FR2871877B3 - Niveau a laser - Google Patents

Niveau a laser

Info

Publication number
FR2871877B3
FR2871877B3 FR0550257A FR0550257A FR2871877B3 FR 2871877 B3 FR2871877 B3 FR 2871877B3 FR 0550257 A FR0550257 A FR 0550257A FR 0550257 A FR0550257 A FR 0550257A FR 2871877 B3 FR2871877 B3 FR 2871877B3
Authority
FR
France
Prior art keywords
laser
level
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 - Lifetime
Application number
FR0550257A
Other languages
English (en)
Other versions
FR2871877A3 (fr
Inventor
Yi Liu
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.)
Nanjing Chervon Industry Co Ltd
Original Assignee
Nanjing Chervon Industry 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 Nanjing Chervon Industry Co Ltd filed Critical Nanjing Chervon Industry Co Ltd
Publication of FR2871877A3 publication Critical patent/FR2871877A3/fr
Application granted granted Critical
Publication of FR2871877B3 publication Critical patent/FR2871877B3/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • G01C15/002—Active optical surveying means
    • G01C15/004—Reference lines, planes or sectors
FR0550257A 2004-06-18 2005-01-28 Niveau a laser Expired - Lifetime FR2871877B3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2004200281064U CN2718518Y (zh) 2004-06-18 2004-06-18 激光标线器

Publications (2)

Publication Number Publication Date
FR2871877A3 FR2871877A3 (fr) 2005-12-23
FR2871877B3 true FR2871877B3 (fr) 2006-05-19

Family

ID=34398378

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0550257A Expired - Lifetime FR2871877B3 (fr) 2004-06-18 2005-01-28 Niveau a laser

Country Status (5)

Country Link
US (1) US20050278966A1 (fr)
CN (1) CN2718518Y (fr)
AU (1) AU2005100030A4 (fr)
DE (1) DE202004020219U1 (fr)
FR (1) FR2871877B3 (fr)

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CN108957576A (zh) * 2018-09-01 2018-12-07 深圳市波尔顿科技有限公司 一种红外传感器
CN109655045A (zh) * 2018-12-30 2019-04-19 贵阳电气控制设备有限公司 一种隧道内激光定位自动放线装置及其方法
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US20220307835A1 (en) * 2021-03-29 2022-09-29 Frank Basile Laser Level Multi-Tool

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Also Published As

Publication number Publication date
FR2871877A3 (fr) 2005-12-23
CN2718518Y (zh) 2005-08-17
AU2005100030A4 (en) 2005-02-03
DE202004020219U1 (de) 2005-05-25
US20050278966A1 (en) 2005-12-22

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