FR2343364A1 - Appareil de filtre tiers d'octave a frequence centrale variable - Google Patents

Appareil de filtre tiers d'octave a frequence centrale variable

Info

Publication number
FR2343364A1
FR2343364A1 FR7605797A FR7605797A FR2343364A1 FR 2343364 A1 FR2343364 A1 FR 2343364A1 FR 7605797 A FR7605797 A FR 7605797A FR 7605797 A FR7605797 A FR 7605797A FR 2343364 A1 FR2343364 A1 FR 2343364A1
Authority
FR
France
Prior art keywords
switching means
binary
shifted
whose central
filter system
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
FR7605797A
Other languages
English (en)
French (fr)
Other versions
FR2343364B1 (OSRAM
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.)
LEA LABO ELECTRO ACOUSTIQUE
Original Assignee
LEA LABO ELECTRO ACOUSTIQUE
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 LEA LABO ELECTRO ACOUSTIQUE filed Critical LEA LABO ELECTRO ACOUSTIQUE
Priority to FR7605797A priority Critical patent/FR2343364A1/fr
Priority to DK90377A priority patent/DK90377A/da
Priority to DE19772709011 priority patent/DE2709011A1/de
Priority to BE175397A priority patent/BE851993A/xx
Publication of FR2343364A1 publication Critical patent/FR2343364A1/fr
Application granted granted Critical
Publication of FR2343364B1 publication Critical patent/FR2343364B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/126—Frequency selective two-port networks using amplifiers with feedback using a single operational amplifier

Landscapes

  • Networks Using Active Elements (AREA)
  • Filters That Use Time-Delay Elements (AREA)
FR7605797A 1976-03-02 1976-03-02 Appareil de filtre tiers d'octave a frequence centrale variable Granted FR2343364A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7605797A FR2343364A1 (fr) 1976-03-02 1976-03-02 Appareil de filtre tiers d'octave a frequence centrale variable
DK90377A DK90377A (da) 1976-03-02 1977-03-02 Apparat med et tredje oktav filter med variabel midterfrekvens
DE19772709011 DE2709011A1 (de) 1976-03-02 1977-03-02 Dritteloktaven-filtergeraet
BE175397A BE851993A (fr) 1976-03-02 1977-03-02 Appareil de filtre tiers d'octave a frequence centrale variable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7605797A FR2343364A1 (fr) 1976-03-02 1976-03-02 Appareil de filtre tiers d'octave a frequence centrale variable

Publications (2)

Publication Number Publication Date
FR2343364A1 true FR2343364A1 (fr) 1977-09-30
FR2343364B1 FR2343364B1 (OSRAM) 1980-07-04

Family

ID=9169815

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7605797A Granted FR2343364A1 (fr) 1976-03-02 1976-03-02 Appareil de filtre tiers d'octave a frequence centrale variable

Country Status (4)

Country Link
BE (1) BE851993A (OSRAM)
DE (1) DE2709011A1 (OSRAM)
DK (1) DK90377A (OSRAM)
FR (1) FR2343364A1 (OSRAM)

Also Published As

Publication number Publication date
DE2709011A1 (de) 1977-09-08
FR2343364B1 (OSRAM) 1980-07-04
BE851993A (fr) 1977-07-01
DK90377A (da) 1977-09-03

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Legal Events

Date Code Title Description
ST Notification of lapse