IT1140449B - SIGNAL EXPANDER - Google Patents

SIGNAL EXPANDER

Info

Publication number
IT1140449B
IT1140449B IT25956/81A IT2595681A IT1140449B IT 1140449 B IT1140449 B IT 1140449B IT 25956/81 A IT25956/81 A IT 25956/81A IT 2595681 A IT2595681 A IT 2595681A IT 1140449 B IT1140449 B IT 1140449B
Authority
IT
Italy
Prior art keywords
signal expander
expander
signal
Prior art date
Application number
IT25956/81A
Other languages
Italian (it)
Other versions
IT8125956A0 (en
Inventor
Charles Benjamin Dieterich
J Christopher Todd
Gopi Nath 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.)
Filing date
Publication date
Priority claimed from US06/229,743 external-priority patent/US4377788A/en
Priority claimed from US06/258,432 external-priority patent/US4398157A/en
Application filed by Rca Corp filed Critical Rca Corp
Publication of IT8125956A0 publication Critical patent/IT8125956A0/en
Application granted granted Critical
Publication of IT1140449B publication Critical patent/IT1140449B/en

Links

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
IT25956/81A 1981-01-29 1981-12-31 SIGNAL EXPANDER IT1140449B (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 (2)

Publication Number Publication Date
IT8125956A0 IT8125956A0 (en) 1981-12-31
IT1140449B true IT1140449B (en) 1986-09-24

Family

ID=27397963

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25956/81A IT1140449B (en) 1981-01-29 1981-12-31 SIGNAL EXPANDER

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) SE8200367L (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

Also Published As

Publication number Publication date
FR2498850A1 (en) 1982-07-30
KR830009703A (en) 1983-12-22
PT74105B (en) 1983-06-15
IT8125956A0 (en) 1981-12-31
GB2094594A (en) 1982-09-15
ES508964A0 (en) 1983-06-16
DE3202951C2 (en) 1984-08-09
ES8308457A1 (en) 1983-06-16
SE8200367A0 (en) 1982-07-30
SE8200367L (en) 1982-07-30
AU7975882A (en) 1982-08-05
AU544439B2 (en) 1985-05-30
DK38682A (en) 1982-07-30
GB2094594B (en) 1984-10-24
PT74105A (en) 1982-01-01
DE3202951A1 (en) 1982-08-26
NL8200321A (en) 1982-08-16

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