EP2520085A1 - Verfahren zur signalisierung von rundfunkvideoinhalten sowie aufzeichnungsverfahren und vorrichtung mit der signalisierung - Google Patents
Verfahren zur signalisierung von rundfunkvideoinhalten sowie aufzeichnungsverfahren und vorrichtung mit der signalisierungInfo
- Publication number
- EP2520085A1 EP2520085A1 EP10798569A EP10798569A EP2520085A1 EP 2520085 A1 EP2520085 A1 EP 2520085A1 EP 10798569 A EP10798569 A EP 10798569A EP 10798569 A EP10798569 A EP 10798569A EP 2520085 A1 EP2520085 A1 EP 2520085A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- unique identifier
- content
- signaling
- transport stream
- video
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 230000011664 signaling Effects 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000006978 adaptation Effects 0.000 claims description 5
- 230000003213 activating effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 230000006870 function Effects 0.000 description 4
- 238000001824 photoionisation detection Methods 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 101150012579 ADSL gene Proteins 0.000 description 1
- 102100020775 Adenylosuccinate lyase Human genes 0.000 description 1
- 108700040193 Adenylosuccinate lyases Proteins 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/78—Television signal recording using magnetic recording
- H04N5/781—Television signal recording using magnetic recording on disks or drums
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/23614—Multiplexing of additional data and video streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/2362—Generation or processing of Service Information [SI]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26258—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for generating a list of items to be played back in a given order, e.g. playlist, or scheduling item distribution according to such list
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26283—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for associating distribution time parameters to content, e.g. to generate electronic program guide data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
- H04N5/775—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television receiver
Definitions
- the invention relates to the general field of digital data broadcasting over a network. More particularly, the invention relates to a method of signaling video content and services and a method and a device for recording content and video services using this signaling.
- the invention applies more particularly to digital television receivers / decoders more simply called thereafter decoders.
- the network broadcasts audiovisual broadcasts more commonly known as "events" and data intended to reference them. These data are for example defined in the specifications DVB-SI ('Digital Video Broadcast - Specification for Service Information'). They are in the form of tables and descriptors that describe the objects transmitted on the broadcast network.
- DVB-SI Digital Video Broadcast - Specification for Service Information'
- a service is an uninterrupted series of events broadcast on a certain flow.
- NIT defines the general structure of the network and indicates the list of transport flows and services broadcast.
- SDT table provides additional information about broadcast services, such as the clear name of a service.
- EIT table indicates a list of events for each service. In particular, it indicates the event being broadcast.
- BAT table brings together several services that can come from several broadcast networks.
- the decoder is able to search the stream that broadcasts the desired event by the user.
- Software called Electronic Program Guide (EPG for short) Displays features of broadcast events such as title, theme, summary, broadcast time. It thus facilitates the choice of the user.
- EPG Electronic Program Guide
- the decoder can record the event. It has a hard disk that stores audiovisual programs in a compressed format. For this, the decoder triggers the beginning and the end of the recording thanks to temporal data, for example contained in the EPG.
- this triggering is based on an alarm programmed by the user, an alarm programmed by the EPG data advantageously enlarged by the user or by a signal transmitted simultaneously to the event with relative accuracy.
- a triggering solution based on the use of a signal transmitted during the event itself for example using the VPS / PDC standard (in English "Program Delivery Control” specified in the ETS 300 231 standard, published by the "European Telecommunications Standards Institute” or ETSI, using codes hidden in teletext data) has the advantage of synchronizing the trigger with the actual broadcast time. An accuracy of one second is defined in the standard.
- the invention aims to overcome at least one of the disadvantages of the prior art.
- the invention relates to a method of signaling content and video services broadcast by a television operator to a multitude of reception devices, the contents being encoded in data packets transmitted in a transport stream associated with a stream signaling.
- the method includes a step of inserting a unique identifier associated with each of the video contents or services in the signaling stream; a step of inserting the unique identifier in packets of the transport stream transmitting the video content or service corresponding to the unique identifier.
- the identifier inserted in the transport packets, allows a detection of the content to the ready image at the beginning, end or in case of interruption of the program, in particular by advertisements.
- the unique identifier associated with each of the video contents or services is derived from a characteristic among the title of the video content or service, the date and the theoretical time of streaming of the content or video service.
- the unique identifier (M 1) is inserted for the so-called principal data packets ES identified by a determined PID in a stream conforming to the MPEG standard.
- the unique identifier associated with each of the video contents or services is inserted into the extension field of the RTS packets of an IP transport stream.
- the unique identifier associated with each of the video contents or services is inserted as a than private data in the adaptation field of the ES packets of an MPEG2-TS transport stream.
- the invention further relates to a method for recording video content and services broadcast by a television operator to a multitude of reception devices, the contents being encoded in data packets transmitted in a transport stream associated with a streaming stream.
