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This page is updated frequently with new Prism-related patent applications. Subscribe to the Prism RSS feed to automatically get the update: related Prism RSS feeds. RSS updates for this page: Prism RSS RSS


Stereoscopic image display device

Stereoscopic image display device

Method for storing information on a spectacles lens, spectacles lens blank or spectacles lens semi-finished product

Method for storing information on a spectacles lens, spectacles lens blank or spectacles lens semi-finished product

Method for storing information on a spectacles lens, spectacles lens blank or spectacles lens semi-finished product

Holography 3d display

Date/App# patent app List of recent Prism-related patents
10/09/14
20140301735
 Optical module having composite prism to multiplex optical beams patent thumbnailOptical module having composite prism to multiplex optical beams
An optical module that installs a plurality of laser diodes (lds) and a composite prism to condense optical beams emitted from the lds is disclosed. The lds are arranged on a line so as to level the optical beams within a plane.
10/09/14
20140300961
 Stereoscopic image display device patent thumbnailStereoscopic image display device
A stereoscopic image display device, including a display unit comprising a plurality of pixel units, wherein at least one of the pixel units has a short side extended in a first direction and a long side extended in a second direction different from the first direction, and an image conversion unit comprising a lenticular lens overlapped with at least two of the pixel units arranged in the first direction, wherein the lenticular lens is extended in the second direction and a first prism corresponding to the lenticular lens is arranged in the second direction.. .
10/09/14
20140300856
 Method for storing information on a spectacles lens, spectacles lens blank or spectacles lens semi-finished product patent thumbnailMethod for storing information on a spectacles lens, spectacles lens blank or spectacles lens semi-finished product
Information is stored in an optical element in the form of a glass or plastic body embodied as spectacles lens, spectacles lens blank or spectacles lens semi-finished product. The information in the form of data is stored on or in the glass or plastic body by creating at least one marking with a marking system.
10/09/14
20140300839
 Holography 3d display patent thumbnailHolography 3d display
The present disclosure relates to a holography three dimensional display in which no 3d cross-talk problem is arisen. The present disclosure suggests an apparatus for displaying hologram images comprising: a display panel displaying a hologram image; a back light unit disposed at one side of the display panel for supplying a back light; a first light path deflecting cell disposed at another side of the display panel facing away from the back light unit for forming a first prism pattern along a first direction rotating by a predetermined angle from a horizontal axis of the display panel; and a second light path deflecting cell disposed in front of the first light path deflecting cell for forming a second prism pattern along a second direction perpendicular to the first direction..
10/09/14
20140300794
 Optical scope for imaging of an object patent thumbnailOptical scope for imaging of an object
An optical scope has at least one optical element which is used to image an object. An optical element is, for example, understood to mean a lens unit, a prism, or a prism system composed of multiple prisms.
10/09/14
20140300341
 Electro-optic current sensor with high dynamic range and accuracy patent thumbnailElectro-optic current sensor with high dynamic range and accuracy
An optical sensor that senses current by directing polarized light across an airgap that is orthogonal to a direction of current running through a conductor. The sensor includes a prism having a high verdet constant for high sensitivity to magnetic fields, which cause an angle of polarization of the polarized light to be rotated as an indication of the magnitude of current.
10/02/14
20140298039
 Programmable intelligent search memory enabled secure dram patent thumbnailProgrammable intelligent search memory enabled secure dram
A dynamic random access memory (dram) comprising a programmable intelligent search memory (prism) for regular expression search using non-deterministic finite state automaton and further comprising a cryptography processing engine for performing encryption and decryption, said prism and cryptography processing engines creating a secure dram for use in a system.. .
10/02/14
20140294386
 Optical transmitting apparatus and optical receiving apparatus patent thumbnailOptical transmitting apparatus and optical receiving apparatus
An optical transmitting apparatus includes semiconductor laser elements. Upon receiving laser beams, a multiplexed beam is emitted from a wavelength multiplexing filter.
10/02/14
20140294345
 Optical component assembly for use with an optical device patent thumbnailOptical component assembly for use with an optical device
The inventive optical component assembly advantageously enables a multi-waveguide optical component (such as the inventive optical fiber coupler array, a multi-core optical fiber, etc.), to be coupled to at least one waveguide of an optical device at a predefined coupling angle. The optical component assembly of the present invention comprises a multi-waveguide optical component with an output end, a prism having an input surface, an output surface, and an internal reflective surface with a predefined reflection angle, and a grin lens, positioned between the component output end and the prism input surface, along a longitudinal axis of the multi-waveguide optical component.
