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    • 3. 发明申请
    • RECORDING AND REPRODUCING DEVICE FOR MULTIPLE-SPEED REPRODUCTION
    • 用于多速再现的记录和再现装置
    • WO00000973A2
    • 2000-01-06
    • PCT/IB1999/001186
    • 1999-06-24
    • G11B5/008G11B15/12G11B15/18G11B15/467G11B20/12G11B27/00G11B27/30H04N5/7826H04N5/783H04N5/92H04N9/804H04N9/82
    • H04N5/783G11B5/0086G11B15/125G11B15/1875G11B15/4673G11B20/1208G11B27/005G11B27/3063G11B2220/90H04N5/78263H04N9/8042H04N9/8227
    • A recording and reproducing device (1) comprises recording means (4) which include at least two magnetic heads (A, B), mounted on a rotatably supported head disc (14) and having Z different azimuth angles, for the recording of recording data (AD) in helical recording tracks (S) on a magnetic tape (12), a part of the recording data (AD) being recordable as information data (ID) in an information data recording area (SC) of each helical recording track (S), which recording area is always the same as regards its position in a helical recording track (S), and comprises reproducing means (5) for reproducing at a maximum N-fold reproducing speed information data (ID) recorded on a magnetic tape (12), each of the at least two magnetic heads (A, B) being capable of scanning a helical reproducing track (W) which traverses N helical recording tracks (S), which device now further comprises partitioning means (35) for partitioning additional data (ZU) into K=(N*Z)-1 partitions of information data (ID) which can each be recorded in an information data recording area (SC), the recording means (4) being adapted to at least K times record the K partitions of information data (ID), which can each be recorded in an information data recording area (SC) of a helical recording track (S), in total in at least K * K information data recording areas (SC) of at least K * K helical recording tracks (S).
    • 记录和再现装置(1)包括记录装置(4),其包括安装在可旋转支撑的头盘(14)上并具有Z个不同方位角的至少两个磁头(A,B),用于记录数据 (AD)在磁带(12)上的螺旋记录轨道(S)中的一部分,记录数据(AD)的一部分可作为信息数据(ID)记录在每个螺旋记录轨道的信息数据记录区域(SC)中 S),其记录区域总是与其在螺旋记录轨道(S)中的位置相同,并且包括用于以记录在磁带上的最大N倍重放速度信息数据(ID)再现的再现装置(5) (12)中,所述至少两个磁头(A,B)中的每一个能够扫描穿过N个螺旋记录轨道(S)的螺旋形再现轨迹(W),该装置现在还包括用于分割的分隔装置(35) 附加数据(ZU)成K =(N * Z)-1分区的信息数据 (ID),其可以分别记录在信息数据记录区域(SC)中,所述记录装置(4)适于至少记录K次记录信息数据(ID)的K个分区,其可以记录在信息 至少K * K个螺旋形记录磁道(S)的至少K * K个信息数据记录区域(SC)中的螺旋式记录磁道(S)的数据记录区域(SC)。
    • 8. 发明申请
    • RECORDING AND REPRODUCING DEVICE FOR MULTIPLE-SPEED REPRODUCTION
    • 记录和复制装置以实现多速复制
    • WO0000973A3
    • 2000-04-27
    • PCT/IB9901186
    • 1999-06-24
    • KONINKL PHILIPS ELECTRONICS NVPHILIPS SVENSKA AB
    • VAN HUSEN GUENTHER
    • G11B5/008G11B15/12G11B15/18G11B15/467G11B20/12G11B27/00G11B27/30H04N5/7826H04N5/783H04N5/92H04N9/804H04N9/82
    • H04N5/783G11B5/0086G11B15/125G11B15/1875G11B15/4673G11B20/1208G11B27/005G11B27/3063G11B2220/90H04N5/78263H04N9/8042H04N9/8227
    • A recording and reproducing device (1) comprises recording means (4) which include at least two magnetic heads (A, B), mounted on a rotatably supported head disc (14) and having Z different azimuth angles, for the recording of recording data (AD) in helical recording tracks (S) on a magnetic tape (12), a part of the recording data (AD) being recordable as information data (ID) in an information data recording area (SC) of each helical recording track (S), which recording area is always the same as regards its position in a helical recording track (S), and comprises reproducing means (5) for reproducing at a maximum N-fold reproducing speed information data (ID) recorded on a magnetic tape (12), each of the at least two magnetic heads (A, B) being capable of scanning a helical reproducing track (W) which traverses N helical recording tracks (S), which device now further comprises partitioning means (35) for partitioning additional data (ZU) into K=(N*Z)-1 partitions of information data (ID) which can each be recorded in an information data recording area (SC), the recording means (4) being adapted to at least K times record the K partitions of information data (ID), which can each be recorded in an information data recording area (SC) of a helical recording track (S), in total in at least K * K information data recording areas (SC) of at least K * K helical recording tracks (S).
    • 一种记录和再现设备(1)包括记录装置(4),该记录装置包括安装在可旋转支撑的磁头盘(14)上并具有Z个不同方位角的至少两个磁头(A,B),用于记录记录数据 (AD)记录在磁带(12)上的螺旋记录道(S)中,记录数据(AD)的一部分可作为信息数据(ID)记录在每个螺旋记录道(SC)的信息数据记录区 S),该记录区域在螺旋记录磁道(S)中的位置总是相同的,并且包括用于以记录在磁带上的最大N倍重放速度信息数据(ID)重放的重放装置(5) (12)中,至少两个磁头(A,B)中的每一个能够扫描穿过N个螺旋记录磁道(S)的螺旋再生磁道(W),该设备现在还包括分区装置(35) 附加数据(ZU)分解成K =(N * Z)-1个信息数据分区 (ID),每个记录装置可以记录在信息数据记录区(SC)中,记录装置(4)适于至少K次记录信息数据(ID)的K个分区,每个K分区可以记录在信息 至少K * K个螺旋记录轨道(S)的K * K个信息数据记录区域(SC)中,总共有一个螺旋记录轨道(S)的数据记录区域(SC)。