FR2318433B2 - - Google Patents
Info
- Publication number
- FR2318433B2 FR2318433B2 FR7522329A FR7522329A FR2318433B2 FR 2318433 B2 FR2318433 B2 FR 2318433B2 FR 7522329 A FR7522329 A FR 7522329A FR 7522329 A FR7522329 A FR 7522329A FR 2318433 B2 FR2318433 B2 FR 2318433B2
- 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.)
- Expired
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
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
- A42B3/0406—Accessories for helmets
- A42B3/042—Optical devices
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
- A42B3/0406—Accessories for helmets
- A42B3/042—Optical devices
- A42B3/0426—Rear view devices or the like
-
- 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
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0143—Head-up displays characterised by optical features the two eyes not being equipped with identical nor symmetrical optical devices
-
- 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
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7522329A FR2318433A2 (fr) | 1975-07-17 | 1975-07-17 | Casque a vision arriere |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7522329A FR2318433A2 (fr) | 1975-07-17 | 1975-07-17 | Casque a vision arriere |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2318433A2 FR2318433A2 (fr) | 1977-02-11 |
FR2318433B2 true FR2318433B2 (enrdf_load_stackoverflow) | 1979-03-16 |
Family
ID=9158005
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7522329A Granted FR2318433A2 (fr) | 1975-07-17 | 1975-07-17 | Casque a vision arriere |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2318433A2 (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1135781B (it) * | 1981-04-17 | 1986-08-27 | Pier Luigi Nava | Dispositivo retrovisore applicabile a caschi e simili |
-
1975
- 1975-07-17 FR FR7522329A patent/FR2318433A2/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2318433A2 (fr) | 1977-02-11 |