JPS58166134U - 電子同調チユ−ナ - Google Patents

電子同調チユ−ナ

Info

Publication number
JPS58166134U
JPS58166134U JP1982062798U JP6279882U JPS58166134U JP S58166134 U JPS58166134 U JP S58166134U JP 1982062798 U JP1982062798 U JP 1982062798U JP 6279882 U JP6279882 U JP 6279882U JP S58166134 U JPS58166134 U JP S58166134U
Authority
JP
Japan
Prior art keywords
band
section
electronic tuning
vhf
input
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
JP1982062798U
Other languages
English (en)
Other versions
JPH0336127Y2 (ja
Inventor
伊地知　定嘉
Original Assignee
アルプス電気株式会社
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 アルプス電気株式会社 filed Critical アルプス電気株式会社
Priority to JP1982062798U priority Critical patent/JPS58166134U/ja
Priority to US06/488,098 priority patent/US4590612A/en
Publication of JPS58166134U publication Critical patent/JPS58166134U/ja
Application granted granted Critical
Publication of JPH0336127Y2 publication Critical patent/JPH0336127Y2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
    • H03J5/242—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
    • H03J5/244—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection using electronic means

Landscapes

  • Superheterodyne Receivers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (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。

Description

【図面の簡単な説明】
第１図は従来の電子同調チューナ、−第２図は本考案に
よる電子同調チューナの一実施例を示す。 １・・・・・・ＶＨＦバンド・セクション、２・・・・
・・スー　　　゛パーバンド・セクション、３・・・・
・・ＵＨＦパッド・セクション、４・・・・・・ＶＨＦ
バンド−局部発振器、５・・・・・・ＶＨＦバンド・ミ
キサ、１１・・・・・・同調電圧端子、１２・・・・・
・ＶＨＦハイバンド端子、１３・・・・・・ＶＨＦｂ−
バンド端子、１４．１４’・・・・・・結合コンデンサ
、１５・・・・・・スイッチング魯ダイオード、１６．
１６’・・・・・・抵抗、２１・・・・・・スーパーバ
ンド端子、２２・・・・・・スイッチング・ダイオード
、２３゜２３′・・・・・・抵抗、２４．２４’・・・
・・・結合コンデンサ、３１・・・・・・ＵＨＦバンド
端子、３２・・・・・・スイッチング・ダイオード、３
３．　３３’・・・・・・抵抗、　　３４．３４’・・
・・・・結合コンデンサ、４１・・・・・・インジエク
ショシΦコンデンサ、５１・・・・・・抵抗。

Claims (1)

    【実用新案登録請求の範囲】
  1. ＶＨＦバンド信号が入力されるＶＨＦバンドセクション
    とスーパーバンド信号が入力サレルスーハーバンドセク
    ションとＵＨＦバンド信号が入力されるＵＨＦバンドセ
    クションとＶＨＦバンドミキサーヲ備ニス−パーバンド
    セクションとＵＨＦバンドセクションの各出力回路にダ
    イオードが接続された電子同調チューナにおいて、ＶＨ
    ＦバンドセクションとＶＨＦバンドミキサーとの間にダ
    イオードと抵抗を接続したことを特徴とする電子同調チ
    ューナ。
JP1982062798U 1982-04-28 1982-04-28 電子同調チユ−ナ Granted JPS58166134U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1982062798U JPS58166134U (ja) 1982-04-28 1982-04-28 電子同調チユ−ナ
US06/488,098 US4590612A (en) 1982-04-28 1983-04-25 Electronic tuner having selectable band sections appropriately biased to mixer/amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982062798U JPS58166134U (ja) 1982-04-28 1982-04-28 電子同調チユ−ナ

Publications (2)

Publication Number Publication Date
JPS58166134U true JPS58166134U (ja) 1983-11-05
JPH0336127Y2 JPH0336127Y2 (ja) 1991-07-31

Family

ID=13210724

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982062798U Granted JPS58166134U (ja) 1982-04-28 1982-04-28 電子同調チユ−ナ

Country Status (2)

Country Link
US (1) US4590612A (ja)
JP (1) JPS58166134U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002082671A1 (fr) * 2001-04-06 2002-10-17 Matsushita Electric Industrial Co., Ltd. Syntoniseur a large bande

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3507865A1 (de) * 1985-03-06 1986-09-11 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung fuer einen tuner zur umschaltung mehrerer frequenzbereiche
DE3633383A1 (de) * 1985-11-02 1988-04-14 Telefunken Electronic Gmbh Fernsehtuner
ATE127970T1 (de) * 1990-05-21 1995-09-15 Siemens Ag Schaltungsanordnung zur bereichsumschaltung in tunern.
ES2075089T3 (es) * 1990-05-21 1995-10-01 Siemens Ag Disposicion de circuito para la conmutacion de zona en sintonizadores.
JP3358724B2 (ja) * 1999-08-20 2002-12-24 シャープ株式会社 電子チューナ
DE60041570D1 (de) * 1999-12-16 2009-04-02 Alps Electric Co Ltd Zweifach abgestimmte Schaltung mit beschränkter Selektivitätsverringerung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4716303U (ja) * 1971-03-19 1972-10-25
JPS5238887U (ja) * 1975-09-11 1977-03-18
JPS52152616U (ja) * 1976-05-14 1977-11-18
JPS5455217U (ja) * 1977-09-26 1979-04-17

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50135912A (ja) * 1974-03-30 1975-10-28
IT1057837B (it) * 1976-04-05 1982-03-30 Indesit Dispositivo per la sintonizzazione di un televisore
US4189678A (en) * 1977-08-18 1980-02-19 Sanyo Electric Co., Ltd. Combination VHF-UHF tuner for use in a television receiver
JPS6038063B2 (ja) * 1978-05-29 1985-08-29 株式会社日立製作所 テレビ用チュ−ナ回路
US4271529A (en) * 1980-03-20 1981-06-02 Zenith Radio Corporation Tunable resonant circuits for a multi-band VHF/UHF/CATV tuner
JPS57115036A (en) * 1981-01-08 1982-07-17 Matsushita Electric Ind Co Ltd Tuner device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4716303U (ja) * 1971-03-19 1972-10-25
JPS5238887U (ja) * 1975-09-11 1977-03-18
JPS52152616U (ja) * 1976-05-14 1977-11-18
JPS5455217U (ja) * 1977-09-26 1979-04-17

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002082671A1 (fr) * 2001-04-06 2002-10-17 Matsushita Electric Industrial Co., Ltd. Syntoniseur a large bande

Also Published As

Publication number Publication date
JPH0336127Y2 (ja) 1991-07-31
US4590612A (en) 1986-05-20

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