- signaling comprises a step of receiving the signaling flow; a step of receiving the transmitted data packets in the transport stream; a step of detecting a unique identifier associated with each of the video contents or services in the signaling stream; a step of detecting a unique identifier in packets of the transport stream associated with the content to be recorded; and a step of recording each packet of the transport stream to the content to be recorded.
- the method further comprises a step of selecting a content or video service to be recorded and determining the unique identifier from the data of the signaling flow corresponding to the content or service. video to record.
- the method further comprises a step of activating the reception of data packets of the transport stream from the data of the signaling flow.
- the invention further relates to a recording device implementing the previously described recording method.
- FIG. 1 illustrates the signaling and recording method according to a particular embodiment
- FIGS. 2 and 3 represent packets of the transport streams according to two embodiments (DVB-IPTV and DVB-MPEG2-TS);
- FIG. 4 illustrates the recording method according to a particular embodiment
- FIG. 5 illustrates a recording device embodying the invention.
- the present invention includes a method and apparatus in which a client schedules the recording of broadcast video content for example using the data of a program guide.
- the broadcast of the content constitutes an event E ,.
- a unique identifier M is associated with the event E ,.
- This identifier M is inserted into transport packets of the content to be recorded. Only data packets corresponding to this content are saved.
- the present invention has the advantage of synchronizing the recording of a content to the image near as well at the beginning or at the end of the content, or in the middle of it (the advertisements).
- FIG. 1 illustrates the signaling and recording method according to a particular embodiment.
- the television operator prepares the broadcast of content for a given date and time. This broadcast corresponds to the event E, the video content is compressed into a bit stream intended to be transmitted to clients in a transport stream.
- a second step 1 10 comprises the signaling 1 12 of the event E ,.
- the information included in the signaling of the event E there is data relating to the theoretical distribution of the content at a date and time on a given channel, the plain name of the program, the unique identifier M ,.
- the signaling 1 12 is prepared by the TV operator in a step 1 1 1 and is received by the customer in a step 13.
- Step 120 the client analyzes the signaling information 1 12, selects the event E, to record and determines the unique identifier Mi associated with this event E ,.
- Step 130 the client activates the reception of data packets on the channel at the scheduled time of broadcast.
- Step 140 comprises receiving 143 data packets of E, transport stream 142 and recording 144 of this stream in storage means of the client's decoder.
- the step 140 comprises the activation of the reception 143 continuously automatically from a standby state of the decoder using information of the signaling 1 12, in particular the date and the time of diffusion E , content.
- this transmission uses IP networks (IPTV) or broadcasting networks of satellite, wireless or cable type (DVB MPEG2-TS).
- the unique identifier M is derived from the title of the content encrypted by a hash function. According to one variant, the unique identifier M is derived from the theoretical date and time of broadcast of the video content. The identifier M makes it possible to associate the data packets received by the decoder with a content.
- the identifier M is transmitted at the transport session, for example over an IP network in the RTP packets or on a DVB network in the adaptation field of the MPEG2-TS.
- the unique identifier M is advantageously transmitted in the metadata associated with the content broadcast.
- the audio and video contents are encoded according to the MPEG communication protocol.
- a so-called elementary packet or ES contains a single type of data (video, audio 1 or audio 2) whose format depends on the coded used.
- the MPEG transport layer defines an ES packet transport stream.
- Each ES packet is identified by its PID in the header of the MPEG2-TS packet. The different PIDs for a content are described in the PMT associated with the service.
- a primary ES packet is determined.
- the main ES packet is a packet which is systematically decoded. For example, the first packet starting each GOP (in English "Group of Pictures"), or each intra picture.
- the unique identifier is inserted in each main ES.
- the identifier Mi will advantageously be transported by the same ES throughout the event. This feature greatly reduces the repetition of the identifier to be inserted into the transport stream.
- the decoder detects the main ES packet by the identifier and associates the other ES packets of the stream with the PMT table. All of these packets are stored in the decoder for recording.
- the invention is not limited to this embodiment. Especially if the content is a radio broadcast, the main TES is of audio type. Especially if the content is scalable video content.
- Each ES packet can be a main packet. According to one embodiment, the contents are broadcast on a network
- the transport stream uses the detailed RTP protocol in RFC 3350 "RTP: A Transport Protocol for Real-Time Applications" by H. Schulzrinne, S Casner, Frederick R and V Jacobson in July 2003.
- Figure 2 shows packets of an RTP transport stream according to the particular DVB-IPTV embodiment.
- the signaling is carried out using program guide technologies such as SD & S (DVB-IPTV's "Service Discovery and Selection") or BCG ("Broadcast Content Guide” by DVB-IPTV) or still TV-Anytime.
