KR920002761B1 - 다중대역 텔레비젼 수상기용 동조 시스템 - Google Patents

다중대역 텔레비젼 수상기용 동조 시스템 Download PDF

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Publication number
KR920002761B1
KR920002761B1 KR1019830001278A KR830001278A KR920002761B1 KR 920002761 B1 KR920002761 B1 KR 920002761B1 KR 1019830001278 A KR1019830001278 A KR 1019830001278A KR 830001278 A KR830001278 A KR 830001278A KR 920002761 B1 KR920002761 B1 KR 920002761B1
Authority
KR
South Korea
Prior art keywords
signal
tuning
band
frequency
resistor
Prior art date
Application number
KR1019830001278A
Other languages
English (en)
Korean (ko)
Other versions
KR840004640A (ko
Inventor
마이클 에반스 로버트
워드 뮤터스포 맥스
Original Assignee
알 씨 에이 라이센싱 코포레이션
글렌 에이취. 브르스틀
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
Priority claimed from US06/363,567 external-priority patent/US4418427A/en
Priority claimed from US06/363,570 external-priority patent/US4418428A/en
Application filed by 알 씨 에이 라이센싱 코포레이션, 글렌 에이취. 브르스틀 filed Critical 알 씨 에이 라이센싱 코포레이션
Publication of KR840004640A publication Critical patent/KR840004640A/ko
Application granted granted Critical
Publication of KR920002761B1 publication Critical patent/KR920002761B1/ko

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/50—Tuning indicators; Automatic tuning control
    • 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
    • H03J5/246—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 using electronic means

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Superheterodyne Receivers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
KR1019830001278A 1982-03-30 1983-03-29 다중대역 텔레비젼 수상기용 동조 시스템 KR920002761B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US06/363,567 US4418427A (en) 1982-03-30 1982-03-30 Tuning system for a multi-band television receiver
US363567 1982-03-30
US363,570 1982-03-30
US363,567 1982-03-30
US363570 1982-03-30
US06/363,570 US4418428A (en) 1982-03-30 1982-03-30 Tuning system for a multi-band television receiver

Publications (2)

Publication Number Publication Date
KR840004640A KR840004640A (ko) 1984-10-22
KR920002761B1 true KR920002761B1 (ko) 1992-04-02

Family

ID=27002116

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019830001278A KR920002761B1 (ko) 1982-03-30 1983-03-29 다중대역 텔레비젼 수상기용 동조 시스템

Country Status (8)

Country Link
KR (1) KR920002761B1 (it)
AT (1) AT386309B (it)
DE (1) DE3311640A1 (it)
FI (1) FI75962C (it)
FR (1) FR2530907B1 (it)
GB (1) GB2117588B (it)
HK (1) HK54389A (it)
IT (1) IT1175304B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4598423A (en) * 1985-02-28 1986-07-01 Rca Corporation Tuning circuit for a multiband tuner
US4658437A (en) * 1985-03-01 1987-04-14 Rca Corporation Tuning voltage tracking arrangement
DE4132907A1 (de) * 1991-10-04 1993-04-08 Thomson Brandt Gmbh Filteranordnung
DE4318276A1 (de) * 1993-06-03 1994-12-08 Thomson Brandt Gmbh Fernsehtuner für terrestrischen Empfang und Satellitenempfang
DE19628186A1 (de) * 1996-07-12 1998-01-15 Philips Patentverwaltung Umschaltbares Bandfilter für Mehrband-Tuner
US6043721A (en) * 1998-02-04 2000-03-28 Motorola, Inc. Dual band amplifier
US6134452A (en) * 1998-11-23 2000-10-17 Motorola, Inc. Multiple band mixer with common local oscillator
US6298224B1 (en) * 1999-02-22 2001-10-02 Motorola, Inc. Multiple frequency band receiver
JP2002118795A (ja) * 2000-10-05 2002-04-19 Alps Electric Co Ltd テレビジョン信号受信チューナー
GB0122983D0 (en) 2001-09-25 2001-11-14 Zarlink Semiconductor Ltd Rdio fequency tuner front end and tuner

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1297171B (de) * 1967-10-28 1969-06-12 Marcus Elektronik Gmbh Abstimmeinrichtung fuer hochfrequente elektrische Schwingungen im UHF- und VHF-Bereich
US4247953A (en) * 1977-07-01 1981-01-27 Hitachi, Ltd. Tunable high-frequency input circuit
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
JPS6017276B2 (ja) * 1979-07-02 1985-05-01 松下電器産業株式会社 多方式テレビジョン受像機
US4408348A (en) * 1981-08-19 1983-10-04 Rca Corporation Multiband tuning system for a television receiver

Also Published As

Publication number Publication date
AT386309B (de) 1988-08-10
FI75962B (fi) 1988-04-29
KR840004640A (ko) 1984-10-22
DE3311640C2 (it) 1990-03-22
GB2117588A (en) 1983-10-12
FR2530907B1 (fr) 1992-02-14
FI830993A0 (fi) 1983-03-23
IT8320349A0 (it) 1983-03-29
DE3311640A1 (de) 1983-10-13
FI75962C (fi) 1988-08-08
GB2117588B (en) 1985-11-27
HK54389A (en) 1989-07-14
FI830993L (fi) 1983-10-01
IT1175304B (it) 1987-07-01
ATA112883A (de) 1987-12-15
FR2530907A1 (fr) 1984-01-27
GB8308098D0 (en) 1983-05-05

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