JPS5251814A - Synchronizing separation circuit - Google Patents
Synchronizing separation circuitInfo
- 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
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
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)
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 |
-
1975
- 1975-10-24 JP JP12738775A patent/JPS5251814A/en active Pending
Cited By (3)
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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