JPH0449333B2 - - Google Patents
Info
- Publication number
- JPH0449333B2 JPH0449333B2 JP60058572A JP5857285A JPH0449333B2 JP H0449333 B2 JPH0449333 B2 JP H0449333B2 JP 60058572 A JP60058572 A JP 60058572A JP 5857285 A JP5857285 A JP 5857285A JP H0449333 B2 JPH0449333 B2 JP H0449333B2
- Authority
- JP
- Japan
- Prior art keywords
- storage battery
- external power
- charging current
- load
- current
- 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.)
- Expired - Lifetime
Links
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、蓄電池の充電器に関し、更に詳細に
は外部電源による電池の充電と並行して機器を使
用する場合における蓄電池の充電器に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a charger for a storage battery, and more particularly to a charger for a storage battery when a device is used in parallel with charging the battery by an external power source.
（従来の技術）
以下、蓄電池の充電器を組み込んだ従来の機器
について図面に基づいて説明する。(Prior Art) Hereinafter, a conventional device incorporating a storage battery charger will be described based on the drawings.
第２図は、第１の従来例の構成を示すブロツク
図である。同図において、充電機能を有する機器
２１は充電回路２２、蓄電池２３、電源スイツチ
２４、電源回路２５及び制御回路２６並びに負荷
（図示していない）から構成されている。尚、外
部電源２７は機器２１と別に設けられ、外部電力
を機器２１に供給するためのものである。 FIG. 2 is a block diagram showing the configuration of the first conventional example. In the figure, a device 21 having a charging function includes a charging circuit 22, a storage battery 23, a power switch 24, a power supply circuit 25, a control circuit 26, and a load (not shown). Note that the external power supply 27 is provided separately from the device 21 and is for supplying external power to the device 21.
充電回路２２の出力端は蓄電池２３の正極及び
電源スイツチ２４の一端に接続されている。蓄電
池２３の負荷は接地されている。また、電源スイ
ツチ２４の他端は電源回路２５を介して制御回路
２６に接続されている。さらに、図示されていな
いが制御回路２６は各負荷と接続されている。機
器２１が充電を必要とする場合、外部電源２７の
出力端は充電回路２２の入力端と接続する。尚、
充電回路２２は外部電源２７から供給される外部
電力を蓄電池２３に充電するためのものであり、
電源回路２５は機器２１に対して外部電力を安定
かつ複数の直流電力に変換し供給するためのもの
である。 The output end of the charging circuit 22 is connected to the positive electrode of the storage battery 23 and one end of the power switch 24. The load of the storage battery 23 is grounded. Further, the other end of the power switch 24 is connected to a control circuit 26 via a power circuit 25. Further, although not shown, a control circuit 26 is connected to each load. When the device 21 requires charging, the output end of the external power source 27 is connected to the input end of the charging circuit 22. still,
The charging circuit 22 is for charging the storage battery 23 with external power supplied from an external power source 27,
The power supply circuit 25 is for stably converting external power into a plurality of DC powers and supplying the same to the equipment 21.
次に、第１の従来例の動作について説明する。 Next, the operation of the first conventional example will be explained.
機器２１に組み込まれた蓄電池２３が使用済
（放電状態）になると、電源スイツチ２４を断に
し、さらに外部電源２７を機器２１つまり充電回
路２２に接続する。そして、充電回路２２による
充電電流が蓄電池２３に流れ込まれて充電を行な
つていた。 When the storage battery 23 built into the device 21 becomes used up (discharged), the power switch 24 is turned off and the external power source 27 is connected to the device 21, that is, the charging circuit 22. Then, the charging current from the charging circuit 22 flows into the storage battery 23 to perform charging.
しかし、上記第１の従来例では、蓄電池２３の
充電中機器２１の電源スイツチを断にしておかね
ばならず、機器２１が使用できないという欠点を
有している。 However, the first conventional example has the disadvantage that the power switch of the device 21 must be turned off while the storage battery 23 is being charged, and the device 21 cannot be used.
