Audio visual karaoke system using audio cassette

Details Audio visual karaoke system using audio cassette Audio visual karaoke system using audio cassette

1995-02-08

1997-03-11

Cheng, Joe

Education and demonstration

Cathode ray screen display and audio means

434309, 434316, 84477R, 369 62, G09B 500, G10H 136

Patent

active

056094876

ABSTRACT:
An audio visual karaoke system using a karaoke audio cassette to which high frequency signals have been added containing specific data information. In the audio player, these high frequency signals are separated from the audio signals by a high pass filter ("HPF"). Using a data converter, the high frequency signals are converted into data information. Subsequently, this data information is processed by a microprocessor and a display controller to generate lyrics or other information, which are displayed on a display device.

REFERENCES:
patent: 4321633 (1982-03-01), Saito
patent: 4586905 (1986-05-01), Groff
patent: 4615024 (1986-09-01), Usui
patent: 4690645 (1987-09-01), Ukisu
patent: 4968254 (1990-11-01), Gangwere, Jr. et al.
patent: 5287789 (1994-02-01), Zimmerman
patent: 5341253 (1994-08-01), Liao et al.
Introductory Electronics for Scientists and Engineers, Simpson, Robert E., Second Editon (1987), Ch. 15.1, Analog/Digital Conversion, pp. 700-701.

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