WO2006095717A1 - テレビ受信システム - Google Patents
テレビ受信システム Download PDFInfo
- Publication number
- WO2006095717A1 WO2006095717A1 PCT/JP2006/304337 JP2006304337W WO2006095717A1 WO 2006095717 A1 WO2006095717 A1 WO 2006095717A1 JP 2006304337 W JP2006304337 W JP 2006304337W WO 2006095717 A1 WO2006095717 A1 WO 2006095717A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- unit
- information
- installation information
- wireless communication
- installation
- Prior art date
Links
- 238000009434 installation Methods 0.000 claims abstract description 107
- 238000004891 communication Methods 0.000 claims description 60
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 10
- 239000000284 extract Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/38—Transmitter circuitry for the transmission of television signals according to analogue transmission standards
-
- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
-
- 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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
-
- 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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43637—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
-
- 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
- H04N21/485—End-user interface for client configuration
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/50—Tuning indicators; Automatic tuning control
-
- 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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44227—Monitoring of local network, e.g. connection or bandwidth variations; Detecting new devices in the local network
Definitions
- the present invention relates to a television receiving system that can receive and use broadcast signals such as television broadcasts wirelessly.
- a system in which a channel selection apparatus (tuner) and a display apparatus are separately configured, a broadcast signal received by the channel selection apparatus is transmitted by wireless transmission to the display apparatus, and the broadcast signal is displayed on the display apparatus is Japanese Patent Application Laid-Open No. 2001-358966.
- a conventional television reception system wirelessly transmits a broadcast signal received by one tuning apparatus to one or more display apparatuses!
- the setting parameter in the wireless transmission was single, and it was not possible to wirelessly transmit in an optimal state to all display devices at different installation locations.
- a display device installed near the channel selection device can reliably receive a broadcast signal, but the reception status of the display device installed far from the channel selection device is unstable, and often the radio wave condition is bad.
- the broadcast signal could not be received by Bitch et al.
- the television receiving system comprises an antenna for receiving a broadcast signal, a channel selection unit for tuning a broadcast signal received by the antenna, and a code for coding a broadcast signal selected by the channel selection.
- a channel selection apparatus comprising: a coding unit; a first wireless communication unit for transmitting a broadcast signal encoded by the coding unit as a wireless signal; and a first control unit for controlling the channel selection state of the channel selection.
- a second wireless communication unit that receives a wireless signal from the first wireless communication unit, a decoding unit that decodes the wireless signal received by the second wireless communication unit as a broadcast signal, and a decoding unit that decodes the wireless signal
- An image display unit for displaying the digitized broadcast signal as an image, an input unit for inputting an instruction of the user, an installation information generation unit for generating installation information of the channel selection apparatus based on the input instruction, and A second storage unit for storing the installed information, and installation from the second storage unit Removed broadcast, first control installation information through the second wireless communication unit and the first radio communication unit
- a display device including a second control unit for sending to the unit, the first control unit controlling the channel selection state of the channel selection based on the installation information sent by the second control unit. It is.
- the display device includes a plurality of installation information including setting parameters for wireless transmission, and uses the installation information in which the reception state is optimal according to the installation location of the display device. Can be selected and given to the tuning device. As a result, a stable reception environment can be created regardless of where the display device is installed.
- FIG. 1 is a view showing an example of the arrangement of a channel selection device and a display device when a television receiving system according to a first embodiment of the present invention is installed in a house.
- FIG. 2 is a block diagram of a television receiving system according to a first embodiment of the present invention.
- FIG. 3 is a view showing an example of setting parameters of installation information of the channel selection device 1 constituting the television receiving system in the first embodiment according to the present invention.
- FIG. 4 is a view showing an example of a control panel provided in the display device of the television receiving system in accordance with Embodiment 1 of the present invention.
- FIG. 5 is a view showing an example of an LED display unit provided in a channel selection device of a television receiving system in accordance with a first exemplary embodiment of the present invention.
