FR20551E - Improvements to charged telephone line systems for phantom circuits - Google Patents

Improvements to charged telephone line systems for phantom circuits

Info

Publication number
FR20551E
FR20551E FR20551DA FR20551E FR 20551 E FR20551 E FR 20551E FR 20551D A FR20551D A FR 20551DA FR 20551 E FR20551 E FR 20551E
Authority
FR
France
Prior art keywords
telephone line
line systems
phantom circuits
charged
charged telephone
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 FR20551E publication Critical patent/FR20551E/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00Cable fittings
    • H02G15/08Cable junctions
    • H02G15/10Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
    • H02G15/12Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes for incorporating transformers, loading coils or amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR20551D 1915-09-02 1915-11-27 Improvements to charged telephone line systems for phantom circuits Expired FR20551E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR484620T 1915-09-02
FR20551T 1915-11-27

Publications (1)

Publication Number Publication Date
FR20551E true FR20551E (en) 1918-07-02

Family

ID=1361593

Family Applications (1)

Application Number Title Priority Date Filing Date
FR20551D Expired FR20551E (en) 1915-09-02 1915-11-27 Improvements to charged telephone line systems for phantom circuits

Country Status (1)

Country Link
FR (1) FR20551E (en)

Similar Documents

Publication Publication Date Title
FR20526E (en) Improvements to charged telephone line systems for phantom circuits
FR20552E (en) Improvements to charged telephone line systems for phantom circuits
FR20551E (en) Improvements to charged telephone line systems for phantom circuits
FR22825E (en) Improvements to charged telephone line systems for phantom circuits
FR500065A (en) Improvements to automatic telephone systems
FR492272A (en) Improvements to automatic telephone systems
FR506270A (en) Improvements to semi-automatic telephone systems
FR487177A (en) Improvements to semi-automatic telephone systems
FR475417A (en) Improvements to telephone systems
FR487308A (en) Improvements to automatic telephone systems
FR527469A (en) Improvements to radio signaling systems
FR509304A (en) Improvements to radio signaling systems
FR489436A (en) Improvements to automatic telephone systems
FR488500A (en) Improvements to automatic telephone systems
FR490134A (en) Improvements to automatic telephone systems
FR489328A (en) Improvements to automatic telephone systems
FR500934A (en) Improvements to automatic telephone systems
FR516356A (en) Improvements to automatic telephone systems
FR490270A (en) Improvements to automatic telephone systems
FR487064A (en) Improvements to automatic telephone systems
FR506906A (en) Improvements to automatic telephone network systems
FR516354A (en) Improvements to telephone exchange systems
FR470382A (en) Improvements to telephone systems
FR476397A (en) Improvements to telephone systems
FR487962A (en) Improvements to automatic telephone systems