JPS6117755B2 - - Google Patents

Info

Publication number
JPS6117755B2
JPS6117755B2 JP6065179A JP6065179A JPS6117755B2 JP S6117755 B2 JPS6117755 B2 JP S6117755B2 JP 6065179 A JP6065179 A JP 6065179A JP 6065179 A JP6065179 A JP 6065179A JP S6117755 B2 JPS6117755 B2 JP S6117755B2
Authority
JP
Japan
Prior art keywords
light
boom
pulse
light emitter
reflector
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.)
Expired
Application number
JP6065179A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55152406A (en
Inventor
Sakae Tadano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tadano Ltd
Original Assignee
Tadano Iron Works Co Ltd
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 Tadano Iron Works Co Ltd filed Critical Tadano Iron Works Co Ltd
Priority to JP6065179A priority Critical patent/JPS55152406A/ja
Publication of JPS55152406A publication Critical patent/JPS55152406A/ja
Publication of JPS6117755B2 publication Critical patent/JPS6117755B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Jib Cranes (AREA)
JP6065179A 1979-05-16 1979-05-16 Boom length detector Granted JPS55152406A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6065179A JPS55152406A (en) 1979-05-16 1979-05-16 Boom length detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6065179A JPS55152406A (en) 1979-05-16 1979-05-16 Boom length detector

Publications (2)

Publication Number Publication Date
JPS55152406A JPS55152406A (en) 1980-11-27
JPS6117755B2 true JPS6117755B2 (enrdf_load_html_response) 1986-05-09

Family

ID=13148442

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6065179A Granted JPS55152406A (en) 1979-05-16 1979-05-16 Boom length detector

Country Status (1)

Country Link
JP (1) JPS55152406A (enrdf_load_html_response)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102070089B (zh) * 2010-12-29 2012-12-26 三一汽车起重机械有限公司 具有单缸插销式工作臂的起重机及其臂长测量方法和装置
DE102012208635A1 (de) * 2012-05-23 2013-11-28 Hirschmann Automation And Control Gmbh Messung der Auslegerlänge eines Kranes mittels Laufzeitmessung
CN103145042B (zh) * 2013-03-12 2015-03-11 中联重科股份有限公司 伸缩吊臂长度的检测方法、装置、系统和吊臂伸缩设备

Also Published As

Publication number Publication date
JPS55152406A (en) 1980-11-27

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