FR2189760A1 - - Google Patents
Info
- Publication number
- FR2189760A1 FR2189760A1 FR7319151A FR7319151A FR2189760A1 FR 2189760 A1 FR2189760 A1 FR 2189760A1 FR 7319151 A FR7319151 A FR 7319151A FR 7319151 A FR7319151 A FR 7319151A FR 2189760 A1 FR2189760 A1 FR 2189760A1
- Authority
- FR
- France
- 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
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
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Optical Elements Other Than Lenses (AREA)
- Measurement Of Optical Distance (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2496172 | 1972-05-26 | ||
| GB246373A GB1394453A (en) | 1972-05-26 | 1973-01-17 | Optical instruments |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2189760A1 true FR2189760A1 (US06623731-20030923-C00012.png) | 1974-01-25 |
| FR2189760B1 FR2189760B1 (US06623731-20030923-C00012.png) | 1976-04-23 |
Family
ID=26237534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7319151A Expired FR2189760B1 (US06623731-20030923-C00012.png) | 1972-05-26 | 1973-05-25 |
Country Status (5)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679629B (zh) * | 2017-01-13 | 2021-03-23 | 西南交通大学 | 一种基于光栅衍射的尺式水平仪及测量斜面倾角的方法 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH673707A5 (US06623731-20030923-C00012.png) * | 1987-07-24 | 1990-03-30 | Kern & Co Ag |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR874021A (fr) * | 1940-07-31 | 1942-07-27 | Niveau topographique à ligne de mire automatiquement horizontale | |
| US2857804A (en) * | 1955-03-04 | 1958-10-28 | Zeiss Carl | Interferometer |
-
1973
- 1973-01-17 GB GB246373A patent/GB1394453A/en not_active Expired
- 1973-05-25 FR FR7319151A patent/FR2189760B1/fr not_active Expired
- 1973-05-25 CH CH759273A patent/CH557545A/xx not_active IP Right Cessation
- 1973-05-26 JP JP5827573A patent/JPS4951975A/ja active Pending
- 1973-05-28 DE DE19732327157 patent/DE2327157A1/de active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR874021A (fr) * | 1940-07-31 | 1942-07-27 | Niveau topographique à ligne de mire automatiquement horizontale | |
| US2857804A (en) * | 1955-03-04 | 1958-10-28 | Zeiss Carl | Interferometer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679629B (zh) * | 2017-01-13 | 2021-03-23 | 西南交通大学 | 一种基于光栅衍射的尺式水平仪及测量斜面倾角的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2189760B1 (US06623731-20030923-C00012.png) | 1976-04-23 |
| GB1394453A (en) | 1975-05-14 |
| CH557545A (de) | 1974-12-31 |
| DE2327157A1 (de) | 1973-12-06 |
| JPS4951975A (US06623731-20030923-C00012.png) | 1974-05-20 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |