JPS62155579U - - Google Patents
Info
- Publication number
- JPS62155579U JPS62155579U JP4382986U JP4382986U JPS62155579U JP S62155579 U JPS62155579 U JP S62155579U JP 4382986 U JP4382986 U JP 4382986U JP 4382986 U JP4382986 U JP 4382986U JP S62155579 U JPS62155579 U JP S62155579U
- Authority
- JP
- Japan
- Prior art keywords
- tuning
- circuit
- input
- switching circuit
- antenna input
- 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 4
Description
第１図は、この考案の選局装置の一実施例を示
す概略回路構成図、第２図は、第１図に示した同
調電圧発生回路の出力特性を示す図、第３図は、
従来の選局装置の一例を示す概略回路構成図であ
る。
１１……選局装置、１２……入力切り換え回路
、１３……選局回路、１４……制御回路、Ａ１，
Ａ２，Ａ３，Ａ４，Ａ５……アンテナ入力端子。
FIG. 1 is a schematic circuit diagram showing an embodiment of the tuning device of this invention, FIG. 2 is a diagram showing the output characteristics of the tuning voltage generating circuit shown in FIG. 1, and FIG. 3 is a diagram showing the output characteristics of the tuning voltage generating circuit shown in FIG.
FIG. 1 is a schematic circuit configuration diagram showing an example of a conventional channel selection device. 11...Tuning device, 12...Input switching circuit, 13...Tuning selection circuit, 14...Control circuit, A1,
A2, A3, A4, A5...Antenna input terminals.
Claims (1)
り換え操作により一のアンテナ入力端子が選択的
に接続状態とされる入力切り換え回路と、この入
力切り換え回路を介して入力された信号を、指定
されたチヤンネル周波数に合わせて同調選局する
選局回路と、前記入力切り換え回路に連動して動
作し、特定のアンテナ入力端子が接続状態とされ
たときに、事前に設定済みの所定の同調制御信号
を前記選局回路に供給し、自動的に同調選局状態
とする制御回路とから構成してなる選局装置。 An input switching circuit that has multiple antenna input terminals, one antenna input terminal is selectively connected by an external switching operation, and a signal input through this input switching circuit is connected to a specified It operates in conjunction with a tuning circuit that tunes to match the channel frequency and the input switching circuit, and sends a preset tuning control signal when a specific antenna input terminal is connected. A tuning device comprising: a control circuit that supplies power to the tuning circuit to automatically set the tuned tuning state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4382986U JPS62155579U (en) | 1986-03-25 | 1986-03-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4382986U JPS62155579U (en) | 1986-03-25 | 1986-03-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62155579U true JPS62155579U (en) | 1987-10-02 |
Family
ID=30861060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4382986U Pending JPS62155579U (en) | 1986-03-25 | 1986-03-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62155579U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5138821A (en) * | 1974-09-27 | 1976-03-31 | New Nippon Electric Co | |
| JPS5950673A (en) * | 1982-09-16 | 1984-03-23 | Sony Corp | Television receiver |
-
1986
- 1986-03-25 JP JP4382986U patent/JPS62155579U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5138821A (en) * | 1974-09-27 | 1976-03-31 | New Nippon Electric Co | |
| JPS5950673A (en) * | 1982-09-16 | 1984-03-23 | Sony Corp | Television receiver |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS62155579U (en) | ||
| JPH01135874U (en) | ||
| JPS6361819U (en) | ||
| JPS6421536U (en) | ||
| JPS63159935U (en) | ||
| JPS6315629U (en) | ||
| JPS6140020U (en) | Voltage controlled oscillator circuit | |
| JPS6170448U (en) | ||
| JPH0222533U (en) | ||
| JPS63114542U (en) | ||
| JPS63156122U (en) | ||
| JPH0188522U (en) | ||
| JPH0436336U (en) | ||
| JPS61199931U (en) | ||
| JPS637817U (en) | ||
| JPS6390316U (en) | ||
| JPS6444729U (en) | ||
| JPS6232645U (en) | ||
| JPS6390327U (en) | ||
| JPS62151229U (en) | ||
| JPS6331627U (en) | ||
| JPS62201530U (en) | ||
| JPS62152565U (en) | ||
| JPS58149806U (en) | Audio intermediate frequency conversion circuit | |
| JPS63117114U (en) |