そこで、第３図に示すような充電と並行して機
器を使用できる第２の従来例がある。同図におい
て、第２図と同じ参照番号は同一要素を示す。異
なる構成要素として、機器２１がさらにリレー３
１を含む点である。リレー３１は機器２１の外部
電力入力側に設けられている。リレー３１ののリ
レー接点３２はリレー３１が動作しない状態のと
き電源回路２５の一端と蓄電池２３の正極が接続
するようになつており、リレー３１が動作すると
電源回路２５の一端と機器２１の外部電力入力側
が接続されるように切換わる。 Therefore, there is a second conventional example, as shown in FIG. 3, in which the device can be used in parallel with charging. In this figure, the same reference numbers as in FIG. 2 indicate the same elements. As a different component, the device 21 further includes a relay 3.
This is a point containing 1. Relay 31 is provided on the external power input side of device 21. The relay contact 32 of the relay 31 is connected to one end of the power supply circuit 25 and the positive electrode of the storage battery 23 when the relay 31 is not operating, and when the relay 31 is operating, one end of the power supply circuit 25 and the outside of the device 21 are connected. Switches so that the power input side is connected.
次に、第２の従来例の動作について説明する。 Next, the operation of the second conventional example will be explained.
外部電源２７が機器２１つまり充電回路２２に
接続されると、リレー３１が動作してリレー接点
３２が外部電力入力側に切換わる。よつて、外部
電力は充電回路２２を介して蓄電池２３に充電さ
れると共に電源回路２５及び制御回路２６を介し
て機器２１の負荷にも供給されるので、機器２１
は充電中でも動作可能となる。 When the external power source 27 is connected to the device 21, that is, the charging circuit 22, the relay 31 is activated and the relay contact 32 is switched to the external power input side. Therefore, the external power is charged to the storage battery 23 via the charging circuit 22 and also supplied to the load of the device 21 via the power supply circuit 25 and the control circuit 26.
can operate even while charging.
（発明が解決しようとする問題点）
しかしながら、上記従来の方法では、機器の長
時間連続稼動の必要が生じた際に蓄電池に対する
過充電が発生し、電池の寿命を低下させる問題点
があつた。(Problems to be Solved by the Invention) However, the conventional method described above has the problem that overcharging of the storage battery occurs when the equipment needs to operate continuously for a long time, reducing the lifespan of the battery. .
本発明はこれらの問題点を解決するためのもの
で、蓄電池の充電と並行した機器の長時間連続使
用（稼動）に際しても、過充電による蓄電池への
悪影響（寿命低下）を防ぐことができる蓄電池の
充電器を提供することを目的とする。 The present invention is intended to solve these problems, and is a storage battery that can prevent the negative effects (shortened lifespan) on the storage battery due to overcharging even when the device is continuously used (operated) for a long time while charging the storage battery. The purpose is to provide a charger for
（問題点を解決するための手段）
本発明は上記問題点を解決するために外部電源
からの外部電力を充電する蓄電池と、該蓄電池に
充電した供給電力または直接外部電力によつて動
作する負荷とを含む機器における蓄電池の充電器
において、外部電力の電流を小電流のトリクル充
電電流に変換して蓄電池に供給する第１の充電電
流手段５と、蓄電池の充電に最適な充電電流から
トリクル充電電流を除く充電電流に外部電力の電
流を変換して蓄電池に供給する第２の充電電流変
換手段４と、負荷への電流供給の接／断を行なう
第１のスイツチ手段９と、負荷への電流供給のた
め蓄電池と負荷とを接続し、又は外部電源と負荷
とを接続するように切り換わる第２のスイツチ手
段８と、第１及び第２の充電電流変換手段に外部
電力が供給されるか否かに従つて、負荷への電力
供給が外部電力または蓄電池からの供給電力のう
ちどちらかに切換わつて行なわれるように、第２
のスイツチ手段の切り換えを制御する切換制御手
段３と、第２の充電電流変換手段からの充電電流
の蓄電池への供給の接／断を行なう第３のスイツ
チ手段６と、第１のスイツチ手段の接／断に従つ
て第３のスイツチ手段の接／断を制御する制御手
段１０とを具備したことに特徴があります。(Means for Solving the Problems) In order to solve the above problems, the present invention provides a storage battery that is charged with external power from an external power supply, and a load that is operated by the supplied power charged in the storage battery or by the direct external power. A charger for a storage battery in a device including: a first charging current means 5 that converts an external power current into a small trickle charging current and supplies it to the storage battery; A second charging current converting means 4 converts the external power current into a charging current excluding current and supplies it to the storage battery, a first switching means 9 connects/disconnects the current supply to the load, and a first switch means 9 connects/disconnects the current supply to the load. External power is supplied to the second switch means 8 that switches to connect the storage battery and the load or to connect the external power supply and the load for current supply, and the first and second charging current conversion means. so that the power supply to the load is switched to either the external power or the power supplied from the storage battery depending on whether the second
a switching control means 3 for controlling the switching of the switching means; a third switching means 6 for connecting/disconnecting the supply of charging current from the second charging current converting means to the storage battery; It is characterized in that it is equipped with a control means 10 that controls the connection/disconnection of the third switch means in accordance with the connection/disconnection.
