BE772813A - Filtre numerique propre a effectuer des operations de filtration numeriques successives - Google Patents

Filtre numerique propre a effectuer des operations de filtration numeriques successives

Info

Publication number: BE772813A
Authority: BE; Belgium
Prior art keywords: digital; perform successive; filtration operations; filter specific; digital filter
Prior art date: 1970-12-21

Application number

BE772813A

Other languages

English (en)

Inventor

P A Schuster

Original Assignee

Western Electric Co

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.)

1970-12-21

Filing date

1971-09-20

Publication date

1972-01-17

1971-09-20 Application filed by Western Electric Co filed Critical Western Electric Co

1972-01-17 Publication of BE772813A publication Critical patent/BE772813A/fr

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
- H03H17/0294—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
- H03H17/0283—Filters characterised by the filter structure
- H03H17/0286—Combinations of filter structures
- 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

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Computer Hardware Design (AREA)
Mathematical Physics (AREA)
Complex Calculations (AREA)
Compression, Expansion, Code Conversion, And Decoders (AREA)

BE772813A 1970-12-21 1971-09-20 Filtre numerique propre a effectuer des operations de filtration numeriques successives BE772813A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US9974770A	1970-12-21	1970-12-21

Publications (1)

Publication Number	Publication Date
BE772813A true BE772813A (fr)	1972-01-17

Family

ID=22276425

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE772813A BE772813A (fr)	1970-12-21	1971-09-20	Filtre numerique propre a effectuer des operations de filtration numeriques successives

Country Status (10)

Country	Link
US (1)	US3706076A (fr)
JP (1)	JPS5312145B1 (fr)
BE (1)	BE772813A (fr)
CA (1)	CA937297A (fr)
DE (1)	DE2146982A1 (fr)
FR (1)	FR2119309A5 (fr)
GB (1)	GB1355107A (fr)
IT (1)	IT939838B (fr)
NL (1)	NL7112895A (fr)
SE (1)	SE364832B (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3798560A (en) *	1973-01-29	1974-03-19	Bell Telephone Labor Inc	Adaptive transversal equalizer using a time-multiplexed second-order digital filter
IT980928B (it) *	1973-04-30	1974-10-10	Cselt Centro Studi Lab Telecom	Apparecchiature di utente e di in gresso ad una centrale pcm per la trasmissione di dati ad alta velo cita
NL179619C (nl) *	1974-04-18	1987-05-18	Philips Nv	Digitale signaalverwerkingsinrichting voor het realiseren van een vooraf bepaalde overdrachtskarakteristiek.
FR2295665A1 (fr) *	1974-12-18	1976-07-16	Labo Cent Telecommunicat	Recepteur numerique de signaux multifrequences
JPS5376726A (en) *	1976-12-20	1978-07-07	Toshiba Corp	Synchronizing system digital filter
US4117541A (en) *	1977-11-07	1978-09-26	Communications Satellite Corporation	Configurable parallel arithmetic structure for recursive digital filtering
US4354248A (en) *	1979-11-28	1982-10-12	Motorola, Inc.	Programmable multifrequency tone receiver
US4467440A (en) *	1980-07-09	1984-08-21	Casio Computer Co., Ltd.	Digital filter apparatus with resonance characteristics
JPS57142022A (en) *	1981-02-26	1982-09-02	Casio Comput Co Ltd	Resonance characteristic controlling system in digital filter
NL8201344A (nl) *	1982-03-31	1983-10-17	Philips Nv	Digitale toonregelinrichting.
US4489416A (en) *	1983-03-18	1984-12-18	Rixon, Inc.	Equalization system for modems in a polled arrangement
FR2555777A1 (fr) *	1983-10-03	1985-05-31	Moulin Andre	Processeur numerique de filtrage
FR2552904A1 (fr) *	1983-10-03	1985-04-05	Moulin Andre	Processeur de calculs
US4803647A (en) *	1986-05-30	1989-02-07	Rca Licensing Corporation	Sampled data audio tone control apparatus
US4809208A (en) *	1987-04-03	1989-02-28	Tektronix, Inc.	Programmable multistage digital filter
GB2209648B (en) *	1987-09-10	1991-10-23	Ncr Co	Modem communication system having main and secondary channels
US5586068A (en) *	1993-12-08	1996-12-17	Terayon Corporation	Adaptive electronic filter
US20020049799A1 (en) *	2000-10-24	2002-04-25	Minsheng Wang	Parallel implementation for digital infinite impulse response filter
AU2002361660A1 (en) *	2001-12-14	2003-06-30	Graphic Packaging Corporation	Packages, blanks for making packages and associated methods and apparatus

