Class / Patent application number | Description | Number of patent applications / Date published |
073146400 | Telemetric (e.g., indicator on cowl) | 83 |
20080276701 | Wheel identifying apparatus and tire inflation pressure detecting apparatus with function of wheel identification - A wheel identifying apparatus includes first and second triggering devices located on the body of a vehicle, a plurality of transceivers each of which is located on one of the running and spare wheels of the vehicle, and a receiver and a wheel identifier both of which are located on the body of the vehicle. The first and second triggering devices continuously transmit first and second trigger signals, respectively. Each of the transceivers monitors the strength of either the first or second trigger signal thereat for a given length of time, and transmits a signal indicating variation in the monitored strength. The receiver receives and provides to the wheel identifier all the signals transmitted by the transceivers. The wheel identifier identifies, for each of the signals, the wheel on which the transceiver having transmitted the signal is located through a comparison between the variations indicated by the signals. | 11-13-2008 |
20090199629 | Pressure Measuring Module and Tire Pressure Monitoring System - The present invention provides a small-sized pressure measuring module suitable for replacement of a tire, and a tire pressure monitoring system. The pressure measuring module detects pressure of air within a tire included in a wheel assembly attached to a vehicle body, and wirelessly transmits data on the detected pressure and a module ID of the pressure measuring module to a pressure monitoring device mounted on the vehicle body. The pressure measuring module has an antenna and an identification code. At least a portion of the antenna protrudes to the outside of the wheel assembly from the surface of a wheel included in the wheel assembly through a through-hole communicating with an inner space of the tire. The antenna wirelessly transmits the detected pressure value and the module ID to the pressure monitoring device. The identifier can be viewed from the outside of the wheel assembly and indicates the module ID. | 08-13-2009 |
20100083746 | SWINGING APPARATUS AND ENERGY HARVESTER USING THE SAME - A swinging apparatus comprising an energy provider and a swinging mechanism disposed thereon. By means of adjusting the size and shape of the swinging mechanism and adjusting a distance between the swinging mechanism and the energy provider so as to control the ratio of the distance between the swinging mechanism and the energy provider to a characteristic value corresponding to the swing mechanism in a range between 4 and 0.25, the swinging frequency of the swinging mechanism may be adjusted automatically to comply with the variation of the motion frequency of the energy provider. The present invention further provides an energy harvester to work with the swinging apparatus and a coil to generate an induced current for power generation during the swing of the swing mechanism. In the present invention, the natural frequency of the swing mechanism may be adjusted according to the rotational velocity of the energy provider. | 04-08-2010 |
20130145834 | UNIVERSAL TIRE PRESSURE MONITORING SYSTEM TOOL AND ABSOLUTE PRESSURE COMPENSATION - An improved hand-held tire pressure monitoring system (TPMS) tool for communicating and transferring data between the tool and an onboard vehicle TPMS. The improved tool includes absolute air pressure and temperature compensation components and processes which improve the accuracy of service on a vehicle tire equipped with TPMS sensors and diagnosing TPMS error codes generated by the vehicle TPMS. | 06-13-2013 |
20130298658 | TRANSMISSION DEVICE FOR TRANSMITTING INFORMATION RELATING TO CONDITION OF TIRE, TIRE ASSEMBLY, AND TIRE CONDITION MONITORING SYSTEM - A transmission device of a tire condition monitoring system comprises a sensor which detects, as tire information, the condition of gas filled into a tire cavity region, a transmitter which transmits the detected tire information by radio, and a housing which covers the sensor and the transmitter. A surface of the housing defines an opening that connects an internal space within the housing and the tire cavity region. The opening extends on the surface of the housing while forming the shape of a straight line, a curved line, or a combination of a straight line and a curved line. The maximum value of the opening width orthogonal to the direction in which the opening extends is 0.8 mm or less. Even if a flat tire is fixed using a puncture sealant, tire information such as tire pressure information can be appropriately measured and acquired by this transmission device. | 11-14-2013 |
