NL7509585A - Wisselstroomsignaalverwerkingsketens voor compandors. - Google Patents

Wisselstroomsignaalverwerkingsketens voor compandors.

Info

Publication number
NL7509585A
NL7509585A NL7509585A NL7509585A NL7509585A NL 7509585 A NL7509585 A NL 7509585A NL 7509585 A NL7509585 A NL 7509585A NL 7509585 A NL7509585 A NL 7509585A NL 7509585 A NL7509585 A NL 7509585A
Authority
NL
Netherlands
Prior art keywords
compandors
signal processing
current signal
processing chains
chains
Prior art date
Application number
NL7509585A
Other languages
English (en)
Original Assignee
Northern Electric Co
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 Northern Electric Co filed Critical Northern Electric Co
Publication of NL7509585A publication Critical patent/NL7509585A/nl

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • H04B1/64—Volume compression or expansion arrangements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
    • H03G1/0052—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using diodes
    • 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
    • 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
    • H03G9/12—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices
    • H03G9/18—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for tone control and volume expansion or compression

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Networks Using Active Elements (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
NL7509585A 1974-08-27 1975-08-12 Wisselstroomsignaalverwerkingsketens voor compandors. NL7509585A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA207,850A CA998617A (en) 1974-08-27 1974-08-27 A-c signal processing circuits for compandors

Publications (1)

Publication Number Publication Date
NL7509585A true NL7509585A (nl) 1976-03-02

Family

ID=4100982

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7509585A NL7509585A (nl) 1974-08-27 1975-08-12 Wisselstroomsignaalverwerkingsketens voor compandors.

Country Status (7)

Country Link
JP (1) JPS5147312A (nl)
CA (1) CA998617A (nl)
DE (1) DE2537998A1 (nl)
FR (1) FR2283586A1 (nl)
GB (1) GB1514242A (nl)
NL (1) NL7509585A (nl)
SE (1) SE7509493L (nl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2485838B1 (fr) * 1980-06-30 1986-02-21 Dolby Ray Dispositif destine a modifier la plage dynamique de signaux d'entree
JPS58108857A (ja) * 1981-12-23 1983-06-29 Fujitsu Ltd 過電流保護回路
EP1837893A1 (de) 2006-03-25 2007-09-26 HÜTTINGER Elektronik GmbH + Co. KG Messeeinrichtung eines HF-Plasmasystems

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1085919B (de) * 1959-04-23 1960-07-28 Philips Nv Wiedergabevorrichtung mit selbsttaetiger Verstaerkungsregelung
US3119077A (en) * 1960-12-09 1964-01-21 Bell Telephone Labor Inc Automatic gain control circuit using variable attenuators in the signal path
JPS5640403B1 (nl) * 1971-02-10 1981-09-21

Also Published As

Publication number Publication date
JPS5147312A (en) 1976-04-22
DE2537998A1 (de) 1976-03-11
FR2283586A1 (fr) 1976-03-26
CA998617A (en) 1976-10-19
GB1514242A (en) 1978-06-14
SE7509493L (sv) 1976-03-01

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Legal Events

Date Code Title Description
BV The patent application has lapsed