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Pillow with retractable umbrella

A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.

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Class 73/645 - Acoustic parameter


Subclass of Class 73 - Measuring and testing
Definition: Subject matter for determining sonic characteristics of
No. of patents: 53
Last issue date: 11/23/2010


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NumberTitleIssue Date
7836769Apparatus and method of measuring acoustical energy applied to a substrate
An apparatus and method for measuring the acoustical energy that will be applied to a substrate during cleaning. A substrate is provided that has placed upon it a piezoelectric member that is capable of sensing the acoustical power that is transmitted. This enables ...
11/23/2010
7415365Structure-borne sound sensor unit
A structure-borne sound sensor unit, in particular for an agricultural machine, includes a signal converter, which converts a mechanical sensor signal into an electrical sensor signal, and preprocessing electronics, which are connected with the signal converter. The...
08/19/2008
7334452Method for characterizing materials by using a mechanical resonator
Methods for monitoring a fluid composition include placing a mechanical resonator in the fluid composition and oscillating the resonator. The resonator can be a tuning fork resonator having tines oscillated in opposite directions and in opposite phases. A variable f...
02/26/2008
7328624Probe for measuring parameters of a flowing fluid and/or multiphase mixture
A probe 10,170 is provided that measures the speed of sound and/or vortical disturbances propagating in a single phase fluid flow and/or multiphase mixture to determine parameters, such as mixture quality, particle size, vapor/mass ratio, liquid/vapor ratio, ...
02/12/2008
7328131Implantable pedometer
An implantable pedometer for measuring the amount of joint use is disclosed. The implantable pedometer includes a sensor adapted for detecting indicators of joint usage. A counter is configured for storing count data corresponding to the number of indicators detecte...
02/05/2008
7315244Excessive noise level alerting device
A sound-detection and alerting system (SDAS) is designed for use in hospitals, offices, or other environments where excessive noise levels are of concern. The SDAS depends on several variables to trigger an alarm so that false alarms are kept to a minimum. A microph...
01/01/2008
7270006Single button operating sound level meter and method therefor
A sound level monitor device has a microphone. A sound level measurement circuit is coupled to the microphone. The sound level measurement circuit takes sound signals monitored by the microphone and converts the sound signals to digital signals. A display is coupled...
09/18/2007
7254987Method and system for conducting an on-site measurement of the density of an insulation material
Method for conducting an on-site measurement of a density value of an insulation material is provided, comprising: (a) providing an acoustic source for emitting a sound wave; (b) directing the sound wave emitted from the acoustic source through a waveguide and at an...
08/14/2007
7237440Flow measurement apparatus having strain-based sensors and ultrasonic sensors
A flow measurement apparatus is provided that combines the functionality of an apparatus that uses strain-based sensors and ultrasonic sensors to measure the speed of sound propagating through a fluid flowing within a pipe, and measure pressures disturbances (e.g. v...
07/03/2007
7159472Apparatus for determining fluid flow
An apparatus for determining the flow rate of a fluid in a pipe. The apparatus includes a device for providing acoustic energy on a diametrical path through the fluid. The diametrical providing device is in contact with the pipe. The apparatus also includes a signal...
01/09/2007
7151835Personal noise monitoring apparatus and method
The present invention relates to a method, system and device for monitoring noise received by individuals operating in noisy environments. The device comprises a substantially credit card size housing and can be worn as a “badge”. The device includes a mo...
12/19/2006
7058549Apparatus and method for measuring unsteady pressures within a large diameter pipe
An apparatus 10 is provided that includes a spatial array of at least two unsteady pressure sensors 18–21 placed at predetermined axial locations x1–xN disposed axially along a pipe 14 for measuring at least one paramet...
06/06/2006
7026943Acoustic wave ice and water detector
An acoustic wave sensor utilizes one or more acoustic waves trapped in an acoustic wave cavity to detect the presence of one or more substances on a surface of the acoustic wave cavity. To detect the presence of ice, a trapped torsional acoustic wave is used. To det...
