JPS5934310A - 位置マ−キング装置 - Google Patents

位置マ−キング装置

Info

Publication number: JPS5934310A
Authority: JP; Japan
Prior art keywords: cement concrete; optical fiber; magnetic; magnet; fiber contained
Prior art date: 1982-08-20
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

JP57143429A

Other languages

English (en)

Japanese (ja)

Other versions

JPS6215682B2 (2

Inventor

清川　博

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.)

Fujita Corp

Fujita Kogyo KK

Original Assignee

Fujita Corp

Fujita Kogyo KK

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.)

1982-08-20

Filing date

1982-08-20

Publication date

1984-02-24

1982-08-20 Application filed by Fujita Corp, Fujita Kogyo KK filed Critical Fujita Corp

1982-08-20 Priority to JP57143429A priority Critical patent/JPS5934310A/ja

1984-02-24 Publication of JPS5934310A publication Critical patent/JPS5934310A/ja

1987-04-08 Publication of JPS6215682B2 publication Critical patent/JPS6215682B2/ja

Status Granted legal-status Critical Current

Links

239000004568 cement Substances 0.000 title claims description 21
239000013307 optical fiber Substances 0.000 title claims description 14
230000003287 optical effect Effects 0.000 claims 1
230000005389 magnetism Effects 0.000 description 5
229910000859 α-Fe Inorganic materials 0.000 description 3
239000000843 powder Substances 0.000 description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
238000001514 detection method Methods 0.000 description 1
238000009415 formwork Methods 0.000 description 1
238000004898 kneading Methods 0.000 description 1
239000000696 magnetic material Substances 0.000 description 1
239000000463 material Substances 0.000 description 1
238000000034 method Methods 0.000 description 1
239000000203 mixture Substances 0.000 description 1
239000004576 sand Substances 0.000 description 1

Landscapes

Road Signs Or Road Markings (AREA)
Length Measuring Devices By Optical Means (AREA)
Length Measuring Devices With Unspecified Measuring Means (AREA)
Navigation (AREA)
Light Guides In General And Applications Therefor (AREA)

JP57143429A 1982-08-20 1982-08-20 位置マ−キング装置 Granted JPS5934310A (ja)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP57143429A JPS5934310A (ja)	1982-08-20	1982-08-20	位置マ−キング装置

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP57143429A JPS5934310A (ja)	1982-08-20	1982-08-20	位置マ−キング装置

Publications (2)

Publication Number	Publication Date
JPS5934310A true JPS5934310A (ja)	1984-02-24
JPS6215682B2 JPS6215682B2 (2)	1987-04-08

Family

ID=15338512

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP57143429A Granted JPS5934310A (ja)	1982-08-20	1982-08-20	位置マ−キング装置

Country Status (1)

Country	Link
JP (1)	JPS5934310A (2)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH01174409U (2) *	1988-05-20	1989-12-12
US8158313B2 (en)	2005-07-12	2012-04-17	Ricoh Company, Ltd.	Image forming apparatus for forming a color image, and image forming method for forming a color image

1982
- 1982-08-20 JP JP57143429A patent/JPS5934310A/ja active Granted

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH01174409U (2) *	1988-05-20	1989-12-12
US8158313B2 (en)	2005-07-12	2012-04-17	Ricoh Company, Ltd.	Image forming apparatus for forming a color image, and image forming method for forming a color image

Also Published As

Publication number	Publication date
JPS6215682B2 (2)	1987-04-08

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