NL7607410A - Signaalcompressieschakeling en signaalexpansie- schakeling. - Google Patents

Signaalcompressieschakeling en signaalexpansie- schakeling.

Info

Publication number
NL7607410A
NL7607410A NL7607410A NL7607410A NL7607410A NL 7607410 A NL7607410 A NL 7607410A NL 7607410 A NL7607410 A NL 7607410A NL 7607410 A NL7607410 A NL 7607410A NL 7607410 A NL7607410 A NL 7607410A
Authority
NL
Netherlands
Prior art keywords
switch
signal
expansion
compression
signal compression
Prior art date
Application number
NL7607410A
Other languages
English (en)
Other versions
NL190135B (nl
NL190135C (nl
Original Assignee
Sony 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 JP50082219A external-priority patent/JPS5823967B2/ja
Priority claimed from JP50082220A external-priority patent/JPS5823968B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of NL7607410A publication Critical patent/NL7607410A/nl
Publication of NL190135B publication Critical patent/NL190135B/nl
Application granted granted Critical
Publication of NL190135C publication Critical patent/NL190135C/nl

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
    • H03G7/004—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers using continuously variable impedance devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
NLAANVRAGE7607410,A 1975-07-03 1976-07-05 Signaalcompressie- en/of -expansieschakeling. NL190135C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP50082219A JPS5823967B2 (ja) 1975-07-03 1975-07-03 シンゴウアツシユクカイロ
JP50082220A JPS5823968B2 (ja) 1975-07-03 1975-07-03 シンゴウシンチヨウカイロ

Publications (3)

Publication Number Publication Date
NL7607410A true NL7607410A (nl) 1977-01-05
NL190135B NL190135B (nl) 1993-06-01
NL190135C NL190135C (nl) 1993-11-01

Family

ID=26423233

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7607410,A NL190135C (nl) 1975-07-03 1976-07-05 Signaalcompressie- en/of -expansieschakeling.

Country Status (7)

Country Link
US (1) US4054849A (nl)
AU (1) AU506502B2 (nl)
CA (1) CA1056311A (nl)
DE (1) DE2629957A1 (nl)
FR (1) FR2316691A1 (nl)
GB (1) GB1546672A (nl)
NL (1) NL190135C (nl)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4202238A (en) * 1978-06-01 1980-05-13 Norlin Industries, Inc. Compressor-expander for a musical instrument
DE2912346C2 (de) * 1979-03-29 1982-08-19 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Kompander zur Umschaltung auf unterschiedliche Kompanderkennlinien
FR2469051A1 (fr) * 1979-11-05 1981-05-08 Thomson Csf Dispositif de compression de signaux vocaux pour transmission radioelectrique et emetteur comportant un tel dispositif
DE3050574A1 (en) * 1980-10-03 1982-11-18 G Bloy System for maximum efficient transfer of modulated audio frequency energy
US4377792A (en) * 1981-03-26 1983-03-22 Dbx, Inc. Compander system
US4536888A (en) * 1981-08-21 1985-08-20 Plantronics, Inc. Voice communication instrument system with line-powered receiver conditioning circuit
JPS59140727A (ja) * 1983-01-31 1984-08-13 Fujitsu Ltd 周波数変換方式
US4688268A (en) * 1984-01-11 1987-08-18 Chevron Research Company Fiber optic receiver having a combined baseline clamp and automatic gain control detector
US4679252A (en) * 1984-01-11 1987-07-07 Chevron Research Company Fiber optic receiver having a method and an apparatus for data clock extraction
US4879746A (en) * 1987-12-30 1989-11-07 Plantronics, Inc. Voice communication link interface apparatus
US4816772A (en) * 1988-03-09 1989-03-28 Rockwell International Corporation Wide range linear automatic gain control amplifier
US5283536A (en) * 1990-11-30 1994-02-01 Qualcomm Incorporated High dynamic range closed loop automatic gain control circuit
US5974041A (en) * 1995-12-27 1999-10-26 Qualcomm Incorporated Efficient parallel-stage power amplifier
US5872481A (en) * 1995-12-27 1999-02-16 Qualcomm Incorporated Efficient parallel-stage power amplifier
US6069525A (en) * 1997-04-17 2000-05-30 Qualcomm Incorporated Dual-mode amplifier with high efficiency and high linearity
US6069526A (en) * 1998-08-04 2000-05-30 Qualcomm Incorporated Partial or complete amplifier bypass
ITMI20010284A1 (it) * 2001-02-13 2002-08-13 St Microelectronics Srl Amplificatore a guadagno variabile
US8964997B2 (en) * 2005-05-18 2015-02-24 Bose Corporation Adapted audio masking
US20060262938A1 (en) * 2005-05-18 2006-11-23 Gauger Daniel M Jr Adapted audio response
US8972359B2 (en) * 2005-12-19 2015-03-03 Rockstar Consortium Us Lp Compact floating point delta encoding for complex data
JP2007281876A (ja) * 2006-04-06 2007-10-25 Nec Electronics Corp 比較回路及びその増幅回路
US8218783B2 (en) * 2008-12-23 2012-07-10 Bose Corporation Masking based gain control
US8229125B2 (en) * 2009-02-06 2012-07-24 Bose Corporation Adjusting dynamic range of an audio system
US8536950B2 (en) * 2009-08-03 2013-09-17 Qualcomm Incorporated Multi-stage impedance matching
US8102205B2 (en) 2009-08-04 2012-01-24 Qualcomm, Incorporated Amplifier module with multiple operating modes

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3668542A (en) * 1970-02-03 1972-06-06 Collins Radio Co Audio compression circuit
US3829883A (en) * 1972-08-31 1974-08-13 R Bate Magnetic field detector employing plural drain igfet
JPS563675B2 (nl) * 1973-08-11 1981-01-26
DE2406258C2 (de) * 1974-02-09 1976-01-08 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltung zur automatischen Dynamik-Kompression oder -Expansion
NO142768C (no) * 1974-01-26 1980-10-08 Licentia Gmbh Kopling for automatisk dynamikk-kompresjon eller -ekspansjon

Also Published As

Publication number Publication date
AU506502B2 (en) 1980-01-10
FR2316691B1 (nl) 1980-08-14
NL190135B (nl) 1993-06-01
NL190135C (nl) 1993-11-01
DE2629957A1 (de) 1977-01-27
CA1056311A (en) 1979-06-12
GB1546672A (en) 1979-05-31
DE2629957C2 (nl) 1988-06-16
FR2316691A1 (fr) 1977-01-28
AU1524776A (en) 1978-01-05
US4054849A (en) 1977-10-18

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee

Effective date: 19960201