JPH0420125U - - Google Patents
Info
- Publication number
- JPH0420125U JPH0420125U JP5993190U JP5993190U JPH0420125U JP H0420125 U JPH0420125 U JP H0420125U JP 5993190 U JP5993190 U JP 5993190U JP 5993190 U JP5993190 U JP 5993190U JP H0420125 U JPH0420125 U JP H0420125U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- volatile memory
- external
- connector
- battery
- 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
- 230000006870 function Effects 0.000 claims description 2
- 230000014759 maintenance of location Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Power Sources (AREA)
Description
第１図はこの考案の一実施例であるシステム側
電源とメモリーカード本体及び電池交換用外部電
源の回路ブロツク図、第２図は第１図の具体的操
作の説明斜視図、第３図は従来のメモリーカード
をシステム本体に装着した斜視図、第４図は従来
のメモリーカードのシステム側電源とメモリーカ
ード本体の回路ブロツク図である。
図において、５は一次電池、６は揮発性メモリ
、７は電池切換ＳＷ、９はメモリーカード、１０
はコネクタ部、１１は電池交換専用外部電源端子
、１２は接続器、１３は外部ＤＣ電源、１４は交
換電池を示す。尚、図中、同一符号は同一、又は
相当部分を示す。
Figure 1 is a circuit block diagram of the system side power supply, memory card body, and external power supply for battery replacement, which is an embodiment of this invention, Figure 2 is a perspective view explaining the specific operation of Figure 1, and Figure 3 is FIG. 4 is a perspective view of a conventional memory card installed in a system main body, and a circuit block diagram of the system side power supply of the conventional memory card and the memory card main body. In the figure, 5 is a primary battery, 6 is a volatile memory, 7 is a battery switching switch, 9 is a memory card, and 10 is a
11 is an external power supply terminal exclusively for battery replacement, 12 is a connector, 13 is an external DC power supply, and 14 is a replacement battery. In the drawings, the same reference numerals indicate the same or equivalent parts.
補正 平２．９．２９
実用新案登録請求の範囲を次のように補正する
。Amendment September 29, 2002 The scope of claims for utility model registration is amended as follows.
【実用新案登録請求の範囲】
通常の信号・電源の送受をシステム本体と行う
コネクタ部と、交換可能な一次電池により内蔵の
揮発性メモリのデータをバツクアツプする機能を
有するメモリーカードにおいて、通常のコネクタ
部とは別に電池交換専用の外部電源端子を有し、
この外部電源端子はこれと対をなすピンジヤツク
等の接続器によつて外部ＤＣ電源と接続すること
ができ、前記接続器のメモリーカードへの接続に
よつて、通常の前記コネクタ部からの内蔵揮発性
メモリへの電源回路が断とされ、代りに前記外部
電源端子が内蔵揮発性メモリの電源回路へ接続さ
れる電源切換ＳＷを有し、前記外部電源端子に供
給される外部ＤＣ電源によつて、前記揮発性メモ
リのデータ保持電圧以上の電圧が得られ、この状
態で前記電池の交換を行つても揮発性メモリのデ
ータが消失しないことを特徴とするメモリーカー
ド。[Scope of Claim for Utility Model Registration] A connector part that transmits and receives normal signals and power to the system body, and a memory card that has a function to back up data in the built-in volatile memory using a replaceable primary battery. It has an external power terminal for battery replacement separately from the
This external power supply terminal can be connected to an external DC power supply through a connector such as a pin jack, and by connecting the connector to the memory card, the built-in volatile A power supply switching SW is provided in which the power supply circuit to the volatile memory is cut off and the external power supply terminal is connected to the power supply circuit of the built-in volatile memory instead, and the external DC power supply supplied to the external power supply terminal is used. . A memory card characterized in that a voltage higher than the data retention voltage of the volatile memory is obtained, and data in the volatile memory is not lost even if the battery is replaced in this state.
Claims (1)
コネクタ部と、交換可能な一次電池により内臓の
揮発性メモリのデータをバツクアツプする機能を
有するメモリーカードにおいて、通常のコネクタ
部とは別に電池交換専用の外部電源端子を有し、
この外部電源端子はこれと対をなすピンジヤツク
等の接続器によつて外部ＤＣ電源と接続すること
ができ、前記接続器のメモリーカードへの接続に
よつて、通常の前記コネクタ部からの内臓揮発性
メモリへの電源回路が断とされ、代りに前記外部
電源端子が内臓揮発性メモリの電源回路へ接続さ
れる電源切換ＳＷを有し、前記外部電源端子に供
給される外部ＤＣ電源によつて、前記揮発性メモ
リのデータ保持電圧以上の電圧が得られ、この状
態で前記電池の交換を行つても揮発性メモリのデ
ータが消失しないことを特徴とするメモリーカー
ド。 In memory cards, which have a connector part that sends and receives normal signals and power to and from the system body, and a function to back up data in the built-in volatile memory using a replaceable primary battery, there is a connector part that is used exclusively for battery replacement, separate from the normal connector part. Has an external power terminal,
This external power supply terminal can be connected to an external DC power supply through a connector such as a pin jack, and by connecting the connector to a memory card, the internal volatile A power supply switching SW is provided in which the power supply circuit to the volatile memory is cut off and the external power supply terminal is connected to the power supply circuit of the built-in volatile memory instead, and the external DC power supply supplied to the external power supply terminal . A memory card characterized in that a voltage higher than the data retention voltage of the volatile memory is obtained, and data in the volatile memory is not lost even if the battery is replaced in this state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5993190U JPH0420125U (en) | 1990-06-05 | 1990-06-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5993190U JPH0420125U (en) | 1990-06-05 | 1990-06-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0420125U true JPH0420125U (en) | 1992-02-20 |
Family
ID=31586868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5993190U Pending JPH0420125U (en) | 1990-06-05 | 1990-06-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0420125U (en) |
-
1990
- 1990-06-05 JP JP5993190U patent/JPH0420125U/ja active Pending
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