FR2313690A1 - PERFECTED OPTICAL APPARATUS FOR BINOCULAR VISION - Google Patents
PERFECTED OPTICAL APPARATUS FOR BINOCULAR VISIONInfo
- Publication number
- FR2313690A1 FR2313690A1 FR7617056A FR7617056A FR2313690A1 FR 2313690 A1 FR2313690 A1 FR 2313690A1 FR 7617056 A FR7617056 A FR 7617056A FR 7617056 A FR7617056 A FR 7617056A FR 2313690 A1 FR2313690 A1 FR 2313690A1
- Authority
- FR
- France
- Prior art keywords
- optical apparatus
- binocular vision
- perfected
- perfected optical
- binocular
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
- G02B23/04—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors for the purpose of beam splitting or combining, e.g. fitted with eyepieces for more than one observer
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2465475A GB1506614A (en) | 1975-06-07 | 1975-06-07 | Optical systems |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2313690A1 true FR2313690A1 (en) | 1976-12-31 |
Family
ID=10215138
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7617056A Withdrawn FR2313690A1 (en) | 1975-06-07 | 1976-06-04 | PERFECTED OPTICAL APPARATUS FOR BINOCULAR VISION |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2624446A1 (en) |
FR (1) | FR2313690A1 (en) |
GB (1) | GB1506614A (en) |
NL (1) | NL7605948A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2470396A1 (en) * | 1979-11-22 | 1981-05-29 | Pilkington Brothers Ltd | IMPROVED OPTICAL APPARATUS FOR BINOCULAR VISION |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4322135A (en) | 1978-11-29 | 1982-03-30 | Pilkington P. E. Limited | Optical apparatus |
DE3833104A1 (en) * | 1988-09-29 | 1990-04-05 | Hauck Gmbh | Beam-guiding element |
-
1975
- 1975-06-07 GB GB2465475A patent/GB1506614A/en not_active Expired
-
1976
- 1976-06-01 DE DE19762624446 patent/DE2624446A1/en not_active Withdrawn
- 1976-06-02 NL NL7605948A patent/NL7605948A/en not_active Application Discontinuation
- 1976-06-04 FR FR7617056A patent/FR2313690A1/en not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2470396A1 (en) * | 1979-11-22 | 1981-05-29 | Pilkington Brothers Ltd | IMPROVED OPTICAL APPARATUS FOR BINOCULAR VISION |
Also Published As
Publication number | Publication date |
---|---|
DE2624446A1 (en) | 1976-12-16 |
GB1506614A (en) | 1978-04-05 |
NL7605948A (en) | 1976-12-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |