FR825508A - Four-wire transmission system for carrier-wave telephony - Google Patents

Four-wire transmission system for carrier-wave telephony

Info

Publication number
FR825508A
FR825508A FR825508DA FR825508A FR 825508 A FR825508 A FR 825508A FR 825508D A FR825508D A FR 825508DA FR 825508 A FR825508 A FR 825508A
Authority
FR
France
Prior art keywords
carrier
transmission system
wire transmission
wave telephony
telephony
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR825508A publication Critical patent/FR825508A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/16—Monitoring arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/08—Arrangements for combining channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/10—Intermediate station arrangements, e.g. for branching, for tapping-off

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
FR825508D 1936-08-14 1937-08-12 Four-wire transmission system for carrier-wave telephony Expired FR825508A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE2181457X 1936-08-14
DE476925X 1936-08-14
DE825508X 1936-08-14

Publications (1)

Publication Number Publication Date
FR825508A true FR825508A (en) 1938-03-04

Family

ID=34841325

Family Applications (1)

Application Number Title Priority Date Filing Date
FR825508D Expired FR825508A (en) 1936-08-14 1937-08-12 Four-wire transmission system for carrier-wave telephony

Country Status (2)

Country Link
FR (1) FR825508A (en)
GB (1) GB476925A (en)

Also Published As

Publication number Publication date
GB476925A (en) 1937-12-17

Similar Documents

Publication Publication Date Title
FR820782A (en) Shortwave communication system
FR839636A (en) Transmission system
FR810818A (en) Powerline transmission system
FR825508A (en) Four-wire transmission system for carrier-wave telephony
FR762489A (en) Transmission system
FR805182A (en) Exploration system for television
FR822064A (en) Index guide system for dials of radios and the like
FR822799A (en) Carrier wave transmission systems
FR842226A (en) Multiplex carrier wave transmission system
FR789421A (en) Pipe disgorgement buffer system
FR848013A (en) Carrier wave transmission system
FR810607A (en) Transmission system for multiplex telephony or other similar applications
FR833013A (en) Signaling system for multiplex telephony or similar transmission
FR737884A (en) Slide system for drawer
FR772256A (en) Transmission system for multiple carrier AC transmissions
FR823502A (en) Transmission system including echo suppressors
FR823662A (en) Removable leaflet binding system
FR822481A (en) Telephone signaling system
FR790115A (en) Powerline transmission system
FR837919A (en) Transmission system
FR828306A (en) Electrical transmission system for boats
FR806966A (en) Lubrication system
FR762226A (en) Transmission system for facsimile
FR807423A (en) One-touch fitting system
FR733788A (en) Hinge system