NL7206397A - - Google Patents
Info
- Publication number
- NL7206397A NL7206397A NL7206397A NL7206397A NL7206397A NL 7206397 A NL7206397 A NL 7206397A NL 7206397 A NL7206397 A NL 7206397A NL 7206397 A NL7206397 A NL 7206397A NL 7206397 A NL7206397 A NL 7206397A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/34—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only
-
- 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 |
|---|---|---|---|
| US14337271A | 1971-05-14 | 1971-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7206397A true NL7206397A (de) | 1972-11-16 |
Family
ID=22503787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7206397A NL7206397A (de) | 1971-05-14 | 1972-05-12 |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US3672748A (de) |
| JP (1) | JPS5542724B2 (de) |
| AT (1) | AT322874B (de) |
| AU (1) | AU467299B2 (de) |
| BE (1) | BE783478A (de) |
| CA (1) | CA960495A (de) |
| CH (1) | CH544315A (de) |
| DE (1) | DE2223349C3 (de) |
| ES (1) | ES402705A1 (de) |
| FR (1) | FR2147923B1 (de) |
| GB (1) | GB1358349A (de) |
| IT (1) | IT955474B (de) |
| NL (1) | NL7206397A (de) |
| SE (1) | SE376490B (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3672748A (en) * | 1971-05-14 | 1972-06-27 | Xerox Corp | Split dagor-type of symmetrical copying lens system |
| JPS5548281B2 (de) * | 1973-03-09 | 1980-12-05 | ||
| US3853387A (en) * | 1973-06-19 | 1974-12-10 | Rank Xerox Ltd | Variable magnification lens assembly having two odd-lenses |
| JPS51120723A (en) * | 1975-04-15 | 1976-10-22 | Olympus Optical Co Ltd | Objective lens for deplicating |
| JPS54622A (en) * | 1977-05-31 | 1979-01-06 | Konishiroku Photo Ind Co Ltd | Copying lens |
| JPS5590930A (en) * | 1978-12-29 | 1980-07-10 | Nippon Kogaku Kk <Nikon> | 4-group constitution lens |
| JPS5738476U (de) * | 1980-08-11 | 1982-03-01 | ||
| JPH01279218A (ja) * | 1988-05-02 | 1989-11-09 | Dainippon Screen Mfg Co Ltd | アポクロマート・レンズ |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1792917A (en) * | 1926-09-28 | 1931-02-17 | Zeiss Carl Fa | Photographic objective |
| US3302991A (en) * | 1963-02-25 | 1967-02-07 | Ednalite Corp | Symmetrical six-element lens system |
| US3439976A (en) * | 1965-10-23 | 1969-04-22 | Minnesota Mining & Mfg | Symmetrical copying lens of the inverse gauss type |
| US3672748A (en) * | 1971-05-14 | 1972-06-27 | Xerox Corp | Split dagor-type of symmetrical copying lens system |
-
1971
- 1971-05-14 US US143372A patent/US3672748A/en not_active Expired - Lifetime
- 1971-08-11 CA CA120,479A patent/CA960495A/en not_active Expired
-
1972
- 1972-05-11 GB GB2205572A patent/GB1358349A/en not_active Expired
- 1972-05-12 DE DE2223349A patent/DE2223349C3/de not_active Expired
- 1972-05-12 CH CH708672A patent/CH544315A/de not_active IP Right Cessation
- 1972-05-12 FR FR7217534A patent/FR2147923B1/fr not_active Expired
- 1972-05-12 NL NL7206397A patent/NL7206397A/xx unknown
- 1972-05-12 AU AU42253/72A patent/AU467299B2/en not_active Expired
- 1972-05-12 AT AT418772A patent/AT322874B/de not_active IP Right Cessation
- 1972-05-12 SE SE7206274A patent/SE376490B/xx unknown
- 1972-05-13 JP JP7247596A patent/JPS5542724B2/ja not_active Expired
- 1972-05-13 IT IT24295/72A patent/IT955474B/it active
- 1972-05-13 ES ES402705A patent/ES402705A1/es not_active Expired
- 1972-05-15 BE BE783478A patent/BE783478A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AT322874B (de) | 1975-06-10 |
| US3672748A (en) | 1972-06-27 |
| JPS4849429A (de) | 1973-07-12 |
| DE2223349B2 (de) | 1977-09-29 |
| BE783478A (fr) | 1972-11-16 |
| CA960495A (en) | 1975-01-07 |
| JPS5542724B2 (de) | 1980-11-01 |
| ES402705A1 (es) | 1975-04-01 |
| AU467299B2 (en) | 1975-11-27 |
| IT955474B (it) | 1973-09-29 |
| FR2147923B1 (de) | 1976-08-06 |
| DE2223349C3 (de) | 1978-05-24 |
| GB1358349A (en) | 1974-07-03 |
| DE2223349A1 (de) | 1972-11-30 |
| FR2147923A1 (de) | 1973-03-11 |
| SE376490B (de) | 1975-05-26 |
| CH544315A (de) | 1973-11-15 |
| AU4225372A (en) | 1973-11-15 |