20130312509 | TIRE MONITORING APPARATUS, SYSTEM AND METHOD OF USING THE SAME - A system and method for measuring, recording and reporting vehicle tire temperatures and/or pressures. In one aspect, a sensing device including a convex protective vessel, with pressure and/or temperature sensors enclosed therein. The sensing device is dropped freely within the interior of a tire prior to rim mounting. A movement sensor can also be included in the sensing device. The protective vessel, including all sensors, is not attached or connected in any way to the vehicle tire, rim, or valve stem such that the sensing device is independent of the vehicle tire, rim, and valve stem, and moves freely within the interior of the tire. A balancing set including a dummy device, substantially equal in weight to a sensing device, and means for connecting the dummy device to the sensing device at 180 degrees separation around the tire may also be employed. | 11-28-2013 |
20150336433 | Tire Condition Monitoring System and Tire Condition Monitoring Device - A tire condition monitoring system includes a plurality of tire condition acquisition devices that are installed on pneumatic tires and acquires quantities of tire conditions, and a monitoring device that receives a radio signal from each of the tire condition acquisition devices and performs a predetermined process. The monitoring device sequentially specifies tire labels of the tire condition acquisition devices and requests input of tire positions of the tire condition acquisition devices. The monitoring device generates registration information in which a sensor ID and a tire position are associated based on the input results of the tire position. | 11-26-2015 |
20160185166 | METHOD FOR MONITORING TIRE SAFETY - A method for monitoring tire safety is adopted for use on a vehicle equipped with a plurality of tires, a plurality of tire detection units located respectively on each tire to detect the interior conditions thereof, and an electronic device which forms information link with each tire detection unit. The method includes: each tire detection unit measures a corresponding tire measurement parameter; next, the tire measurement parameter is set in a tire status variation calculation formula and a contour variation calculation formula to calculate a plurality of parameters that represent each tire; next, calculate variation amounts of the parameters in an inspection time and convert to a status gradient data; then judge whether the status gradient data are coincided. Redo execution of the previous steps if the judged outcome is positive; otherwise generate an alarm signal about an abnormal condition through an electronic device to alert the vehicle driver. | 06-30-2016 |
20160250903 | System for Indirectly Monitoring the Inflation Pressure of Pneumatic-Tyred Vehicle Wheels and Vehicle Wheel Therefore | 09-01-2016 |
073146500 | Electric | 74 |
20080196492 | Method And System For Determination Of A Wheel Position Of Wheels On a Vehicle - Method and system for determination of wheel position of wheels on vehicles with which Coriolis forces (Chl, Chr, Cvl, Cvr) active for the wheels (Rhl, Rhr, Rvl, Rvr) of a vehicle are determined, the Coriolis forces (Chl, Chr, Cvl, Cvr) determined for the wheels (Rhl, Rhr, Rvl, Rvr) are compared with each other and the wheel positions of the wheels (Rhl, Rhr, Rvl, Rvr) of the vehicle are determined by means of the comparison. | 08-21-2008 |
20080216567 | Tire Monitoring System - Vehicular tire monitoring system includes an energy providing system arranged on the tire, and a sensor system arranged on the tire and coupled to the energy providing system to be provided with energy by the energy providing system. The sensor system obtains data about at least one property of the tire, such as pressure, and converts the data into signals. An communication system is arranged on a frame of the vehicle and wirelessly communicates with the sensor system to receive the signals from the sensor system and derives, from the signals, the data obtained by the sensor system. A reactive system on the frame of the vehicle may be responsive to the data obtained by the sensor system, e.g., a display to display the data about the tire such as its pressure, or a communications system which transmits data about the tire to a remote site. | 09-11-2008 |
20080289407 | Use of Piezoelectric Sensor Attached to Electronics Package Housing - Disclosed ia an apparatus and methodology for detecting tire ( | 11-27-2008 |
20080314135 | Tire pressure sensor - A tire pressure sensor including a body, a sealing member and a circuit and signal transmission apparatus is provided. The body includes a first casing, a first hole, a receiving portion and a second casing. The receiving portion connects with the first hole passing through the first casing. The sealing member includes a second hole that is set through the rubber component of and communicates with the first hole. The sealing member is located in the receiving portion. The circuit and signal transmission apparatus includes a circuit apparatus and a hole. The hole positioned on the surface of the circuit apparatus communicates with the first hole and second hole to form an air seal channel. The air pressure of the tire is injected through the air seal channel into the hole, and the tire pressure sensor can detect the pressure and temperature of the air of the tire. | 12-25-2008 |
20090031794 | Tire sensor system and vehicle body having the same mounted thereon - The position of the rotation of a tire complicates the establishing of a wireless connection between a sensor unit attached to the tire and a sensor control unit attached to a vehicle body. | 02-05-2009 |
20090031795 | TIRE CHECKING DEVICE, TIRE CHECKING SYSTEM AND TIRE CHECKING METHOD - Identification information for identifying a tire, a tire inner pressure and a tire inner temperature are sent to a tire checking device from a first electronic device provided within a tire and measured results are shown on a display. Groove depth data from a depth meter are also received by the tire checking device and shown on the display. The tire checking device stores received management information such as a tire inner pressure, a tire inner temperature, a groove depth and so on in a memory with associating them with each tire. The stored management information is extracted by a control unit if required and shown on the display. Therefore, a tire inner pressure and a tire inner temperature are detected automatically and groove depth data are stored with being associated with each tire, and thereby the tire inner pressure, the tire inner temperature and the groove depth data can be displayed. | 02-05-2009 |
20090044616 | TIRE PARAMETER MONITORING SYSTEM WITH SENSOR LOCATION USING MAGNETIC FIELDS - A tire parameter monitoring system has a plurality of sensor units each mounted with a different vehicle tire. Each sensor unit has a magnetic sensing element for converting magnetic field signals generated by a proximate set of magnets mounted to the vehicle at the tire locations. Each magnet set generates a unique magnetic field which identifies the magnet set location. Each sensor unit has a microcontroller for combining the converted magnetic field signals with fire parameter signals, and a transmitter for transmitting the combined signals to a receiving location. Received tire parameter signals are correlated with the tire location using the location signals, and driver advisory signals are presented to the driver. | 02-19-2009 |
20090071238 | Leak Down Device for Tire Pressure Monitoring System - A tire and wheel rim assembly includes a tire supporting rim having an outward facing mounting surface; a tire mounted to the rim positioning an internal tire cavity over the rim mounting surface; a passageway extending through the rim for communicating air pressure between the tire cavity and a side of the rim opposite the tire cavity; and means for controllably regulating the flow of air through the passageway. A connecting member such as a bolt may extend through the rim outside mounting surface to affix a tire pressure monitoring housing to the rim and the axial passageway through the rim may be an axial bore through the bolt. Regulation of air flow through the passageway may be effected by setting the diameter of the passageway sufficiently small; or incorporating a needle orifice in the passageway; or incorporating a porous insert body into the passageway. The insert body may be composed of sintered metal and may be fused to the internal sidewalls of the bolt. | 03-19-2009 |
20090084174 | Method for Assigning a Tire Pressure Monitoring System After Driving Interruptions and Device and System for Measuring Air Pressure in a Vehicle Tire - A method for assigning a position of a tire, having a tire sensor, on a vehicle, includes transmitting, with the sensor, a signal including at least an identification number of the sensor following activation by a signal from an LF antenna connected to an evaluation unit. At a system start time, the evaluation unit first initiates an initialization including determination of the position of each tire having a sensor. The evaluation unit stores the identification number of each sensor together with the determined position of the tire having the sensor, before switching into a normal operating mode in which tire data, for example air pressure, is monitored by the sensors, with the position and preferably assignment of the sensor to a specific LF antenna, being stored in the sensor and kept available for retrieval. A device and a system for measuring air pressure in a vehicle tire are also provided. | 04-02-2009 |
20090114005 | TIRE SENSOR SYSTEM AND MONITORING METHOD - A tire system includes a plurality of piezoelectric devices mounted to the tire. The piezoelectric devices provide output signals in response to deformation of the tire. A processor has input terminals for receiving the signals from the piezoelectric devices, and the processor is programmed to determine tire parameters in response to the output signals from the piezoelectric devices. A power converter has input terminals for receiving the signals from the piezoelectric devices, and the power converter is connected to the processor to power the processor. | 05-07-2009 |
