JPS6483727A - Method and apparatus for automatic tracking investigating type excavation - Google Patents

Method and apparatus for automatic tracking investigating type excavation

Info

Publication number
JPS6483727A
JPS6483727A JP24166587A JP24166587A JPS6483727A JP S6483727 A JPS6483727 A JP S6483727A JP 24166587 A JP24166587 A JP 24166587A JP 24166587 A JP24166587 A JP 24166587A JP S6483727 A JPS6483727 A JP S6483727A
Authority
JP
Japan
Prior art keywords
excavation
signal
angle
investigating
investigation
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
JP24166587A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0364652B2 (enExample
Inventor
Shigeru Nagarego
Osamu Yamamoto
Yoichi Morozumi
Akio Aoki
Shuji Sato
Naoki Kimura
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.)
Koden Electronics Co Ltd
Original Assignee
Koden Electronics 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 Koden Electronics Co Ltd filed Critical Koden Electronics Co Ltd
Priority to JP24166587A priority Critical patent/JPS6483727A/ja
Publication of JPS6483727A publication Critical patent/JPS6483727A/ja
Publication of JPH0364652B2 publication Critical patent/JPH0364652B2/ja
Granted legal-status Critical Current

Links

JP24166587A 1987-09-25 1987-09-25 Method and apparatus for automatic tracking investigating type excavation Granted JPS6483727A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24166587A JPS6483727A (en) 1987-09-25 1987-09-25 Method and apparatus for automatic tracking investigating type excavation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24166587A JPS6483727A (en) 1987-09-25 1987-09-25 Method and apparatus for automatic tracking investigating type excavation

Publications (2)

Publication Number Publication Date
JPS6483727A true JPS6483727A (en) 1989-03-29
JPH0364652B2 JPH0364652B2 (enExample) 1991-10-08

Family

ID=17077697

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24166587A Granted JPS6483727A (en) 1987-09-25 1987-09-25 Method and apparatus for automatic tracking investigating type excavation

Country Status (1)

Country Link
JP (1) JPS6483727A (enExample)

Also Published As

Publication number Publication date
JPH0364652B2 (enExample) 1991-10-08

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term