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Patent No. 5377411

Hair Cutting Appliance

A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.

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Assignee: The Board of Trustees of the Leland Stanford Junior University


Location: PaloAltoCA
No. of patents: 172

1          
NumberTitleIssue Date
7463712Scatter correction for x-ray imaging using modulation of primary x-ray spatial spectrum
Scatter radiation in an x-ray imaging system including an x-ray source and an x-ray detector is separated by using amplitude modulation to translate the spatial frequency of a detected x-ray beam to a higher frequency and provide separation from low frequency scatte...
12/09/2008
7463420Configurable diffractive optical element
This invention relates to a configurable diffractive optical element comprising an array of diffractive sub-elements having a reflective surface, wherein each sub-element has a controllable position with a chosen range, and in which a number of sub-elements are prov...
12/09/2008
7462688Peptides for diagnostic and therapeutic methods for celiac sprue
Detection of toxic gluten oligopeptides refractory to digestion and antibodies and T cells responsive thereto can be used to diagnose Celiac Sprue. Analogs of such oligopeptides are useful in the inhibition of immune responses. ...
12/09/2008
7460436Apparatus and method for hydraulic fracture imaging by joint inversion of deformation and seismicity
A method for hydraulic fracture imaging consistently integrates ground deformation data and microseismic data. A time sequence of hydraulic fracture images is computed from the combined data by first computing an orientation and location of the fracture. A size of t...
12/02/2008
7459312Photodesorption in carbon nanotubes
Carbon nanotube devices are manipulated in a manner that is useful for a variety of implementations. According to an example embodiment of the present invention, light (632) is used to photodesorb molecules from a carbon nanotube (620). ...
12/02/2008
7458981Spinal implant and method for restricting spinal flexion
A spinal implant system for restricting flexion of a spine includes an elongate band proportioned to engage at least two spinous processes. During use, the band is positioned engaging the spinous processes at a spinal segment of interest, where it restricts flexion ...
12/02/2008
7458013Concurrent voice to text and sketch processing with synchronized replay
The present invention facilitates transparent and cost effective capture, sharing, and re-use of knowledge in informal media such as audio, video, and individual sketching actions. Sketches, handwritings, verbal comments and the likes captured during a session are t...
11/25/2008
7457487Surface parallel modulator
SiGe quantum wells where the well material has a lowest conduction band energy minimum at k=0 (the Γ point of the first Brillouin zone) are provided. Quantum well structures that satisfy this condition have “Kane-like” bands at and near k=0 which can provide ph...
11/25/2008
7456391Gating device and driver for modulation of charged particle beams
By connecting the Bradbury-Nielson gate (BNG) directly to a driver without a transmission line, distortion of the voltage waveform experienced a the BNG are much reduced. Because the magnitude of the modulation defects grows as the applied modulation voltage is incr...
11/25/2008
7455722Ion irradiated electrolyte membrane, anode, and/or cathode
Solid oxide fuel cells selectively transport oxygen ions through an electrolyte membrane. The maximum oxygen ion transport rate limits the power density of the fuel cell. By ion irradiating the electrolyte membrane and/or the cathode, the oxygen adsorption, dissocia...
11/25/2008
7455565Fabrication of group III-nitride photocathode having Cs activation layer
Improved photocathodes are provided by a fabrication method including steps of wet chemically cleaning the photocathode emission surface (to reduce the level of cleaning-induced surface damage), two stage heat treatment (to complete the cleaning without desorbing ni...
11/25/2008
7454290GPS/INS vehicle attitude system
Systems are provided to increase the robustness of a low-cost GPS system by coupling it with an INS system, and by using one-satellite attitude determination in conjunction with the traditional multiple-satellite method. The system has demonstrated accuracy and robu...
11/18/2008
7452916Enhancement of vascular function by modulation of endogenous nitric oxide production or activity
Endothelial nitric oxide production is enhanced by administration of arginine or lysine as a dietary supplement. Enhanced nitric oxide production from arginine supplementation improves vascular function and structure. Additional compounds may be administered with ar...
