USB484121I5 - - Google Patents

Info

Publication number
USB484121I5
USB484121I5 US48412174A USB484121I5 US B484121 I5 USB484121 I5 US B484121I5 US 48412174 A US48412174 A US 48412174A US B484121 I5 USB484121 I5 US B484121I5
Authority
US
United States
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.)
Pending
Application number
Other languages
English (en)
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
Priority claimed from NL7309534A external-priority patent/NL165894C/xx
Priority claimed from NL7312946A external-priority patent/NL7312946A/xx
Application filed filed Critical
Publication of USB484121I5 publication Critical patent/USB484121I5/en
Application granted granted Critical
Publication of US3997770A publication Critical patent/US3997770A/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H03H17/04—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)
  • Complex Calculations (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Filters That Use Time-Delay Elements (AREA)
US05/484,121 1973-07-09 1974-06-28 Recursive digital filter Expired - Lifetime US3997770A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NL7309534 1973-07-09
NL7309534A NL165894C (nl) 1973-07-09 1973-07-09 Recursief digitaal filter.
NL7312946 1973-09-20
NL7312946A NL7312946A (en) 1973-09-20 1973-09-20 Digital filter cct. - with input stage, output stage and two intermediate delay networks

Publications (2)

Publication Number Publication Date
USB484121I5 true USB484121I5 (ja) 1976-03-16
US3997770A US3997770A (en) 1976-12-14

Family

ID=26644896

Family Applications (1)

Application Number Title Priority Date Filing Date
US05/484,121 Expired - Lifetime US3997770A (en) 1973-07-09 1974-06-28 Recursive digital filter

Country Status (10)

Country Link
US (1) US3997770A (ja)
JP (1) JPS5524728B2 (ja)
AT (1) AT333347B (ja)
BE (1) BE817455A (ja)
CA (1) CA1027642A (ja)
CH (1) CH580360A5 (ja)
DE (1) DE2432594C3 (ja)
DK (1) DK150875C (ja)
FR (1) FR2237376B1 (ja)
GB (1) GB1461477A (ja)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7514908A (nl) * 1975-12-22 1977-06-24 Ir Gerard Verkroost Digitale signaalbewerkingsinrichting bevattende een digitaal filter van het golftype.
US4195350A (en) * 1978-06-19 1980-03-25 Cbs Inc. Method and apparatus for eliminating deadband in digital recursive filters
US4225937A (en) * 1978-09-18 1980-09-30 Xerox Corporation Method and apparatus for suppression of error accumulation in recursive computation of a discrete Fourier transform
US4351032A (en) * 1978-12-04 1982-09-21 General Electric Company Frequency sensing circuit
US4236224A (en) * 1978-12-26 1980-11-25 Rockwell International Corporation Low roundoff noise digital filter
EP0023555B1 (en) * 1979-06-18 1984-03-21 Fernseh Inc. Method and circuit for correcting the phase of the chroma component by digital comb filtering a pal-television signal
US4272648A (en) * 1979-11-28 1981-06-09 International Telephone And Telegraph Corporation Gain control apparatus for digital telephone line circuits
US4356559A (en) * 1980-08-01 1982-10-26 Bell Telephone Laboratories, Incorporated Logic arrangement for recursive digital filter
US4386430A (en) * 1980-10-23 1983-05-31 International Telephone And Telegraph Corporation Automatic equalizer for synthesizing recursive filters
NL8105801A (nl) * 1981-12-23 1983-07-18 Philips Nv Recursief digitaal filter.
JPH0732347B2 (ja) * 1985-06-28 1995-04-10 松下電器産業株式会社 巡回形デイジタルフイルタ
US5134406A (en) * 1989-10-13 1992-07-28 Cincinnati Microwave, Inc. Long range police radar warning receiver with multiple array averaging
US5049885A (en) * 1989-10-13 1991-09-17 Cincinnati Microwave, Inc. Long range police radar warning receiver
US5079553A (en) * 1989-10-13 1992-01-07 Cincinnati Microwave, Inc. Long range police radar warning receiver
US4954828A (en) * 1989-10-13 1990-09-04 Cincinnati Microwave, Inc. Long range police radar warning receiver
JPH04332215A (ja) * 1991-05-08 1992-11-19 Matsushita Electric Ind Co Ltd オフセット除去装置
JPH08172343A (ja) * 1994-12-15 1996-07-02 Sony Corp Ｉｉｒ型ディジタルフィルタの構成方法
JP4469515B2 (ja) * 2001-06-06 2010-05-26 パイオニア株式会社 ディジタルフィルタ

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3506813A (en) * 1966-06-13 1970-04-14 Hewlett Packard Co Signal-to-noise ratio enhancement methods and means
US3619586A (en) * 1968-11-25 1971-11-09 Research Corp Universal digital filter for linear discrete systems
US3749895A (en) * 1971-10-06 1973-07-31 Bell Telephone Labor Inc Apparatus for suppressing limit cycles due to quantization in digital filters
US3780279A (en) * 1972-01-17 1973-12-18 Collins Radio Co Means for extending the identification range of radio equipments using repetitive coded identification signals

Also Published As

Publication number Publication date
DE2432594B2 (de) 1978-11-09
ATA566374A (de) 1976-03-15
DK363074A (ja) 1975-02-24
CH580360A5 (ja) 1976-09-30
BE817455A (fr) 1975-01-09
DK150875C (da) 1988-01-25
FR2237376B1 (ja) 1977-10-07
US3997770A (en) 1976-12-14
FR2237376A1 (ja) 1975-02-07
CA1027642A (en) 1978-03-07
JPS5039846A (ja) 1975-04-12
DE2432594A1 (de) 1975-01-30
AT333347B (de) 1976-11-10
GB1461477A (en) 1977-01-13
JPS5524728B2 (ja) 1980-07-01
AU7098674A (en) 1976-01-08
DE2432594C3 (de) 1979-07-12
DK150875B (da) 1987-07-06

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