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    • 2. 发明授权
    • Apparatus and methods for transmitting compressed digital data from
recording or reproducing apparatus
    • 用于从记录或再现装置发送压缩数字数据的装置和方法
    • US5841937A
    • 1998-11-24
    • US388492
    • 1995-02-14
    • Hisato ShimaHiroyuki Ishimaru
    • Hisato ShimaHiroyuki Ishimaru
    • G11B20/10H04J3/00H04N5/7826H04N5/919H04N9/804H04N9/806H04N9/82H04N5/926H04N5/775H04N5/91H04N9/79
    • H04N9/8042H04N9/8063H04N5/78266H04N5/919H04N9/8244
    • Apparatus and methods are provided for recording and reproducing digital image data. In a reproducing apparatus, two tracks of digital image data are simultaneously reproduced in a high definition mode of operation, while in a standard definition mode of operation only a single track of data is reproduced at a given time. In the high definition mode of operation, the data reproduced from the two tracks simultaneously are time-division multiplexed and supplied in multiplexed form to a digital interface for transmission to another apparatus, such as a recording apparatus for dubbing. In a recording apparatus, operating in a high definition mode digital image data is recorded simultaneously in two tracks on tape. In one embodiment, the data to be recorded is also multiplexed time-divisionally and supplied to a digital interface for transmission, but in a standard definition mode, the data is not multiplexed prior to transmission. In other embodiments, a recording apparatus is supplied with communication circuits for demultiplexing high definition image data received from a transmission line for simultaneously recording first and second portions of the image data in respective tracks on a tape.
    • 提供了用于记录和再现数字图像数据的装置和方法。 在再现装置中,数字图像数据的两个轨道以高清晰度操作模式同时再现,而在标准清晰度操作模式中,在给定时间仅再现单个数据轨迹。 在高清晰度操作模式中,从两个轨道同时再现的数据被时分复用并以多路复用形式提供给数字接口,以传输到诸如用于转录的记录装置等其他装置。 在记录装置中,以高分辨率模式操作数字图像数据同时记录在磁带上的两个轨道中。 在一个实施例中,要记录的数据也被时分复用并提供给数字接口进行传输,但是在标准清晰度模式中,数据在传输之前不被多路复用。 在其他实施例中,为记录装置提供通信电路,用于对从传输线接收的高分辨率图像数据进行解复用,以同时在磁带上的各个磁道中记录图像数据的第一和第二部分。
    • 3. 发明授权
    • Recording medium cartridge with memory circuit employing a hierarchical data structure
    • 具有采用分级数据结构的存储电路的记录介质盒
    • US07263273B2
    • 2007-08-28
    • US11092263
    • 2005-03-29
    • Teruhiko KoriHarumi KawamuraHisato ShimaKazuyuki Ogawa
    • Teruhiko KoriHarumi KawamuraHisato ShimaKazuyuki Ogawa
    • H04N7/00H04N5/91
    • G11B23/08714G11B27/107G11B27/11G11B27/3027G11B27/34G11B2220/655G11B2220/90
    • A recording medium cartridge includes a memory circuit for storing information concerning signals recorded on the recording medium within the cartridge. The information is stored in the memory circuit in the form of a hierarchic data structure which includes a plurality of data packets having a predetermined form and length. Each data packet includes a code indicative of a level in the data structure to which the data packet belongs. At least some of the data packets include data indicative of starting and ending positions on the recording medium of recorded signals which the data packet represents. The hierarchic (or “tree”) data structure facilitates rapid retrieval and reproduction of the signals recorded on the recording medium, particularly when the recording medium is a magnetic tape. The tree structure also facilitates storage of information in connection with recording of additional signals on the recording medium.
