NL161634C - Digitaal recursief filter. - Google Patents

Digitaal recursief filter.

Info

Publication number: NL161634C
Authority: NL; Netherlands
Prior art keywords: recursive filter; digital recursive; digital; filter; recursive
Prior art date: 1968-02-29

Application number

NL6902849.A

Other languages

English (en)

Dutch (nl)

Other versions

NL161634B (nl

NL6902849A (xx

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.)

1968-02-29

Filing date

1969-02-24

Publication date

1980-02-15

1969-02-24 Application filed by Western Electric Co filed Critical Western Electric Co

1969-09-02 Publication of NL6902849A publication Critical patent/NL6902849A/xx

1979-09-17 Publication of NL161634B publication Critical patent/NL161634B/xx

1980-02-15 Application granted granted Critical

1980-02-15 Publication of NL161634C publication Critical patent/NL161634C/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
- H04L25/03114—Arrangements for removing intersymbol interference operating in the time domain non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals
- H04L25/03146—Arrangements for removing intersymbol interference operating in the time domain non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals with a recursive structure
- 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

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Physics & Mathematics (AREA)
Computer Hardware Design (AREA)
Mathematical Physics (AREA)
Complex Calculations (AREA)
Blocking Light For Cameras (AREA)

NL6902849.A 1968-02-29 1969-02-24 Digitaal recursief filter. NL161634C (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US70942368A	1968-02-29	1968-02-29

Publications (3)

Publication Number	Publication Date
NL6902849A NL6902849A (xx)	1969-09-02
NL161634B NL161634B (nl)	1979-09-17
NL161634C true NL161634C (nl)	1980-02-15

Family

ID=24849790

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL6902849.A NL161634C (nl)	1968-02-29	1969-02-24	Digitaal recursief filter.

Country Status (8)

Country	Link
US (1)	US3522546A (xx)
JP (1)	JPS501501B1 (xx)
BE (1)	BE728903A (xx)
DE (1)	DE1909657C3 (xx)
FR (1)	FR2002883A1 (xx)
GB (1)	GB1265335A (xx)
NL (1)	NL161634C (xx)
SE (1)	SE369012B (xx)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2118410A5 (xx) *	1970-12-17	1972-07-28	Ibm France
US3749895A (en) *	1971-10-06	1973-07-31	Bell Telephone Labor Inc	Apparatus for suppressing limit cycles due to quantization in digital filters
US3740537A (en) *	1971-12-01	1973-06-19	Gte Sylvania Inc	Modified integrate and dump filter
US3851252A (en) *	1972-12-29	1974-11-26	Ibm	Timing recovery in a digitally implemented data receiver
NL7416480A (nl) *	1974-12-18	1976-06-22	Philips Nv	Inrichting bevattende een integrerende digitale signaalbewerkingsinrichting.
FR2321217A1 (fr) *	1975-08-13	1977-03-11	Cit Alcatel	Dispositif de traitement d'un signal echantillonne
US4011438A (en) *	1975-12-17	1977-03-08	Motorola, Inc.	Simplified digital moving target indicator filter
NL178640C (nl) *	1976-07-12	1986-04-16	Philips Nv	Digitale signaalbewerkingsinrichting.
US4398062A (en) *	1976-11-11	1983-08-09	Harris Corporation	Apparatus for privacy transmission in system having bandwidth constraint
DE3173567D1 (de) *	1980-09-24	1986-03-06	Toshiba Kk	Transversal equalizer
US5089981A (en) *	1989-04-24	1992-02-18	Audio Precision, Inc.	Hybrid form digital filter
JP2840155B2 (ja) *	1992-03-19	1998-12-24	富士通株式会社	等化方法
JPH11112289A (ja) *	1997-09-26	1999-04-23	Internatl Business Mach Corp <Ibm>	デジタルフィルタ、サーボ制御装置及びディスクドライブ装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL269966A (xx) *	1960-02-08
US3133254A (en) *	1961-06-15	1964-05-12	Phillips Petroleum Co	Switch circuit for signal sampling system with glow transfer tubes and gating means providing sequential operation
US3314015A (en) *	1963-09-16	1967-04-11	Bell Telephone Labor Inc	Digitally synthesized artificial transfer networks
US3370292A (en) *	1967-01-05	1968-02-20	Raytheon Co	Digital canonical filter
US3421141A (en) *	1967-10-16	1969-01-07	Huntec Ltd	Self-adjusting filter

1968
- 1968-02-29 US US709423A patent/US3522546A/en not_active Expired - Lifetime
1969
- 1969-02-18 SE SE02226/69A patent/SE369012B/xx unknown
- 1969-02-24 NL NL6902849.A patent/NL161634C/xx not_active IP Right Cessation
- 1969-02-25 BE BE728903D patent/BE728903A/xx not_active IP Right Cessation
- 1969-02-26 DE DE1909657A patent/DE1909657C3/de not_active Expired
- 1969-02-26 FR FR6904963A patent/FR2002883A1/fr active Pending
- 1969-02-27 GB GB1265335D patent/GB1265335A/en not_active Expired
- 1969-02-28 JP JP44014733A patent/JPS501501B1/ja active Pending

Also Published As

Publication number	Publication date
BE728903A (xx)	1969-08-01
US3522546A (en)	1970-08-04
GB1265335A (xx)	1972-03-01
DE1909657B2 (de)	1977-10-13
JPS501501B1 (xx)	1975-01-18
NL161634B (nl)	1979-09-17
SE369012B (xx)	1974-07-29
FR2002883A1 (xx)	1969-10-31
NL6902849A (xx)	1969-09-02
DE1909657A1 (de)	1969-09-18
DE1909657C3 (de)	1983-04-21

Publication	Publication Date	Title
IT7827515A0 (it)	1978-09-11	Bromo-erogocriptina.
ES176940Y (es)	1973-04-01	Camilla-soporte.
DK120480B (da)	1971-06-01	Gribetang.
NL155693B (nl)	1978-01-16	Elektromechanisch filter.
NL168379C (nl)	1982-03-16	Digitaal golffilter.
NL161937B (nl)	1979-10-15	Bandsperrend filter.
DK132162B (da)	1975-11-03	Båndfilter.
CH503435A (fr)	1971-02-15	Compteur numérique
NL161634C (nl)	1980-02-15	Digitaal recursief filter.
FI49336C (fi)	1975-05-12	Jauhamislaite.
DK134144B (da)	1976-09-20	Centrifugalrensningsfilter.
NL149973B (nl)	1976-06-15	Telefoontoestel.
NL153393C (nl)	1977-05-16	Recursief, digitaal, alles-doorlatend filter van de tweede orde.
CH506212A (de)	1971-04-15	Tiefpassfilter
NL163083C (nl)	1980-07-15	Demodulator.
FR96320E (fr)	1972-06-16	Filtre.
ES176774Y (es)	1973-04-01	Unidad filtrante.
NL171509C (nl)	1983-04-05	Stabiel digitaal golffilter.
CH499827A (fr)	1970-11-30	Intégrateur digital
FI43746C (fi)	1972-05-29	Digitaalinen linearisointilaite
NL165894C (nl)	1981-05-15	Recursief digitaal filter.
NL168672C (nl)	1982-04-16	Telefoontoestel.
ES142732Y (es)	1969-11-01	Un delantal.
NL141792B (nl)	1974-04-16	Gasfilter.
ES144163Y (es)	1969-12-01	Pantalla.

Legal Events

Date	Code	Title	Description
1989-02-23	NL80	Information provided on patent owner name for an already discontinued patent	Owner name: WEST ELECTR
1989-03-16	V4	Discontinued because of reaching the maximum lifetime of a patent