- FIG. 6 is a flowchart relating to installation information executed in the display device of the television receiving system in accordance with Embodiment 1 of the present invention.
- FIG. 7 is a flow chart related to installation information executed in a channel selection device of a television receiving system in a first embodiment according to the present invention.
- FIG. 8 is a block diagram of a television receiving system according to a second embodiment of the present invention.
- FIG. 9 is a flowchart relating to installation position detection processing executed in the display device of the television receiving system in the second embodiment of the present invention.
- FIG. 10 is a block diagram of a television receiving system according to a third embodiment of the present invention.
- FIG. 11 shows the inside of the display device of the television receiving system according to the third embodiment of the present invention. And it is a flowchart regarding restoration of the wireless communication performed within the channel selection apparatus. Explanation of sign
- FIG. 1 is a view showing an example of the arrangement of a channel selection apparatus and a display apparatus when a television receiving system according to a first embodiment of the present invention is installed in a house.
- the selection devices la, lb, lc, ld and le are installed in each room, and there are five.
- the display device 2 is installed in one unit. In this case, the display device 2 communicates wirelessly with the tuning device lb in the living room located nearest. A plurality of display devices 2 may be provided.
- FIG. 2 is a block diagram of a television receiving system according to a first embodiment of the present invention. is there.
- the television receiving system in the first embodiment is configured of a tuning device 1 connected by wireless communication and a display device 2.
- channel selection apparatus 1 corresponds to channel selection apparatus lb in FIG.
- the channel selection apparatus 1 includes a first wireless communication unit 101, a channel selection unit 102, an encoding unit 103, an LED display unit 104, a first control unit 105, and an antenna 109.
- the antenna 109 receives a broadcast signal propagating from the outside.
- the tuner 102 selects a broadcast signal received by the antenna 109.
- the encoding unit 103 encodes the broadcast signal tuned by the tuning unit 102.
- the first wireless communication unit 101 transmits the broadcast signal encoded by the encoding unit 103 as a wireless signal.
- the broadcast signal is sent to the display device 2 as a coded radio signal.
- the first control unit 105 controls the series of flows and also controls the tuning state of the tuning unit 102.
- the channel selection state differs depending on the installation place of the channel selection apparatus 1.
- the first control unit 105 controls the communication state of the first wireless communication unit 101. The control of the communication state is performed based on installation information stored in the display device 1 described later.
- the LED display unit 104 displays installation location information in the installation information of the channel selection apparatus 1 by lighting up the LED.
- the display device 2 includes a second wireless communication unit 201, a decoding unit 202, an input unit 203, an installation information generation unit 204, a second storage unit 205, a second control unit 206, and an image display unit 209. It consists of The second wireless communication unit 201 receives a wireless signal from the first wireless communication unit 101 of the channel selection apparatus 1.
- the decoding unit 202 decodes the wireless signal received by the second wireless communication unit 201 as a broadcast signal.
- the image display unit 209 displays the broadcast signal decoded by the decoding unit 202 as an image.
- the input unit 203 receives an instruction input by the user of the display device 2.
- the installation information generation unit 204 generates installation information based on the instruction input from the input unit 203.
- the second storage unit 205 stores the installation information generated by the installation information generation unit 204.
- the second control unit 206 takes out the installation information from the second storage unit 205 and takes the taken out installation information via the second wireless communication unit 201 and the first wireless communication unit 101 of the channel selection apparatus 1. It sends to the first control unit 105 of the tuning device 1.
- the installation information is a setting parameter for enabling the channel selection apparatus 1 and the display apparatus 2 to transmit and receive a radio signal in an optimal state.
- FIG. 3 is a diagram showing an example of setting parameters of installation information constituting the television receiving system according to the first embodiment of the present invention.
- the setting parameters of the installation information 3 include an installation location information 301, a used radio channel information 302, a used band information 303, and transmission / reception power information 304.
- the installation location information 301 indicates the position where the display device 2 is placed. For example, dining, living, bedroom, study, Japanese-style room, etc. correspond.