（作用）
このような構成を有する本発明によれば、外部
電源が機器に接続され、かつ第１のスイツチ手段
が接であると、切換制御手段により第２スイツチ
手段が蓄電池側から外部電源側に切り換わり、蓄
電池へは第１の充電電流変換手段からのトリクル
充電電流で充電されるとともに負荷へは外部電力
が供給される。一方、外部電源が機器に接続さ
れ、かつ第１のスイツチ手段が断であると、切換
制御手段により第２のスイツチ手段が蓄電池側か
ら外部電源側に切り換わり、蓄電池へは第１の充
電電流変換手段からのトリクル電流と、制御手段
からの制御により第３のスイツチ手段が接となり
第２の充電電流変換手段からの充電電流とを加え
た電流で充電される。(Function) According to the present invention having such a configuration, when the external power source is connected to the device and the first switch means is connected, the second switch means is switched from the storage battery side to the external power source side by the switching control means. The storage battery is charged with the trickle charging current from the first charging current converting means, and external power is supplied to the load. On the other hand, when the external power source is connected to the device and the first switch means is disconnected, the switching control means switches the second switch means from the storage battery side to the external power source side, and the first charging current is transferred to the storage battery. The third switch means is connected under the control of the control means and the trickle current from the conversion means is charged with a current obtained by adding the charging current from the second charging current conversion means.
したがつて、本発明は前記問題点を解決するこ
とができ、蓄電池の充電と並行した機器の長時間
連続使用（稼動）に際しても、過充電による蓄電
池への悪影響（寿命低下）を防ぐことができる蓄
電池の充電器を提供できる。 Therefore, the present invention can solve the above-mentioned problems, and even when the device is continuously used (operated) for a long time while charging the storage battery, it is possible to prevent the negative impact on the storage battery (reduction in service life) due to overcharging. We can provide chargers for storage batteries that can.
（実施例）
以下、本発明の一実施例を図面に基づいて説明
する。(Example) Hereinafter, an example of the present invention will be described based on the drawings.
第１図は本発明の一実施例を示すブロツク図で
ある。同図について、充電機能を有する機器１は
コネクタ２、リレー３、定電流回路４，５、電源
スイツチ回路６、蓄電池７、リレー接点８、電源
スイツチ９、電源制御回路１０及び負荷１１から
構成されている。尚、外部電源１２は機器１と別
に設けられ、外部電力を機器１に供給するための
ものである。 FIG. 1 is a block diagram showing one embodiment of the present invention. Referring to the figure, a device 1 with a charging function is composed of a connector 2, a relay 3, constant current circuits 4 and 5, a power switch circuit 6, a storage battery 7, a relay contact 8, a power switch 9, a power control circuit 10, and a load 11. ing. Note that the external power supply 12 is provided separately from the device 1 and is for supplying external power to the device 1.
