BR8803482A - Circuito de input tv-rf - Google Patents

Circuito de input tv-rf

Info

Publication number
BR8803482A
BR8803482A BR8803482A BR8803482A BR8803482A BR 8803482 A BR8803482 A BR 8803482A BR 8803482 A BR8803482 A BR 8803482A BR 8803482 A BR8803482 A BR 8803482A BR 8803482 A BR8803482 A BR 8803482A
Authority
BR
Brazil
Prior art keywords
input
circuit
Prior art date
Application number
BR8803482A
Other languages
English (en)
Inventor
Johannes Hendricus Hendriks
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of BR8803482A publication Critical patent/BR8803482A/pt

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
BR8803482A 1987-07-13 1988-07-11 Circuito de input tv-rf BR8803482A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8701641A NL8701641A (nl) 1987-07-13 1987-07-13 Tv-hf ingangsschakeling.

Publications (1)

Publication Number Publication Date
BR8803482A true BR8803482A (pt) 1989-01-31

Family

ID=19850297

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8803482A BR8803482A (pt) 1987-07-13 1988-07-11 Circuito de input tv-rf

Country Status (7)

Country Link
US (1) US4851796A (pt)
EP (1) EP0299578B1 (pt)
JP (1) JP2732856B2 (pt)
BR (1) BR8803482A (pt)
DE (1) DE3875661T2 (pt)
ES (1) ES2036254T3 (pt)
NL (1) NL8701641A (pt)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4008186C2 (de) * 1990-03-15 1999-09-09 Thomson Brandt Gmbh Schaltungsanordnung zum Empfang von Hochfrequenzsignalen
EP0457932B1 (de) * 1990-05-21 1995-08-09 Siemens Aktiengesellschaft Schaltungsanordnung zur Bereichsumschaltung in Tunern
ES2076989T3 (es) * 1990-05-21 1995-11-16 Siemens Ag Disposicion de circuito para la conmutacion de zona en sintonizadores.
GB2276785B (en) * 1993-03-31 1997-01-08 Marconi Gec Ltd Changeover means for R F source
JPH0879116A (ja) * 1994-09-09 1996-03-22 Toshiba Corp 利得切り替え回路及びこれを用いた無線装置
SG46174A1 (en) * 1996-01-10 1998-02-20 Philips Electronics Nv Tv/fm receiver for multi-media applications
JP3979669B2 (ja) * 1996-01-10 2007-09-19 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴイ マルチメディアアプリケーション用ｔｖ／ｆｍ受信機
JP2803723B2 (ja) * 1996-09-02 1998-09-24 日本電気株式会社 周波数変換型フィルタ
DE19819544A1 (de) * 1998-04-30 1999-11-11 Siemens Ag Schaltungsanordnung zur Bereichsumschaltung in Hochfrequenzempfängern
SG70642A1 (en) * 1998-06-10 2000-02-22 Koninkl Philips Electronics Nv Mixer oscillator stage
JP2000299438A (ja) * 1999-04-15 2000-10-24 Hitachi Ltd 半導体集積回路
DE10039191C1 (de) * 2000-08-10 2002-01-17 Infineon Technologies Ag Hochfrequenz-Eingangsstufe
US20030131127A1 (en) * 2002-01-05 2003-07-10 King Randy J. KVM video & OSD switch
CN1957534B (zh) * 2004-05-19 2010-06-09 Nxp股份有限公司 3波段tv-rf输入电路
US7512391B2 (en) * 2005-05-24 2009-03-31 Freescale Semiconductor, Inc. Self-aligning resonator filter circuit and wideband tuner circuit incorporating same
JP4760701B2 (ja) 2006-12-26 2011-08-31 ソニー株式会社 フロントエンド集積回路
TWI470928B (zh) * 2009-09-02 2015-01-21 Mstar Semiconductor Inc 調諧器及其前級電路
JP6538628B2 (ja) * 2016-09-05 2019-07-03 株式会社東芝 フィルタ回路及びワイヤレス電力伝送システム

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2113157A (en) * 1936-01-31 1938-04-05 Rca Corp Coil system for multiple range radio receivers and the like
GB528403A (en) * 1939-05-05 1940-10-29 Siemens Brothers & Co Ltd Improvements in or relating to electrical filter circuits
US3593222A (en) * 1969-05-21 1971-07-13 Alpha Ind Inc Microwave series switch biasing circuit
DE2412689C3 (de) * 1974-03-16 1978-04-27 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung zur Abstimmung und Bereichs- bzw. Bandumschaltung eines HF-Schwingungskreises
US4612571A (en) * 1984-12-07 1986-09-16 Zenith Electronics Corporation Constant Z bandswitched input filter
DE3538921A1 (de) * 1985-11-02 1987-05-14 Telefunken Electronic Gmbh Fernsehtuner

Also Published As

Publication number Publication date
JP2732856B2 (ja) 1998-03-30
NL8701641A (nl) 1989-02-01
DE3875661T2 (de) 1993-05-27
EP0299578A1 (en) 1989-01-18
EP0299578B1 (en) 1992-11-04
US4851796A (en) 1989-07-25
ES2036254T3 (es) 1993-05-16
JPS6439812A (en) 1989-02-10
DE3875661D1 (de) 1992-12-10

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Legal Events

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TC Change of name
TC Change of name
B19A Notification of judicial decision: notification of judicial decision

Free format text: INPI-52400.000917/00 5A VARA FEDERAL DO RIO DE JANEIRO PROC. NO2000.51.01.008490-1 - TIPO II AUTOR:KONINKLIJKE PHILIPS ELECTRONICS N.V. REU: INPI - INSTITUTO NACIONAL DA PROPRIEDADE INDUSTRIAL - INPI DECISAO: ISTO POSTO, JULGO PROCEDENTE O PEDIDO, PARA CONDENAR O REU A RECONHECER A AUTORA O DIREITO DE QUE SUAS PATENTES

Free format text: INPI-52400.000917/00 5A VARA FEDERAL DO RIO DE JANEIRO PROC. Nø2000.51.01.008490-1 - TIPO II AUTOR:KONINKLIJKE PHILIPS ELECTRONICS N.V. REU: INPI - INSTITUTO NACIONAL DA PROPRIEDADE INDUSTRIAL - INPI DECISAO: ISTO POSTO, JULGO PROCEDENTE O PEDIDO, PARA CONDENAR O REU A RECONHECER A AUTORA O DIREITO DE QUE SUAS PATENTES Nø: PI 8204347-7; PI 8104478-0; PI 8301185-4; PI 8302418-2; PI 8304126-5; PI 8404319-9; PI 8405179-5; PI 8501277-7; PI 8700846-7; PI 8702380-6; PI 8705271-7; PI 8801842-3; PI 8803482-8; PI 9002618-7; PI 9002617-9 E PI 9004274-3 VIGOREM PELO PRAZO DE 20 (VINTE) ANOS, A CONTAR DA DATA DO RESPECTIVO DEPOSITO, ASSEGURANDO-IHE, AINDA, A POSSIBILIDADE DE PAGAR AS RETRIBUICOES ANUAI

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 11/07/2008