JPS62133430U - - Google Patents
Info
- Publication number
- JPS62133430U JPS62133430U JP2040986U JP2040986U JPS62133430U JP S62133430 U JPS62133430 U JP S62133430U JP 2040986 U JP2040986 U JP 2040986U JP 2040986 U JP2040986 U JP 2040986U JP S62133430 U JPS62133430 U JP S62133430U
- Authority
- JP
- Japan
- Prior art keywords
- output
- tuning voltage
- video
- detecting means
- generating means
- 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 2
Landscapes
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Description
第１図は実施例の回路ブロツク図、第２図はフ
ローチヤート、第３図、第４図はロータリースイ
ツチを示す図である。
FIG. 1 is a circuit block diagram of the embodiment, FIG. 2 is a flowchart, and FIGS. 3 and 4 are diagrams showing a rotary switch.
Claims (1)
するパルス発生手段と、チユーナ出力における映
像信号の有無を検出する映像検出手段と、前記パ
ルス信号に基づきチユーナへのチユーニング電圧
を変化させるとともに、前記映像検出手段出力に
基づいて前記チユーニング電圧の変化量を制御す
るチユーニング電圧作成手段とよりなる選局装置
。 pulse generating means for generating two types of pulse signals in relation to rotational operations; video detecting means for detecting the presence or absence of a video signal at the output of the tuner; A channel selection device comprising tuning voltage generating means for controlling the amount of change in the tuning voltage based on the output of the video detecting means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2040986U JPS62133430U (en) | 1986-02-14 | 1986-02-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2040986U JPS62133430U (en) | 1986-02-14 | 1986-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62133430U true JPS62133430U (en) | 1987-08-22 |
Family
ID=30815892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2040986U Pending JPS62133430U (en) | 1986-02-14 | 1986-02-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62133430U (en) |
-
1986
- 1986-02-14 JP JP2040986U patent/JPS62133430U/ja active Pending