FR2335828A1 - Niveau automatique - Google Patents

Niveau automatique

Info

Publication number
FR2335828A1
FR2335828A1 FR7538828A FR7538828A FR2335828A1 FR 2335828 A1 FR2335828 A1 FR 2335828A1 FR 7538828 A FR7538828 A FR 7538828A FR 7538828 A FR7538828 A FR 7538828A FR 2335828 A1 FR2335828 A1 FR 2335828A1
Authority
FR
France
Prior art keywords
automatic level
automatic
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.)
Granted
Application number
FR7538828A
Other languages
English (en)
Other versions
FR2335828B1 (fr
Inventor
Pierre Paget
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.)
EssilorLuxottica SA
Original Assignee
Essilor International Compagnie Generale dOptique SA
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 Essilor International Compagnie Generale dOptique SA filed Critical Essilor International Compagnie Generale dOptique SA
Priority to FR7538828A priority Critical patent/FR2335828A1/fr
Priority to DE2649135A priority patent/DE2649135C3/de
Priority to US05/751,037 priority patent/US4142800A/en
Priority to JP51151855A priority patent/JPS5276938A/ja
Priority to IT70018/76A priority patent/IT1071953B/it
Publication of FR2335828A1 publication Critical patent/FR2335828A1/fr
Application granted granted Critical
Publication of FR2335828B1 publication Critical patent/FR2335828B1/fr
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
    • G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
    • G01C5/02—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels involving automatic stabilisation of the line of sight

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Telescopes (AREA)
  • Mounting And Adjusting Of Optical Elements (AREA)
FR7538828A 1975-12-18 1975-12-18 Niveau automatique Granted FR2335828A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7538828A FR2335828A1 (fr) 1975-12-18 1975-12-18 Niveau automatique
DE2649135A DE2649135C3 (de) 1975-12-18 1976-10-28 Automatisches Nivelliergerät
US05/751,037 US4142800A (en) 1975-12-18 1976-12-16 Automatic level
JP51151855A JPS5276938A (en) 1975-12-18 1976-12-17 Automatic level provided with assembly for compensation* erect image correction and focal point matching
IT70018/76A IT1071953B (it) 1975-12-18 1976-12-17 Livello automatico

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7538828A FR2335828A1 (fr) 1975-12-18 1975-12-18 Niveau automatique

Publications (2)

Publication Number Publication Date
FR2335828A1 true FR2335828A1 (fr) 1977-07-15
FR2335828B1 FR2335828B1 (fr) 1978-06-23

Family

ID=9163903

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7538828A Granted FR2335828A1 (fr) 1975-12-18 1975-12-18 Niveau automatique

Country Status (5)

Country Link
US (1) US4142800A (fr)
JP (1) JPS5276938A (fr)
DE (1) DE2649135C3 (fr)
FR (1) FR2335828A1 (fr)
IT (1) IT1071953B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0185363A2 (fr) * 1984-09-14 1986-06-25 Asahi Precision Co., Ltd. Compensateur automatique pour l'erreur de collimation due à des inclinaisons selon deux directions dans un instrument topographique

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59106010U (ja) * 1982-12-30 1984-07-17 株式会社ワ−ルド測機 測量用自動レベル
JPH0342333Y2 (fr) * 1984-12-18 1991-09-05
JPH0458216A (ja) * 1990-06-28 1992-02-25 Sanpei Goto 光軸転向式正立プリズム
EP0586769B1 (fr) * 1992-09-07 1997-04-23 Gretag Imaging Ag Système formant l'image

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA773829A (en) * 1967-12-19 Zapp Walter Viewing device
US2638032A (en) * 1951-05-05 1953-05-12 Bausch & Lomb Telescope having prism movable for focusing
US2981141A (en) * 1957-01-16 1961-04-25 Hilger & Watts Ltd Optical compensator and tilt detector
GB878463A (en) * 1957-05-27 1961-09-27 Magyar Optikai Muevek Improvements in and relating to optical instruments
US3220297A (en) * 1959-02-26 1965-11-30 Keuffel & Esser Co Self compensating telescope level having fixed and pendulum mounted pairs of reflecting surfaces
US3610764A (en) * 1970-08-27 1971-10-05 Zeiss Jena Veb Carl Automatic leveling telescope including a reversible two-sided pendulum mirror and a focusing prism
US3729266A (en) * 1971-06-18 1973-04-24 Hamilton Kent Mfg Co Apparatus for automatically directing and maintaining a beam of electromagnetic radiation relative to earth horizontal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0185363A2 (fr) * 1984-09-14 1986-06-25 Asahi Precision Co., Ltd. Compensateur automatique pour l'erreur de collimation due à des inclinaisons selon deux directions dans un instrument topographique
EP0185363A3 (fr) * 1984-09-14 1988-07-27 Asahi Precision Co., Ltd. Compensateur automatique pour l'erreur de collimation due à des inclinaisons selon deux directions dans un instrument topographique

Also Published As

Publication number Publication date
DE2649135B2 (de) 1978-07-20
JPS5276938A (en) 1977-06-28
IT1071953B (it) 1985-04-10
DE2649135A1 (de) 1977-06-30
FR2335828B1 (fr) 1978-06-23
US4142800A (en) 1979-03-06
DE2649135C3 (de) 1979-04-05

Similar Documents

Publication Publication Date Title
NL7515113A (nl) Automatische bijvulinrichting.
AT363881B (de) Automatischer sperrschieber
DK151651C (da) Automatisk pilot
BR7603276A (pt) Torno-revolver automatico
BR7603525A (pt) Torno-revolver automatico
IT1037390B (it) Viscosimento automatico
BE855435A (fr) Pistolet automatique
FR2335907A1 (fr) Electrophone automatique
NL7404619A (nl) Automatische co2-gehaltemeter.
NL7603349A (nl) Automatische besproeiingsinrichting.
FR2335828A1 (fr) Niveau automatique
FR2344293A1 (fr) Sterilisateur automatique
AT373072B (de) Wasserwaage
NL7601429A (nl) Automatische galvaniseerinrichting.
BE841371Q (fr) Fusil automatique
BE841939Q (fr) Abreuvoir a niveau constant
ES205375Y (es) Flotador automatico.
BE846489A (fr) Interrupteur automatique
RO74862A (fr) Radiocompas automatique
PT67112A (fr) Vanne automatique
SE7607305L (sv) Forseljningsautomat
ES217856Y (es) Bebedero automatico.
IT1061887B (it) Tornio automatico
ES215251Y (es) Nidal automatico.
ES210411Y (es) Burlete automatico.

Legal Events

Date Code Title Description
ST Notification of lapse