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    • 1. 发明公开
    • VIDEO SIGNAL RECORDING/REPRODUCING DEVICE
    • AUFZEICHNUNGS- / WIEDERGABEVORRICHTUNGFÜRBILDSIGENENEN。
    • EP0665551A1
    • 1995-08-02
    • EP94921111.4
    • 1994-07-18
    • SONY CORPORATION
    • KAZO, Kazuya
    • G11B27/28
    • H04N5/9208G11B15/026G11B15/05G11B23/08714G11B27/002G11B27/005G11B27/024G11B27/028G11B27/107G11B27/11G11B27/28G11B27/3063G11B27/324G11B27/34G11B2220/20G11B2220/2525G11B2220/41G11B2220/455G11B2220/65G11B2220/90G11B2220/91H04N5/445H04N5/45H04N5/50H04N5/765H04N5/782
    • A video signal recording/reproducing device with which the titles of the programs recorded in video cassettes can be easily known and a desired program can be easily reproduced and recorded in another appropriate cassette through simple operation. When recording a program, a CPU (11) records identification information for identifying a video cassette on the magnetic tape and recording information, for example, the still picture data, etc., of the program indicating the contents of the program in memories (13 and 14). When reproducing programs, the CPU (11) reads out the still picture data of each program from the memories (13 and 14) and a digital signal processing circuit (15) converts the still picture data of each program into analog signals for multi-screen display and outputs the analog signals to a television receiver through an analog signal processing circuit (23) and output terminal (33). As a result, scenes of a plurality of programs recorded in a plurality of video cassettes are displayed on the television receiver.
    • 可以容易地知道记录在录像带中的节目的标题的视频信号记录/再现装置,并且可以通过简单的操作容易地将期望的节目再现并记录在另一个适当的盒中。 当记录程序时,CPU(11)将用于识别录像带的识别信息记录在磁带上,并且将表示节目内容的节目的程序的静止图像数据等的记录信息等记录在存储器(13 和14)。 当再现程序时,CPU(11)从存储器(13和14)读出每个程序的静止图像数据,并且数字信号处理电路(15)将每个程序的静止图像数据转换成用于多屏幕的模拟信号 通过模拟信号处理电路(23)和输出端(33)将模拟信号显示并输出到电视接收机。 结果,在电视接收机上显示记录在多个录像带中的多个节目的场景。
    • 2. 发明公开
    • Magnetic tape cassette
    • 磁带盒
    • EP0476445A2
    • 1992-03-25
    • EP91115009.2
    • 1991-09-05
    • FUJI PHOTO FILM CO., LTD.
    • Hirata, Hidetoshi, c/o Fuji Photo Film Co., Ltd.
    • G11B23/30G11B15/16
    • G11B23/08714G11B15/05G11B20/10527G11B23/30
    • A semiconductor memory is installed in a magnetic tape cassette so as to enable electric signals transmitted from the outside of the magnetic tape cassette to be recorded therein or reproduced therefrom. In addition, the magnetic tape cassette includes an output/input terminal by way of which the semiconductor memory is electrically connected to a recording/reproducing unit. With this construction, when the direction of running of a magnetic tape is reversed during a recording or reproducing operation, the recording/reproducing function of the semiconductor memory can be utilized in place of the recording/reproducing function of the magnetic tape with the aid of a changeover signal previously inputted into the magnetic tape at a position, e.g., in the proximity of the end of the magnetic tape. Thus, the occurrence of interruption of the recorded/reproduced signals can be prevented by virtue of the substitutive recording/reproducing function of the semiconductor memory.
    • 半导体存储器安装在盒式磁带中,以便能够将从盒式磁带外部传输的电信号记录在其中或从其中再现。 另外,磁带盒包括输出/输入端子,通过该输入/输入端子半导体存储器电连接到记录/再现单元。 利用这种结构,当在记录或再现操作期间磁带的运行方向被反转时,可以利用半导体存储器的记录/再现功能代替磁带的记录/再现功能 预先在例如磁带末端附近的位置处输入到磁带中的转换信号。 因此,借助于半导体存储器的替代记录/再现功能可以防止记录/再现信号中断的发生。
    • 6. 发明公开
    • Method for storing and retrieving digital data on/of a tape via a digital interface
    • 通过数字接口在磁带上存储数据的方法
    • EP1073050A2
    • 2001-01-31
    • EP00114046.6
    • 2000-07-05
    • LG ELECTRONICS INC.
    • Roh, Seung Phil
    • G11B20/10G11B27/32G11B27/10H04N5/765H04N5/775G11B27/031G11B15/02
    • G11B27/11G11B15/05G11B15/087G11B20/10527G11B27/031G11B27/032G11B27/10G11B27/107G11B27/3027G11B27/3063G11B27/32G11B27/328G11B27/329G11B27/34G11B2220/455G11B2220/90H04N5/765H04N5/775H04N5/781H04N9/8042H04N9/888
    • A method for enabling a magnetic recording medium such as a video cassette tape of video tape recorder to be used as an auxiliary storage device of a personal computer (PC) which is connected through a digital communication line. When a PC connected through a digital communication line requests to record data, a video tape recorder searches for a recordable location of the tape, records data streams received through the digital interface from the recordable location wherein the data streams have been converted from the data of a file selected in the PC, and creates tape management information regarding the data streams recorded. When the PC requests to retrieve data as specifying a file, the video tape recorder reproduces the tape management information recorded in the tape, identifies a recording location of the specified file based upon the reproduced tape management information, searches for the identified location in the tape, reproduces recorded data from the identified location, converts the reproduced data into transport streams, and transmits them to the PC. These methods enable a digital video tape of mass storage, whose price is much lower than a hard disk, to be used an auxiliary storage device of a PC, thereby satisfying the increasing need for larger storage capacity for multimedia files.
    • 一种用于使磁性记录介质的方法:诸如磁带录像机的视频盒式磁带被用作在个人计算机(PC),所有这些通过数字通信线路连接的辅助存储装置。 当通过数字通信线路请求连接的PC来记录数据,对于磁带的可记录位置的磁带录像机搜索,记录通过从可记录位置的数字接口接收到的数据流worin数据流已经从的数据转换 一个文件中的PC选择,创建磁带管理信息关于记录的数据流。 当PC请求来检索数据作为指定文件,磁带录像机再现记录在磁带的磁带管理信息,标识基于再现的磁带管理信息的指定文件的记录位置,在磁带搜索所标识的位置 ,再现从所标识的位置的记录数据,再现的数据转换成传输流,并把它们发送到PC。 这些方法使海量存储,其价格比硬盘要低很多,在PC的辅助存储设备来使用,从而满足对多媒体文件更大的存储容量不断增长的需求的数字录像带。