JPH0524315A - Backup power supply of recording apparatus - Google Patents
Backup power supply of recording apparatusInfo
- Publication number
- JPH0524315A JPH0524315A JP3206254A JP20625491A JPH0524315A JP H0524315 A JPH0524315 A JP H0524315A JP 3206254 A JP3206254 A JP 3206254A JP 20625491 A JP20625491 A JP 20625491A JP H0524315 A JPH0524315 A JP H0524315A
- Authority
- JP
- Japan
- Prior art keywords
- battery
- power supply
- backup power
- recording apparatus
- backup
- 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
Landscapes
- Accessory Devices And Overall Control Thereof (AREA)
- Control Or Security For Electrophotography (AREA)
- Power Sources (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、電子タイプライタ、プ
リンタ、ファクシミリ、複写機等の記録装置のバックア
ップ用電源装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a backup power supply device for recording devices such as electronic typewriters, printers, facsimiles, and copying machines.
【０００２】[0002]
【従来の技術】従来、記録装置のメモリのバックアップ
は、電池ボックス内に収容された電池によって行われて
いるが、バックアップ用電源装置は、記録装置のＣＰＵ
ユニット内のバックアップ用電源を線材等を介して電池
ボックス内の電池端子に接続するような構成になってい
る。そして、電池交換時には、記録装置の主電源を入れ
てバックアップ用電源に電力を供給しておき、電池ボッ
クス内の電池を交換のために外してもメモリを保護した
状態になっている。2. Description of the Related Art Conventionally, a memory of a recording device is backed up by a battery housed in a battery box. However, the backup power supply device is a CPU of the recording device.
The backup power source in the unit is connected to the battery terminal in the battery box via a wire or the like. When the battery is replaced, the main power supply of the recording apparatus is turned on to supply power to the backup power supply, and the memory is protected even if the battery in the battery box is removed for replacement.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、上記従
来例では、電池交換時に、人の手が触れる電池ボックス
内の電池端子に人の手から静電気が加わり、静電気がそ
の電池端子からＣＰＵユニットに伝わり、ＣＰＵユニッ
トの誤動作やバックアップメモリの内容の破壊という欠
点があった。However, in the above-mentioned conventional example, when the battery is replaced, static electricity is applied from the human hand to the battery terminal in the battery box which is touched by the human hand, and the static electricity is transmitted from the battery terminal to the CPU unit. However, there are drawbacks such as malfunction of the CPU unit and destruction of the contents of the backup memory.
【０００４】したがって、本発明の目的は、電池交換時
に、ＣＰＵユニット内のバックアップ用電源と電池ボッ
クス内の電池端子を物理的に切り離すように構成して上
記欠点を解消した記録装置のバックアップ用電源装置を
提供することにある。Therefore, an object of the present invention is to physically separate the backup power source in the CPU unit and the battery terminal in the battery box when the battery is replaced, thereby eliminating the above-mentioned drawbacks. To provide a device.
【０００５】[0005]
【課題を解決するための手段】前述の目的を達成するた
めに、本発明は、記録装置のバックアップ用電源装置に
おいて、電池交換時に、バックアップ用電源に電力を供
給する主電源手段と、交換すべき電池をバックアップ用
電源から切り離す切断手段とを有することを特徴とする
記録装置のバックアップ用電源装置を採用するものであ
る。In order to achieve the above-mentioned object, the present invention provides a backup power supply device for a recording apparatus, which is replaced with a main power supply means for supplying power to the backup power supply at the time of battery replacement. A backup power supply device for a recording apparatus is used, which has a disconnecting means for disconnecting a power battery from the backup power supply.
【０００６】また、前記切断手段は、好ましくは、交換
すべき電池を収容する電池ボックスの電池蓋により作動
されるスイッチである。この構成により、交換のため
に、電池ボックスの電池蓋を外すと、自動的にＣＰＵユ
ニット内のバックアップ用電源と電池ボックス内の電池
端子が切り離される。Further, the cutting means is preferably a switch operated by a battery cover of a battery box containing a battery to be replaced. With this configuration, when the battery cover of the battery box is removed for replacement, the backup power supply in the CPU unit and the battery terminal in the battery box are automatically disconnected.
