Natus Medical Patent Applications

EYE-IMAGING APPARATUS AND METHOD EMPLOYING SEQUENTIAL FLASHING OF ILLUMINATION LIGHT IN SYNCHRONIZATION WITH THE OPERATION OF AN IMAGE SENSOR

Granted: March 7, 2024
Application Number: 20240074660
An eye-imaging apparatus including red, green, and blue light sources, one or more optical lenses, a light guide cable to transmit light from the light source, a one-chip color image sensor including a shutter, the color image sensor being operable to measure red, green, and blue light in the imaging path and transmit measured colored light in respective red, green, and blue channels. The red, green, and blue light sources are sequentially flashed in synchronization with the operation of…

DEVICE FOR GENERATING SENSORY STIMULATION FOR A CHILD

Granted: May 18, 2023
Application Number: 20230149660
A device for producing sensory stimuli for a child by means of a body made of an elastic material and a bellows which is embedded in the elastic material of the body, including a first converter device for generating a fluid flow for moving a lying surface for a child, a second converter device for generating sound in a fluid, which corresponds at least to either heart sounds or human speech or music, and a fluid line for simultaneously conducting the fluid flow generated by the first…

Audiometer System with Light-based Communication

Granted: May 18, 2023
Application Number: 20230153053
An audiometer system including an audiometer device that includes an audiometer digital signal processing (DSP) unit, an audiometer baseband processing unit positioned, and an audiometer light-based transceiver. The system further includes a transducer including a transducer light-based transceiver in optical communication with the audiometer light-based transceiver, a transducer baseband processing unit, a transducer processor unit, and an audio speaker.

Eye-Imaging System and Apparatus with Coordinated Illuminator Fibers Having a Skewed Fiber Angle

Granted: March 9, 2023
Application Number: 20230077076
A prism array light redistribution apparatus for an eye imaging system including light transmitting fibers, light receiving fibers, and a micro prism array optically coupled to bridge the light transmitting fibers and the light receiving fibers, configured to receive light having a bell-shaped angular distribution from the light transmitting fibers and refract light emitted by the light transmitting fibers to enter the light receiving fibers

Wideband Acoustic Immittance Measurement Apparatus

Granted: October 21, 2021
Application Number: 20210321911
A wideband acoustic immittance measurement apparatus including an ear probe having an acoustic output port for emitting sound into an ear canal and an acoustic input port for receiving sound from the ear canal, a loudspeaker that is acoustically connected with the acoustic output port, a microphone acoustically connected with the acoustic input port for generating an audio signal as a function of sound received at the acoustic input port, and a processor for controlling the loudspeaker…

Vestibular Testing Apparatus

Granted: October 7, 2021
Application Number: 20210307654
A system for detecting and recording head orientations of a person includes: a first sensor device capable of providing sensor data regarding a head orientation of a person in a three-dimensional space; a data acquisition system configured for storing and outputting the sensor data from the first sensor device; and a processor configured for processing the sensor data from the data acquisition system, outputting a first signal representing the head orientation, and generating an image…

EYE-IMAGING SYSTEM AND APPARATUS

Granted: April 15, 2021
Application Number: 20210106222
An eye-imaging apparatus and system is described including arrayed optical fibers having a high numerical aperture and circular fiber array ends arranged at skewed angles relative to the optical axis of the imaging path. Circular fiber array ends are arranged to emit the illumination light into an eye at a skewed angle and a light intensity distribution converter along the illumination path to convert a bell-shaped distribution into a top-hat distribution. As a result, illumination…

Prism Array and Apparatus for Eye-Imaging System

Granted: April 15, 2021
Application Number: 20210106223
A prism array light redistribution apparatus for an eye imaging system including light transmitting fibers, light receiving fibers, and a micro prism array optically coupled to bridge the light transmitting fibers and the light receiving fibers. The array may be further configured to receive light having a bell-shaped angular distribution from the light transmitting fibers and refract the received light to enter the light receiving fibers such that a square-shaped angular distribution of…

EYE-IMAGING APPARATUS AND METHOD EMPLOYING SEQUENTIAL FLASHING OF ILLUMINATION LIGHT IN SYNCHRONIZATION WITH THE OPERATION OF AN IMAGE SENSOR

Granted: April 15, 2021
Application Number: 20210106224
An eye-imaging apparatus and system is described including circular fiber array ends arranged at skewed angles relative to the optical axis of the imaging path, a light intensity distribution converter along the illumination path to convert a bell-shaped distribution into a top-hat distribution, an image sensor, and high frequency response light source(s) operating in flash illumination mode in synchronization with the image sensor. As a result, unnecessary exposure of illumination light…

VESTIBULAR TESTING APPARATUS

Granted: January 16, 2020
Application Number: 20200015715
A system for detecting and recording head orientations of a person includes: a first sensor device capable of providing sensor data regarding a head orientation of a person in a three-dimensional space; a data acquisition system configured for storing and outputting the sensor data from the first sensor device; and a processor configured for processing the sensor data from the data acquisition system, outputting a first signal representing the head orientation, and generating an image…

System for Sleep Stage Determination Using Frontal Electrodes

Granted: November 29, 2012
Application Number: 20120302842
The described embodiments relate generally to methods, systems and devices for sleep stage determination using frontal electrodes. Certain embodiments relate to a system for sleep stage determination comprising a sensing unit and a processing unit. The sensing unit is positioned over a forehead area of a patient and has first, second and third electrodes for positioning at locations on or adjacent the forehead area for detecting electrical potentials of a human head. The processing unit…

Method for automatic non-cooperative frequency specific assessment of hearing impairment and fitting of hearing aids

Granted: March 8, 2012
Application Number: 20120059274
A method and device for automatically assessing loss of hearing sensitivity and compression (recruitment) with user defined frequency resolution by means of extrapolated DPOAE I/O functions and ABRs as well as for automatically fitting hearing aids without any cooperation of the subject tested using a device having a display screen attached to a handheld device generating and collecting otoacoustic emission signals and brain stem response signals into a programmed with a clinical…

Method and apparatus for automatic non-cooperative frequency specific assessment of hearing impairment and fitting of hearing aids

Granted: July 5, 2007
Application Number: 20070156063
A method and device for automatically assessing loss of hearing sensitivity and compression (recruitment) with user defined frequency resolution by means of extrapolated DPOAE I/O functions and ABRs as well as for automatically fitting hearing aids without any cooperation of the subject tested using a device having a display screen attached to a handheld device generating and collecting otoacoustic emission signals and brain stem response signals into a programmed with a clinical…

Ear coupler

Granted: November 4, 2004
Application Number: 20040216947
A one-piece, transparent flexible ear coupler for use with hearing evaluation is disclosed. It includes an annular side wall and a bottom wall forming an acoustic chamber. A flexible adhesive-backed flange is disposed on the periphery of the ear coupler. The flange attaches to the subject's head, firmly holding the ear coupler in place over the ear. The annular side wall has a port for the placement of a transducer assembly, and also has ribs to help lock the transducer assembly in…