JPS5477531A - White control circuit for color television picture receiver - Google Patents

White control circuit for color television picture receiver

Info

Publication number
JPS5477531A
JPS5477531A JP14531577A JP14531577A JPS5477531A JP S5477531 A JPS5477531 A JP S5477531A JP 14531577 A JP14531577 A JP 14531577A JP 14531577 A JP14531577 A JP 14531577A JP S5477531 A JPS5477531 A JP S5477531A
Authority
JP
Japan
Prior art keywords
circuit
output
video gain
control
white control
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.)
Granted
Application number
JP14531577A
Other languages
Japanese (ja)
Other versions
JPS6022553B2 (en
Inventor
Hidetaka Egashira
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP14531577A priority Critical patent/JPS6022553B2/en
Publication of JPS5477531A publication Critical patent/JPS5477531A/en
Publication of JPS6022553B2 publication Critical patent/JPS6022553B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Processing Of Color Television Signals (AREA)

Abstract

PURPOSE: To ensure an accurate white control in an extremely short time by applying the output to the video gain variable circuit or to the pedestal clamping circuit reproducing the black level in order to control the video gain in accordance with the output given from the waveform shaping circuit.
CONSTITUTION: Feedback circuit 13 relating to vertical deflecting output circuit 11 is controlled. At the same time, waveform shaping circuit 14 is installed to receive the signal the straight line part is distorted from circuit 13 and to give the operation to the signal waveform. The output is applied to video gain variable circuit 3 to control the video gain according to the output given from circuit 14, or the output is applied to pedestal clamping circuit 7 reproducing the black level in order to carry out the white control. As a result, an accurate white contol is ensured in an extremely short time through just one-time switching of the service switch.
COPYRIGHT: (C)1979,JPO&Japio
JP14531577A 1977-12-02 1977-12-02 White adjustment circuit for color television receivers Expired JPS6022553B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14531577A JPS6022553B2 (en) 1977-12-02 1977-12-02 White adjustment circuit for color television receivers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14531577A JPS6022553B2 (en) 1977-12-02 1977-12-02 White adjustment circuit for color television receivers

Publications (2)

Publication Number Publication Date
JPS5477531A true JPS5477531A (en) 1979-06-21
JPS6022553B2 JPS6022553B2 (en) 1985-06-03

Family

ID=15382308

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14531577A Expired JPS6022553B2 (en) 1977-12-02 1977-12-02 White adjustment circuit for color television receivers

Country Status (1)

Country Link
JP (1) JPS6022553B2 (en)

Also Published As

Publication number Publication date
JPS6022553B2 (en) 1985-06-03

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