DD107207A5 - - Google Patents
Info
- Publication number
- DD107207A5 DD107207A5 DD17323573A DD17323573A DD107207A5 DD 107207 A5 DD107207 A5 DD 107207A5 DD 17323573 A DD17323573 A DD 17323573A DD 17323573 A DD17323573 A DD 17323573A DD 107207 A5 DD107207 A5 DD 107207A5
- Authority
- DD
- German Democratic Republic
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
- G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/04—Eye-masks ; Devices to be worn on the face, not intended for looking through; Eye-pads for sunbathing
- A61F9/06—Masks, shields or hoods for welders
- A61F9/065—Masks, shields or hoods for welders use of particular optical filters
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
- G02C7/107—Interference colour filters
Landscapes
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Optical Filters (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE11402/72A SE366207B (enrdf_load_stackoverflow) | 1972-09-04 | 1972-09-04 | |
| SE7303463A SE384789B (sv) | 1973-03-13 | 1973-03-13 | Skyddsglas for svetsningsarbete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD107207A5 true DD107207A5 (enrdf_load_stackoverflow) | 1974-07-20 |
Family
ID=26655830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD17323573A DD107207A5 (enrdf_load_stackoverflow) | 1972-09-04 | 1973-09-03 |
Country Status (11)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4169655A (en) * | 1974-03-14 | 1979-10-02 | Aga Aktiebolag | Protective device for protection against radiation during welding |
| AU581970B2 (en) * | 1986-03-05 | 1989-03-09 | Helen L. Irlen | Method and apparatus of treatment of symptoms of perceptual impairments |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR951491A (fr) * | 1939-12-07 | 1949-10-26 | Jenaer Glaswerk Schott & Gen | Filtre de lumière à interférence |
| US3756703A (en) * | 1971-12-29 | 1973-09-04 | R Nelson | Sunglasses containing embedded louver means |
-
1973
- 1973-08-28 GB GB4045973A patent/GB1446734A/en not_active Expired
- 1973-08-30 AU AU59821/73A patent/AU473259B2/en not_active Expired
- 1973-08-31 CA CA180,114A patent/CA989216A/en not_active Expired
- 1973-09-03 DD DD17323573A patent/DD107207A5/xx unknown
- 1973-09-03 DE DE19732344283 patent/DE2344283A1/de active Pending
- 1973-09-03 FR FR7331763A patent/FR2197564B1/fr not_active Expired
- 1973-09-03 JP JP9836173A patent/JPS4986241A/ja active Pending
- 1973-09-03 NL NL7312110A patent/NL7312110A/xx not_active Application Discontinuation
- 1973-09-04 PL PL16501973A patent/PL86968B1/pl unknown
- 1973-09-04 CH CH1270573A patent/CH559037A5/xx not_active IP Right Cessation
- 1973-09-04 DK DK485073A patent/DK131019B/da unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4986241A (enrdf_load_stackoverflow) | 1974-08-19 |
| NL7312110A (enrdf_load_stackoverflow) | 1974-03-06 |
| PL86968B1 (en) | 1976-06-30 |
| GB1446734A (en) | 1976-08-18 |
| FR2197564A1 (enrdf_load_stackoverflow) | 1974-03-29 |
| DE2344283A1 (de) | 1974-03-21 |
| CH559037A5 (enrdf_load_stackoverflow) | 1975-02-28 |
| CA989216A (en) | 1976-05-18 |
| AU473259B2 (en) | 1976-06-17 |
| AU5982173A (en) | 1975-03-06 |
| DK131019C (enrdf_load_stackoverflow) | 1975-10-20 |
| FR2197564B1 (enrdf_load_stackoverflow) | 1978-01-06 |
| DK131019B (da) | 1975-05-20 |