GB904372A - Improvements in or relating to anti-dazzle devices - Google Patents
Improvements in or relating to anti-dazzle devicesInfo
- Publication number
- GB904372A GB904372A GB1899559A GB1899559A GB904372A GB 904372 A GB904372 A GB 904372A GB 1899559 A GB1899559 A GB 1899559A GB 1899559 A GB1899559 A GB 1899559A GB 904372 A GB904372 A GB 904372A
- Authority
- GB
- United Kingdom
- Prior art keywords
- layers
- relating
- clear
- eyepiece
- devices
- 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
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/16—Shades; shields; Obturators, e.g. with pinhole, with slot
Landscapes
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Helmets And Other Head Coverings (AREA)
Abstract
904,372. Antidazzle devices. ARMITAGE, L. R. May 18, 1960 [June 3, 1959], No. 18995/59. Class 97 (1). An antidazzle device, for example the spectacles shown, comprises an eyepiece having a clear lower portion 1a and an upper portion 1 extending to the upper boundary of the eyepiece and formed of alternately clear and opaque layers, the interfaces between the layers being arranged so as to provide a line of sight through the clear layers. A screw 6 with a nosepiece 5 is provided for varying the position of the eyepieces on the wearer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1899559A GB904372A (en) | 1959-06-03 | 1959-06-03 | Improvements in or relating to anti-dazzle devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1899559A GB904372A (en) | 1959-06-03 | 1959-06-03 | Improvements in or relating to anti-dazzle devices |
Publications (1)
Publication Number | Publication Date |
---|---|
GB904372A true GB904372A (en) | 1962-08-29 |
Family
ID=10121982
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1899559A Expired GB904372A (en) | 1959-06-03 | 1959-06-03 | Improvements in or relating to anti-dazzle devices |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB904372A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3791722A (en) * | 1972-01-12 | 1974-02-12 | Minnesota Mining & Mfg | Lenses |
FR2395743A1 (en) * | 1977-06-28 | 1979-01-26 | Bizzarri Alfredo | INTERCHANGEABLE GLASSES DEVICE WITH ANTI-GLAZING EFFECT, AND FOR OTHER USES |
-
1959
- 1959-06-03 GB GB1899559A patent/GB904372A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3791722A (en) * | 1972-01-12 | 1974-02-12 | Minnesota Mining & Mfg | Lenses |
FR2395743A1 (en) * | 1977-06-28 | 1979-01-26 | Bizzarri Alfredo | INTERCHANGEABLE GLASSES DEVICE WITH ANTI-GLAZING EFFECT, AND FOR OTHER USES |
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