JPS61126682U - - Google Patents

Info

Publication number
JPS61126682U
JPS61126682U JP1985008759U JP875985U JPS61126682U JP S61126682 U JPS61126682 U JP S61126682U JP 1985008759 U JP1985008759 U JP 1985008759U JP 875985 U JP875985 U JP 875985U JP S61126682 U JPS61126682 U JP S61126682U
Authority
JP
Japan
Prior art keywords
audio
modulator
signals
broadcasting system
intercarrier
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.)
Granted
Application number
JP1985008759U
Other languages
English (en)
Other versions
JPH0438627Y2 (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 JP1985008759U priority Critical patent/JPH0438627Y2/ja
Priority to KR2019850011161U priority patent/KR900003111Y1/ko
Publication of JPS61126682U publication Critical patent/JPS61126682U/ja
Application granted granted Critical
Publication of JPH0438627Y2 publication Critical patent/JPH0438627Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/60Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
    • H04N5/62Intercarrier circuits, i.e. heterodyning sound and vision carriers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2231/00Applications
    • H01H2231/036Radio; TV

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Television Receiver Circuits (AREA)

Description

【図面の簡単な説明】
第1図は本考案の音声インタキヤリア周波数切
換回路の要部回路図、第2図は異なる放送方式の
プリエンフアシス特性を比較した図、第3図はプ
リエンフアシスとデイエンフアシスの異なる時定
数で復調した周波数特性を示す図、第4図は従来
のRFモジユレータの構成図である。 1……クランプ回路、2……変調器・ミキサー
、3……バツフアアンプ、4……音声発振・変調
器、5……同調回路、8……増幅器、9……プリ
エンフアシス回路、10……スイツチ素子、11
……同調容量、13〜15……同調コイル、16
……同調コイルの切換スイツチ、19……切換回
路、21……容量、22,23……抵抗。

Claims (1)

    【実用新案登録請求の範囲】
  1. 切換スイツチにより複数の異なる放送方式の音
    声インタキヤリア周波数を選択的に出力して映像
    信号および音声信号をRF信号に変換するRFモ
    ジユレータにおいて、所望の放送方式への音声イ
    ンタキヤリア周波数の切換えと同時に該所望の放
    送方式に規定されている時定数に音声プリエンフ
    アシス回路の値を切換える構成としたことを特徴
    とする音声インタキヤリア周波数切換装置を有す
    るRFモジユレータ。
JP1985008759U 1985-01-25 1985-01-25 Expired JPH0438627Y2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1985008759U JPH0438627Y2 (ja) 1985-01-25 1985-01-25
KR2019850011161U KR900003111Y1 (ko) 1985-01-25 1985-08-30 음성 인터캐리어 주파수 변환장치를 가진 rf 변조기

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985008759U JPH0438627Y2 (ja) 1985-01-25 1985-01-25

Publications (2)

Publication Number Publication Date
JPS61126682U true JPS61126682U (ja) 1986-08-08
JPH0438627Y2 JPH0438627Y2 (ja) 1992-09-09

Family

ID=11701852

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985008759U Expired JPH0438627Y2 (ja) 1985-01-25 1985-01-25

Country Status (2)

Country Link
JP (1) JPH0438627Y2 (ja)
KR (1) KR900003111Y1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6476558A (en) * 1987-09-18 1989-03-22 Sony Corp Video signal recorder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6476558A (en) * 1987-09-18 1989-03-22 Sony Corp Video signal recorder

Also Published As

Publication number Publication date
KR860010166U (ko) 1986-08-16
JPH0438627Y2 (ja) 1992-09-09
KR900003111Y1 (ko) 1990-04-14

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