JPS60163877U - Video signal receiving circuit - Google Patents

Video signal receiving circuit

Info

Publication number
JPS60163877U
JPS60163877U JP5242884U JP5242884U JPS60163877U JP S60163877 U JPS60163877 U JP S60163877U JP 5242884 U JP5242884 U JP 5242884U JP 5242884 U JP5242884 U JP 5242884U JP S60163877 U JPS60163877 U JP S60163877U
Authority
JP
Japan
Prior art keywords
video signal
frequency signal
receiving circuit
level
video
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
JP5242884U
Other languages
Japanese (ja)
Inventor
沢田　繁
浦田　一夫
Original Assignee
日本ビクター株式会社
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 by 日本ビクター株式会社 filed Critical 日本ビクター株式会社
Priority to JP5242884U priority Critical patent/JPS60163877U/en
Publication of JPS60163877U publication Critical patent/JPS60163877U/en
Pending legal-status Critical Current

Links

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は従来回路の一例のブロック系統図、第２図及び
第３図は夫々本考案回路の一実施例のブロック系統図及
び第２図示の可変形フィルタの周波数伝送特性図である
。 ２・・・テレビジョンチューナ、９・・・映像検波回路
、１０・・・出力端子、１１・・・ＳＩＦレベル検出器
、１２・・・可変形下フィルタ。FIG. 1 is a block diagram of an example of a conventional circuit, and FIGS. 2 and 3 are a block diagram of an embodiment of the circuit of the present invention, and a frequency transmission characteristic diagram of the variable filter shown in FIG. 2... Television tuner, 9... Video detection circuit, 10... Output terminal, 11... SIF level detector, 12... Variable lower filter.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 映像高周波信号を受信し選局同調をとめることにより映
像中間周波信号を出力するチューナと、該チューナの出
力を検波して復調映像信号を得る゛　　　検波回路とを
備えられた映像信号受信回路におい、　　　て、該復調
映像信号に含まれる音声中間周波信号のレベル又はカラ
ーバースト信号のレベルを検出してこのレベルと予め設
定されている基準レベルとの差に比例した制御電圧を取
出す回路と、上記中間周波信号の伝送路に設けられ、該
制御電圧に応じて周波数伝送特性を可変される中間周波
信号帯域フィルタとを設けてなる映像信号受信回路。A video signal receiving circuit equipped with a tuner that receives a video high frequency signal and outputs a video intermediate frequency signal by stopping tuning, and a detection circuit that detects the output of the tuner to obtain a demodulated video signal, a circuit that detects the level of the audio intermediate frequency signal or the level of the color burst signal contained in the demodulated video signal and extracts a control voltage proportional to the difference between this level and a preset reference level; A video signal receiving circuit comprising: an intermediate frequency signal bandpass filter that is provided on a frequency signal transmission path and whose frequency transmission characteristics are varied according to the control voltage.
JP5242884U 1984-04-09 1984-04-09 Video signal receiving circuit Pending JPS60163877U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5242884U JPS60163877U (en) 1984-04-09 1984-04-09 Video signal receiving circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5242884U JPS60163877U (en) 1984-04-09 1984-04-09 Video signal receiving circuit

Publications (1)

Publication Number Publication Date
JPS60163877U true JPS60163877U (en) 1985-10-31

Family

ID=30572371

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5242884U Pending JPS60163877U (en) 1984-04-09 1984-04-09 Video signal receiving circuit

Country Status (1)

Country Link
JP (1) JPS60163877U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6395373U (en) * 1986-12-10 1988-06-20

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6395373U (en) * 1986-12-10 1988-06-20

Similar Documents

Publication Publication Date Title
JPS60163877U (en) Video signal receiving circuit
JPS5819519U (en) automatic gain control device
JPS5942789Y2 (en) television receiver
JPS6123775U (en) tuner unit
JPS6019268U (en) Automatic quality adjustment circuit
JPS6214858U (en)
JPS62159063U (en)
JPS6064676U (en) Audio carrier frequency discrimination circuit in television receiver for multi-system reception
JPS5816927U (en) Intermediate frequency filter circuit for television receivers
JPS5823466U (en) television receiver
JPS6030674U (en) TV receiver PIF PLL synchronous detection circuit
JPS6123779U (en) CATV converter
JPS60127050U (en) Television tuner input tuning circuit
JPS596353U (en) AM stereo demodulator
JPS59149753U (en) stereo demodulator
JPS6183348U (en)
JPS5866771U (en) Audio detection circuit
JPS5933374U (en) television receiver
JPS609384U (en) Brightness adjustment device for teletext television receivers
JPS628771U (en)
JPH0348937U (en)
JPS5823428U (en) Receiver tuning display device
JPS5927672U (en) Audio mode display device
JPS59108377U (en) Audio/video detection circuit
JPS623123U (en)