JPS5453818A - Synchronization combining system - Google Patents
Synchronization combining systemInfo
- 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
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
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61174301U (en) * | 1985-04-19 | 1986-10-30 |
-
1977
- 1977-10-06 JP JP11949777A patent/JPS5453818A/en active Granted
Cited By (1)
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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