20090145216 | TIRE PARAMETER SENSOR UNIT WITH REAL TIME DATA STORAGE - A tire parameter sensor unit for monitoring one or more vehicle tire parameters such as internal tire pressure and temperature and developing a permanent log of the operational history of the tire. The sensor unit has a power system, a processor/transmitter, a radio time clock, one or more sensors, and a memory mounted on a substrate. This assembly is permanently attached to the tire in the side wall or tread wall. Initial tire identification information is stored in the memory upon tire fabrication. During the lifetime of the tire, operational information specifying the tire operating conditions (pressure, temperature, etc.) is permanently stored in the memory along with real time data. The operational information and real time data can be read out from memory to provide the history log. | 06-11-2009 |
20090151442 | SENSOR OF TIRE PRESSURE MONITORING SYSTEM - A tire pressure monitoring system sensor includes a body provided with an air inlet that provides fluid communication between the interior of the body and the interior of a tire. A pressure plate slides within the interior of the body by pressure in the tire, in a direction away from the air inlet. A spring biases the pressure plate toward the air inlet. Several sensors are attached to the body, each configured to generate a signal indicative of proximity of the pressure plate. The sensor may further include an air supply valve to supply air to the tire, connected to the body. The body may define an air supply passage through which the air supplied from the air supply valve is supplied to the tire through the air inlet. Three sensors may be provided: one indicative of excessive pressure, one indicative of appropriate pressure, and one indicative of insufficient pressure. | 06-18-2009 |
20090165546 | WIRELESS AND BATTERYLESS SENSOR - A wireless and batteryless pressure sensor apparatus comprises of a SAW sensor and an antenna mounted on a printed circuit board. Optionally, and RFID tag in used in combination with the SAW sensor. A sensor antenna and a RFID antenna can be located on the printed circuit board such that the antennas communicate electrically with the sensor and the RFID device. The sensor can be interrogated utilizing a radio frequency, which is used to excite a SAW crystal inside the sensor. The interrogation signal causes the SAW to resonate wherein a resonant frequency changes with the pressure and temperature that is applied to the sensor. An interrogator can receive a return (echo) signal representing a change in SAW sensor properties (e.g., diaphragm change). A printed circuit board can be mounted on a stainless steel port and overpackaged with standard processes for hermetically sealing the sensor, or sensor and RFID device with at least one antenna. | 07-02-2009 |
20090183562 | Tyre Comprising an Electronic Unit and a Method of Installing Said Electronic Unit into Said Tyre - A tyre having an internal surface of substantially toroidal conformation, includes an electronic device including an electronic unit and an antenna, the latter being connected with the electronic unit and having an inner perimetral edge, and an anchoring body mounted on the internal surface for engagement between the electronic device and the tyre, the anchoring body including at least two portions, said electronic unit being arranged between the portions. Each of the portions has a fastening surface secured to the internal surface of the tyre and a groove in which the inner perimetral edge of the antenna is fitted to maintain a constraint between the electronic unit and the anchoring body. Also disclosed is a method of installing an electronic unit into a tyre. | 07-23-2009 |
20090211353 | PIEZOELECTRIC MODULE FOR ENERGY HARVESTING, SUCH AS IN A TIRE PRESSURE MONITORING SYSTEM - Subject matter disclosed herein may relate to energy harvesting piezoelectric modules as may be used, for example, in power supplies for tire pressure monitoring systems. | 08-27-2009 |
20090266153 | MOUNTING STRUCTURE OF ELECTRONIC DEVICE, AND PNEUMATIC TIRE ONTO WHICH ELECTRONIC DEVICE IS MOUNTED BY SUCH MOUNTING STRUCTURE - A bonded patch is bonded on a surface of an inner liner. A first patch wall having a first wall surface for restraining a movement of an electronic device main body in one direction is provided integrally with the bonded patch so as to project toward a tire center. A second patch wall having a second wall surface for restraining a movement of an electronic device main body in another direction is provided integrally with the bonded patch so as to project toward the tire center. A connecting segment is provided between the first patch wall and the second patch wall with bridging them for engaging a top of the electronic device main body. A crack occurrence on the mounting structure is prevented by deconcentrating a force applied on an electronic device to overall of the mounting structure to restrain an intensive stress concentration on the mounting structure. | 10-29-2009 |
