GB2239747B - A data protection device - Google Patents
A data protection deviceInfo
- 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
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5424721A (en) * | 1991-03-30 | 1995-06-13 | Nec Corporation | 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)
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 |
-
1990
- 1990-01-02 GB GB9000013A patent/GB2239747B/en not_active Expired - Fee Related
Patent Citations (2)
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 |