Portable karaoke system

Details Portable karaoke system Portable karaoke system

2011-03-01

2011-03-01

Appiah, Charles N (Department: 2617)

Telecommunications

Transmitter and receiver at separate stations

Short range rf communication

C455S418000, C455S550100, C455S556100, C370S328000, C381S002000, C084S610000

Reexamination Certificate

active

07899398

ABSTRACT:
The present invention discloses a portable Karaoke system. The portable Karaoke system has a separate radio auxiliary microphone receiving module and a separate FM transmission module, which can be inserted/separated into/from the portable Karaoke system, such that a user can select and purchase only a required function module and easily carry and keep the portable Karaoke system. The portable system has hooks, which are provided at both sides of a battery case to prevent a battery from being easily separated from the battery case, and semicircular recesses, which are formed at the top edges of both sidewalls of the battery case to allow a user to easily remove the battery from the battery case. Furthermore, the portable Karaoke system has first and second gears formed at stepped portions of the end of a microphone body such that the first gear is combined with a general microphone and the second gear is combined with a ball-type microphone net.

REFERENCES:
patent: 4344184 (1982-08-01), Edwards
patent: 5808224 (1998-09-01), Kato
patent: 6025553 (2000-02-01), Lee
patent: 6027380 (2000-02-01), Hanning et al.
patent: 6267600 (2001-07-01), Song
patent: 6294286 (2001-09-01), Gosior et al.
patent: 6530804 (2003-03-01), Wu
patent: 2003/0026595 (2003-02-01), Ikeda
patent: 2004/0204028 (2004-10-01), Kotzin

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