JPS5453818A - Synchronization combining system - Google Patents

Synchronization combining system

Info

Publication number
JPS5453818A
JPS5453818A JP11949777A JP11949777A JPS5453818A JP S5453818 A JPS5453818 A JP S5453818A JP 11949777 A JP11949777 A JP 11949777A JP 11949777 A JP11949777 A JP 11949777A JP S5453818 A JPS5453818 A JP S5453818A
Authority
JP
Japan
Prior art keywords
signal
frequency division
synchronizing
signals
signal generator
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
JP11949777A
Other languages
Japanese (ja)
Other versions
JPS5759706B2 (en
Inventor
Naoki Miyauchi
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 Denshi KK
Original Assignee
Hitachi Denshi KK
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 Denshi KK filed Critical Hitachi Denshi KK
Priority to JP11949777A priority Critical patent/JPS5453818A/en
Publication of JPS5453818A publication Critical patent/JPS5453818A/en
Publication of JPS5759706B2 publication Critical patent/JPS5759706B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To simplify a constitution by canceling the jitter of output synchronizing signals and performing the acquisition of synchronism rapidly by providing a fundamental signal generator.
CONSTITUTION: Composite video signals from the outside including synchronizing signals are given from input IN, and synchronizing signals extracted in synchronizing separator SS drive vertical set signal generator VP and horizontal set signal generator HP to form vertical and horizontal set signsls a. Then, after fundamental signal b from fundamental signal generator OS and signal C, which is obtained by delaying signal b in DL by a prescribed quantity, are divided by main frequency division circuit DVm and sub-frequency division circuit DVs in the same frequency division respectively, AND of them is operated in G. Then, each frequency division circuit DV is controlled by the output of G and signal a to drive synchronizing signal generation part SG, thereby generating vertical and horizontal synchronising signals and other various synchronizing signals
COPYRIGHT: (C)1979,JPO&Japio
JP11949777A 1977-10-06 1977-10-06 Synchronization combining system Granted JPS5453818A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11949777A JPS5453818A (en) 1977-10-06 1977-10-06 Synchronization combining system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11949777A JPS5453818A (en) 1977-10-06 1977-10-06 Synchronization combining system

Publications (2)

Publication Number Publication Date
JPS5453818A true JPS5453818A (en) 1979-04-27
JPS5759706B2 JPS5759706B2 (en) 1982-12-16

Family

ID=14762719

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11949777A Granted JPS5453818A (en) 1977-10-06 1977-10-06 Synchronization combining system

Country Status (1)

Country Link
JP (1) JPS5453818A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5717269A (en) * 1980-07-07 1982-01-28 Matsushita Electric Works Ltd Display device for information television at home

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61174301U (en) * 1985-04-19 1986-10-30

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5717269A (en) * 1980-07-07 1982-01-28 Matsushita Electric Works Ltd Display device for information television at home

Also Published As

Publication number Publication date
JPS5759706B2 (en) 1982-12-16

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