Extended circuit of a HiFi KARAOKE video cassette recorder having a function of simultaneous singing and recording
Patent 5341253 Issued on August 23, 1994. Estimated Expiration Date: 
November 28, 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.
November 28, 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 ReferencesMethod of recording and reproducing visual information in audio recording medium and audio recording medium recorded with visual information Music reproducing method and apparatus which mixes voice input from a microphone and music data Method and apparatus for producing customized video recordings Patent #: 5144454 InventorsAssigneeApplicationNo. 981722 filed on 11/28/1992US Classes:434/307A, Karaoke360/13RECORD EDITINGExaminersPrimary: Hajec, Donald T.Assistant: Kim, Won Tae C. Attorney, Agent or FirmForeign Patent References
International ClassesG11B 015/12G11B 027/02 AbstractAn extended circuit of a HiFi KARAOKE VCR having a simultaneous singing and recording function, wherein an audio erasing head (AE head) on the KARAOKE VCR is used to erase the sound on a normal track of a HiFi KARAOKE program tape and then use the audio control head (A/C head) on the VCR to record the user's desired sound, also stereo, left (L), right (R) or normal sound may be chosen by using an audio select switch on the HiFi VCR. While a tape recorded plays, once the audio select switch selects a normal channel position, the sound recorded on the program tape and the original accompaniment sound of said program tape may be heard. | |
