Patent ID: 7826717

Claim:
A machine readable information recording medium for access by an information reproducing apparatus, the information recording medium embodied as an optical disc comprising: a first area in which a video object is recorded, the video object including a video object unit, the video object unit containing a VOBU begin pack placed at a top of the video object unit, the VOBU begin pack having recording time information on the video object unit, and the recording time information being expressed in year, month, day, hour, minute, and second; and a second area in which control information is recorded, the control information including first program chain information and second program chain information, the first program chain information relating to a first program chain, the second program chain information relating to a second program chain, cells being specified by the control information, the first program chain specifying a first presentation sequence of one part of the cells, the second program chain specifying a second presentation sequence of another part of the cells, a first cell of the one part of cells referring to a first region of the video object, a second cell of the another part of cells referring to a second region of the video object, a part of the first region being able to overlap with the second region, another part of the first region being able not to include the second region, a program being defined in the control information, the control information including protect information indicating that a whole or a part of the video object referred or utilized in a presentation of the program shall not be temporarily or permanently erased when the program is in protected state, and the control information including primary text information, wherein the control information is read and provided to reproduce the video object by the information reproducing apparatus, and the video object is accessed according to the read control information.