JPS5251814A - Synchronizing separation circuit - Google Patents

Synchronizing separation circuit

Info

Publication number
JPS5251814A
JPS5251814A JP12738775A JP12738775A JPS5251814A JP S5251814 A JPS5251814 A JP S5251814A JP 12738775 A JP12738775 A JP 12738775A JP 12738775 A JP12738775 A JP 12738775A JP S5251814 A JPS5251814 A JP S5251814A
Authority
JP
Japan
Prior art keywords
synchronizing signal
separation circuit
vertical
equalizing pulse
synchronizing separation
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
JP12738775A
Other languages
Japanese (ja)
Inventor
Masabumi Onishi
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 JP12738775A priority Critical patent/JPS5251814A/en
Publication of JPS5251814A publication Critical patent/JPS5251814A/en
Pending legal-status Critical Current

Links

Landscapes

  • Synchronizing For Television (AREA)

Abstract

PURPOSE: The polarity of synchronizing signal is judged at the time which is broader than horizontal equalizing pulse duration from the beginning phase of each synchronizing signal and which is narrower than the value obtained by subtracting vertical equalizing pulse duration from repeating cycle of vertical equalizing pulse. In this way, vertical synchronizing signal can be isolated.
COPYRIGHT: (C)1977,JPO&Japio
JP12738775A 1975-10-24 1975-10-24 Synchronizing separation circuit Pending JPS5251814A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12738775A JPS5251814A (en) 1975-10-24 1975-10-24 Synchronizing separation circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12738775A JPS5251814A (en) 1975-10-24 1975-10-24 Synchronizing separation circuit

Publications (1)

Publication Number Publication Date
JPS5251814A true JPS5251814A (en) 1977-04-26

Family

ID=14958722

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12738775A Pending JPS5251814A (en) 1975-10-24 1975-10-24 Synchronizing separation circuit

Country Status (1)

Country Link
JP (1) JPS5251814A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6276869A (en) * 1985-09-30 1987-04-08 Fujitsu Micom Syst Kk Synchronizing separator circuit
JPS62262582A (en) * 1986-05-09 1987-11-14 Fujitsu Ltd Composite synchronizing signal separation circuit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6276869A (en) * 1985-09-30 1987-04-08 Fujitsu Micom Syst Kk Synchronizing separator circuit
JPH0327144B2 (en) * 1985-09-30 1991-04-15 Fujitsu Maikon Shisutemuzu Kk
JPS62262582A (en) * 1986-05-09 1987-11-14 Fujitsu Ltd Composite synchronizing signal separation circuit

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