JPH03128376U - - Google Patents
Info
- Publication number
- JPH03128376U JPH03128376U JP3578090U JP3578090U JPH03128376U JP H03128376 U JPH03128376 U JP H03128376U JP 3578090 U JP3578090 U JP 3578090U JP 3578090 U JP3578090 U JP 3578090U JP H03128376 U JPH03128376 U JP H03128376U
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- flop
- flip
- 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
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Synchronizing For Television (AREA)
Description
第1図は本考案の一実施例の回路図、第2図、
第3図は第1図に示す回路の動作波形図、第4図
は本考案の第二の実施例の回路図、第5図、第6
図は第4図に示す回路の動作波形図である。
3……Tフリツプフロツプ、4……プログラマ
ブルN進カウンタ、5ないし7……Dフリツプフ
ロツプ。
Figure 1 is a circuit diagram of an embodiment of the present invention; Figure 2 is a circuit diagram of an embodiment of the present invention;
FIG. 3 is an operating waveform diagram of the circuit shown in FIG. 1, FIG. 4 is a circuit diagram of the second embodiment of the present invention, and FIGS.
This figure is an operation waveform diagram of the circuit shown in FIG. 4. 3...T flip-flop, 4...programmable N-ary counter, 5 to 7...D flip-flop.
Claims (1)
ロツプと、前記フリツプフロツプの出力パルス期
間で同期信号周波数より十分高い周波数のクロツ
クパルスをカウントするN進カウンタと、前記N
進カウンタの出力により前記垂直または前記水平
同期信号から極性に対応した直流信号を得ること
を特徴とする同期信号極性判別回路。 a flip-flop that divides the frequency of a vertical or horizontal synchronizing signal; an N-ary counter that counts clock pulses having a frequency sufficiently higher than the synchronizing signal frequency during the output pulse period of the flip-flop;
A synchronization signal polarity determination circuit, characterized in that a DC signal corresponding to the polarity is obtained from the vertical or horizontal synchronization signal by the output of a forward counter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3578090U JPH03128376U (en) | 1990-04-04 | 1990-04-04 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3578090U JPH03128376U (en) | 1990-04-04 | 1990-04-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH03128376U true JPH03128376U (en) | 1991-12-24 |
Family
ID=31541435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3578090U Pending JPH03128376U (en) | 1990-04-04 | 1990-04-04 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH03128376U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009009895A (en) * | 2007-06-29 | 2009-01-15 | Hosiden Corp | Connector |
JP2009070758A (en) * | 2007-09-18 | 2009-04-02 | Hosiden Corp | Connector |
-
1990
- 1990-04-04 JP JP3578090U patent/JPH03128376U/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009009895A (en) * | 2007-06-29 | 2009-01-15 | Hosiden Corp | Connector |
JP4500832B2 (en) * | 2007-06-29 | 2010-07-14 | ホシデン株式会社 | connector |
JP2009070758A (en) * | 2007-09-18 | 2009-04-02 | Hosiden Corp | Connector |
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