PT74105B - Signal expander - Google Patents

Signal expander

Info

Publication number
PT74105B
PT74105B PT74105A PT7410581A PT74105B PT 74105 B PT74105 B PT 74105B PT 74105 A PT74105 A PT 74105A PT 7410581 A PT7410581 A PT 7410581A PT 74105 B PT74105 B PT 74105B
Authority
PT
Portugal
Prior art keywords
signal expander
expander
signal
Prior art date
Application number
PT74105A
Other languages
Portuguese (pt)
Other versions
PT74105A (en
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 PT74105A publication Critical patent/PT74105A/en
Publication of PT74105B publication Critical patent/PT74105B/en

Links

Classifications

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

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)
PT74105A 1981-01-29 1981-12-09 Signal expander PT74105B (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
PT74105A PT74105A (en) 1982-01-01
PT74105B true PT74105B (en) 1983-06-15

Family

ID=27397963

Family Applications (1)

Application Number Title Priority Date Filing Date
PT74105A PT74105B (en) 1981-01-29 1981-12-09 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) 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

Also Published As

Publication number Publication date
DE3202951A1 (en) 1982-08-26
SE8200367L (en) 1982-07-30
GB2094594B (en) 1984-10-24
IT1140449B (en) 1986-09-24
IT8125956A0 (en) 1981-12-31
AU7975882A (en) 1982-08-05
ES508964A0 (en) 1983-06-16
FR2498850A1 (en) 1982-07-30
DK38682A (en) 1982-07-30
ES8308457A1 (en) 1983-06-16
GB2094594A (en) 1982-09-15
SE8200367A0 (en) 1982-07-30
DE3202951C2 (en) 1984-08-09
NL8200321A (en) 1982-08-16
PT74105A (en) 1982-01-01
AU544439B2 (en) 1985-05-30
KR830009703A (en) 1983-12-22

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