【０００７】[0007]
【実施例】次に、図面を参照して、本発明の好ましい実
施例を説明する。図１は、本発明のバックアップ用電源
装置の回路ブロック図である。図１において、参照番号
１は、電子タイプライタ等の記録装置を示し、２は、Ｃ
ＰＵユニットを示し、３はメモリバックアップ用の電池
ボックスを示し、４は、ＣＰＵユニットと電池ボックス
を物理的に切り離す手段を示す。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will now be described with reference to the drawings. FIG. 1 is a circuit block diagram of a backup power supply device of the present invention. In FIG. 1, reference numeral 1 denotes a recording device such as an electronic typewriter, and 2 denotes C
A PU unit is shown, 3 is a battery box for memory backup, and 4 is a means for physically separating the CPU unit and the battery box.
【０００８】図２は、一層具体的に実施例の詳細を示す
回路図である。図２において、参照番号５は電池を示
し、５ａは電池端子を示し、６は抵抗を示し、７、８は
ダイオード（Ｄ１、Ｄ２）を示し、９はコンデンサ（Ｃ
１）を示し、１０は主電源１３からのロジック用電源Ｖ
CCを示し、１１はメモリバックアップ用電源ＶA を示
し、１２はＣＰＵユニットと電池ボックスを接続するコ
ネクタを示し、１４は電池蓋を示し、１５は電池蓋を外
すと接点が開くスイッチを示す。FIG. 2 is a circuit diagram showing the details of the embodiment more specifically. In FIG. 2, reference numeral 5 indicates a battery, 5a indicates a battery terminal, 6 indicates a resistance, 7 and 8 indicate diodes (D1 and D2), and 9 indicates a capacitor (C
1) and 10 is a logic power supply V from the main power supply 13.
CC is shown, 11 is a memory backup power supply V A , 12 is a connector for connecting the CPU unit and the battery box, 14 is a battery lid, and 15 is a switch whose contacts are opened when the battery lid is removed.
【０００９】図２を参照して実施例の動作を説明する
と、電池交換時には、記録装置の主電源１３を入れ、そ
の主電源１３から作られるロジック用電源１０（ＶCC）
は、ダイオード８（Ｄ２）を通ってメモリバックアップ
用電源１１（ＶA ）を作る。このため、電池ボックス内
の電池５を外してもメモリには主電源１３からロジック
用電源１０（ＶCC）から電力が供給されるようになって
いる。The operation of the embodiment will be described with reference to FIG. 2. When the battery is replaced, the main power supply 13 of the recording apparatus is turned on, and the logic power supply 10 (V CC ) generated from the main power supply 13 is turned on.
Produces a memory backup power supply 11 (V A ) through the diode 8 (D2). Therefore, even if the battery 5 in the battery box is removed, power is supplied from the logic power supply 10 (V CC ) from the main power supply 13 to the memory.
【００１０】そして、電池交換のために、電池ボックス
３の電池蓋１４を外すと、スイッチ１５が開き、自動的
に電池端子５ａとＣＰＵユニット２のコネクタ１２が物
理的に切り離され、たとえ電池端子に静電気が加わった
としても、静電気がコネクタ１２を経てＣＰＵユニット
２の内部、即ち接地やバックアップ用電源１１（ＶA ）
に伝わることがない。このようにして電池交換時に、メ
モリの内容を静電気から保護することができる。When the battery cover 14 of the battery box 3 is removed for battery replacement, the switch 15 is opened, and the battery terminal 5a and the connector 12 of the CPU unit 2 are physically separated automatically. Even if static electricity is applied to the inside of the CPU unit 2 through the connector 12, that is, grounding or backup power source 11 (V A ).
There is no transmission to. In this way, the contents of the memory can be protected from static electricity when the battery is replaced.
【００１１】[0011]
【発明の効果】以上詳細に説明したように、本発明は、
電池交換時に、電池ボックスの電池端子とＣＰＵユニッ
トを物理的に切り離すように構成したので、手から加わ
る静電気のＣＰＵユニットへの侵入を防ぎ、メモリの内
容を保護する。As described in detail above, the present invention is
When the battery is replaced, the battery terminal of the battery box and the CPU unit are physically separated from each other, so that static electricity applied by hand is prevented from entering the CPU unit and the contents of the memory are protected.