- the used wireless channel information 302 indicates a wireless channel used between the first wireless communication unit 101 of the channel selection device 1 and the second wireless communication unit 201 of the display device 2. For example, if there are four wireless channel powers S, channels 1, 2, 3 and 4 correspond.
- the used band information 303 indicates the band actually used in the wireless channel. For example, cases where the use band in channel 1 is wide (WIDE) and narrow (STANDARD, hereinafter referred to as “STD”) are applicable.
- Transmission / reception power information 304 indicates transmission / reception power consumed by the wireless channel. For example, if the wireless communication status is good, decrease the transmit / receive power (display as "LOW"), and if the wireless communication status deteriorates and increase the transmit / receive power (display as "HIGH”) Is considered.
- FIG. 4 is a diagram showing an example of the input unit 203 provided in the display device 2 of the television receiving system according to the first embodiment of the present invention.
- the setting parameters shown in FIG. 3 are displayed on the control panel which is the input unit 203.
- the display area is a touch panel, allowing the user to enter setting information as it is with his fingertips.
- the installation site is set to living, the radio channel to be used is one channel, the use band is "WIDE", and the transmission / reception power is "L OW”.
- “Video quality” is displayed as a setting parameter.
- the installation location can be switched by touching the triangles on the left and right.
- FIG. 5 is a diagram showing an example of the LED display unit 104 provided in the channel selection device 1 of the television receiving system according to the first embodiment of the present invention.
- the installation location information 301 which is one of the installation information 3 is displayed by the LED.
- the LED 2 lights up and the display 2 is installed in the living room.
- the display device 2 receives a wireless signal from the channel selection device 1 in an optimal state, and the user sets the optimal installation information 3 in order to display a clear image.
- the set optimum installation information is transmitted from the display device 2 to the tuning device 1 by a wireless signal.
- FIG. 6 is a flowchart relating to installation information implemented in the display device of the television receiving system in accordance with the first exemplary embodiment of the present invention. If the display device 2 can not be applied to the installation information stored so far! (If, for example, the display device 2 has moved to a new installation location, etc.), set the new installation information 3 according to the following procedure.
- step S 203 it is checked whether the setting parameter related to wireless signal control in the installation information 3 is to be updated. If the setting parameters for wireless signal control are not updated, the process proceeds to step S205.
- the user stores the used wireless channel information 302, the used band information 303, and the transmission / reception power information 304 in the second storage unit 205 (S204).
- the installation information transmitted to the channel selection device 1 by the above-described series of processes is set in each part by the first control unit 105 of the channel selection device 1. Next, this operation will be described using a flowchart.
- FIG. 7 is a flowchart relating to installation information performed in the channel selection apparatus of the television receiving system in accordance with the first exemplary embodiment of the present invention.
- step S 102 When updating the installation information, it is checked whether or not the installation location information 301 transmitted from the display device 2 is newly set (S 102). If the installation location information 301 is not newly set, the process proceeds to step S104.
- the installation location information 301 transmitted from the display device 2 is newly set, the installation location information 301 is reflected on the LED display unit 104. For example, an LED indicating a new installation site is lit (S103).
- the first control unit 105 sets the use radio channel information 302, the use band information 303, and the transmission / reception power information 304 in each part (S 105).
- FIG. 8 is a block diagram of a television receiving system according to a second embodiment of the present invention. 8 differs from the first embodiment of FIG. 2 in that the display device 22 is provided with an installation position detection unit 207 for detecting the installation position of the display device 22.
- the installation position detection unit 207 monitors the communication state of the second wireless communication unit 201, and detects, as current information, changes in parameters set beforehand. For example, it is detected that the transmission / reception power consumed by the second wireless communication unit 201, which is one of the information, is larger than the setting parameter. If the detected value exceeds a certain value, the setting position detection unit 207 makes a second control to that effect. Tell the club 206. In response to this, the second control unit 206 selects the optimum value of the installation information 3.