10/02/14
20140293653
 Composite light guide plate, apparatus and method for manufacturing same patent thumbnailComposite light guide plate, apparatus and method for manufacturing same
A composite light guide plate comprises a light guide plate and a prism structure adhering to the light guide plate. The light guide plate comprises a light emitting surface.
10/02/14
20140293630
Automotive light
An automotive light is provided that includes a light-guide bar made of photoconductive-material, which is at least partially positioned substantially grazing a corresponding transparent or semitransparent portion of the front lenticular half-shell of the light, and a second light source which is structured so as to emit light when electricity powered, and is arranged inside the rear body, close to one end of the light-guide bar, so as to direct the light produced inside the body of said light-guide bar. The light-guide bar is provided with a longitudinal light-extractor band which extends along the lateral side of the bar, and a multitude of deflector prisms which have an approximately triangle-shaped cross-section and are conveniently arranged along the longitudinal light-extractor band.
10/02/14
20140293465
Optical prism and method for bonding the same
A first optical prism includes a bonding surface for bonding the first optical prism to a second optical prism, a collar element provided on a non-optical effective surface, a first reference portion provided on the collar element to form a reference surface for positioning, and a second reference portion provided at a position different from the first reference portion, in which the second reference portion is provided in an area where the bonding surface is projected in a normal direction of the reference surface.. .
10/02/14
20140292025
Airflow baffle for commerical truck fuel efficiency improvements
An aerodynamic drag reduction device for use on an over-the-road cargo vehicle. The vehicle has a prismatically shaped cargo area, which includes a rear face of the cargo area substantially perpendicular to the direction of travel.
10/02/14
20140291308
Device, arrangement, and method for the interference structuring of planar samples
The invention relates to a device (and a corresponding method) for the interference structuring of a planar sample, comprising a laser, a focusing element, which is arranged in the beam path of the laser and by means of which the laser radiation can be focused in a first spatial direction, a first prism, in particular a biprism, which is arranged in the beam path of the laser and by means of which the laser radiation can be directed at a sample volume in a second spatial direction preferably perpendicular to the first spatial direction by means of two beams, in such a way that the two beams interfere within the sample volume in an interference area, the sample volume, in which the planar sample is or can be placed in the interference area, and a moving unit, by means of which the beam(s) of the laser radiation can be moved in the first, the second, or the first and second spatial directions and/or by means of which a/the sample can be moved in the sample volume in the first, the second, or the first and second spatial directions.. .
09/25/14
20140288369
Mechanical image rotation for rigidly coupled image sensor and endoscope
The disclosure extends to endoscopic devices and systems for image rotation for a rigidly coupled image sensor. The disclosure allows for a distal prism to rotate, which changes the angle of view of the user or operator, while the sensor remains fixed at a constant location.
09/25/14
20140287619
Auxilliary jack plug with an expandable stand and rotating locking system
An auxiliary jack plug with an expandable mobile device stand is disclosed in the present invention. Said expandable mobile device stand comprises of a prism member with a plurality of expandable leg that the length of said leg is extendable and adjustable, and a disc member with an arc protrusion member connected to an edge of said disc member.
09/25/14
20140286548
Method and apparatus for identifying fake fingerprint
An apparatus for identifying a fake fingerprint, the apparatus comprising: a prism having a fingerprint contact surface with which a fingerprint comes in contacted; an internal light source configured to irradiate light from the inside of the prism; an external light source configured to irradiate light from the outside of the prism; an image sensor configured to acquire diffused light image by the internal light source and transmitted light image by the external light source; and a controller configured to compare the diffused light image and the transmitted light image acquired by the image sensor to determine whether the fingerprint is a fake fingerprint or not.. .
09/25/14
20140286044
Dual-sided film with split light spreading structures
Dual-sided optical films have extended split spreading structures formed on one major surface, and extended prisms formed on an opposite major surface. One portion of each split spreading structure has a low light spreading characteristic, and another portion has a high light spreading characteristic.
