Matches 101 - 150 out of 397 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
6660001 Myocardial revascularization-optical reflectance catheter and method  
A myocardial revascularization device has a catheter suitable for use in a myocardial revascularization procedure, the catheter including an elongate body having a proximal end and a distal end,...
6650280 Measurement system and method  
System and methods are disclosed for fluid measurements which may be utilized to determine mass flow rates such as instantaneous mass flow of a fluid stream. In a preferred embodiment, the present...
6631097 Sonic water level measuring method and system there for  
A sonic water level measuring method and system for mounting a wave-guide tube for measuring a water level in a reservoir, a river, etc. generating sonic pulses at the upper of the wave-guide tube,...
6621763 Power saving technique for pulse-echo acoustic ranging systems  
A power saving system and method for the analog-to-digital converter stage in a time of flight ranging system. A receiving echo signal having an envelope is converted into a digital form suitable...
6617996 Ground penetrating radar with audible output  
A ground penetrating radar system including a processor for generating audible output signals having discrete frequency components representative of the depth of buried targets. The amplitude of...
6606279 Submergence detection for electro acoustic transducers  
A method of detecting actual or incipient submersion of an electroacoustic transducer ( 2 ) facing downwardly toward a surface of fluent material to be sensed in a pulse-echo acoustic ranging...
6577267 Device and method for contactlessly measuring speed on surfaces  
A device for non-contractual measurement of the speed of an object moving over a surface comprises a means for radiating a signal of fixed frequency at an angle onto the surface in or against the...
6563761 Apparatus and method of vehicle occupant sensing using multiple ultrasonic frequencies  
An apparatus ( 20 ) determines a vehicle occupant location characteristic. The apparatus ( 20 ) includes at least one sensor (e.g., 46 ) for echo ranging at first and second ultrasonic...
6561033 Line length measuring device for fishing reel  
A line length measuring device for a fishing reel in which the spool diameter data is obtained on the basis of the time for which an ultrasonic wave is radiated from the ultrasonic sensor mounted...
6556511 Method of locking onto and tracking a target  
A method of tracking an object comprising the steps of acquiring the position of at least one object; selecting the at least one object as a target; determining a sampling window which envelopes...
6549487 Steered beam ultrasonic sensor for object location and classification  
A vehicle occupant sensor which utilizes an acoustic system for determining object range, extent, and direction. The system is composed of an ultrasonic transmitter formed from an array of air...
6545946 Method and apparatus for eliminating substantially false echoes produced by electrical noise induced into high gain receiver circuits  
For use with a high gain receiver circuit which receives echo pulses of frequencies within a predetermined bandwidth and at times within interpulse periods of a predetermined pulse repetition rate...
6542085 Distance measuring and monitoring device equipped automobile reverse radar  
A distance measuring and monitoring device equipped automobile reverse radar comprises: a photocoupler camera with a wide-angle lens installed at an automobile rear end for taking pictures of...
6535158 Kinematic analysis of conically scanned environmental properties  
A method for determining the velocity of features such as wind. The method preferably includes producing sensor signals and projecting the sensor signals sequentially along lines lying on the...
6504793 Method and device for range measurement  
The present invention pertains to a method for range measurement by means of a signal transmitted in the direction of an object to be measured, wherein an echo signal, on which is superimposed a...
6490227 Device and method for detecting position of movable body by using ultrasonic waves  
An ultrasonic sensor is located in the bottom of a lift cylinder of a forklift and emits ultrasonic waves toward a piston in the cylinder. A controller controls the ultrasonic sensor to...
6490226 Ultrasonic sonar and method using transmission frequency different from reverberation frequency  
An ultrasonic sonar has a transceiver equipped with an ultrasonic oscillator. An ultrasonic wave is transmitted from the transceiver. The ultrasonic wave reflected from an obstacle is received by...
6469956 Ultrasonic distance detection for visually impaired pedestrians  
Ultrasound is used to determine, by echo ranging, the distance of objects in front of a user for allowing a visually impaired pedestrian to walk safely. A double circuit allows two simultaneous...
6466514 Method for elimination of passive noise interference in sonar  
A sonar depth sounder device and method for processing echo signals, reflected from objects within a body of water, utilizes a processor, a memory, a display, and a keypad connected to the...
6466891 System for providing an estimate of the location of an undersea object  
A system is disclosed that provides. a sonar operator with the most likely range to a target of interest. The system generates and displays a contour based on ship's parameters, target parameters,...
6466515 Power-efficient sonar system employing a waveform and processing method for improved range resolution at high doppler sensitivity  
A sonar system that includes a new comb-like waveform constructed by modulating the tines of a comb spectrum according to a set of Hermite functions defining a Hermite Function Space (HFS), and a...
6462705 Spread spectrum radar clock  
A dither oscillator randomly modulates the instantaneous phase of a precision radar PRF oscillator. Radar spectral emission lines occurring at multiples of a transmit PRF oscillator are spread by...
6463009 Position detecting device and industrial vehicle having the position detecting device  
In a position detecting device which detects a piston rod based on the time elapsed from a point at which an ultrasonic wave is emitted from an ultrasonic wave sensor toward a lower end surface of...
6459655 Apparatus and method using controlled emission for sensing an occupant located beyond a predetermined distance  
An apparatus ( 20 ) determines a target (e.g., a vehicle occupant 22 ) beyond a predetermined distance. In an exemplary embodiment, the apparatus ( 20 ) determines a distant target for use in...
