JPS5471935A - Signal sampling pulse generator - Google Patents
Signal sampling pulse generatorInfo
- Publication number
- JPS5471935A JPS5471935A JP13959477A JP13959477A JPS5471935A JP S5471935 A JPS5471935 A JP S5471935A JP 13959477 A JP13959477 A JP 13959477A JP 13959477 A JP13959477 A JP 13959477A JP S5471935 A JPS5471935 A JP S5471935A
- Authority
- JP
- Japan
- Prior art keywords
- pulses
- pulse generator
- undesired
- false
- sampling pulse
- 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
Landscapes
- Processing Of Color Television Signals (AREA)
- Television Receiver Circuits (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Television Systems (AREA)
Abstract
PURPOSE: To make it possible to prevent the malfunction from being generated due to undesired false pulses by detecting undesired false pulses by a detector circuit and resetting a sampling pulse generator circuit.
CONSTITUTION: In a vertical blanking interval, vertical synchronizing pulses are extracted in 1 from TV signals where information signals are inserted to specific lines after the part of vertical synchronizing pulses and equalizing pulses, and sampling pulses are generated in 5 after a prescribed time on the basis of this output in respect to time. In this case, when undesired pulses which are false to synchronizing pulses are inputted, they are detected by detector circuit 6, and pulse generator circuit 5 is reset by this detection output. As a result, the malfunction can be prevented from being generated due to undesired false pulses.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52139594A JPS5915236B2 (en) | 1977-11-18 | 1977-11-18 | Signal extraction pulse generator |
US05/904,449 US4164750A (en) | 1977-05-09 | 1978-05-09 | VIR killer signal generator for color television receiver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52139594A JPS5915236B2 (en) | 1977-11-18 | 1977-11-18 | Signal extraction pulse generator |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5471935A true JPS5471935A (en) | 1979-06-08 |
JPS5915236B2 JPS5915236B2 (en) | 1984-04-07 |
Family
ID=15248895
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52139594A Expired JPS5915236B2 (en) | 1977-05-09 | 1977-11-18 | Signal extraction pulse generator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5915236B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57173285A (en) * | 1981-04-18 | 1982-10-25 | Pioneer Electronic Corp | Multiplexed information extracting device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61199179U (en) * | 1985-05-30 | 1986-12-12 |
-
1977
- 1977-11-18 JP JP52139594A patent/JPS5915236B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57173285A (en) * | 1981-04-18 | 1982-10-25 | Pioneer Electronic Corp | Multiplexed information extracting device |
Also Published As
Publication number | Publication date |
---|---|
JPS5915236B2 (en) | 1984-04-07 |
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