09/25/14
20140286043
Dual-sided film with compound prisms
Dual-sided optical films have extended prisms formed in one major surface, and extended lenslets formed in an opposite major surface. Some or all of the prisms are compound prisms, in which the two inclined surfaces of each compound prism each include a tip portion, a base portion, and an intermediate portion disposed between the tip portion and the base portion, the intermediate and tip portions forming a concave shape and the intermediate and base portions forming a convex shape, or vice versa.
09/25/14
20140285912
Approaches to control color mura in optical films
A brightness enhancement film includes a plurality of linear prisms disposed on a birefringent substrate. A light ray that enters the film from the substrate side and exits the film from the linear prisms side undergoes substantially a same phase retardation for mutually orthogonal polarization states while travelling within the film.
09/25/14
20140285702
Three-chip camera apparatus
A three-chip camera apparatus includes: a color separation prism which includes an incident surface perpendicular to an optical axis, a first emission surface parallel to the incident surface, a second emission surface inclined at a first inclination angle with respect to the optical axis, and a third emission surface inclined at a second inclination angle greater than the first inclination angle; a first imaging device which is disposed in parallel to the first emission surface; a second imaging device which is disposed in parallel to the second emission surface; and a third imaging device which is disposed in parallel to the third emission surface.. .
09/18/14
20140275771
Viewing trocar with integrated prism for use with angled endoscope
Endoscopic light refraction imaging techniques are described for configuring a viewing trocar and/or angled endoscope with a light refracting element, such as glass and/or plastic prism for instance. The light refracting element can be utilized in and/or with the viewing trocar to refract (i.e., bend) light passing into the trocar through the trocar's window.
09/18/14
20140272828
Components for stem education
Provided herein are construction kits and methods of using the construction kits. The construction kit comprises one or more connector elements and one or more elongate members.
09/18/14
20140272476
Prismatic battery pack with novel structure
Disclosed herein is a prismatic battery pack including an electrode assembly of a cathode/separator/anode structure impregnated with an electrolyte, a prismatic container, in which the electrode assembly is mounted, the prismatic container having at least one depressed groove formed at a bottom thereof in a longitudinal direction of the prismatic battery pack, a cap plate coupled to an open upper end of the prismatic container, in which the electrode assembly is mounted, a protection circuit module (pcm) including a protection circuit to control operation of the prismatic battery pack, the pcm being loaded on the cap plate, and an insulative cap mounted to the prismatic container while surrounding the pcm.. .
09/18/14
20140270662
Lens array and manufacturing method thereof
A lens array is provided with a prism adhered within a prism placement recessing section by an adhesive, wherein retention of air-bubbles in the adhesive on an optical path of light of each light-emitting element between the prism placement recessing section and the prism is prevented by a first air-bubble retention prevention recessing section and a second air-bubble retention prevention recessing section that communicate with the prism placement recessing section in a lens array direction, and flowing of the adhesive onto a total reflection surface is prevented by an adhesive flow prevention recessing edge section.. .
09/18/14
20140268885
Lens assembly for a solid-state lighting fixture
The disclosure relates to a lighting fixture having a base, a solid-state light source, and a lens assembly. The optic has a body with a cavity and a proximal opening.
09/18/14
20140268351
Switchable rearview mirror element with anti-reflection mechanisms for use with a display
The embodiments described herein generally relate to a rearview mirror assembly for a vehicle. More particularly, they relate to a rearview mirror assembly including a switchable reflective element and a display.
09/18/14
20140268337
Mutli-layer microprismatic retroreflective sheeting and method of manufacturing the same
A multi-layer microprismatic retroreflective film and a method of manufacturing the same. In one embodiment, the film includes: (1) a prism layer including an acrylic polymeric material and containing microprisms, (2) a strengthening layer including a polymeric material different from the acrylic polymeric material and (3) a buffer section including acrylic polymeric material located between the microprisms of the prism layer and the strengthening layer..
09/18/14
20140267887
System and method for inspection of roll surface
A system and method that includes, in an embodiment, a prism, a camera, a light source, and a plate. The system, in an embodiment, is configured for scanning a roll and generating an image of the roll surface.
09/18/14
20140267528
Imaging system, writing head, and image forming apparatus
An imaging system includes incidence faces composed of optical faces having an image focusing function; prisms; and exit faces. The incidence faces are arranged with a first pitch along a first axial direction.
