FR2262254A1 - - Google Patents
Info
- Publication number
- FR2262254A1 FR2262254A1 FR7505561A FR7505561A FR2262254A1 FR 2262254 A1 FR2262254 A1 FR 2262254A1 FR 7505561 A FR7505561 A FR 7505561A FR 7505561 A FR7505561 A FR 7505561A FR 2262254 A1 FR2262254 A1 FR 2262254A1
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
-
- 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
- G02B27/30—Collimators
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US446195A US3887282A (en) | 1974-02-22 | 1974-02-22 | Concave conic reflector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2262254A1 true FR2262254A1 (forum.php) | 1975-09-19 |
Family
ID=23771667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7505561A Withdrawn FR2262254A1 (forum.php) | 1974-02-22 | 1975-02-21 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3887282A (forum.php) |
| JP (1) | JPS50120356A (forum.php) |
| BR (1) | BR7501015A (forum.php) |
| DE (1) | DE2502372A1 (forum.php) |
| FR (1) | FR2262254A1 (forum.php) |
| ZA (1) | ZA75450B (forum.php) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4678329A (en) * | 1985-10-18 | 1987-07-07 | Calspan Corporation | Automatically guided vehicle control system |
| US4684247A (en) * | 1985-10-18 | 1987-08-04 | Calspan Corporation | Target member for use in a positioning system |
| US6539638B1 (en) | 2000-04-27 | 2003-04-01 | Victor Pelletier | Line projecting device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2493430A (en) * | 1946-04-26 | 1950-01-03 | Jr Robert E Ward | Apparatus having conical reflector for projecting magnified images |
| US2686866A (en) * | 1949-12-20 | 1954-08-17 | Duro Test Corp | Color mixing lighting apparatus |
| BE639563A (forum.php) * | 1962-11-05 | |||
| US3551061A (en) * | 1967-07-26 | 1970-12-29 | Textron Inc | Instrument for and method of optical work inspection |
-
1974
- 1974-02-22 US US446195A patent/US3887282A/en not_active Expired - Lifetime
-
1975
- 1975-01-22 ZA ZA00750450A patent/ZA75450B/xx unknown
- 1975-01-22 DE DE19752502372 patent/DE2502372A1/de active Pending
- 1975-02-13 JP JP50017555A patent/JPS50120356A/ja active Pending
- 1975-02-19 BR BR1015/75A patent/BR7501015A/pt unknown
- 1975-02-21 FR FR7505561A patent/FR2262254A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| US3887282A (en) | 1975-06-03 |
| JPS50120356A (forum.php) | 1975-09-20 |
| BR7501015A (pt) | 1975-12-02 |
| DE2502372A1 (de) | 1975-08-28 |
| ZA75450B (en) | 1976-01-28 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |