NL7707054A - Digitaal filter. - Google Patents

Digitaal filter.

Info

Publication number: NL7707054A
Authority: NL; Netherlands
Prior art keywords: digital filter; digital; filter
Prior art date: 1976-06-30

Application number

NL7707054A

Other languages

English (en)

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.)

1976-06-30

Filing date

1977-06-24

Publication date

1978-01-03

1977-06-24 Application filed by Western Electric Co filed Critical Western Electric Co

1978-01-03 Publication of NL7707054A publication Critical patent/NL7707054A/nl

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
- H03H17/0461—Quantisation; Rounding; Truncation; Overflow oscillations or limit cycles eliminating measures

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Computer Hardware Design (AREA)
Mathematical Physics (AREA)
Compression, Expansion, Code Conversion, And Decoders (AREA)
Measuring Frequencies, Analyzing Spectra (AREA)
Filters That Use Time-Delay Elements (AREA)
Noise Elimination (AREA)

NL7707054A 1976-06-30 1977-06-24 Digitaal filter. NL7707054A (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/701,195 US4034197A (en)	1976-06-30	1976-06-30	Digital filter circuit

Publications (1)

Publication Number	Publication Date
NL7707054A true NL7707054A (nl)	1978-01-03

Family

ID=24816418

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7707054A NL7707054A (nl)	1976-06-30	1977-06-24	Digitaal filter.

Country Status (12)

Country	Link
US (1)	US4034197A (nl)
JP (1)	JPS533759A (nl)
AU (1)	AU509709B2 (nl)
BE (1)	BE856207A (nl)
CA (1)	CA1078463A (nl)
DE (1)	DE2728938A1 (nl)
ES (1)	ES460273A1 (nl)
FR (1)	FR2357113A1 (nl)
GB (1)	GB1529176A (nl)
IT (1)	IT1080967B (nl)
NL (1)	NL7707054A (nl)
SE (1)	SE415136B (nl)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4149261A (en) *	1976-03-19	1979-04-10	Canon Kabushiki Kaisha	Computer having circuitry for rounding-off insignificant digits
US4128890A (en) *	1977-06-29	1978-12-05	General Electric Company	Integrated arithmetic unit and digital networks using the unit
US4215415A (en) *	1977-09-19	1980-07-29	Nippon Electric Company, Ltd.	Recursive digital filter comprising a circuit responsive to first sum and feedback sign bits and second sum sign and integer bits for detecting overflow in the second sum
US4213187A (en) *	1978-12-14	1980-07-15	Bell Telephone Laboratories, Incorporated	Digital filters with control of limit cycles
US4356559A (en) *	1980-08-01	1982-10-26	Bell Telephone Laboratories, Incorporated	Logic arrangement for recursive digital filter
JPS58118883A (ja) *	1982-01-08	1983-07-15	Asahi Glass Co Ltd	高性能撥水撥油剤
US4589084A (en) *	1983-05-16	1986-05-13	Rca Corporation	Apparatus for symmetrically truncating two's complement binary signals as for use with interleaved quadrature signals
JPH0625207B2 (ja) *	1985-06-19	1994-04-06	日本メクトロン株式会社	撥水撥油性共重合体の製造法
JPH0787337B2 (ja) *	1990-01-05	1995-09-20	ヤマハ株式会社	音響信号処理装置
US5479454A (en) *	1993-09-21	1995-12-26	Genesis Microchip Inc.	Digital filter with improved numerical precision
US5365277A (en) *	1993-10-08	1994-11-15	Genesis Microchip Inc.	Apparatus with reduction/magnification image size processing for producing low-pass filtered images
US7110482B2 (en) *	2000-12-29	2006-09-19	Lockheed Martin Corporation	Method and apparatus for tracking invalid signals through a digital system
WO2008126606A1 (ja) *	2007-03-20	2008-10-23	Asahi Kasei E-Materials Corporation	凹凸形状を持つ感光性樹脂版および凸版印刷版の製造方法、ならびに当該製造方法に用いる版面用処理液
US7961125B2 (en) *	2008-10-23	2011-06-14	Microchip Technology Incorporated	Method and apparatus for dithering in multi-bit sigma-delta digital-to-analog converters

