JPS58158533U - Electronic tuner device - Google Patents
Electronic tuner deviceInfo
- Publication number
- JPS58158533U JPS58158533U JP5578882U JP5578882U JPS58158533U JP S58158533 U JPS58158533 U JP S58158533U JP 5578882 U JP5578882 U JP 5578882U JP 5578882 U JP5578882 U JP 5578882U JP S58158533 U JPS58158533 U JP S58158533U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- tuning
- electronic
- electronic tuner
- switching circuit
- 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
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面はこの考案の一実施例であるテレビジョン受信機用
電子チューナ装置の回路図を示す。
図において、１はバンド切替信号端子、２はトランジス
タ、３はダイオード、４は同調電圧発生回路、５は電子
同調チューナ、７はボリューム、８は同調電圧端子を示
す。The drawing shows a circuit diagram of an electronic tuner device for a television receiver, which is an embodiment of the invention. In the figure, 1 is a band switching signal terminal, 2 is a transistor, 3 is a diode, 4 is a tuning voltage generation circuit, 5 is an electronic tuning tuner, 7 is a volume, and 8 is a tuning voltage terminal.
Claims (2)
む電子同調チューナと、前記電子同調チューナの前記電
圧制御型可変リアクタンス素子に可変の同調電圧を与え
る同調電圧発生回路とを備え、同調電圧の変化によって
電子的に受信チャンネルの切替えを行なう電子チューナ
装置であって、 前記電子チューナ装置ぼ、複数の受信バンドの中の成る
予め足めるバンドへの切替信号によって動作する第１の
スイッチング回路と、前記第１のスイッチング回路出力
に結合され、前もって定める規制電圧を設定する規制電
圧設定回路とを備え、前記規制電圧は前記成る予め定め
るパッドの受信規制されるチャンネル周波数に対応の同
調電圧の値に選ばれ、さらに前記電子チューナ装置は前
記規制電圧設定回路と前記同調電圧発生回路出力端子と
の間に結合された第２のスイッチング回路を備え、前記
同調電圧が前記受信規制するチャンネル周波数と対応の
同調電圧の値以下に低下したとき前記前もって定める規
制電圧が前記電圧制御型可変リアクタンス素子に印加さ
れるよう配置構成されていることを特徴とする電子チュ
ーナ製雪。(1) An electronic tuning tuner including a voltage-controlled variable reactance element in a tuning circuit, and a tuning voltage generation circuit that provides a variable tuning voltage to the voltage-controlled variable reactance element of the electronic tuning tuner, and changing the tuning voltage. An electronic tuner device that electronically switches reception channels by a first switching circuit, the electronic tuner device comprising: a first switching circuit operated by a switching signal to a preselected band among a plurality of reception bands; a regulated voltage setting circuit coupled to the output of the first switching circuit and configured to set a predetermined regulated voltage, the regulated voltage being set to a tuning voltage value corresponding to a channel frequency whose reception is regulated for the predetermined pad; The electronic tuner device further includes a second switching circuit coupled between the regulation voltage setting circuit and the tuning voltage generation circuit output terminal, and the tuning voltage corresponds to the reception regulation channel frequency. An electronic tuner snowmaking device, characterized in that the electronic tuner is arranged and configured so that the predetermined regulated voltage is applied to the voltage-controlled variable reactance element when the voltage drops below a tuning voltage value.
あることを特徴とする実用新案登録請求の範囲第１項記
載の電子チューナ装置。(2) The electronic tuner device according to claim 1, wherein the second switching circuit is a unidirectional conductive element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5578882U JPS58158533U (en) | 1982-04-15 | 1982-04-15 | Electronic tuner device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5578882U JPS58158533U (en) | 1982-04-15 | 1982-04-15 | Electronic tuner device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58158533U true JPS58158533U (en) | 1983-10-22 |
Family
ID=30066347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5578882U Pending JPS58158533U (en) | 1982-04-15 | 1982-04-15 | Electronic tuner device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58158533U (en) |
-
1982
- 1982-04-15 JP JP5578882U patent/JPS58158533U/en active Pending
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