JPS6090944U - FM-TV automatic switching circuit - Google Patents

FM-TV automatic switching circuit

Info

Publication number
JPS6090944U
JPS6090944U JP18299883U JP18299883U JPS6090944U JP S6090944 U JPS6090944 U JP S6090944U JP 18299883 U JP18299883 U JP 18299883U JP 18299883 U JP18299883 U JP 18299883U JP S6090944 U JPS6090944 U JP S6090944U
Authority
JP
Japan
Prior art keywords
broadcast band
automatic switching
switching circuit
circuit
tuning
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
JP18299883U
Other languages
Japanese (ja)
Other versions
JPH0321091Y2 (en
Inventor
原田　源夫
Original Assignee
パイオニア株式会社
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 パイオニア株式会社 filed Critical パイオニア株式会社
Priority to JP18299883U priority Critical patent/JPS6090944U/en
Publication of JPS6090944U publication Critical patent/JPS6090944U/en
Application granted granted Critical
Publication of JPH0321091Y2 publication Critical patent/JPH0321091Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Superheterodyne Receivers (AREA)
  • Noise Elimination (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (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

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

第１図は従来の回路例を示す回路図、第２図は本考案に
よる回路の一実施例を示す回路図である。 １・・・・・・ＩＦ及び検波段、３・・・・・・ディエ
ンファシス回路、４・・・・・・同調検出表示回路、５
・・・・・・切換制御回路、５ａ・・・・・・同調電圧
に対応する電圧の入力、ｑ、Ｑ７・・・・・・トランジ
スタ。FIG. 1 is a circuit diagram showing an example of a conventional circuit, and FIG. 2 is a circuit diagram showing an embodiment of a circuit according to the present invention. 1... IF and detection stage, 3... De-emphasis circuit, 4... Tuning detection display circuit, 5
...Switching control circuit, 5a... Voltage input corresponding to tuning voltage, q, Q7... Transistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 同調電圧を変えることによってＦＭ放送帯からＴＶ放送
帯までを連続して受信できるようにした電子同調式のＦ
Ｍ広帯域受信機において、ＦＭ放送帯とＴＶ放送帯の間
を境にして加えられる同調電圧と同調検出との論理積を
とる回路を備え、該論理積に基づいてＩＦ及び検波段の
出力のディエンファシス回路の特性を切換えるようにし
たことを特徴とするＦＭ−ＴＶ自動切換回路。An electronically tuned F that allows continuous reception from the FM broadcast band to the TV broadcast band by changing the tuning voltage.
The M wideband receiver is equipped with a circuit that takes the AND of the tuning voltage applied between the FM broadcast band and the TV broadcast band and the tuning detection, and based on the AND, outputs of the IF and the detection stage are An FM-TV automatic switching circuit characterized by switching the characteristics of an emphasis circuit.
JP18299883U 1983-11-29 1983-11-29 FM-TV automatic switching circuit Granted JPS6090944U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18299883U JPS6090944U (en) 1983-11-29 1983-11-29 FM-TV automatic switching circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18299883U JPS6090944U (en) 1983-11-29 1983-11-29 FM-TV automatic switching circuit

Publications (2)

Publication Number Publication Date
JPS6090944U true JPS6090944U (en) 1985-06-21
JPH0321091Y2 JPH0321091Y2 (en) 1991-05-08

Family

ID=30396164

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18299883U Granted JPS6090944U (en) 1983-11-29 1983-11-29 FM-TV automatic switching circuit

Country Status (1)

Country Link
JP (1) JPS6090944U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0397241U (en) * 1989-12-31 1991-10-07

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57184336A (en) * 1981-08-18 1982-11-13 Matsushita Electric Ind Co Ltd Fm receiver
JPS5899945U (en) * 1981-12-24 1983-07-07 パイオニア株式会社 Day emphasis circuit switching device
JPS58176445U (en) * 1982-05-20 1983-11-25 三洋電機株式会社 AM/FM stereo receiver

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57184336A (en) * 1981-08-18 1982-11-13 Matsushita Electric Ind Co Ltd Fm receiver
JPS5899945U (en) * 1981-12-24 1983-07-07 パイオニア株式会社 Day emphasis circuit switching device
JPS58176445U (en) * 1982-05-20 1983-11-25 三洋電機株式会社 AM/FM stereo receiver

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0397241U (en) * 1989-12-31 1991-10-07

Also Published As

Publication number Publication date
JPH0321091Y2 (en) 1991-05-08

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