GB2094594B - Apparatus for varying the dynamic range of a signal - Google Patents

Apparatus for varying the dynamic range of a signal

Info

Publication number
GB2094594B
GB2094594B GB8202295A GB8202295A GB2094594B GB 2094594 B GB2094594 B GB 2094594B GB 8202295 A GB8202295 A GB 8202295A GB 8202295 A GB8202295 A GB 8202295A GB 2094594 B GB2094594 B GB 2094594B
Authority
GB
United Kingdom
Prior art keywords
varying
signal
dynamic range
dynamic
range
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB8202295A
Other versions
GB2094594A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
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 GB2094594A publication Critical patent/GB2094594A/en
Application granted granted Critical
Publication of GB2094594B publication Critical patent/GB2094594B/en
Expired legal-status Critical Current

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

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)
GB8202295A 1981-01-29 1982-01-27 Apparatus for varying the dynamic range of a signal Expired GB2094594B (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
GB2094594A GB2094594A (en) 1982-09-15
GB2094594B true GB2094594B (en) 1984-10-24

Family

ID=27397963

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8202295A Expired GB2094594B (en) 1981-01-29 1982-01-27 Apparatus for varying the dynamic range of a signal

Country Status (11)

Country Link
KR (1) KR830009703A (en)
AU (1) AU544439B2 (en)
DE (1) DE3202951C2 (en)
DK (1) DK38682A (en)
ES (1) ES508964A0 (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
AU7975882A (en) 1982-08-05
DE3202951C2 (en) 1984-08-09
DK38682A (en) 1982-07-30
PT74105A (en) 1982-01-01
ES8308457A1 (en) 1983-06-16
SE8200367A0 (en) 1982-07-30
SE8200367L (en) 1982-07-30
IT1140449B (en) 1986-09-24
ES508964A0 (en) 1983-06-16
GB2094594A (en) 1982-09-15
IT8125956A0 (en) 1981-12-31
PT74105B (en) 1983-06-15
NL8200321A (en) 1982-08-16
AU544439B2 (en) 1985-05-30
KR830009703A (en) 1983-12-22
DE3202951A1 (en) 1982-08-26
FR2498850A1 (en) 1982-07-30

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee