FR1192262A - Leveling instrument with automatic compensation for low inclines - Google Patents
Leveling instrument with automatic compensation for low inclinesInfo
- Publication number
- FR1192262A FR1192262A FR1192262DA FR1192262A FR 1192262 A FR1192262 A FR 1192262A FR 1192262D A FR1192262D A FR 1192262DA FR 1192262 A FR1192262 A FR 1192262A
- Authority
- FR
- France
- Prior art keywords
- automatic compensation
- leveling instrument
- inclines
- low
- low inclines
- 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
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
- G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake
- G02B27/648—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake for automatically maintaining a reference alignment, e.g. in self-levelling surveying instruments
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Telescopes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201304T | 1956-11-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1192262A true FR1192262A (en) | 1959-10-26 |
Family
ID=29556511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1192262D Expired FR1192262A (en) | 1956-11-02 | 1957-11-04 | Leveling instrument with automatic compensation for low inclines |
Country Status (4)
Country | Link |
---|---|
US (1) | US2959088A (en) |
AT (1) | AT201304B (en) |
FR (1) | FR1192262A (en) |
GB (1) | GB844964A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2472815A1 (en) * | 1979-12-28 | 1981-07-03 | Sopelem | Stabilising mechanism for optical sighting system - includes magnetic damping minimising oscillation of mirrors in two perpendicular directions |
Families Citing this family (49)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1029577B (en) * | 1954-11-24 | 1958-05-08 | Ertel Werk Feinmechanik | Self-weighing level |
US2997912A (en) * | 1958-04-24 | 1961-08-29 | Mikic Vasilije | Self-leveling surveying instruments |
US3378326A (en) * | 1963-09-12 | 1968-04-16 | Bell & Howell Co | Gyroscopically controlled accidental motion compensator for optical instruments |
US3253525A (en) * | 1964-01-03 | 1966-05-31 | Gen Precision Inc | Variable optical wedge |
US3409350A (en) * | 1965-07-12 | 1968-11-05 | Bell & Howell Co | Lens stabilization system |
US3424523A (en) * | 1965-10-24 | 1969-01-28 | Bell & Howell Co | Motion picture camera having a rotating gyroscopically stabilized lens and a variable erection rate means |
US3424520A (en) * | 1965-10-24 | 1969-01-28 | Bell & Howell Co | Precession inhibitor |
US3577205A (en) * | 1965-11-19 | 1971-05-04 | Itek Corp | Automatic image motion stabilization system |
US3434771A (en) * | 1966-05-11 | 1969-03-25 | Bell & Howell Co | Gyroscopic lens |
US3468595A (en) * | 1966-08-29 | 1969-09-23 | Optical Res & Dev Corp | Optical stabilization by reflecting means |
US3514179A (en) * | 1966-09-12 | 1970-05-26 | Bell & Howell Co | Stabilized optical system and method of stabilizing images |
US3437396A (en) * | 1966-09-14 | 1969-04-08 | Optical Res & Dev Corp | Optical stabilization with roof mirror |
US3437397A (en) * | 1966-09-14 | 1969-04-08 | Optical Res & Dev Corp | Double-mirror system for optical stabilization |
US3475073A (en) * | 1966-11-07 | 1969-10-28 | Optical Res & Dev Corp | Accidental-motion compensation by triple reflection |
US3504957A (en) * | 1967-08-08 | 1970-04-07 | Trw Inc | Optical stabilized telescope arrangement |
GB1232296A (en) * | 1967-09-30 | 1971-05-19 | ||
US3608997A (en) * | 1968-09-04 | 1971-09-28 | Optigon Res & Dev Corp | Focal plane stabilization system |
US3531176A (en) * | 1968-09-04 | 1970-09-29 | Optical Res & Dev Corp | Multiple telescope stabilizing optical system |
US3942862A (en) * | 1970-12-28 | 1976-03-09 | Canon Kabushiki Kaisha | Image stabilizing optical system having a variable prism |
US3953106A (en) * | 1970-12-28 | 1976-04-27 | Canon Kabushiki Kaisha | Image stabilizing optical system |
US3856409A (en) * | 1973-05-09 | 1974-12-24 | Kca Laser Syst | Laser alignment device |
JPS5311381B2 (en) * | 1973-05-18 | 1978-04-21 | ||
US3936197A (en) * | 1974-05-06 | 1976-02-03 | Laser Alignment, Inc. | Self-leveling laser assembly |
US4718170A (en) * | 1986-09-18 | 1988-01-12 | The Texacone Company | Apparatus and means for vertically aligning a hollow cylinder |
