NL186989C - Schakelinrichting ter beinvloeding van de dynamiek van ingangssignalen. - Google Patents

Schakelinrichting ter beinvloeding van de dynamiek van ingangssignalen.

Info

Publication number
NL186989C
NL186989C NLAANVRAGE7306131,A NL7306131A NL186989C NL 186989 C NL186989 C NL 186989C NL 7306131 A NL7306131 A NL 7306131A NL 186989 C NL186989 C NL 186989C
Authority
NL
Netherlands
Prior art keywords
dynamics
influencing
switching device
input signals
signals
Prior art date
Application number
NLAANVRAGE7306131,A
Other languages
English (en)
Other versions
NL186989B (nl
NL7306131A (nl
Original Assignee
Dolby Lab Licensing 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
Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Publication of NL7306131A publication Critical patent/NL7306131A/xx
Publication of NL186989B publication Critical patent/NL186989B/nl
Application granted granted Critical
Publication of NL186989C publication Critical patent/NL186989C/nl

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/0405—Non-linear filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • 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
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/126—Frequency selective two-port networks using amplifiers with feedback using a single operational amplifier

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
NLAANVRAGE7306131,A 1972-05-02 1973-05-02 Schakelinrichting ter beinvloeding van de dynamiek van ingangssignalen. NL186989C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2040672A GB1432763A (en) 1972-05-02 1972-05-02 Compressors expanders and noise reduction systems

Publications (3)

Publication Number Publication Date
NL7306131A NL7306131A (nl) 1973-11-06
NL186989B NL186989B (nl) 1990-11-16
NL186989C true NL186989C (nl) 1991-04-16

Family

ID=10145451

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7306131,A NL186989C (nl) 1972-05-02 1973-05-02 Schakelinrichting ter beinvloeding van de dynamiek van ingangssignalen.

Country Status (11)

Country Link
US (1) US3828280A (nl)
JP (1) JPS57685B2 (nl)
AT (1) AT358099B (nl)
CA (1) CA988432A (nl)
CH (1) CH559473A5 (nl)
DE (1) DE2321686C2 (nl)
FR (1) FR2183155B1 (nl)
GB (1) GB1432763A (nl)
IT (1) IT1030662B (nl)
NL (1) NL186989C (nl)
SE (3) SE404862B (nl)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3909733A (en) * 1973-05-17 1975-09-30 Dolby Laboratories Inc Dynamic range modifying circuits utilizing variable negative resistance
JPS519805A (ja) * 1974-07-15 1976-01-26 Sanyo Electric Co Zatsuonteigenkairo
US4155041A (en) 1976-05-13 1979-05-15 Burns Richard C System for reducing noise transients
JPS5918723Y2 (ja) * 1976-10-26 1984-05-30 株式会社東芝 雑音低減装置における信号レベル表示装置
US4142211A (en) * 1977-11-23 1979-02-27 Microtime, Inc. Bidimensional noise reduction system for television
FR2435156A1 (fr) * 1978-08-31 1980-03-28 Izakson Ilya Filtre adaptatif
JPS55156431A (en) * 1979-05-24 1980-12-05 Sony Corp Noise reduction system
SE422369B (sv) * 1979-08-03 1982-03-01 Arvid Lundbeck Anordning for kompensering av overforingsfunktion
JPS56106433A (en) * 1980-01-28 1981-08-24 Sony Corp Noise reducing circuit
JPS56157112A (en) * 1980-05-08 1981-12-04 Pioneer Electronic Corp Compressing and expanding circuit for signal
BE889427A (fr) * 1980-06-30 1981-10-16 Dolby Ray Milton Circuit de suppression des effets de modulation dans des compresseurs, des expanseurs et des dispositifs de reduction des bruits
DK156356C (da) * 1980-06-30 1989-12-27 Ray Milton Dolby Kredsloeb til reduktion af overbelastningseffekter i signalindspilnings-og transmissionssystemer
GB2111356B (en) * 1981-12-01 1985-03-20 Ray Milton Dolby Improvements in circuit arrangements for modifying dynamic range
CA1188384A (en) * 1981-12-29 1985-06-04 Masayuki Katakura Noise reduction circuit
JPH0320796Y2 (nl) * 1985-07-18 1991-05-07
US4737735A (en) * 1986-07-25 1988-04-12 Kampes Donald P Phantom powered amplifier
US4944024A (en) * 1989-02-02 1990-07-24 Amaf Industries, Inc. Method and apparatus for reducing noise in a linked compressor-expander telecommunications system
US5278912A (en) * 1991-06-28 1994-01-11 Resound Corporation Multiband programmable compression system
US8315398B2 (en) 2007-12-21 2012-11-20 Dts Llc System for adjusting perceived loudness of audio signals
US8538042B2 (en) 2009-08-11 2013-09-17 Dts Llc System for increasing perceived loudness of speakers
US9312829B2 (en) 2012-04-12 2016-04-12 Dts Llc System for adjusting loudness of audio signals in real time
US10983073B2 (en) 2016-07-16 2021-04-20 Rigaku Corporation Hybrid inspection system
US11990380B2 (en) * 2019-04-19 2024-05-21 Kla Corporation Methods and systems for combining x-ray metrology data sets to improve parameter estimation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2193966A (en) * 1936-08-05 1940-03-19 Jones Cyril Edward Palmer Volume range controlling arrangement employing thermionic amplifiers
GB1253031A (nl) * 1968-01-10 1971-11-10
US3631365A (en) * 1968-11-01 1971-12-28 Dolby Laboratories Inc Signal compressors and expanders
BE753495A (fr) * 1969-07-21 1970-12-16 Dolby Laboratories Inc Filtres limiteurs perfectionnes pour systemes attenuateurs de bruit. (
US3729693A (en) * 1971-08-02 1973-04-24 R Dolby Compressor/expander switching methods and apparatus

Also Published As

Publication number Publication date
AT358099B (de) 1980-08-25
SE7602316L (sv) 1976-02-25
GB1432763A (en) 1976-04-22
SE404862B (sv) 1978-10-30
JPS57685B2 (nl) 1982-01-07
NL186989B (nl) 1990-11-16
IT1030662B (it) 1979-04-10
SE414102B (sv) 1980-07-07
FR2183155B1 (nl) 1977-09-02
DE2321686A1 (de) 1973-11-08
DE2321686C2 (de) 1982-12-30
NL7306131A (nl) 1973-11-06
CA988432A (en) 1976-05-04
SE409069B (sv) 1979-07-23
ATA385973A (de) 1980-01-15
CH559473A5 (nl) 1975-02-28
SE7602315L (sv) 1976-02-25
JPS4956562A (nl) 1974-06-01
US3828280A (en) 1974-08-06
FR2183155A1 (nl) 1973-12-14

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BT A notification was added to the application dossier and made available to the public
BB A search report has been drawn up
BC A request for examination has been filed
DNT Communications of changes of names of applicants whose applications have been laid open to public inspection

Free format text: DOLBY LABORATORIES LICENSING CORPORATION

A85 Still pending on 85-01-01
V4 Discontinued because of reaching the maximum lifetime of a patent