FR512434A - Improvements to telephone cables - Google Patents

Improvements to telephone cables

Info

Publication number
FR512434A
FR512434A FR512434A FR512434DA FR512434A FR 512434 A FR512434 A FR 512434A FR 512434 A FR512434 A FR 512434A FR 512434D A FR512434D A FR 512434DA FR 512434 A FR512434 A FR 512434A
Authority
FR
France
Prior art keywords
telephone cables
cables
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
FR512434A
Other languages
French (fr)
Inventor
George Charles Pearson
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.)
Johnson and Phillips Ltd
Original Assignee
Johnson and Phillips Ltd
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 Johnson and Phillips Ltd filed Critical Johnson and Phillips Ltd
Application granted granted Critical
Publication of FR512434A publication Critical patent/FR512434A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/02—Cables with twisted pairs or quads
    • H01B11/04—Cables with twisted pairs or quads with pairs or quads mutually positioned to reduce cross-talk
FR512434A 1919-04-09 1920-03-26 Improvements to telephone cables Expired FR512434A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB512434X 1919-04-09

Publications (1)

Publication Number Publication Date
FR512434A true FR512434A (en) 1921-01-22

Family

ID=10459222

Family Applications (1)

Application Number Title Priority Date Filing Date
FR512434A Expired FR512434A (en) 1919-04-09 1920-03-26 Improvements to telephone cables

Country Status (1)

Country Link
FR (1) FR512434A (en)

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