One-way data transmission device with two-way data transmission

Details One-way data transmission device with two-way data transmission One-way data transmission device with two-way data transmission

1995-06-01

1997-03-18

Peng, John K.

Telecommunications

Interference signal transmission

455 51, 348 7, 348 9, 348 12, 348 13, H04N 714

Patent

active

056131925

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.

REFERENCES:
patent: 5245600 (1993-09-01), Yamauchi et al.
patent: 5357276 (1994-10-01), Banker et al.
patent: 5365576 (1994-11-01), Tsumura et al.
patent: 5371532 (1994-12-01), Gelman et al.
patent: 5408686 (1995-04-01), Mankovitz
patent: 5410343 (1995-04-01), Coddington et al.
patent: 5414455 (1995-05-01), Hooper et al.
patent: 5475840 (1995-12-01), Nelson et al.

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