JPS55150681A - Electrode circuit of color picture tube - Google Patents

Electrode circuit of color picture tube

Info

Publication number
JPS55150681A
JPS55150681A JP5813379A JP5813379A JPS55150681A JP S55150681 A JPS55150681 A JP S55150681A JP 5813379 A JP5813379 A JP 5813379A JP 5813379 A JP5813379 A JP 5813379A JP S55150681 A JPS55150681 A JP S55150681A
Authority
JP
Japan
Prior art keywords
circuit
voltage
grid
change
supply point
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
JP5813379A
Other languages
Japanese (ja)
Inventor
Kuninori Kasagi
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP5813379A priority Critical patent/JPS55150681A/en
Publication of JPS55150681A publication Critical patent/JPS55150681A/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
    • H04N9/12—Picture reproducers
    • H04N9/16—Picture reproducers using cathode ray tubes
    • H04N9/18—Picture reproducers using cathode ray tubes using separate electron beams for the primary colour signals
    • H04N9/20—Picture reproducers using cathode ray tubes using separate electron beams for the primary colour signals with more than one beam in a tube

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Details Of Television Scanning (AREA)

Abstract

PURPOSE:To suppress change of the second grid voltage to improve the picture quality, by providing a voltage change suppressing circuit at the second grid voltage supply point which is a part of a focus power source circuit. CONSTITUTION:Voltage change suppressing circuit 10 is connected between the output terminal of transistor 1 for horizontal deflection output and the second grid voltage supply point A taken out from a part of the focus power source circuit. This suppressing circuit 10 consists of the series circuit of diode 11 and resistance 12 and capacitor 13 connected between supply point A and the earth. By forming the circuit in this manner, the voltage of capacitor 13 is held at the peak value voltage of output pulses which are always constant. Consequently, the second grid voltage applied to the second grid 9 is not affected by change of the anode current and is held at a fixed value, so that a stable and high-quality picture can be obtained.
JP5813379A 1979-05-14 1979-05-14 Electrode circuit of color picture tube Pending JPS55150681A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5813379A JPS55150681A (en) 1979-05-14 1979-05-14 Electrode circuit of color picture tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5813379A JPS55150681A (en) 1979-05-14 1979-05-14 Electrode circuit of color picture tube

Publications (1)

Publication Number Publication Date
JPS55150681A true JPS55150681A (en) 1980-11-22

Family

ID=13075475

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5813379A Pending JPS55150681A (en) 1979-05-14 1979-05-14 Electrode circuit of color picture tube

Country Status (1)

Country Link
JP (1) JPS55150681A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990055700A (en) * 1997-12-27 1999-07-15 김영환 Circuit arrangement for smooth operation of horizontal deflection circuit
US9528165B2 (en) 2011-03-14 2016-12-27 Schunk Kohlenstofftechnik Gmbh Apparatus for the continuous thermal treatment of electrically conductive continually cast material and arrangement of a sliding contact element

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5531380A (en) * 1978-08-28 1980-03-05 Matsushita Electric Ind Co Ltd Screen voltage removing circuit of television set

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5531380A (en) * 1978-08-28 1980-03-05 Matsushita Electric Ind Co Ltd Screen voltage removing circuit of television set

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990055700A (en) * 1997-12-27 1999-07-15 김영환 Circuit arrangement for smooth operation of horizontal deflection circuit
US9528165B2 (en) 2011-03-14 2016-12-27 Schunk Kohlenstofftechnik Gmbh Apparatus for the continuous thermal treatment of electrically conductive continually cast material and arrangement of a sliding contact element

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