US Pat. No. 9,313,072

INTEGRATED CIRCUIT IMPLEMENTATION OF METHODS AND APPARATUSES FOR MONITORING OCCUPANCY OF WIDEBAND GHZ SPECTRUM, AND SENSING RESPECTIVE FREQUENCY COMPONENTS OF TIME-VARYING SIGNALS USING SUB-NYQUIST CRITERION SIGNAL SAMPLING

Massachussetts Institute ...

1. An integrated circuit apparatus to determine an N-point Fast Fourier Transform (FFT) of a time-varying signal so as to
sense one or more frequency components of the time-varying signal, the apparatus comprising:
an input/output interface to receive a first sub-sampled set of samples of the time-varying signal sampled at a first sampling
rate below a Nyquist rate of the time-varying signal and a second sub-sampled set of samples of the time-varying signal sampled
at a second sampling rate below the Nyquist rate of the time-varying signal, wherein the second sampling rate is different
from the first sampling rate; and

at least one processor communicatively coupled to the input/output interface to:
A) compute a first Fast Fourier Transform (FFT) for the first sub-sampled set of samples of the time-varying signal; and
B) compute a second FFT for the second sub-sampled set of samples of the time-varying signal,
wherein:
each of the first FFT and the second FFT is a low-radix FFT;
the time-varying signal has a frequency bandwidth of interest BW and a Nyquist sampling criteria of N samples in a sampling
time T, wherein N=T×BW;

the first sampling rate is BW/p1 samples/second, wherein p1 is less than N;

the second sampling rate is BW/p2 samples/second, wherein p2 is less than N; and

p2 and p1 are co-prime numbers.

US Pat. No. 9,686,867

FOLDABLE MACHINES

Massachussetts Institute ...

1. A method for fabricating a machine, the method comprising:
defining a set of machine parameters which define a machine for accomplishing a task, the machine parameters comprising a
folding pattern for forming the machine from a foldable substrate and circuit locations for placement of circuits on the substrate;

storing the set of machine parameters as a machine model in a computer storage;
applying the folding pattern to at least one surface of the substrate;
forming one or more conductive signal paths directly on at least one surface of the substrate, wherein forming one or more
conductive signal paths includes etching a circuit pattern on a conductive foil layer disposed on the at least one surface
of the substrate such that the conductive signal paths correspond to metallic traces disposed on the at least one surface
of the substrate and such that at least one of the conductive signal paths is formed across a fold of the folding pattern;

disposing circuit components directly on one or more surfaces of said substrate such that the circuit components are directly
electrically coupled to the conductive signal paths thereby forming one or more electrical circuits; and

folding the substrate according to the folding pattern, such that the substrate is folded into the machine wherein the machine
is provided having moving parts controlled by the electrical circuits and wherein folding the substrate includes folding the
at least one conductive signal path that crosses the fold.

US Pat. No. 9,129,519

SYSTEM AND METHOD FOR PROVIDING DRIVER BEHAVIOR CLASSIFICATION AT INTERSECTIONS AND VALIDATION ON LARGE NATURALISTIC DATA SETS

Massachussetts Institute ...

1. A warning system configured to predict whether a vehicle will come to a stop at an intersection before a first time, comprising:
at least one sensor configured to measure vehicle data of the vehicle, wherein the vehicle data comprises:
a speed of the vehicle,
an acceleration of the vehicle and
a distance from the vehicle to the intersection; and
a classifier comprising at least one processor coupled to the at least one sensor configured to:
receive vehicle data measured by the at least one sensor at a plurality of times during a time window, wherein the vehicle
data comprises a plurality of measurements of each of:

the speed of the vehicle;
the acceleration of the vehicle; and
the distance from the vehicle to the intersection;
generate a prediction of whether the vehicle will or will not stop at the intersection before the first time based on the
vehicle data measured during the time window; and

at a second time, the second time being before the first time and approximately equal to a time at which the time window ends
so that the time window extends from the second time to the first time, provide an indication that the vehicle will not stop
at the intersection before the first time based upon the prediction; and

an output device for providing a user of the warning system with the production of whether a vehicle will not come to a stop
at the intersection before the first time,

wherein generating the prediction comprises using a classification model, the classification model configured to indicate
whether the vehicle will or will not stop at the intersection before the first time based on a plurality of input parameters,

wherein the plurality of input parameters comprises a speed, an acceleration and a distance to an intersection, and
wherein generating comprises determining the means and variances of the last K measurements of the speed of the vehicle, acceleration
of the vehicle, and distance from the vehicle to the intersection.

US Pat. No. 9,244,080

METHOD FOR DIAGNOSING ALLERGIC REACTIONS

Massachussetts Institute ...