09/18/14
20140265338
Asymmetric floats for wave energy conversion
A wave energy converter (wec) includes a prismatic float having a quadrilateral-like cross section including a front plate, for facing incoming waves, a top plate, a bottom plate and a back plate. The front plate is connected at its top edge to the front end of the top plate which is disposed to be generally parallel to the surface of the water and at its bottom edge to the front end of the bottom plate.
09/18/14
20140261153
Three-dimensional design section structure of meter for automobile
A three-dimensional design section structure of a meter for automobile includes a dial; a prism disposed on a rear surface of the dial and from a base end side of which a light emitted from light sources is incident; three-dimensional scales disposed in a protruding manner at a leading end side of the prism and configured to protrude via through holes perforated in the dial; recesses formed encompassing the three-dimensional scales on a light-guiding-body rear surface, which faces an opposite side to the dial, of the prism; and color printing configured to be applied including the recess so as to encompass the three-dimensional scales on the light-guiding-body rear surface.. .
09/11/14
20140254194
Light guide for improving device lighting
A light guide guides light from a light emitter that is adjacent to an aperture of an electronic device. The light is eventually emitted from the aperture, to thereby provide lighting.
09/11/14
20140254193
Luminance enhancement optical substrates with anti-interference-fringe structures
An optical substrate having a structured light output surface that comprises rows of laterally arranged snaking, wavy or meandering longitudinal prism structures. The prism structures at the light output surface may be viewed as comprising rows of laterally meandering longitudinal prisms and/or sections of curved segments coupled end-to-end to form the overall meandering longitudinal prism structures.
09/11/14
20140252213
Proximity sensor module with light reflector
A proximity sensor may be mounted below a display cover layer in an electronic device. The proximity sensor may have a light source that emits light and a detector configured to detect reflections of the emitted light from nearby external objects.
09/11/14
20140251778
Switch
A space where a member is disposed is ensured in a central portion without changing dimensions of an appearance. In a push-button switch, a movable contact portion is disposed while bent in an outer peripheral space between an insertion pipe and sidewalls constituting a quadratic-prism lower case, and the sidewall closest to a position where a projected terminal portion is disposed differs from the sidewall closest to a position where an abutment portion is disposed..
09/04/14
20140248515
Battery pack assembly
A battery pack includes a plurality of cell assemblies each of which include one or more prismatic batteries. A frame has legs sized and configured to be positioned around the prismatic batteries.
09/04/14
20140247494
Sunlight redirecting mirror arrays
Sunlight redirector (30) incorporates closely proximate mirror arrays (32, 34) having parallel, uniformly spaced, longitudinal mirror segments (38, 44). Prismatic sheet (36) is positioned behind and closely proximate second array (34).
09/04/14
20140247485
Viewing apparatus with integrated polarized lens
The current invention is directed to a pair of binoculars having an eyepiece with one or more ocular lenses and a view port, a polarized lens orientated and positioned on a mounting frame, one or more prisms and an objective lens; wherein the polarized lens is fixed between the eyepiece and the one or more prisms and is shaped to provide an optically correct image and orientated in the vertical plane to substantially filter refracted horizontal light. The invention has application with hunting or sporting scopes and periscopes and other types of viewing apparatus..
09/04/14
20140247424
Method for optimizing the postural prism of an ophthalmic lens
Methods for optimizing postural prism to be added to a pair of ophthalmic multifocal lenses (lenses) adapted to a wearer and to slow down myopia progression are described. The method includes an initial pair of lenses in a providing step s1.
09/04/14
20140247408
Multi-purpose electrical window and methods thereof
These teachings disclose a multi-purpose electric window that comprises a printed transparent sheet and a reflective layer laminated onto an electric light-switching device and a power source. The electric light-switching device is made of electrically actuated polymer dispersed liquid crystal or suspended polarized particles laminated between two transparent electrodes.
09/04/14
20140247211
Image display apparatus
An image display apparatus capable of ensuring a wide view range is provided. The image display apparatus includes: an image display panel; a backlight located on a back surface side of the image display panel; prisms located between the image display panel and the backlight and configured to deflect incident light; a liquid crystal layer located between the image display panel and the backlight and configured to change a deflection direction of emitted light by changing a refractive index thereof according to a voltage applied thereto; a position detection section configured to detect a position of a user; and a control section configured to control the voltage applied to the liquid crystal layer, on the basis of information of the position of the user detected by the position detection section..
