Hewlett-packard Company

Vadient Optics, LLC

Hewlett-packard Development Company, L.P.

Trimble Navigation Limited

Other

Seagate Technology Incorporated

Trimble Inc.

Voxtel, Inc.

John Paul Harmon

Timothy L Weber

Colin C Davis

Kenneth E Trueba

Charles G Dupuy

Naoto A Kawamura

George M Williams

David R Thomas

Thomas Leonard Allen

David J Waller

S Dana Seccombe

Ngoc Thanh Nguyen

Paul J McClellan

David W Swanson

George T Kaplinsky

David M Schut

Timothy J Jondrow

Timothy J Carlin

Gerald W Steiger

Craig Michael Jurs

Edward Whitney Elliott, Iii

Bradley J Hermens

Peter G Hugger

George Melville Williams, Jr

Dennis York

Samuel Peter Grimm

Sang-ki Park

Robert Nicol

Winthrop D Childers

Brian J Keefe

James McKinnell

David Alan Johnson

Donald J Milligan

Brian P Canfield

James Walter Pearson

Sandra Y Okazaki

Christopher Alexander Peskin

Peter Jon Polesnak

Ernst Adrian Henle

Chad N Teters

Robert Barnwell Eliott Puckette

Chris Weber

Kenneth J Abbott

Christopher D Weber

A method for forming a heterogeneous or gradient dielectric-property element comprises: (a) providing a plurality of solution-based feedstocks, each including an organic matrix, wherein at least one of the feedstocks includes a nanoparticle filler dispersed within the organic matrix, the feedstocks comprising a first ink having a first photosensitive entity and one or more additional feedstocks having other photosensitive entities, the first and subsequent feedstocks having at least one different photosensitization absorption band, such that spectrally discrete exposure results in different degrees of curing; (b) providing an electromagnetic (EM) source configured to polymerize one or more of the feedstocks; (c) depositing the feedstocks in a plurality of layers; and (e) curing at least a portion of the plurality of feedstocks, wherein deposition and subsequent curing results in regions where complex dielectric properties are different within or between at least one of the plurality of layers.

Dual photoinitiated nanocomposite-ink printing

An example method for making an optical element comprises: (a) receiving in a printing device a plurality of liquids, each including a volatile solvent, wherein one or more of the liquids also includes a suspension of particles or a sol-gel precursor; (b) receiving in the printing device a plurality of print maps corresponding to the plurality of liquids, each print map defining a pattern of application of the corresponding liquid for a series of pre-sintered layers of the optical element; (c) for each pre-sintered layer, operating the printing device to: (i) deposit the plurality of liquids according to the patterns defined in the plurality of print maps for that pre-sintered layer, and (ii) dry the pre-sintered layer; and (d) sintering the series of pre-sintered layers to form a vitreous monolith comprising the optical element.

Additive manufacture of application-specific inorganic optical elements

A device comprises an array of voxels of solidified material defining at least one scan path, along which an error in a variable dielectric quantity at a target voxel is distributed by successive deposition and solidifying of a selected material along the scan path, in accordance with a prescription for the device. The prescription defines the dielectric quantity over the array of voxels.

Multi-material halftoning of additively manufactured optics

An additively manufactured article is assembled from a plurality of printed voxels. The article includes a lattice of unit cells of a composite lattice material and an encasing matrix of structural material arranged between adjacent unit cells of the lattice. The structural material has greater mechanical strength than the composite lattice material.

Additive manufacture using composite material arranged within a mechanically robust matrix

An aqueous or organic solvent medium for additive manufacturing technologies comprising a nanocrystal comprising a functional group. The nanocrystal material is selected from a metal oxide, fluoride, metallic, carbon-based, semiconducting quantum dot or combinations thereof. The functional group comprises primary amine, carboxylic acid, lactam ring, polyamide polymer chain or group used to attach a similar functional group.

Surface functionalization of inorganic nanocrystals for nanocomposite additive manufacturing

A method of additively manufacturing a composite article with tuned impedance and refractive-index in three dimensions. The method includes providing a ferrite feedstock. The ferrite feedstock is loaded with ferrite particles. The method further includes depositing and curing the ferrite feedstock. Therein a composite article is formed.

Methods of manufacturing nanocomposite RF lens and radome

A method of manufacturing a nanocomposite GRIN optical-element. The method comprises providing a volumetric gradient refractive profile and providing a plurality of nanocomposite-inks to form the GRIN optical-element. Each of the plurality of nanocomposite-inks have nanoparticles dispersed in an organic-matrix. The plurality of nanocomposite-inks comprising of a nanoparticle diffusion inhibiting nanocomposite-ink wherein nanoparticle diffusion is inhibited with respect to another of the plurality of nanocomposite-inks. The diffusion inhibiting nanocomposite-ink having a different dielectric property from at least one of the other plurality of nanocomposite-inks. The plurality of nanocomposite-inks also comprising a nanoparticle diffusion permitting nanocomposite-ink wherein nanoparticle diffusion is permitted with respect to at least another of the plurality of nanocomposite-inks.

