FR2312891A1 - Filtre numerique - Google Patents

Filtre numerique

Info

Publication number
FR2312891A1
FR2312891A1 FR7615642A FR7615642A FR2312891A1 FR 2312891 A1 FR2312891 A1 FR 2312891A1 FR 7615642 A FR7615642 A FR 7615642A FR 7615642 A FR7615642 A FR 7615642A FR 2312891 A1 FR2312891 A1 FR 2312891A1
Authority
FR
France
Prior art keywords
digital filter
digital
filter
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.)
Granted
Application number
FR7615642A
Other languages
English (en)
French (fr)
Other versions
FR2312891B1 (US20110158925A1-20110630-C00042.png
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2312891A1 publication Critical patent/FR2312891A1/fr
Application granted granted Critical
Publication of FR2312891B1 publication Critical patent/FR2312891B1/fr
Granted 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
    • H03H17/0223—Computation saving measures; Accelerating measures
    • H03H17/0227—Measures concerning the coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FR7615642A 1975-05-26 1976-05-24 Filtre numerique Granted FR2312891A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7506141A NL7506141A (nl) 1975-05-26 1975-05-26 Digitaal filter.

Publications (2)

Publication Number Publication Date
FR2312891A1 true FR2312891A1 (fr) 1976-12-24
FR2312891B1 FR2312891B1 (US20110158925A1-20110630-C00042.png) 1980-08-29

Family

ID=19823810

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7615642A Granted FR2312891A1 (fr) 1975-05-26 1976-05-24 Filtre numerique

Country Status (11)

Country Link
US (1) US4136398A (US20110158925A1-20110630-C00042.png)
JP (1) JPS51144547A (US20110158925A1-20110630-C00042.png)
AU (1) AU509087B2 (US20110158925A1-20110630-C00042.png)
BE (1) BE842160A (US20110158925A1-20110630-C00042.png)
CA (1) CA1068357A (US20110158925A1-20110630-C00042.png)
DE (1) DE2621113A1 (US20110158925A1-20110630-C00042.png)
FR (1) FR2312891A1 (US20110158925A1-20110630-C00042.png)
GB (1) GB1543741A (US20110158925A1-20110630-C00042.png)
IT (1) IT1061515B (US20110158925A1-20110630-C00042.png)
NL (1) NL7506141A (US20110158925A1-20110630-C00042.png)
SE (1) SE412149B (US20110158925A1-20110630-C00042.png)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1603993A (en) * 1977-06-17 1981-12-02 Texas Instruments Inc Lattice filter for waveform or speech synthesis circuits using digital logic
NL7801866A (nl) * 1978-02-20 1979-08-22 Philips Nv Digitale filterinrichting voor niet-uniform gekwantiseerde pcm.
US4211138A (en) * 1978-06-22 1980-07-08 Kawai Musical Instrument Mfg. Co., Ltd. Harmonic formant filter for an electronic musical instrument
US4354248A (en) * 1979-11-28 1982-10-12 Motorola, Inc. Programmable multifrequency tone receiver
JPS5698022A (en) * 1980-01-07 1981-08-07 Nec Corp Difference coefficient digital filter
GB2075299B (en) * 1980-04-22 1983-10-19 Casio Computer Co Ltd Digital filter device
US4467440A (en) * 1980-07-09 1984-08-21 Casio Computer Co., Ltd. Digital filter apparatus with resonance characteristics
GB2080068B (en) * 1980-07-09 1985-04-03 Casio Computer Co Ltd Digital filter apparatus
EP0080014B1 (de) * 1981-09-26 1986-12-30 Robert Bosch Gmbh Digitaler Demodulator frequenzmodulierter Signale
US4590583A (en) * 1982-07-16 1986-05-20 At&T Bell Laboratories Coin telephone measurement circuitry
US4554858A (en) * 1982-08-13 1985-11-26 Nippon Gakki Seizo Kabushiki Kaisha Digital filter for an electronic musical instrument
US4542475A (en) * 1982-11-23 1985-09-17 Rca Corporation Sampled data filter system as for a digital TV
US4494214A (en) * 1983-02-03 1985-01-15 Rca Corporation Apparatus for generating scaled weighting coefficients for sampled data filters
US4602285A (en) * 1983-04-08 1986-07-22 Ampex Corporation System and method for transforming and filtering a video image
JPH0748637B2 (ja) * 1987-11-27 1995-05-24 沖電気工業株式会社 ディジタル信号処理用プロセッサ
FR2790322A1 (fr) * 1999-02-26 2000-09-01 Koninkl Philips Electronics Nv Recepteur, circuit programmable et procede de calcul de filtres numeriques
JP3414336B2 (ja) * 1999-11-04 2003-06-09 日本電気株式会社 Ｆｉｒフィルタ、ランプアップ・ランプダウン回路
US6754397B1 (en) 2000-03-09 2004-06-22 Sharp Laboratories Of America, Inc. Method, software and devices for designing a scalable image (FIR) filter with integer coefficients
US10410700B1 (en) 2018-09-28 2019-09-10 The Mitre Corporation Systems and method for a low-power correlator architecture using shifting coefficients
US10879877B1 (en) 2018-09-28 2020-12-29 The Mitre Corporation Systems and method for a low power correlator architecture using distributed arithmetic

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3639848A (en) * 1970-02-20 1972-02-01 Electronic Communications Transverse digital filter
FR2116224B1 (US20110158925A1-20110630-C00042.png) * 1970-10-29 1974-10-31 Ibm France
FR2118410A5 (US20110158925A1-20110630-C00042.png) * 1970-12-17 1972-07-28 Ibm France
FR2188367B1 (US20110158925A1-20110630-C00042.png) * 1972-06-01 1980-03-21 Ibm France
FR2229336A5 (US20110158925A1-20110630-C00042.png) * 1973-05-11 1974-12-06 Trt Telecom Radio Electr
FR2238299B1 (US20110158925A1-20110630-C00042.png) * 1973-07-20 1977-12-23 Trt Telecom Radio Electr
NL7400764A (nl) * 1974-01-21 1975-07-23 Philips Nv Digitale inrichting voor het omzetten van ge- comprimeerde delta gemoduleerde signalen in pcm-signalen.
US4024385A (en) * 1974-02-25 1977-05-17 Raytheon Company Second difference function generator
FR2275936A1 (fr) * 1974-06-21 1976-01-16 Ibm France Filtre frequentiel numerique
US3963911A (en) * 1975-04-22 1976-06-15 The United States Of America As Represented By The Secretary Of The Air Force Hybrid sample data filter

Also Published As

Publication number Publication date
BE842160A (fr) 1976-11-24
AU1411176A (en) 1977-11-24
DE2621113A1 (de) 1976-12-16
CA1068357A (en) 1979-12-18
SE412149B (sv) 1980-02-18
GB1543741A (en) 1979-04-04
FR2312891B1 (US20110158925A1-20110630-C00042.png) 1980-08-29
NL7506141A (nl) 1976-11-30
JPS51144547A (en) 1976-12-11
SE7605831L (sv) 1976-11-27
US4136398A (en) 1979-01-23
IT1061515B (it) 1983-04-30
AU509087B2 (en) 1980-04-17

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Legal Events

Date Code Title Description
ST Notification of lapse