The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 06, 2011
Filed:
Jun. 10, 2004
Kyung-ho Lee, Seoul, KR;
Kyung-Ho Lee, Seoul, KR;
Other;
Abstract
Disclosed are an RF signal of karaoke data receiving pack and karaoke system using thereof. The RF Karaoke data receiving pack includes an RF receiver for receiving a voice signal and key data signal radio-transmitted from a wireless microphone device via a receiving antenna; an audio/key data signal separator for separating the voice signal and key data signal from the signal demodulated by the demodulator, a receiver MCU controlling the internal operation of the RF karaoke data signal receiving pack while transmitting the digital voice signal and key data signal to the external computing device; and an extension pack in which additional songs are recorded, the extension pack being connected to an extension pack slot to transmit data of the additional songs under the control of the receiver MCU.