WO2006019122A1 - ワイヤレスマイクシステム、音声伝送再生方法、ワイヤレスマイク送信機、音声送信方法及びプログラム、受信機、音声受信再生方法及びプログラム - Google Patents
ワイヤレスマイクシステム、音声伝送再生方法、ワイヤレスマイク送信機、音声送信方法及びプログラム、受信機、音声受信再生方法及びプログラム Download PDFInfo
- Publication number
- WO2006019122A1 WO2006019122A1 PCT/JP2005/015026 JP2005015026W WO2006019122A1 WO 2006019122 A1 WO2006019122 A1 WO 2006019122A1 JP 2005015026 W JP2005015026 W JP 2005015026W WO 2006019122 A1 WO2006019122 A1 WO 2006019122A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- transmitter
- information
- reception
- microphone
- position information
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/301—Automatic calibration of stereophonic sound system, e.g. with test microphone
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/07—Applications of wireless loudspeakers or wireless microphones
Definitions
- Wireless microphone system audio transmission / reproduction method, wireless microphone transmitter, audio transmission method and program, receiver, audio reception / reproduction method and program
- the present invention relates to an improvement in the technology of a wireless microphone.
- a conventional wireless microphone system simply transmits audio input to a wireless microphone transmitter (also called a microphone transmitter or simply transmitter) to a receiver and reproduces the audio on the receiver side. It was not enough to determine the position of the sound source such as the speaker's standing position. For this reason, no matter where the speaker moved in the podium or venue, the sound was always played back at the same volume from each force.
- a wireless microphone transmitter also called a microphone transmitter or simply transmitter
- Patent Document 1 JP-A-7-288512
- the present invention solves the problems of the prior art as described above, and its object is to provide a transmitter based on the position information transmitted from several position information transmitters in advance.
- identifying the standing position of the speaker that is, the sound source position
- controlling the sound image position on the reception and playback side accordingly, it is stable against environmental influences such as the position of the transmitter and receiver and radio wave conditions.
- Wireless microphone technology that can achieve high-accuracy surround effects.
- the wireless microphone system of the present invention can also be regarded as an audio transmission reproduction method, a wireless microphone transmitter, an audio transmission method and program, a receiver, an audio reception reproduction method, and a program.
- a location information transmitter that is installed at multiple locations and transmits different location information, a wireless microphone transmitter with voice input, modulation, and radio transmission / reception transmission side circuit means, radio reception,
- a wireless microphone system using a receiver having a demodulating and amplifying output receiving circuit means has the following technical features.
- the microphone transmitter includes position information receiving means for receiving position information transmitted from each position information transmitter, and the position information or predetermined position information with predetermined reception state information at the time of reception.
- Transfer means for transferring the position information representing the position of the microphone transmitter calculated based on the sound information to the receiver together with voice information, using the transmitter circuit means, and the receiver is connected to the transmitter from the transmitter.
- the position recognition means for recognizing the standing position based on the transmitted position information and the sound output for each of the plurality of speakers are made different from each other, thereby corresponding to the standing position.
- Surrounding means for controlling the position of the sound image is realized by using the receiving-side circuit means.
- the standing position of the speaker having the transmitter that is, the sound source position is specified based on the position information from the position information transmitters installed in several places in advance, and the reception is performed accordingly.
- the sound image position on the playback side it is possible to provide a wireless microphone technology that can realize a stable and highly accurate surround effect that is not easily affected by the environment, such as the position of transmitters and receivers and radio wave conditions. It becomes possible.
- the transfer unit of the microphone transmitter calculates the position of the microphone transmitter based on the received position information and transfers the calculated position to the receiver together with audio information. It is characterized by doing.
- the transmitter position calculation based on the position information of the position information transmitter power is performed on the microphone transmitter side.
- the microphone transmitter side In addition to being excellent in terms of manufacturing cost, reliability, volume, and weight, it is easy to carry even when the system is changed! / It becomes easy to deal with by modifying only the microphone transmitter.
- the transfer unit of the microphone transmitter transfers the received position information as it is together with voice information to the receiver
- the position recognition unit of the receiver includes: The position of the microphone transmitter is calculated based on the received position information.
- the position information transmitter is a modulator that outputs an output of an UP (scan) converter that is controlled by a CPU by a VCO (voltage control transmitter) according to position information stored in advance. And it is characterized by transmitting through the Rf amplifier.
- the present invention can be made cheaper by using a position information transmitter that operates stably with high accuracy by a simple configuration using a CPU, a VCO, an UP converter, a modulator, and an Rf amplifier. It can be implemented easily and effectively.
