Patents by Inventor Pohsien Liao

Pohsien Liao has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Extended circuit of a HiFi KARAOKE video cassette recorder having a function of simultaneous singing and recording
    Patent number: 5341253
    Abstract: An 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.
    Type: Grant
    Filed: November 28, 1992
    Date of Patent: August 23, 1994
    Assignee: Tatung Co.
    Inventors: Pohsien Liao, Chin-Chang Huang, Jye-Huei Wang