JPS56122965A - Power supply battery warning device - Google Patents

Power supply battery warning device

Info

Publication number
JPS56122965A
JPS56122965A JP2618980A JP2618980A JPS56122965A JP S56122965 A JPS56122965 A JP S56122965A JP 2618980 A JP2618980 A JP 2618980A JP 2618980 A JP2618980 A JP 2618980A JP S56122965 A JPS56122965 A JP S56122965A
Authority
JP
Japan
Prior art keywords
turned
state
lit
circuit
led1
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.)
Pending
Application number
JP2618980A
Other languages
Japanese (ja)
Inventor
Kazuhisa Arame
Saburo Yoneyama
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.)
Konica Minolta Inc
Original Assignee
Konica Minolta 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
Application filed by Konica Minolta Inc filed Critical Konica Minolta Inc
Priority to JP2618980A priority Critical patent/JPS56122965A/en
Publication of JPS56122965A publication Critical patent/JPS56122965A/en
Pending legal-status Critical Current

Links

Classifications

    • 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]

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Tests Of Electric Status Of Batteries (AREA)
  • Secondary Cells (AREA)

Abstract

PURPOSE:To prevent an abnormal operation of a device, by displaying the consumption state with distiction between the state requiring care and the unusable state and by disconnecting a load circuit and a battery in case of the unusable state. CONSTITUTION:If battery E is normal, the base voltage of transistor Q1 is a voltage sufficient for turning on Q1 even if switch S is turned on, and Q2 is turned off. LED1 is not lit. Q3 is turned on and Q4 is turned off, and LED2 is not lit also. Further, Q5 is turned off, and Q5 is turned on, and Q7 is turned on, and the current is supplied to the circuit of the camera normally. When E is consumed, Q1 is turned off first, and LED1 is lit, and the state requiring care is displayed. When E is consumed furthermore, Q3 is turned off, and LED2 is lit; however, since the circuit from R6 to D1 is turned on, Q2 is turned off, and LED1 is extinguished. Under this state, Q7 is turned off due to turning-on of Q5, and the current to the circuit of the camera is cut off, thereby avoiding the abnormal operation.
JP2618980A 1980-03-04 1980-03-04 Power supply battery warning device Pending JPS56122965A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2618980A JPS56122965A (en) 1980-03-04 1980-03-04 Power supply battery warning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2618980A JPS56122965A (en) 1980-03-04 1980-03-04 Power supply battery warning device

Publications (1)

Publication Number Publication Date
JPS56122965A true JPS56122965A (en) 1981-09-26

Family

ID=12186547

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2618980A Pending JPS56122965A (en) 1980-03-04 1980-03-04 Power supply battery warning device

Country Status (1)

Country Link
JP (1) JPS56122965A (en)

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