JPS6280470U - - Google Patents
Info
- Publication number
- JPS6280470U JPS6280470U JP11383885U JP11383885U JPS6280470U JP S6280470 U JPS6280470 U JP S6280470U JP 11383885 U JP11383885 U JP 11383885U JP 11383885 U JP11383885 U JP 11383885U JP S6280470 U JPS6280470 U JP S6280470U
- Authority
- JP
- Japan
- Prior art keywords
- horizontal
- circuit
- signal
- synchronization signal
- controls
- 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 5
- 238000007493 shaping process Methods 0.000 claims description 3
- 230000001934 delay Effects 0.000 claims 1
- 230000003111 delayed effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Synchronizing For Television (AREA)
Description
第１図はこの考案の一実施例を示すブロツク図
、第２図は上記実施例の動作を説明するための波
形図、第３図は従来の水平ＡＦＣ回路を示すブロ
ツク図、第４図は上記従来例の動作を説明するた
めの波形図である。
図において、１……同期増幅回路、２……比較
信号発生回路、３……位相検波回路、４……積分
回路、５……水平発信回路、６……水平ドライブ
・水平出力回路、７……遅延回路、８……波形成
形回路。なお、図中、同一符号は同一または相当
部分を示す。
Fig. 1 is a block diagram showing an embodiment of this invention, Fig. 2 is a waveform diagram for explaining the operation of the above embodiment, Fig. 3 is a block diagram showing a conventional horizontal AFC circuit, and Fig. 4 is a block diagram showing an embodiment of the invention. FIG. 3 is a waveform diagram for explaining the operation of the conventional example. In the figure, 1...Synchronous amplifier circuit, 2...Comparison signal generation circuit, 3...Phase detection circuit, 4...Integrator circuit, 5...Horizontal oscillation circuit, 6...Horizontal drive/horizontal output circuit, 7... ...Delay circuit, 8...Waveform shaping circuit. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
補正 昭６１．１０．１７
図面の簡単な説明を次のように補正する。
明細書第７頁第８〜９行目の「５……水平発信
回路」を「５……水平発振回路」と訂正する。Amendment October 17, 1981 The brief description of the drawing is amended as follows. "5...Horizontal oscillation circuit" on page 7, lines 8-9 of the specification is corrected to "5...Horizontal oscillation circuit".
Claims (1)
作成した比較信号との位相差を検出して、その差
に対応した電圧により水平発振周波数を制御する
水平自動周波数制御回路を有するデイスプレイ装
置の水平偏向回路において、上記水平同期信号を
１／２水平周期遅延する遅延回路と該遅延された
同期信号のパルス幅を所定幅に拡大する波形成形
回路とを設け、該波形成形回路の出力パルスと上
記比較信号を極性反転した信号との位相差を検出
して水平発振周波数を制御することを特徴とする
水平偏向回路。 A horizontal deflection circuit for a display device that has a horizontal automatic frequency control circuit that detects the phase difference between a horizontal synchronization signal and a comparison signal created from the output pulse of a horizontal output circuit, and controls the horizontal oscillation frequency using a voltage corresponding to the difference. A delay circuit that delays the horizontal synchronization signal by 1/2 horizontal period and a waveform shaping circuit that expands the pulse width of the delayed synchronization signal to a predetermined width are provided, and the output pulse of the waveform shaping circuit and the comparison signal are A horizontal deflection circuit that controls a horizontal oscillation frequency by detecting a phase difference between the signal and a signal whose polarity is inverted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11383885U JPS6280470U (en) | 1985-07-23 | 1985-07-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11383885U JPS6280470U (en) | 1985-07-23 | 1985-07-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6280470U true JPS6280470U (en) | 1987-05-22 |
Family
ID=30996018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11383885U Pending JPS6280470U (en) | 1985-07-23 | 1985-07-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6280470U (en) |
-
1985
- 1985-07-23 JP JP11383885U patent/JPS6280470U/ja active Pending
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