JPS5613883A - Picture receiver of color television - Google Patents

Picture receiver of color television

Info

Publication number
JPS5613883A
JPS5613883A JP8939779A JP8939779A JPS5613883A JP S5613883 A JPS5613883 A JP S5613883A JP 8939779 A JP8939779 A JP 8939779A JP 8939779 A JP8939779 A JP 8939779A JP S5613883 A JPS5613883 A JP S5613883A
Authority
JP
Japan
Prior art keywords
signal group
compensation
time difference
wave filter
elastic wave
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP8939779A
Other languages
Japanese (ja)
Inventor
Yasushi Ogawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP8939779A priority Critical patent/JPS5613883A/en
Publication of JPS5613883A publication Critical patent/JPS5613883A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/647—I.F amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)

Abstract

PURPOSE:To eliminate the delay lines of the luminance signal group and thus attain the cost reduction, by using the surface elastic wave filter to the video intermediate frequency stage. CONSTITUTION:The difference of the delay time is as 550-190 =360ns between luminance signal group 4 and color signal group 8. The phase advance amount is 170ns at the side of the broadcast station and to the color carrier frequency and against the preceding compensation. As a result, the time difference is as 360 70= 190ns. To give the compensation to this time difference, the surface elastic wave filter is used at VIF amplifying/detecting circuit 2 to obtain a phase advance amount of 190ns to the color carrier frequency. As a result, no delay line is required for signal group 4 when the compensation is given to the time difference.
JP8939779A 1979-07-14 1979-07-14 Picture receiver of color television Pending JPS5613883A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8939779A JPS5613883A (en) 1979-07-14 1979-07-14 Picture receiver of color television

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8939779A JPS5613883A (en) 1979-07-14 1979-07-14 Picture receiver of color television

Publications (1)

Publication Number Publication Date
JPS5613883A true JPS5613883A (en) 1981-02-10

Family

ID=13969507

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8939779A Pending JPS5613883A (en) 1979-07-14 1979-07-14 Picture receiver of color television

Country Status (1)

Country Link
JP (1) JPS5613883A (en)

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