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| Number | Title | Issue Date |
| 7353708 | Ultrasonic generator system The system controls the frequency of an ultrasonic signal to be applied to a waveguide, such that the frequency corresponds to a preferred resonance mode of the waveguide and not to adjacent undesirable resonance modes. The system operates by carrying out a first sc... | 04/08/2008 |
| 7328624 | Probe 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 |
| 7290455 | Driver configuration for an ultrasonic flow meter A method and system for driver configuration for an ultrasonic meter. At least some of the illustrative embodiments are ultrasonic meters comprising a spool piece that couples within a flow of fluids, a first upstream transducer mechanically coupled to the spool pie... | 11/06/2007 |
| 7282884 | Procedure for driving a moveable part of an item of furniture A method of driving a moveable part and, in particular, a drawer by a drive unit and, in particular, an electric drive unit. At least over a partial length of track (S2), forming part of the total track traversed by the moveable part, the force exerted on... | 10/16/2007 |
| 7283423 | System and method for position determination of objects A method and a system (400) for detection and position determination of chips (100), which transmit ultrasound signals in a room. The system (400) comprises electronic identification chips (100), which are attached to objects that have to... | 10/16/2007 |
| 7277012 | Broad field motion detector A motion sensing system device and method which utilize dispersed ultrasonic radiation is disclosed. The system preferably comprises a low profile sensor unit configured to couple to a ceiling position. The sensor unit comprises an ultrasonic transmitter and an ultr... | 10/02/2007 |
| 7272075 | Personal sonar system The sonar device includes a sonar transducer, a noise filter, a microprocessor and an output device. The system warns the user when a hazardous objects is detected or when signals from companions decrease. The portable sonar device can be built into various waterspo... | 09/18/2007 |
| 7267281 | Location, orientation, product and color identification system for the blind or visually impaired Barcode scanning and digitizing technology incorporated in the tip of a white cane for the blind, which houses barcode reader, sonar, color sensory and audio production mechanisms. Apparatus detects and announces via audio or vibratory output, obstacles, drop-offs, ... | 09/11/2007 |
| 7263373 | Sound-based proximity detector A proximity detector for use in a mobile telephone having at least a microphone and a loudspeaker operatively connected to a signal processor is presented. The proximity detector includes data processing and control modules having a module for controlling the signal... | 08/28/2007 |
| 7249287 | Methods and apparatus for providing alarm notification A method for indicating an alarm condition in an industrial process includes measuring a parameter of the industrial process that varies over time and determining at least one parameter limit as a function of the parameter and also varying over time. The method furt... | 07/24/2007 |
| 7237440 | Flow 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 |
| 7239263 | Platform shake compensation method in synthetic aperture processing system The present information comprises the stages of: applying frequency analysis to positional information on a platform, generating virtual positional information on the platform based on a frequency analysis result; extracting a signal based on the generated virtual p... | 07/03/2007 |
| 7187320 | Matched maneuver detector A target tracking arrangement predicts the state of a target. The predictor may be a Kalman filter. In the presence of a target which is maneuvering, the prediction may be in error. A maneuver detector is coupled to receive residuals representing the difference betw... | 03/06/2007 |
| 7162922 | Non-invasive method for detecting and measuring filling material in vessels A non-invasive method for measuring the level of filling material in a vessel and for detecting the presence of the filling material in the vessel at a predetermined set point level is based on monitoring the oscillation of the vessel's outside wall that follows an ... | 01/16/2007 |
| 7159957 | Actuator for a movable portion of an article of furniture A movable portion of an article of furniture, in particular a drawer, flap or door, includes at least one preferably electrical drive unit and a triggering device for actuation of the drive unit. The triggering device is at least partially arranged at the movable po... | 01/09/2007 |
| 7145835 | Personal sonar system The sonar device includes a sonar transducer, a noise filter, a microprocessor and an output device. The system warns the user when a hazardous objects is detected or when signals from companions decrease. The portable sonar device can be built into various waterspo... | 12/05/2006 |
| 7139220 | Dynamic filter tuning for pulse-echo ranging systems Dynamic tuning of a tunable filter within the receiver of a pulse-echo ranging system. A filter tuning module compares a transmit signal and a filtered signal to obtain a phase difference indicative of any mis-match between the resonant frequency of the tunable filt... | 11/21/2006 |
| 7114390 | Ultrasonic liquid level monitor The present invention includes an apparatus and method for continuous and point level liquid level detection in a closed container or pipe having an inaccessible interior volume such that it is difficult to retrofit these tanks with a level gauge that operates withi... | 10/03/2006 |
| 7103445 | System and method for controlling the dispense rate of particulate material A system and method for dispensing super absorbent material (SAM) to a machine manufacturing absorbent articles as part of a manufacturing processing operation. A first controller stores process control data relating to the manufacturing processing operation and pro... | 09/05/2006 |
| 7100866 | Control system for a flying vehicle In one embodiment of the present invention there is described a vehicle having a propeller mechanism for propelling the vehicle in a horizontal direction. The vehicle includes a transmitter positioned on the bottom of the vehicle for transmitting a signal from the v... | 09/05/2006 |
| 7096719 | Apparatus for measuring parameters of a flowing multiphase mixture An apparatus 10 is provided that measures the speed of sound propagating in a multiphase mixture to determine parameters, such as mixture quality, particle size, vapor/mass ratio, liquid/vapor ratio, mass flow rate, enthalpy and volumetric flow rate of the fl... | 08/29/2006 |