- the microphone transmitter includes a position information detection reception system and a microphone transmission system that share information with a CPU and share a transmission / reception antenna with an antenna duplexer.
- the information detection receiving system includes an Rf amplifier, a CPU power VCO (voltage control transmitter), and a DOWN (scan) converter that controls the position information signal received via the antenna duplexer.
- the position information and RSSI are provided to the CPU by processing with at least one of the decoder and the demodulator, and the CPU determines the position of the microphone transmitter from the position information and RSSI.
- the microphone transmission system calculates the input of the microphone power, the microphone amplifier, the AZD converter, the modulator, and the CPU sends a VCO (voltage control transmission). And UP (scan) converter controlled by a), characterized in that the addition of the positional data to the antenna mosquitoes ⁇ et transmitted via the antenna duplexer Upon the Rf amplifier, in processes. [0016]
- the reception system for detecting position information and the transmission system for microphone share the CPU together with the information and share the antenna, so that it is compact without waste and at low cost. It becomes possible to realize a simple microphone transmitter.
- each of the above-mentioned receptions corresponding to the signal of each microphone transmitter received by each antenna.
- Distribution means for distributing to each device, and surround synthesis means for generating each speaker channel output based on the audio output and position data for each microphone transmitter from each receiver.
- the standing position can be accurately recognized without mutual interference, while the reception antenna and the multiple surrounds can be used.
- the set of channel speakers can be shared, so that multiple speakers and artists, each with a microphone transmitter, can be placed freely in each other's position, and can be used with low cost and high reliability. An overflowing surround effect can be achieved.
- the receiver is input from the distributing means, and an Rf amplifier, each DOWN (scan) converter controlled by a CPU by a VCO (voltage control oscillator), and a decoding unit. And a signal selected by each of the antennas processed by the receiver, and selected by a predetermined criterion including at least one of a high reception level and a low data error rate.
- the audio signal portion included in the signal is output as an audio output through a DZA conversion unit and an audio amplifier, and the position information obtained from the selected signal is processed as the position data indicating the position of the microphone transmitter through the processing by the CPU. , And is provided to the surround means.
- the diversity effect that uses a signal having a good reception state among a plurality of antennas, eliminates the influence of the radio wave condition, and is stable and highly accurate anytime and anywhere.
- a surround effect can be realized.
- the standing position of the speaker having the transmitter that is, the sound source position is specified based on the position information from the position information transmitters installed in several places in advance, and accordingly, By controlling the position of the sound image on the reception / playback side, it is possible to achieve a stable and highly accurate surround effect that is less susceptible to environmental effects such as the position of the transmitter and receiver and radio wave conditions.
- FIG. 1 is a configuration diagram showing an embodiment of the present invention.
- FIG. 2 is a block diagram showing a configuration of a location information transmitter in the embodiment of the present invention.
- FIG. 3 is a block diagram showing a configuration of a transmitter in the embodiment of the present invention.
- FIG. 4 is a block diagram illustrating an antenna according to an embodiment of the present invention.
- FIG. 5 is a block diagram illustrating a distributor in an embodiment of the present invention.
- FIG. 6 is a block diagram illustrating a receiver in an embodiment of the present invention.
- FIG. 7 is a layout diagram illustrating device layout in a rectangular space in the embodiment of the present invention.
- FIG. 8 is a layout diagram illustrating a device layout of only left and right stereos in the embodiment of the present invention.
- M Microphone transmitter (microphone)
- the present embodiment is a wireless microphone system (hereinafter referred to as “the present system”) as an overall system, the power of an audio transmission / reproduction method using this system, a wireless microphone transmitter as a single unit, an audio transmission method and program, It can also be grasped as a receiver, audio reception / playback method, and program.
- the present system a wireless microphone system
- the present system As an overall system, the power of an audio transmission / reproduction method using this system, a wireless microphone transmitter as a single unit, an audio transmission method and program, It can also be grasped as a receiver, audio reception / playback method, and program.
- this system uses one or more wireless microphone transmitters (P1, P2, ⁇ ⁇ 5) based on the location information transmitted.
- P1, P2, ⁇ ⁇ 5 wireless microphone transmitters
- M M (Ml, ⁇ 2 ⁇ ⁇ ) is used to transmit the position of the transmitter itself to the receiving system RS to achieve the surround effect. is there.
- the receiving system RS further sends each received signal at antennas ⁇ and ⁇ to an antenna divider.
- (Distributor) D distributes to each receiver R (R1, R2-Rn) responsible for each transmitter M (Ml, M2 to Mn), and based on the audio output and position data of each transmitter, Surround
- the circuit S generates the output of each speaker SP (SP1, SP2, SP5).