コネクタ２の一端はリレー３の一端、電源スイ
ツチ回路６の制御端子、定電流回路４，５の入力
端及びリレー接点８の外部電力入力側にそれぞれ
が接続されている。コネクタ２の他端、リレー３
の他端は接地されている。蓄電池７の正極は、電
源スイツチ回路６を介して定電流回路４の出力端
及び定電流回路５の出力端並びにリレー接点８の
蓄電池側にそれぞれ接続されている。リレー接点
８の負荷側は電源スイツチ９の一端に接続され、
電源スイツチ９の他端は電源制御回路１０を介し
て負荷１１に接続されている。また、電源制御回
路１０の制御信号１３が電流スイツチ回路６の制
御端子に供給されるように電源制御回路１０と電
源スイツチ回路６は接続されている。尚、コネク
タ２は外部電源１２を機器１に接続するためのも
ので、リレー３は外部電源１２がコネクタ２を介
して機器１に接続された時つまり外部電力が供給
された時に動作し、リレー接点８が蓄電池側から
外部電力入力側へ切換わる。定電流回路４，５は
蓄電池７に各各充電電流i1，i2〔Ａ〕を流し込むた
めのものである。電源スイツチ回路６は、機器１
に外部電力が供給されたこと及び電源スイツチ９
が接となつて出力される電源制御回路１０からの
制御信号１３により、定電流回路４からの充電電
流i1を断／接するためのものである。制御信号１
３は外部電源１２からの外部電力が機器１に供給
されかつ電源スイツチ９が閉状態となると電源ス
イツチ回路６を断にすべく信号であり、逆に電源
スイツチ９が開状態となるだけで電源スイツチ回
路６を接にすべき信号である。 One end of the connector 2 is connected to one end of a relay 3, a control terminal of a power switch circuit 6, input ends of constant current circuits 4 and 5, and an external power input side of a relay contact 8, respectively. Other end of connector 2, relay 3
The other end is grounded. The positive electrode of the storage battery 7 is connected to the output end of the constant current circuit 4, the output end of the constant current circuit 5, and the storage battery side of the relay contact 8 via the power switch circuit 6, respectively. The load side of the relay contact 8 is connected to one end of the power switch 9,
The other end of the power switch 9 is connected to a load 11 via a power control circuit 10. Further, the power supply control circuit 10 and the power switch circuit 6 are connected so that the control signal 13 of the power supply control circuit 10 is supplied to the control terminal of the current switch circuit 6. The connector 2 is for connecting the external power source 12 to the device 1, and the relay 3 operates when the external power source 12 is connected to the device 1 via the connector 2, that is, when external power is supplied. Contact 8 switches from the storage battery side to the external power input side. The constant current circuits 4 and 5 are for flowing charging currents i 1 and i 2 [A] into the storage battery 7, respectively. The power switch circuit 6 is connected to the device 1
that external power has been supplied to the
This is for disconnecting/connecting the charging current i 1 from the constant current circuit 4 in accordance with the control signal 13 from the power supply control circuit 10 which is output when connected. Control signal 1
3 is a signal to turn off the power switch circuit 6 when external power from the external power supply 12 is supplied to the device 1 and the power switch 9 is closed; This is a signal to which the switch circuit 6 should be connected.
次に、本実施例の動作について説明する。 Next, the operation of this embodiment will be explained.
先ず、コネクタ２に外部電源１２が接続される
と、リレー３が動作してリレー接点８は外部電源
側に移り、機器１は外部電源１２で動作できる状
態となる。同時に、蓄電池７へは定電流回路５か
らの充電電流i2が流れ込む。この場合、機器１の
電源スイツチ９が閉状態にあれば、電源制御回路
１０からの制御信号１３により、電源スイツチ回
路６は断にされ、定電流回路４，５からの充電電
流i1を遮断する。 First, when the external power source 12 is connected to the connector 2, the relay 3 is activated and the relay contact 8 is moved to the external power source side, so that the device 1 can be operated with the external power source 12. At the same time, charging current i 2 from constant current circuit 5 flows into storage battery 7 . In this case, if the power switch 9 of the device 1 is in the closed state, the power switch circuit 6 is turned off by the control signal 13 from the power supply control circuit 10, and the charging current i 1 from the constant current circuits 4 and 5 is cut off. do.
