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JPS5635572A - Vertical blanking pulse generating circuit - Google Patents

Vertical blanking pulse generating circuit

Info

Publication number
JPS5635572A
JPS5635572A JP11041679A JP11041679A JPS5635572A JP S5635572 A JPS5635572 A JP S5635572A JP 11041679 A JP11041679 A JP 11041679A JP 11041679 A JP11041679 A JP 11041679A JP S5635572 A JPS5635572 A JP S5635572A
Authority
JP
Japan
Prior art keywords
pulse
vertical
vertical blanking
generating circuit
pulse generating
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
JP11041679A
Other languages
Japanese (ja)
Inventor
Michinao Osawa
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 JP11041679A priority Critical patent/JPS5635572A/en
Publication of JPS5635572A publication Critical patent/JPS5635572A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/24—Blanking circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)

Abstract

PURPOSE:To produce the vertical blanking pulse synchronized with the flyback time of the vertical output, by utilizing the vertical pulse and the horizontal pulse or its double-frequency pulse at the vertical driving stage. CONSTITUTION:With the fall of the vertical pulse in front of the back edge of the horizontal pulse PH, the output A of the F/F has a fall by the pulse PH. And the reset signal of the latch circuit becomes 1 with the pulse PH arriving next, and thus the latch output OUT has a fall.
JP11041679A 1979-08-31 1979-08-31 Vertical blanking pulse generating circuit Pending JPS5635572A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11041679A JPS5635572A (en) 1979-08-31 1979-08-31 Vertical blanking pulse generating circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11041679A JPS5635572A (en) 1979-08-31 1979-08-31 Vertical blanking pulse generating circuit

Publications (1)

Publication Number Publication Date
JPS5635572A true JPS5635572A (en) 1981-04-08

Family

ID=14535209

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11041679A Pending JPS5635572A (en) 1979-08-31 1979-08-31 Vertical blanking pulse generating circuit

Country Status (1)

Country Link
JP (1) JPS5635572A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63190002U (en) * 1987-05-25 1988-12-07
JPS63190001U (en) * 1987-05-25 1988-12-07
EP0576149A2 (en) * 1992-05-27 1993-12-29 Sony Corporation High-voltage generating circuit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63190002U (en) * 1987-05-25 1988-12-07
JPS63190001U (en) * 1987-05-25 1988-12-07
EP0576149A2 (en) * 1992-05-27 1993-12-29 Sony Corporation High-voltage generating circuit

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