【図１】図１は、本発明のバックアップ用電源装置の回
路ブロック図である。FIG. 1 is a circuit block diagram of a backup power supply device of the present invention.
【図２】図２は、一層具体的に実施例の詳細を示す回路
図である。FIG. 2 is a circuit diagram showing the details of the embodiment more specifically.
１ 記録装置 ２ ＣＰＵユニット ３ 電池ボックス ４ 切断手段 ５ 電池 ５ａ 電池端子 ６ 抵抗 ７、８ ダイオード １０ ロジック用電源 １１ バックアップ用電源 １２ コネクタ １３ 主電源 １４ 電池蓋 １５ スイッチ 1 recording device 2 CPU unit 3 battery box 4 cutting means 5 batteries 5a Battery terminal 6 resistance 7, 8 diode 10 Logic power supply 11 Backup power supply 12 connectors 13 Main power supply 14 Battery lid 15 switch
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｇ０６Ｆ 12/16 ３４０ Ｅ 7629−5Ｂ Ｈ０２Ｊ 7/00 ３０２ Ａ 9060−5Ｇ // Ｇ０３Ｇ 15/00 １０２ 8004−2Ｈ 7832−5Ｂ Ｇ０６Ｆ 1/00 ３３５ Ａ ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 5 Identification code Internal reference number FI Technical display location G06F 12/16 340 E 7629-5B H02J 7/00 302 A 9060-5G // G03G 15/00 102 8004-2H 7832-5B G06F 1/00 335 A
Claims (2)
いて、電池交換時に、バックアップ用電源に電力を供給
する主電源手段と、交換すべき電池をバックアップ用電
源から切り離す切断手段とを有することを特徴とする記
録装置のバックアップ用電源装置。1. A backup power supply device for a recording apparatus, comprising: a main power supply means for supplying power to the backup power supply when replacing the battery; and a disconnecting means for disconnecting the battery to be replaced from the backup power supply. Power supply for backup of recording device.
用電源装置において、前記切断手段が交換すべき電池を
収容する電池ボックスの電池蓋により作動されるスイッ
チであることを特徴とする記録装置のバックアップ用電
源装置。2. The backup power supply device for a recording apparatus according to claim 1, wherein the disconnecting means is a switch operated by a battery cover of a battery box containing a battery to be replaced. Power supply for backup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3206254A JPH0524315A (en) | 1991-07-23 | 1991-07-23 | Backup power supply of recording apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3206254A JPH0524315A (en) | 1991-07-23 | 1991-07-23 | Backup power supply of recording apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0524315A true JPH0524315A (en) | 1993-02-02 |
Family
ID=16520290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3206254A Pending JPH0524315A (en) | 1991-07-23 | 1991-07-23 | Backup power supply of recording apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0524315A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7496312B2 (en) * | 2004-08-02 | 2009-02-24 | Ricoh Company, Ltd. | Auxiliary power supply unit and image forming apparatus |
| JP2010273417A (en) * | 2009-05-20 | 2010-12-02 | Honda Motor Co Ltd | Electric vehicle |
| JP2014508586A (en) * | 2011-02-14 | 2014-04-10 | コーニンクレッカ フィリップス エヌ ヴェ | Electrical means to limit leakage current in battery-operated patient-connected medical devices |
-
1991
- 1991-07-23 JP JP3206254A patent/JPH0524315A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7496312B2 (en) * | 2004-08-02 | 2009-02-24 | Ricoh Company, Ltd. | Auxiliary power supply unit and image forming apparatus |
| EP1626311B1 (en) * | 2004-08-02 | 2011-01-12 | Ricoh Company, Ltd. | Auxiliary power supply unit and image forming apparatus |
| JP2010273417A (en) * | 2009-05-20 | 2010-12-02 | Honda Motor Co Ltd | Electric vehicle |
| JP2014508586A (en) * | 2011-02-14 | 2014-04-10 | コーニンクレッカ フィリップス エヌ ヴェ | Electrical means to limit leakage current in battery-operated patient-connected medical devices |
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