GB2239747B - A data protection device - Google Patents

A data protection device

Info

Publication number
GB2239747B
GB2239747B GB9000013A GB9000013A GB2239747B GB 2239747 B GB2239747 B GB 2239747B GB 9000013 A GB9000013 A GB 9000013A GB 9000013 A GB9000013 A GB 9000013A GB 2239747 B GB2239747 B GB 2239747B
Authority
GB
United Kingdom
Prior art keywords
protection device
data protection
data
protection
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 - Fee Related
Application number
GB9000013A
Other versions
GB9000013D0 (en
GB2239747A (en
Inventor
Philip Ormrod
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.)
GOTEC RESEARCH AND DEV Ltd
Original Assignee
GOTEC RESEARCH AND DEV 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 GOTEC RESEARCH AND DEV Ltd filed Critical GOTEC RESEARCH AND DEV Ltd
Priority to GB9000013A priority Critical patent/GB2239747B/en
Publication of GB9000013D0 publication Critical patent/GB9000013D0/en
Publication of GB2239747A publication Critical patent/GB2239747A/en
Application granted granted Critical
Publication of GB2239747B publication Critical patent/GB2239747B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/28—Supervision thereof, e.g. detecting power-supply failure by out of limits supervision

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Power Sources (AREA)
GB9000013A 1990-01-02 1990-01-02 A data protection device Expired - Fee Related GB2239747B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9000013A GB2239747B (en) 1990-01-02 1990-01-02 A data protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9000013A GB2239747B (en) 1990-01-02 1990-01-02 A data protection device

Publications (3)

Publication Number Publication Date
GB9000013D0 GB9000013D0 (en) 1990-03-07
GB2239747A GB2239747A (en) 1991-07-10
GB2239747B true GB2239747B (en) 1993-08-04

Family

ID=10668743

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9000013A Expired - Fee Related GB2239747B (en) 1990-01-02 1990-01-02 A data protection device

Country Status (1)

Country Link
GB (1) GB2239747B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2254500B (en) * 1991-03-30 1995-04-26 Nec Corp Method and arrangement for advising when radio pager battery requires replacement
CN102590588A (en) * 2012-02-23 2012-07-18 海军工程大学 Instantaneous power-down monitoring device and power-down processing method for DC power supply
CN106877297A (en) * 2017-03-22 2017-06-20 长沙久信电力设备有限公司 Intelligent protection controller

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3757302A (en) * 1971-11-16 1973-09-04 Addressograph Multigraph Responsive power fail detection system
US4742424A (en) * 1987-04-28 1988-05-03 General Electric Company Power status monitor for electronic system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3757302A (en) * 1971-11-16 1973-09-04 Addressograph Multigraph Responsive power fail detection system
US4742424A (en) * 1987-04-28 1988-05-03 General Electric Company Power status monitor for electronic system

Also Published As

Publication number Publication date
GB9000013D0 (en) 1990-03-07
GB2239747A (en) 1991-07-10

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970102