FR552912A - Improvement of loaded lines used for the transmission of telephone currents - Google Patents

Improvement of loaded lines used for the transmission of telephone currents

Info

Publication number
FR552912A
FR552912A FR552912DA FR552912A FR 552912 A FR552912 A FR 552912A FR 552912D A FR552912D A FR 552912DA FR 552912 A FR552912 A FR 552912A
Authority
FR
France
Prior art keywords
improvement
transmission
lines used
loaded lines
telephone currents
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR552912A publication Critical patent/FR552912A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/26—Improving frequency characteristic by the use of loading coils

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
FR552912D 1921-06-04 1922-02-16 Improvement of loaded lines used for the transmission of telephone currents Expired FR552912A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US474878A US1564201A (en) 1921-06-04 1921-06-04 Loading system

Publications (1)

Publication Number Publication Date
FR552912A true FR552912A (en) 1923-05-09

Family

ID=23885307

Family Applications (1)

Application Number Title Priority Date Filing Date
FR552912D Expired FR552912A (en) 1921-06-04 1922-02-16 Improvement of loaded lines used for the transmission of telephone currents

Country Status (3)

Country Link
US (1) US1564201A (en)
FR (1) FR552912A (en)
GB (1) GB181328A (en)

Also Published As

Publication number Publication date
US1564201A (en) 1925-12-08
GB181328A (en) 1923-04-26

Similar Documents

Publication Publication Date Title
FR538496A (en) Conrod improvements
FR552912A (en) Improvement of loaded lines used for the transmission of telephone currents
FR538717A (en) Bow instruments
FR538074A (en) Chuck refinements
FR537242A (en) Garment presses improvements
FR553457A (en) Phone
FR26494E (en) Telephone equipment
FR544190A (en) Cable clamp
FR537954A (en) Improvements at levels
FR530379A (en) Cable telegraph transmitter
FR542165A (en) Claw lug for insulated cables
FR542689A (en) Garment Staples Enhancements
FR543042A (en) Clamp
FR535836A (en) Bluteries improvements
FR544972A (en) Collar improvements
FR540361A (en) Calipers improvements
FR560153A (en) Shirt enhancements
FR545093A (en) Lock enhancements
FR538737A (en) Lock enhancements
FR542834A (en) Lock enhancements
FR542184A (en) Adding machine
FR533768A (en) Adding machine
FR539193A (en) Side-blown converter
FR548848A (en) Mixed service connector
FR535818A (en) Oil cup refinements