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8642962 Dual narrow-broad focus sensing of proximity  
A proximity detection system is described among devices in a unified communications network. A narrow beam LED and a diffuse beam LED, both located near a first object, such as a computer monitor,...
8570495 Whole blood immunity measuring device and whole blood immunity measuring method  
A whole blood immunity measuring device includes a hemolytic reagent supply device that supplies a hemolytic reagent to a whole blood sample, a first light source that irradiates light on a first...
8560034 Signal processing apparatus  
The present invention involves method and apparatus for analyzing two measured signals that are modeled as containing primary and secondary portions. Coefficients relate the two signals according...
8462321 Methods and systems for discriminating bands in scalograms  
The present disclosure is directed towards embodiments of systems and methods for discriminating (e.g., masking out) scale bands that are determined to be not of interest from a scalogram derived...
8377381 Optical format  
An optical waveguiding optical format enables consistent optical analysis of small sample volumes. The optical format is comprised of an illumination light guide, a read window upon which a sample...
8289501 Methods and systems for discriminating bands in scalograms  
The present disclosure is directed towards embodiments of systems and methods for discriminating (e.g., masking out) scale bands that are determined to be not of interest from a scalogram derived...
8285352 Systems and methods for identifying pulse rates  
According to embodiments, techniques for using continuous wavelet transforms and spectral transforms to identify pulse rates from a photoplethysmographic (PPG) signal are disclosed. According to...
8199990 Reducing variation in radiation therapy treatment planning  
A method and apparatus are disclosed that reduces variation in radiation therapy treatment planning among plurality of users within the same or different geographic locations. The system includes...
8175368 Systems and methods for image segmentation with a multi-state classifier  
The systems and methods described herein provide for fast and accurate image segmentation through the application of a multi-stage classifier to an image data set. An image processing system is...
8077297 Methods and systems for discriminating bands in scalograms  
The present disclosure is directed towards embodiments of systems and methods for discriminating (e.g., masking out) scale bands that are determined to be not of interest from a scalogram derived...
7952692 Method and apparatus for determination of analyte concentration  
A method and system are presented for use in determination of the concentration of an analyte in a subject's medium. The medium is irradiated with at least two radiation components to produce...
7944551 Systems and methods for a wavelet transform viewer  
Techniques for the display of a signal with a wavelet transform of that signal in a wavelet transform viewer are disclosed, according to embodiments. According to embodiments, the wavelet...
7858380 Sol-gel encapsulated hexanuclear clusters for oxygen sensing by optical techniques  
A light modifying ceramic composition comprises an oxygen permeable sol-gel matrix and a lumophore held on the matrix. In particular, the lumophore of the invention is a hexanuclear...
7774047 Optical measurement instrument for living body  
An optical measurement instrument for a living body to measure dynamic change of blood of a brain includes light incident units for irradiating light on a head of a subject, a light detector for...
7710550 Oximeter for spectro-photometric in-vitro determination of hemoglobin derivatives  
An oximeter for spectro-photometric in-vitro determination of hemoglobin derivatives in a sample, typically a hemolyzed blood sample, is provided comprising a single measurement light source...
7561256 Method and apparatus for determining blood oxygen  
A measuring cell for receiving a blood sample is designed such that it can be transilluminated with a light source. The light source and a means for determining the luminous intensity...
7444005 Apparatus and method for using optical mouse engine to determine speed, direction, position of scanned device and to obtain quantitative or qualitative data from same  
A test strip reader is provided with an optical mouse integrated circuit sensor that reads the test line, reference line and control line of a lateral flow assay strip by light absorption and...
7346378 Light transmission simulator for pulse oximeter  
A living tissue light transmission simulator system (208, 308) includes receptors of light (215, 216, 315, 316) in portions of the infrared and red spectral bands and the receptors (215, 216, 315,...
7326579 Immunoassay method for lyzed whole blood  
The present invention provides an immunoassay method in which blood can be measured even without pretreatment by means of a centrifuge etc. In the present invention, antibodies or antigens in a...
7230688 System and method for processing information in a pulse oximeter  
A pulse oximeter for measuring arterial oxygen saturation levels is provided. The pulse oximeter includes an LED signal generator for transmitting one or more light signals to a testing medium and...
RE39268 Simulation for pulse oximeter  
A method and system for simulating living tissue which is to be monitored by a pulse oximeter that provides red and infrared light flashes, the system including structure for: converting the red...
6985767 Living body information measuring apparatus, living body information measuring method, body fat measuring apparatus, body fat measuring method, and program recording medium  
A body fat measuring apparatus is provided with a light emitting device 1 for projecting light rays to a subject's tissue, light receiving devices 3 and 4 for detecting a transmitted light ray...
6980285 Method in quality control of a spectrophotometer  
The present invention relates to a method in quality control of a spectrophotometer, comprising the steps of determining with the spectrophotomer a spectrum Am(λ) of a fluid QC sample containing a...
6937884 Method and system for imaging the dynamics of scattering medium  
A method and system for imaging the dynamics of a scattering medium (116) is provided. The method and system generates contrast and resolution enhanced images of dynamic properties of a medium...
6864716 Reconfigurable memory architecture  
A pre-diffused high density array of core memory cells is provided in a metal programmable device. The peripheral logic is made up of gate array cells in the metal programmable device. The...
6825619 Feedback-controlled LED switching  
An oximeter has an op-amp with a first input, a second input, and an output, the first input being directly connected to a reference voltage. A switch has an input connected to the output of the...
