SE369135B - - Google Patents

Info

Publication number
SE369135B
SE369135B SE11648/71A SE1164371A SE369135B SE 369135 B SE369135 B SE 369135B SE 11648/71 A SE11648/71 A SE 11648/71A SE 1164371 A SE1164371 A SE 1164371A SE 369135 B SE369135 B SE 369135B
Authority
SE
Sweden
Application number
SE11648/71A
Inventor
G Candiani
Original Assignee
It Telecommunicazioni Siemens
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 It Telecommunicazioni Siemens filed Critical It Telecommunicazioni Siemens
Publication of SE369135B publication Critical patent/SE369135B/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/50—Conversion to or from non-linear codes, e.g. companding

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
SE11648/71A 1970-09-15 1971-09-14 SE369135B (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2974070 1970-09-15

Publications (1)

Publication Number Publication Date
SE369135B true SE369135B (xx) 1974-08-05

Family

ID=11228353

Family Applications (1)

Application Number Title Priority Date Filing Date
SE11648/71A SE369135B (xx) 1970-09-15 1971-09-14

Country Status (4)

Country Link
US (1) US3789392A (xx)
DE (1) DE2131635A1 (xx)
FR (1) FR2106523A1 (xx)
SE (1) SE369135B (xx)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3875344A (en) * 1973-03-15 1975-04-01 Westinghouse Electric Corp Digital data compression method and system
JPS5422244B2 (xx) * 1973-04-09 1979-08-06
DE2333298C3 (de) * 1973-06-29 1978-05-03 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zur Umsetzung von Analog-Signalen in PCM-Signale und von PCM-Signalen in Analog-Signale
US3945002A (en) * 1974-10-25 1976-03-16 Bell Telephone Laboratories, Incorporated Block digital processor for use with nonuniformly encoded digital words
US4040049A (en) * 1975-10-09 1977-08-02 Bell Telephone Laboratories, Incorporated Tandem block digital processor for use with nonuniformly encoded digital data
US4076966A (en) * 1976-08-02 1978-02-28 Societa Italiana Telecomunicazioni Siemens S.P.A. Method of and system for handling conference calls in digital telephone exchange
JPS542050A (en) * 1977-06-07 1979-01-09 Nec Corp Block coding and decoding system
NL7801866A (nl) * 1978-02-20 1979-08-22 Philips Nv Digitale filterinrichting voor niet-uniform gekwantiseerde pcm.
US4163287A (en) * 1978-04-20 1979-07-31 Northern Telecom Limited Binary multiplier circuit including coding circuit
JPS5723344A (en) * 1980-07-16 1982-02-06 Pioneer Electronic Corp Audio signal compressing and encoding methods
DE3104528C2 (de) * 1981-02-09 1984-10-11 Siemens AG, 1000 Berlin und 8000 München Verfahren zur Umwandlung linear codierter PCM-Worte in nichtlinear codierte PCM-Worte und umgekehrt
DE3104513C2 (de) * 1981-02-09 1983-03-31 Siemens AG, 1000 Berlin und 8000 München Verfahren zur Umwandlung linear codierter PCM-Worte in nichtlinear codierte PCM-Worte und umgekehrt nichtlinear codierter PCM-Worte in linear codierte PCM-Worte gemäß einer dem A-Gesetz gehorchenden 13-Segment-Kennlinie
US4544916A (en) * 1982-08-31 1985-10-01 At&T Bell Laboratories Digital code translator
IT1179855B (it) * 1984-12-10 1987-09-16 Cselt Centro Studi Lab Telecom Circuito integrato in logica sequenziale per la compressione del segnale pcm
DE3509269A1 (de) * 1985-03-15 1986-09-18 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Verfahren zum speichern und/oder uebertragen von analogsignalen in komprimierter digitaler form
JP3130834B2 (ja) * 1997-06-26 2001-01-31 埼玉日本電気株式会社 移動電話機

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3238298A (en) * 1962-05-07 1966-03-01 Avco Corp Multiplex communication system with multiline digital buffer
US3375498A (en) * 1964-05-18 1968-03-26 Wyle Laboratories Calculator apparatus for distinguishing meaningful digits
JPS4917050B1 (xx) * 1965-12-16 1974-04-26
US3502806A (en) * 1966-08-01 1970-03-24 Xerox Corp Modified run length data reduction system
US3584145A (en) * 1968-12-23 1971-06-08 Bell Telephone Labor Inc Time division multiplexing of video redundancy reduction data compressors

Also Published As

Publication number Publication date
FR2106523A1 (xx) 1972-05-05
US3789392A (en) 1974-01-29
DE2131635A1 (de) 1972-03-16

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