JPS6210574U - - Google Patents
Info
- Publication number
- JPS6210574U JPS6210574U JP10300585U JP10300585U JPS6210574U JP S6210574 U JPS6210574 U JP S6210574U JP 10300585 U JP10300585 U JP 10300585U JP 10300585 U JP10300585 U JP 10300585U JP S6210574 U JPS6210574 U JP S6210574U
- Authority
- JP
- Japan
- Prior art keywords
- video signal
- analog video
- polarity
- signal
- analog
- 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
- 239000004973 liquid crystal related substance Substances 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Picture Signal Circuits (AREA)
- Transforming Electric Information Into Light Information (AREA)
Description
第１図はこの考案の一実施例を示す構成図、第
２図はそれの制御信号波形を示すタイムチヤート
、第３図は従来のアナログ映像信号の極性反転回
路の構成図である。
図において、１はアナログ映像信号の入力端子
、２は制御信号の入力端子、５はバツフア、６は
出力端子、７はアナログ乗算器である。図中同一
符号は同一或は相当部分を示す。
FIG. 1 is a block diagram showing an embodiment of this invention, FIG. 2 is a time chart showing its control signal waveform, and FIG. 3 is a block diagram of a conventional analog video signal polarity inversion circuit. In the figure, 1 is an input terminal for an analog video signal, 2 is an input terminal for a control signal, 5 is a buffer, 6 is an output terminal, and 7 is an analog multiplier. The same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
て反転、非反転させるアナログ映像信号の極性反
転回路において、上記アナログ映像信号をアナロ
グ乗算器に入力し、このアナログ乗算器の制御信
号入力端子に上記制御信号として極性が正負反転
する矩形波信号を印加し、この乗算器にて上記ア
ナログ映像信号と上記制御信号とを掛け合わせ、
所要の極性が反転、非反転したアナログ映像信号
を得るようにしたアナログ映像信号の極性反転回
路。 (2) 上記アナログ映像信号は液晶デイスプレイ
用の映像信号であり、上記制御信号は、上記映像
信号の垂直同期信号に同期し、１フレーム或は１
フイールド毎に極性が正負反転する矩形波信号で
あるアナログ映像信号の極性反転回路。 (3) 上記アナログ乗算器をバイポーラプロセス
により作られたＩＣで構成した実用新案登録請求
の範囲第１又は第２項記載のアナログ映像信号の
極性反転回路。[Claims for Utility Model Registration] (1) In an analog video signal polarity inversion circuit that inverts or non-inverts the polarity of an analog video signal according to a control signal, the analog video signal is input to an analog multiplier, and the analog A rectangular wave signal whose polarity is inverted is applied as the control signal to the control signal input terminal of the multiplier, and the multiplier multiplies the analog video signal and the control signal.
An analog video signal polarity inverting circuit configured to obtain an analog video signal with a desired polarity inverted or non-inverted. (2) The analog video signal is a video signal for a liquid crystal display, and the control signal is synchronized with the vertical synchronization signal of the video signal and
A polarity inversion circuit for an analog video signal, which is a rectangular wave signal whose polarity is inverted for each field. (3) The analog video signal polarity inverting circuit according to claim 1 or 2, wherein the analog multiplier is constituted by an IC made by a bipolar process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10300585U JPS6210574U (en) | 1985-07-04 | 1985-07-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10300585U JPS6210574U (en) | 1985-07-04 | 1985-07-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6210574U true JPS6210574U (en) | 1987-01-22 |
Family
ID=30975161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10300585U Pending JPS6210574U (en) | 1985-07-04 | 1985-07-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6210574U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58195708A (en) * | 1982-05-12 | 1983-11-15 | Mitsubishi Heavy Ind Ltd | Soot blower |
-
1985
- 1985-07-04 JP JP10300585U patent/JPS6210574U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58195708A (en) * | 1982-05-12 | 1983-11-15 | Mitsubishi Heavy Ind Ltd | Soot blower |
| JPH04169B2 (en) * | 1982-05-12 | 1992-01-06 | Mitsubishi Heavy Ind Ltd |
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