BE741175A - - Google Patents
Info
- Publication number
- BE741175A BE741175A BE741175DA BE741175A BE 741175 A BE741175 A BE 741175A BE 741175D A BE741175D A BE 741175DA BE 741175 A BE741175 A BE 741175A
- Authority
- BE
- Belgium
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
- G02B27/0081—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for altering, e.g. enlarging, the entrance or exit pupil
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/18—Arrangements with more than one light path, e.g. for comparing two specimens
- G02B21/20—Binocular arrangements
- G02B21/22—Stereoscopic arrangements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/36—Microscopes arranged for photographic purposes or projection purposes or digital imaging or video purposes including associated control and data processing arrangements
- G02B21/364—Projection microscopes
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Astronomy & Astrophysics (AREA)
- Microscoopes, Condenser (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Lenses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5913768A GB1275917A (en) | 1968-12-12 | 1968-12-12 | Improvements in high magnification optical apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE741175A true BE741175A (xx) | 1970-04-16 |
Family
ID=10483127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE741175D BE741175A (xx) | 1968-12-12 | 1969-11-03 |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5019936B1 (xx) |
| BE (1) | BE741175A (xx) |
| CH (1) | CH507525A (xx) |
| DE (1) | DE1962223B2 (xx) |
| FR (1) | FR2025931A1 (xx) |
| GB (1) | GB1275917A (xx) |
| IE (1) | IE33592B1 (xx) |
| NL (1) | NL142790B (xx) |
| SE (1) | SE379100B (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4099831A (en) * | 1971-11-29 | 1978-07-11 | Vision Engineering, Ltd. | High magnification optical apparatus with rotatable reflective lenticulated surface |
| GB1586701A (en) * | 1977-01-20 | 1981-03-25 | Vision Eng Ltd | Disc with line transmitters |
| GB8901477D0 (en) * | 1989-01-24 | 1989-03-15 | Vision Eng | Optical instrument |
| US6608720B1 (en) | 1997-06-02 | 2003-08-19 | Robin John Freeman | Optical instrument and optical element thereof |
| GB2464953A (en) * | 2008-10-30 | 2010-05-05 | Vision Eng | Optical instrument comprising an arrangement to increase the exit pupil size. |
-
1968
- 1968-12-12 GB GB5913768A patent/GB1275917A/en not_active Expired
-
1969
- 1969-10-03 IE IE137869A patent/IE33592B1/xx unknown
- 1969-10-07 SE SE1375369A patent/SE379100B/xx unknown
- 1969-11-03 BE BE741175D patent/BE741175A/xx unknown
- 1969-11-06 CH CH1653469A patent/CH507525A/de not_active IP Right Cessation
- 1969-11-20 FR FR6939973A patent/FR2025931A1/fr active Pending
- 1969-12-04 NL NL6918219A patent/NL142790B/xx not_active IP Right Cessation
- 1969-12-09 JP JP9843169A patent/JPS5019936B1/ja active Pending
- 1969-12-11 DE DE19691962223 patent/DE1962223B2/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| NL142790B (nl) | 1974-07-15 |
| DE1962223A1 (de) | 1970-07-09 |
| DE1962223B2 (de) | 1976-01-29 |
| IE33592B1 (en) | 1974-08-21 |
| CH507525A (de) | 1971-05-15 |
| SE379100B (xx) | 1975-09-22 |
| JPS5019936B1 (xx) | 1975-07-10 |
| FR2025931A1 (xx) | 1970-09-11 |
| GB1275917A (en) | 1972-06-01 |
| IE33592L (en) | 1970-06-12 |
| NL6918219A (xx) | 1970-06-16 |