NO136433B - - Google Patents
Download PDFInfo
- Publication number
- NO136433B NO136433B NO2077/73A NO207773A NO136433B NO 136433 B NO136433 B NO 136433B NO 2077/73 A NO2077/73 A NO 2077/73A NO 207773 A NO207773 A NO 207773A NO 136433 B NO136433 B NO 136433B
- Authority
- NO
- Norway
- Prior art keywords
- lens
- reproduction
- focal length
- curvature
- optical elements
- Prior art date
Links
- 230000005499 meniscus Effects 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 8
- 230000003595 spectral effect Effects 0.000 claims description 2
- 239000005304 optical glass Substances 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/24—Optical objectives specially designed for the purposes specified below for reproducing or copying at short object distances
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS396172A CS156341B1 (de) | 1972-06-08 | 1972-06-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO136433B true NO136433B (de) | 1977-05-23 |
| NO136433C NO136433C (no) | 1977-08-31 |
Family
ID=5381187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO2077/73A NO136433C (no) | 1972-06-08 | 1973-05-21 | Reproduksjonsobjektiv. |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3854798A (de) |
| JP (1) | JPS4957837A (de) |
| AT (1) | AT326384B (de) |
| CS (1) | CS156341B1 (de) |
| DE (1) | DE2325488C3 (de) |
| DK (1) | DK137937B (de) |
| FI (1) | FI60451C (de) |
| FR (1) | FR2188176B3 (de) |
| GB (1) | GB1410733A (de) |
| IT (1) | IT986125B (de) |
| NO (1) | NO136433C (de) |
| SE (1) | SE7307243L (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2859418B2 (ja) * | 1990-10-12 | 1999-02-17 | 旭光学工業株式会社 | 複写用レンズ |
| CN110716285A (zh) * | 2019-10-13 | 2020-01-21 | 陈军辉 | 一种家庭投影仪镜头 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1987878A (en) * | 1933-10-13 | 1935-01-15 | Tronnier Albrecht Wilhelm | Photographic objective |
-
1972
- 1972-06-08 CS CS396172A patent/CS156341B1/cs unknown
-
1973
- 1973-05-17 GB GB2364673A patent/GB1410733A/en not_active Expired
- 1973-05-19 DE DE2325488A patent/DE2325488C3/de not_active Expired
- 1973-05-21 NO NO2077/73A patent/NO136433C/no unknown
- 1973-05-23 SE SE7307243A patent/SE7307243L/sv unknown
- 1973-06-06 FI FI1832/73A patent/FI60451C/fi active
- 1973-06-06 DK DK310673AA patent/DK137937B/da not_active IP Right Cessation
- 1973-06-07 US US00367848A patent/US3854798A/en not_active Expired - Lifetime
- 1973-06-07 IT IT50522/73A patent/IT986125B/it active
- 1973-06-07 JP JP48064315A patent/JPS4957837A/ja active Pending
- 1973-06-08 AT AT511373A patent/AT326384B/de active
- 1973-06-08 FR FR7321016A patent/FR2188176B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DK137937C (de) | 1978-11-06 |
| FI60451B (fi) | 1981-09-30 |
| FR2188176B3 (de) | 1976-05-28 |
| CS156341B1 (de) | 1974-07-24 |
| DK137937B (da) | 1978-06-05 |
| DE2325488B2 (de) | 1975-02-27 |
| FI60451C (fi) | 1982-01-11 |
| IT986125B (it) | 1975-01-20 |
| ATA511373A (de) | 1975-02-15 |
| US3854798A (en) | 1974-12-17 |
| SE7307243L (de) | 1973-12-10 |
| NO136433C (no) | 1977-08-31 |
| FR2188176A1 (de) | 1974-01-18 |
| DE2325488C3 (de) | 1975-10-16 |
| AT326384B (de) | 1975-12-10 |
| DE2325488A1 (de) | 1973-12-13 |
| JPS4957837A (de) | 1974-06-05 |
| GB1410733A (en) | 1975-10-22 |
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