- each location information transmitter P is installed at a plurality of locations around the stage of the venue where this system is used, and transmits different location information.
- position information the same number of position information transmitters P and speakers can be used, and an identification number corresponding to a single number corresponding to the number at the time of playback can be considered.
- the position information transmitter P as illustrated in Fig. 2, the output from the UP (scan) converter 24, which is controlled by the VCO (voltage control transmitter) 23 by the CPU 22 in accordance with the position information 21 stored in advance. Is configured to transmit via a modulator 25 and an Rf amplifier 26.
- the position of the transmitter M can be specified from the electric field intensity ratio of each frequency, for example.
- Each transmitter M has transmission side circuit means for voice input, modulation, and radio wave transmission / reception, and is used to receive position information transmitted from each position information transmitter P using this transmission side circuit means.
- An information receiving means and a transfer means for transferring the received position information together with audio information to the receiver are realized.
- Each position information is assumed to be accompanied by received signal strength and phase shift such as RSSI obtained at the time of reception and predetermined reception state information.
- each microphone transmitter M shares position information that shares information with the CPU 31 and shares the transmission / reception antenna 33 with the antenna duplexer 32, as illustrated in FIG.
- a detection reception system K1 and a microphone transmission system K2 are provided.
- the system K1 is the position information reception means, and the systems K1 and K2 constitute the transfer means.
- the position information detection receiving system K1 receives the position information signal received from each position information transmitter P via the antenna 33 and the antenna duplexer 32, and the Rf amplifier 341 and CPU 31 receive the VCO (voltage Provided to CPU 31 as position information and R SSI (received signal strength indication signal) by processing with DOWN (scan) converter 361 controlled by 351 and at least one of decoder or demodulator (371)
- the CPU 31 is configured to calculate position data representing the position of the microphone transmitter from the position information and RSSI.
- the microphone transmission system K2 receives input from a microphone (element) 30 from a microphone 38, an AZD converter 39, a modulator 372, and a CPU 31 by a VCO (voltage controlled oscillator) 3 52.
- the UP (scan) converter 362 to be controlled and the Rf amplifier 342 are configured to transmit the position data from the antenna 33 via the antenna duplexer 32 while collecting the position data.
- a plurality of receivers Rl, R2 "-Rn, an antenna divider D, and a surround circuit S corresponding to each of the plurality of microphone transmitters Ml, M2 to Mn constitute the receiving system RS.
- the antenna divider D distributes the signal for each microphone transmitter M received by each antenna AA, AB (for example, FIG. 4) to each corresponding receiver Rl, R2′Rn. 4 may be provided for antenna AA and antenna AB in the form shown in Fig. 5.
- Each receiver R receives the signal sA from the antenna AA and the signal sB from the antenna AB.
- Each receiver R includes reception-side circuit means for radio wave reception, demodulation, and amplification output, and the reception-side circuit means demodulates and outputs the received information power of the received voice.
- the position recognition means for recognizing the standing position of the transmitter M and the sound output for each of the plurality of speakers are different from each other based on the transmitted position information.
- a surround means for controlling the position of the sound image corresponding to the standing position is realized.
- the surround circuit S also constitutes the surround means, and each speaker SP (SP1, SP2 ⁇ ) is based on the audio output and position data of each microphone transmitter M of each receiver R force. This is a surround synthesis means for generating each speaker channel output of SP5).
- each receiver R outputs the standing position of each microphone transmitter M, which is the basis of the surround effect. That is, as illustrated in FIG. 6, each receiver R also receives an antenna divider D force as a distribution means, and each DOWN (scan) controlled by the Rf amplifier 611 and the CPU 62 by the VCO (voltage control oscillator) 63.
- the selection circuit 64 can select any of the predetermined criteria including at least one of a high reception level and a low data error rate.
- the audio signal part included in the selected signal is converted into an audio output through the DZA conversion unit 65 and the audio amplifier 66, and the position information that obtains the signal power selected by the selection circuit 64 is processed by the CPU 62. Then, it is provided to the surround circuit S as position data representing the position of the microphone transmitter M.
- position information transmitters P1, ⁇ 2, ..., ⁇ 7 are installed at several locations near the center and near the wall in a rectangular field, and antennas ⁇ and ⁇ are provided at two locations near the wall.
- the microphone transmitters ⁇ 1 to ⁇ 4 shall be used.
- the location information transmitters P1, ⁇ 2,... ⁇ 7 have radio wave arrival areas indicated by circles and are arranged so that the areas partially overlap each other.
