Network karaoke system of broadcast type having supplementary communication channel

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5689081
SERIAL NO

08641495

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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In a network karaoke system, a center station transmits song data, and a plurality of karaoke terminals communicate with the center station to receive therefrom the song data so that each karaoke terminal can provide a karaoke service based on the received song data. The center station has a first transmitter that broadcasts the song data to transmit the same simultaneously to all of the karaoke terminals, and a second transmitter that responds to a request from each karaoke terminal to individually transmit the song data to each karaoke terminal. Each karaoke terminal has a first receiver that is capable of receiving the song data broadcasted by the center station, a detector that detects when the first receiver has failed to receive the broadcasted song data for communicating with the center station to notify thereto the request for re-transmission of the song data, and a second receiver that receives the song data re-transmitted from the second transmitter of the center station in response to the request.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
YAMAHA CORPORATION10-1 NAKAZAWA-CHO CHUO-KU HAMAMATSU-SHI SHIZUOKA 4308650 ?4308650

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tsurumi, Kanehisa Hamamatsu, JP 12 428

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