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公开(公告)号：AT101743T
公开(公告)日：1994-03-15
申请号：AT88907357
申请日：1988-08-19
Applicant: SONY CORP
Inventor： TSUKAMURA YOSHIHIRO , OGAWA MASATAKA , KOBAYASHI SEIJI
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公开(公告)号：DE68917261D1
公开(公告)日：1994-09-08
申请号：DE68917261
申请日：1989-11-06
Applicant: SONY CORP
Inventor： SUMIHIRO HIROSHI , OGAWA MASATAKA
Abstract: A disk-shaped recording medium has a control record region in each recording region of successive recording tracks and which is divided into a first preformat region, a second preformat region and a focusing servo region arranged in succession in the direction along the respective track and respectively providing traverse data, tracking and clock data, and focusing servo data. An apparatus for reproducing data recorded in the tracks of such disk-shaped recording medium samples a playback output from an optical head scanning a track to detect focusing data from the focusing servo region and tracking data from the second preformat region and, in response thereto, applies focusing servo or tracking servo to the optical head. Further, traverse data is detected in the first preformat region to effect traverse counting of the recording tracks.
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公开(公告)号：DE68917261T2
公开(公告)日：1995-01-19
申请号：DE68917261
申请日：1989-11-06
Applicant: SONY CORP
Inventor： SUMIHIRO HIROSHI , OGAWA MASATAKA
Abstract: A disk-shaped recording medium has a control record region in each recording region of successive recording tracks and which is divided into a first preformat region, a second preformat region and a focusing servo region arranged in succession in the direction along the respective track and respectively providing traverse data, tracking and clock data, and focusing servo data. An apparatus for reproducing data recorded in the tracks of such disk-shaped recording medium samples a playback output from an optical head scanning a track to detect focusing data from the focusing servo region and tracking data from the second preformat region and, in response thereto, applies focusing servo or tracking servo to the optical head. Further, traverse data is detected in the first preformat region to effect traverse counting of the recording tracks.
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公开(公告)号：DE3887906T2
公开(公告)日：1994-09-01
申请号：DE3887906
申请日：1988-08-19
Applicant: SONY CORP
Inventor： TSUKAMURA YOSHIHIRO , OGAWA MASATAKA , KOBAYASHI SEIJI
IPC: G01Q80/00 , G11B7/00 , G11B7/004 , G11B7/007 , G11B7/013 , G11B7/085 , G11B7/09 , G11B7/24 , G11B11/10 , G11B11/105 , G11B20/12 , G11B27/19 , G11B27/24 , G11B27/30
Abstract: A disk-like recording medium is provided with recording tracks (TK), each of which includes recording sectors (SC1, SC2, ---, SCm). Each of the recording sectors includes a recording region (ARC) for control and a subsequent region (ARD) for writing data. The invention further deals with a disk apparatus using the disk-like recording medium. In the recording region (ARC) for control of the disk-like recording medium are provided a clock data pit (QB), a pair of tracking data pits (QA, QC) positioned inside and outside a track center line (KC) being separated at a predetermined distance from the clock data pit (QB), and a pair of traverse data pits (QD, QE) being separated from each other at a distance allotted depending upon the recording tracks (TK). In recording or reproducing the data using a light beam, the clocks are reliably reproduced under a stable tracking condition, and traverses can be counted.
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公开(公告)号：AT109583T
公开(公告)日：1994-08-15
申请号：AT89311455
申请日：1989-11-06
Applicant: SONY CORP
Inventor： SUMIHIRO HIROSHI , OGAWA MASATAKA
Abstract: A disk-shaped recording medium has a control record region in each recording region of successive recording tracks and which is divided into a first preformat region, a second preformat region and a focusing servo region arranged in succession in the direction along the respective track and respectively providing traverse data, tracking and clock data, and focusing servo data. An apparatus for reproducing data recorded in the tracks of such disk-shaped recording medium samples a playback output from an optical head scanning a track to detect focusing data from the focusing servo region and tracking data from the second preformat region and, in response thereto, applies focusing servo or tracking servo to the optical head. Further, traverse data is detected in the first preformat region to effect traverse counting of the recording tracks.