11/18/2008
7450993Methods for selective stimulation of a ganglion
Some embodiments of the present invention provide stimulation systems, components and methods for stimulation of the spinal cord and the nervous system. Additional embodiments provide for selective stimulation and/or neuromodulation of one or more dorsal root gangli...
11/11/2008
7449884Enhanced spectral selectivity for steady-state free precession imaging
A method of collecting image data with selective spectral suppression for at least two species is provided. A sequence of RF excitation pulses is repeatedly applied, whereby a repeated sequence of at least two substantially different spectrally selective steady-stat...
11/11/2008
7448131Method of making gate for charged particle motion
A Bradbury-Nielson gate (BNG) includes a set of evenly spaced, co-planar, and parallel wires. The wires alternate in a repeating ABAB pattern, where all of the A wires are electrically connected to each other, all of the B wires are electrically connected to each ot...
11/11/2008
7447547Neural prosthesis based on photomechanical deflectors and tactile sensory cells
An interface for selective excitation of a biological neural network is provided. The interface includes a microelectromechanical (MEMS) device having a deformable membrane, and a tactile-sensitive neural cell disposed on the deformable membrane. The cell on the def...
11/04/2008
7447546Methods of neurostimulating targeted neural tissue
Some embodiments of the present invention provide methods of neurostimulating targeted neural tissues. Also described are stimulation systems and components for selective stimulation and/or neuromodulation of one or more dorsal root ganglia through implantation of a...
11/04/2008
7446311Method of coating an electrospray emitter
The present invention provides a method of coating an electrospray emitter with silver and then gold utilizing wet-coating processes. First, the electrospray emitter is immersed in a silver-containing liquid solution to coat the electrospray emitter in a layer of si...
11/04/2008
7445605Detection of apex motion for monitoring cardiac dysfunction
Systems, devices and methods for detecting and monitoring cardiac dysfunction. The devices include motion sensors for detecting signals representative of the total movement of the heart, and of the apex of the heart in particular. ...
11/04/2008
7444856Sensors for electrochemical, electrical or topographical analysis
Sensors and systems for electrical, electrochemical, or topographical analysis, as well as methods of fabricating these sensors are provided. The sensors include a cantilever and one or more probes, each of which has an electrode at its tip. The tips of the probes a...
11/04/2008
7446526RF field mapping for magnetic resonance imaging
For in vivo magnetic resonance imaging at high field (≧3 T) it is essential to consider the homogeneity of the active B1 field (B1+), particularly if surface coils are used for RF transmission. A new method is presented for highly rapid B
11/04/2008
7442499Substrates comprising polynucleotide microarrays
A method of determining the relative amounts of individual polynucleotides in a complex mixture of different-sequence polynucleotides is disclosed. The polynucleotides, after fluorescent labeling, are contacted under hybridization conditions with an array of differe...
10/28/2008
7439740Artifact reduction in steady-state free precession imaging
A method of reducing artifacts in steady-state free precession (SSFP) signals for use in magnetic resonance imaging is provided. A plurality of SSFP imaging sequences is applied to an object. An imaging data for each of the SSFP imaging sequences is acquired. The im...
10/21/2008
7439739Anti-aliased magnetic resonance image reconstruction using partially parallel encoded data
Disclosed is a method of providing magnetic resonance image reconstruction from k-space data obtained from any trajectory of k-space using multiple receiver coils. An image is constructed for data from each coil, and then the multiple coil images are combined such a...
10/21/2008
7431838Gas/ion species selective membrane support by multi-stage nano-hole array metal structure
An improved two-step replication process for fabrication of porous metallic membranes is provided. A negative of a porous non-metallic template is made by infiltration of a liquid precursor into the template, curing the precursor to form a solid negative, and removi...
10/07/2008
7423265Near-field aperture having a fractal iterate shape
