Karaoke music reproduction device
Patent 5250747 Issued on October 5, 1993. Estimated Expiration Date: 
May 12, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
May 12, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1213804 Apparatus for reproducing music and displaying words Karaoke music reproduction device Music reproducing method and apparatus which mixes voice input from a microphone and music data Patent #: 5131311 InventorAssigneeApplicationNo. 881815 filed on 05/12/1992US Classes:434/307A, Karaoke84/477R, Indicators386/105, Disc386/126OpticalExaminersPrimary: Witkowski, Stanley J.Attorney, Agent or FirmInternational ClassesG09B 015/04G10H 007/00 Foreign Application Priority Data1991-07-31 JPAbstractThe invention relates to a technique whereby karaoke music and lyrics, which have been digitalized with the help of MIDI data, are transmitted by public telephone line for reproduction on a terminal unit. Associated dynamic images are, on account of the volume of data required, stored independently of the music and lyric data within the terminal unit itself and retrieved and extracted with the help of codes which are written into the data in advance. The dynamic images and the lyrics are finally mixed and output to a visual display medium.Field of SearchData storageDigital memory circuit (e.g., RAM, ROM, etc.) Sampling (e.g., with A/D conversion) Rhythm Reiteration Note sequence Tempo control Accompaniment Chords Accompaniment Rhythm Tempo control Chords Arpeggio MIDI (musical instrument digital interface) Electric analog oscillators Producing color or light effects Lights in Instrument Indicators For keyboard | |
