U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Patents

Displaying 176 - 200 of 257

Neuromimetic Circuit

NIST Inventors
Sonia Buckley
Optoelectronic neural networks comprise a system of interconnected processing units (neurons) interconnected by integrated photonic waveguides. The processing units receive photonic signals from other units. Each unit sums the received signals on a waveguide-integrated photon detector, and when the
Powerpoint slide, showing via map and photograhpy, the distance from NIST Boulder to Valmont Butte

Optical Time Distributor and Process for Optical Two-Way Time-Frequency Transfer

NIST Inventors
Laura Sinclair , William C. Swann and JD Deschenes
An optical time distributor includes: a master clock including: a master comb; a transfer comb; and a free-space optical terminal; and a remote clock in optical communication with the master clock via a free space link and including: a remote comb that produces: a remote clock coherent optical pulse
A line drawing describing the apparatus and method for dynamically controlling spectrum access

Apparatus and Method for Dynamically Controlling Spectrum Access

NIST Inventors
Timothy A. Hall and Anirudha Sahoo
A method and apparatus for spectrum access by secondary users in a dynamic spectrum access (DSA) system are provided. In a DSA system, a primary user (PU) has priority access to the channel. A secondary user (SU) can transmit opportunistically when the channel is idle, i.e., when the PU is not
The figure shows a microfabricated optical probe with the following components: 110 - optical loop, 111 – structured region of 110, 114 – optical waveguide, 116 – first arm of optical waveguide, 120 – substrate, 122 – optical cladding layer, 124 – first single mode optical fiber, 126 – primary light, and 128 – output light.

Microfabricated Optical Probe

NIST Inventors
Vladimir Aksyuk and Kartik Srinivasan
Integrated photonics research and manufacturing requires a probe for in-line nondestructive optical testing of devices. Current optical probes require dedicated and large coupling areas in the photonic circuit, cannot provide sufficient control over the degree, location and direction of optical

Photonic probe for atomic force microscopy

NIST Inventors
Marcelo Davanco and Vladimir Aksyuk
A photonic probe for atomic force microscopy includes: a cantilever including: a tip; a wing in mechanical communication with the tip; an extension interposed between the tip and the wing to synchronously communicate motion of the tip with the wing; an optical resonator disposed proximate to the
Diagram of cells and other components within a blood vessel

Measuring a size distribution of nucleic acid molecules in a sample

NIST Inventors
Craig Copeland and Samuel M. Stavis
A process for measuring a size distribution of a plurality of nucleic acid molecules, the process comprising: labeling the nucleic acid molecules with a fluorescent dye comprising a plurality of fluorescent dye molecules to form labeled nucleic acid molecules, such that a number of fluorescent dyes
This is a line drawing for patent number 10,625,470

3D Printing of Composition-Controlled Copolymers

NIST Inventors
Young Jong Lee
A computer-controlled method for forming a composition-controlled product using 3D printing includes disposing two or more liquid reactant compositions in respective two or more reservoirs; and mixing the two or more liquid reactant compositions, which in turn includes controlling by the computer a
Graphic for how an inertial measurement unit works

Inertial Measurement Unit and Diagnostic System

NIST Inventors
Gregory W. Vogl
An inertial measurement unit determines performance degradation of a linear axis and includes: an accelerometer that, when disposed on a motion member of the linear axis including the motion member and a base member: measures acceleration of the motion member; and provides a displacement of the
A line drawing of the protector for photon detector

Protector for Photon Detector

NIST Inventors
David M. Rutter
This invention describes a device and method to help protect a given avalanche photo diode (APD) from excessive light or photon counts without modification to the APD itself or the associated power for the APD. High photon count rate to a reference frequency and rapidly shutting down the APD if a

Active Security Token with Security Phantom for Porting a Password File

An active security token includes: a sentry that controls access to token data disposed on the active security token through verification of user authentication data; the token data including: reference authentication data for verification of user authentication data; and a security phantom
Exploded schematic shows line drawings of five layers inside the optofluidic flow meter.

