JPH01160772U - - Google Patents
Info
- Publication number
- JPH01160772U JPH01160772U JP5639188U JP5639188U JPH01160772U JP H01160772 U JPH01160772 U JP H01160772U JP 5639188 U JP5639188 U JP 5639188U JP 5639188 U JP5639188 U JP 5639188U JP H01160772 U JPH01160772 U JP H01160772U
- Authority
- JP
- Japan
- Prior art keywords
- horizontal
- vertical scanning
- television
- vertical
- 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
- 230000010355 oscillation Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Details Of Television Scanning (AREA)
Description
第1図は本考案における実施例のブロツク図、
第2図は垂直走査周波数判別回路のブロツク図、
第3図は垂直発振周波数切換回路の回路図、第4
図は第2図の垂直走査周波数判別回路の各部にお
けるタイミングチヤート図である。
1……端子、2……同期分離回路、3……水平
走査周波数判別回路、4……水平発振周波数切換
回路、5……水平ドライブ回路、6……垂直走査
周波数判別回路、7……垂直発振周波数切換回路
、8……垂直ドライブ回路、9……端子、10…
…ワンシヨツトマルチバイブレータ、11……ラ
ツチ回路、12……端子、13……垂直発振回路
。
FIG. 1 is a block diagram of an embodiment of the present invention.
Figure 2 is a block diagram of the vertical scanning frequency discrimination circuit.
Figure 3 is a circuit diagram of the vertical oscillation frequency switching circuit, Figure 4
This figure is a timing chart of each part of the vertical scanning frequency discrimination circuit of FIG. 2. 1...Terminal, 2...Synchronization separation circuit, 3...Horizontal scanning frequency discrimination circuit, 4...Horizontal oscillation frequency switching circuit, 5...Horizontal drive circuit, 6...Vertical scanning frequency discrimination circuit, 7...Vertical Oscillation frequency switching circuit, 8... Vertical drive circuit, 9... Terminal, 10...
...One-shot multivibrator, 11...Latch circuit, 12...Terminal, 13...Vertical oscillation circuit.
Claims (1)
走査周波数で動作し、且つ、NTSC標準テレビ
ジヨン信号と水平あるいは垂直走査周波数の異な
るテレビジヨン信号においても動作するテレビジ
ヨン受像機であつて、入力されたテレビジヨン信
号の水平及び垂直走査周波数を判別する水平走査
周波数半別回路、垂直走査周波数判別回路、及び
該判別回路からの周波数判別信号に基づき、水平
及び垂直発振周波数を切換える水平発振周波数切
換回路、垂直発振周波数切換回路を有し、水平及
び垂直走査周波数の異なる複数種類のテレビジヨ
ン信号を再生表示することを特徴とするマルチス
キヤンモニター受像機。 A television receiver that operates at the horizontal and vertical scanning frequencies of the NTSC standard television signal, and also operates at the television signals having horizontal or vertical scanning frequencies different from the NTSC standard television signal, and which receives the input television. A horizontal scanning frequency half discrimination circuit that discriminates the horizontal and vertical scanning frequencies of a signal, a vertical scanning frequency discrimination circuit, a horizontal oscillation frequency switching circuit that switches the horizontal and vertical oscillation frequencies based on the frequency discrimination signal from the discrimination circuit, and a vertical oscillation A multi-scan monitor receiver having a frequency switching circuit and capable of reproducing and displaying multiple types of television signals having different horizontal and vertical scanning frequencies.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5639188U JPH01160772U (en) | 1988-04-26 | 1988-04-26 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5639188U JPH01160772U (en) | 1988-04-26 | 1988-04-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01160772U true JPH01160772U (en) | 1989-11-08 |
Family
ID=31282271
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5639188U Pending JPH01160772U (en) | 1988-04-26 | 1988-04-26 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01160772U (en) |
-
1988
- 1988-04-26 JP JP5639188U patent/JPH01160772U/ja active Pending
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