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Patent Agency Ranking
公开(公告)号：DE3887906D1
公开(公告)日：1994-03-24
申请号：DE3887906
申请日：1988-08-19
Applicant: SONY CORP
Inventor： TSUKAMURA YOSHIHIRO , OGAWA MASATAKA , KOBAYASHI SEIJI
IPC: G01Q80/00 , G11B7/00 , G11B7/004 , G11B7/007 , G11B7/013 , G11B7/085 , G11B7/09 , G11B7/24 , G11B11/10 , G11B11/105 , G11B20/12 , G11B27/19 , G11B27/24 , G11B27/30
Abstract: A disk-like recording medium is provided with recording tracks (TK), each of which includes recording sectors (SC1, SC2, ---, SCm). Each of the recording sectors includes a recording region (ARC) for control and a subsequent region (ARD) for writing data. The invention further deals with a disk apparatus using the disk-like recording medium. In the recording region (ARC) for control of the disk-like recording medium are provided a clock data pit (QB), a pair of tracking data pits (QA, QC) positioned inside and outside a track center line (KC) being separated at a predetermined distance from the clock data pit (QB), and a pair of traverse data pits (QD, QE) being separated from each other at a distance allotted depending upon the recording tracks (TK). In recording or reproducing the data using a light beam, the clocks are reliably reproduced under a stable tracking condition, and traverses can be counted.
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公开(公告)号：AU621681B2
公开(公告)日：1992-03-19
申请号：AU4446989
申请日：1989-11-08
Applicant: SONY CORP
Inventor： OGAWA MASATAKA , SUMIHIRO HIROSHI
Abstract: A disk-shaped recording medium has a control record region in each recording region of successive recording tracks and which is divided into a first preformat region, a second preformat region and a focusing servo region arranged in succession in the direction along the respective track and respectively providing traverse data, tracking and clock data, and focusing servo data. An apparatus for reproducing data recorded in the tracks of such disk-shaped recording medium samples a playback output from an optical head scanning a track to detect focusing data from the focusing servo region and tracking data from the second preformat region and, in response thereto, applies focusing servo or tracking servo to the optical head. Further, traverse data is detected in the first preformat region to effect traverse counting of the recording tracks.
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公开(公告)号：CA2002601A1
公开(公告)日：1990-05-10
申请号：CA2002601
申请日：1989-11-09
Applicant: SONY CORP
Inventor： SUMIHIRO HIROSHI , OGAWA MASATAKA
Abstract: A disk-shaped recording medium has a control record region in each recording region of successive recording tracks and which is divided into a first preformat region, a second preformat region and a focusing servo region arranged in succession in the direction along the respective track and respectively providing traverse data, tracking and clock data, and focusing servo data. An apparatus for reproducing data recorded in the tracks of such disk-shaped recording medium samples a playback output from an optical head scanning a track to detect focusing data from the focusing servo region and tracking data from the second preformat region and, in response thereto, applies focusing servo or tracking servo to the optical head. Further, traverse data is detected in the first preformat region to effect traverse counting of the recording tracks.
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公开(公告)号：JP2002271362A
公开(公告)日：2002-09-20
申请号：JP2001066755
申请日：2001-03-09
Applicant: SONY CORP
Inventor： OKAWA YOSHIHIRO , OGAWA MASATAKA , SEKIGUCHI YUJI , TAKEDA RITSU , FUKUTANI AKITO , KUNITO YOSHIYUKI
IPC: H04L12/46 , G06F13/00 , H04L12/28 , H04L12/44 , H04L29/06 , H04N5/44 , H04N7/24 , H04N21/41 , H04N21/436 , H04Q9/00 , H04W40/00 , H04W84/10 , H04W84/12 , H04W92/08
Abstract: PROBLEM TO BE SOLVED: To provide a router device which enables connection of an analog device to a network with a simple structure. SOLUTION: Infrared rays corresponding to signals for operating a video recorder 102 are emitted from the router device 101 toward the video recorder 102 in response to the requirements of personal computers 103-106 which are connected to the router device 101. The analog signals which are inputted from the video recorder 102 into the router device 101 according to the operations are converted into digital signals by the router device 101. The converted digital signals are outputted from the router device 101 into the personal computers 103-106 which output sounds and display images.
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公开(公告)号：JPH07114744A
公开(公告)日：1995-05-02
申请号：JP26006193
申请日：1993-10-18
Applicant: SONY CORP
Inventor： OGAWA MASATAKA
IPC: G11B7/095
Abstract: PURPOSE:To prevent the quantity of polarization from being changed by performing a sample servo with servo pit grooves arranged alternately at every prescribed number of tracks on each track of a servo area and a data area arranged radially. CONSTITUTION:A next track TRn+1 is provided in the direction of a disk inner peripheral from an arbitrary track TRn. Pits P1, P2, P3 are formed on the left side of a part of the track TRn. The pit P2 is formed at the center of the track shown by a solide line and pits P1, P3 are formed by being shifted from the center of the track by a quater of a pitch and a groove Gr is formed so that the center of the longitudinal direction of the groove coincides with the center of the track. Moreover, pits P1, P2, P3 are formed on the right side of the one part of the track TRn+1 and the pit P2 is formed at the center of the track and pits P1, P3 are formed by being shifted from the center of the track by a quater of the pitch and the groove is also formed in the same way. Tracks in which positions of pits P1 to P3 and grooves are changed at every track are formed and then the quantity of polarization is prevented from being changed.
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