FR664993A - Redresseur à valve donnant plusieurs voltages - Google Patents

Redresseur à valve donnant plusieurs voltages

Info

Publication number
FR664993A
FR664993A FR664993DA FR664993A FR 664993 A FR664993 A FR 664993A FR 664993D A FR664993D A FR 664993DA FR 664993 A FR664993 A FR 664993A
Authority
FR
France
Prior art keywords
several voltages
giving several
valve rectifier
rectifier giving
valve
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)
Inventor
Francois-Claude Meunier
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.)
IND DE E C GRAM Ets
Original Assignee
IND DE E C GRAM Ets
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 IND DE E C GRAM Ets filed Critical IND DE E C GRAM Ets
Application granted granted Critical
Publication of FR664993A publication Critical patent/FR664993A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/08—Arrangements for interconnection between switching centres for phantom working
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/20—Tubes with more than one discharge path; Multiple tubes, e.g. double diode, triode-hexode
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/08—Modifications for reducing interference; Modifications for reducing effects due to line faults ; Receiver end arrangements for detecting or overcoming line faults
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/003—Tubes with plural electrode systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Locating Faults (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
FR664993D 1928-03-08 1928-03-14 Redresseur à valve donnant plusieurs voltages Expired FR664993A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR664933T 1928-03-08

Publications (1)

Publication Number Publication Date
FR664993A true FR664993A (fr) 1929-09-12

Family

ID=9012972

Family Applications (2)

Application Number Title Priority Date Filing Date
FR664933D Expired FR664933A (fr) 1928-03-08 1928-03-08 Perfectionnement aux dispositifs d'entretien des lignes télégraphiques, téléphoniques ou de signalisation
FR664993D Expired FR664993A (fr) 1928-03-08 1928-03-14 Redresseur à valve donnant plusieurs voltages

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR664933D Expired FR664933A (fr) 1928-03-08 1928-03-08 Perfectionnement aux dispositifs d'entretien des lignes télégraphiques, téléphoniques ou de signalisation

Country Status (4)

Country Link
US (1) US1801182A (fr)
DE (1) DE522897C (fr)
FR (2) FR664933A (fr)
GB (1) GB307458A (fr)

Also Published As

Publication number Publication date
FR664933A (fr) 1929-09-12
US1801182A (en) 1931-04-14
DE522897C (de) 1931-04-16
GB307458A (en) 1930-06-27

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