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3749895A (en) *	1971-10-06	1973-07-31	Bell Telephone Labor Inc	Apparatus for suppressing limit cycles due to quantization in digital filters
US3906199A (en) *	1974-12-13	1975-09-16	Bell Telephone Labor Inc	Digital filter circuit

1976
- 1976-06-30 US US05/701,195 patent/US4034197A/en not_active Expired - Lifetime
1977
- 1977-05-13 CA CA278,325A patent/CA1078463A/en not_active Expired
- 1977-06-22 SE SE7707255A patent/SE415136B/xx unknown
- 1977-06-24 FR FR7719425A patent/FR2357113A1/fr active Granted
- 1977-06-24 NL NL7707054A patent/NL7707054A/nl not_active Application Discontinuation
- 1977-06-24 AU AU26467/77A patent/AU509709B2/en not_active Expired
- 1977-06-27 IT IT25087/77A patent/IT1080967B/it active
- 1977-06-27 DE DE19772728938 patent/DE2728938A1/de not_active Withdrawn
- 1977-06-28 GB GB26894/77A patent/GB1529176A/en not_active Expired
- 1977-06-28 BE BE178856A patent/BE856207A/xx unknown
- 1977-06-30 JP JP7729377A patent/JPS533759A/ja active Pending
- 1977-06-30 ES ES460273A patent/ES460273A1/es not_active Expired

Also Published As

Publication number	Publication date
FR2357113A1 (fr)	1978-01-27
CA1078463A (en)	1980-05-27
DE2728938A1 (de)	1978-01-05
GB1529176A (en)	1978-10-18
FR2357113B1 (nl)	1982-03-12
SE415136B (sv)	1980-09-08
JPS533759A (en)	1978-01-13
ES460273A1 (es)	1978-10-01
BE856207A (fr)	1977-10-17
IT1080967B (it)	1985-05-16
US4034197A (en)	1977-07-05
SE7707255L (sv)	1977-12-31
AU2646777A (en)	1979-01-04
AU509709B2 (en)	1980-05-22

Legal Events

Date	Code	Title	Description
1984-02-01	BV	The patent application has lapsed

Publication	Publication Date	Title
NL7711833A (nl)	1978-05-03	Filtersamenstel.
FI773913A (fi)	1978-06-23	Digitalt konvergeringsfoerfarande foer katodstraolsfaergbildroer
NL7704340A (nl)	1977-10-25	Filtermedium.
SE418037B (sv)	1981-04-27	Digital ekoelimiator
NL7707473A (nl)	1978-04-14	Terugspoelbare filterinrichting.
NL167857C (nl)	1982-02-16	Filtreerinrichting.
NL7606990A (nl)	1976-12-29	Digitaal convolutioneel filter.
NL7703681A (nl)	1977-10-07	Filter.
NL7710683A (nl)	1978-04-07	Filtreerinrichting.
NL7506141A (nl)	1976-11-30	Digitaal filter.
NL7702179A (nl)	1977-09-05	Filtersigaret.
NL7707346A (nl)	1978-01-05	Filterelement.
NL7707054A (nl)	1978-01-03	Digitaal filter.
NL7709787A (nl)	1978-03-09	Halfgeleiderfilter.
NL7711688A (nl)	1978-04-28	Kleurfilter.
FI773371A (fi)	1978-05-20	Filter foer tobaksroek
NO144948C (no)	1981-12-16	Skivefilter.
NL7704538A (nl)	1977-11-08	Filterpers.
IT1078700B (it)	1985-05-08	Filtro
NL7710544A (nl)	1978-04-11	Filterelement.
NL169006C (nl)	1982-05-17	Electromechanisch filter.
NL175125C (nl)	1984-09-17	Frequentie-bemonsterend, digitaal filter.
NL7506333A (nl)	1976-12-01	Interpolerend niet-recursief digitaal filter.
NL7713734A (nl)	1978-06-26	Filterinrichting.
NL7707996A (nl)	1978-01-23	Digitaal filter.