ZA728265B - Improvements in or relating to battery charges - Google Patents

Improvements in or relating to battery charges

Info

Publication number
ZA728265B
ZA728265B ZA728265A ZA728265A ZA728265B ZA 728265 B ZA728265 B ZA 728265B ZA 728265 A ZA728265 A ZA 728265A ZA 728265 A ZA728265 A ZA 728265A ZA 728265 B ZA728265 B ZA 728265B
Authority
ZA
South Africa
Prior art keywords
relating
battery charges
charges
battery
Prior art date
Application number
ZA728265A
Other languages
English (en)
Inventor
R Hochreutiner
R Andrews
Original Assignee
Standard Telephones Cables 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 Standard Telephones Cables Ltd filed Critical Standard Telephones Cables Ltd
Publication of ZA728265B publication Critical patent/ZA728265B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Mobile Radio Communication Systems (AREA)
ZA728265A 1972-01-12 1972-11-22 Improvements in or relating to battery charges ZA728265B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB144372 1972-01-12

Publications (1)

Publication Number Publication Date
ZA728265B true ZA728265B (en) 1973-07-25

Family

ID=9722099

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA728265A ZA728265B (en) 1972-01-12 1972-11-22 Improvements in or relating to battery charges

Country Status (4)

Country Link
DE (1) DE2300929A1 (enExample)
FR (1) FR2167933B3 (enExample)
GB (1) GB1350015A (enExample)
ZA (1) ZA728265B (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4064366A (en) * 1976-01-15 1977-12-20 Winster Engineering Group Limited Intrinsically safe telephone systems
DE3344008C1 (de) * 1983-12-06 1985-06-20 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Schaltungsanordnung zur Speisung von Einrichtungen eines Endgeräts einer Fernmeldevermittlungsanlage
DE3531556A1 (de) * 1985-09-04 1987-03-05 Telefonbau & Normalzeit Gmbh Schaltungsanordnung fuer einen fernsprechapparat mit einer digitaluhr
DE3543797A1 (de) * 1985-09-13 1987-03-26 Telefonbau & Normalzeit Gmbh Schaltungsanordnung zur leitungsspeisung von zusatzeinrichtungen eines fernsprechapparates
DE3711897A1 (de) * 1987-04-08 1988-10-20 Telefonbau & Normalzeit Gmbh Schaltungsanordnung fuer eine fernsprechteilnehmerstation mit einer lauthoer- bzw. freisprecheinrichtung
DE19740334C2 (de) * 1997-09-13 1999-09-30 Deutsche Telekom Ag Schaltungsanordnung zur Leitungsspeisung von Telekommunikationsendgeräten

Also Published As

Publication number Publication date
GB1350015A (en) 1974-04-18
DE2300929A1 (de) 1973-07-19
FR2167933B3 (enExample) 1976-01-09
FR2167933A1 (enExample) 1973-08-24

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