JPH0221975U - - Google Patents
Info
- Publication number
- JPH0221975U JPH0221975U JP10025788U JP10025788U JPH0221975U JP H0221975 U JPH0221975 U JP H0221975U JP 10025788 U JP10025788 U JP 10025788U JP 10025788 U JP10025788 U JP 10025788U JP H0221975 U JPH0221975 U JP H0221975U
- Authority
- JP
- Japan
- Prior art keywords
- average value
- vertical synchronization
- period
- counter
- synchronization signal
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Synchronizing For Television (AREA)
- Television Signal Processing For Recording (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10025788U JPH0221975U (un) | 1988-07-28 | 1988-07-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10025788U JPH0221975U (un) | 1988-07-28 | 1988-07-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0221975U true JPH0221975U (un) | 1990-02-14 |
Family
ID=31328177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10025788U Pending JPH0221975U (un) | 1988-07-28 | 1988-07-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0221975U (un) |
-
1988
- 1988-07-28 JP JP10025788U patent/JPH0221975U/ja active Pending