| 7054229 | Multi-line towed acoustic array shape measurement unit An acoustic array comprising a plurality of nodes attached to two or more lines. Some or all of the nodes include an emitting transducer and a receiving hydrophone, and the balance include only a receiving hydrophone. Each emitting transducer has associated electron... | 05/30/2006 |
| 7049960 | Method and system for locating objects An area is established by positioning a string of boundary objects that are reflective to a range of ultrasonic frequencies. Tracking objects may be placed inside the area which also are reflective to the range of ultrasonic frequencies. An array of transducers inso... | 05/23/2006 |
| 7041133 | Vision prosthesis A vision prosthesis includes a lens having an index of refraction that varies in response to a focusing stimulus. An actuator in communication with the lens provides the focusing stimulus on the basis of a range estimate from a rangefinder. A controller coupled to t... | 05/09/2006 |
| 7010098 | Ultrasonic proximity detector for a telephone device An ultrasonic proximity detector for a telephone device to detect the proximity of an object thereto includes an ultrasound signal generator generating ultrasound that is broadcast by a speaker of the telephone device. Processing circuitry is coupled to a microphone... | 03/07/2006 |
| 6998147 | Method for simultaneously coating and measuring parts A method and apparatus for simultaneously coating and measuring a part. The apparatus includes a part support, a sprayer and a part measurer positioned adjacent to the part support and a display device positioned adjacent to the part support. The sprayer applies a c... | 02/14/2006 |
| 6980484 | Fish finding device and method for detecting and distinguishing marine life from a sonar reflected marker An improved fish finding device and method for detecting and distinguishing marine life from a sonar reflected marker that generates artificial echoes comprises steps of 1. transmitting of sonar waves 2. receiving of sonar echoes 3. distinguishing the sonar echoes r... | 12/27/2005 |
| 6952672 | Audio source position detection and audio adjustment A method for adjusting an operational characteristic of an audio device can include a series of steps. The method can include receiving a user spoken utterance from an audio speech source and detecting a position of the audio speech source relative to the audio devi... | 10/04/2005 |
| 6935164 | Refiner control In the present invention a refiner (108) of a mechanical pulping line is supplied with a controllable acoustic source (14), arranged for emitting acoustic signals into the pulp fluid. The controllable acoustic signal is allowed to interact with the fib... | 08/30/2005 |
| 6933837 | Trailer based collision warning system and method A trailer based collision warning system includes one or more side object detection sensors, one or more backup assist sensors, a driver vehicle interface, and trailer-mounted display units operating essentially independent of the tractor with all detection and warn... | 08/23/2005 |
| 6934218 | Sounding device for showing its location on a fish detector A sounding device for showing its location on a sonar fish detector including a sonar wave receiving unit (10) to detect the sonar signal, a sonar wave producing unit (20) to simulate the reflection of the sonar wave from the fish, a control unit (3... | 08/23/2005 |
| 6925296 | Sound-based proximity detector A proximity detector for use in a mobile telephone having at least a microphone and a loudspeaker operatively connected to a signal processor is presented. The proximity detector includes data processing and control modules having a module for controlling the signal... | 08/02/2005 |
| 6909397 | Stabilizing motion in a radar detection system using ultrasonic radar range information One preferred embodiment of the present invention provides a system and method for suppressing motion artifacts introduced by movement of a radar detection system. Briefly described, in architecture, one embodiment of the system, among others, can be implemented as ... | 06/21/2005 |
| 6898977 | Ultrasonic distance-measuring method and device An ultrasonic distance-measuring method and device using variable-length transmitted pulses. For this purpose, the length of each of the transmitted pulses is adjusted such that it is approximately proportional to the measured time interval of a transmitted pulse be... | 05/31/2005 |
| 6859417 | Range finding audio system A range finding audio system automatically modifies the audio output of an audio source based on the distance of a listener from the speakers. A speaker in an audio system may include a range device coupled with a controller. The range device may utilize infrared, l... | 02/22/2005 |
| 6850186 | System for determining position and velocity of targets from signals scattered by the targets The present invention relates to a system for using signals scattered by targets to determine position and velocity for each of the targets and comprises a set of transmitters and receivers of electromagnetic or acoustic signals, said transmitters and receivers disp... | 02/01/2005 |
| 6731204 | Object detection system providing driver information through sound A vehicle object detection system is disclosed that audibly conveys to the vehicle operator the direction of the detected object relative to the vehicle through the vehicle's audio system. The system includes a sensor array, a processor, and a speaker arrangement. T... | 05/04/2004 |
| 6678209 | Apparatus and method for detecting sonar signals in a noisy environment A method and apparatus for reducing sonar measurement error in noisy environment, by monitoring environmental noise spectrum over the range of operable sonar frequencies, and automatically changing the system sonar transmission frequency and its dependent... | 01/13/2004 |
| 6659232 | Method and device for position detection of an object along an acoustic-signal conductor The invention relates to the detection of the position of an object which can be moved along an acoustic-signal conductor of ferromagnetic material, in which an acoustic signal is incoupled in a clocked manner into the acoustic-signal conductor by means o... | 12/09/2003 |
| 6542436 | Acoustical proximity detection for mobile terminals and other devices A method and a device for detecting if an object is in proximity to the device, wherein sound (audio) transducers already found in the device are used to realize the proximity detection function, along with digital signal processing or equivalent means. T... | 04/01/2003 |
