JPH0390128U - - Google Patents

Info

Publication number
JPH0390128U
JPH0390128U JP15237989U JP15237989U JPH0390128U JP H0390128 U JPH0390128 U JP H0390128U JP 15237989 U JP15237989 U JP 15237989U JP 15237989 U JP15237989 U JP 15237989U JP H0390128 U JPH0390128 U JP H0390128U
Authority
JP
Japan
Prior art keywords
level
tuning
voltage
automatic fine
detection 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
Application number
JP15237989U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP15237989U priority Critical patent/JPH0390128U/ja
Publication of JPH0390128U publication Critical patent/JPH0390128U/ja
Pending legal-status Critical Current

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Landscapes

  • Television Receiver Circuits (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図はこの考案の一実施例を示す構成図、第
２図はその説明のための図、第３図は従来例の構
成図、第４図はその説明のための図である。 １１，１２……入力端子、１３……チユーナ、
ＣＭ１〜ＣＭ３……比較器、ＯＰａ，ＯＰｂ……
オペアンプ、ＳＷ１〜ＳＷ３……接続スイツチ。 FIG. 1 is a block diagram showing an embodiment of this invention, FIG. 2 is a diagram for explaining the same, FIG. 3 is a block diagram of a conventional example, and FIG. 4 is a diagram for explaining the same. 11, 12...Input terminal, 13...Tuner,
CM1 to CM3... Comparator, OPa, OPb...
Operational amplifier, SW1 to SW3... connection switch.

Claims (1)

【実用新案登録請求の範囲】 チユーナに供給される同調電圧にＡＦＴ電圧を
重畳して自動微同調を行なうものにおいて、 上記同調電圧のレベルを検出するレベル検出手
段と、このレベル検出手段からの検出信号に基づ
いて上記同調電圧に重畳されるＡＦＴ電圧のレベ
ルを制御するレベル制御手段とを備えることを特
徴とする自動微同調回路。[Claims for Utility Model Registration] In a device that performs automatic fine tuning by superimposing an AFT voltage on the tuning voltage supplied to the tuner, a level detection means for detecting the level of the tuning voltage, and a detection from the level detection means. An automatic fine tuning circuit comprising: level control means for controlling the level of an AFT voltage superimposed on the tuning voltage based on a signal.
JP15237989U 1989-12-27 1989-12-27 Pending JPH0390128U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15237989U JPH0390128U (en) 1989-12-27 1989-12-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15237989U JPH0390128U (en) 1989-12-27 1989-12-27

Publications (1)

Publication Number Publication Date
JPH0390128U true JPH0390128U (en) 1991-09-13

Family

ID=31698646

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15237989U Pending JPH0390128U (en) 1989-12-27 1989-12-27

Country Status (1)

Country Link
JP (1) JPH0390128U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4750558B2 (en) * 2004-01-09 2011-08-17 パナソニック株式会社 Recording medium, playback device, program, and playback method.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5840371A (en) * 1981-09-02 1983-03-09 Fujii Minoru Surface treating agent for caulking material and its application to the surface of caulking material
JPS61251303A (en) * 1985-04-30 1986-11-08 Sony Corp Amplifier circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5840371A (en) * 1981-09-02 1983-03-09 Fujii Minoru Surface treating agent for caulking material and its application to the surface of caulking material
JPS61251303A (en) * 1985-04-30 1986-11-08 Sony Corp Amplifier circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4750558B2 (en) * 2004-01-09 2011-08-17 パナソニック株式会社 Recording medium, playback device, program, and playback method.

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