[go: up one dir, main page]

AU2221070A - Improvements in or relating tono-break power supplies - Google Patents

Improvements in or relating tono-break power supplies

Info

Publication number
AU2221070A
AU2221070A AU22210/70A AU2221070A AU2221070A AU 2221070 A AU2221070 A AU 2221070A AU 22210/70 A AU22210/70 A AU 22210/70A AU 2221070 A AU2221070 A AU 2221070A AU 2221070 A AU2221070 A AU 2221070A
Authority
AU
Australia
Prior art keywords
tono
relating
power supplies
break power
break
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
AU22210/70A
Other versions
AU434366B2 (en
Inventor
BURCHAM RIDLEY WALKER and LESLIE FREDERICK ROBERTS CHRISTOPHER
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.)
Nokia Services Ltd
Original Assignee
Standard Telephone and Cables Pty 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 Telephone and Cables Pty Ltd filed Critical Standard Telephone and Cables Pty Ltd
Priority to AU22210/70A priority Critical patent/AU434366B2/en
Publication of AU2221070A publication Critical patent/AU2221070A/en
Application granted granted Critical
Publication of AU434366B2 publication Critical patent/AU434366B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
AU22210/70A 1970-11-12 1970-11-12 Improvements in or relating tono-break power supplies Expired AU434366B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU22210/70A AU434366B2 (en) 1970-11-12 1970-11-12 Improvements in or relating tono-break power supplies

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU22210/70A AU434366B2 (en) 1970-11-12 1970-11-12 Improvements in or relating tono-break power supplies

Publications (2)

Publication Number Publication Date
AU2221070A true AU2221070A (en) 1972-05-18
AU434366B2 AU434366B2 (en) 1973-03-23

Family

ID=3711400

Family Applications (1)

Application Number Title Priority Date Filing Date
AU22210/70A Expired AU434366B2 (en) 1970-11-12 1970-11-12 Improvements in or relating tono-break power supplies

Country Status (1)

Country Link
AU (1) AU434366B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0219617A1 (en) * 1985-10-03 1987-04-29 Mitsubishi Denki Kabushiki Kaisha Digital equipment

Also Published As

Publication number Publication date
AU434366B2 (en) 1973-03-23

Similar Documents

Publication Publication Date Title
AU3446371A (en) Improvements in or relating to alternators
AU453547B2 (en) Improvements in or relating to fans
AU3535771A (en) Improvements in or relating to wig-making
AU434366B2 (en) Improvements in or relating tono-break power supplies
CA921980A (en) Power supply
AU2990671A (en) Improvements in or relating to sulphonylsemicarbazides
AU2432571A (en) Improvements in or relating to screwpumps
AU455849B2 (en) Improvements in batteries
AU462402B2 (en) Improvements in or relating to tool-retaining means
AU459968B2 (en) Improvements in or relating tod c power supplies
CA846954A (en) Power unit
AU434914B2 (en) Improvements in air-break-switches
AU463131B2 (en) Improvements in hosepipes
AU468826B2 (en) Improvements in hosepipes
AU413377B2 (en) Improvements in structures
CA833179A (en) Altenate dc power supplies
CA853851A (en) Power supply
CA853856A (en) Power supply
CA836697A (en) Power supply
AU444687B2 (en) Improvements in or relating to power supply arrangements
AU2900871A (en) Improvements in hosepipes
AU2448971A (en) Improvements in hosepipes
AU1934170A (en) Improvements in mincers
AU455739B2 (en) Electric power supplies
AU421875B2 (en) Improvements in or relating to carburetters