20090282906 | APPARATUS AND METHOD FOR DETECTING DECREASE IN TIRE AIR PRESSURE AND PROGRAM FOR DETECTING DECREASE IN TIRE AIR PRESSURE - An apparatus for detecting a decrease in a tire air pressure includes: a rotation velocity information detection means for periodically detecting tire rotation velocity information for the respective wheels of a vehicle; a frequency characteristic estimate means for estimating, based on this rotation velocity information, a frequency characteristic of the rotation velocity information; and a judgment means for judging, based on the estimated frequency characteristic, a decrease in the air pressure of the tire. The frequency characteristic estimate means includes, with regard to a time-series signal including the rotation velocity information, a parameter estimate means for subjecting parameters of a three-order or more linear model to a time-series estimate; an input signal estimate means for estimating, based on the estimated linear model and the rotation velocity information that is an output signal of the linear model, an input signal to the linear model; a parameter identification means for identifying, based on the estimated input signal and the rotation velocity information, parameters of a linear model caused to have a lower order of a second order; and a resonant frequency estimate means for estimating, based on the parameters identified based on the model caused to have a lower order of the second order, a resonant frequency of the tire in a torsional direction. | 11-19-2009 |
20090293604 | MULTI-CHIP PACKAGE - Subject matter disclosed herein may relate to packaging for multi-chip semiconductor devices as may be used, for example, in tire pressure monitoring systems. | 12-03-2009 |
20100011852 | TIRE SENSOR SYSTEM AND METHOD - A tire and sensor system and method includes a tire having an inflatable radially inward tire casing and a radially outward tire tread ring situated on the casing and a sensor system. The sensor system includes a first conductive medium affixed to a radially inward surface of the tread ring and a second conductive medium affixed to a radially outward surface of the casing. The second conductive medium operatively contacts the first conductive medium in a desired, relative orientation between the tire casing and the tread ring and operatively separates from the first conductive medium when tire casing and the tread ring depart from the desired orientation. A sensor is connected to the second conductive medium for operatively detecting separation of the second conductive medium from the first conductive medium. | 01-21-2010 |
20100018302 | METHOD AND APPARATUS FOR OVERMOLDING A TIRE PRESSURE MONITOR SENSOR - A tire pressure monitoring apparatus includes a valve assembly mountable in a vehicle wheel and a housing securable to the end of the valve assembly. A pressure sensor assembly is securable in the housing for monitoring tire pressure and providing an electrical signal indicative thereof. The pressure sensor assembly includes a flexible circuit board, and a battery held within a fold of the flexible circuit board, wherein the flexible circuit board is overmolded. | 01-28-2010 |
20100024539 | SNAP-IN TIRE VALVE - A snap-in tire pressure monitoring system having a valve that deforms to form an annular sealing surface around an opening in a tire rim. A sensor housing having electronics components configured to sense conditions within the tire may be attached to the valve. Data collected by the components may be wireless transmitted for further processing. | 02-04-2010 |
20100071454 | METHOD AND APPARATUS FOR DETECTING A CONTINUOUS LF WAVE SIGNAL - An apparatus for detecting a continuous wave (CW) signal including a demodulator demodulating a received CW signal and providing a demodulated signal, an edge detector for detecting an edge of the demodulated signal and thereby, detecting the CW signal and a switchable short-circuit of the demodulator, edges being formed in the demodulated signal when the demodulator is temporarily short-circuited during receipt of the CW signal. | 03-25-2010 |
20100083747 | METHOD AND MONITORING UNIT FOR MONITORING A TIRE OF A MOTOR VEHICLE - A method and a monitoring unit for monitoring a tire of a vehicle record a first measured value of revolutions of a tire with a first sensor. In addition, a second measured value of the revolutions of a tire is recorded with a second sensor. Alternatively, a second measured value of a second, different measured variable of a tire can also be recorded. In a further step, the directly measured or derived measured values of a measured variable are compared and an error signal is generated if a determined deviation is greater than a predefinable tolerance value. | 04-08-2010 |
20100089140 | TIRE PRESSURE INFORMATION MONITORING SYSTEM - A tire pressure information monitoring system includes a pressure sensor ( | 04-15-2010 |
20100116043 | COMPONENT AND PRODUCTION METHOD FOR A COMPONENT - A component having an acceleration sensor having at least one freely oscillatory mass, and a resonator having at least one resonating structure, in which the at least one freely oscillatory mass of the acceleration sensor and the at least one resonating structure of the resonator are disposed on and/or in one chip. A corresponding production method for a component is also described. | 05-13-2010 |
20100147063 | Pressure Sensor Mounting Method, Tire and Wheel Having Pressure Sensor, and Tire Pressure Detection Device - The accuracy of a measurement value obtained by a tire pressure detection device is lowered by a centrifugal force and an inertial force during travel. A pressure sensor ( | 06-17-2010 |