従つて、蓄電池７は、機器１と外部電源１２が
接続されて機器１の負荷１１に外部電力が供給さ
れた場合定電流回路５からの充電電流i2のみで充
電されることとなる。ただし、この時の充電電流
i2は蓄電池７が過電流による悪影響（寿命低下）
を受けない範囲の充電電流値に設定されている。
この充電電流はトリクル充電電流と呼ばれ、微小
な充電電流（0.02〜0.05C〔mA〕）であつて蓄電池
を常に満充電状態に維持する電流である。 Therefore, when the device 1 and the external power source 12 are connected and external power is supplied to the load 11 of the device 1, the storage battery 7 is charged only with the charging current i 2 from the constant current circuit 5. However, the charging current at this time
i 2 is caused by overcurrent on storage battery 7 (decreased lifespan)
The charging current value is set within a range that does not cause
This charging current is called a trickle charging current, and is a minute charging current (0.02 to 0.05C [mA]) that always maintains the storage battery in a fully charged state.
一方、機器１の電源スイツチ９が開状態にあれ
ば、制御信号１３により電源スイツチ回路６は接
にされ、定電流回路４からの充電電流i1を通電
し、蓄電池７はi1＋i2〔Ａ〕の充電電流で充電され
ることになる。このｉ、＋2〔Ａ〕は蓄電池７を充
電するのに最適な値に設計されている。 On the other hand, if the power switch 9 of the device 1 is in the open state, the power switch circuit 6 is connected by the control signal 13, the charging current i 1 from the constant current circuit 4 is passed, and the storage battery 7 is charged with i 1 +i 2 [ It will be charged with the charging current of A]. This i, + 2 [A] is designed to be the optimum value for charging the storage battery 7.
（発明の構成）
以上詳細に説明したように、本発明によれば、
機器の電源スイツチが開状態の時、機器に組み込
まれた蓄電池の充電電流をトリクル充電電流まで
低下させる手段を設けたことにより、蓄電池の充
電と並行した機器の長時間連続使用（稼動）に際
しても、過電流による蓄電池への悪影響（寿命低
下）を防ぐことができる。(Structure of the Invention) As explained in detail above, according to the present invention,
By providing a means to reduce the charging current of the storage battery built into the device to trickle charging current when the power switch of the device is in the open state, even when the device is used continuously (operated) for a long time while charging the storage battery. , it is possible to prevent negative effects (reduction in life span) on storage batteries due to overcurrent.
第１図は本発明の一実施例を示すブロツク図、
第２図は第１の従来例の構成を示すブロツク図、
第３図は第２の従来例の構成を示すブロツク図で
ある。
１，２１…機器、２…コネクタ、３，３１…リ
レー、４，５…定電流回路、６…電流スイツチ回
路、７，２３…蓄電池、８，３２…リレー接点、
９，２４…電源スイツチ、１０…電源制御回路、
１１…負荷、１２，２７…外部電源、１３…制御
信号、２２…充電回路、２５…電源回路、２６…
制御回路。
FIG. 1 is a block diagram showing one embodiment of the present invention;
FIG. 2 is a block diagram showing the configuration of the first conventional example;
FIG. 3 is a block diagram showing the configuration of a second conventional example. 1, 21... Equipment, 2... Connector, 3, 31... Relay, 4, 5... Constant current circuit, 6... Current switch circuit, 7, 23... Storage battery, 8, 32... Relay contact,
9, 24...power switch, 10...power control circuit,
DESCRIPTION OF SYMBOLS 11... Load, 12, 27... External power supply, 13... Control signal, 22... Charging circuit, 25... Power supply circuit, 26...
control circuit.