- the transmitter Ml receives only the position information from the position information transmitter P2, so that the standing position is also calculated as near the position information transmitter P2. Also, transmitter M2 receives location information from location information transmitter P1, which slightly strengthens location information from location information transmitter P3. Since the information is received slightly weakly, the standing position is calculated to be slightly closer to the position information transmitter P3 than the position information transmitter P1.
- transmitter M3 since transmitter M3 receives each of the position information from position information transmitters P5 and P6 to the same extent, the standing position is also calculated to be near the middle of position information transmitters P5 and P6. Further, since the transmitter M4 receives only the position information from the position information transmitter P7, its standing position is also calculated to be near the position information transmitter P7.
- the standing position of the speaker having the transmitter that is, the sound source position is specified based on the position information of the position information transmitter power set in several places in advance, and reception is performed accordingly.
- the position calculation of the transmitter based on the position information from the position information transmitter is performed on the microphone transmitter side, thereby reducing the burden on the receiver side and reducing the manufacturing cost.
- the position calculation of the transmitter based on the position information from the position information transmitter is performed on the microphone transmitter side, thereby reducing the burden on the receiver side and reducing the manufacturing cost.
- the position information transmitter operates stably with high accuracy by a simple configuration using a CPU, VC 0, UP converter, modulator, and Rf amplifier.
- the present invention can be implemented easily and effectively at a low cost.
- the reception system for detecting position information and the transmission system for microphone share a CPU together with information, and an antenna is also used. By sharing, it is possible to realize a compact microphone transmitter at low cost without waste.
- Saratoko can recognize the standing position accurately without mutual interference by using a dedicated receiver corresponding to each of the plurality of microphone transmitters.
- a set of multi-channel speakers for receiving antenna and surround can be shared, so that multiple speakers or artists with microphone transmitters and wearers can freely stand each other. , Full of realism at low cost and high reliability The surround effect can be demonstrated.
- the diversity effect using a signal having a superior reception state among a plurality of antennas eliminates the influence of the radio wave condition and is stable anytime and anywhere. Thus, a highly accurate surround effect can be realized.
- the present invention is not limited to the above-described embodiment, but includes other embodiments including those exemplified below and others.
- the position of the microphone transmitter itself is calculated and then transferred to the receiver together with the audio information.
- An example of force is received by the microphone transmitter, and the raw position information with reception status information is transferred to the receiver as it is together with the voice information, and the position of the transmitter is calculated on the receiver side based on it. It may be.
- the surround circuit S can serve as a surround means.
- the receiver R can also be configured as a single unit with the surround circuit S. It is.
- FIG. 1 and 7 an example in which three or more position information transmitters P are arranged in a two-dimensional space such as a rectangular venue is shown. As shown in the figure, an example in which only the left and right stereo positions are calculated using at least two position information transmitters PR and PL or realized by the surround effect is also an embodiment of the present invention.
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Stereophonic System (AREA)
- Circuit For Audible Band Transducer (AREA)
- Transmitters (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
