GB1460370A - Digital f'lter - Google Patents

Digital f'lter

Info

Publication number
GB1460370A
GB1460370A GB4793974A GB4793974A GB1460370A GB 1460370 A GB1460370 A GB 1460370A GB 4793974 A GB4793974 A GB 4793974A GB 4793974 A GB4793974 A GB 4793974A GB 1460370 A GB1460370 A GB 1460370A
Authority
GB
United Kingdom
Prior art keywords
value
digital
output
filter
input
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
Application number
GB4793974A
Other languages
English (en)
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1460370A publication Critical patent/GB1460370A/en
Expired 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
    • H03H17/0405—Recursive filters comprising a ROM addressed by the input and output data signals

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Complex Calculations (AREA)
GB4793974A 1973-12-11 1974-11-06 Digital f'lter Expired GB1460370A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7345377A FR2255754B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-12-11 1973-12-11

Publications (1)

Publication Number Publication Date
GB1460370A true GB1460370A (en) 1977-01-06

Family

ID=9129406

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4793974A Expired GB1460370A (en) 1973-12-11 1974-11-06 Digital f'lter

Country Status (6)

Country Link
US (1) US3914588A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5444547B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2451235C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2255754B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1460370A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1022969B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4020333A (en) * 1975-05-06 1977-04-26 International Business Machines Corporation Digital filter for filtering complex signals
US3979701A (en) * 1975-06-17 1976-09-07 Communications Satellite Corporation (Comsat) Non-recursive digital filter employing simple coefficients
US4356558A (en) * 1979-12-20 1982-10-26 Martin Marietta Corporation Optimum second order digital filter
US4374426A (en) * 1980-11-14 1983-02-15 Burlage Donald W Digital equalizer for high speed communication channels
US4454590A (en) * 1981-10-30 1984-06-12 The United States Of America As Represented By The Secretary Of The Air Force Programmable signal processing device
US4691293A (en) * 1984-12-28 1987-09-01 Ford Aerospace & Communications Corporation High frequency, wide range FIR filter
US5146494A (en) * 1989-07-31 1992-09-08 At&T Bell Laboratories Overlapping look-up-and-add echo canceller requiring a smaller memory size
US6470405B2 (en) * 1995-10-19 2002-10-22 Rambus Inc. Protocol for communication with dynamic memory
US6266379B1 (en) * 1997-06-20 2001-07-24 Massachusetts Institute Of Technology Digital transmitter with equalization
US7054896B2 (en) * 2002-04-29 2006-05-30 Industrial Technology Research Institute Method for implementing a multiplier-less FIR filter
GB2514595B (en) * 2013-05-30 2017-10-18 Imp Innovations Ltd Method and apparatus for estimating frequency domain representation of signals

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1214371A (en) * 1968-02-15 1970-12-02 Raytheon Co Digital canonical filter
FR2116224B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1970-10-29 1974-10-31 Ibm France
FR2118410A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1970-12-17 1972-07-28 Ibm France
FR2137346B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1971-05-13 1973-05-11 Ibm France

Also Published As

Publication number Publication date
JPS50106549A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-08-22
FR2255754B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1978-03-17
IT1022969B (it) 1978-04-20
FR2255754A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-07-18
DE2451235A1 (de) 1975-06-12
JPS5444547B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1979-12-26
US3914588A (en) 1975-10-21
DE2451235C2 (de) 1985-09-05

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee