JPH045771U - - Google Patents
Info
- Publication number
- JPH045771U JPH045771U JP4585090U JP4585090U JPH045771U JP H045771 U JPH045771 U JP H045771U JP 4585090 U JP4585090 U JP 4585090U JP 4585090 U JP4585090 U JP 4585090U JP H045771 U JPH045771 U JP H045771U
- Authority
- JP
- Japan
- Prior art keywords
- setting
- signal
- image quality
- soft
- luminance
- 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
Landscapes
- Picture Signal Circuits (AREA)
Description
第１図はこの考案の実施例を示すブロツク図で
ある。第２図は第１図実施例の変形例を示す要部
回路図である。
図において、１，２……回転ヘツド、３，４…
…前置増幅器、６……ピーキング回路、９……Ｆ
Ｍ復調回路、１３……２次微分回路、１４……ア
ツテネータ、Ｃ１，２１，２７，２８，２９……
コンデンサ、２２……スイツチングトランジスタ
、２３……手動スイツチ、２３′……ボリユーム
、Ｌ１……コイルである。
FIG. 1 is a block diagram showing an embodiment of this invention. FIG. 2 is a main circuit diagram showing a modification of the embodiment shown in FIG. 1. In the figure, 1, 2... rotating head, 3, 4...
...Preamplifier, 6...Peaking circuit, 9...F
M demodulation circuit, 13...Second order differential circuit, 14...Attenuator, C1, 21, 27, 28, 29...
Capacitor, 22... switching transistor, 23... manual switch, 23'... volume, L1... coil.
Claims (1)
手段、 前記設定手段によつてソフト側に設定されたと
き輝度ＦＭ信号のピーキング周波数を変化させる
ピーキング周波数変化手段、および 前記設定手段によつてシヤープ側に設定された
ときＦＭ復調後の輝度信号を処理する処理手段を
備える、画質調整回路。[Claims for Utility Model Registration] Setting means for setting image quality to soft or sharp side; peaking frequency changing means for changing the peaking frequency of a luminance FM signal when set to soft side by said setting means; and said setting. An image quality adjustment circuit comprising processing means for processing a luminance signal after FM demodulation when the brightness signal is set to the sharp side by the means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4585090U JPH045771U (en) | 1990-04-28 | 1990-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4585090U JPH045771U (en) | 1990-04-28 | 1990-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH045771U true JPH045771U (en) | 1992-01-20 |
Family
ID=31560394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4585090U Pending JPH045771U (en) | 1990-04-28 | 1990-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH045771U (en) |
-
1990
- 1990-04-28 JP JP4585090U patent/JPH045771U/ja active Pending