BE794774A - Dispositif a poste emetteur et a poste recepteur de production - Google Patents

Dispositif a poste emetteur et a poste recepteur de production

Info

Publication number
BE794774A
BE794774A BE794774A BE794774A BE794774A BE 794774 A BE794774 A BE 794774A BE 794774 A BE794774 A BE 794774A BE 794774 A BE794774 A BE 794774A BE 794774 A BE794774 A BE 794774A
Authority
BE
Belgium
Prior art keywords
transmitter
receiver
production
Prior art date
Application number
BE794774A
Other languages
English (en)
Original Assignee
Europ Handelsges Anst
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 Europ Handelsges Anst filed Critical Europ Handelsges Anst
Publication of BE794774A publication Critical patent/BE794774A/fr

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
    • 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
    • H04B1/66—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 reducing bandwidth of signals; for improving efficiency of transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
    • H04B14/046—Systems or methods for reducing noise or bandwidth
    • H04B14/048—Non linear compression or expansion

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Analogue/Digital Conversion (AREA)
  • Transmitters (AREA)
  • Burglar Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
BE794774A 1972-02-01 1973-01-31 Dispositif a poste emetteur et a poste recepteur de production BE794774A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH141572A CH542552A (de) 1972-02-01 1972-02-01 Einrichtung mit einer Sende- und einer Empfangsstation zum Erzeugen, Umformen und Übertragen von Signalen

Publications (1)

Publication Number Publication Date
BE794774A true BE794774A (fr) 1973-05-16

Family

ID=4209908

Family Applications (1)

Application Number Title Priority Date Filing Date
BE794774A BE794774A (fr) 1972-02-01 1973-01-31 Dispositif a poste emetteur et a poste recepteur de production

Country Status (14)

Country Link
US (1) US4151469A (fr)
JP (1) JPS48104409A (fr)
AT (1) AT352780B (fr)
BE (1) BE794774A (fr)
CA (1) CA987787A (fr)
CH (1) CH542552A (fr)
DE (1) DE2302360A1 (fr)
DK (1) DK142599B (fr)
FR (1) FR2170105B1 (fr)
GB (1) GB1386923A (fr)
IT (1) IT973069B (fr)
NL (1) NL7301217A (fr)
NO (1) NO140871C (fr)
SE (1) SE376704B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6019196B2 (ja) * 1979-12-20 1985-05-15 松下電器産業株式会社 マイクロフォン装置
JPS5689195A (en) * 1979-12-20 1981-07-20 Sony Corp Microphone device
JPS58117741A (ja) * 1981-12-30 1983-07-13 Sony Corp 信号処理回路
JPS59149431A (ja) * 1983-02-16 1984-08-27 Nec Corp 圧縮器
JPS60101769A (ja) * 1983-11-09 1985-06-05 Hitachi Ltd 信号伝送装置
GB2160394B (en) * 1984-05-02 1988-03-16 Pioneer Electronic Corp Noise reduction system
US5689692A (en) * 1992-12-23 1997-11-18 Honeywell Inc. Method and apparatus for decoding an encoded NRZ signal
AU2471595A (en) * 1994-05-09 1995-11-29 Link Plus Corporation Companding system (lincompex) using pre- and de-emphasis
US6445233B1 (en) 1999-12-30 2002-09-03 The Engineering Consortium, Inc. Multiple time constant rectifier apparatus and method
US6405164B1 (en) 1999-12-30 2002-06-11 Engineering Consortium, Inc. Audio compression circuit and method
CN100414606C (zh) * 2002-01-25 2008-08-27 Nxp股份有限公司 用于从pcm信号中减去量化噪声的方法和单元
DE102004036154B3 (de) * 2004-07-26 2005-12-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur robusten Klassifizierung von Audiosignalen sowie Verfahren zu Einrichtung und Betrieb einer Audiosignal-Datenbank sowie Computer-Programm

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4071826A (en) * 1961-04-27 1978-01-31 The United States Of America As Represented By The Secretary Of The Navy Clipped speech channel coded communication system
DE1762775C3 (de) * 1967-09-02 1979-10-18 N.V. Philips' Gloeilampenfabrieken, Eindhoven (Niederlande) System zur Übertragung analoger Signale mittels Pulscodemodulation
NL6712082A (fr) * 1967-09-02 1969-03-04

Also Published As

Publication number Publication date
DK142599C (fr) 1981-07-27
DK142599B (da) 1980-11-24
AT352780B (de) 1979-10-10
GB1386923A (en) 1975-03-12
IT973069B (it) 1974-06-10
SE376704B (fr) 1975-06-02
JPS48104409A (fr) 1973-12-27
NO140871C (no) 1979-11-28
NO140871B (no) 1979-08-20
NL7301217A (fr) 1973-08-03
FR2170105B1 (fr) 1980-03-28
CA987787A (en) 1976-04-20
US4151469A (en) 1979-04-24
FR2170105A1 (fr) 1973-09-14
ATA1091072A (de) 1979-03-15
CH542552A (de) 1973-09-30
DE2302360A1 (de) 1973-08-09

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