04/11/2006
6988411Fluid parameter measurement for industrial sensing applications using acoustic pressures
In industrial sensing applications at least one parameter of at least one fluid in a pipe 12 is measured using a spatial array of acoustic pressure sensors 14,16,18 placed at predetermined axial locations x1, x2, x3 along the pipe ...
01/24/2006
6968740Systems and methods for determining an acoustic and/or thermal characteristic of a target material
A system and method for determining an acoustic and/or thermal characteristic of a target material are provided. The system includes an acoustic source arranged to direct a sound wave at a target material; a device for measuring a sound pressure generated by at leas...
11/29/2005
6920399Method and apparatus for determining the composition of fluids
A method and apparatus for analyzing a fluid to obtain the concentrations of N of its components, N being at least three. The method comprises the steps of bringing a sample of the fluid to a plurality of successive temperatures, measuring a combined total of at lea...
07/19/2005
6878237Machine and process for operating a machine to monitor vibrations
Machine and process for operating machine having at least one roll and an opposing surface arranged to form at least one nip. The machine includes at least one roll and an opposing surface arranged to form at least one nip. A sound measuring device is arranged to co...
04/12/2005
6857312Systems and methods for sensing an acoustic signal using microelectromechanical systems technology
An acoustic system has an acoustic sensor and a processing circuit. The acoustic sensor includes a base, a microphone having a microphone diaphragm supported by the base, and a hot-wire anemometer having a set of hot-wire extending members supported by the base. The...
02/22/2005
6789518Method and system for identifying valve clearances and position of valve opening cams
In a method and system, the condition of a valve drive, particularly of valve clearance, and the position of at least one valve opening cam of a cam shaft of an internal combustion engine are recorded from processing signals which are generated by at least one impac...
09/14/2004
6786633Method and arrangement for acoustically determining a fluid temperature
In a method and an arrangement for acoustic determination of an instantaneous fluid temperature, acoustic velocity V in a fluid is monitored and an output signal related to the acoustic velocity is generated. A conventional temperature sensor senses a fluid temperat...
09/07/2004
6752018Method and apparatus for characterizing an acoustic impedance
In one embodiment of the present invention, an apparatus for characterizing an acoustic impedance of an engineering component acoustically coupled to an acoustic waveguide includes: a pressure measurement apparatus adapted to be moved and to be disposed to measure p...
06/22/2004
6584848Non-destructive evaluation method employing dielectric electrostatic ultrasonic transducers
An acoustic nonlinearity parameter (ଲ) measurement method and system for Non-Destructive Evaluation (NDE) of materials and structural members novelly employs a loosely mounted dielectric electrostatic ultrasonic transducer (DEUT) to receive and conv...
07/01/2003
6443010Audible air flow detector for air filters
An apparatus for detecting blockage of a porous medium of an air filter utilized to filter air within a forced air stream contained within an enclosure. The air filter extends in a direction transverse to a direction of the forced air stream. The detectio...
09/03/2002
6343513Non-destructive evaluation method and apparatus for measuring acoustic material nonlinearity
An acoustic non-linearity parameter (ଲ) measurement method and system for Non-Destructive Evaluation (NDE) of materials and structural members obviates the need for electronic calibration of the measuring equipment. Unlike known substitutional measu...
02/05/2002
6311156Apparatus for determining aerodynamic wind of utterance
The present invention relates to the detection, analysis, and recognition of speech and is especially concerned with systems utilizing speech air flow, and, particularly concerned with positioning a plurality of transducers in front of a speaker's mouth f...
10/30/2001
6098463Method and apparatus for measurement of wide dynamic range signals
A method and apparatus for measurement of wide dynamic range signals is provided. The method and apparatus is particularly suited to measurement of physical parameters over a wide dynamic range and utilizes a plurality of concurrently operating channels o...
