V-chip is a generic term used for television receivers allowing the blocking of programs based on their ratings category. It is intended for use by parents to manage their children's television viewing. Most 13-inch and larger televisions manufactured for the United States market since 1999 and all units as of January 2000 are required to have the V-chip technology. Many devices similar to the V-chip have been produced.
The V-chip works much like...
more
V-chip is a generic term used for television receivers allowing the blocking of programs based on their ratings category. It is intended for use by parents to manage their children's television viewing. Most 13-inch and larger televisions manufactured for the United States market since 1999 and all units as of January 2000 are required to have the V-chip technology. Many devices similar to the V-chip have been produced.
The V-chip works much like closed captioning as it uses the vertical blanking interval in the television signal to send and receive a special code in the programming which indicates the show's score according to a simple numerical rating system for violence, sex, and language. The programs' signals are encoded according to their rating, on line 21 of the broadcast signal's vertical blanking interval using the XDS protocol, and this is detected by the television set's V-chip. If the program's rating is outside the level configured as acceptable on that particular...
less