Optofluidic Flow Meter

NIST Inventors
Zeeshan Ahmed and Gregory A Cooksey
An optofluidic flow meter to determine a rate of fluid flow in a flow member includes: the flow member; a primary fluid conduit disposed in the flow member and that receives a fluid; a secondary fluid conduit disposed in the flow member; and a fiber optic comprising a fiber Bragg grating interposed
an image showing several different charts and figures that is titled "High-Resolution imaging and spectroscopy at High Pressure: A Novel Liquid Cell for the TEM"

Vacuum Compatible Fluid Sampler

NIST Inventors
Glenn Holland , Samuel M. Stavis and James Alexander Liddle
A fluid sampler includes: a sample cell that includes: a substrate comprising: a first port; a viewing reservoir in fluid communication with the first port and the second port and that receives the fluid from the first port and communicates the fluid to the second port, the viewing reservoir

Optomechnical Gravimeter

NIST Inventors
Jacob Taylor and Jon R. Pratt
An optomechanical gravimeter includes: a first and second accelerometer; and a spacer member interposed between the first accelerometer and the second accelerometer such that the first accelerometer and the second accelerometer independently include: a basal member; a test mass disposed on the basal
A disk-shaped device is smaller than the half-dollar coin underneath it.

Smart Mirror

NIST Inventors
Alexandra (Aly) Artusio-Glimpse , John H. Lehman , Michelle Stephens , Nathan A Tomlin and Paul A. Williams
Radiation pressure is a force that results when light reflects from a mirror. By measuring the force on a mirror, the power in a laser beam can be assessed. We have invented a miniaturized mirrored force sensor that combines several key elements to make a sensor that is smaller, faster, more
Drawings describing the technology within patent 10,639,634

Vacuum Compatible Fluid Sampler

NIST Inventors
James Alexander Liddle , Samuel M. Stavis and Glenn Holland
A fluid sampler includes: a sample cell that includes: a substrate comprising: a first port; a second port in fluid communication with the first port; a viewing reservoir in fluid communication with the first port and the second port and that receives the fluid from the first port and communicates

Process for Forming a Transition Zone Terminated Superconformal Filling

NIST Inventors
Daniel Josell and Thomas P. Moffat
Forming a transition zone terminated superconformal filling in a recess includes: providing an electrodeposition composition including: a metal electrolyte including a plurality of metal ions, solvent, and suppressor; providing the article including: a field surface and the recess that includes a
Image of Resonators fabricated into a micro-electro-mechanical Systems devices as built-in motion testers

Localized gap plasmon resonator

NIST Inventors
James Alexander Liddle and Vladimir Aksyuk
Two parallel gold surfaces are separated by a thin gap filled with a compliant dielectric, air or vacuum. The lateral extent (less than about 500 nm) and the shape of the gap, form a plasmonic resonator with frequency sensitive to the gap change resulting from mechanical deformation. This nanoscale

Mouse Cell Line Authentication

NIST Inventors
Jamie Almeida and Kenneth D. Cole
A method, kit and primers for determining alleles present in a DNA sample that is sourced from either a mouse or a cell line derived from a mouse. A set of STR marker loci are selected that can be amplified together in a multiplex amplification reaction. The set of STR marker loci are selected from
Figure 1

Mouse Cell Line Authentication

NIST Inventors
Jamie Almeida
A method, kit and primers for determining alleles present in a DNA sample that is sourced from either a mouse or a cell line derived from a mouse. A set of STR marker loci are selected that can be amplified together in a multiplex amplification reaction. The set of STR marker loci are selected from
Line drawing of high efficiency photon detection

High Efficiency Photon Detection

NIST Inventors
Alex Smolyanitsky
A detection pixel includes a material that is chosen so that its (averaged) atomic number density leads to the Compton process being the dominant scattering mechanism in response to incident photons, leading to production of Compton electrons with sufficient number and kinetic energy to produce an
Displaying 176 - 200 of 257