FR1476087A - Indicateur de décharge pour batterie d'accumulateurs - Google Patents

Indicateur de décharge pour batterie d'accumulateurs

Info

Publication number
FR1476087A
FR1476087A FR57122A FR57122A FR1476087A FR 1476087 A FR1476087 A FR 1476087A FR 57122 A FR57122 A FR 57122A FR 57122 A FR57122 A FR 57122A FR 1476087 A FR1476087 A FR 1476087A
Authority
FR
France
Prior art keywords
battery
april
cut
transistors
battery discharge
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
Application number
FR57122A
Other languages
English (en)
Inventor
Harold Morton
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 filed Critical
Application granted granted Critical
Publication of FR1476087A publication Critical patent/FR1476087A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Tests Of Electric Status Of Batteries (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
FR57122A 1965-04-09 1966-04-08 Indicateur de décharge pour batterie d'accumulateurs Expired FR1476087A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB15284/65A GB1128165A (en) 1965-04-09 1965-04-09 Apparatus for indicating the state of charge of secondary batteries

Publications (1)

Publication Number Publication Date
FR1476087A true FR1476087A (fr) 1967-04-07

Family

ID=10056344

Family Applications (1)

Application Number Title Priority Date Filing Date
FR57122A Expired FR1476087A (fr) 1965-04-09 1966-04-08 Indicateur de décharge pour batterie d'accumulateurs

Country Status (2)

Country Link
FR (1) FR1476087A (fr)
GB (1) GB1128165A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0099181A1 (fr) * 1982-07-08 1984-01-25 THORN EMI Instruments Limited Instrument de mesure ayant un détecteur de faible charge

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1475841A (en) * 1974-04-24 1977-06-10 Suwa Seikosha Kk Electronic timepiece
US4306270A (en) * 1978-09-05 1981-12-15 Nartron Corporation Electrical system monitoring means

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0099181A1 (fr) * 1982-07-08 1984-01-25 THORN EMI Instruments Limited Instrument de mesure ayant un détecteur de faible charge

Also Published As

Publication number Publication date
GB1128165A (en) 1968-09-25

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