SE7908119L - Styrkrets for elektroniskt styrbara forsterkar- och dempningssteg - Google Patents

Styrkrets for elektroniskt styrbara forsterkar- och dempningssteg

Info

Publication number
SE7908119L
SE7908119L SE7908119A SE7908119A SE7908119L SE 7908119 L SE7908119 L SE 7908119L SE 7908119 A SE7908119 A SE 7908119A SE 7908119 A SE7908119 A SE 7908119A SE 7908119 L SE7908119 L SE 7908119L
Authority
SE
Sweden
Prior art keywords
dimage
steps
controllable amplifier
electronic controllable
control voltage
Prior art date
Application number
SE7908119A
Other languages
Unknown language ( )
English (en)
Swedish (sv)
Inventor
E Schroder
J Wermuth
Original Assignee
Licentia Gmbh
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 Licentia Gmbh filed Critical Licentia Gmbh
Publication of SE7908119L publication Critical patent/SE7908119L/

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G7/00Volume compression or expansion in amplifiers
    • H03G7/002Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06GANALOGUE COMPUTERS
    • G06G7/00Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/24Arrangements for performing computing operations, e.g. operational amplifiers for evaluating logarithmic or exponential functions, e.g. hyperbolic functions

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Multimedia (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Amplifiers (AREA)
  • Networks Using Active Elements (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Electrotherapy Devices (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
SE7908119A 1978-10-02 1979-10-01 Styrkrets for elektroniskt styrbara forsterkar- och dempningssteg SE7908119L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2842945A DE2842945C3 (de) 1978-10-02 1978-10-02 Schaltung zur Erzeugung eines Steuersignals zur Steuerung des Übertragungsmaßes von elektronisch steuerbaren Verstärkungs-oder Dämpfungsgliedern

Publications (1)

Publication Number Publication Date
SE7908119L true SE7908119L (sv) 1980-04-03

Family

ID=6051177

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7908119A SE7908119L (sv) 1978-10-02 1979-10-01 Styrkrets for elektroniskt styrbara forsterkar- och dempningssteg

Country Status (22)

Country Link
US (1) US4278945A (ru)
JP (1) JPS5924561B2 (ru)
AT (1) AT378636B (ru)
AU (1) AU5135079A (ru)
BE (1) BE879066A (ru)
BR (1) BR7906288A (ru)
CH (1) CH647110A5 (ru)
DD (1) DD146375A5 (ru)
DE (1) DE2842945C3 (ru)
DK (1) DK411179A (ru)
ES (1) ES484480A1 (ru)
FI (1) FI72017C (ru)
FR (1) FR2438377A1 (ru)
GB (1) GB2033701B (ru)
IT (1) IT1123418B (ru)
MX (1) MX146191A (ru)
NO (1) NO148094C (ru)
PL (1) PL218670A1 (ru)
SE (1) SE7908119L (ru)
SU (1) SU854286A3 (ru)
YU (1) YU238379A (ru)
ZA (1) ZA795210B (ru)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2847436A1 (de) * 1978-11-02 1980-06-12 Licentia Gmbh Schaltungsanordnung mit steuerbaren impedanzen
JPS5752240A (en) * 1980-09-09 1982-03-27 Sony Corp Noise reducing circuit
DE3050574A1 (en) * 1980-10-03 1982-11-18 G Bloy System for maximum efficient transfer of modulated audio frequency energy
DE3039410A1 (de) * 1980-10-18 1982-05-19 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltung zur dynamik-kompression und/oder -expansion
EP0086777A1 (en) * 1981-08-26 1983-08-31 EBERHARDT, Alfred F. System for maximum efficiency transfer of modulated signals utilizing line systems
DE3604832A1 (de) * 1986-02-15 1987-08-20 Standard Elektrik Lorenz Ag Kompressor
DE10148441C1 (de) 2001-10-01 2003-03-06 Siemens Ag Dynamikkompressor für ein zu komprimierendes Analogsignal
JP4727636B2 (ja) * 2007-09-13 2011-07-20 トヨタ自動車株式会社 車両の充電制御装置および車両

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO142768C (no) * 1974-01-26 1980-10-08 Licentia Gmbh Kopling for automatisk dynamikk-kompresjon eller -ekspansjon
DE2406258C2 (de) * 1974-02-09 1976-01-08 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltung zur automatischen Dynamik-Kompression oder -Expansion
US3986049A (en) * 1975-06-30 1976-10-12 Motorola, Inc. Audio compressor/limiter amplifier
JPS5729368Y2 (ru) * 1977-02-10 1982-06-28

Also Published As

Publication number Publication date
SU854286A3 (ru) 1981-08-07
FI72017B (fi) 1986-11-28
NO148094B (no) 1983-04-25
BE879066A (fr) 1980-01-16
BR7906288A (pt) 1980-07-15
US4278945A (en) 1981-07-14
NO793142L (no) 1980-04-08
ZA795210B (en) 1980-10-29
PL218670A1 (ru) 1980-10-06
FI72017C (fi) 1987-03-09
AU5135079A (en) 1980-04-17
IT7926194A0 (it) 1979-10-02
AT378636B (de) 1985-09-10
JPS5924561B2 (ja) 1984-06-11
DE2842945A1 (de) 1980-04-10
JPS5549010A (en) 1980-04-08
ES484480A1 (es) 1980-09-01
DK411179A (da) 1980-04-03
ATA640679A (de) 1985-01-15
DE2842945B2 (de) 1981-03-12
FI793044A (fi) 1980-04-03
GB2033701B (en) 1982-09-22
FR2438377B1 (ru) 1983-12-30
YU238379A (en) 1983-02-28
DE2842945C3 (de) 1981-11-19
FR2438377A1 (fr) 1980-04-30
CH647110A5 (de) 1984-12-28
MX146191A (es) 1982-05-21
DD146375A5 (de) 1981-02-04
IT1123418B (it) 1986-04-30
GB2033701A (en) 1980-05-21
NO148094C (no) 1983-08-10

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