- FIG. 9 is a flowchart relating to installation position detection processing performed in the display device of the television receiving system in the second embodiment of the present invention.
- the setting position detection unit 207 detects the setting position of the display device 22 at all times (S3
- the user is requested to update the currently set installation information (S 304). Specifically, the display of the control panel of the display device 22 is changed and notified (for example, the entire display is blinked in FIG. 4).
- the user can know the wireless state of the display device 22 and can promptly determine the optimal installation information. It can be reset.
- FIG. 10 is a block diagram of a television receiving system according to a third embodiment of the present invention. 10 differs from Embodiment 1 in FIG. 2 in that a first storage unit 106 is provided in channel selection apparatus 13.
- the first storage unit 106 stores the installation information 3 transmitted from the display device 2. Installation information
- the display device 2 and the channel selection device 13 change the installation information 3 already stored in different cycles. If the communication is restored and established, the installation information 3 is set permanently. This movement Enables automatic recovery of broken wireless communication.
- FIG. 11 is a flowchart relating to restoration of wireless communication performed in the display device and the channel selection device of the television receiving system in the third embodiment of the present invention. The process of FIG. 11 is simultaneously executed on both the display device 2 and the channel selection device 13 in different cycles.
- the display device 2 reads another setting information 3 from the second storage unit 205. Also, the channel selection apparatus 13 reads another installation information 3 from the first storage unit 106 (S402).
- the display device 2 updates the installation information 3 read from the second storage unit 205, and changes the setting of each part in the display device 2.
- the tuning device 13 updates the installation information 3 read from the first storage unit 106, and changes the setting of each part in the tuning device 13 (S403).
- the display device 2 and the channel selection device 13 confirm whether or not each interrupted communication has been established.
- step S404 If communication is not established, the process returns to step S402 to read out further installation information 3.
- the television reception system according to the present invention can be generated under different conditions within the range in which wireless communication with a channel selection apparatus installed in a house or in a garden is possible. It is possible to avoid interference with radio communication due to channel selection harmonics. Therefore, it is useful as a television reception technology that enables reception and use of broadcast signals such as television broadcast via radio.
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Human Computer Interaction (AREA)
- Circuits Of Receivers In General (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Details Of Television Systems (AREA)
- Radio Relay Systems (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007507118A JPWO2006095717A1 (ja) | 2005-03-10 | 2006-03-07 | テレビ受信システム |
EP06728706A EP1845708A4 (en) | 2005-03-10 | 2006-03-07 | TELEVISION SYSTEM |
US11/817,906 US8154601B2 (en) | 2005-03-10 | 2006-03-07 | Television receiving system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005066954 | 2005-03-10 | ||
JP2005-066954 | 2005-03-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006095717A1 true WO2006095717A1 (ja) | 2006-09-14 |
