JPS6447233A - Charger - Google Patents

Charger

Info

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
Application number
JP20207287A
Other languages
Japanese (ja)
Other versions
JPH0526420B2 (en
Inventor
Shinji Sakamoto
Kaoru Kato
Masao Arakawa
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 Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP20207287A priority Critical patent/JPS6447233A/en
Publication of JPS6447233A publication Critical patent/JPS6447233A/en
Publication of JPH0526420B2 publication Critical patent/JPH0526420B2/ja
Granted legal-status Critical Current

Links

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.
JP20207287A 1987-08-13 1987-08-13 Charger Granted JPS6447233A (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007007197A (en) * 2005-06-30 2007-01-18 Kokuyo Furniture Co Ltd Movable rack apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
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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