Title:
TELEVISION PICTURE RECEIVER
Document Type and Number:
Japanese Patent JPS5846774
Kind Code:
A
Abstract:
PURPOSE: To eliminate the high frequency noise which is caused at a commercial power supply line, by providing a filter to the power supply line of a TV picture receiver to prevent the noise signal of a frequency higher than the video untermediate frequency by about 1/2.
CONSTITUTION: A filter 6 is provided between a power supply circuit 3 of a TV picture receiver and a power supply plug socket 5 in order to eliminate the high frequency noise signal. The filter 6 can prevent the noise signal of a frequency higher than about 1/2 (19MHz) of the video intermediate frequency (39MHz). In such way, the high frequency noise signal given from a power supply line can be effectively eliminated to ensure the satisfactory receiving of pictures.
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Inventors:
KATAYAMA KENJI
OOTSUJI MINORU
OOTSUJI MINORU
Application Number:
JP14446981A
Publication Date:
March 18, 1983
Filing Date:
September 11, 1981
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
H04N5/63; H04B15/02; (IPC1-7): H04B15/02
Attorney, Agent or Firm:
Akira Kobiji (2 outside)
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