JPH0257670U - - Google Patents

Info

Publication number
JPH0257670U
JPH0257670U JP13687788U JP13687788U JPH0257670U JP H0257670 U JPH0257670 U JP H0257670U JP 13687788 U JP13687788 U JP 13687788U JP 13687788 U JP13687788 U JP 13687788U JP H0257670 U JPH0257670 U JP H0257670U
Authority
JP
Japan
Prior art keywords
signal
scanning speed
modulation circuit
speed modulation
contour correction
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
JP13687788U
Other languages
English (en)
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 JP13687788U priority Critical patent/JPH0257670U/ja
Publication of JPH0257670U publication Critical patent/JPH0257670U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Picture Signal Circuits (AREA)
  • Details Of Television Scanning (AREA)

Description

【図面の簡単な説明】
第１図は本考案の第１の実施例を示すブロツク
図、第２図はその要部の具体的回路構成を示す回
路図、第３図は本考案の第２の実施例を示すブロ
ツク図である。 １３……走査速度変調回路、１４，１４′……
制御回路。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 映像信号の輪郭部分に相当する変調信号に
    より偏向コイルの電流を変化させて輪郭補正を行
    なうようにした走査速度変調回路に於いて、受信
    電界強度に応じて前記変調信号のレベルを変化さ
    せる制御回路を設けることにより、受信電界強度
    に応じて輪郭補正度合を変化させるようにしたこ
    とを特徴とするテレビジヨン受像機の走査速度変
    調回路。 (2) 映像信号の輪郭部分に相当する変調信号に
    より偏向コイルの電流を変化させて輪郭補正を行
    なうようにした走査速度変調回路に於いて、テレ
    ビジヨン信号の無信号状態を検出し、その無信号
    状態検出時に前記変調信号をカツトする制御回路
    を設けることにより、無信号状態時に輪郭補正動
    作を停止させるようにしたことを特徴とするテレ
    ビジヨン受像機の走査速度変調回路。
JP13687788U 1988-10-20 1988-10-20 Pending JPH0257670U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13687788U JPH0257670U (ja) 1988-10-20 1988-10-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13687788U JPH0257670U (ja) 1988-10-20 1988-10-20

Publications (1)

Publication Number Publication Date
JPH0257670U true JPH0257670U (ja) 1990-04-25

Family

ID=31397796

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13687788U Pending JPH0257670U (ja) 1988-10-20 1988-10-20

Country Status (1)

Country Link
JP (1) JPH0257670U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04160875A (ja) * 1990-10-24 1992-06-04 Matsushita Electric Ind Co Ltd 輪郭補償装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5417622A (en) * 1977-07-08 1979-02-09 Matsushita Electric Ind Co Ltd Scanning-speed modulator circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5417622A (en) * 1977-07-08 1979-02-09 Matsushita Electric Ind Co Ltd Scanning-speed modulator circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04160875A (ja) * 1990-10-24 1992-06-04 Matsushita Electric Ind Co Ltd 輪郭補償装置

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