FR821611A - Perfectionnements aux lentilles, miroirs et analogues asphériques et autres appareils optiques de précision - Google Patents
Perfectionnements aux lentilles, miroirs et analogues asphériques et autres appareils optiques de précisionInfo
- Publication number
- FR821611A FR821611A FR821611DA FR821611A FR 821611 A FR821611 A FR 821611A FR 821611D A FR821611D A FR 821611DA FR 821611 A FR821611 A FR 821611A
- Authority
- FR
- France
- Prior art keywords
- analogs
- mirrors
- optical devices
- precision optical
- aspheric lenses
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00019—Production of simple or compound lenses with non-spherical faces, e.g. toric faces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00269—Fresnel lenses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00932—Combined cutting and grinding thereof
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB821611X | 1936-05-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR821611A true FR821611A (fr) | 1937-12-09 |
Family
ID=10530805
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR821611D Expired FR821611A (fr) | 1936-05-07 | 1937-05-07 | Perfectionnements aux lentilles, miroirs et analogues asphériques et autres appareils optiques de précision |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR821611A (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4368951A (en) * | 1980-01-07 | 1983-01-18 | Blom C James | Method of making a mold for a segmented mirror |
FR2538128A1 (fr) * | 1982-12-17 | 1984-06-22 | Blom James | Miroir segmente, retroviseur de vehicule, lentille et procede de formation d'une multitude de surfaces de contour irregulier sur un support |
US4770824A (en) * | 1980-01-07 | 1988-09-13 | Roxor Corporation | Process of making a casting die for forming a segmented mirror |
-
1937
- 1937-05-07 FR FR821611D patent/FR821611A/fr not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4368951A (en) * | 1980-01-07 | 1983-01-18 | Blom C James | Method of making a mold for a segmented mirror |
US4770824A (en) * | 1980-01-07 | 1988-09-13 | Roxor Corporation | Process of making a casting die for forming a segmented mirror |
FR2538128A1 (fr) * | 1982-12-17 | 1984-06-22 | Blom James | Miroir segmente, retroviseur de vehicule, lentille et procede de formation d'une multitude de surfaces de contour irregulier sur un support |
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