- program guide technologies such as SD & S (DVB-IPTV's "Service Discovery and Selection") or BCG ("Broadcast Content Guide” by DVB-IPTV) or still TV-Anytime.
- the identifier M is derived from the CRID (Content Reference Identifier) introduced in the Broadband Content Guide of DVB-IPTV by compressing it for example by a hash function.
- the identifier M is transmitted with the signaling information.
- the identifier M is also transmitted in the RTP packets carrying packets of data, advantageously the main packets as previously defined.
- a new RTP header format is defined, it comprises an RTP header 201 and an extension of the RTP header 202 indicated by the X bit of the header 201.
- the extension field of the header 302 advantageously comprises a "unique identifier" field M 1. This new field is 32-bit coded.
- the type 203 and the length 204 of the new extension field of the header 202 are advantageously indicated.
- the contents are broadcast over a satellite, wired or wireless broadcasting network using the MPEG2-TS standard (in ISO / IEC 13818-1: "Information technology - Generic coding of moving pictures and associated audio information: Part 1: Systems ").
- MPEG2-TS in ISO / IEC 13818-1: "Information technology - Generic coding of moving pictures and associated audio information: Part 1: Systems ").
- the signaling based on the MPEG2-PSI and DVB-SI tables is inserted into the transport stream itself.
- FIG. 3 represents packets 302, 306 of an MPEG2-TS 301 transport stream according to the DVB-MPEG2-TS embodiment.
- a TS packet 302, 306 is composed of a header 303, an optional adaptation field 304 and useful data 305.
- the identifier M is transmitted in the adaptation field 304, dedicated to the transport of private data.
- this field is added only on the packets 306 carrying the main ES as previously defined.
- This field comprises 7 additional bytes including 4 bytes for the identifier M, and a byte to indicate the size of the private data which is the identifier M ,.
- Figure 4 illustrates the recording method according to a particular embodiment.
- the signaling of an event E includes among others information on the title of the content, the date and time of the scheduled start of broadcast, the date and time of end of broadcast, the broadcast channel. It further comprises the unique identifier M, according to the invention.
- the signaling information is decoded and the identifier M, associated with E, is detected. Reception and decoding this signaling informs the user via the EPG on the contents broadcast.
- the user selects a content to be recorded corresponding to an event E, and a marker M ,.
- the recording is triggered for example from the scheduled start time and end of broadcast.
- the activation of the reception of the transport stream is triggered starting from the scheduled start and end time during an optional step 405.
- a margin is taken with respect to the start and end time.
- the reception 406 is continuously activated on the channel broadcasting the program to be recorded.
- the unique identifier M j corresponding to an event E j is detected in the transport packets. If this identifier M j corresponds to the identifier M, content to be recorded then this packet is a main ES packet associated with the content to be recorded.
- FIG. 5 illustrates a receiving device embodying the invention.
- the receiving device is for example a digital TV receiver / decoder (or "set top box” in English) connected to a network, an access gateway to an IP network (or “gateway” in English) or in the case of hybrid networks, a device providing reception functions on each of the networks.
- the device comprises physical means that are useful for implementing an embodiment of the invention, for example a processor 510 (CPU), a random access memory 530 (for example a RAM) and a program memory 520 (for example a ROM), a hard disk 540 and at least one network interface 550 such as a demodulator (cable, satellite or wireless), an IP port, an ADSL demodulator, a 3G modem for mobile networks.
- the network interface is adapted to receive data over an IP network, a television broadcast network, a mobile network on a transport channel 560.
- the decoder comprises a second network interface of to be able to record content while a second content is being viewed.
- the CPU stores the data packets in the RAM or on the hard disk as a file from the information relating to the identifier M ,. According to one embodiment, the CPU also performs the decoding function of the recorded video stream and sends the decoded content to a display device such as a television screen.
