1783298A (en) | 2006-06-07 |
| CN1783298B true CN1783298B (en) | 2011-07-06 |
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| JP4592517B2 (en) * | 2005-06-30 | 2010-12-01 | 株式会社東芝 | Information processing system and electronic device |
| JP4775324B2 (en) * | 2007-06-01 | 2011-09-21 | パナソニック株式会社 | Recording / reproducing apparatus and recording / reproducing method |
| JP4977834B2 (en) * | 2007-07-03 | 2012-07-18 | 日立コンシューマエレクトロニクス株式会社 | Recording device |
| JP5081512B2 (en) * | 2007-07-03 | 2012-11-28 | 日立コンシューマエレクトロニクス株式会社 | Digital content receiving apparatus and digital content receiving method |
| JP4423314B2 (en) * | 2007-07-09 | 2010-03-03 | 株式会社日立製作所 | Digital information recording / reproducing apparatus and display apparatus |
| JP5060251B2 (en) * | 2007-11-14 | 2012-10-31 | 株式会社東芝 | Digital broadcast receiving apparatus and digital broadcast receiving method |
| JP2009181659A (en) * | 2008-01-31 | 2009-08-13 | Toshiba Corp | Information processing device and content transferring method |
| EP2190181A3 (en) | 2008-10-27 | 2010-08-04 | Hitachi Consumer Electronics Co. Ltd. | Output control method |
| JP5111542B2 (en) * | 2010-03-23 | 2013-01-09 | 日立コンシューマエレクトロニクス株式会社 | Content recording / playback apparatus and content recording / playback method |
| JP5111543B2 (en) * | 2010-03-23 | 2013-01-09 | 日立コンシューマエレクトロニクス株式会社 | Content recording / playback apparatus and content recording / playback method |
| JP6054047B2 (en) * | 2012-03-26 | 2016-12-27 | 日立マクセル株式会社 | Receiving apparatus and receiving method |
| JP5223029B2 (en) * | 2012-10-09 | 2013-06-26 | 日立コンシューマエレクトロニクス株式会社 | Digital content transmission / reception system and digital content transmission / reception method |
| JP5223027B2 (en) * | 2012-10-09 | 2013-06-26 | 日立コンシューマエレクトロニクス株式会社 | Digital content transmission / reception system and digital content transmission / reception method |
| JP5223030B2 (en) * | 2012-10-09 | 2013-06-26 | 日立コンシューマエレクトロニクス株式会社 | Content recording / playback apparatus and content recording / playback method |
| JP5223028B2 (en) * | 2012-10-09 | 2013-06-26 | 日立コンシューマエレクトロニクス株式会社 | Content recording / playback apparatus and content recording / playback method |
| JP5603475B2 (en) * | 2013-10-11 | 2014-10-08 | 日立マクセル株式会社 | Digital content transmission / reception system and digital content transmission / reception method |
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|---|---|---|---|---|
| CN1396773A (en) * | 2001-07-06 | 2003-02-12 | 株式会社日立制作所 | Digital information recording device and output decice |
| CN1459790A (en) * | 2002-05-22 | 2003-12-03 | 株式会社日立制作所 | Information output device and information output method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006114091A (en) | 2006-04-27 |
| CN1783298A (en) | 2006-06-07 |
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