JPS61113554U - - Google Patents
Info
- Publication number
- JPS61113554U JPS61113554U JP19370884U JP19370884U JPS61113554U JP S61113554 U JPS61113554 U JP S61113554U JP 19370884 U JP19370884 U JP 19370884U JP 19370884 U JP19370884 U JP 19370884U JP S61113554 U JPS61113554 U JP S61113554U
- Authority
- JP
- Japan
- Prior art keywords
- power
- supply line
- power supply
- switching element
- turns
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000001052 transient effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Power Sources (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
Description
第１図は本考案の一実施例の回路図、第２図は
従来装置の回路図である。
１……ＲＡＭ、２……ＮチヤンネルＦＥＴ、Ｒ
１，Ｒ２……抵抗、Ｃ１，Ｃ２……コンデンサ、
Ｌ１……電源ライン、Ｌ２……アースライン。
FIG. 1 is a circuit diagram of an embodiment of the present invention, and FIG. 2 is a circuit diagram of a conventional device. 1...RAM, 2...N channel FET, R
1, R2...Resistor, C1, C2...Capacitor,
L1...Power line, L2...Earth line.
Claims (1)
デンサの直列回路を接続し、電源の停電時に前記
コンデンサが放電して前記電源ラインを介してメ
モリに動作電源を供給するメモリのバツクアツプ
回路において、前記抵抗に並列に接続されたスイ
ツチング素子と、前記電源ラインの電圧を検出し
、電源投入の際の過渡期間は前記スイツチング素
子をオフさせ、前記電源投入の後の定常状態にあ
る期間は前記スイツチング素子をオンさせるスイ
ツチング制御回路とを備えることを特徴とするメ
モリのバツクアツプ回路。 In a memory backup circuit, a series circuit of a resistor and a capacitor is connected between a power supply line and an earth line, and the capacitor discharges during a power outage and supplies operating power to the memory via the power supply line. detects the voltage of the switching element connected to the power supply line and the power supply line, turns off the switching element during a transient period when the power is turned on, and turns on the switching element during a steady state period after the power is turned on. A memory backup circuit comprising a switching control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19370884U JPS61113554U (en) | 1984-12-21 | 1984-12-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19370884U JPS61113554U (en) | 1984-12-21 | 1984-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61113554U true JPS61113554U (en) | 1986-07-18 |
Family
ID=30751132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19370884U Pending JPS61113554U (en) | 1984-12-21 | 1984-12-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61113554U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6377757A (en) * | 1986-09-19 | 1988-04-07 | Canon Inc | Protective apparatus for recording head |
| JP2002159182A (en) * | 2000-11-15 | 2002-05-31 | Denso Corp | Moving robot |
-
1984
- 1984-12-21 JP JP19370884U patent/JPS61113554U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6377757A (en) * | 1986-09-19 | 1988-04-07 | Canon Inc | Protective apparatus for recording head |
| JP2002159182A (en) * | 2000-11-15 | 2002-05-31 | Denso Corp | Moving robot |
| JP4505978B2 (en) * | 2000-11-15 | 2010-07-21 | 株式会社デンソー | Mobile robot |