FR2246120B1 - - Google Patents

Info

Publication number
FR2246120B1
FR2246120B1 FR7334750A FR7334750A FR2246120B1 FR 2246120 B1 FR2246120 B1 FR 2246120B1 FR 7334750 A FR7334750 A FR 7334750A FR 7334750 A FR7334750 A FR 7334750A FR 2246120 B1 FR2246120 B1 FR 2246120B1
Authority
FR
France
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
Application number
FR7334750A
Other languages
French (fr)
Other versions
FR2246120A1 (en
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.)
Laboratoire Central de Telecommunications SA
Original Assignee
Laboratoire Central de Telecommunications SA
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 Laboratoire Central de Telecommunications SA filed Critical Laboratoire Central de Telecommunications SA
Priority to FR7334750A priority Critical patent/FR2246120A1/fr
Priority to BE2053881A priority patent/BE820247R/xx
Priority to ES430490A priority patent/ES430490A1/es
Publication of FR2246120A1 publication Critical patent/FR2246120A1/fr
Application granted granted Critical
Publication of FR2246120B1 publication Critical patent/FR2246120B1/fr
Granted legal-status Critical Current

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
    • H03M7/3002—Conversion to or from differential modulation
    • H03M7/3048—Conversion to or from one-bit differential modulation only, e.g. delta modulation [DM]

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
FR7334750A 1973-09-28 1973-09-28 Code translation for time division multiplex systems - converting PCM to delta modulation and vice versa Granted FR2246120A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7334750A FR2246120A1 (en) 1973-09-28 1973-09-28 Code translation for time division multiplex systems - converting PCM to delta modulation and vice versa
BE2053881A BE820247R (fr) 1973-09-28 1974-09-24 Traducteur permettant l'echange d'informations entre un reseau telephonique en modulation codee d'impulsions et un reseau en modulation differentielle; (inv. : d.m.a.f. bolus et j. perrault)
ES430490A ES430490A1 (es) 1973-09-28 1974-09-28 Un transcodificador de informacion entre un sistema de mo- dulacion delta y un sistema mic.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7334750A FR2246120A1 (en) 1973-09-28 1973-09-28 Code translation for time division multiplex systems - converting PCM to delta modulation and vice versa

Publications (2)

Publication Number Publication Date
FR2246120A1 FR2246120A1 (en) 1975-04-25
FR2246120B1 true FR2246120B1 (sv) 1976-07-23

Family

ID=9125666

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7334750A Granted FR2246120A1 (en) 1973-09-28 1973-09-28 Code translation for time division multiplex systems - converting PCM to delta modulation and vice versa

Country Status (3)

Country Link
BE (1) BE820247R (sv)
ES (1) ES430490A1 (sv)
FR (1) FR2246120A1 (sv)

Also Published As

Publication number Publication date
ES430490A1 (es) 1976-10-16
FR2246120A1 (en) 1975-04-25
BE820247R (fr) 1975-03-24

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Legal Events

Date Code Title Description
ST Notification of lapse