AU2001250546A1 - Bandswitichable double tuned circuit - Google Patents

Bandswitichable double tuned circuit

Info

Publication number
AU2001250546A1
AU2001250546A1 AU2001250546A AU5054601A AU2001250546A1 AU 2001250546 A1 AU2001250546 A1 AU 2001250546A1 AU 2001250546 A AU2001250546 A AU 2001250546A AU 5054601 A AU5054601 A AU 5054601A AU 2001250546 A1 AU2001250546 A1 AU 2001250546A1
Authority
AU
Australia
Prior art keywords
bandswitichable
tuned circuit
double tuned
double
circuit
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.)
Abandoned
Application number
AU2001250546A
Inventor
Paul Jeffrey-Read
Takashi Maruyama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alps Electric UK Ltd
Original Assignee
Alps Electric UK Ltd
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 Alps Electric UK Ltd filed Critical Alps Electric UK Ltd
Publication of AU2001250546A1 publication Critical patent/AU2001250546A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/24—Continuous tuning of more than one resonant circuit simultaneously, the circuits being tuned to substantially the same frequency, e.g. for single-knob tuning
    • H03J3/26—Continuous tuning of more than one resonant circuit simultaneously, the circuits being tuned to substantially the same frequency, e.g. for single-knob tuning the circuits being coupled so as to form a bandpass filter
    • 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
AU2001250546A 2000-05-04 2001-05-01 Bandswitichable double tuned circuit Abandoned AU2001250546A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0010665A GB2362049B (en) 2000-05-04 2000-05-04 Switching double tuned circuit
GB0010665 2000-05-04
PCT/GB2001/001897 WO2001084709A1 (en) 2000-05-04 2001-05-01 Bandswitichable double tuned circuit

Publications (1)

Publication Number Publication Date
AU2001250546A1 true AU2001250546A1 (en) 2001-11-12

Family

ID=9890875

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001250546A Abandoned AU2001250546A1 (en) 2000-05-04 2001-05-01 Bandswitichable double tuned circuit

Country Status (3)

Country Link
AU (1) AU2001250546A1 (en)
GB (1) GB2362049B (en)
WO (1) WO2001084709A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7319497B2 (en) * 2002-02-01 2008-01-15 Nxp B.V. Printed circuit board configurable television tuner
EP2139112A1 (en) * 2008-06-25 2009-12-30 Alps Electric Co., Ltd. Double-tuned circuit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4584544A (en) * 1985-02-28 1986-04-22 Rca Corporation Bandswitched interstage coupling network including a high side coupled capacitor
JPS62160810A (en) * 1986-01-10 1987-07-16 Hitachi Ltd Dual tuning circuit
JPH11205700A (en) * 1998-01-12 1999-07-30 Alps Electric Co Ltd Double-tuning circuit
JP3581788B2 (en) * 1998-05-26 2004-10-27 アルプス電気株式会社 Television tuner

Also Published As

Publication number Publication date
GB2362049A (en) 2001-11-07
WO2001084709A1 (en) 2001-11-08
GB2362049B (en) 2002-11-06
GB0010665D0 (en) 2000-06-28

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