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公开(公告)号：DE69920651D1
公开(公告)日：2004-11-04
申请号：DE69920651
申请日：1999-12-23
Applicant: SONY CORP
Inventor： MORI HIROYA , KOTANI YASUTAKA , IESAKA KAZUYUKI , OSABE HISAO , KIMURA MASANORI
IPC: G11B5/008 , G11B5/02 , G11B20/10 , G11B15/18 , G11B15/467 , G11B20/12 , H04N5/77 , H04N5/7826 , H04N9/79 , G11B5/09
Abstract: A magnetic recording device and method, a magnetic reproduction device and method and a tape recording medium of improved performance are disclosed. Tracks are formed successively and obliquely along the longitudinal direction of a second magnetic tape having a width wider than a first magnetic tape and recording data is continuously recorded for at least two tracks of a digital recording format on each formed track, with each formed track being formed at a predetermined track pitch set based on the recording time and the reproduction signal characteristic. Thereby, recording data based on a digital recording format for application to the first magnetic tape can exhibit a sufficient C/N ratio and be recorded on the second magnetic tape for a long time.
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公开(公告)号：DE69420484T2
公开(公告)日：1999-12-23
申请号：DE69420484
申请日：1994-02-03
Applicant: SONY CORP
Inventor： KIMURA MASANORI , OGURO MASAKI
Abstract: This apparatus comprises means for extracting at least the prefixed part of a text broadcasting information transmitted by use of the vertical blanking period of television signals; means for designating desired text information of the text information transmitted by the text broadcasting; means for separating only the desired text information according to the information recognized by the recognizing means; means for recording the desired text information thus separated; means for reproducing the recorded text information; and means for outputting the reproduced text information by inserting it into the given lines within the period of the vertical blanking.
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公开(公告)号：DE69420484D1
公开(公告)日：1999-10-14
申请号：DE69420484
申请日：1994-02-03
Applicant: SONY CORP
Inventor： KIMURA MASANORI , OGURO MASAKI
Abstract: This apparatus comprises means for extracting at least the prefixed part of a text broadcasting information transmitted by use of the vertical blanking period of television signals; means for designating desired text information of the text information transmitted by the text broadcasting; means for separating only the desired text information according to the information recognized by the recognizing means; means for recording the desired text information thus separated; means for reproducing the recorded text information; and means for outputting the reproduced text information by inserting it into the given lines within the period of the vertical blanking.
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公开(公告)号：DE69415857D1
公开(公告)日：1999-02-25
申请号：DE69415857
申请日：1994-05-06
Applicant: SONY CORP
Inventor： KIMURA MASANORI , OGURO MASAKI
IPC: G10H1/36 , G11B27/10 , G11B27/30 , G11B27/34 , H04N5/445 , H04N5/46 , H04N5/775 , H04N5/92 , H04N5/926 , H04N9/82 , H04N5/782 , G10H1/00
Abstract: An apparatus and method for recording digital video and audio data on a record medium receives digital video and audio data and topic data having identifying topics, and generates menu data in accordance with those identifying topics. The video and audio data, topic data and menu data are recorded on a record medium in the form of a coded signal having a recording format comprising respective video, audio and subcode areas in which the video data, the audio data and the menu data, respectively, are provided. The video and audio areas have respective auxiliary areas in which the topic data is provided. In addition, auxiliary character data is generated when character information is received by a teletext broadcast system and recorded in the auxiliary areas of the video and audio areas of each track.
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公开(公告)号：DE69415857T2
公开(公告)日：1999-06-17
申请号：DE69415857
申请日：1994-05-06
Applicant: SONY CORP
Inventor： KIMURA MASANORI , OGURO MASAKI
IPC: G10H1/36 , G11B27/10 , G11B27/30 , G11B27/34 , H04N5/445 , H04N5/46 , H04N5/775 , H04N5/92 , H04N5/926 , H04N9/82 , H04N5/782 , G10H1/00
Abstract: An apparatus and method for recording digital video and audio data on a record medium receives digital video and audio data and topic data having identifying topics, and generates menu data in accordance with those identifying topics. The video and audio data, topic data and menu data are recorded on a record medium in the form of a coded signal having a recording format comprising respective video, audio and subcode areas in which the video data, the audio data and the menu data, respectively, are provided. The video and audio areas have respective auxiliary areas in which the topic data is provided. In addition, auxiliary character data is generated when character information is received by a teletext broadcast system and recorded in the auxiliary areas of the video and audio areas of each track.
