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GB2215851B - Flashlight with battery life indicator module - Google Patents

Flashlight with battery life indicator module

Info

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
Application number
GB8901407A
Other versions
GB8901407D0 (en
GB2215851A (en
Inventor
Ralph F Osterhout
Paul L Howard
Greta Gleason Light
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.)
Spectrum Brands Inc
TEKNA
Original Assignee
TEKNA
Rayovac Corp
Ray O Vac Corp
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
Priority claimed from US07/155,426 external-priority patent/US4876632A/en
Application filed by TEKNA, Rayovac Corp, Ray O Vac Corp filed Critical TEKNA
Publication of GB8901407D0 publication Critical patent/GB8901407D0/en
Publication of GB2215851A publication Critical patent/GB2215851A/en
Application granted granted Critical
Publication of GB2215851B publication Critical patent/GB2215851B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
GB8901407A 1988-02-12 1989-01-23 Flashlight with battery life indicator module Expired - Fee Related GB2215851B (en)

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 (7)

* Cited by examiner, † Cited by third party
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
US7496460B2 (en) 2006-09-06 2009-02-24 Eastway Fair Company Limited Energy source monitoring and control system for power tools
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4625174A (en) * 1982-10-05 1986-11-25 Walter Eberhart Battery and bulb tester

Patent Citations (1)

* Cited by examiner, † Cited by third party
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
JPH01292701A (en) 1989-11-27
GB8901407D0 (en) 1989-03-15
GB2215851A (en) 1989-09-27

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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