GB2362049B - Switching double tuned circuit - Google Patents

Switching double tuned circuit

Info

Publication number
GB2362049B
GB2362049B GB0010665A GB0010665A GB2362049B GB 2362049 B GB2362049 B GB 2362049B GB 0010665 A GB0010665 A GB 0010665A GB 0010665 A GB0010665 A GB 0010665A GB 2362049 B GB2362049 B GB 2362049B
Authority
GB
United Kingdom
Prior art keywords
tuned circuit
double tuned
switching double
switching
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.)
Expired - Fee Related
Application number
GB0010665A
Other versions
GB2362049A (en
GB0010665D0 (en
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 Alpine Co Ltd
Original Assignee
Alps Electric Co 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 Co Ltd filed Critical Alps Electric Co Ltd
Priority to GB0010665A priority Critical patent/GB2362049B/en
Publication of GB0010665D0 publication Critical patent/GB0010665D0/en
Priority to PCT/GB2001/001897 priority patent/WO2001084709A1/en
Priority to AU2001250546A priority patent/AU2001250546A1/en
Publication of GB2362049A publication Critical patent/GB2362049A/en
Application granted granted Critical
Publication of GB2362049B publication Critical patent/GB2362049B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
GB0010665A 2000-05-04 2000-05-04 Switching double tuned circuit Expired - Fee Related GB2362049B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB0010665A GB2362049B (en) 2000-05-04 2000-05-04 Switching double tuned circuit
PCT/GB2001/001897 WO2001084709A1 (en) 2000-05-04 2001-05-01 Bandswitichable double tuned circuit
AU2001250546A AU2001250546A1 (en) 2000-05-04 2001-05-01 Bandswitichable double tuned circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0010665A GB2362049B (en) 2000-05-04 2000-05-04 Switching double tuned circuit

Publications (3)

Publication Number Publication Date
GB0010665D0 GB0010665D0 (en) 2000-06-28
GB2362049A GB2362049A (en) 2001-11-07
GB2362049B true GB2362049B (en) 2002-11-06

Family

ID=9890875

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0010665A Expired - Fee Related GB2362049B (en) 2000-05-04 2000-05-04 Switching 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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0929153A1 (en) * 1998-01-12 1999-07-14 Alps Electric Co., Ltd. Double-tuned circuit
EP0961407A1 (en) * 1998-05-26 1999-12-01 Alps Electric Co., Ltd. Television tuner

Family Cites Families (2)

* 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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0929153A1 (en) * 1998-01-12 1999-07-14 Alps Electric Co., Ltd. Double-tuned circuit
EP0961407A1 (en) * 1998-05-26 1999-12-01 Alps Electric Co., Ltd. Television tuner

Also Published As

Publication number Publication date
GB2362049A (en) 2001-11-07
WO2001084709A1 (en) 2001-11-08
AU2001250546A1 (en) 2001-11-12
GB0010665D0 (en) 2000-06-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20060504