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    • 10. 发明申请
    • FRAME-BY-FRAME DATA RECORDING FILM INFORMATION EXCHANGE SYSTEM USING DEDICATED MAGNETIC TRACKS ON FILM
    • 框架数据记录电影信息交换系统使用专用磁性录像带
    • WO1990004254A1
    • 1990-04-19
    • PCT/US1989004368
    • 1989-10-04
    • EASTMAN KODAK COMPANY
    • EASTMAN KODAK COMPANYCLOUTIER, Robert, PaulATKINSON, William, ClarkWASH, Michael, Lee
    • G11B23/44
    • G03D15/003G03B17/24G03B2206/004G03B2217/244G03B2217/246
    • A virtually transparent magnetic layer is included as an additional layer in a color negative film. Information exchange between various users of the film -such as (for example) the manufacturer, the camera user, the dealer and photofinisher- is carried via plural longitudinal magnetic tracks on the film that begin and end within each individual frame. Each track is dedicated to the writing and reading of a predetermined set of parameters relating to the corresponding frame. The photofinisher-dedicated tracks fill the image-bearing area of each frame. The film has only a single film perforation along one edge for each frame. The camera-dedicated tracks lie along the edges of the film between the film perforations. Each track begins and ends within a single frame, and is divided into a plurality of fields. The data in each field is identified by an ID code preceded by an ID sentinel at the beginning of the field, and the beginning and end of each track is labeled with start and stop symbols respectively. Each sentinel consists of a character reserved from a universal dictionary of allowed characters, while each ID code is specified in a universal dictionary of ID codes encompassing all recordable film-related parameters or information types.
    • 在彩色底片中作为附加层包含实质上透明的磁性层。 电影的各个用户(例如制造商,照相机用户,经销商和照相洗印剂)之间的信息交换通过在每个单独的帧中开始和结束的胶片上的多个纵向磁迹承载。 每个轨道专用于写入和读取与相应帧有关的一组预定参数。 相片洗印专用曲目填充每一帧的图像承载区域。 每一帧,胶片沿着一个边缘只有一个胶片穿孔。 相机专用的轨迹沿着胶片穿孔之间的胶片边缘。 每个轨道在单个帧内开始和结束,并且被分成多个场。 每个字段中的数据由字段开始处的ID标识前面的ID代码标识,并且每个轨道的开始和结束分别用开始和停止符号标记。 每个哨兵由一个允许字符的通用字典保留的字符组成,而每个ID码在包含所有可录制电影相关参数或信息类型的ID码通用字典中指定。