JPS52102653A - Digital filter device - Google Patents

Digital filter device

Info

Publication number
JPS52102653A
JPS52102653A JP1900376A JP1900376A JPS52102653A JP S52102653 A JPS52102653 A JP S52102653A JP 1900376 A JP1900376 A JP 1900376A JP 1900376 A JP1900376 A JP 1900376A JP S52102653 A JPS52102653 A JP S52102653A
Authority
JP
Japan
Prior art keywords
filter device
digital filter
data
avoiding
storing
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
JP1900376A
Other languages
Japanese (ja)
Other versions
JPS5523494B2 (en
Inventor
Hiroshi Kosugi
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP1900376A priority Critical patent/JPS52102653A/en
Publication of JPS52102653A publication Critical patent/JPS52102653A/en
Publication of JPS5523494B2 publication Critical patent/JPS5523494B2/ja
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
    • H03H17/04—Recursive filters
    • H03H17/0405—Recursive filters comprising a ROM addressed by the input and output data signals
    • 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

Abstract

PURPOSE:To obtain a filter, avoiding a multiplier unit of complex constitution and counting error, by means of storing the previously calculated products corresponding to the input, data to read out the output data according to the entering data.
JP1900376A 1976-02-25 1976-02-25 Digital filter device Granted JPS52102653A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1900376A JPS52102653A (en) 1976-02-25 1976-02-25 Digital filter device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1900376A JPS52102653A (en) 1976-02-25 1976-02-25 Digital filter device

Publications (2)

Publication Number Publication Date
JPS52102653A true JPS52102653A (en) 1977-08-29
JPS5523494B2 JPS5523494B2 (en) 1980-06-23

Family

ID=11987342

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1900376A Granted JPS52102653A (en) 1976-02-25 1976-02-25 Digital filter device

Country Status (1)

Country Link
JP (1) JPS52102653A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52155034A (en) * 1976-06-18 1977-12-23 Nippon Telegr & Teleph Corp <Ntt> Digital filter
JPS61107807A (en) * 1984-10-31 1986-05-26 Hitachi Ltd Digital waveform equalizer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52155034A (en) * 1976-06-18 1977-12-23 Nippon Telegr & Teleph Corp <Ntt> Digital filter
JPS5542769B2 (en) * 1976-06-18 1980-11-01
JPS61107807A (en) * 1984-10-31 1986-05-26 Hitachi Ltd Digital waveform equalizer

Also Published As

Publication number Publication date
JPS5523494B2 (en) 1980-06-23

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