One-way data transmission device with two-way data transmission function
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United States of America Patent
Stats
-
Mar 18, 1997
Grant Date -
N/A
app pub date -
Jun 1, 1995
filing date -
Jun 1, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
When a song data group of a requested song comes in the normal mode ('Yes' in S230, ) the terminal 5 picks up that song data D5 in S240. When the song data group of the requested song does not arrive ('No' in S230,) the terminal first judges in S250 whether or not it is necessary to rapidly obtain the song data of the requested song. If the terminal is presently playing a karaoke performance, it is unnecessary to rapidly obtain the song data of the requested song, and therefore the terminal waits for the song data that will come in the normal mode. If the terminal is not conducting a karaoke performance (i.e., 'No' in S250), the terminal should be rapidly supplied with the requested song. When it is determined that the requested song will come soon ('Yes' in S290 or S300,) the terminal still waits for the song data that will come in the normal mode. On the other hand, when it is determined that the requested song will not come soon, the terminal transmits request data to the center 3 to request the center 3 to transmit the requested song data to the terminal 5 in the urgent mode.
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