JPS5847667U - key card - Google Patents
key cardInfo
- Publication number
- JPS5847667U JPS5847667U JP14481581U JP14481581U JPS5847667U JP S5847667 U JPS5847667 U JP S5847667U JP 14481581 U JP14481581 U JP 14481581U JP 14481581 U JP14481581 U JP 14481581U JP S5847667 U JPS5847667 U JP S5847667U
- Authority
- JP
- Japan
- Prior art keywords
- key card
- resonant circuit
- recorded
- codes
- built
- 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
- Lock And Its Accessories (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はこの考案の一実施例を示すキーカード′および
その検出手段の斜視図、第２図は共振回路の等価回路で
ある。
１・・・・・・キーカード、２・・・・・・第１列のコ
ード群、３・・・・・・第２列のコード群、４・・・・
・・共振回路、７゜８．９・・・・・・近接スイッチ。FIG. 1 is a perspective view of a key card and its detection means showing an embodiment of this invention, and FIG. 2 is an equivalent circuit of a resonant circuit. 1... Key card, 2... Code group in the first column, 3... Code group in the second column, 4...
・・Resonant circuit, 7° 8.9 ・・・Proximity switch.
Claims (1)
回路を内蔵したことを特徴とするキーカード。A key card characterized by having a plurality of codes and a built-in resonant circuit for determining authenticity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14481581U JPS5847667U (en) | 1981-09-28 | 1981-09-28 | key card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14481581U JPS5847667U (en) | 1981-09-28 | 1981-09-28 | key card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5847667U true JPS5847667U (en) | 1983-03-31 |
Family
ID=29937766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14481581U Pending JPS5847667U (en) | 1981-09-28 | 1981-09-28 | key card |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5847667U (en) |
-
1981
- 1981-09-28 JP JP14481581U patent/JPS5847667U/en active Pending
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