FR1044739A - Improvements to transmission systems - Google Patents

Improvements to transmission systems

Info

Publication number
FR1044739A
FR1044739A FR1044739DA FR1044739A FR 1044739 A FR1044739 A FR 1044739A FR 1044739D A FR1044739D A FR 1044739DA FR 1044739 A FR1044739 A FR 1044739A
Authority
FR
France
Prior art keywords
transmission systems
systems
transmission
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.)
Expired
Application number
Other languages
French (fr)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR1044739A publication Critical patent/FR1044739A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/04—Differential modulation with several bits, e.g. differential pulse code modulation [DPCM]
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
FR1044739D 1950-06-29 1951-05-30 Improvements to transmission systems Expired FR1044739A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US297208XA 1950-06-29 1950-06-29

Publications (1)

Publication Number Publication Date
FR1044739A true FR1044739A (en) 1953-11-20

Family

ID=21850517

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1044739D Expired FR1044739A (en) 1950-06-29 1951-05-30 Improvements to transmission systems

Country Status (4)

Country Link
BE (1) BE504289A (en)
CH (1) CH297208A (en)
FR (1) FR1044739A (en)
GB (1) GB701011A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4106309A1 (en) * 1991-02-28 1992-09-10 Udo Hofmann Replacing or inspecting bonded, prestressed concrete reinforcement - by softening or dissolving bonding resin using heat, solvent or microorganisms so reinforcing bar can be removed

Also Published As

Publication number Publication date
CH297208A (en) 1954-03-15
BE504289A (en)
GB701011A (en) 1953-12-16

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