6720734 Oximeter with nulled op-amp current feedback  
A method of producing a diode drive current in an oximeter includes sensing at least a part of a current passing through the diode and converting the sensed current to a sensed voltage, inputting...
6657183 Amusement system using living body measurement by light, head setter for the amusement system, and program for use in the amusement system  
Disclosed herein is an amusement system that can be used and enjoyed by different persons without using the brain continuously and with little feeling of fatigue and which permits setting a probe...
6657717 Device for verifying the accuracy of a spectral analyzer  
The present invention provides an artificial member (80, 210) which mimics the absorbance spectrum of a body part and includes the spectral components of blood analytes. The artificial member...
6564077 Method and apparatus for pulse oximetry  
An apparatus for determining the oxygenation of blood. The apparatus includes a detector that is configured to sense a first signal of a first wavelength, the first signal having a first arterial...
6526309 Transcranial in vivo examination of brain tissue  
An optical system and method for transcranial in vivo examination of brain tissue includes a spectrophotometer coupled to an array of optical fibers and a processor. The array of optical fibers is...
6487439 Glove-mounted hybrid probe for tissue type recognition  
A probe configured as a finger tip of a glove used to recognize tissue types in a human patient and adapted to perform both optical and electrical measurements to diagnose tissue type while...
6305804 Non-invasive measurement of blood component using retinal imaging  
Illuminating light of selected wavelengths in the visible or infrared range is projected through the pupil of the eye onto the fundus, and the light reflected back and out through the pupil is...
6226539 Pulse oximeter having a low power led drive  
A photometer (10) includes a light source (12) operable to direct light toward a sample (14), a detection circuit (16) operable to detect the light after it has passed through the sample, and a...
6192260 Methods and apparatus for examining tissue in vivo using the decay characteristics of scattered electromagnetic radiation  
Methods and apparatus using the principles of time-resolved spectroscopy are disclosed. The present invention employs incident light pulses of sufficiently short duration to permit the rate of the...
6151107 Method of non-invasive determination of oxygen saturation in tissue in which blood is circulating  
In a method for the non-invasive determination of the oxygen saturation in tissue supplied with blood, the tissue is irradiated with red and infrared light and the DC and AC components of the...
6144444 Apparatus and method to determine blood parameters  
The present invention relates to an apparatus for monitoring blood parameters during cardio-pulmonary bypass surgery or during other procedures which utilize an extracorporeal circuit. The...
6133994 Testing device for light emitters  
A device for testing a pulse oximetry probe includes means for receiving an output signal dependent on the wavelength of light emitted by a light emitter of the probe, and for determining, from...
6084676 Non-contact non-invasive measuring method and apparatus  
The distance between an image indicating a measured portion and a measuring apparatus is previously registered, a measured object is arranged in a prescribed space in a non-contact state, the...
6084661 Optical method and apparatus for measuring carbon monoxide in non-hemolyzed blood  
Carbon Monoxide (CO) is a colorless, tasteless, and odorless gas which causes asphyxiation by combining with a strong affinity to blood hemoglobin. Unless a patient is quickly identified as having...
6064899 Fiber optic oximeter connector with element indicating wavelength shift  
An oximeter probe segment with a first fiber optic for carrying light to a patient, and a second fiber optic for carrying return light from the patient. The light is of a wavelength spectrum which...
H001843 Optical sensor for measuring fluorescence anisotropy during polymer processing  
An optical sensor containing polarizing optical components measures fluorescence anisotropy of fluorescent dyes. The measurement involves the detection of vertical and horizontal components of...
6031603 Sensor, method and device for optical blood oximetry  
There is described a new sensor for optical blood oximetry as well as a method and apparatus in which the new sensor is used. The new sensor includes two point-like light emitters (23,24)...
6023541 Active optical oximeter probe adapter  
An adapter which actively connects a 2-lead oximeter probe or monitor to a 3-lead monitor or probe. This is done actively, with the alternating drive signals from the oximeter monitor providing a...
6005658 Intermittent measuring of arterial oxygen saturation of hemoglobin  
Described is a method and a system for detecting the arterial oxygen saturation of hemoglobin (also called blood oxygenation, SpO2 or SaO2 measuring), comprising a measuring device for performing...
5995208 Intravascular oximetry catheter  
Apparatus and a method for monitoring a percentage of the oxygen saturation in the hemoglobin of blood flowing through a blood vessel. An optical sensor that detects the percentage oxygen...
5983122 Apparatus and method for improved photoplethysmographic monitoring of multiple hemoglobin species using emitters having optimized center wavelengths  
An improved method and apparatus for the photoplethysmographic monitoring of blood analyte parameters, specifically oxyhemoglobin, deoxyhemoglobin (reduced hemoglobin), carboxyhemoglobin and, in...
5935076 Method and apparatus for accurately measuring the transmittance of blood within a retinal vessel  
The method and apparatus for measuring the transmittance of blood within a retinal vessel detects the intensity of light reflected from illuminated portions of an eye, including the retinal vessel...
5891024 Two stage calibration and analyte measurement scheme for spectrophotomeric analysis  
A two-stage statistical calibration and measurement method and system is disclosed for performing photoplethysmographic measurement of blood analyte concentrations. Concentrations in a tissue...
RE36000 Adhesive pulse oximeter sensor with reusable portion  
A pulse oximeter sensor that is designed to surround an appendage of the patient, such as a finger, toe or foot is disclosed. The sensor has a reusable member which preferably includes a...

Matches 1 - 50 out of 294 1 2 3 4 5 6 >