Claims (1)
と、該蓄電池に充電した供給電力または直接前記
外部電力によつて動作する負荷とを含む機器にお
ける蓄電池の充電器において、 前記外部電力の電流を小電流のトリクル充電電
流に変換して前記蓄電池に供給する第１の充電電
流手段５と、 前記蓄電池の充電に最適な充電電流から前記ト
リクル充電電流を除く充電電流に前記外部電力の
電流を変換して前記蓄電池に供給する第２の充電
電流変換手段４と、 前記負荷への電流供給の接／断を行なう第１の
スイツチ手段９と、 前記負荷への電流供給のため前記蓄電池と前記
負荷とを接続し、又は前記外部電源と前記負荷と
を接続するように切り換わる第２のスイツチ手段
８と、 前記第１及び第２の充電電流変換手段に前記外
部電力が供給されるか否かに従つて、前記負荷へ
の電力供給が前記外部電力または前記蓄電池から
の供給電力のうちどちらかに切換わつて行なわれ
るように、前記第２のスイツチ手段の切り換えを
制御する切換制御手段３と、 前記第２の充電電流変換手段からの充電電流の
前記蓄電池への供給の接／断を行なう第３のスイ
ツチ手段６と、 前記第１のスイツチ手段の接／断に従つて前記
第３のスイツチ手段の接／断を制御する制御手段
１０とを具備し、 外部電源が機器に接続され、かつ前記第１のス
イツチ手段が接であると、前記切換制御手段によ
り前記第２スイツチ手段が前記蓄電池側から外部
電源側に切り換わり、前記蓄電池へは前記第１の
充電電流変換手段からのトリクル充電電流で充電
されるとともに前記負荷へは前記外部電力が供給
され、 外部電源が機器に接続され、かつ前記第１のス
イツチ手段が断であると、前記切換制御手段によ
り前記第２スイツチ手段が前記蓄電池側から外部
電源側に切り換わり、前記蓄電池へは前記第１の
充電電流変換手段からのトリクル充電電流と、前
記制御手段からの制御により前記第３のスイツチ
手段が接となり前記第２の充電電流変換手段から
の充電電流とを加えた電流で充電されることを特
徴とする蓄電池の充電器。[Scope of Claims] 1. A charger for a storage battery in a device including a storage battery that is charged with external power from an external power source, and a load that is operated by the supplied power charged in the storage battery or directly by the external power, comprising: a first charging current means 5 that converts a power current into a trickle charging current of a small current and supplies it to the storage battery; a second charging current conversion means 4 for converting the current and supplying it to the storage battery; a first switching means 9 for connecting/disconnecting the current supply to the load; and a first switching means 9 for connecting/disconnecting the current supply to the load; The external power is supplied to a second switch means 8 that switches to connect the storage battery and the load or to connect the external power source and the load, and the first and second charging current conversion means. switching for controlling switching of the second switch means so that the power supply to the load is switched to either the external power or the power supplied from the storage battery, depending on whether the power is supplied to the load; a control means 3; a third switch means 6 for connecting/disconnecting the supply of the charging current from the second charging current converting means to the storage battery; and according to the connection/disconnection of the first switch means. and a control means 10 for controlling connection/disconnection of the third switch means, and when an external power source is connected to the device and the first switch means is connected, the switching control means controls the second switch. The switch means switches from the storage battery side to the external power source side, the storage battery is charged with the trickle charging current from the first charging current conversion means, and the external power is supplied to the load, and the external power source is When connected to a device and the first switch means is disconnected, the switching control means switches the second switch means from the storage battery side to the external power source side, and the first charging current is supplied to the storage battery. Charging is carried out with a current that is the sum of the trickle charging current from the converting means and the charging current from the second charging current converting means, which turns on the third switch means under control from the control means. A storage battery charger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5857285A JPS61218330A (en) | 1985-03-25 | 1985-03-25 | Charging of storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5857285A JPS61218330A (en) | 1985-03-25 | 1985-03-25 | Charging of storage battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61218330A JPS61218330A (en) | 1986-09-27 |
| JPH0449333B2 true JPH0449333B2 (en) | 1992-08-11 |
Family
ID=13088150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5857285A Granted JPS61218330A (en) | 1985-03-25 | 1985-03-25 | Charging of storage battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61218330A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6116832B2 (en) * | 2012-09-03 | 2017-04-19 | 日立マクセル株式会社 | Contactless charging system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59204429A (en) * | 1983-04-30 | 1984-11-19 | シャープ株式会社 | Power source control circuit |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57101544U (en) * | 1980-12-12 | 1982-06-22 | ||
| JPS5990239U (en) * | 1982-12-07 | 1984-06-19 | 株式会社日立国際電気 | charger |
-
1985
- 1985-03-25 JP JP5857285A patent/JPS61218330A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59204429A (en) * | 1983-04-30 | 1984-11-19 | シャープ株式会社 | Power source control circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61218330A (en) | 1986-09-27 |
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