GB2215851B - Flashlight with battery life indicator module - Google Patents
Flashlight with battery life indicator moduleInfo
- Publication number
- GB2215851B GB2215851B GB8901407A GB8901407A GB2215851B GB 2215851 B GB2215851 B GB 2215851B GB 8901407 A GB8901407 A GB 8901407A GB 8901407 A GB8901407 A GB 8901407A GB 2215851 B GB2215851 B GB 2215851B
- Authority
- GB
- United Kingdom
- Prior art keywords
- flashlight
- battery life
- indicator module
- life indicator
- module
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/04—Voltage dividers
-
- 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
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
- G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
- G01R19/16542—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies for batteries
-
- 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
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/3644—Constructional arrangements
- G01R31/3646—Constructional arrangements for indicating electrical conditions or variables, e.g. visual or audible indicators
-
- 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
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/3644—Constructional arrangements
- G01R31/3648—Constructional arrangements comprising digital calculation means, e.g. for performing an algorithm
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/155,426 US4876632A (en) | 1988-02-10 | 1988-02-12 | Flashlight with battery life indicator module |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8901407D0 GB8901407D0 (en) | 1989-03-15 |
GB2215851A GB2215851A (en) | 1989-09-27 |
GB2215851B true GB2215851B (en) | 1992-10-21 |
Family
ID=22555377
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8901407A Expired - Fee Related GB2215851B (en) | 1988-02-12 | 1989-01-23 | Flashlight with battery life indicator module |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPH01292701A (en) |
GB (1) | GB2215851B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5105180A (en) * | 1990-02-12 | 1992-04-14 | Asahi Research Corporation | Combination light unit and battery monitor device |
GB2278922A (en) * | 1993-06-10 | 1994-12-14 | Nokia Mobile Phones Ltd | Monitoring battery charge states |
KR100392941B1 (en) * | 1999-12-15 | 2003-07-28 | 곽정국 | Installed a indicate LED of battery attrition rate in flashlight |
GB2384373A (en) * | 2002-01-19 | 2003-07-23 | Robert James Hancox | Torch or cycle lamp with display means |
JP2010046141A (en) * | 2008-08-19 | 2010-03-04 | Yokohama Rubber Co Ltd:The | Cushion |
JP2012048631A (en) * | 2010-08-30 | 2012-03-08 | Hochiki Corp | Illumination device and emergency illumination system |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4625174A (en) * | 1982-10-05 | 1986-11-25 | Walter Eberhart | Battery and bulb tester |
-
1989
- 1989-01-23 GB GB8901407A patent/GB2215851B/en not_active Expired - Fee Related
- 1989-02-08 JP JP1029566A patent/JPH01292701A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4625174A (en) * | 1982-10-05 | 1986-11-25 | Walter Eberhart | Battery and bulb tester |
Also Published As
Publication number | Publication date |
---|---|
GB2215851A (en) | 1989-09-27 |
GB8901407D0 (en) | 1989-03-15 |
JPH01292701A (en) | 1989-11-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19980123 |