Diffusion controlled nanocomposite-inks

Embodiments of the present invention recite a system for extending the lifespan of a touch screen assembly. In one embodiment, a signal is received indicating an input pressure is being applied to a touch screen assembly. It is then determined that the input pressure comprises a valid input event and the coordinates of the valid input event are received from the touch screen assembly.

System for extending the lifespan of a touch screen assembly

Methods of manufacturing a volumetric continuous gradient complex dielectric element with drop-on-demand techniques, such as inkjet printing, by calculating spatial placement of nanocomposite-ink droplets are disclosed. The methods comprise determining or having a multi-dimensional gradient profile representing a volumetric gradient complex dielectric element. Providing or having a plurality of nanocomposite-inks, at least one of the nanocomposite-inks having a curable organic-matrix and a concentration of nanoparticles dispersed within to print the volumetric continuous gradient complex dielectric device. A print mask is determined in one-, two-, or three-dimensions that reconstructs the multi-dimensional gradient profile as a discretized pattern based on the material properties of the plurality of nanocomposite-inks and properties of a printing apparatus with a plurality of printheads. A spatial or spatio-temporal print schedule is determined that results in an at least approximate reproduction of the gradient profile when printed with the printing apparatus.

Multi printhead refractive gradient inkjet printing

Optical inks suitable for 3D printing fabrication of gradient refractive index (GRIN) optical components are composed a monomer matrix material doped with ligand-functionalized nanoparticles, wherein the monomer has a viscosity less than 20 cPoise and is UV curable to form a solid polymer. The matrix material doped with the ligand-functionalized nanoparticles has a transmittance of at least 90% in a predetermined optical wavelength range, wherein the ligand functionalized nanoparticles have a size less than 100 nm, are loaded in the monomer matrix material at a volume percent of at least 2%, and alter an index of refraction of the monomer matrix by at least 0.02. The ligand-functionalized nanoparticles have a plurality of ligands attached to a nanoparticle core surface with an anchor functional group and terminated with a buoy functional group that are reactive, non-reactive, or combinations thereof. In some embodiments the ligands have a length less than 1.2 nm measured radially from the nanoparticle core surface.

Inks for 3D printing gradient refractive index (GRIN) optical components

Methods of manufacturing a volumetric continuous gradient complex dielectric element with drop-on-demand techniques, such as inkjet printing, by calculating spatial placement of nanocomposite-ink droplets are disclosed. The methods comprise determining or having a multi-dimensional gradient profile representing a volumetric gradient complex dielectric element. Providing or having a plurality of nanocomposite-inks, at least one of the nanocomposite-inks having a curable organic-matrix and a concentration of nanoparticles dispersed within to print the volumetric continuous gradient complex dielectric device. A print mask is determined in one-, two-, or three-dimensions that reconstructs the multi-dimensional gradient profile as a discretized pattern based on the material properties of the plurality of nanocomposite-inks and properties of a printing apparatus. A spatial or spatio-temporal print schedule is determined that results in an at least approximate reproduction of the gradient profile when printed with the printing apparatus.

Refractive gradient inkjet printing

Embodiments of the present invention recite a data collector with expanded functionality and a method of enhancing revenue generation using a data collector with expanded functionality. In one embodiment, a central unit of a data collector is configured to receive a replaceable unit such that any one of a variety of replaceable units can be configure to be attached to said central unit.

Data collector with expanded functionality

Optical inks suitable for 3D printing fabrication of gradient refractive index (GRIN) optical components are composed of a monomer matrix material [in which ligand-functionalized nanoparticles [are well dispersed at more than 2% loading to induce a change in the index of refraction of the matrix of at least 0.02. The ligands are less than 1.2 nm in length and are covalently bonded to both the nanoparticles and the monomer matrix. The nanoparticles are less than 100 nm in size and the doped matrix material has a transmittance of at least 90% at wavelengths of interest. The matrix material has less than 20 cPoise viscosity and is UV crosslinkable to form a cured polymer.

Embodiments of the present invention recite a method and system for displaying data on a portable electronic device. In one embodiment, a first portion of accessed data is displayed on a portable electronic device. A motion detector responsive to motion in at least a single direction then detects a movement of the portable electronic device from a first position to a second position. In response to the motion detector detecting the movement, a second portion of the accessed data is automatically displayed by the portable electronic device.

Accelerometer based extended display

Growing community of inventors

Albany, OR, United States of America

John Paul Harmon