JPH0220698U - - Google Patents

Info

Publication number
JPH0220698U
JPH0220698U JP14403088U JP14403088U JPH0220698U JP H0220698 U JPH0220698 U JP H0220698U JP 14403088 U JP14403088 U JP 14403088U JP 14403088 U JP14403088 U JP 14403088U JP H0220698 U JPH0220698 U JP H0220698U
Authority
JP
Japan
Prior art keywords
obstacle
contact
close proximity
metal part
detecting
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.)
Granted
Application number
JP14403088U
Other languages
English (en)
Other versions
JP2550982Y2 (ja
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 JP1988144030U priority Critical patent/JP2550982Y2/ja
Publication of JPH0220698U publication Critical patent/JPH0220698U/ja
Application granted granted Critical
Publication of JP2550982Y2 publication Critical patent/JP2550982Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Description

【図面の簡単な説明】
第１図は本考案が適用されたシヤツターの実施
例を示す正面図、第２図１は座板スイツチの一部
破断図、第２図２は第２図１の―線断面図、
第３図１は上記実施例の電気回路図、第３図２は
搬送波、識別コード信号、変調波の波形図、第４
図および第５図は従来の障害物検出装置の説明図
である。 ３０…シヤツターカーテン、３６…ガイドレー
ル、３８…巻取りシヤフト、４２…モータ、４８
…送信機、５０…マイクロスイツチ、５２…受信
機、５８…操作器。

Claims (1)

    【実用新案登録請求の範囲】
  1. 障害物を検出するための検出手段と、前記検出
    手段が障害物を検出したときに高周波信号を出力
    すると共に出力端が構造物の金属部分に接触また
    は近接して配置される送信手段と、入力端が前記
    構造物の金属部分に接触または近接して配置され
    る受信手段と、を含む障害物検出装置。
JP1988144030U 1988-03-11 1988-11-02 障害物検出装置 Expired - Fee Related JP2550982Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988144030U JP2550982Y2 (ja) 1988-03-11 1988-11-02 障害物検出装置

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP5802988 1988-03-11
JP63-58029 1988-03-11
JP1988144030U JP2550982Y2 (ja) 1988-03-11 1988-11-02 障害物検出装置

Publications (2)

Publication Number Publication Date
JPH0220698U true JPH0220698U (ja) 1990-02-09
JP2550982Y2 JP2550982Y2 (ja) 1997-10-15

Family

ID=31497395

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988144030U Expired - Fee Related JP2550982Y2 (ja) 1988-03-11 1988-11-02 障害物検出装置

Country Status (1)

Country Link
JP (1) JP2550982Y2 (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5726942A (en) * 1980-07-25 1982-02-13 Tokyo Gas Co Ltd Data transmission system
JPS5945730A (ja) * 1982-09-08 1984-03-14 Oyo Chishitsu Kk 地中もしくは水中に位置する検出器出力のケ−ブルレス伝送方法
JPS6255391A (ja) * 1985-05-20 1987-03-11 三和シヤツタ−工業株式会社 電動式シヤツタ−の安全装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5726942A (en) * 1980-07-25 1982-02-13 Tokyo Gas Co Ltd Data transmission system
JPS5945730A (ja) * 1982-09-08 1984-03-14 Oyo Chishitsu Kk 地中もしくは水中に位置する検出器出力のケ−ブルレス伝送方法
JPS6255391A (ja) * 1985-05-20 1987-03-11 三和シヤツタ−工業株式会社 電動式シヤツタ−の安全装置

Also Published As

Publication number Publication date
JP2550982Y2 (ja) 1997-10-15

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees