JPS60173592U - Electric field sensing boom - Google Patents

Electric field sensing boom

Info

Publication number
JPS60173592U
JPS60173592U JP6129984U JP6129984U JPS60173592U JP S60173592 U JPS60173592 U JP S60173592U JP 6129984 U JP6129984 U JP 6129984U JP 6129984 U JP6129984 U JP 6129984U JP S60173592 U JPS60173592 U JP S60173592U
Authority
JP
Japan
Prior art keywords
electric field
boom
field sensing
receiver
alarm device
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
JP6129984U
Other languages
Japanese (ja)
Inventor
正史 吉田
Original Assignee
三和テッキ株式会社
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 by 三和テッキ株式会社 filed Critical 三和テッキ株式会社
Priority to JP6129984U priority Critical patent/JPS60173592U/en
Publication of JPS60173592U publication Critical patent/JPS60173592U/en
Pending legal-status Critical Current

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  • Jib Cranes (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

【図面の簡単な説明】[Brief explanation of drawings]

第１図はクレーンの概略的正面図、第２図は回路構成の
ブロック線図である。 １・・ご・・ブーム、２・・・・・・操作席、３・・・
・・・電界検知器、４・・・・・・受信器、５・・・・
・・警報装置、６・・・・・・アンテナ。FIG. 1 is a schematic front view of the crane, and FIG. 2 is a block diagram of the circuit configuration. 1...boom, 2...control seat, 3...
...Electric field detector, 4...Receiver, 5...
...Alarm device, 6...Antenna.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] アンテナにより所定値以上の電界を検知してＦＭ送信部
から電波を発する複数の電界検知器をブームの長手方向
に沿って相互に間隔をおいて取付けると共に、前記電界
検知器からの電波番受けて警報装置動作信号を発する受
信器と、この受信器からの信号を受けて警報を発する警
報装置とを設けた電界検知型ブーム。A plurality of electric field detectors that detect an electric field of a predetermined value or more with an antenna and emit radio waves from an FM transmitter are installed at intervals along the longitudinal direction of the boom, and receive radio wave numbers from the electric field detectors. An electric field detection type boom equipped with a receiver that emits an alarm device activation signal and an alarm device that issues an alarm upon receiving the signal from the receiver.
JP6129984U 1984-04-27 1984-04-27 Electric field sensing boom Pending JPS60173592U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6129984U JPS60173592U (en) 1984-04-27 1984-04-27 Electric field sensing boom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6129984U JPS60173592U (en) 1984-04-27 1984-04-27 Electric field sensing boom

Publications (1)

Publication Number Publication Date
JPS60173592U true JPS60173592U (en) 1985-11-16

Family

ID=30589445

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6129984U Pending JPS60173592U (en) 1984-04-27 1984-04-27 Electric field sensing boom

Country Status (1)

Country Link
JP (1) JPS60173592U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010052860A (en) * 2008-08-26 2010-03-11 Chugoku Electric Power Co Inc:The Crane alarm system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5123959B1 (en) * 1971-01-06 1976-07-20

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5123959B1 (en) * 1971-01-06 1976-07-20

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010052860A (en) * 2008-08-26 2010-03-11 Chugoku Electric Power Co Inc:The Crane alarm system

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