JPH0399185U - - Google Patents

Info

Publication number
JPH0399185U
JPH0399185U JP845690U JP845690U JPH0399185U JP H0399185 U JPH0399185 U JP H0399185U JP 845690 U JP845690 U JP 845690U JP 845690 U JP845690 U JP 845690U JP H0399185 U JPH0399185 U JP H0399185U
Authority
JP
Japan
Prior art keywords
door
pair
transparent electrodes
viewing window
liquid crystal
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
JP845690U
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 JP845690U priority Critical patent/JPH0399185U/ja
Publication of JPH0399185U publication Critical patent/JPH0399185U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Liquid Crystal (AREA)

Description

【図面の簡単な説明】
第1図及び第2図は本考案の第1実施例であり
、第1図は正面図、第2図は第1図のA−A線拡
大断面図、第3図は本考案の第2実施例を示す第
1図のA−A線拡大断面図である。 1……玄関ドア(ドア)、2,2A……覗窓本
体、6,6A……透明電極、7……液晶層(液晶
)、7A……懇濁液。

Claims (1)

    【実用新案登録請求の範囲】
  1. 一対の透明電極の間に液晶を配し又は懸濁液を
    充満してなる覗窓本体をドアに設け、前記一対の
    透明電極間に印加する電圧をスイツチ信号に応じ
    て制御することにより、来訪時に透視でき、それ
    以外は透視できないようにしたことを特徴とする
    防犯用覗窓。
JP845690U 1990-01-31 1990-01-31 Pending JPH0399185U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP845690U JPH0399185U (ja) 1990-01-31 1990-01-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP845690U JPH0399185U (ja) 1990-01-31 1990-01-31

Publications (1)

Publication Number Publication Date
JPH0399185U true JPH0399185U (ja) 1991-10-16

Family

ID=31512087

Family Applications (1)

Application Number Title Priority Date Filing Date
JP845690U Pending JPH0399185U (ja) 1990-01-31 1990-01-31

Country Status (1)

Country Link
JP (1) JPH0399185U (ja)

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