JPS6447233A - Charger - Google Patents
ChargerInfo
- Publication number
- JPS6447233A JPS6447233A JP20207287A JP20207287A JPS6447233A JP S6447233 A JPS6447233 A JP S6447233A JP 20207287 A JP20207287 A JP 20207287A JP 20207287 A JP20207287 A JP 20207287A JP S6447233 A JPS6447233 A JP S6447233A
- Authority
- JP
- Japan
- Prior art keywords
- current
- controller
- oscillator
- circuit
- cmosic
- 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.)
- Granted
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
PURPOSE:To prevent an overcharging due to an irregularity by forming a current controller for constantly controlling a charging current of a current mirror circuit, and forming it together with a CR oscillator on the same chip by a CMOSIC process. CONSTITUTION:A secondary cell 2 is charged by a constant current through a current controller 3 from a primary cell 1. A timer circuit 5 having a CR oscillator 4a and a counter 4b is provided, and the controller 3 is operated by the output for a predetermined time. In this case, the controller 3 is formed of a current mirror circuit, a circuit which contains a resistor for setting its charging current and a resistor for setting the time constant of the oscillator 4a is formed on the same chip by a CMOSIC process. Thus, is can prevent an overcharging due to the irregularity of the resistors, and a unification into a single chip can be realized.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20207287A JPS6447233A (en) | 1987-08-13 | 1987-08-13 | Charger |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20207287A JPS6447233A (en) | 1987-08-13 | 1987-08-13 | Charger |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6447233A true JPS6447233A (en) | 1989-02-21 |
JPH0526420B2 JPH0526420B2 (en) | 1993-04-16 |
Family
ID=16451485
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20207287A Granted JPS6447233A (en) | 1987-08-13 | 1987-08-13 | Charger |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6447233A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007007197A (en) * | 2005-06-30 | 2007-01-18 | Kokuyo Furniture Co Ltd | Movable rack apparatus |
-
1987
- 1987-08-13 JP JP20207287A patent/JPS6447233A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007007197A (en) * | 2005-06-30 | 2007-01-18 | Kokuyo Furniture Co Ltd | Movable rack apparatus |
Also Published As
Publication number | Publication date |
---|---|
JPH0526420B2 (en) | 1993-04-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term | ||
FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080416 Year of fee payment: 15 |