DE3068861D1 - Digital filters - Google Patents
Digital filtersInfo
- Publication number
- DE3068861D1 DE3068861D1 DE8080102726T DE3068861T DE3068861D1 DE 3068861 D1 DE3068861 D1 DE 3068861D1 DE 8080102726 T DE8080102726 T DE 8080102726T DE 3068861 T DE3068861 T DE 3068861T DE 3068861 D1 DE3068861 D1 DE 3068861D1
- Authority
- DE
- Germany
- 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
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
- H03H17/0223—Computation saving measures; Accelerating measures
- H03H17/0225—Measures concerning the multipliers
Landscapes
- Engineering & Computer Science (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Complex Calculations (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5989579A JPS55153052A (en) | 1979-05-16 | 1979-05-16 | Digital multiplier |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3068861D1 true DE3068861D1 (en) | 1984-09-13 |
Family
ID=13126299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8080102726T Expired DE3068861D1 (en) | 1979-05-16 | 1980-05-16 | Digital filters |
Country Status (4)
Country | Link |
---|---|
US (1) | US4322810A (de) |
EP (1) | EP0021018B1 (de) |
JP (1) | JPS55153052A (de) |
DE (1) | DE3068861D1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8201344A (nl) * | 1982-03-31 | 1983-10-17 | Philips Nv | Digitale toonregelinrichting. |
GB8315373D0 (en) * | 1983-06-03 | 1983-07-06 | Indep Broadcasting Authority | Downsampling and prefilter implementation in television systems |
US4667298A (en) * | 1983-12-08 | 1987-05-19 | United States Of America As Represented By The Secretary Of The Army | Method and apparatus for filtering high data rate signals |
JPS61113314A (ja) * | 1984-11-08 | 1986-05-31 | Nec Corp | サンプル値間引きデイジタルフイルタ− |
US4750144A (en) * | 1985-12-31 | 1988-06-07 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Real time pipelined system for forming the sum of products in the processing of video data |
US4803647A (en) * | 1986-05-30 | 1989-02-07 | Rca Licensing Corporation | Sampled data audio tone control apparatus |
US4782458A (en) * | 1986-12-18 | 1988-11-01 | North American Philips Corporation | Architecture for power of two coefficient FIR filter |
FR2618925B1 (fr) * | 1987-07-30 | 1989-12-15 | Rault Jean | Dispositif de calcul numerique pour installation de transmission de donnees en code 2b 1q ou analogue |
JPH0540608A (ja) * | 1990-03-16 | 1993-02-19 | Internatl Business Mach Corp <Ibm> | テーブルルツクアツプ乗算器及びその乗算方法 |
JPH04270510A (ja) * | 1990-12-28 | 1992-09-25 | Advantest Corp | ディジタルフィルタ及び送信機 |
JPH04245535A (ja) * | 1991-01-31 | 1992-09-02 | Sony Corp | 演算回路 |
GB2359950B (en) * | 2000-02-29 | 2004-06-30 | Ericsson Telefon Ab L M | Signal filtering |
US7483479B2 (en) * | 2004-09-16 | 2009-01-27 | Keyeye Communications | Scaled signal processing elements for reduced filter tap noise |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2118410A5 (de) * | 1970-12-17 | 1972-07-28 | Ibm France | |
NL176124C (nl) * | 1974-06-17 | 1985-02-18 | Philips Nv | Digitaal filter met vereenvoudigde vermenigvuldiginrichting. |
US4125900A (en) * | 1977-07-01 | 1978-11-14 | Ncr Corporation | Cascaded recursive digital filter |
GB2003690A (en) * | 1977-08-05 | 1979-03-14 | Univ Surrey | Digital processing |
US4255794A (en) * | 1978-05-10 | 1981-03-10 | Nippon Electric Co., Ltd. | Digital filter |
-
1979
- 1979-05-16 JP JP5989579A patent/JPS55153052A/ja active Pending
-
1980
- 1980-05-09 US US06/148,092 patent/US4322810A/en not_active Expired - Lifetime
- 1980-05-16 DE DE8080102726T patent/DE3068861D1/de not_active Expired
- 1980-05-16 EP EP80102726A patent/EP0021018B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0021018B1 (de) | 1984-08-08 |
US4322810A (en) | 1982-03-30 |
JPS55153052A (en) | 1980-11-28 |
EP0021018A1 (de) | 1981-01-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8328 | Change in the person/name/address of the agent |
Free format text: HAGEMANN, H., DIPL.-CHEM. DR.RER.NAT. KEHL, G., DIPL.-PHYS., PAT.-ANWAELTE, 8000 MUENCHEN |