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DE69214083D1 - CMOS-Kompander - Google Patents

CMOS-Kompander

Info

Publication number
DE69214083D1
DE69214083D1 DE69214083T DE69214083T DE69214083D1 DE 69214083 D1 DE69214083 D1 DE 69214083D1 DE 69214083 T DE69214083 T DE 69214083T DE 69214083 T DE69214083 T DE 69214083T DE 69214083 D1 DE69214083 D1 DE 69214083D1
Authority
DE
Germany
Prior art keywords
compander
cmos
cmos compander
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 - Fee Related
Application number
DE69214083T
Other languages
English (en)
Other versions
DE69214083T2 (de
Inventor
Jouni Poeloenen
Mika Groenroos
Kim Kaltiokallio
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.)
Nokia Oyj
Original Assignee
Nokia Mobile Phones Ltd
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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Publication of DE69214083D1 publication Critical patent/DE69214083D1/de
Application granted granted Critical
Publication of DE69214083T2 publication Critical patent/DE69214083T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H03G7/005—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers using discontinuously variable devices, e.g. switch-operated

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Amplifiers (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Control Of Amplification And Gain Control (AREA)
DE69214083T 1991-10-16 1992-10-12 CMOS-Kompander Expired - Fee Related DE69214083T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI914884A FI90166C (fi) 1991-10-16 1991-10-16 Cmos-kompander

Publications (2)

Publication Number Publication Date
DE69214083D1 true DE69214083D1 (de) 1996-10-31
DE69214083T2 DE69214083T2 (de) 1997-02-27

Family

ID=8533306

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69214083T Expired - Fee Related DE69214083T2 (de) 1991-10-16 1992-10-12 CMOS-Kompander

Country Status (5)

Country Link
US (1) US5293139A (de)
EP (1) EP0537959B1 (de)
JP (1) JP3313783B2 (de)
DE (1) DE69214083T2 (de)
FI (1) FI90166C (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3229051B2 (ja) * 1993-01-29 2001-11-12 株式会社東芝 アナログコンパンダ回路
JP3217557B2 (ja) * 1993-10-01 2001-10-09 株式会社東芝 電圧利得制御回路
GB2330961B (en) 1997-11-04 2002-04-24 Nokia Mobile Phones Ltd Automatic Gain Control
FI116505B (fi) 1998-03-23 2005-11-30 Nokia Corp Menetelmä ja järjestelmä suunnatun äänen käsittelemiseksi akustisessa virtuaaliympäristössä
US7616052B1 (en) * 2003-03-04 2009-11-10 National Semicondcutor Corporation Fast adapting filter

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2181184A6 (de) * 1972-04-20 1973-11-30 Erap Elf Entr Rech Activ Petro
NL7901477A (nl) * 1979-02-26 1980-08-28 Philips Nv Geluidsweergave in een ruimte met een onafhankelijke geluidsbron.
ATE120903T1 (de) * 1988-10-13 1995-04-15 Siemens Ag Integrierter kompressionsverstärker mit programmierbarer schwellspannung.

Also Published As

Publication number Publication date
EP0537959A2 (de) 1993-04-21
US5293139A (en) 1994-03-08
JPH05259785A (ja) 1993-10-08
FI90166B (fi) 1993-09-15
EP0537959A3 (en) 1993-06-23
FI914884L (fi) 1993-04-17
EP0537959B1 (de) 1996-09-25
DE69214083T2 (de) 1997-02-27
JP3313783B2 (ja) 2002-08-12
FI914884A0 (fi) 1991-10-16
FI90166C (fi) 1993-12-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: BECKER, KURIG, STRAUS, 80336 MUENCHEN

8339 Ceased/non-payment of the annual fee