JPS59144974U - Television receiver channel selection circuit - Google Patents
Television receiver channel selection circuitInfo
- Publication number
- JPS59144974U JPS59144974U JP3926383U JP3926383U JPS59144974U JP S59144974 U JPS59144974 U JP S59144974U JP 3926383 U JP3926383 U JP 3926383U JP 3926383 U JP3926383 U JP 3926383U JP S59144974 U JPS59144974 U JP S59144974U
- Authority
- JP
- Japan
- Prior art keywords
- channel selection
- television receiver
- selection circuit
- terminal
- television
- 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)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (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
第1図は従来の選局回路図、第2図は本考案による選局
回路の一実施例を示す電気回路図、第3図はFMとテレ
ビ放送受信可能な受信機のブロック図、第4図はテレビ
チューナ回路のブロック図である。
1□〜11□・・・ポテンショメータ、21〜2,2・
・・バンド切換スイッチ、3・・・チャンネル切換スイ
ッチ、8・・・入出力コネクタ、10・・・FM受信機
、12・・・FMチューナ回路、17・・−TV受信機
、19・・・TVチューナ回路、26・・・UHFチュ
ーナ回路、27・・・VHFチューナ回路、45. 4
6. 47・・・スイッチング用トランジスタ。Fig. 1 is a conventional channel selection circuit diagram, Fig. 2 is an electric circuit diagram showing an embodiment of the channel selection circuit according to the present invention, Fig. 3 is a block diagram of a receiver capable of receiving FM and TV broadcasts, and Fig. 4 The figure is a block diagram of a television tuner circuit. 1□~11□・・・Potentiometer, 21~2,2・
... Band selection switch, 3... Channel selection switch, 8... Input/output connector, 10... FM receiver, 12... FM tuner circuit, 17... -TV receiver, 19... TV tuner circuit, 26... UHF tuner circuit, 27... VHF tuner circuit, 45. 4
6. 47...Switching transistor.
Claims (2)
HFのテレビ用電子チューナ回路、FM放送チューナ回
路を具備したものにおいて、チャンネルプリセット用の
複数のポテンショメータと、これらのポテンショメータ
毎に設けられた3接点切換のバンド切換スイッチと、こ
のバンド切換スイッチの3接点にそれぞれ結合されたV
HF用端子、UHF用端子、FM放送用端子および前記
ポテンショメータに結合されたチューニング用端子を有
する入力出力コネクタとを具備してなることを特徴とす
るテレビジョン受信機の選局回路。(1) Electronic tuner circuit for VHFI band television, U
In a device equipped with an HF electronic tuner circuit for television or an FM broadcast tuner circuit, a plurality of potentiometers for channel presetting, a 3-contact band changeover switch provided for each of these potentiometers, and 3 of these band changeover switches are used. V respectively coupled to the contacts
A channel selection circuit for a television receiver, comprising: an HF terminal, a UHF terminal, an FM broadcasting terminal, and an input/output connector having a tuning terminal coupled to the potentiometer.
端子間にそれぞれスイッチング用トランジスタを挿入し
てなる実用新案登録請求の範囲第1項記載のテレビジョ
ン受信機の選局回路。(2) The channel selection circuit for a television receiver according to claim 1, which is a utility model, and includes switching transistors inserted between the three contacts of the band changeover switch and the terminals of the input/output connector.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3926383U JPS59144974U (en) | 1983-03-18 | 1983-03-18 | Television receiver channel selection circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3926383U JPS59144974U (en) | 1983-03-18 | 1983-03-18 | Television receiver channel selection circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS59144974U true JPS59144974U (en) | 1984-09-27 |
Family
ID=30169915
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3926383U Pending JPS59144974U (en) | 1983-03-18 | 1983-03-18 | Television receiver channel selection circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59144974U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6231276A (en) * | 1985-08-02 | 1987-02-10 | Matsushita Electric Ind Co Ltd | Signal change over device |
-
1983
- 1983-03-18 JP JP3926383U patent/JPS59144974U/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6231276A (en) * | 1985-08-02 | 1987-02-10 | Matsushita Electric Ind Co Ltd | Signal change over device |
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