Family
ID=36953311
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/304337 WO2006095717A1 (ja) | 2005-03-10 | 2006-03-07 | テレビ受信システム |
Country Status (5)
Country | Link |
---|---|
US (1) | US8154601B2 (ja) |
EP (1) | EP1845708A4 (ja) |
JP (1) | JPWO2006095717A1 (ja) |
CN (1) | CN101138232A (ja) |
WO (1) | WO2006095717A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5281853B2 (ja) * | 2008-09-05 | 2013-09-04 | 株式会社日立製作所 | テレビジョン受信機 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040003051A1 (en) | 2002-06-27 | 2004-01-01 | Openpeak Inc. | Method, system, and computer program product for managing controlled residential or non-residential environments |
JP2004336724A (ja) | 2003-04-17 | 2004-11-25 | Sharp Corp | 表示装置、無線通信システム、表示装置の制御方法、無線通信システムの制御方法、表示装置制御プログラム、無線通信システム制御プログラム、および該プログラムを記録した記録媒体 |
JP2004343725A (ja) | 2003-04-16 | 2004-12-02 | Sharp Corp | 無線通信装置、ワイヤレスavシステム並びに動作制御プログラム及びそのプログラムを記録した記録媒体 |
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Publication number | Priority date | Publication date | Assignee | Title |
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AR020608A1 (es) * | 1998-07-17 | 2002-05-22 | United Video Properties Inc | Un metodo y una disposicion para suministrar a un usuario acceso remoto a una guia de programacion interactiva por un enlace de acceso remoto |
JP4552280B2 (ja) | 2000-06-14 | 2010-09-29 | ソニー株式会社 | テレビ受信システム、選局装置および表示装置 |
JP4176011B2 (ja) | 2001-07-10 | 2008-11-05 | シャープ株式会社 | Avデータ送信装置、avデータ受信装置、avデータ表示・再生装置 |
JP2003101812A (ja) * | 2001-09-26 | 2003-04-04 | Hitachi Ltd | 受信システムおよび携帯端末 |
CN102547422A (zh) * | 2003-04-16 | 2012-07-04 | 夏普株式会社 | 无线终端、基站装置、无线系统、无线终端的控制方法 |
WO2004093404A1 (ja) * | 2003-04-17 | 2004-10-28 | Sharp Kabushiki Kaisha | 送信機、受信機、ワイヤレスシステム、制御方法、制御プログラムおよびそれを記録したコンピュータ読み取り可能な記録媒体 |
JP3667744B2 (ja) | 2003-04-17 | 2005-07-06 | シャープ株式会社 | 無線端末、ベース機器、ワイヤレスシステム、無線端末の制御プログラム、ベース機器の制御プログラム、およびコンピュータ読み取り可能な記録媒体 |
JP3683576B2 (ja) * | 2003-05-21 | 2005-08-17 | シャープ株式会社 | 無線通信装置、無線通信システム、ワイヤレスavシステム、無線伝送方法並びに動作制御プログラム及びそのプログラムを記録した記録媒体 |
US7146133B2 (en) | 2003-06-19 | 2006-12-05 | Microsoft Corporation | Wireless transmission interference avoidance on a device capable of carrying out wireless network communications |
US9131272B2 (en) * | 2003-11-04 | 2015-09-08 | Universal Electronics Inc. | System and method for saving and recalling state data for media and home appliances |
KR100550567B1 (ko) * | 2004-03-22 | 2006-02-10 | 엘지전자 주식회사 | 무선 네트워크망을 통해 통신하는 서버 시스템 및 그동작방법 |
-
2006
- 2006-03-07 WO PCT/JP2006/304337 patent/WO2006095717A1/ja active Application Filing
- 2006-03-07 EP EP06728706A patent/EP1845708A4/en not_active Withdrawn
- 2006-03-07 US US11/817,906 patent/US8154601B2/en not_active Expired - Fee Related
- 2006-03-07 JP JP2007507118A patent/JPWO2006095717A1/ja active Pending
- 2006-03-07 CN CN200680007524.7A patent/CN101138232A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US20040003051A1 (en) | 2002-06-27 | 2004-01-01 | Openpeak Inc. | Method, system, and computer program product for managing controlled residential or non-residential environments |
JP2004343725A (ja) | 2003-04-16 | 2004-12-02 | Sharp Corp | 無線通信装置、ワイヤレスavシステム並びに動作制御プログラム及びそのプログラムを記録した記録媒体 |
JP2004336724A (ja) | 2003-04-17 | 2004-11-25 | Sharp Corp | 表示装置、無線通信システム、表示装置の制御方法、無線通信システムの制御方法、表示装置制御プログラム、無線通信システム制御プログラム、および該プログラムを記録した記録媒体 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1845708A4 |
Also Published As
Publication number | Publication date |
---|---|
EP1845708A1 (en) | 2007-10-17 |
CN101138232A (zh) | 2008-03-05 |
EP1845708A4 (en) | 2010-03-03 |
US20090049499A1 (en) | 2009-02-19 |
JPWO2006095717A1 (ja) | 2008-08-14 |
US8154601B2 (en) | 2012-04-10 |
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