NL6900209A - - Google Patents

Info

Publication number
NL6900209A
NL6900209A NL6900209A NL6900209A NL6900209A NL 6900209 A NL6900209 A NL 6900209A NL 6900209 A NL6900209 A NL 6900209A NL 6900209 A NL6900209 A NL 6900209A NL 6900209 A NL6900209 A NL 6900209A
Authority
NL
Netherlands
Application number
NL6900209A
Other versions
NL161006C (nl
NL161006B (nl
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
Application filed filed Critical
Publication of NL6900209A publication Critical patent/NL6900209A/xx
Priority to NLAANVRAGE7905171,A priority Critical patent/NL177270C/xx
Priority to NLAANVRAGE7905170,A priority patent/NL176727C/xx
Publication of NL161006B publication Critical patent/NL161006B/xx
Application granted granted Critical
Publication of NL161006C publication Critical patent/NL161006C/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • H04B1/64—Volume compression or expansion arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Processing Of Color Television Signals (AREA)
NL6900209A 1968-01-10 1969-01-06 Inrichting voor compressie en/of expansie van het dynamische bereik van een ingangssignaal. NL161006C (nl)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NLAANVRAGE7905171,A NL177270C (nl) 1968-01-10 1979-07-03 Signaalcompressor of signaalexpander met een eerste circuit dat het ingangssignaal met lineaire dynamiek doorlaat en met een verder circuit met begrenzingswerking.
NLAANVRAGE7905170,A NL176727C (nl) 1968-01-10 1979-07-03 Expander voor het expanderen van het dynamische bereik van een ingangssignaal.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB154068 1968-01-10

Publications (3)

Publication Number Publication Date
NL6900209A true NL6900209A (en:Method) 1969-07-14
NL161006B NL161006B (nl) 1979-07-16
NL161006C NL161006C (nl) 1979-12-17

Family

ID=9723759

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6900209A NL161006C (nl) 1968-01-10 1969-01-06 Inrichting voor compressie en/of expansie van het dynamische bereik van een ingangssignaal.

Country Status (11)

Country Link
JP (4) JPS518284B1 (en:Method)
AT (2) AT303122B (en:Method)
BE (1) BE726177A (en:Method)
CH (1) CH501342A (en:Method)
DE (1) DE1900639B2 (en:Method)
DK (1) DK140299B (en:Method)
FR (1) FR1600207A (en:Method)
GB (1) GB1253031A (en:Method)
NL (1) NL161006C (en:Method)
NO (2) NO126505B (en:Method)
SE (3) SE367106B (en:Method)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1390341A (en) * 1971-03-12 1975-04-09 Dolby Laboratories Inc Signal compressors and expanders
US3729693A (en) * 1971-08-02 1973-04-24 R Dolby Compressor/expander switching methods and apparatus
GB1432763A (en) * 1972-05-02 1976-04-22 Dolby Laboratories Inc Compressors expanders and noise reduction systems
GB1438711A (en) * 1973-01-23 1976-06-09 Dolby Laboratories Inc Calibration oscillators for noise reduction systems
US3909733A (en) * 1973-05-17 1975-09-30 Dolby Laboratories Inc Dynamic range modifying circuits utilizing variable negative resistance
JPS5439516A (en) * 1977-09-02 1979-03-27 Sanyo Electric Co Ltd Noise reduction unit
DE2856045A1 (de) * 1978-12-23 1980-07-10 Licentia Gmbh Schaltung zur wahlweisen automatischen dynamik-kompression oder -expansion
DE2919280A1 (de) * 1979-05-12 1980-11-20 Licentia Gmbh Schaltung zur wahlweisen automatischen dynamik-kompression oder -expansion
DK168806B1 (da) * 1980-06-30 1994-06-13 Ray Milton Dolby Kredsløbsarrangement til modifikation af dynamikområde
JP2005175674A (ja) * 2003-12-09 2005-06-30 Nec Corp 信号圧縮伸張装置および携帯通信端末装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3111635A (en) 1960-05-05 1963-11-19 Fairchild Recording Equipment Method and apparatus for eliminating overloading in modulating systems having pre-emphasis means
FR1489458A (fr) 1965-08-13 1967-07-21 Ford France Liant pour peinture durcissable par irradiation

Also Published As

Publication number Publication date
SE350379B (en:Method) 1972-10-23
GB1253031A (en:Method) 1971-11-10
DE1900639B2 (de) 1976-04-01
SE366623B (en:Method) 1974-04-29
JPS531602B1 (en:Method) 1978-01-20
JPS518284B1 (en:Method) 1976-03-16
NO126505B (en:Method) 1973-02-12
BE726177A (en:Method) 1969-05-29
DK140299C (en:Method) 1980-01-14
DE1900639A1 (de) 1969-07-31
NL161006C (nl) 1979-12-17
NL161006B (nl) 1979-07-16
AT303122B (de) 1972-11-10
SE367106B (en:Method) 1974-05-13
JPS518767B1 (en:Method) 1976-03-19
NO128842B (en:Method) 1974-01-14
DK140299B (da) 1979-07-23
FR1600207A (en:Method) 1970-07-20
AT308832B (de) 1973-06-15
JPS518768B1 (en:Method) 1976-03-19
CH501342A (de) 1970-12-31

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Legal Events

Date Code Title Description
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: DOLBY

V4 Lapsed because of reaching the maxim lifetime of a patent