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5107371 |
Cemented lens and process for producing the same
A cemented lens comprising a first component having a polished first surface, a second component whose refractive index is different from that of the first component and having a second surface...
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5105311 |
Zoom lens system having high zoom ratio ranging to wide field angle
A compact size zoom lens system ranging to a wide field angle and having a high zoom ratio of up to 10. The zone lens system is composed of, from the object to the image side, a positive first lens...
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5082358 |
Polymer of vinyl-biphenyl derivative adapted for optical use
A polymer of vinyl-biphenyl derivative comprising recurring units of the formula: ##STR1## wherein X is Cl or Br; a is an integer of 0-4; Y is --CH 3 , --OH, --OR, --SR, --SOR, --SO 2 R, --SeR,...
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5082359 |
Diamond films and method of growing diamond films on nondiamond substrates
A method of forming a polycrystalline film, such as a diamond, on a foreign substrate involves preparing the substrate before film deposition to define discrete nucleation sites. The substrate is...
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5075541 |
Optical image detecting device with optical image differential capability
An optical image detecting device with optical image differential capability, comprising a plurality of lens assemblies in quantity corresponding to the sort and amount of optical images to be...
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5069003 |
Method for making microprisms
A method for producing a number of microprisms from a plate of material includes the steps of blocking the plate onto a wedge and cutting a number of fiducial grooves in the wedge which are used in...
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5067800 |
Composite optical article and method of manufacture thereof
A composite optical article has a plastic layer of an outer diameter less than the outer diameter of a lens base member. The plastic layer is formed on the base member so as to expose an optical...
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5052791 |
Variable magnification viewfinder optical system with variable magnification based on polarization
The variable magnification viewfinder optical system comprises a polarizing element allowing the light incident thereon to emerge as a linearly polarized light, an objective optical system...
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5051575 |
Optical surface roughness measuring apparatus using double-focus lens for producing parallel and converged beams for measurement
An optical surface roughness measuring apparatus for measuring roughness of a surface of a subject, by irradiating the surface with two linearly polarized beams of light which have orthogonal...
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5048929 |
Method and apparatus for forming curved surface
In a method and apparatus for forming a curved surface, a polishing plate consisting of a film-like elastic member is supported at two positions, i.e., central and peripheral portions thereof, and...
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5049633 |
Ethylene/polycyclic monomer copolymer, process for preparation thereof, and optical article
A random copolymer comprised of recurring units derived from ethylene, recurring units derived from a polycyclic monomer of the formula (I): ##STR1## wherein l, m and n are 0 or 1, p is an integer...
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5042935 |
Blanks for making prescription eyeglass lenses
In a method and apparatus for making a lens for a pair of prescription eyeglasses a lens blank is shaped and finished on one of its major surfaces through the use of a machine controlled by the...
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5041511 |
Ocular lens material
An ocular lens material, wherein a cross linking agent of the formula: ##STR1## wherein R 1 is a hydrogen atom or a methyl group, is used.
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5035478 |
Material for micro optical component and optical component using the same
A material for an optical component comprising polytungstic acid having peroxo groups, and an optical component, at least part of which is constituted of a thin film of the above-mentioned...
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5034492 |
Sulfur-containing aromatic vinyl compound, crosslinked polymer articles and lens
A novel sulfur-containing aromatic vinyl compound represented by the following general formula (I) ##STR1## wherein R 1 represents an alkylene group having 1 to 3 carbon atoms and R 2 represents...
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5020886 |
Fresnel lens type complex reflection system having a lens function
The present invention pertains to a Fresnel lens type complex reflecting system in which a set of parabolic mirrors are utilized to function as a convex lens. This is accomplished through incident...
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5020899 |
Hand grip for a sequential card pack display device
A hand grip for a sequential card pack display device formed of a pair of elements structured to hold one end of the card pack, and including a plurality of contoured depressions on the upper...
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5020887 |
Conformally doped optical elements
Optical elements, such as windows for forward-looking, infrared radiation-receiving devices have at least one substantially flat surface adapted for exposure to incident radiation and, within such...
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4986648 |
Lens and optical disc base plate obtained from copolymer of norbornyl (meth)acrylate
An optical resin material comprising a polymer containing as an essential component at least one norbornyl acrylate or methacrylate or a derivative thereof is excellent in properties, particularly...
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4986633 |
Microlens and process for producing same
A microlens having pliability is disclosed, which comprises a layer of a polymer composition having the thickness gradually changed, the layer of the polymer composition being formed by exposing to...
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4980700 |
LED printhead with droplet formed micro-lenslets and method for producing same
An LED printhead includes an optical mask overlying the LED's to balance light outputs therefrom. The transmission density of the mask is adjusted for each LED in accordance with its respective...
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4973130 |
Telescopic spectacles glasses
A telescopic spectacle lens for telescopic glasses for viewer's eyes with normal eyesight, which is wearable in conventional spectacle frames, made of an optical material shaped to have a lens...
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4969729 |
Composite plastic lens having a positioned optical axis and method of making the same
The composite plastic lens includes an anterior plastic lens having a first corrective feature and a posterior plastic lens having a second corrective feature. One of the lenses, preferably the...
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4966446 |
Mask controlled coupling of inter-substrate optical components
Alignment difficulties in optical computing arrangements are overcome by integrating the optical components on a single substrate and arranging the elements in a manner that causes them to interact...
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4966447 |
Integration of free-space planar optical components
Alignment difficulties in optical computing arrangements are overcome by integrating a number of the optical components on a single substrate and arranging the elements in a manner that causes them...
