GB550645A - Improvements in or relating to optical elements - Google Patents
Improvements in or relating to optical elementsInfo
- Publication number
- GB550645A GB550645A GB868041A GB868041A GB550645A GB 550645 A GB550645 A GB 550645A GB 868041 A GB868041 A GB 868041A GB 868041 A GB868041 A GB 868041A GB 550645 A GB550645 A GB 550645A
- Authority
- GB
- United Kingdom
- Prior art keywords
- plastic
- glass
- lens
- spherical
- gelatinized
- 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
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
-
- 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
- B29D11/0073—Optical laminates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2005/00—Use of polysaccharides or derivatives as moulding material
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Mechanical Engineering (AREA)
- Lens Barrels (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
550,645. Moulding optical elements. PHILIPS LAMPS, Ltd. (Naamlooze Vennootschap Philips' Gloeilampenfabrieken). July 9, 1941, No. 8680. [Class 87 (ii)] [Also in Group XX] A composite optical element comprises a lenticular element made from a plastic mouldable at a low temperature, or from a substance capable of being gelatinized from solution, adhering to a glass or non-plastic inorganic element, and is made by filling the plastic &c. material into a die having the glass &c. element as one boundary ; the plastic material may be applied to one or both sides of the glass element, and adherence may be spontaneous or by the use of an adhesive. The glass element may have plane or spherical surfaces and the exposed surface of the plastic may be aspherical ; the composite element may be a spherical mirror and an adherent corrector for spherical aberration, or may be a supporting plate and corrector at the centre of curvature of a spherical mirror. The Figure shows a polystyrol correction element 9 on a lens 5 mounted in an objective barrel 8 so as to be protected from damage by lens 5 and lens 6. An element gelatinized from solution may be formed as described in Specification 550,644, and may be desiccated and hardened as described therein ; gelatine, agaragar, pectin, or silicates or alumina, with or without glycerine, may be used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB868041A GB550645A (en) | 1941-07-09 | 1941-07-09 | Improvements in or relating to optical elements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB868041A GB550645A (en) | 1941-07-09 | 1941-07-09 | Improvements in or relating to optical elements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB550645A true GB550645A (en) | 1943-01-18 |
Family
ID=9857148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB868041A Expired GB550645A (en) | 1941-07-09 | 1941-07-09 | Improvements in or relating to optical elements |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB550645A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1185394B (en) * | 1962-08-10 | 1965-01-14 | Albert Schacht Fa | Short periscope |
| EP0014783A1 (en) * | 1978-12-28 | 1980-09-03 | Philips Electronics Uk Limited | Method of producing aspherical elements and products obtained thereby |
| EP0150537A2 (en) * | 1984-01-18 | 1985-08-07 | Koninklijke Philips Electronics N.V. | Method of manufacturing an optical element |
| CN106821361A (en) * | 2017-03-31 | 2017-06-13 | 江南大学 | It is a kind of to make the optically focused servicing unit of simple photoelectricity heart rate sensor measurement result precision |
-
1941
- 1941-07-09 GB GB868041A patent/GB550645A/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1185394B (en) * | 1962-08-10 | 1965-01-14 | Albert Schacht Fa | Short periscope |
| EP0014783A1 (en) * | 1978-12-28 | 1980-09-03 | Philips Electronics Uk Limited | Method of producing aspherical elements and products obtained thereby |
| EP0150537A2 (en) * | 1984-01-18 | 1985-08-07 | Koninklijke Philips Electronics N.V. | Method of manufacturing an optical element |
| EP0150537A3 (en) * | 1984-01-18 | 1985-08-14 | N.V. Philips' Gloeilampenfabrieken | Method of manufacturing an optical element, device for the method, and optical element manufactured by means of the method |
| CN106821361A (en) * | 2017-03-31 | 2017-06-13 | 江南大学 | It is a kind of to make the optically focused servicing unit of simple photoelectricity heart rate sensor measurement result precision |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| IN162829B (en) | ||
| GB1362380A (en) | Manufacture of optical elements | |
| JPS57169996A (en) | Magnetooptic storage element | |
| GB550645A (en) | Improvements in or relating to optical elements | |
| GB772912A (en) | An optical system of high acceptance angle | |
| JPS5226236A (en) | Zoom lens system | |
| JPS58105519U (en) | sighting telescope | |
| JPS619601A (en) | Optical lens | |
| GB824867A (en) | Wide angle objective | |
| GB550643A (en) | Improvements in or relating to optical systems | |
| GB593362A (en) | Improvements in or relating to lens systems | |
| JPS6059220U (en) | eyeglass lenses | |
| JPS5888201U (en) | lens | |
| GB841482A (en) | Optical system | |
| GB501645A (en) | Improvements in or relating to optical image viewing arrangements | |
| GB589961A (en) | Improvements in or relating to optical projection apparatus | |
| JPS59181419U (en) | glasses with solar cells | |
| CN117310917A (en) | Clamping device for optical lens part photosensitive adhesive bonding process | |
| GB398257A (en) | Improvements in or relating to optical systems | |
| GB683659A (en) | Improvements in or relating to photographic lens systems | |
| GB1017082A (en) | A mirror provided with an image-magnifying portion thereon | |
| GB930550A (en) | Lenses | |
| CA525656A (en) | Large-aperture optical systems comprising two reflecting spherical surfaces | |
| JPS5758118A (en) | High-resolution lens | |
| GB570280A (en) | Improvements in or relating to lens systems |