DK38682A - CIRCUIT FOR EXPANSION OF SIGNALS AND CIRCUIT FOR COMPRESSION OF SIGNALS - Google Patents

CIRCUIT FOR EXPANSION OF SIGNALS AND CIRCUIT FOR COMPRESSION OF SIGNALS Download PDF

Info

Publication number: DK38682A
Authority: DK; Denmark
Prior art keywords: signals; circuit; expansion; compression
Prior art date: 1981-01-29

Application number

DK38682A

Other languages

Danish (da)

Inventor

C B Dieterich

T J Christopher

G N Mehrotra

Original Assignee

Rca Corp

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.)

1981-01-29

Filing date

1982-01-28

Publication date

1982-07-30

1981-01-29 Priority claimed from US06/229,743 external-priority patent/US4377788A/en

1981-04-28 Priority claimed from US06/258,432 external-priority patent/US4398157A/en

1982-01-28 Application filed by Rca Corp filed Critical Rca Corp

1982-07-30 Publication of DK38682A publication Critical patent/DK38682A/en

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Networks Using Active Elements (AREA)
Control Of Amplification And Gain Control (AREA)

DK38682A 1981-01-29 1982-01-28 CIRCUIT FOR EXPANSION OF SIGNALS AND CIRCUIT FOR COMPRESSION OF SIGNALS DK38682A (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US22951881A	1981-01-29	1981-01-29
US06/229,743 US4377788A (en)	1981-01-29	1981-01-29	Signal expander
US06/258,432 US4398157A (en)	1981-01-29	1981-04-28	Signal expander/compressor with adaptive control circuit

Publications (1)

Publication Number	Publication Date
DK38682A true DK38682A (en)	1982-07-30

Family

ID=27397963

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK38682A DK38682A (en)	1981-01-29	1982-01-28	CIRCUIT FOR EXPANSION OF SIGNALS AND CIRCUIT FOR COMPRESSION OF SIGNALS

Country Status (11)

Country	Link
KR (1)	KR830009703A (en)
AU (1)	AU544439B2 (en)
DE (1)	DE3202951C2 (en)
DK (1)	DK38682A (en)
ES (1)	ES8308457A1 (en)
FR (1)	FR2498850A1 (en)
GB (1)	GB2094594B (en)
IT (1)	IT1140449B (en)
NL (1)	NL8200321A (en)
PT (1)	PT74105B (en)
SE (1)	SE8200367A0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB8701365D0 (en) *	1987-01-22	1987-02-25	Thomas L D	Signal level control
SE9801235L (en) *	1998-04-08	1999-10-09	Anders Gingsjoe	Device and method for reducing transients
DE10122922A1 (en) *	2001-05-11	2002-11-14	Mgp Instr Gmbh	Measured data fluctuation suppression comprises feeding signals into filter, subtracting output signal from control signal, and feeding difference signal to comparator

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1044004A (en) *	1962-06-07	1966-09-28	Emi Ltd	Improvements in or relating to circuits for compressing or expanding the amplitude range of an input signal
US3732371A (en) *	1971-05-10	1973-05-08	Richard S Burwen	Wide dynamic range noise masking compandor
DE2306152A1 (en) *	1973-02-08	1974-08-15	Grundig Emv	AUTOMATIC GAIN CONTROL
US3980964A (en) *	1974-05-20	1976-09-14	Grodinsky Robert M	Noise reduction circuit
US4024463A (en) *	1976-05-03	1977-05-17	Rockwell International Corporation	A.C. amplifier automatic gain control fast attack circuit
DE2803751C2 (en) *	1978-01-28	1982-06-09	Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt	Circuit for automatic dynamic compression or expansion
US4220929A (en) *	1978-12-26	1980-09-02	Dbx, Inc.	Signal expander
GB2040616B (en) *	1979-01-17	1983-01-26	Racal Dana Instr Ltd	Electrical circuit arrangements

1981
- 1981-12-09 PT PT74105A patent/PT74105B/en unknown
- 1981-12-31 IT IT25956/81A patent/IT1140449B/en active
1982
- 1982-01-22 SE SE8200367A patent/SE8200367A0/en not_active Application Discontinuation
- 1982-01-22 ES ES508964A patent/ES8308457A1/en not_active Expired
- 1982-01-22 AU AU79758/82A patent/AU544439B2/en not_active Expired - Fee Related
- 1982-01-26 KR KR1019820000318A patent/KR830009703A/en unknown
- 1982-01-27 GB GB8202295A patent/GB2094594B/en not_active Expired
- 1982-01-28 FR FR8201337A patent/FR2498850A1/en not_active Withdrawn
- 1982-01-28 DK DK38682A patent/DK38682A/en not_active Application Discontinuation
- 1982-01-28 NL NL8200321A patent/NL8200321A/en not_active Application Discontinuation
- 1982-01-29 DE DE3202951A patent/DE3202951C2/en not_active Expired

Also Published As

Publication number	Publication date
SE8200367L (en)	1982-07-30
SE8200367A0 (en)	1982-07-30
AU544439B2 (en)	1985-05-30
FR2498850A1 (en)	1982-07-30
IT8125956A0 (en)	1981-12-31
GB2094594B (en)	1984-10-24
NL8200321A (en)	1982-08-16
AU7975882A (en)	1982-08-05
DE3202951C2 (en)	1984-08-09
PT74105B (en)	1983-06-15
KR830009703A (en)	1983-12-22
DE3202951A1 (en)	1982-08-26
GB2094594A (en)	1982-09-15
ES508964A0 (en)	1983-06-16
PT74105A (en)	1982-01-01
ES8308457A1 (en)	1983-06-16
IT1140449B (en)	1986-09-24

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Legal Events

Date	Code	Title	Description
1986-10-27	AHB	Application shelved due to non-payment