6452870 Methods for controlling deployment of an occupant restraint in a vehicle and determining whether the occupant is a child seat  
Methods for controlling deployment of an occupant restraint device in a vehicle and determining whether an object is a child seat in which one ultrasonic transducer is arranged on a ceiling of the...
6434085 Distance measuring systems altimeters and aircraft  
A distance measuring system is described which may be used as an altimeter for a helicopter or for a load carried by its winch. The system comprises: a transmitting transducer for converting a...
6418080 Underwater detection apparatus  
An underwater detection apparatus comprises a transducer, a transmitter capable of generating transmitting signals of a plurality of respective frequencies and for generating a transmitting signal,...
6418081 System for detection of buried objects  
The present invention discloses a buried object detection system. The detection system has an acoustic emitter capable of generating a non-linear acoustic impulse or a continuous acoustic signal of...
6414745 Method and apparatus for determining the relative height of two targets  
An apparatus for determining the relative height between two targets is disclosed. The present invention also discloses a method for determining the relative height between two targets; the method...
6404702 Surveillance device for signal-echo sensors  
The signal echo monitoring device includes a transmitting unit ( 5 ) for broadcasting a transmitted signal (s(t)) which is a group of randomly generated pulses, a receiving unit ( 6 ) for receiving...
6396433 Talking buried object detector  
A spoken word-producing detector identifies objects by comparing signatures of detected objects with stored signatures of known objects. When the signatures compare, the detector produces stored...
6326915 Radar device with multiplexed display functions for use in backing up a vehicle  
A radar device for use in backing up a vehicle is disclosed herein. A plurality of wave sensors is installed on a rear portion of a vehicle for detecting an obstacle therebehind. A master...
6323441 Ultrasonic distance measuring system for monitoring railroad car loads  
An ultrasonic distance measuring system for monitoring railroad car loads. The system includes an ultrasonic transducer, a pulse generation and detection circuit and a measurement circuit. The...
6304179 Ultrasonic occupant position sensing system  
An occupant position measuring system (10) comprising: a transmitter for generating a pulse modulated transmitter signal; a receiver for receiving a reflection of the transmitter signal, the...
6298008 Pulse-echo system for mediums having varying densities  
A method of measuring the position of a target feature in a pulse-echo ranging system including transmitting at least one pulse of high frequency energy from a transducer towards the target...
6298009 Object measuring and weighing apparatus and method for determining conveyance speed  
An apparatus and method for weighing and non-contact measuring of dimensions of a stationary object wherein the platen on which the object is placed for weighing and measuring is isolated from the...
6292131 Apparatus and method for liquid level measurement and content purity measurement in a sounding tube  
A level sensing apparatus for attachment to a sounding tube in order to measure levels of contents in a tank and for determining the purity of contents in a tank. This level sensing apparatus...
6292106 Acoustical system and method for simultaneously locating and tracking multiple personnel in rooms of a building  
A radio frequency (RF) sync pulse is transmitted throughout a building having a plurality of rooms to be traversed by a plurality of players during, for example, an assault training exercise....
6281814 Data conversion method, data converter, and program storage medium  
A peak detecting section 121 detects the maximum values (peaks) of frequency distributions, at intervals of unit times, from the wavelet intensity signal output from an intensity computing section...
6268803 System and method of avoiding collisions  
A collision avoidance system including a control module, a first transmitting device connected to the control module, wherein the first transmitting device transmits a signal, a first receiving...
RE37260 Method for identifying the presence and orientation of an object in a vehicle  
A method for determining the location of an object in a passenger compartment of a vehicle in which ultrasonic waves are transmitted from a first transducer into the passenger compartment, waves...
6237410 Method for controlling the speed of a pump based on measurement of the fluid depth in a well  
A method and apparatus for measuring the depth of fluid in a well and for controlling the speed of a pump which pumps fluid out of the well according to the measured depth is disclosed. The depth...
6212943 Method and apparatus for the sonic measurement of sludge and clarity conditions during the treatment on waste water  
A sludge blanket level is determined in a waste water treatment clarifier using sonic pulse reflections. Additionally, using similar techniques, the clarity of the waste water is determined. A...
6211787 Condition detecting system and method  
Condition detecting system has a detecting device (1) including a plurality of pieces of distance sensors arranged at one corner of an observing sector such as a toilet, a judging device for...
6204767 Chair monitor  
A chair monitoring system is used in a nursing home, hospital, healthcare facility or home or in a vehicle application, to detect an individual's attempted departure from a seat before the...
6202034 Ultrasonic ranging system and method for improving accuracy thereof  
An ultrasonic ranging system and method for detecting the presence of and distance to a target using ultrasonic sound waves generated by an ultrasonic transducer with reduced audible noise....
6169706 Echo detection in pulse-echo ranging systems  
A method for processing an echo amplitude profile generated by an echo ranging system with reference to a temporal axis to identify return echoes comprised by the profile by identifying amplitude...
6166995 Apparatus for distance measurement by means of ultrasound  
The apparatus for measuring a distance to an object with ultrasound includes a number of ultrasonic transducers (1 to 10) arranged in a motor vehicle for propagation of ultrasonic pulses and a...
6157591 Sonic range finder with laser pointer  
An ultrasonic distance measuring device for use, for instance, in the building trades, conventionally measures distance by projecting a sonic beam towards the target and detecting the reflection...
6140954 Radar device  
A radar device for detecting distances and relative speeds of obstructions such as preceding vehicles has a stationary object identifier for identifying stationary objects such as roadside guard...
Matches 101 - 150 out of 397 < 1 2 3 4 5 6 7 8 >