CH564884A5 - - Google Patents

Info

Publication number
CH564884A5
CH564884A5 CH1478574A CH1478574A CH564884A5 CH 564884 A5 CH564884 A5 CH 564884A5 CH 1478574 A CH1478574 A CH 1478574A CH 1478574 A CH1478574 A CH 1478574A CH 564884 A5 CH564884 A5 CH 564884A5
Authority
CH
Switzerland
Application number
CH1478574A
Original Assignee
Dolby Laboratories Inc
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 GB2040672A external-priority patent/GB1432763A/en
Application filed by Dolby Laboratories Inc filed Critical Dolby Laboratories Inc
Publication of CH564884A5 publication Critical patent/CH564884A5/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
    • 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
    • H03H11/0405—Non-linear filters
    • 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

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
CH1478574A 1972-05-02 1973-05-02 CH564884A5 (id)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2040672A GB1432763A (en) 1972-05-02 1972-05-02 Compressors expanders and noise reduction systems
CH625973A CH559473A5 (id) 1972-05-02 1973-05-02

Publications (1)

Publication Number Publication Date
CH564884A5 true CH564884A5 (id) 1975-07-31

Family

ID=25699269

Family Applications (3)

Application Number Title Priority Date Filing Date
CH1478474A CH564286A5 (id) 1972-05-02 1973-05-02
CH1478374A CH562534A5 (id) 1972-05-02 1973-05-02
CH1478574A CH564884A5 (id) 1972-05-02 1973-05-02

Family Applications Before (2)

Application Number Title Priority Date Filing Date
CH1478474A CH564286A5 (id) 1972-05-02 1973-05-02
CH1478374A CH562534A5 (id) 1972-05-02 1973-05-02

Country Status (1)

Country Link
CH (3) CH564286A5 (id)

Also Published As

Publication number Publication date
CH562534A5 (id) 1975-05-30
CH564286A5 (id) 1975-07-15

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Legal Events

Date Code Title Description
PFA Name/firm changed

Owner name: DOLBY LABORATORIES LICENSING CORPORATION

PL Patent ceased