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

Styrkrets for elektroniskt styrbara forsterkar- och dempningssteg

Info

Publication number: SE7908119L
Authority: SE; Sweden
Prior art keywords: dimage; steps; controllable amplifier; electronic controllable; control voltage
Prior art date: 1978-10-02

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.)

1978-10-02

Filing date

1979-10-01

Publication date

1980-04-03

1979-10-01 Application filed by Licentia Gmbh filed Critical Licentia Gmbh

1980-04-03 Publication of SE7908119L publication Critical patent/SE7908119L/

Links

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor
- G06G7/24—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor 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)
Software Systems (AREA)
General Physics & Mathematics (AREA)
Computer Hardware Design (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)
Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Electrotherapy Devices (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 (it)
JP (1)	JPS5924561B2 (it)
AT (1)	AT378636B (it)
AU (1)	AU5135079A (it)
BE (1)	BE879066A (it)
BR (1)	BR7906288A (it)
CH (1)	CH647110A5 (it)
DD (1)	DD146375A5 (it)
DE (1)	DE2842945C3 (it)
DK (1)	DK411179A (it)
ES (1)	ES484480A1 (it)
FI (1)	FI72017C (it)
FR (1)	FR2438377A1 (it)
GB (1)	GB2033701B (it)
IT (1)	IT1123418B (it)
MX (1)	MX146191A (it)
NO (1)	NO148094C (it)
PL (1)	PL218670A1 (it)
SE (1)	SE7908119L (it)
SU (1)	SU854286A3 (it)
YU (1)	YU238379A (it)
ZA (1)	ZA795210B (it)

Families Citing this family (9)

* 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
AU7178181A (en) *	1980-10-03	1982-04-28	Bloy, Graham Philip	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
NL8100033A (nl)	1981-01-07	1982-08-02	Philips Nv	Signaaloverdrachtsinrichting met een in stappen instelbare overdrachtskarakteristiek.
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 (it) *	1977-02-10	1982-06-28

1978
- 1978-10-02 DE DE2842945A patent/DE2842945C3/de not_active Expired
1979
- 1979-09-12 GB GB7931675A patent/GB2033701B/en not_active Expired
- 1979-09-19 DD DD79215897A patent/DD146375A5/de unknown
- 1979-09-26 ES ES484480A patent/ES484480A1/es not_active Expired
- 1979-09-27 FR FR7924086A patent/FR2438377A1/fr active Granted
- 1979-09-27 MX MX179419A patent/MX146191A/es unknown
- 1979-09-28 BE BE0/197371A patent/BE879066A/fr not_active IP Right Cessation
- 1979-10-01 NO NO793142A patent/NO148094C/no unknown
- 1979-10-01 PL PL21867079A patent/PL218670A1/xx unknown
- 1979-10-01 ZA ZA00795210A patent/ZA795210B/xx unknown
- 1979-10-01 FI FI793044A patent/FI72017C/fi not_active IP Right Cessation
- 1979-10-01 DK DK411179A patent/DK411179A/da not_active Application Discontinuation
- 1979-10-01 SU SU792825148A patent/SU854286A3/ru active
- 1979-10-01 BR BR7906288A patent/BR7906288A/pt unknown
- 1979-10-01 AT AT0640679A patent/AT378636B/de not_active IP Right Cessation
- 1979-10-01 US US06/080,949 patent/US4278945A/en not_active Expired - Lifetime
- 1979-10-01 CH CH881979A patent/CH647110A5/de not_active IP Right Cessation
- 1979-10-01 SE SE7908119A patent/SE7908119L/ not_active Application Discontinuation
- 1979-10-01 YU YU02383/79A patent/YU238379A/xx unknown
- 1979-10-02 JP JP54126497A patent/JPS5924561B2/ja not_active Expired
- 1979-10-02 IT IT26194/79A patent/IT1123418B/it active
- 1979-10-02 AU AU51350/79A patent/AU5135079A/en not_active Abandoned

Also Published As

Publication number	Publication date
BR7906288A (pt)	1980-07-15
MX146191A (es)	1982-05-21
CH647110A5 (de)	1984-12-28
FI72017C (fi)	1987-03-09
BE879066A (fr)	1980-01-16
ZA795210B (en)	1980-10-29
FR2438377B1 (it)	1983-12-30
FR2438377A1 (fr)	1980-04-30
US4278945A (en)	1981-07-14
JPS5924561B2 (ja)	1984-06-11
ES484480A1 (es)	1980-09-01
DK411179A (da)	1980-04-03
AT378636B (de)	1985-09-10
DE2842945B2 (de)	1981-03-12
FI793044A7 (fi)	1980-04-03
GB2033701B (en)	1982-09-22
PL218670A1 (it)	1980-10-06
NO148094B (no)	1983-04-25
DD146375A5 (de)	1981-02-04
GB2033701A (en)	1980-05-21
DE2842945C3 (de)	1981-11-19
NO148094C (no)	1983-08-10
DE2842945A1 (de)	1980-04-10
NO793142L (no)	1980-04-08
SU854286A3 (ru)	1981-08-07
FI72017B (fi)	1986-11-28
IT7926194A0 (it)	1979-10-02
YU238379A (en)	1983-02-28
AU5135079A (en)	1980-04-17
IT1123418B (it)	1986-04-30
ATA640679A (de)	1985-01-15
JPS5549010A (en)	1980-04-08

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Legal Events

Date

Code

Title

Description

1995-02-28

NAV

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