20100170332 | TIRE MODULE WITH PIEZOELECTRIC TRANSDUCER - Tire module for the detection of tire state quantities which includes a printed circuit board and a piezoelectric transducer with a housing and at least one transducer element, wherein the transducer element is coupled to piezoelectric material or consists of piezoelectric material, and wherein the piezoelectric transducer is executed as a surface-mounted device (SMD) and as such is mounted on the printed circuit board by terminal areas and is electrically connected to the printed circuit board. | 07-08-2010 |
20100288039 | UNIT FOR MEASURING AND SYSTEM FOR MONITORING TIRE PRESSURE IN TIRES OF THE EXTENDED MOBILITY OR OTHER TYPE - Measuring unit with at least a pressure sensor and signal transmission means, intended to be fitted on a tire/wheel assembly, characterized in that it comprises a logic indicator with two states, active and inactive, and in that the logic indicator becomes active each time the pressure measured by the pressure sensor is below a given threshold, close to zero. | 11-18-2010 |
20110041596 | Method and System for Monitoring Tire Pressure - The invention relates to a method for monitoring air pressure in vehicle tires using wheel electronics, which comprise a pressure sensor for measuring the air pressure present in the tire, a transmitter for transmitting pressure information, and a receiver for receiving interrogation signals, wherein a transmission activity of the wheel electronics is triggered by the reception of an interrogation signal, which is transmitted as a pulse train comprising a command section that encodes a transmission instruction for the wheel electronics. According to the invention, the pulse train comprises an adjustment section having several pulses before the command section. | 02-24-2011 |
20110056285 | Focused field antenna for passive RFID tire pressure sensor transponder - A passive RFID transponder sensor system includes a sensor assembly having a focused field transponder antenna with a highly magnetically permeable transponder antenna stem, and a reader antenna with an electrical reader coil generating a magnetic field having magnetic flux extending between the reader antenna and a sensor assembly. The electrical transponder coil and the electrical reader coil are coupled by the magnetic field, so that information can be transferred to and from the sensor assembly through the magnetic field by which the electrical transponder coil and the electrical reader coil are coupled. | 03-10-2011 |
20110113876 | TIRE MODULE HAVING A PIEZO-SENSITIVE SENSOR - A tire module for detecting tire condition variables, the module being mounted on an inside of a tire in an area deformed during tread shuffle and including at least one carrier, on which at least one electronic component is disposed, and at least one piezo-sensitive sensor, the piezo-sensitive sensor being disposed such that it is at least partially deformed during deformation of the tire during tread shuffle, and the deformation of the piezo-sensitive sensor being used to determine at least one shuffle variable, and the tire module including at least one battery for at least partially supplying energy to the at least one electronic component, and to use of the tire module. | 05-19-2011 |
20110132081 | Tire Monitoring Device and System - A tire monitoring device may be used in conjunction with a tire monitoring system for a vehicle. The tire monitoring device includes a tire monitoring sensor unit having a state monitoring sensor monitoring a tire state, such as a tire pressure, and a first acceleration sensor and a second acceleration sensor respectively measuring accelerations in first and second directions on a plane perpendicular to a wheel axis, and a controller. The controller is configured to determine whether a wheel is on the left or right side of the vehicle on the basis of a relationship between alternating signals of the first acceleration sensor and the second acceleration sensor and determining whether or not a tire event has occurred with reference to a calculated value based on the accelerations measured by the first acceleration sensor and the second acceleration sensor. The tire monitoring device performs minimum operation required for automatic tire location recognition, thereby minimizing battery consumption and reducing the calculation load of the tire monitoring device itself and a central control unit. | 06-09-2011 |
20110219865 | DEVICE FOR MEASURING TIRE PRESSURE - A device for measuring the tire pressure in a pneumatic tire of a vehicle, having an electronic system housing which has an electronic system for measuring values, acted on by a tire valve, for the tire pressure, wherein the electronic system for measuring values is assigned a receiver arranged outside the pneumatic tire, and wherein the electronic system housing is arranged in the region of the rim well of a rim for the pneumatic tire and is indirectly or directly connected to the tire valve, wherein at least one spring element which is operatively connected to the rim well is provided on the electronic system housing. | 09-15-2011 |
