REDWOOD CITY — Japanese electronic giant Matsushita Electric Industrial Co. Ltd. is launching an interactive multiplayer using technology pioneered by 3DO this week in Japan, the Redwood City-based company said Thursday.

The 3DO multiplayer, which allows television viewers to interact with programs or games, will be sold under the Panasonic brand name for about $ 500.

Matsushita is a 3DO licensee and a major investor in the company, along with other electronics, entertainment, telecommunications and software companies seeking to create a new market for interactive software.

About 11 software titles will be launched with the multiplayer, including titles developed specifically or adapted for the Japanese market.

3DO said Matsushita is also launching an aggressive national advertising campaign as well as 3DO Magazine, a bimonthly for Japanese subscribers, published by Tokuma Shoten.

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