JPH03248008A - 鉛直指示器 - Google Patents

鉛直指示器

Info

Publication number
JPH03248008A
JPH03248008A JP2044395A JP4439590A JPH03248008A JP H03248008 A JPH03248008 A JP H03248008A JP 2044395 A JP2044395 A JP 2044395A JP 4439590 A JP4439590 A JP 4439590A JP H03248008 A JPH03248008 A JP H03248008A
Authority
JP
Japan
Prior art keywords
magnet
float
vertical
fluid
shaped magnet
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
JP2044395A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0553362B2 (enExample
Inventor
Fukujiro Ukawa
福治郎 宇川
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.)
KITOU KOEI KK
Original Assignee
KITOU KOEI 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.)
Filing date
Publication date
Application filed by KITOU KOEI KK filed Critical KITOU KOEI KK
Priority to JP2044395A priority Critical patent/JPH03248008A/ja
Priority to DE69102109T priority patent/DE69102109T2/de
Priority to PCT/JP1991/000240 priority patent/WO1991013320A1/ja
Priority to US07/777,237 priority patent/US5201129A/en
Priority to EP91904652A priority patent/EP0471847B1/en
Publication of JPH03248008A publication Critical patent/JPH03248008A/ja
Publication of JPH0553362B2 publication Critical patent/JPH0553362B2/ja
Granted 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
    • G01C15/10—Plumb lines

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Level Indicators Using A Float (AREA)
JP2044395A 1990-02-27 1990-02-27 鉛直指示器 Granted JPH03248008A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2044395A JPH03248008A (ja) 1990-02-27 1990-02-27 鉛直指示器
DE69102109T DE69102109T2 (de) 1990-02-27 1991-02-25 Vertikalstellungsanzeige.
PCT/JP1991/000240 WO1991013320A1 (fr) 1990-02-27 1991-02-25 Indicateur de prise d'aplomb
US07/777,237 US5201129A (en) 1990-02-27 1991-02-25 Vertical indicator unit
EP91904652A EP0471847B1 (en) 1990-02-27 1991-02-25 Plumb indicator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2044395A JPH03248008A (ja) 1990-02-27 1990-02-27 鉛直指示器

Publications (2)

Publication Number Publication Date
JPH03248008A true JPH03248008A (ja) 1991-11-06
JPH0553362B2 JPH0553362B2 (enExample) 1993-08-09

Family

ID=12690322

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2044395A Granted JPH03248008A (ja) 1990-02-27 1990-02-27 鉛直指示器

Country Status (5)

Country Link
US (1) US5201129A (enExample)
EP (1) EP0471847B1 (enExample)
JP (1) JPH03248008A (enExample)
DE (1) DE69102109T2 (enExample)
WO (1) WO1991013320A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9604279D0 (en) * 1996-02-29 1996-05-01 Eddison Alan M Downhole tool
US6539640B1 (en) 2000-10-30 2003-04-01 Raymond L. Brown Plumb bob system
US9109892B2 (en) * 2012-06-21 2015-08-18 Eduardo Carbajal Light-enabled plumb indicator and wall brace device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS364470Y1 (enExample) * 1957-06-17 1961-03-03
JPS57101912U (enExample) * 1980-12-12 1982-06-23
JPS61274639A (ja) * 1985-03-27 1986-12-04 株式会社基東工営 鉛直指示ウキ

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3097565A (en) * 1963-07-16 Ship deck level sensor
GB204316A (en) * 1922-09-25 1924-09-18 Nestor Braibant An improved gradient-indicator for use on vehicles
CH452949A (de) * 1964-03-13 1968-03-15 Kuratorium Fuer Verkehrssicher Gerät zur Bestimmung des Betrages der Horizontalbeschleunigung von Kraftfahrzeugen und Verwendung des Gerätes
US3660840A (en) * 1970-05-25 1972-05-02 James Michael Plofchan Level indicator device
US3975831A (en) * 1973-08-02 1976-08-24 Ilmeg Ab Directing instrument
JPS5547635U (enExample) * 1978-09-22 1980-03-28
US4302962A (en) * 1979-10-05 1981-12-01 The Geolograph Company Inclinometer test assembly
JPS57101912A (en) * 1980-12-16 1982-06-24 Toshiba Corp Water-level control method of deaerator
SU1030650A1 (ru) * 1982-03-22 1983-07-23 Предприятие П/Я А-1158 Обратный отвес
US4517749A (en) * 1983-08-15 1985-05-21 Sperry Corporation Stable plumb beam optical projector
JPS60131420A (ja) * 1983-12-21 1985-07-13 Kitou Koei:Kk 測量用ポ−ル
JPS60123616U (ja) * 1984-01-30 1985-08-20 永田　松次 垂直計
JPS61102814U (enExample) * 1984-12-10 1986-06-30
SU1281890A1 (ru) * 1985-04-10 1987-01-07 Московский Институт Геодезии,Аэрофотосъемки И Картографии Устройство дл центрировани струны отвеса

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS364470Y1 (enExample) * 1957-06-17 1961-03-03
JPS57101912U (enExample) * 1980-12-12 1982-06-23
JPS61274639A (ja) * 1985-03-27 1986-12-04 株式会社基東工営 鉛直指示ウキ

Also Published As

Publication number Publication date
JPH0553362B2 (enExample) 1993-08-09
DE69102109T2 (de) 1994-10-13
EP0471847A4 (en) 1992-10-21
WO1991013320A1 (fr) 1991-09-05
US5201129A (en) 1993-04-13
EP0471847A1 (en) 1992-02-26
EP0471847B1 (en) 1994-05-25
DE69102109D1 (de) 1994-06-30

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