20110308310 | Load Based Wheel Position Determination - A method carried out in a wheel unit of a tire pressure monitoring system comprises detecting, using a controller in the wheel unit, increases and decreases in loading of a tire on a wheel associated with the wheel unit during acceleration and deceleration. Front/rear position of the wheel unit on a vehicle mounting the tire pressure monitoring system is determined, using the controller in the wheel unit, based on the loading and unloading of the tire and wheel during acceleration and deceleration. Rotation direction of the wheel in the wheel unit is determined and the controller in the wheel unit determines left/right position of the wheel unit on the vehicle based on the rotation direction of the wheel. An indication of the front/rear and left/right position of the wheel on the vehicle and an identification unique to the transmitting wheel unit are transmitted. | 12-22-2011 |
20120060598 | METHOD FOR ALLOCATING IDENTIFIERS OF WHEEL ELECTRONICS OF A TIRE PRESSURE MONITORING SYSTEM OF A VEHICLE TO THE POSITIONS OF ABS SENSORS ON THE VEHICLE - Allocates identifiers of units of a tire pressure monitoring system to the positions of ABS-sensors which are each assigned to the wheels of the vehicle. The identifiers are contained in signals that are emitted by the units. Each unit, which is called a wheel electronic, has a pressure sensor, which is sensitive to the tire pressure of the wheel, a motion sensor, which provides information on the rotation speed of the wheel, a memory with the individual identifier of the wheel stored therein, and a transmitter, which transmits signals only containing information on the rotation speed of the respective wheel, to a receiver. An evaluation device receives the transmitted identifier and compares the information on the rotation speed of the wheel transmitted along with the identifier, with rotation speed information, which were acquired by the ABS sensors for the same time span and transferred to the evaluation device. | 03-15-2012 |
20120067116 | WHEEL - This wheel is equipped with a tyre and an electric device ( | 03-22-2012 |
20120085160 | Tire Module and Tires Equipped Therewith - A tire module, for installation on an inner side of a pneumatic tire for vehicles, including a device for measuring and/or monitoring of the air pressure in the tire, a transmitter for transmitting radio signals, which contain information about the air pressure in the tire, a mechanical-electrical converter having a bendable piezoelectric element, which converts into electric energy alternating deformations of the piezoelectric element caused by the rolling tire, and a storage device for the electric energy, which is connected to the converter. The converter includes a circular, disc-shaped, piezoelectric element (piezo disc) on which an electrical voltage generated by the piezo effect is tapped at contact points, which are situated on opposite sides of the piezo disc. | 04-12-2012 |
20120111102 | Device for Monitoring Tire Pressure - A device for monitoring tire pressure includes an antenna for transmitting pressure data, a printed circuit board with a circuit for measuring and transmitting pressure data that is connected to the antenna, a power source for supplying the circuit, and a housing surrounding the printed circuit board, According to the invention, the housing is produced by insert-molding the antenna. | 05-10-2012 |
20120152008 | WIRELESS TIRE PRESSURE SENSING DEVICE, METHOD FOR SETTING A STANDARD TIRE PRESSURE THEREOF, AND WIRELESS TIRE PRESSURE SENSING ACTIVATION DEVICE - A wireless tire pressure sensing device, a method for setting a standard tire pressure thereof and a wireless tire pressure sensing activation device adjust the tire pressure of each tire in a vehicle to a standard tire pressure according to a requirement of the vehicle after the wireless tire pressure sensing device is mounted in each tire, maintain each tire at the standard tire pressure for a preset time period or employ the wireless tire pressure sensing activation device to transmit a setup instruction to the wireless tire pressure sensing device to set a current tire pressure as the standard tire pressure. The wireless tire pressure sensing device can be set up with the standard tire pressure and conveniently modified. As no threshold value of tire pressure needs to be pre-stored, wireless tire pressure sensing devices with different threshold values are not necessarily prepared beforehand, thereby effectively lowering the stocking pressure on inventory management. | 06-21-2012 |
20120222478 | TRANSMISSION DEVICE FOR TRANSMITTING INFORMATION ABOUT TIRE CONDITION AND TIRE CONDITION MONITORING SYSTEM - A tire condition monitoring system includes a transmission device, a receiving device, and a monitoring section. The transmission device includes a sensor which detects a condition of gas in a tire cavity area surrounded with a tire and a rim as tire information, a transmitter which wirelessly transmits the tire information, and a housing which houses the sensor and the transmitter. An opening portion of an air vent connecting a housing inner space and the cavity area is formed on top of a protruding portion protruding from the surface of the housing. An area of the opening portion is 0.4 mm | 09-06-2012 |
