1. An information reproducing a method for reproducing representative picture recorded on an information recording disc, wherein the information recording disc includes (i) a first area for a video file including a movie picture AV file and a still picture AV file, each of which includes an object comprising object units, the object units being included in cells that represent portions of the object, each of the object units including at least a video pack in which video data is recorded, and (ii) a second area for video manager information containing disc representative picture information that includes information regarding a program chain number, a cell number, and a picture point as a presentation time of a picture in the object, which represents recording contents of the disc and information regarding a time when the disc representative picture was made, the disc representative picture being any one of pictures included in the object in the still picture AV file and movie AV file, the second area including third to fifth areas, the third area being provided for a movie AV file information table, the fourth area being provided for a still picture AV file information table, the fifth area being provided for a plurality of program chain information that designates respective cell reproduction orders, the information reproducing method comprising:
a first step of reading the video manager information, referring to the disc representative picture information, and determining a position of the disc representative picture in the still picture AV file or the movie AV file;
a second step of reading the disc representative picture based on the position determined by the first reading step; and
a third step of decoding the disc representative picture read by the second reading step.
2. An information reproducing method according to claim 1, wherein a start address of the still picture AV file information table is included in the video manager information, and in the first reading step, the start address of the still picture AV file information table in the video manager information is read.
3. An information reproducing apparatus for reproducing a representative picture recorded on an information recording disc, wherein the information recording disc includes (i) a first area for a video file including a movie picture AV file and a still picture AV file, each of which includes an object that comprises object units included in cells that represent portions of the object, each of the object units including at least a video pack in which video data is recorded, and (ii) a second area for video manager information containing disc representative picture information that includes information regarding a program chain number, a cell number, a picture point as a presentation time of a picture in the object, which represents recording contents of the disc and information regarding a time when the disc representative picture was made, the disc representative picture being any one of pictures included in the object in the still picture AV file and the movie AV file, the second area including third to fifth areas, the third area being provided for a movie AV file information table, the fourth area being provided for a still picture AV file information table, the fifth area being provided for a plurality of program chain information that designates respective cell reproduction orders, the information reproducing apparatus comprising:
first means for reading the video manager information, referring to the disc representative picture information, and determining a position of the disc representative picture in the still picture AV file or the movie AV file;
second means for reading the disc representative picture based on the position determined by the first means; and
third means for decoding the disc representative picture read by the second means.
4. An information reproducing apparatus according to claim 3, wherein a start address of the still picture AV file information table is included in the video manager information, and the first means reads the start address of the still picture AV file information table in the video manager information.
5. An information recording method for recording data on an information recording disc that includes (i) a first area in which a video file is stored, the video file including a movie picture AV file and a still picture AV file, each of which includes an object comprising object units, and (ii) a second area in which video manager information including disc representative picture information is stored, the disc representative picture information includes information regarding a program chain number, a cell number, and a picture point as a presentation time of a picture in the object, which represents recording contents of the disc and information regarding a time when the disc representative picture was made, the disc representative picture being any one of pictures included in the object in the still picture AV file, the second area including third to fifth areas, the third area being provided for a movie AV file information table, the fourth area being provided for a still picture AV file information table, the fifth area being provided for a plurality of program chain information that designates respective cell reproduction orders, the information recording method comprising:
recording at least one object in the video file, wherein the object includes object units included in cells that represent portions of the object, each of the object units includes at least a video pack in which video data is recorded;
recording the video manager information;
recording the still picture AV file information table that includes managing information for managing a still picture in the still picture AV file;
recording the plurality of program chain information; and
recording the disc representative picture information.
6. An information recording apparatus for recording data on an information recording disc that includes (i) a first area in which a video file is stored, the video file including a movie picture AV file and a still picture AV file, each of which includes an object comprising object units included in cells that represent portions of the object, each of the object units including at least a video pack in which video data is recorded, and (ii) a second area in which video manager information including disc representative picture information is stored, the disc representative picture information including information regarding a program chain number, a cell number, and a picture point as a presentation time of a picture in the object, which represents recording contents of the disc and information regarding a time when the disc representative picture was made, the disc representative picture being any one of pictures included in the object in the still picture AV file, the second area including third to fifth areas, the third area being provided for a movie AV file information table, the fourth area being provided for a still picture AV file information table that includes managing information for managing still pictures in the still picture AV file, the fifth area being provided for a plurality of program chain information that designates respective cell reproduction orders, the information recording apparatus comprising:
first means for recording at least one object in the video file;
second means for recording the video manager information;
third means for recording the still picture AV file information table;
fourth means for recording the plurality of program chain information; and
fifth means for recording the disc representative picture information.
7. An information recording apparatus according to claim 6, wherein a start address of the still picture AV file information table is included in the video manager information, and the second means records the start address of the still picture AV file information table in the video manager information.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An image pickup device comprising:
a color separation prism made up of a plurality of prism members, for separating light into a plurality of color components;
a plurality of solid-state image sensors fixed to the plurality of prism members, respectively;
a plurality of image sensor boards on which the plurality of solid-state image sensors are mounted, respectively;
an image control board to which image pickup signals generated by the plurality of image sensor boards, respectively, are inputted; and
a flexible board connected to the image control board, wherein
the flexible board comprises:
a signal transmission layer which is connected to each of the plurality of image sensor boards and which forms transmission paths for transmitting the image pickup signals to the image control board;
a heat radiating layer, formed of a high heat conductivity material, which is put into contact with each of the plurality of solid-state image sensors to transfer heat generated in the solid-state image sensors from the image sensors; and
an insulating layer which is placed interveniently between the signal transmission layer and the heat conduction layer to fix the signal transmission layer and the heat conduction layer to each other.
2. The image pickup device as defined in claim 1, wherein the flexible board further comprises a protective layer fixed to surfaces of the signal transmission layer and the heat conduction layer, respectively.
3. The image pickup device as defined in claim 2, wherein
end portions of the flexible board are placed between the solid-state image sensors and the image sensor boards having the solid-state image sensors mounted thereon, respectively,
at the end portions of the flexible board, the signal transmission layer exposed from the protective layer is connected to each of the plurality of image sensor boards and moreover the heat conduction layer exposed from the protective layer is put into contact with each of the plurality of solid-state image sensors.
4. The image pickup device as defined in claim 3, wherein the heat conduction layer is connected to a casing of the image pickup device.