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Television Signal Processing For Recording (AREA)
- Human Computer Interaction (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Television Systems (AREA)
- Management Or Editing Of Information On Record Carriers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0959618 | 2009-12-28 | ||
PCT/EP2010/070823 WO2011080283A1 (fr) | 2009-12-28 | 2010-12-28 | Procede de signalisation de contenus videos diffuses, procede et dispositif d'enregistrement utilisant la signalisation |
Publications (1)
Publication Number | Publication Date |
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EP2520085A1 true EP2520085A1 (de) | 2012-11-07 |
Family
ID=42101809
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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EP10195323A Ceased EP2339850A1 (de) | 2009-12-28 | 2010-12-16 | Methode und vorrichtung für aufnahme der video inhalts-und service-sendung mit vorherigem getriebe von daten |
EP10798569A Withdrawn EP2520085A1 (de) | 2009-12-28 | 2010-12-28 | Verfahren zur signalisierung von rundfunkvideoinhalten sowie aufzeichnungsverfahren und vorrichtung mit der signalisierung |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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EP10195323A Ceased EP2339850A1 (de) | 2009-12-28 | 2010-12-16 | Methode und vorrichtung für aufnahme der video inhalts-und service-sendung mit vorherigem getriebe von daten |
Country Status (11)
Country | Link |
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US (2) | US9185335B2 (de) |
EP (2) | EP2339850A1 (de) |
JP (2) | JP5791893B2 (de) |
KR (1) | KR101713902B1 (de) |
CN (2) | CN102771117B (de) |
BR (1) | BRPI1005463A2 (de) |
CA (1) | CA2785591A1 (de) |
MX (1) | MX2012007383A (de) |
MY (1) | MY156066A (de) |
RU (1) | RU2547624C2 (de) |
WO (1) | WO2011080283A1 (de) |
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EP2745477B1 (de) * | 2011-08-18 | 2016-04-27 | VID SCALE, Inc. | Verfahren und systeme zur paketdifferenzierung |
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EP2611153A1 (de) * | 2011-12-29 | 2013-07-03 | Thomson Licensing | System und Verfahren zum Multiplex-Streaming von Multimedia-Inhalten |
WO2014014238A1 (en) | 2012-07-17 | 2014-01-23 | Samsung Electronics Co., Ltd. | System and method for providing image |
KR102091137B1 (ko) * | 2012-07-17 | 2020-03-20 | 삼성전자주식회사 | 영상 제공 시스템 및 방법 |
US20140040496A1 (en) * | 2012-08-06 | 2014-02-06 | General Instrument Corporation | On-demand http stream generation |
WO2018127739A1 (en) * | 2017-01-09 | 2018-07-12 | Nokia Technologies Oy | Method and apparatus for coordinated content delivery in multicast / broadcast networks |
CN108574882B (zh) * | 2017-03-08 | 2019-11-12 | 华为技术有限公司 | 一种视频传输方法和装置 |
CN109151497B (zh) * | 2018-08-06 | 2021-09-21 | 广州虎牙信息科技有限公司 | 一种连麦直播方法、装置、电子设备及存储介质 |
US11196789B2 (en) * | 2018-09-20 | 2021-12-07 | Panasonic Intellectual Property Management Co., Ltd. | Recording device and recording method |
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- 2010-12-28 MX MX2012007383A patent/MX2012007383A/es active IP Right Grant
- 2010-12-28 MY MYPI2012002668A patent/MY156066A/en unknown
- 2010-12-28 CA CA2785591A patent/CA2785591A1/en not_active Abandoned
- 2010-12-28 RU RU2012132459/08A patent/RU2547624C2/ru not_active IP Right Cessation
- 2010-12-28 BR BRPI1005463-4A patent/BRPI1005463A2/pt not_active Application Discontinuation
- 2010-12-28 WO PCT/EP2010/070823 patent/WO2011080283A1/fr active Application Filing
- 2010-12-28 CN CN201080064717.2A patent/CN102771117B/zh not_active Expired - Fee Related
- 2010-12-28 EP EP10798569A patent/EP2520085A1/de not_active Withdrawn
- 2010-12-28 KR KR1020127016743A patent/KR101713902B1/ko active IP Right Grant
- 2010-12-28 US US13/519,575 patent/US9838642B2/en not_active Expired - Fee Related
- 2010-12-28 JP JP2012546441A patent/JP6103940B2/ja not_active Expired - Fee Related
- 2010-12-28 CN CN201010621639.3A patent/CN102123304B/zh active Active
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Also Published As
Publication number | Publication date |
---|---|
CN102771117A (zh) | 2012-11-07 |
RU2012132459A (ru) | 2014-02-10 |
KR20120123293A (ko) | 2012-11-08 |
JP6103940B2 (ja) | 2017-03-29 |
BRPI1005463A2 (pt) | 2014-01-07 |
RU2547624C2 (ru) | 2015-04-10 |
WO2011080283A1 (fr) | 2011-07-07 |
MY156066A (en) | 2016-01-15 |
CN102123304A (zh) | 2011-07-13 |
MX2012007383A (es) | 2012-07-30 |
US20120297435A1 (en) | 2012-11-22 |
JP5791893B2 (ja) | 2015-10-07 |
KR101713902B1 (ko) | 2017-03-09 |
US9185335B2 (en) | 2015-11-10 |
CN102123304B (zh) | 2015-01-14 |
JP2013516133A (ja) | 2013-05-09 |
CN102771117B (zh) | 2016-03-16 |
CA2785591A1 (en) | 2011-07-07 |
JP2011172212A (ja) | 2011-09-01 |
US9838642B2 (en) | 2017-12-05 |
EP2339850A1 (de) | 2011-06-29 |
US20110158607A1 (en) | 2011-06-30 |
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