GB2313506B - Tone filter - Google Patents

Tone filter

Info

Publication number
GB2313506B
GB2313506B GB9604251A GB9604251A GB2313506B GB 2313506 B GB2313506 B GB 2313506B GB 9604251 A GB9604251 A GB 9604251A GB 9604251 A GB9604251 A GB 9604251A GB 2313506 B GB2313506 B GB 2313506B
Authority
GB
United Kingdom
Prior art keywords
tone filter
tone
filter
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
GB9604251A
Other versions
GB9604251D0 (en
GB2313506A (en
Inventor
Anthony Hardie-Bick
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.)
Ethymonics Ltd
Original Assignee
Ethymonics 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 Ethymonics Ltd filed Critical Ethymonics Ltd
Priority to GB9604251A priority Critical patent/GB2313506B/en
Publication of GB9604251D0 publication Critical patent/GB9604251D0/en
Priority to PCT/GB1997/000537 priority patent/WO1997032397A1/en
Priority to AU18891/97A priority patent/AU1889197A/en
Publication of GB2313506A publication Critical patent/GB2313506A/en
Application granted granted Critical
Publication of GB2313506B publication Critical patent/GB2313506B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/04—Recursive filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0248—Filters characterised by a particular frequency response or filtering method
    • H03H17/0261—Non linear filters
GB9604251A 1996-02-28 1996-02-28 Tone filter Expired - Fee Related GB2313506B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9604251A GB2313506B (en) 1996-02-28 1996-02-28 Tone filter
PCT/GB1997/000537 WO1997032397A1 (en) 1996-02-28 1997-02-26 Digital filter
AU18891/97A AU1889197A (en) 1996-02-28 1997-02-26 Digital filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9604251A GB2313506B (en) 1996-02-28 1996-02-28 Tone filter

Publications (3)

Publication Number Publication Date
GB9604251D0 GB9604251D0 (en) 1996-05-01
GB2313506A GB2313506A (en) 1997-11-26
GB2313506B true GB2313506B (en) 2000-10-04

Family

ID=10789579

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9604251A Expired - Fee Related GB2313506B (en) 1996-02-28 1996-02-28 Tone filter

Country Status (3)

Country Link
AU (1) AU1889197A (en)
GB (1) GB2313506B (en)
WO (1) WO1997032397A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2934726A1 (en) * 2008-07-30 2010-02-05 Renault Sas Non-linear low pass filtering device for friction force estimator in proportional-integral controller of e.g. exhaust gas recirculation valve, has non-linear branches provided with non-linear and gain modules, which are arranged in series

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0572188A1 (en) * 1992-05-22 1993-12-01 Honda Giken Kogyo Kabushiki Kaisha Function generator whose output attains a desired value at a designated time
US5359146A (en) * 1991-02-19 1994-10-25 Yamaha Corporation Musical tone synthesizing apparatus having smoothly varying tone control parameters

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8501834A (en) * 1985-06-26 1987-01-16 Philips Nv FLUSHING DEVICE WITH SLIDING BELT FILTERS AND A DIGITAL FILTER FOR USE IN THE FLUSHING DEVICE.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5359146A (en) * 1991-02-19 1994-10-25 Yamaha Corporation Musical tone synthesizing apparatus having smoothly varying tone control parameters
EP0572188A1 (en) * 1992-05-22 1993-12-01 Honda Giken Kogyo Kabushiki Kaisha Function generator whose output attains a desired value at a designated time

Also Published As

Publication number Publication date
GB9604251D0 (en) 1996-05-01
WO1997032397A1 (en) 1997-09-04
AU1889197A (en) 1997-09-16
GB2313506A (en) 1997-11-26

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Legal Events

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

Effective date: 20010104