JPH0313637U - - Google Patents

Info

Publication number
JPH0313637U
JPH0313637U JP7349189U JP7349189U JPH0313637U JP H0313637 U JPH0313637 U JP H0313637U JP 7349189 U JP7349189 U JP 7349189U JP 7349189 U JP7349189 U JP 7349189U JP H0313637 U JPH0313637 U JP H0313637U
Authority
JP
Japan
Prior art keywords
key
detector
metal
stand
detects
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
Application number
JP7349189U
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP7349189U priority Critical patent/JPH0313637U/ja
Publication of JPH0313637U publication Critical patent/JPH0313637U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Geophysics And Detection Of Objects (AREA)
  • Audible And Visible Signals (AREA)

Description

【図面の簡単な説明】
第1図は本考案のキー探知器の一実施例を示す
外観図、第2図はキー探知器の回路図、第3図、
第4図は第2図の磁気統合部の動作図、第5図は
在室管理ボードの外観図である。 1……キー探知器本体、2……キー載置台、3
……表示部、4……金属探知器、5……帰還式発
振回路、6……レベル判定器、7……発振部、8
……磁気結合部、8A……磁気結合部入力部、8
B……磁気結合部出力部、9……トランジスタ、
10……リレー、11a,11b……ランプ、1
2……キー、13……在室管理ボード。

Claims (1)

  1. 【実用新案登録請求の範囲】 金属性のキーを載置する台を有し、前記キーの
    存在・不存在を感知するキー探知器において、 前記キーの金属部分を検知する金属探知器を前
    記台に設けたことを特徴とするキー探知器。
JP7349189U 1989-06-26 1989-06-26 Pending JPH0313637U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7349189U JPH0313637U (ja) 1989-06-26 1989-06-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7349189U JPH0313637U (ja) 1989-06-26 1989-06-26

Publications (1)

Publication Number Publication Date
JPH0313637U true JPH0313637U (ja) 1991-02-12

Family

ID=31612348

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7349189U Pending JPH0313637U (ja) 1989-06-26 1989-06-26

Country Status (1)

Country Link
JP (1) JPH0313637U (ja)

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