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JP2004241472A JP4705349B2 (ja) | 2004-08-20 | 2004-08-20 | ワイヤレスマイクシステム、音声伝送再生方法、ワイヤレスマイク送信機、音声送信方法及びプログラム |
JP2004-241472 | 2004-08-20 |
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WO2006019122A1 true WO2006019122A1 (ja) | 2006-02-23 |
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PCT/JP2005/015026 WO2006019122A1 (ja) | 2004-08-20 | 2005-08-17 | ワイヤレスマイクシステム、音声伝送再生方法、ワイヤレスマイク送信機、音声送信方法及びプログラム、受信機、音声受信再生方法及びプログラム |
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WO (1) | WO2006019122A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9641952B2 (en) | 2011-05-09 | 2017-05-02 | Dts, Inc. | Room characterization and correction for multi-channel audio |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US8462627B2 (en) | 2005-12-30 | 2013-06-11 | Altec Lansing Australia Pty Ltd | Media data transfer in a network environment |
US7539889B2 (en) | 2005-12-30 | 2009-05-26 | Avega Systems Pty Ltd | Media data synchronization in a wireless network |
KR101674187B1 (ko) * | 2015-06-11 | 2016-11-09 | 서울과학기술대학교 산학협력단 | 광대역 보간법을 위한 입체음향 획득 장치 및 그 방법 |
JP7089392B2 (ja) * | 2018-04-02 | 2022-06-22 | 株式会社タムラ製作所 | ワイヤレスマイクシステム |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH042928A (ja) * | 1990-04-19 | 1992-01-07 | Matsushita Electric Ind Co Ltd | 音場制御装置 |
JPH0560854A (ja) * | 1991-06-27 | 1993-03-12 | Ricoh Co Ltd | 発信機位置測定システム及び送信方法並びに受信方法 |
JPH05264712A (ja) * | 1992-03-23 | 1993-10-12 | Clarion Co Ltd | 送信位置特定システム |
JPH06318087A (ja) * | 1993-05-07 | 1994-11-15 | Mitsui Constr Co Ltd | 舞台用音響制御方法と装置 |
JPH07288512A (ja) * | 1994-04-15 | 1995-10-31 | Matsushita Electric Ind Co Ltd | ワイヤレスマイク装置 |
JPH08148U (ja) * | 1983-12-14 | 1996-01-23 | ドイツチエ ポスト ルントフンクーウント フエルンゼ−テヘニツシエス ツエントラルアムト | 広域音響増強装置 |
JP2000244421A (ja) * | 1999-02-23 | 2000-09-08 | Matsushita Electric Ind Co Ltd | 無線通信装置、無線通信装置の受信方法および記録媒体 |
JP2000308198A (ja) * | 1999-02-16 | 2000-11-02 | Gm & M:Kk | 補聴器 |
JP2003069557A (ja) * | 2001-08-24 | 2003-03-07 | Nagano Fujitsu Component Kk | 暗号化方法、通信システム、送信装置、データ入力装置 |
JP2003298433A (ja) * | 2002-04-04 | 2003-10-17 | Matsushita Electric Ind Co Ltd | ワイヤレスマイクロホン |
JP2004227384A (ja) * | 2003-01-24 | 2004-08-12 | Kinds Kk | 位置移動警報システム |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2806339B2 (ja) * | 1996-01-26 | 1998-09-30 | 日本電気株式会社 | 位置情報収集システム |
JP2001086046A (ja) * | 1999-09-09 | 2001-03-30 | Nec Corp | カメラ付き携帯電話装置 |
JP2002044778A (ja) * | 2000-07-28 | 2002-02-08 | Yamaha Corp | マイクロフォン、マイクロフォンアダプタ、表示装置、ミキサ、拡声システムおよび拡声方法 |
JP2002303666A (ja) * | 2001-04-05 | 2002-10-18 | Nippon Hoso Kyokai <Nhk> | マイクロホン装置及び位置検出システム |
GB0402952D0 (en) * | 2004-02-11 | 2004-03-17 | Koninkl Philips Electronics Nv | Remote control system and related method and apparatus |
-
2004
- 2004-08-20 JP JP2004241472A patent/JP4705349B2/ja not_active Expired - Fee Related
-
2005
- 2005-08-17 WO PCT/JP2005/015026 patent/WO2006019122A1/ja active Application Filing
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08148U (ja) * | 1983-12-14 | 1996-01-23 | ドイツチエ ポスト ルントフンクーウント フエルンゼ−テヘニツシエス ツエントラルアムト | 広域音響増強装置 |
JPH042928A (ja) * | 1990-04-19 | 1992-01-07 | Matsushita Electric Ind Co Ltd | 音場制御装置 |
JPH0560854A (ja) * | 1991-06-27 | 1993-03-12 | Ricoh Co Ltd | 発信機位置測定システム及び送信方法並びに受信方法 |
JPH05264712A (ja) * | 1992-03-23 | 1993-10-12 | Clarion Co Ltd | 送信位置特定システム |
JPH06318087A (ja) * | 1993-05-07 | 1994-11-15 | Mitsui Constr Co Ltd | 舞台用音響制御方法と装置 |
JPH07288512A (ja) * | 1994-04-15 | 1995-10-31 | Matsushita Electric Ind Co Ltd | ワイヤレスマイク装置 |
JP2000308198A (ja) * | 1999-02-16 | 2000-11-02 | Gm & M:Kk | 補聴器 |
JP2000244421A (ja) * | 1999-02-23 | 2000-09-08 | Matsushita Electric Ind Co Ltd | 無線通信装置、無線通信装置の受信方法および記録媒体 |
JP2003069557A (ja) * | 2001-08-24 | 2003-03-07 | Nagano Fujitsu Component Kk | 暗号化方法、通信システム、送信装置、データ入力装置 |
JP2003298433A (ja) * | 2002-04-04 | 2003-10-17 | Matsushita Electric Ind Co Ltd | ワイヤレスマイクロホン |
JP2004227384A (ja) * | 2003-01-24 | 2004-08-12 | Kinds Kk | 位置移動警報システム |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9641952B2 (en) | 2011-05-09 | 2017-05-02 | Dts, Inc. | Room characterization and correction for multi-channel audio |
Also Published As
Publication number | Publication date |
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JP2006060615A (ja) | 2006-03-02 |
JP4705349B2 (ja) | 2011-06-22 |
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