JPS6429188A - Timing pulse generating circuit - Google Patents
Timing pulse generating circuitInfo
- Publication number
- JPS6429188A JPS6429188A JP62185079A JP18507987A JPS6429188A JP S6429188 A JPS6429188 A JP S6429188A JP 62185079 A JP62185079 A JP 62185079A JP 18507987 A JP18507987 A JP 18507987A JP S6429188 A JPS6429188 A JP S6429188A
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- signal
- synchronizing signal
- compound
- shift register
- 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)
- Color Television Systems (AREA)
- Processing Of Color Television Signals (AREA)
Abstract
PURPOSE:To reduce influence caused by temperature variation by providing a pulse forming circuit which detects the equalizing pulse of a compound synchronizing signal and the like and outputs a pulse signal having a prescribed width and a shift register to which the compound synchronizing signal is inputted as a clock signal and which delays the pulse signal from the pulse forming circuit in a prescribed time. CONSTITUTION:The pulse forming circuits 13 and 14 which detect the equalizing pulse of the compound synchronizing signal and the like and output the pulse signal having the prescribed width and a shift register 12 to which the compound synchronizing signal is inputted as the clock signal and which delays the pulse signal from the circuit 13 and 14 in the prescribed time are provided. That means, the pulse signal is outputted from the compound synchronizing signal by the first and the second pulse forming circuits 13 and 14 and the equalizing pulse of the compound synchronizing signal and the like is read as the clock signal within that pulse signal, and supplied to the shift register 12 of a next stage. Then a prescribed timing pulse wave form is obtained by delaying and reading the horizontal synchronizing pulse of the compound synchronizing signal and the like as the clock signal with the aid of the shift register 12. Thus the influence of time constant variation caused by the rise of the temperature can be prevented.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62185079A JPS6429188A (en) | 1987-07-24 | 1987-07-24 | Timing pulse generating circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62185079A JPS6429188A (en) | 1987-07-24 | 1987-07-24 | Timing pulse generating circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6429188A true JPS6429188A (en) | 1989-01-31 |
Family
ID=16164451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62185079A Pending JPS6429188A (en) | 1987-07-24 | 1987-07-24 | Timing pulse generating circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6429188A (en) |
-
1987
- 1987-07-24 JP JP62185079A patent/JPS6429188A/en active Pending
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