08/28/14
20140242440
Prismatic secondary battery
There is provided a prismatic secondary battery having high reliability and including a connecting part, wherein a terminal member and an external conduction member are connected by a swaged part and a welded part. The terminal member includes a flange, a first connecting part formed on a first surface side of the flange, and a second connecting part formed on a second surface side of the flange.
08/28/14
20140242439
Prismatic secondary battery
A prismatic nonaqueous electrolyte secondary battery includes a convex portion on a stepped portion of a stepped through hole of a positive electrode external conduction member. An upper end side of a caulked portion of a positive electrode terminal member is caulked by being inserted from a side of a small-diameter portion into the stepped through hole of a positive electrode external conduction member, and a convex portion of the positive electrode external conduction member is covered with a tip side of the caulked portion.
08/28/14
20140241662
Optical device module and optical communication network system using the same
An optical device module includes a substrate, an interlayer insulating layer on the substrate, an optical waveguide on the interlayer insulating layer, an optical device on the optical waveguide, and a prism disposed between the optical device and the optical waveguide. The prism has a refractive index greater than a refractive index of the optical waveguide..
08/28/14
20140240843
Near-eye display system
Embodiments are disclosed herein that relate to optical systems for augmented reality display systems. For example, one disclosed embodiment provides a near-eye display system including a prism having a light input interface side configured to receive light from an image source, the prism being configured to first internally reflect the light from the image source and then emit the light from the image source out of a light output interface side of the prism after internally reflecting the light from the image source.
08/28/14
20140240839
Optical substrates having light collimating and diffusion structures
An optical substrate having a structured prismatic surface and an opposing structured lenticular surface. The structured lenticular surface includes shallow-curved lens structures.
08/28/14
20140240833
Corner reflector
A corner reflector (e.g. A periscope) is made of a prism block having a viewing-in end and a viewing-out end with mirrored inclined surfaces or deflection mirrors applied on its inclined surfaces and also functional plates arranged in front of the viewing-in end and/or the viewing-out end.
08/28/14
20140240583
Finder optical system and image pickup apparatus including the same
A finder optical system includes an erecting optical system, an eyepiece optical system, and a light metering optical system. An optical axis of the light metering optical system is non-parallel to an optical axis of the eyepiece optical system.
08/28/14
20140240470
Method, system and device for improving optical measurement of ophthalmic spectacles
A system and method for optical measurement, the system comprising a camera having a lens unit and an image sensor, the image sensor configured to generate image data based on light received onto the sensor; a prism device to receive light from two different angles and to relay the light through the lens unit onto respective two portions of the image sensor; and a processor to receive image data from the two portions of the image sensor; identify key points of the image data from the two portions; create a three-dimensional model of an object based on the image data from the two portions; and calculate based on the key points parameters of the object.. .
08/28/14
20140240442
Remote telepresence server
A method and apparatus for controlling a live avatar include features for directing the live avatar gaze to be consistent with a remote operator's view of the live avatar's surroundings. Indication of gaze direction may be continuously provided to the live avatar using movable optics, for example a heads-up display, or a movable optical prism or lens.
08/28/14
20140239206
Stereoscopic optical system
A stereoscopic optical system includes: two objective optical systems arrayed parallel to each other with a space therebetween; two parallelogram prisms that bring optical images close to each other by respectively deflecting lights collected by the objective optical systems twice; an image pickup element arranged at image formation positions of the light fluxes collected by the objective optical systems to take the two optical images brought close to each other by the prisms; and a diaphragm member that blocks a portion of the light flux on at least one of an inner side and an outer side in a direction of the space at any position apart from a pupil position of each of the objective optical systems in a direction of an optical axis, wherein the diaphragm member is arranged on the inner side in the direction of the space, and satisfies a conditional expression l0−ihy−w>z0×sin θ.. .
08/28/14
20140238612
Device for fabricating a composite structure
A device for fabricating a composite structure comprises a multi-axis positioner and an attached end effector comprising an integrated head and creel. The head has a clamp, cut and restart mechanism and a compaction roller with a rotary axis.
