Patents by Inventor Hyoung Wook CHOI

Hyoung Wook CHOI 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).

  • Publication number: 20080211970
    Abstract: A television reception circuit includes a high-frequency amplifier amplifying a received television signal, a mixer frequency-converting the amplified television signal to an intermediate-frequency signal, a filter attenuating a component outside a prescribed frequency band in the resultant intermediate-frequency signal, a first AGC circuit outputting a first gain control signal for setting a level of the intermediate-frequency signal output from the mixer to a prescribed value, a second AGC circuit outputting a second gain control signal for setting a level of the signal that has passed through the filter to a prescribed value, and a switch selecting any one of the first gain control signal and, the second gain control signal and outputting the selected gain control signal to the high-frequency amplifier, and the high-frequency amplifier amplifies the television signal with gain based on the gain control signal received from the switch.
    Type: Application
    Filed: February 19, 2008
    Publication date: September 4, 2008
    Applicants: SANYO ELECTRIC CO., LTD., SANYO TUNER INDUSTRIES CO., LTD.
    Inventors: Yasuo TAKESHITA, Takuya SUZUKA, Hyoung Wook CHOI