HK1073975A2 - Laser level. - Google Patents

Laser level.

Info

Publication number
HK1073975A2
HK1073975A2 HK04106597A HK04106597A HK1073975A2 HK 1073975 A2 HK1073975 A2 HK 1073975A2 HK 04106597 A HK04106597 A HK 04106597A HK 04106597 A HK04106597 A HK 04106597A HK 1073975 A2 HK1073975 A2 HK 1073975A2
Authority
HK
Hong Kong
Prior art keywords
laser level
laser
level
Prior art date
Application number
HK04106597A
Other languages
English (en)
Inventor
Tat Nin Lui
Scott Sze Kok Fong
Lin Yang
Original Assignee
Choon Nang Elec Appl Mfy 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 Choon Nang Elec Appl Mfy Ltd filed Critical Choon Nang Elec Appl Mfy Ltd
Priority to HK04106597A priority Critical patent/HK1073975A2/xx
Priority to CN 200510099666 priority patent/CN1743808A/zh
Priority to EP05255340A priority patent/EP1632748A3/fr
Publication of HK1073975A2 publication Critical patent/HK1073975A2/xx

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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Lasers (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
HK04106597A 2004-09-02 2004-09-02 Laser level. HK1073975A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
HK04106597A HK1073975A2 (en) 2004-09-02 2004-09-02 Laser level.
CN 200510099666 CN1743808A (zh) 2004-09-02 2005-09-01 激光水准仪
EP05255340A EP1632748A3 (fr) 2004-09-02 2005-09-01 Niveau à laser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HK04106597A HK1073975A2 (en) 2004-09-02 2004-09-02 Laser level.

Publications (1)

Publication Number Publication Date
HK1073975A2 true HK1073975A2 (en) 2005-10-21

Family

ID=35431680

Family Applications (1)

Application Number Title Priority Date Filing Date
HK04106597A HK1073975A2 (en) 2004-09-02 2004-09-02 Laser level.

Country Status (3)

Country Link
EP (1) EP1632748A3 (fr)
CN (1) CN1743808A (fr)
HK (1) HK1073975A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2430742A (en) * 2005-09-28 2007-04-04 David Mo A laser level device
CN111721270A (zh) * 2019-03-21 2020-09-29 深圳市道通科技股份有限公司 一种两线激光器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19914539B4 (de) * 1999-03-31 2004-05-06 Robert Bosch Gmbh Vorrichtung zur Neigungsanzeige
EP1393016A4 (fr) * 2001-05-15 2007-03-21 American Tool Comp Inc Dispositif de generation d'une ligne laser
DE20318795U1 (de) * 2003-12-04 2004-02-26 Yu, Yueh-Chao, Taiping Libelle mit Laser

Also Published As

Publication number Publication date
EP1632748A3 (fr) 2008-03-26
EP1632748A2 (fr) 2006-03-08
CN1743808A (zh) 2006-03-08

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Legal Events

Date Code Title Description
PF2 Short-term patent ceased to have effect under s.126(2) (not payment of maintenance fee and has 6-month grace period to pay)

Effective date: 20080902