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7613073 |
Ultrasonic sensor
An ultrasonic sensor includes a plurality of vibrating parts, a plurality of receiving elements, and a waveguide. Each of the vibrating parts vibrates when a corresponding ultrasonic wave reflected...
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7602671 |
Oil heating tank meter for monitoring a plurality of variables
A method for measuring a distance of an object with a distance measuring unit, the method including: sending a first signal from the distance measuring unit toward the object; receiving a second...
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7584062 |
Sub-wavelength ultrasound characterization of composite material
An ultrasonic stimulus pulse is emitted incident to a laminar structure and recorded as pulse data. Echoes resulting from the stimulus pulse are recorded as echo data. One or more vectors are...
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7583563 |
Ultrasonic sensor
An ultrasonic sensor consists of an ultrasonic transducer and a casing. The transducer includes a metal-made housing having an inner space; a vibrating planar member formed in the housing, wherein...
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7575371 |
Temperature sensor and extensometer
A thermometer and extensometer for cables and conductors is described. The travel time of one or more acoustic signals along a conductor is used to determine the temperature along the conductor and...
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7542375 |
Method for simultaneous transmission of soundwaves and, in particular, sonar pulses, without interference
A system and method simultaneously transmits sound waves through a plurality of sonar elements without interference, such as for the purpose of tracking objects underwater. The system has a pulse...
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7540194 |
Ultrasonic sensor having transmission device and reception device of ultrasonic wave
An ultrasonic sensor for detecting an object includes: a substrate; a transmission device for transmitting an ultrasonic wave; a plurality of reception devices for receiving the ultrasonic wave;...
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7522475 |
Ultrasonic sensor and obstacle detection device
An ultrasonic sensor includes: a first vibrator for transmitting an ultrasonic wave; multiple second vibrators for outputting a reception signal of a reflection wave; a casing having a bottom for...
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7522472 |
Obstacle detection system
An obstacle detection system has multiple ultrasonic sonars. When a threshold value used for determining an existence of an obstacle is compared with a receiving signal having been amplified at a...
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7518543 |
Method for determining positions of targets by bistatic measurements using signals scattered by the targets
A method for determining the positions of targets by bistatic measurements using signals scattered by the targets is provided in which the velocities of the targets can also be determined. The...
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7505363 |
Automatic switch for marine sounders
A switch that couples transducer signal to a specific sounder of multiple sounders in response to a sensed signal from the specific sounder. The switch can include a first detection circuit that...
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7492666 |
Sonar system having multiple pulse sequences
A sonar system comprises a transmitter adapted to provide pulse sequences, wherein each of the pulse sequences includes pulses that reflect off an object, a receiver adapted to receive the...
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7483336 |
Device for avoiding obstacles for high-speed multi-hulled watercraft
One or more embodiments of the present invention are aimed at a device for ships, in particular for multihull ships and high-speed multihull ships making it possible to avoid obstacles, in...
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7453769 |
Cavitating body sonar system and process
An exemplary embodiment of the present invention may include a cavitating body sonar system and method. The method may include, in an exemplary embodiment: applying a receiving-while-transmitting...
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7420877 |
Method for processing an echo profile
In a method for processing an echo profile generated by a pulse-echo ranging system, the echo profile is compared with a time-varying threshold function to identify valid echoes in those portions...
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7420876 |
Obstacle sensor having supersonic sensor
An obstacle sensor includes: a supersonic sensor for detecting an obstacle in a first range, the supersonic sensor including a substrate, a transmission device and a reception device disposed on...
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7417922 |
Obstacle detection device and method for estimating receiving time
An obstacle detection device includes a transmitting portion for sending ultrasonic wave, a plurality of receiving portions provided at different positions and receiving reflected waves of the...
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7408838 |
Digitizing planimeter
A planimeter includes a movable housing in which are mounted orthogonally aimed x- and y-position sensors. Each position sensor comprises a piezoelectric ultrasound transmitter and receiver for...
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7391676 |
Ultrasonic distance sensors
A lithographic apparatus comprises an illumination system, a support constructed to support a patterning device, and a projection system. In pixel grid imaging, a large number of small optical...
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7391505 |
Range sensing system
The invention relates to a solid-state range sensing system. As with previous solid-state range sensing systems, an energy source is activated and deactivated in a cyclic pattern with a selected...
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7390379 |
Method and apparatus for determining the lateral position of a web or fabric edge in a former
The lateral position of a web or fabric edge 11 in a paper machine is determined using an ultrasonic sensor. The ultrasonic sensor has a detector head 42 , with an air channel system which opens...
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7388810 |
Ultrasonic distance measurement system
A system for measuring distance in a gas or liquid operating medium has an even number of ultrasonic signal transmitters ( 12, 14 ), and a single ultrasonic signal receiver ( 16 ). The ultrasonic...
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7385487 |
Obstacle detection method and system, particularly for systems for assisting the parking of vehicles
An obstacle detection system, particularly for assisting car parking that comprises a control unit and a plurality of sensors, which comprise emitters-receivers for emitting an ultrasonic signal...
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7376493 |
Vehicle-surroundings monitor apparatus
A vehicle-surroundings monitor apparatus according is provided with a sensor having a transmission/reception means for transmitting an ultrasonic wave to surroundings of a vehicle and receiving a...
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7374537 |
Performing ultrasound ranging in the presence of ultrasound interference
A distance measuring system comprises first and second transducers, and an ultrasound ranging subsystem coupled to the first and second transducers for performing a plurality of distance...
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7372771 |
Electronic distance measuring apparatus
A portable and convenient electronic distance measuring apparatus using a laser beam and a supersonic wave is provided. A predetermined height is measured using a supersonic sensor and a laser...
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7343803 |
Modular ultrasonic sensor
The present disclosure relates to an ultrasonic sensor used, for example, in the form of an ultrasonic vehicle parking aid provided with a sensor having an ultrasonic membrane and optionally a...
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7330399 |
Sonar system and process
A sonar system and method of use capable of discriminating a direct acoustic signal present at 60 dB or more above the acoustic echo signal.
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7330398 |
Ultrasonic range finder
The present invention is intended to provide an ultrasonic range finder to measure a distance quickly and precisely under different environments. The ultrasonic range finder comprises a casing, an...
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7324407 |
Prevention of reporting unwanted signals by the filtering of sensor data
A method for filtering an object by a vehicular sensor system, including emitting a first signal, detecting a first echo, the first echo including at least a portion of the first signal reflected...
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7317872 |
Remote microphone and range-finding configuration
Remotely operable electronic apparatus are applied to distance measurement and picture/sound recording wherein, for example, a remote unit may be equipped with a microphone and an active range...
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7313960 |
Ultrasonic sensor assembly
An ultrasonic sensor assembly includes an ultrasonic sensor apparatus, a holding member and a spring arrangement. The spring arrangement includes two spring portions, which are connected together...
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7305886 |
Noise detecting apparatus
An accurate measure of normally operating noise is required for a useful noise measurement system. A device is needed to make a representative measure of the boat's acoustic power using measured...
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7301853 |
Tubular measuring device
A tubular measuring device, comprising an electronic distance measuring device, a first tubular end locator attached to the electronic distance measuring device, a target for the electronic...
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7293366 |
Distance measurement device
The invention starts with a range finder with a measuring device and at least one measuring limit stop body ( 12 ), which can be moved out of a housing ( 10 ) and features at least one measuring...
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7289388 |
Estimation of background noise and its effect on sonar range estimation
A system and method for estimating the SNR in a sonar environment and for determining the effect of the estimated SNR on sonar ranging accuracy. The system includes a sensor, a transmitter, a...
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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 (...
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7274621 |
Systems and methods for flow measurement
A system estimates flow parameters associated with a fluid flow encountering a bluff body. The system includes multiple sensors distributed on a surface of a bluff body. The system further includes...
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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...
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7263031 |
Distance measuring device for acoustically measuring distance
A distance measuring device includes a transmitter for transmitting an acoustic signal at a distant object, an acoustic signal receiver for receiving a reflected acoustic signal reflected from the...
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7248962 |
System for influencing the speed of a motor vehicle
System for evaluating the traffic environment of a motor vehicle and for influencing the speed of the motor vehicle in its own traffic lane, comprising an electronic control unit, which is...
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7239580 |
Noise adaptive sonar signal processor
A system and method of performing sonar range estimations in a noisy sonar environment. The system includes a sensor, a transmitter, a receiver, a plurality of band-pass filters, a cross...
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7209031 |
Obstacle detecting apparatus and method
An obstacle detecting apparatus includes an image input unit for receiving images inputted respectively from a plurality of image pick-up devices and accumulating the input images, a feature...
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7207165 |
Non-frangible object detection method and apparatus for use with harvester
A method and apparatus for use with a non-frangible object detection mechanism on an agricultural harvester, the detection mechanism including a sensing surface and a sensor for sensing force...
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7196656 |
Apparatus for estimating direction of arrival of signal
An apparatus for estimating direction of arrival of signal is provided that has excellent performance in terms of angular resolution and the number of signals that can be identified. In an array...
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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...
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7173880 |
Arrangement with an acoustic array with a sound velocity meter
Arrangement with an acoustic array with a sound velocity meter, suitable to be arranged under water. The acoustic array is able to receive acoustic signals from an underwater device and to provide...
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7151714 |
Apparatus for measuring the instantaneous distance between the stern of a vessel and a fixed structure such as quay, a jetty or a landing stage
The apparatus includes transmitter-receiver units ( 10, 20 ) for emitting acoustic signals in the form of beams (F 1 , F 2 ) directed rearwardly of the stern and for receiving acoustic signals...
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7149148 |
Localization of high speed vehicles using continuous transmit waves
The selection of multiple, suitably designed, demodulation reference signals can enable the measurement of a vehicle's speed using continuously transmitted frequency modulated (CTFM) signals. The...
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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...
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