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
Grant status
Grant
Patent type
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
GB2215851A (en )
GB8901407D0 (en )
Inventor
Paul L Howard
Greta Gleason Light
Ralph F Osterhout
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.)
Tekna
RAY O VAC CORP
Spectrum Brands Inc
Original Assignee
RAY O VAC CORP
TEKNA
Spectrum Brands Inc
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
Grant date

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00 and G01R33/00 - G01R35/00
    • G01R15/04Voltage dividers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Apparatus for testing electrical condition of accumulators or electric batteries, e.g. capacity or charge condition
    • G01R31/3627Testing, i.e. making a one-time determination of some variables, e.g. testing ampere-hour charge capacity
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16533Indicating 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
    • G01R19/16538Indicating 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
    • G01R19/16542Indicating 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Apparatus for testing electrical condition of accumulators or electric batteries, e.g. capacity or charge condition
    • G01R31/3644Various constructional arrangements
    • G01R31/3648Various constructional arrangements comprising digital calculation means, e.g. for performing an algorithm
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Apparatus for testing electrical condition of accumulators or electric batteries, e.g. capacity or charge condition
    • G01R31/3644Various constructional arrangements
    • G01R31/3682Various constructional arrangements for indicating electrical conditions or variables, e.g. visual or audible indicators
GB8901407A 1988-02-10 1989-01-23 Flashlight with battery life indicator module Expired - Fee Related GB2215851B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US07155426 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 true 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) 1988-02-10 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 (5)

* 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
GB9312000D0 (en) * 1993-06-10 1993-07-28 Nokia Mobile Phones Ltd A battery operated apparatus
GB0201247D0 (en) * 2002-01-19 2002-03-06 Hancox Robert J Advanced torch or cycle lamp
JP2010046141A (en) * 2008-08-19 2010-03-04 Yokohama Rubber Co Ltd:The Cushion
JP2012048631A (en) * 2010-08-30 2012-03-08 Daiken 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 Type
JPH01292701A (en) 1989-11-27 application
GB2215851A (en) 1989-09-27 application
GB8901407D0 (en) 1989-03-15 grant

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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