1. A method of measuring a dynamic change in a profile of viable T cells, comprising:
performing a first contacting step at a first time point, wherein the first contacting step comprises contacting a slab with
a first substrate,

wherein the slab contains an array of microwells, each microwell dimensioned to hold a subnanoliter volume of liquid, wherein
microwells in the array of microwells contain viable T cells and products secreted from said T cells, and, on average, contain
no more than one single T cell or a few T cells per microwell;

wherein the first substrate is pretreated with a plurality of first detection agents, wherein said plurality of first detection
agents comprises first detection agents that respectively bind to different cytokines, whereby cytokines secreted by said
T cells that are present in said microwells and are binding partners of a first detection agent are bound to the first detection
agent in regions on the first substrate contacted by contents of the microwells, to yield a first printed array;

after step (a), performing a second contacting step at a second time point, which second contacting step comprises contacting
the slab with a second substrate, wherein the second substrate is pretreated with a plurality of second detection agents,
wherein said plurality of second detection agents comprises second detection agents that are identical to said first detection
agents that respectively bind to different cytokines, whereby cytokines secreted by said T cells that are present in said
microwells and are binding partners of a second detection agent are bound to the second detection agent in regions on the
second substrate contacted by contents of the microwells, to yield a second printed array;

quantifying levels of said different cytokines bound to the first printed array and levels of said different cytokines bound
to the second printed array, and

determining rates of secretion of the different cytokines bound to the first printed array and rates of secretion of the different
cytokines bound to the second printed array, thereby measuring a dynamic change in a profile of the T cells.

US Pat. No. 9,289,120

TEMPORAL STRUCTURED-ILLUMINATION MOTION-DETECTION SYSTEM

Massachussetts Institute ...

1. A device, comprising:
a detector, configured to capture frames according to a frame acquisition time;
a focusing element; and
an illumination source configured, in cooperation with the focusing element and the detector, to generate at least first and
second images of the illumination source on the detector within a given frame,

the first image and the second images forming a spatial sequence and being spatially separated from each other on the focal
plane of the detector by at least one pixel,

the first and the second images being generated in a temporal sequence, the illumination source having a time delay between
generating the first image and the second image, the time delay being less than or equal to the frame acquisition time of
the detector.

US Pat. No. 9,121,847

THREE-DIMENSIONAL MICROFLUIDIC PLATFORMS AND METHODS OF USE THEREOF

Massachussetts Institute ...

1. A microfluidic device, comprising:
an optically transparent material;
a substrate coupled to the optically transparent material; and
a scaffold having dimensions of at least 10 ?m in three-dimensional space;wherein
the substrate comprises a plurality of posts;
the scaffold contacts the substrate, the posts, and the optically transparent material;
the scaffold comprises a solid or semi-solid biological or biocompatible polymer;
the substrate comprises a first fluid-flow path and a second fluid-flow path;
the first fluid-flow path does not intersect with the second fluid-flow path;
the scaffold is disposed between the first fluid-flow path and the second fluid-flow path;
the posts are arranged in a staggered array; and
the staggered array of posts is disposed between the first fluid flow path and the second fluid flow path.

US Pat. No. 9,967,538

REDUCING VIEW TRANSITIONS ARTIFACTS IN AUTOMULTISCOPIC DISPLAYS

Massachussetts Institute ...

1. A computer-implemented method comprising:storing multi-view automultiscopic image content of a multi-view image including an image scene or two-dimensional slice in an electronic memory;
reducing the visibility of one or more artifacts from the multi-view automultiscopic image content by modifying the multi-view automultiscopic image content based upon shearing the multi-view automultiscopic image content globally, followed by shearing the multi-view automultiscopic image content locally, the local shearing further reducing the visibility of the one or more artifacts as compared with the global shearing, and followed by stitching of repeated fragments of the multi-view automultiscopic image content, the stitching including determining an optimal stitch cut in a gradient domain based upon overlapping repeated fragments of the multi-view automultiscopic image content, the stitching performing a further additional reduction of the visibility of the one or more artifacts as compared with the local shearing; and
based upon the modification of the multi-view automultiscopic image content, providing one or more updated multi-view images with improved visibility as compared with the multi-view image, at least with respect to the one or more artifacts.

US Pat. No. 10,214,798

METHOD FOR CONTROLLING THE ENERGY DAMPING OF A SHAPE MEMORY ALLOY WITH SURFACE ROUGHNESS

Massachussetts Institute ...

1. A method for producing an energy damping-controlled shape memory alloy wire comprising:forming a polycrystalline shape memory alloy wire from an alloy composition that includes at least one member selected from the group consisting of Cu in at least about 10 wt. %, Fe in at least about 5 wt. % Au in at least about 5 wt. %, Ag in at least about 5 wt. %, Al in at least about 5 wt. % In in at least about 5 wt. %, Mn in at least about. 5 wt. %, Zn in at least about 5 wt. % and Co in at least about 5 wt. %, the alloy composition having a martensite crystal structure consisting of one of 2H, 18R1, M18SR, and 6R;
annealing the polycrystalline shape memory alloy wire until polycrystalline grains within the wire grow to span a cross sectional wire diameter, transforming the polycrystalline shape memory alloy wire to an oligocrystalline shape memory alloy wire, the oligocrystalline shape memory alloy cross sectional wire diameter being greater than about 1 micron and less than about 500 microns; and
electropolishing the oligocrystalline shape memory alloy wire until surface roughness of the oligocrystalline shape memory alloy wire is no greater than about 100 nanometers, to reduce the energy damping characteristic of the oligocrystalline shape memory alloy wire.