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4959431 |
Optical material
An optical material formed of a copolymer is disclosed. The copolymer is obtained by polymerizing a monomer composition composed of a particular N-substituted trifunctional monomer having a...
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4952037 |
Plate microlens and method for manufacturing the same
In a plate microlens of the invention wherein gradient index lenses each having an optical axis along a normal to a surface of a transparent base and a refractive index profile gradually changing...
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4948854 |
Transparent optical article and process for preparing same
A transparent optical article is constituted of an optical resin. The optical resin in obtained by polymerizing a feed monomer containing at least a diester of unsaturated dicarboxylic acid...
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4946923 |
S-alkyl thiocarbamate base resin, plastic lens comprising the resin, and process for making the lens
Disclosed herein are a novel and highly refractive S-alkyl thiocarbamate base resin useful in preparing lenses and a process for producing the resin comprising reacting one or more of...
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4943822 |
Camera for photographing simulated X-ray images
A camera with an eyepiece and a lens having a common field of view of an object. Two optical devices are provided, each capable of simulating an X-ray image of an object viewed through the device....
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4930879 |
Synthetic resin lens
A Synthetic resin lens having a surface hard coating comprises a synthetic resin lens body and a surface hard coat deposited on the lens body. The synthetic resin lens body is made of a resin...
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4931521 |
Optical materials composed of resin from thioacrylat esters
A process for producing a resin having a high refractivve index which comprises radically polymerizing a material monomer, characterized in that said material monomer comprises [I] at least one...
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4906076 |
Hand-held collapsible magnifying lens
A Hand-held collapsible magnifying lens assembly comprising a plurality of elongated flat magnifying lens segments. Each of the segments is mounted on a common pivot for arcuate rotation. A...
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4891053 |
Method of manufacturing biconvex lens elements and element formed thereby
A method of manufacturing biconvex lens elements (21) comprising a biconvex glass lens (23) and a holder (1) consisting of two cylindrical rings (5,7), which are telescopically slidable with...
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4884860 |
Linear lens and method for concentrating radiant energy and multiplying phosphor luminance output intensity
A luminescent fiber marker and method comprised of a linear coaxial lens having an elongated thin cylindrical phosphorescent layer and a pair of colinear and coaxial optical waveguides sandwiching...
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4883548 |
Process for producing laminated ophthalmic lens
According to the present invention, a plurality of first lens elements each having specific lens optical values and a plurality of second lens elements each having specific lens optical values are...
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4868261 |
Optical resin material
An optical resin material comprising a polymer containing as an essential component at least one norbornyl acrylate or methacrylate or a derivative thereof is excellent in properties, particularly...
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4865670 |
Method of making a high quality polarizer
A method and apparatus of applying a polarizing film to a curved lens such as a polarizing prescription lens is disclosed. Mounting of the film on a specialized template allows for convenient...
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4861140 |
Method of making a thin lens
A method of making a thin lens having a desired high order curvature includes the steps of providing a layer of transparent photoresist; generating a continuous tone exposure pattern for exposing...
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4836659 |
Lens
A convex lens has a geometric axis, defined to be an axis passing through the lens at a central point normally to the general plane of the lens, spaced from its optical axis defined to be an axis...
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4835233 |
Liquid polymerizable compositions for the production of substitutes for optical glasses
A liquid, fluid composition, comprising: (a) bis(allylcarbonate) of monomer diethylene glycol; (b) bis(allylcarbonate) of oligomer diethylene glycol; (c) tris(allylcarbonate) of monomer...
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4810582 |
Hydrophilic polyurethane composition
Water absorptive polyurethane composition, having high mechanical strength, is formed of A. about 25% to about 75% of a hydrophilic polyether polyurethane which is the reaction product of...
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4800123 |
In-mold scratch resistant coating for peroxide curable urethane elastomers
A scratch resistant coating for peroxide curable urethane elastomers comprises a radiation curable composition including at least one polyfunctional monomer having three or more acryloloxy groups...
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H000542 |
Fiber optic variable focus lens
Fiber optic variable focus lens in which a bundle of fibers are fixed at end in a common plane and having another end of the fibers that is adjustable relative to a ring to allow said another end...
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4756973 |
Photochromic lens
A photochromic lens is composed of a lens member made of a lens resin; and a photochromic layer applied on at least one side of the lens member and formed of a resin of a three-dimensional network...
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4710557 |
Polymers of thiophenyl thioacrylate and thiomethacrylate monomers
A monomer having the formula: ##EQU1## wherein: R 1 is H or methyl; R 2 , R 3 and R 4 are independently alkyl, aryl, or aralkyl; and R 5 and R 6 are independently H, halo, alkyl, aryl,...
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4704006 |
Halogen-containing resin lens material
A halogen-containing resin lens material, having a refractive index of n D =1.55 or higher, an Abbe number of 27 or higher and good dyeable property and comprising a copolymer containing 10 to 90...
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4678268 |
Method and apparatus for constructing microlens ends for optical fibers
The method for constructing microlens ends for optical fibres, particularly for biomedical and/or surgical use, is characterised by propagating in the optical fibre a radiation of the type used...
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4663233 |
Lens with hydrophilic coating
Optical lenses, particularly spectacle, contact and intra-ocular lenses manufactured from glass or plastic. The lenses are provided with a hydrophilic coating which is immobilized upon the lens to...
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4650279 |
Fiber optic lens
A fiber optic lens including: an input aperture; an output aperture; and a fiber optic array interconnecting the input and output apertures, including multiplicity of single mode fiber optic...
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