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Match Document Document Title
8947237 Physiological data acquisition utilizing vibrational identification  
The present invention utilizes an accelerometer (included within a wireless physiology monitoring device or as part of a separate device such as, but not limited to a smartphone, e.g., iPhone, or...
8884747 Haptic feedback device and electronic device  
There is provided a lightweight, slim and compact haptic feedback device due to an actuator module constituted of a piezoelectric element and a vibration plate, and an electronic device having the...
8794018 System and method for the measurement and prevention of icing in a conduit  
A system for preventing icing in a conduit, as can occur in an aircraft's air conditioning system, includes at least one sensor for acquiring mechanical oscillations of the conduits, an electronic...
8704649 Vibrotactile device and method using the same  
Disclosed herein is a vibrotactile device intuitively providing information by inducing a tactile sense to a user, and a method using the same. The device according to an embodiment includes a...
8644503 Content server systems and methods  
A content server system includes a remote content server including content license information and a local content player coupled to the remote content server by a network, the local content...
8060334 Aircraft pitot-static tube with ice detection  
An aircraft Ice Detection pitot-static tube is described which uses sensors integrated into the pitot-static tube to determine when and where the pitot-static tube is icing up. Temperature,...
8022842 Optical system and element for detecting ice and water  
An optical system for detecting ice and water on the surface of an aircraft includes an elongated transparent optical element having first and second end portions. A light source and light...
7912509 Method for automatically switching incoming call signal output mode from vibration to ringtone using vibration detection unit in mobile communication terminal  
A method for automatically switching an incoming call signal output mode in a mobile communication terminal is disclosed. The method comprises the steps of determining whether or not a present...
7750824 Optical system and element for detecting ice and water  
An optical system for detecting ice and water on the surface of an aircraft includes an elongated transparent optical element having first and second end portions. A light source and light...
7619505 Vehicle direction guide vibration system and method  
The present invention relates to a direction guide vibration system of a vehicle operating with a navigation and control method thereof, which applies vibration to a driver's seat on which a...
7400260 Optical system and element for detecting ice and water  
An optical system for detecting ice and water on the surface of an aircraft includes an elongated transparent optical element having first and second end portions. A light source and light...
7312713 Methods and systems for detection of ice formation on surfaces  
A system for detecting ice formation on metal, painted metal and other material surfaces can include a transparent window having an exterior surface upon which ice can form; a light source and...
7301478 Vehicle safety warning device  
Apparatus, methods, system and devices for monitoring road surface temperature to detect hazardous road surface conditions. An indicator provides the sensed road surface temperature and hazardous...
7154398 Wireless communication and global location enabled intelligent health monitoring system  
A wireless communication and global location enabled intelligent health monitoring system comprising of a plurality of wireless medical sensor apparatus that include an active sensor, a...
7026943 Acoustic 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...
6954146 Method for determining a state of a road during the driving mode of a motor vehicle  
In a method for determining the state of a road during driving of a motor vehicle, the sound which is generated when a vehicle tire rolls on an underlying surface is sensed. A frequency signal is...
6885876 Mobile phone featuring audio-modulated vibrotactile module  
A telecommunications network includes a mobile phone with an audio-modulated vibrotactile module that responds to a telecommunications signal containing information about incoming speech from a...
6759962 Inflight ice detector to distinguish supercooled large droplet (SLD) icing  
An ice detector has a pair of probes, each of which is used for determining the accretion of ice thereon. One of the probes in the assembly is configured so the smaller droplets of supercoooled...
6560551 Liquid water content measurement apparatus and method  
Ice accretion on a probe is detected by determining the change of frequency of a vibrating type ice detector or sensor as ice starts to build up. The rate of change of frequency is determined and...
6378377 Acoustic reflector attachment compatible with native aircraft structure  
An ultrasonic ice detector that can be mounted directly to the skin of an aircraft includes a transducer that is coupled to the interior surface of the skin, and transmits acoustic vibrational...
6143090 Method and device for de-icing an intake aperture  
Disclosed is an apparatus and a method for de-icing an intake opening (2) in an intake duct (1) of a fire alarm system, through which ambient or equipment air is drawn in and supplied to a...
5852243 Method and apparatus for detecting a road pavement surface condition  
An apparatus for determining a road pavement surface condition over a wide area has a road noise sensor (12). A temporal frequency analyzer (18) converts a road noise signal from the road noise...
5772153 Aircraft icing sensors  
An icing sensor utilizes a surface gap transmission line along which a radio frequency is transmitted. The phase delay of the radio frequency along the transmission line is dependent upon the...
5695155 Resonator-based, surface-condition sensor  
A sensor is provided for detecting the presence of dielectric media, e.g., ice. The sensor includes a plurality of microstrip resonators which are positioned for electromagnetic coupling with a...
5686841 Apparatus and method for the detection and measurement of liquid water and ice layers on the surfaces of solid materials  
An embodiment of the present invention is a roadway sensor for surface installation in a hole such that a thin ceramic contact sensor may be used to measure and cross-compare fundamental physical...
5585551 Method for identification of different states of water, and sensor arrangement for use in the method  
A sensor arrangement for identifying various states of water on a surface of a structure, comprises a sensor element and a transmitter-receiver unit. The sensor element, adapted to be placed on...
