JPH0330130U - - Google Patents
Info
- Publication number
- JPH0330130U JPH0330130U JP8830989U JP8830989U JPH0330130U JP H0330130 U JPH0330130 U JP H0330130U JP 8830989 U JP8830989 U JP 8830989U JP 8830989 U JP8830989 U JP 8830989U JP H0330130 U JPH0330130 U JP H0330130U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- capacitor
- circuit
- memory circuit
- supply circuit
- 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 8
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Power Sources (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
- Control Of Voltage And Current In General (AREA)
Description
第１図はこの考案の一実施例による計算機用電
源回路の回路構成図、第２図は従来の計算機用電
源回路の回路構成図、第３図は従来の計算機用電
源回路の他の実施例を示す回路構成図である。
図中、１，８は電源回路、２は電池、３，４は
ダイオード、５はメモリ回路、６，７はコンデン
サ、９は計算機回路である。なお図中、同一符号
は同一又は相当部分を示す。
Figure 1 is a circuit diagram of a computer power supply circuit according to an embodiment of this invention, Figure 2 is a circuit diagram of a conventional computer power supply circuit, and Figure 3 is another embodiment of the conventional computer power supply circuit. FIG. In the figure, 1 and 8 are power supply circuits, 2 is a battery, 3 and 4 are diodes, 5 is a memory circuit, 6 and 7 are capacitors, and 9 is a computer circuit. In the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
リ回路と電源回路間にあつて電源の出力の逆流を
防止する第１のダイオードと、メモリ回路の電源
間にあつて直列に接続した電池と、第２のダイオ
ードとから成る計算機用電源回路において、メモ
リ回路の電源のプラス側に一方を接続した第１の
コンデンサと、メモリ回路の電源のマイナス側と
第１のコンデンサの他端に接続し第１のコンデン
サに比べて静電容量の小さい第２のコンデンサと
から構成し、第１のコンデンサと第２のコンデン
サの接続点と電源回路の出力電圧検出端子を接続
するように構成したことを特徴とする計算機用電
源回路。 A memory circuit of a computer, a power supply circuit thereof, a first diode between the memory circuit and the power supply circuit to prevent reverse flow of the output of the power supply, a battery connected in series between the power supply of the memory circuit, and In a computer power supply circuit consisting of two diodes, the first capacitor has one end connected to the positive side of the power supply of the memory circuit, and the first capacitor has one end connected to the negative side of the power supply of the memory circuit and the other end of the first capacitor. and a second capacitor having a smaller capacitance than the capacitor, and the connection point between the first capacitor and the second capacitor is connected to the output voltage detection terminal of the power supply circuit. Power supply circuit for computers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8830989U JPH0330130U (en) | 1989-07-27 | 1989-07-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8830989U JPH0330130U (en) | 1989-07-27 | 1989-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0330130U true JPH0330130U (en) | 1991-03-25 |
Family
ID=31637931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8830989U Pending JPH0330130U (en) | 1989-07-27 | 1989-07-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0330130U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101432798B1 (en) * | 2012-10-12 | 2014-08-21 | (주)제우스 | a car toy which accommodates character sound operation means |
-
1989
- 1989-07-27 JP JP8830989U patent/JPH0330130U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101432798B1 (en) * | 2012-10-12 | 2014-08-21 | (주)제우스 | a car toy which accommodates character sound operation means |
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