08/08/2000
6094987Method and apparatus for ultrasonic wave measurement
First and second ultrasonic sensors 1A and 2A are arranged facing each other, and these ultrasonic sensors 1A and 2A are provided with first and second reflectors 1 and 2 on their surface, respectively, and thereby, a propagation time tt of ult...
08/01/2000
6029522Ultrasonic apparatus for characterizing wooden members
Ultrasonic techniques are applied to the measurement of wooden members to identify localized anomalies internal to the wooden members substantially smaller than the full width of the ultrasonic beam. Multiple spatially displaced measurements allow generat...
02/29/2000
5804698Method and system for measuring fluid parameters by ultrasonic methods
A system for measuring fluid parameters of one or more liquids by an ultrasonic method comprises a voltage controlled oscillator; an ultrasonic resonator comprising one or more resonator cells, each of the resonator cells comprising an electro-acoustical ...
09/08/1998
5713540Method and apparatus for detecting railway activity
A highly reliable early warning system that can provide efficient detection of railway activity and early warning of dangerous railway conditions to train operators and to central dispatch control offices. The warning system has an acoustic sensor circuit...
02/03/1998
5656428Homogeneous bioassay using acoustic emission spectroscopy
A system and method for homogeneous bioassay uses acoustic energy emissions. A measurement cell is designed for binding reactions of mobile biorecognition molecules. The binding reaction contained in the measurement cell is for example a ligand/receptor b...
08/12/1997
5533402Method and apparatus for measuring acoustic parameters in liquids using cylindrical ultrasonic standing waves
Methods and apparatus are disclosed for analyzing liquids utilizing cylindrical acoustic standing waves, generally in the ultrasonic region. The invention facilitates measurement of acoustic parameters of a fluid, such as sound velocity and attenuation, w...
07/09/1996
5478756Chemical sensor for detecting binding reactions
A chemical sensor includes a piezoelectric support (1) capable of supporting a shear horizontal wave provided on its surface with an electrode (2,3). The sensor is characterized in that the surface of the piezoelectric support (1) including the region bea...
12/26/1995
5420581Maternal sound level device and method for protecting fetal hearing
The present invention is a maternal sound level device that functions to protect fetal hearing by alerting the mother whenever her fetus is exposed to sound pressure levels (SPL) which exceed predetermined levels. The device is comprised of a microphone (...
05/30/1995
5374521Acoustic reflection process for molecular sensing using a bulk acoustic wave quartz sensor
A passive process for selectively sensing analyte molecules in a fluid by reflection of acoustic waves from a sensing surface of a bulk accoustive wave quartz sensing device to which analyte molecules bind is provided. The sensing surface has a plurality ...
12/20/1994
5347496Method and system of mapping acoustic near field
A method and system for mapping the acoustic near field of a stationary al symmetric structure are provided. The structure is subjected to a rotating excitation energy profile from a plurality of stationary excitation sites located radially around the st...
09/13/1994
5337610Method of determining load in anisotropic non-crystalline materials using energy flux deviation
An ultrasonic wave is applied to an anisotropic sample material in an initial direction and the intensity of the ultrasonic wave is measured on an opposite surface of the sample material by two adjacent receiving points located in an array of receiving po...
08/16/1994
5305641Method for evaluation of acoustic anisotropy and measuring apparatus therefor
Increasing use of thermo-mechanically treated high strength steels in construction projects has created a need for on-site inspection of welded joints by ultrasonic techniques. However, such steels are acoustically anisotropic, and corrections of test res...
04/26/1994
5097512Transducer testing
A phased array of transducers is placed in contact with a block (15) of sound absorbent material surrounded by a housing (12) in such a manner that the block and housing together define an effectively anechoic chamber. A plurality of transducer elements (...
03/17/1992
4811605Apparatus and method for inspecting the degradation of a gas nozzle
The present disclosure describes an apparatus and a method for inspecting the degradation of a gas nozzle. The nozzle is of the type that can produce a whistle when a gas is blown through the nozzle. The method comprises the steps of detecting an acoustic...
03/14/1989
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