5541733 Method and apparatus for remote detection and thickness measurement of solid or liquid layer  
There is described a method and apparatus for detection and thickness evaluation of a buildup of a solid, e.g. ice, or liquid on a solid surface, such as ice on a body of an aircraft. The...
5507183 Ultrasonic method and apparatus for detecting and identifying contamination such as ice on the surface of a structure  
A method and an apparatus for detecting and identifying a contaminant, such as ice, on the surface of a structure, such as a wing, are disclosed. The apparatus has a probe having a delay block...
5474261 Ice detection apparatus for transportation safety  
An embodiment of the present invention is an ice detection system that comprises a network of thin, flexible microstrip antennas distributed on an aircraft wing at critical points and multiplexed...
5467944 Detector for indicating ice formation on the wing of an aircraft  
A detector indicating ice formation on the wing of an aircraft or any planear surface, based on a thread-like or a tape-like transducer, through which an ultrasonic signal is transmitted at one...
5206806 Smart skin ice detection and de-icing system  
The de-icing system of the present invention comprises a piezoelectric sensor means and a processor means. A piezoelectric film is the preferred sensor means and a microprocessor is the preferred...
5187980 Method and apparatus for acoustic plate mode liquid-solid phase transition detection  
A method and apparatus for sensing a liquid-solid phase transition event is provided which comprises an acoustic plate mode detecting element placed in contact with a liquid or solid material...
4891628 Environmental matter detection system  
A matter sensing apparatus includes a piezoelectric transducer, having a face susceptible to matter accretions at a surface for which matter accretion detection is desired. The electrical circuit...
4891796 Icing preventive device for ultrasonic wave transmitting and receiving unit for vehicle  
This invention provides an icing preventive device for a supersonic wave transmitting and receiving unit for a vehicle which is composed of a timing device for outputting a timing signal, a...
4721949 System for measuring glaze-ice by microprocessor with new release mechanism incorporated  
The disclosure describes a system for measuring glaze ice, comprising a glaze-ice detector, a device connected to the detector to generate a signal indicating the formation of a specific quantity...
4628736 Method and apparatus for measurement of ice thickness employing ultra-sonic pulse echo technique  
Method and apparatus for measurement of ice thickness employing ultra-sonic pulse echo technique, wherein an ultra-sonic pulse is emitted from a transducer at the ice-accreting surface of a...
4611492 Membrane type non-intrusive ice detector  
An ice detector of the vibrating element type comprises a tube that vibrates along its longitudinal axis, and is driven by an excitation coil at the natural frequency of the tube is sealed by a...
4604612 Ice detector  
An ice detector to detect a lyaer of ice on a thin solid sheet 14, such as the skin of an aircraft wing, even in the presence of water, comprises two ultrasonic transducers attached to the sheet....
4570881 Process for detecting the likelihood of ice formation, ice warning system for carrying out the process and utilization thereof  
An ice warning system comprising a diaphragm set into vibration at one of its frequencies of resonance by a piezoelectric cell. The diaphragm is coupled thermally to a metallic plate alternately...
4568922 Ice deposition detector employing impedance change of a vibratory body  
A vibrating body is connected as one element of a voltage divider. A detector circuit is connected to the measuring point of the voltage divider. If ice is deposited on the body, its impedance...
4553137 Non-intrusive ice detector  
An improved ice detector has a vibrating element which has a front portion and vibrating means suitably disposed with respect to the vibrating element for exciting the vibrating element into...
4532806 Sensor for monitoring the deposition of frozen fog and/or ice on surfaces  
A sensor for monitoring the deposition of frozen fog and/or ice on evaporator, refrigeration machine or heat pump surfaces, includes a can-shaped housing having opposite sides. A mounting heat...
4461178 Ultrasonic aircraft ice detector using flexural waves  
A system for the detection of wing icing by monitoring variations in flexural waves transmitted through the outer plate material of an aircraft airfoil. The flexural waves in the plate of the wing...
4441363 Apparatus and method for measuring concentrations of supercooled liquid water  
A vibrating wire placed in the humidity duct of a standard radiosonde is used to measure vertical profiles of the concentration of supercooled liquid water in clouds. An electronic circuit is...
4404852 Frost sensor  
A frost sensor for detecting the presence of frost uses an acoustic device having an acoustic transmitting medium made of a magnetostrictive material, particularly an amorphous metal alloy, of a...
4335613 Apparatus for indicating the freezing of the surface of an asphalt road, paved runway, or the like  
A detecting transmitter device installed in operative proximity with a surface to be observed includes an ultrasonic waveguide installed in such surface. Electronic equipment electrically...
4176524 Frost detector  
A frost detector comprises a piezoelectric element secured on a metal diaphragm and inside an air-tight space formed by the diaphragm, a base and a bellows which air-tightly and resiliently...
3781566 DETECTING THE PRESENCE OF A MEDIUM IN THE PATH OF A SOUND OR LIGHT WAVE  
A method and system for detecting the presence on an object of media harmful to the efficient operation of the object. The system includes a measuring device having arranged therein a space for...
3706981 INDICATING SYSTEM FOR DETECTING GASEOUS AND NON-GASEOUS STATES  
A detection system capable of distinguishing between a gaseous state and a non-gaseous state such as a liquid state and/or an ice state including a piezoelectric crystal, an exciter circuit...
3541540 ICE DETECTORS  

Matches 1 - 50 out of 56 1 2 >