    • 记录介质盒包括用于存储关于记录在盒中的记录介质上的信号的信息的存储器电路。 该信息以包括具有预定形式和长度的多个数据分组的分级数据结构的形式存储在存储器电路中。 每个数据分组包括指示数据分组所属的数据结构中的电平的代码。 至少一些数据分组包括表示数据分组表示的记录信号的记录介质上的开始和结束位置的数据。 分级(或“树”)数据结构有助于快速检索和再现记录在记录介质上的信号,特别是当记录介质是磁带时。 树结构还便于与在记录介质上记录附加信号相关联的信息的存储。
    • 7. 发明授权
    • Method for reproducing information from media which incorporate separate memory circuits
    • 用于从包含单独的存储器电路的介质再现信息的方法
    • US06327109B1
    • 2001-12-04
    • US09108149
    • 1998-06-30
    • Teruhiko KoriHarumi KawamuraHisato ShimaKazuyuki Ogawa
    • Teruhiko KoriHarumi KawamuraHisato ShimaKazuyuki Ogawa
    • G11B1518
    • G11B23/08714G11B27/107G11B27/11G11B27/3027G11B27/34G11B2220/655G11B2220/90
    • A recording medium cartridge includes a memory circuit for storing information concerning signals recorded on the recording medium within the cartridge. The information is stored in the memory circuit in the form of a hierarchic data structure which includes a plurality of data packets having a predetermined form and length. Each data packet includes a code indicative of a level in the data structure to which the data packet belongs. At least some of the data packets include data indicative of starting and ending positions on the recording medium of recorded signals which the data packet represents. The hierarchic (or “tree”) data structure facilitates rapid retrieval and reproduction of the signals recorded on the recording medium, particularly when the recording medium is a magnetic tape. The tree structure also facilitates storage of information in connection with recording of additional signals on the recording medium.
    • 记录介质盒包括用于存储关于记录在盒中的记录介质上的信号的信息的存储器电路。 该信息以包括具有预定形式和长度的多个数据分组的分级数据结构的形式存储在存储器电路中。 每个数据分组包括指示数据分组所属的数据结构中的电平的代码。 至少一些数据分组包括表示数据分组表示的记录信号的记录介质上的开始和结束位置的数据。 分级(或“树”)数据结构有助于快速检索和再现记录在记录介质上的信号,特别是当记录介质是磁带时。 树结构还便于与在记录介质上记录附加信号相关联的信息的存储。
    • 9. 发明授权
    • Audio-visual network connection system and method using gateways
    • 视听网络连接系统和使用网关的方法
    • US5537412A
    • 1996-07-16
    • US590073
    • 1996-01-17
    • Hisato ShimaHiroshi YamazakiKazuyuki OgawaHarumi Kawamura
    • Hisato ShimaHiroshi YamazakiKazuyuki OgawaHarumi Kawamura
    • H04L12/46H04L12/66
    • H04L12/66H04L12/462
    • A network system wherein any device in all networks can be represented using addresses set in the individual networks without relying upon the concept of a network number is disclosed. A first network (1) includes first to third devices (A, B, C) to which the addresses of "1", "2" and "3" are allocated, respectively. A second network (2) includes first to third devices (D, E, F) to which the addresses of "1", "2" and "3" are allocated, respectively. A third network (3) includes first and second devices (G and H) to which the addresses "1" and "2" are allocated, respectively. The first and second networks (1, 2) are connected to each other by way of a gateway (GW1) for which the address 4 in the first network (1) and the address 5 in the second network (2) are allocated. The second and third networks (2 and 3) are connected to each other by way of another gateway (GW2) for which the address 4 in the second network (2) and the address 3 in the third network (3) are allocated to build up a network system. A pass from within a network to another device in another network is represented in a compound representation using the addresses set in the individual networks. For example, the pass from the first device (A) in the first network 1 to the second device (H) in the third network (3) is represented as "4.4.2".
    • 可以使用在各个网络中设置的地址来表示所有网络中的任何设备的网络系统,而不依赖于网络号码的概念。 第一网络(+ E,crc / 1 /)分别包括分配有“1”,“2”和“3”的地址的第一至第三设备(A,B,C)。 第二网络(+ E,crc / 2 /)分别包括分配有“1”,“2”和“3”的地址的第一至第三设备(D,E,F)。 第三网络(+ E,crc / 3 /)分别包括分配地址“1”和“2”的第一和第二设备(G和H)。 第一和第二网络(+ E,crc / 1 /,+ E,crc / 2 /)通过第一网络(1)中的地址4的网关(GW1)和地址 5在第二网络(2)中被分配。 第二和第三网络(+ E,crc / 2 /和+ E,crc / 3 /)通过另一网关(GW2)彼此连接,第二网络(2)中的地址4和地址 第三网络(3)中的3被分配以建立网络系统。 使用在各个网络中设置的地址,以网络内的另一网络中的另一设备的传递以复合表示形式表示。 例如,将第一网络中的第一设备(A)+ E,crc / 1 /到第三网络中的第二设备(H)的通过(+ E,crc / 3 /)表示为“4.4.2 “。