JPS6481626A - Current-time measuring circuit - Google Patents
Current-time measuring circuitInfo
- Publication number
- JPS6481626A JPS6481626A JP62239211A JP23921187A JPS6481626A JP S6481626 A JPS6481626 A JP S6481626A JP 62239211 A JP62239211 A JP 62239211A JP 23921187 A JP23921187 A JP 23921187A JP S6481626 A JPS6481626 A JP S6481626A
- Authority
- JP
- Japan
- Prior art keywords
- current
- battery
- charging
- measuring circuit
- time measuring
- 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
Links
Abstract
PURPOSE:To confirm charging of a battery easily, by measuring and indicating time integration of charging current. CONSTITUTION:A low resistor R having scarce influence on a current loop is inserted between a DC constant voltage source 1 and a battery to be charged, then the voltage across the resistor R is converted through a voltage/frequency converter 4 into frequency which is counted through a pulse counter 5 and indicated on an indicator 6. Since integrated charging current is indicated, charging amount of battery can be confirmed accurately.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62239211A JPS6481626A (en) | 1987-09-24 | 1987-09-24 | Current-time measuring circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62239211A JPS6481626A (en) | 1987-09-24 | 1987-09-24 | Current-time measuring circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6481626A true JPS6481626A (en) | 1989-03-27 |
Family
ID=17041395
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62239211A Pending JPS6481626A (en) | 1987-09-24 | 1987-09-24 | Current-time measuring circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6481626A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03282916A (en) * | 1990-03-30 | 1991-12-13 | Toshiba Corp | Power supply controller |
WO1998019221A1 (en) * | 1996-10-31 | 1998-05-07 | Citizen Watch Co., Ltd. | Electronic timepiece |
JP2009133675A (en) * | 2007-11-29 | 2009-06-18 | Sony Corp | Battery pack and method of calculating internal impedance |
-
1987
- 1987-09-24 JP JP62239211A patent/JPS6481626A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03282916A (en) * | 1990-03-30 | 1991-12-13 | Toshiba Corp | Power supply controller |
WO1998019221A1 (en) * | 1996-10-31 | 1998-05-07 | Citizen Watch Co., Ltd. | Electronic timepiece |
JP2009133675A (en) * | 2007-11-29 | 2009-06-18 | Sony Corp | Battery pack and method of calculating internal impedance |
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