JPH0721411B2 (en) * | 1987-01-20 | 1995-03-08 | 株式会社ソキア | Optical leveling device |
JPH02239220A (en) * | 1989-03-14 | 1990-09-21 | Canon Inc | Vibrationproof optical system |
US4998809A (en) * | 1989-03-11 | 1991-03-12 | Canon Kabushiki Kaisha | Image-stabilizing optical device |
JP2605393B2 (en) * | 1989-03-11 | 1997-04-30 | キヤノン株式会社 | Anti-vibration optics |
US5272814A (en) * | 1989-04-14 | 1993-12-28 | Key Bruce G | Device for defining a horizontal plane |
DE69032448T2 (en) * | 1989-04-28 | 1998-12-24 | Canon K.K., Tokio/Tokyo | Image stabilization device |
US5243462A (en) * | 1989-04-28 | 1993-09-07 | Canon Kabushiki Kaisha | Image stabilizing apparatus |
JP3192414B2 (en) * | 1990-05-31 | 2001-07-30 | キヤノン株式会社 | Image blur prevention device and camera |
EP0697614A2 (en) * | 1991-03-22 | 1996-02-21 | Nikon Corporation | Optical apparatus for correcting image deviation |
JPH04340938A (en) * | 1991-05-17 | 1992-11-27 | Canon Inc | Image blurring preventing device |
US5521758A (en) * | 1992-06-19 | 1996-05-28 | Canon Kabushiki Kaisha | Variable-magnification optical system capable of image stabilization |
US5459932A (en) * | 1993-08-27 | 1995-10-24 | Levelite Technology, Inc. | Automatic level and plumb tool |
JP3072815B2 (en) * | 1993-10-08 | 2000-08-07 | キヤノン株式会社 | Variable power optical system |
DE69423430T2 (en) | 1993-12-02 | 2000-09-07 | Canon K.K., Tokio/Tokyo | Image tremor correction device |
US5825415A (en) * | 1993-12-17 | 1998-10-20 | Canon Kabushiki Kaisha | Electronic image-movement correcting device with a variable correction step feature |
US5617202A (en) * | 1994-05-24 | 1997-04-01 | Levelite Technology, Inc. | Diode laser co-linear and intersecting light beam generator |
US6046768A (en) * | 1994-06-15 | 2000-04-04 | Canon Kabushiki Kaisha | Apparatus used for image blur prevention |
JP3450449B2 (en) * | 1994-07-18 | 2003-09-22 | キヤノン株式会社 | Imaging device and imaging method thereof |
US6542304B2 (en) | 1999-05-17 | 2003-04-01 | Toolz, Ltd. | Laser beam device with apertured reflective element |
US7181854B2 (en) | 2004-08-17 | 2007-02-27 | Eastway Fair Company Limited | Laser leveling device having a suction mounting arrangement |
US20080052926A1 (en) * | 2006-09-05 | 2008-03-06 | Eastway Fair Company Limited | Gravity dial level indicator for line generator |
US20080052927A1 (en) * | 2006-09-05 | 2008-03-06 | Eastway Fair Company Limited | Self-leveling line generator |
US7591075B2 (en) | 2006-09-28 | 2009-09-22 | Techtronic Power Tools Technology Limited | Self-leveling mechanism |
US8015717B2 (en) * | 2008-11-05 | 2011-09-13 | The Boeing Company | Variable shaft sizing for measurement targets |
US7841094B2 (en) * | 2009-01-27 | 2010-11-30 | Trimble Kaiserslautern Gmbh | Optical instrument with angle indicator and method for operating the same |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2505819A (en) * | 1945-07-26 | 1950-05-02 | Sperry Corp | Panoramic sextant having stabilized reticle |
US2679181A (en) * | 1949-07-28 | 1954-05-25 | Keuffel & Esser Co | Optical plummet |
US2633050A (en) * | 1949-10-01 | 1953-03-31 | Keuffel & Esser Co | Optical plummet |
US2779231A (en) * | 1949-11-09 | 1957-01-29 | Zeiss Carl | Device for determining small inclinations from the vertical or horizontal |
FR1074173A (en) * | 1953-02-12 | 1954-10-04 | Soc Optique Mec Haute Prec | Observation and control device |
US2741940A (en) * | 1953-02-20 | 1956-04-17 | Zeiss Carl | Telescope |
-
1957
- 1957-10-21 AT AT201304D patent/AT201304B/en active
- 1957-10-29 US US693209A patent/US2959088A/en not_active Expired - Lifetime
- 1957-11-04 FR FR1192262D patent/FR1192262A/en not_active Expired
- 1957-11-04 GB GB34280/57A patent/GB844964A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2472815A1 (en) * | 1979-12-28 | 1981-07-03 | Sopelem | Stabilising mechanism for optical sighting system - includes magnetic damping minimising oscillation of mirrors in two perpendicular directions |
Also Published As
Publication number | Publication date |
---|---|
GB844964A (en) | 1960-08-17 |
US2959088A (en) | 1960-11-08 |
AT201304B (en) | 1958-12-27 |
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