08/21/14
20140235945
Image capture unit and method with an extended depth of field
In a minimally invasive surgical system, an image capture unit includes a prism assembly and sensor assembly. The prism assembly includes a beam splitter, while the sensor assembly includes coplanar image capture sensors.
08/21/14
20140233897
Optical module
A prism/lens array (25) in the present invention is a grass prism having an approximately 45 degrees tapered part. A plurality of lenses (31) are provided side by side on the front surface of the prism/lens array (25).
08/21/14
20140233118
Camera arrangement for a motor vehicle
A camera arrangement for a vehicle includes a camera and a prism. The camera is arranged behind a windshield of the vehicle.
08/21/14
20140233022
Apparatus for focus beam analysis of high power lasers
An in-line laser beam waist analyzer system includes an optical prism that picks off a portion of a second surface reflection from either a laser processing focus lens or a protective debris shield for the processing lens and directs that focused light to a pixelated detector. This provides real time monitoring of the focused laser beam while it is processing material by welding, cutting, drilling, scribing or marking, without disrupting the process..
08/21/14
20140233021
Apparatus for focus beam analysis of high power lasers
An in-line laser beam waist analyzer system includes an optical prism that picks off a portion of a second surface reflection from either a laser processing focus lens or a protective debris shield for the processing lens and directs that focused light to a pixelated detector. This provides real time monitoring of the focused laser beam while it is processing material by welding, cutting, drilling, scribing or marking, without disrupting the process..
08/21/14
20140232746
Three dimensional augmented reality display apparatus and method using eye tracking
A three-dimensional augmented reality display apparatus and method using eye tracking adjust a depth of an image without an increase in volume and are easily applied to an augmented reality head up display (hud), by adjusting an angle of a total reflection prism based on positions of both eyes of a driver detected in real time using eye tracking to allow a right eye image to be formed in a driver's right eye and allow a left eye image to be formed in a driver's left eye.. .
08/21/14
20140232694
Sensing strip for providing touch and gesture controls
An infrared sensing strip includes a substantially linear substrate board, a receiver diode, and a plurality of light emitting diodes (leds) linearly aligned along the linear substrate board. Each of the leds is operative to transmit in a different direction.
08/21/14
20140231634
Apparatus for focus beam analysis of high power lasers
An in-line laser beam waist analyzer system includes an optical prism that picks off a portion of a second surface reflection from either a laser processing focus lens or a protective debris shield for the processing lens and directs that focused light to a pixelated detector. This provides real time monitoring of the focused laser beam while it is processing material by welding, cutting, drilling, scribing or marking, without disrupting the process..
08/14/14
20140228639
Feature differentiation image capture unit and method in a surgical instrument
In a minimally invasive surgical system, an image capture unit includes a prism assembly and sensor assembly. The prism assembly includes a beam splitter, while the sensor assembly includes coplanar image capture sensors.
08/14/14
20140226215
Virtual image display device
An intermediate image is formed inside the prism by a projection lens or the like, and since an image light that is totally reflected at three or more surfaces; a third surface firstly, a first surface firstly, at a third surface secondly, at a first surface secondly, and the second surface in this order, transmits the first surface and then arrives at an observer's eyes, the thickness of the prism can be reduced and the size and weight of the entire optical system can be reduced, and it is possible to realize a display of high performance and brightness with a wide angle of view. Since the external light can be observed after passing through the first surface and the third surface, and the visibility at that time becomes substantially zero, it is possible to reduce the defocus or distortion of the external light when observing the external light..
08/14/14
20140226054
Variable magnification viewfinder device and method for changing luminance of displayed information
In a variable magnification viewfinder device, information displayed on a liquid crystal panel and a viewfinder image are combined with each other through a prism. When a variable power lens is inserted in a viewfinder optical path, viewfinder magnification is changed.


Popular terms: [SEARCH]

Prism topics: Light Guide Plate, Objective Lens, Light Guide, Oled Display, Ocular Lens, Transmitter, Irradiation, Image Display Apparatus, Liquid Crystal, Double Layer Capacitor, Porous Carbon, Carbon Film, Prism Sheet, Electrolyte, Monochromat

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This listing is a sample listing of patent applications related to Prism for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Prism with additional patents listed. Browse our RSS directory or Search for other possible listings.
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