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Patent Agency Ranking
公开(公告)号：MY121826A
公开(公告)日：2006-02-28
申请号：MYPI9905665
申请日：1999-12-22
Applicant: SONY CORP
Inventor： MORI HIROYA , KOTANI YASUTAKA , IESABE KAZUYUKI , KIMURA MASANORI , OSABE HISAO
IPC: G11B5/008 , G11B20/10 , G11B5/02 , H04N5/926 , G11B15/18 , G11B15/467 , G11B20/12 , H04N5/77 , H04N5/7826 , H04N9/79
Abstract: IN A MAGNETIC RECORDING DEVICE AND METHOD, A MAGNETIC REPRODUCTION METHOD AND ITS METHOD AND A TAPE RECORDING MEDIUM, THE PERFORMANCE CAN BE IMPROVED. IN THE CASE OF SUCCESSIVELY AND OBLIQUELY FORMING TRACKS (13) ALONG THE LONGITUDINAL DIRECTION OF A SECOND MAGNETIC TAPE (23) HAVING A WIDTH WIDER THAN A FIRST MAGNETIC TAPE (5) AND CONTINUOUSLY RECORDING DATA FOR AT LEAST TWO TRACKS IN A DIGITAL RECORDING FORMAT ON EACH TRACK, EACH TRACK IS TO BE FORMED AT A PREDETERMINED TRACK PITCH SET BASED ON THE RECORDING TIME AND THE REPRODUCTION SIGNAL CHARACTERISTIC. THEREBY, RECORDING DATA BASED ON THE DIGITAL RECORDING FORMAT WHICH IS APPLIED TO THE FIRST MAGNETIC TAPE (5) CAN KEEP A PRACTICALLY SUFFICIENT C/N RATIO AND CAN BE RECORDED ON THE SECOND MAGNETIC TAPE (23) FOR A LONG TIME. AND THUS, A MAGNETIC RECORDING DEVICE AND METHOD, A MAGNETIC REPRODUCTION DEVICE AND METHOD, AND A TAPE RECORDING MEDIUM CAPABLE OF IMPROVING THE PERFORMANCE CAN BE REALIZED.
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公开(公告)号：DE69920651T2
公开(公告)日：2005-10-06
申请号：DE69920651
申请日：1999-12-23
Applicant: SONY CORP
Inventor： MORI HIROYA , KOTANI YASUTAKA , IESAKA KAZUYUKI , OSABE HISAO , KIMURA MASANORI
IPC: G11B5/008 , G11B5/02 , G11B20/10 , G11B15/18 , G11B15/467 , G11B20/12 , H04N5/77 , H04N5/7826 , H04N9/79 , G11B5/09
Abstract: A magnetic recording device and method, a magnetic reproduction device and method and a tape recording medium of improved performance are disclosed. Tracks are formed successively and obliquely along the longitudinal direction of a second magnetic tape having a width wider than a first magnetic tape and recording data is continuously recorded for at least two tracks of a digital recording format on each formed track, with each formed track being formed at a predetermined track pitch set based on the recording time and the reproduction signal characteristic. Thereby, recording data based on a digital recording format for application to the first magnetic tape can exhibit a sufficient C/N ratio and be recorded on the second magnetic tape for a long time.
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公开(公告)号：JP2000207706A
公开(公告)日：2000-07-28
申请号：JP697599
申请日：1999-01-13
Applicant: SONY CORP
Inventor： KIKO SHINKO , ENDO JUNYA , KOTANI YASUTAKA , YASAKA KAZUYUKI , OSABE HISAO , KIMURA MASANORI
Abstract: PROBLEM TO BE SOLVED: To provide a digital signal and/or analog signal recording and/or reproducing magnetic head and a magnetic recording and reproducing device using the magnetic head at a low cost with a simple constitution. SOLUTION: This is a magnetic head for recording and/or reproducing a digital signal and/or an analog signal recorded in a magnetic recording medium for recording the digital signal and/or the analog signal. In this case, an azimuth angle formed in a gap 33 of a magnetic head 21 is set so as to be almost 10 deg. in the magnetic head 21.
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公开(公告)号：JPH11306692A
公开(公告)日：1999-11-05
申请号：JP10794898
申请日：1998-04-17
Applicant: SONY CORP
Inventor： SATO NAOYUKI , YASAKA KAZUYUKI , KIMURA MASANORI
Abstract: PROBLEM TO BE SOLVED: To enable preventing deterioration of an error rate by removing difference between an optimum adjustment value of CLK (clock) delay of PLL and an optimum adjustment value of a phase of integration equalization. SOLUTION: An integration equalization circuit 2 integration-equalizes a reproduced RF signal from a magnetic tape. A PLL circuit 7 extracts a CLK clock being a reference of A/D conversion in an A/D conversion circuit 4 from a reproduced RF signal, a CLK error circuit 5 detects an error (CLK error) of its CLK clock. A C1 error circuit 8 detects a C1 error from a digital signal after A/D conversion. A microcomputer 6 and a voltage generating circuit 9 performs CLK delay adjustment of the PLL circuit T based on a CLK error, while performs phase adjustment of an integration equalization circuit 2 based on a C1 error.
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公开(公告)号：JP2000182229A
公开(公告)日：2000-06-30
申请号：JP35773798
申请日：1998-12-16
Applicant: SONY CORP
Inventor： KOGURE ISAO , KOTANI YASUTAKA , YASAKA KAZUYUKI , KIMURA MASANORI , TAKEDA KEIKO , OSABE HISAO
Abstract: PROBLEM TO BE SOLVED: To make it possible to reproduce information recorded in two recording systems by setting a gap width of a magnetic head to a value wider than a 1st track width in accordance with a 1st recording system and smaller than a 2nd track width in accordance with a 2nd recording system. SOLUTION: To enable this device to record and reproduce a video audio signal on an 8 mm video tape in a digital 8 mm system and be also practical enough to reproduce an video audio signal of an analog 8 mm system recorded on an 8 mm video tape, a gap width GpW of magnetic heads 12A, 12B is selected to be 19-29 μm, a value near the gap width GpW (= 20.5 μm) from which the highest C/N can be obtained in the analog 8 mm system. In such a manner, a sufficient reproducing output is obtained when a video audio signal recorded in the analog 8 mm system is reproduced, and also sufficient C/N can be obtained in practice also when a video audio signal recorded in the digital 8 mm system is reproduced.
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