FR2297425B1 - - Google Patents

Info

Publication number
FR2297425B1
FR2297425B1 FR7500587A FR7500587A FR2297425B1 FR 2297425 B1 FR2297425 B1 FR 2297425B1 FR 7500587 A FR7500587 A FR 7500587A FR 7500587 A FR7500587 A FR 7500587A FR 2297425 B1 FR2297425 B1 FR 2297425B1
Authority
FR
France
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
FR7500587A
Other languages
French (fr)
Other versions
FR2297425A1 (en
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to FR7500587A priority Critical patent/FR2297425A1/en
Publication of FR2297425A1 publication Critical patent/FR2297425A1/en
Application granted granted Critical
Publication of FR2297425B1 publication Critical patent/FR2297425B1/fr
Granted 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
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C10/00—Arrangements of electric power supplies in time pieces
    • G04C10/04—Arrangements of electric power supplies in time pieces with means for indicating the condition of the power supply

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
FR7500587A 1975-01-09 1975-01-09 Voltage drop warning apparatus with negative-resistance device - indicates interruption or failure of power source of clock Granted FR2297425A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7500587A FR2297425A1 (en) 1975-01-09 1975-01-09 Voltage drop warning apparatus with negative-resistance device - indicates interruption or failure of power source of clock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7500587A FR2297425A1 (en) 1975-01-09 1975-01-09 Voltage drop warning apparatus with negative-resistance device - indicates interruption or failure of power source of clock

Publications (2)

Publication Number Publication Date
FR2297425A1 FR2297425A1 (en) 1976-08-06
FR2297425B1 true FR2297425B1 (en) 1981-03-06

Family

ID=9149571

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7500587A Granted FR2297425A1 (en) 1975-01-09 1975-01-09 Voltage drop warning apparatus with negative-resistance device - indicates interruption or failure of power source of clock

Country Status (1)

Country Link
FR (1) FR2297425A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2437000A1 (en) * 1978-09-22 1980-04-18 Controle Automation Battery fatigue detector with voltage divider - has voltage comparator whose output is coupled to its second input over diode to enable its operation as store
FR2560721B1 (en) * 1984-03-01 1988-01-15 Ducellier & Cie INDICATOR DEVICE FOR CHARGING A MOTOR VEHICLE BATTERY
EP1750137A3 (en) * 2001-07-20 2007-07-11 Power Integrations, Inc. Method and apparatus for low cost current and voltage sensing in circuits as a function of a voltage drop

Also Published As

Publication number Publication date
FR2297425A1 (en) 1976-08-06

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Legal Events

Date Code Title Description
ST Notification of lapse