FR951280A - Système de transmission de parole - Google Patents

Système de transmission de parole

Info

Publication number
FR951280A
FR951280A FR951280DA FR951280A FR 951280 A FR951280 A FR 951280A FR 951280D A FR951280D A FR 951280DA FR 951280 A FR951280 A FR 951280A
Authority
FR
France
Prior art keywords
transmission system
speech transmission
speech
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
English (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.)
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 FR951280A publication Critical patent/FR951280A/fr
Expired legal-status Critical Current

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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/14—Arrangements providing for calling or supervisory signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR951280D 1941-02-25 1947-08-05 Système de transmission de parole Expired FR951280A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US951280XA 1941-02-25 1941-02-25

Publications (1)

Publication Number Publication Date
FR951280A true FR951280A (fr) 1949-10-20

Family

ID=22249910

Family Applications (1)

Application Number Title Priority Date Filing Date
FR951280D Expired FR951280A (fr) 1941-02-25 1947-08-05 Système de transmission de parole

Country Status (2)

Country Link
BE (1) BE476010A (fr)
FR (1) FR951280A (fr)

Also Published As

Publication number Publication date
BE476010A (fr)

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