Near-field electromagnetic devices having an opaque metallic screen with a fractal iterate aperture are provided. More specifically, the aperture is obtained by application of a self-similar replacement rule to an initial shape two or more times. Alternatively, the ...
09/09/2008
7422191Bistable miniature valve
A bistable minivalve includes a movable component, an actuator that is electrostatically, magnetically, or mechanically coupled to the movable component for controllably switching the movable component between open and closed states, and a casing providing structura...
09/09/2008
7423133Fluorescent glycosides and methods for their use
Fluorescent glycosides containing aromatic hydrocarbon groups are useful in labelling and detection methods for a wide array of chemical and biological molecules. Assembly of multiple analogs to form “polyfluors” affords fluorescence properties that are differen...
09/09/2008
7419639Multilayer microfluidic device
The present invention provides microfluidic devices constructed from four layers. The layers include a rigid substrate layer, a patterned rigid layer having thickness t, a patterned elastomeric layer having thickness greater than t, and a rigid support layer. Microf...
09/02/2008
7416699Carbon nanotube devices
Nanotubes and nanotube-based devices are implemented in a variety of applications. According to an example embodiment of the present invention, a nanotube is adapted to pass current between two conductive elements. In one implementation, each conductive element incl...
08/26/2008
7417219Effect of the plasmonic dispersion relation on the transmission properties of subwavelength holes
Using a realistic plasmonic model, an optically thick electrically conductive film with subwavelength hole or holes therein is shown to always support propagating modes near the surface plasmon frequency, where cross-sectional dimensions of the hole or holes are les...
08/26/2008
7418166Device and approach for integration of optical devices and waveguides therefor
Optical devices having integrated waveguide and active areas are realized using a crystallization approach involving the inhibition of defects typically associated with liquid-phase crystalline growth of lattice mismatched materials. According to one example embodim...
08/26/2008
7414730High precision interferometer apparatus employing a grating beamsplitter
Measurement of a distance change between a reference surface and a target is provided. A substrate has a first surface facing the target and including a grating. The grating and target combine to form an optical interferometer responsive to changes in distance betwe...
08/19/2008
7412127Photonic crystal reflectors/filters and displacement sensing applications
We introduce a mechanically tunable photonic crystal structure consisting of coupled photonic crystal slabs. Using both analytic theory, and first-principles finite-difference time-domain simulations, we demonstrate that the transmission and reflection coefficients ...
08/12/2008
7410133Miniature trailing edge effector for aerodynamic control
Improved miniature trailing edge effectors for aerodynamic control are provided. Three types of devices having aerodynamic housings integrated to the trailing edge of an aerodynamic shape are presented, which vary in details of how the control surface can move. A bu...
08/12/2008
7410759Compositions and methods for diagnosing and treating mood disorders
The present invention provides methods for diagnosing mental disorders such as mood disorders, including bipolar disorder I and II and major depression. The invention also provides methods of identifying modulators of such mental disorders as well as methods of usin...
08/12/2008
7408345Generalized MRI reconstruction with correction for multiple image distortion
Disclosed is an effective algorithm to correct motion-induced phase error using an iterative reconstruction. Using a conjugate-gradient (CG) algorithm, the phase error is treated as an image encoding function. Given the complex perturbation terms, diffusion-weighted...
08/05/2008
7409033Tomographic reconstruction for x-ray cone-beam scan data
Disclosed is x-ray cone beam scan data reconstruction of an imaged object with a reconstruction algorithm using shift invariant filtering and backprojection with the maximum tomographic capability of a circular scan larger than p plus cone angle, when CB data is not...
08/05/2008
7405531Torque-position transformer for task control of position controlled robots
Torque control capability is provided to a position controlled robot by calculating joint position inputs from transformation of the desired joint torques. This is based on calculating the transfer function 1/E(s), which relates the desired joint torque to joint pos...
07/29/2008
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