GB2350956B - Digital filters - Google Patents

Digital filters

Info

Publication number
GB2350956B
GB2350956B GB0008719A GB0008719A GB2350956B GB 2350956 B GB2350956 B GB 2350956B GB 0008719 A GB0008719 A GB 0008719A GB 0008719 A GB0008719 A GB 0008719A GB 2350956 B GB2350956 B GB 2350956B
Authority
GB
United Kingdom
Prior art keywords
digital filters
filters
digital
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 - Lifetime
Application number
GB0008719A
Other versions
GB2350956A (en
GB0008719D0 (en
Inventor
David Charles William Richards
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.)
Sony Europe Ltd
Original Assignee
Sony United Kingdom 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 Sony United Kingdom Ltd filed Critical Sony United Kingdom Ltd
Publication of GB0008719D0 publication Critical patent/GB0008719D0/en
Publication of GB2350956A publication Critical patent/GB2350956A/en
Application granted granted Critical
Publication of GB2350956B publication Critical patent/GB2350956B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0294—Variable filters; Programmable 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
    • H03H17/0294—Variable filters; Programmable filters
    • H03H2017/0297—Coefficients derived from input parameters

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Feedback Control In General (AREA)
GB0008719A 1999-04-16 2000-04-07 Digital filters Expired - Lifetime GB2350956B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9908810A GB9908810D0 (en) 1999-04-16 1999-04-16 Digital filtering

Publications (3)

Publication Number Publication Date
GB0008719D0 GB0008719D0 (en) 2000-05-31
GB2350956A GB2350956A (en) 2000-12-13
GB2350956B true GB2350956B (en) 2004-02-25

Family

ID=10851733

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9908810A Ceased GB9908810D0 (en) 1999-04-16 1999-04-16 Digital filtering
GB0008719A Expired - Lifetime GB2350956B (en) 1999-04-16 2000-04-07 Digital filters

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9908810A Ceased GB9908810D0 (en) 1999-04-16 1999-04-16 Digital filtering

Country Status (1)

Country Link
GB (2) GB9908810D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9908813D0 (en) * 1999-04-16 1999-06-09 Sony Uk Ltd Digital filtering
US7305100B2 (en) 2003-02-14 2007-12-04 Gn Resound A/S Dynamic compression in a hearing aid

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2080068A (en) * 1980-07-09 1982-01-27 Casio Computer Co Ltd Digital Filter Apparatus
EP0196413A1 (en) * 1985-03-09 1986-10-08 ANT Nachrichtentechnik GmbH Low or high pass shelving filter
US5856934A (en) * 1996-08-30 1999-01-05 Icom Incorporated Digital filter system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2080068A (en) * 1980-07-09 1982-01-27 Casio Computer Co Ltd Digital Filter Apparatus
EP0196413A1 (en) * 1985-03-09 1986-10-08 ANT Nachrichtentechnik GmbH Low or high pass shelving filter
US5856934A (en) * 1996-08-30 1999-01-05 Icom Incorporated Digital filter system

Also Published As

Publication number Publication date
GB2350956A (en) 2000-12-13
GB0008719D0 (en) 2000-05-31
GB9908810D0 (en) 1999-06-09

Similar Documents

Publication Publication Date Title
GB9918958D0 (en) Filter
AU3397700A (en) Digital comb filter
AU143202S (en) Filter element
AU140250S (en) Filter element
GB9916292D0 (en) Filter assemblies
AU6884700A (en) Digital filter design
AU140705S (en) Filter element
GB2357924B (en) Digital cameras
GB9925992D0 (en) Filter
AU7351500A (en) Digital glitch filter
GB9907330D0 (en) Filter
GB9911889D0 (en) Filter
GB9927464D0 (en) Filter elements
GB2344980B (en) Digital matched filter
HUP0201207A2 (en) Filter assembly
GB2350956B (en) Digital filters
EP1217582A4 (en) Digital filter
GB2350505B (en) Digital filtering
HK1015620A2 (en) Filter
GB9907564D0 (en) Filter
GB2336494B (en) Digital filter
AU6631000A (en) Digital filter
GB9917838D0 (en) Filters
GB0106053D0 (en) Filters
AU140526S (en) Filter

Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20140116 AND 20140122

PE20 Patent expired after termination of 20 years

Expiry date: 20200406