AU2001230527A1 - Digital communication system - Google Patents

Digital communication system

Info

Publication number
AU2001230527A1
AU2001230527A1 AU2001230527A AU3052701A AU2001230527A1 AU 2001230527 A1 AU2001230527 A1 AU 2001230527A1 AU 2001230527 A AU2001230527 A AU 2001230527A AU 3052701 A AU3052701 A AU 3052701A AU 2001230527 A1 AU2001230527 A1 AU 2001230527A1
Authority
AU
Australia
Prior art keywords
communication system
digital communication
digital
communication
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.)
Abandoned
Application number
AU2001230527A
Inventor
Kazuaki Maeda
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.)
Toa Corp
Original Assignee
Toa 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 Toa Corp filed Critical Toa Corp
Publication of AU2001230527A1 publication Critical patent/AU2001230527A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/001—Digital control of analog signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Analogue/Digital Conversion (AREA)
  • Transceivers (AREA)
AU2001230527A 2000-01-31 2001-01-30 Digital communication system Abandoned AU2001230527A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000-21986 2000-01-31
JP2000021986A JP4002709B2 (en) 2000-01-31 2000-01-31 Digital communication system
PCT/JP2001/000604 WO2001058021A1 (en) 2000-01-31 2001-01-30 Digital communication system

Publications (1)

Publication Number Publication Date
AU2001230527A1 true AU2001230527A1 (en) 2001-08-14

Family

ID=18548334

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001230527A Abandoned AU2001230527A1 (en) 2000-01-31 2001-01-30 Digital communication system

Country Status (5)

Country Link
US (1) US7035395B2 (en)
EP (1) EP1263143B1 (en)
JP (1) JP4002709B2 (en)
AU (1) AU2001230527A1 (en)
WO (1) WO2001058021A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5321317B2 (en) * 2009-07-24 2013-10-23 ヤマハ株式会社 Acoustic system
JP5867187B2 (en) 2012-03-09 2016-02-24 ヤマハ株式会社 Acoustic signal processing system
CN110033853B (en) * 2019-05-28 2023-11-03 中国人民解放军陆军工程大学 Monitoring equipment

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4123711A (en) 1977-01-24 1978-10-31 Canadian Patents And Development Limited Synchronized compressor and expander voice processing system for radio telephone
JPS5679509A (en) 1979-12-04 1981-06-30 Ricoh Co Ltd Automatic gain control circuit
JPH02171051A (en) 1988-12-24 1990-07-02 Mitsubishi Electric Corp Digital privacy call communication system
JPH0372721A (en) 1989-05-22 1991-03-27 Seikosha Co Ltd Method and device for recording and reproducing
JPH04111536A (en) 1990-08-31 1992-04-13 Canon Inc A/d converter
JPH04144314A (en) 1990-10-04 1992-05-18 Fujitsu Ltd Floating point type d/a converter
JPH0514198A (en) 1991-07-04 1993-01-22 Fujitsu Ltd Floating decimal point type a/d converter
JPH0795086A (en) 1993-09-20 1995-04-07 Fujitsu Ltd D/a converter
JPH10336037A (en) 1997-05-29 1998-12-18 Matsushita Electric Ind Co Ltd Audio signal encoder
JPH11340831A (en) 1998-05-29 1999-12-10 Toa Corp High precision a/d converter

Also Published As

Publication number Publication date
EP1263143A1 (en) 2002-12-04
WO2001058021A1 (en) 2001-08-09
EP1263143B1 (en) 2011-12-07
US20030123480A1 (en) 2003-07-03
JP4002709B2 (en) 2007-11-07
JP2001217742A (en) 2001-08-10
US7035395B2 (en) 2006-04-25
EP1263143A4 (en) 2007-04-04

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