JPS4826150A - - Google Patents
Info
- Publication number
- JPS4826150A JPS4826150A JP7985172A JP7985172A JPS4826150A JP S4826150 A JPS4826150 A JP S4826150A JP 7985172 A JP7985172 A JP 7985172A JP 7985172 A JP7985172 A JP 7985172A JP S4826150 A JPS4826150 A JP S4826150A
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
- G02B3/04—Simple or compound lenses with non-spherical faces with continuous faces that are rotationally symmetrical but deviate from a true sphere, e.g. so called "aspheric" 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
- B29D11/00009—Production of simple or compound lenses
- B29D11/00019—Production of simple or compound lenses with non-spherical faces, e.g. toric faces
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Prostheses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3735471 | 1971-08-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4826150A true JPS4826150A (US20020051482A1-20020502-M00020.png) | 1973-04-05 |
| JPS5644401B2 JPS5644401B2 (US20020051482A1-20020502-M00020.png) | 1981-10-19 |
Family
ID=10395827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7985172A Expired JPS5644401B2 (US20020051482A1-20020502-M00020.png) | 1971-08-09 | 1972-08-09 |
Country Status (4)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5269978A (en) * | 1991-03-06 | 1993-12-14 | Canon Kabushiki Kaisha | Method of manufacturing optical element |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1985000060A1 (en) * | 1983-06-15 | 1985-01-03 | Neal Keith Jones | Thin plastic corrector lenses for optical systems |
| EP0234632B1 (en) * | 1986-02-13 | 1991-01-16 | Koninklijke Philips Electronics N.V. | Matrix for use in a replica process |
| JPH0425766Y2 (US20020051482A1-20020502-M00020.png) * | 1988-07-18 | 1992-06-22 | ||
| JPH07191207A (ja) * | 1993-11-17 | 1995-07-28 | Asahi Optical Co Ltd | 反射型複合光学素子 |
| RU2179295C1 (ru) * | 2000-08-22 | 2002-02-10 | Айриян Юрий Аршакович | Способ наведения, устройство системы наведения, устройство ее носителя визуализируемой информации, а также устройство ее ориентации и способ изготовления элемента ее визирной части |
-
1971
- 1971-08-09 GB GB1343164D patent/GB1343164A/en not_active Expired
-
1972
- 1972-08-08 DE DE19722238970 patent/DE2238970A1/de not_active Withdrawn
- 1972-08-09 JP JP7985172A patent/JPS5644401B2/ja not_active Expired
- 1972-08-09 FR FR7228702A patent/FR2148557B1/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5269978A (en) * | 1991-03-06 | 1993-12-14 | Canon Kabushiki Kaisha | Method of manufacturing optical element |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1343164A (en) | 1974-01-10 |
| DE2238970A1 (de) | 1973-02-22 |
| FR2148557A1 (US20020051482A1-20020502-M00020.png) | 1973-03-23 |
| JPS5644401B2 (US20020051482A1-20020502-M00020.png) | 1981-10-19 |
| FR2148557B1 (US20020051482A1-20020502-M00020.png) | 1976-03-12 |
