JPS63199323U - - Google Patents
Info
- Publication number
- JPS63199323U JPS63199323U JP8719587U JP8719587U JPS63199323U JP S63199323 U JPS63199323 U JP S63199323U JP 8719587 U JP8719587 U JP 8719587U JP 8719587 U JP8719587 U JP 8719587U JP S63199323 U JPS63199323 U JP S63199323U
- Authority
- JP
- Japan
- Prior art keywords
- battery
- voltage
- display element
- optical display
- detection 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
- 238000001514 detection method Methods 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims 6
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Credit Cards Or The Like (AREA)
- Power Sources (AREA)
Description
第１図は本考案の電池寿命表示装置付メモリー
カードのブロツク図。第２図は従来のメモリーカ
ードのブロツク図。第３図は第１図の破線内８の
詳しい回路図。
５…電池電圧検出回路、６…スイツチ回路、７
…ＬＥＤ（発光ダイオード）、１２…電池のプラ
ス端子、１３…電池のマイナス端子。
FIG. 1 is a block diagram of a memory card with a battery life display device according to the present invention. Figure 2 is a block diagram of a conventional memory card. FIG. 3 is a detailed circuit diagram of 8 within the broken line in FIG. 5...Battery voltage detection circuit, 6...Switch circuit, 7
...LED (light emitting diode), 12...Battery positive terminal, 13...Battery negative terminal.
Claims (1)
記電池１の電圧をあらかじめ設定した基準電圧と
比較する電池電圧検出回路５、前記電池電圧検出
回路５に接続する光学的素子７、操作することに
より、前記電池１と前記電池電圧検出回路５を接
続または分離せしめるスイツチ回路６を内蔵し、
前記スイツチ回路６により、前記電池１と前記電
池電圧検出回路６を接続せしめた場合に於いて、
前記電池１の電圧が、前記基準電圧より高い場合
は、前記光学的表示素子７を点灯せしめ、前記電
池１の電圧が前記基準電圧より低い場合は、前記
光学的素子７を消灯せしめるよう構成された光学
的表示素子付メモリーカードに於いて、内蔵する
メモリー回路３のデータ書き込み時とデータ読み
出し時を含むアクセス時に於いても、前記光学的
表示素子７を点灯せしめるよう構成されたことを
特徴とする光学的表示素子付メモリーカード。 By operating at least a battery voltage detection circuit 5 that includes a battery 1 as a power source and compares the voltage of the battery 1 with a preset reference voltage, and an optical element 7 connected to the battery voltage detection circuit 5, Built-in a switch circuit 6 for connecting or separating the battery 1 and the battery voltage detection circuit 5,
When the switch circuit 6 connects the battery 1 and the battery voltage detection circuit 6,
When the voltage of the battery 1 is higher than the reference voltage, the optical display element 7 is turned on, and when the voltage of the battery 1 is lower than the reference voltage, the optical display element 7 is turned off. The memory card with an optical display element is characterized in that the optical display element 7 is made to light up even when the built-in memory circuit 3 is accessed, including when writing and reading data. A memory card with an optical display element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8719587U JPS63199323U (en) | 1987-06-05 | 1987-06-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8719587U JPS63199323U (en) | 1987-06-05 | 1987-06-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63199323U true JPS63199323U (en) | 1988-12-22 |
Family
ID=30944198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8719587U Pending JPS63199323U (en) | 1987-06-05 | 1987-06-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63199323U (en) |
-
1987
- 1987-06-05 JP JP8719587U patent/JPS63199323U/ja active Pending
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