1970
- 1970-12-21 US US99747A patent/US3706076A/en not_active Expired - Lifetime
1971
- 1971-07-30 CA CA119539A patent/CA937297A/en not_active Expired
- 1971-09-14 SE SE11658/71A patent/SE364832B/xx unknown
- 1971-09-17 GB GB4350471A patent/GB1355107A/en not_active Expired
- 1971-09-20 NL NL7112895A patent/NL7112895A/xx not_active Application Discontinuation
- 1971-09-20 FR FR7133785A patent/FR2119309A5/fr not_active Expired
- 1971-09-20 BE BE772813A patent/BE772813A/fr unknown
- 1971-09-20 IT IT70095/71A patent/IT939838B/it active
- 1971-09-21 DE DE19712146982 patent/DE2146982A1/de not_active Withdrawn
- 1971-09-21 JP JP7307571A patent/JPS5312145B1/ja active Pending

Also Published As

Publication number	Publication date
DE2146982A1 (de)	1972-07-13
SE364832B (fr)	1974-03-04
US3706076A (en)	1972-12-12
IT939838B (it)	1973-02-10
JPS5312145B1 (fr)	1978-04-27
CA937297A (en)	1973-11-20
NL7112895A (fr)	1972-06-23
GB1355107A (en)	1974-06-05
FR2119309A5 (fr)	1972-08-04

Publication	Publication Date	Title
BE772813A (fr)	1972-01-17	Filtre numerique propre a effectuer des operations de filtration numeriques successives
BE763063A (fr)	1971-07-16	Perfectionnements apportes aux filtres
BE776025A (fr)	1972-05-30	Filtre pour cigarette
BE772426A (fr)	1972-01-17	Filtre
BE771072R (fr)	1971-12-16	Perfectionnements aux filtres-presses
FR2285025A1 (fr)	1976-04-09	Filtre numerique interpolant
BE788559A (fr)	1973-03-08	Ensemble de filtre
AT343724B (de)	1978-06-12	Digitalfilter
BE817455A (fr)	1975-01-09	Filtre digital recursif
BE766224A (fr)	1971-09-16	Appareil de filtrage a elements filtrants amovibles
BE796751A (fr)	1973-09-14	Filtre non lineaire
BE780198A (fr)	1972-07-03	Filtre numerique
BE789935A (fr)	1973-02-01	Filtre a pression
BE801525A (fr)	1973-10-15	Filtre piezoelectrique
BE771071R (fr)	1971-12-16	Perfectionnements aux filtres-presses
IT1022437B (it)	1978-03-20	Filtro digitale
BE816194A (fr)	1974-09-30	Filtre mecanique
IT1022969B (it)	1978-04-20	Filtro digitale perfezionato
BE815280A (fr)	1974-09-16	Filtre alveolaire
BE786327A (fr)	1973-01-15	Filtre a pression
BE805355A (fr)	1974-01-16	Filtre a poches
BR7301630D0 (pt)	1974-05-16	Filtro prensa
BE771051A (fr)	1971-12-16	Filtre a cristal monolithique
BE767349A (fr)	1971-10-18	Perfectionnements aux filtres pour machines a laver
BE835725A (fr)	1976-03-16	Filtre piezoelectrique monolithique