SE345940B - - Google Patents

Info

Publication number
SE345940B
SE345940B SE16283/68A SE1628368A SE345940B SE 345940 B SE345940 B SE 345940B SE 16283/68 A SE16283/68 A SE 16283/68A SE 1628368 A SE1628368 A SE 1628368A SE 345940 B SE345940 B SE 345940B
Authority
SE
Sweden
Application number
SE16283/68A
Inventor
W Schmidt
T Sekimoto
Original Assignee
Televerkets Centralfoervalt
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 Televerkets Centralfoervalt filed Critical Televerkets Centralfoervalt
Publication of SE345940B publication Critical patent/SE345940B/xx

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/1235—Non-linear conversion not otherwise provided for in subgroups of H03M1/12
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H03M1/664—Non-linear conversion not otherwise provided for in subgroups of H03M1/66

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Analogue/Digital Conversion (AREA)
SE16283/68A 1968-01-08 1968-11-29 SE345940B (xx)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US69618568A 1968-01-08 1968-01-08
FR180515 1968-12-24

Publications (1)

Publication Number Publication Date
SE345940B true SE345940B (xx) 1972-06-12

Family

ID=33161070

Family Applications (1)

Application Number Title Priority Date Filing Date
SE16283/68A SE345940B (xx) 1968-01-08 1968-11-29

Country Status (6)

Country Link
US (1) US3500247A (xx)
DE (1) DE1900368C3 (xx)
FR (1) FR1604306A (xx)
GB (1) GB1207651A (xx)
NL (1) NL162272C (xx)
SE (1) SE345940B (xx)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS509444B1 (xx) * 1968-03-09 1975-04-12
US3659288A (en) * 1969-06-23 1972-04-25 Vermont Technical Groups Inc Analog convertor and computer circuit producing optimized pulse output
US3855589A (en) * 1969-11-25 1974-12-17 Sylvania Electric Prod Analog to digital converter with variable quantization and dynamic range
US3696399A (en) * 1970-09-11 1972-10-03 Coulter Electronics Range expansion method and apparatus for multichannel pulse analysis
US3872465A (en) * 1971-02-09 1975-03-18 Texaco Inc Seismic playback/monitor system
US3688221A (en) * 1971-03-02 1972-08-29 Krone Gmbh Two-stage pcm coder with compression characteristic
US3798637A (en) * 1971-06-14 1974-03-19 Krone Gmbh Pcm coder with compression characteristic
AT327589B (de) * 1971-08-03 1976-02-10 Norma Messtechnik Gmbh Schaltungsanordnung zur umsetzung von analogen elektrischen signalen oder kennwerten davon in binare impulsfolgen
GB1360943A (en) * 1972-02-24 1974-07-24 Marconi Co Ltd Digital-to-analogue converters
US3815124A (en) * 1973-01-16 1974-06-04 Westinghouse Electric Corp Analog to digital converter
JPS5422244B2 (xx) * 1973-04-09 1979-08-06
JPS5710612B2 (xx) * 1973-06-21 1982-02-27
US3905028A (en) * 1973-08-02 1975-09-09 North Electric Co Direct digital logarithmic encoder
JPS50143458A (xx) * 1974-04-16 1975-11-18
GB1512086A (en) * 1975-07-03 1978-05-24 Standard Telephones Cables Ltd Pcm transmission system
FR2441956A1 (fr) * 1978-11-17 1980-06-13 Inst Francais Du Petrole Methode d'amplification de signaux multiplexes et dispositif de mise en oeuvre
US4295223A (en) * 1979-04-25 1981-10-13 Westinghouse Electric Corp. Digital signal/noise ratio amplifier apparatus for a communication system
US4386237A (en) * 1980-12-22 1983-05-31 Intelsat NIC Processor using variable precision block quantization
DE3248114C2 (de) * 1982-12-24 1987-04-30 Krautkrämer GmbH, 5040 Brühl Verfahren und Vorrichtung zur Digitalisierung und Speicherung von Ultraschallinformationen
FR2545301B1 (fr) * 1983-04-29 1986-07-25 Telephonie Ind Commerciale Procede de compression-decompression d'un signal de type vocal
JPS6044837A (ja) * 1983-08-23 1985-03-11 Victor Co Of Japan Ltd 波形再生装置
EP0195573B1 (en) * 1985-03-15 1990-10-24 THORN EMI Patents Limited Spread-spectrum signal generator
GB2232024B (en) * 1989-05-22 1994-01-12 Seikosha Kk Method and apparatus for recording and/or producing sound
WO1992010034A1 (de) * 1990-11-21 1992-06-11 SIEMENS AKTIENGESELLSCHAFT öSTERREICH Verfahren und schaltungsanordnung zur analog-digital-wandlung sowie verfahren und schaltungsanordnung zur digital-analog-wandlung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1261253A (fr) * 1960-03-28 1961-05-19 Système de transmission à modulation d'impulsions codées
US3408595A (en) * 1965-05-03 1968-10-29 Gen Telephone And Electrics La Pulse code modulation system

Also Published As

Publication number Publication date
FR1604306A (xx) 1971-10-11
DE1900368C3 (de) 1981-07-30
DE1900368A1 (de) 1969-09-04
NL162272C (nl) 1980-04-15
NL162272B (nl) 1979-11-15
GB1207651A (en) 1970-10-07
US3500247A (en) 1970-03-10
DE1900368B2 (de) 1980-11-13
NL6900297A (xx) 1969-07-10

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