Integration of Copy Control Information into an EPG
Publication Date: 2004-Jul-26
The IP.com Prior Art Database
Peter Shintani: INVENTOR [+2]
Integrate the presentation of copy control information into the display of EPG information so that the user can easily determine whether the contents can be recorded and if so how?
Sony Electronics Inc.
IPD Case #5046024
Title: Integration of Copy Control Information into an EPG
Abstract: Integrate the presentation of copy control information into the display of EPG information so that the user can easily determine whether the contents can be recorded and if so how?
Inventors: Peter Shintani Hirofumi Usui
Description of the Invention: Provide a concise technical description of your invention in the format outlined below on the following pages.
1: Explain the problems, issues or needs which led to the invention, and explain how others have addressed these problems, issues or needs.
With the advent of high value content, content providers are more likely to require the carriage of Copy Control Information, CCI, which most devices will be required to be compatible with. If the CCI data restricts the copying of the contents, the user may not know why the contents can not be copied. One logical place to present the copy status is to place it in the Electronic Program Guide, EPG.
2: Describe your invention in terms of how it solves the problems described in paragraph 1. Specifically identify the new or novel features of your invention. Describe the construction and operation of the invention including drawings (flow charts, schematics, block diagrams, mechanical drawings, photographs, etc.) You may attach documentation in the form of letters, memos, engineering notebook pages, etc. if available, or you may use as many invention disclosure data sheets as necessary. Be sure each page is signed, dated and witnessed.
When the user is playing a DVD and tries to make a recording of the DVD on a recording device, the copy control information contained in the video stream and also the Macrovision analog copy protection signal (which is activate via the CCI info) prevent the recording device from being able to record. This is not much of a surprise as most if not all DVD content is copy protected. However, in the case of over the air, ie free tv, the user is accustom to being able to make recordings. Similarly, for satellite and cable sources, these systems can invoke copy protection but traditionally, have not chosen to invoke it and the user is accustom to being able to record from these sources.
In the event that the content provider has inserted copy control information that restricts to user's ability to record the program, ie the current CCI allows for several states, copy never, copy once and copy anytime. In terrestrial broadcasts no CCI is currently carried however, there are discussions regarding a similar flag, call the Broadcast Flag. In the event that the content contains a copy control flag that prevents the recording of the content, it would be preferable for the user to be able to know as soon as possible whether or not programs can
be recorded or not. For example if the user is interested in two programs that are being broadcast simultaneously, the user may choose to view one w...