20120240672 | MINIATURIZED ENERGY GENERATION SYSTEM - An autonomous energy generation system, in particular designed as an integrated miniaturized energy generation system based on MEMS technology, has a piezoelectric energy converter for converting mechanical energy into electrical energy, and has at least one piezoelectric element into which mechanical force (in particular deformation force) induced by a fluid flow can be coupled. The piezoelectric element is excited to vibrate mechanically. An integrated circuit (ASIC) is used for managing the energy provided by the piezoelectric energy converter. | 09-27-2012 |
20120247197 | FOCUSED FIELD ANTENNA FOR PASSIVE RFID TIRE PRESSURE SENSOR TRANPONDER - A passive RFID transponder sensor system includes a sensor assembly having a focused field transponder antenna with a highly magnetically permeable transponder antenna stem, and a reader antenna with an electrical reader coil generating a magnetic field having magnetic flux extending between the reader antenna and a sensor assembly. The electrical transponder coil and the electrical reader coil are coupled by the magnetic field, so that information can be transferred to and from the sensor assembly through the magnetic field by which the electrical transponder coil and the electrical reader coil are coupled. | 10-04-2012 |
20120255349 | MICRO-POWER SYSTEMS - A micro-power system and a tire pressure monitoring system that includes an energy harvesting module and a computing device are disclosed. In one aspect, the energy harvesting module comprises an energy harvesting unit having a combined vibration energy/RF energy harvester. A single sensing element is used for both vibration energy harvest and for RF communication including RF energy harvesting. Energy harvested is transmitted to power management module which powers components of the energy harvesting module. Data relating to sensor output from the single sensing element is transmitted to a microcontroller and transmitted to a microprocessor unit on the computing device. | 10-11-2012 |
20120312089 | SIGNAL TRANSMISSION DEVICE FOR TIRE PRESSURE GAUGE WITH A GAS NIPPLE - A signal transmission device for a tire pressure gauge with a gas nipple, the tire pressure gauge including a circuit board on which a signal transmission circuit is installed and an enclosure for containing the circuit board therein. The signal transmission device includes: a tire pressure detection circuit for detection of the pressure value inside the tire and transforming the pressure value into electrical signal; the signal transmission circuit, which is mounted on the circuit board for transforming the electrical signal into signal to be transmitted; a cylindrical coil, one end of which is electrically connected with the signal transmission circuit for receiving the signal to be transmitted and radiating the signal to be transmitted out of the tire, while the other end thereof is electrically connected with the gas nipple to function as an impedance match element so as to transmit the signal out of the tire; and the gas nipple connected with the enclosure of the tire pressure gauge in a universal manner, and transmitting the signal out of the tire. | 12-13-2012 |
20130074592 | TIRE PRESSURE MONITORING SYSTEM MODULE - Disclosed herein is a tire pressure monitoring system module including: a circuit board having electronic components and electrical elements mounted thereon to transceive electrical signals; a battery mounted on a lower portion of the circuit board to thereby form a double layer structure together with the circuit board; a valve antenna provided at a side portion of the circuit board; and a connection pin connecting the circuit board and the valve antenna to each other. | 03-28-2013 |
20130104640 | INDIRECT TIRE PRESSURE MONITORING SYSTEMS AND METHODS | 05-02-2013 |
20130133415 | TIRE INNER PRESSURE MEASUREMENT SYSTEM - A tire internal pressure measuring system includes a detector for detecting the internal pressure of a tire, and an acquisition device for acquiring data relating to the internal pressure of the tire detected by the detector. An antenna unit of the acquisition device generates induced electromotive force in an antenna unit of the detector by electromagnetic induction, and acquires a resonant waveform in tune with the resonance of an LC resonance circuit configured from a capacitance sensor charged with the electromotive force generated in the antenna unit and the antenna unit. The acquired resonant waveform is frequency-divided, and a capacitor (C) is charged during a period from the rising edge to the falling edge of the waveform obtained by the frequency dividing. The value of charged voltage is associated with the tire internal pressure. | 05-30-2013 |
20130139582 | TIRE PRESSURE MONITOR - A tire pressure monitor enables the TPMS (Tire Pressure Monitoring System) in a tire to detect and send a tire pressure signal from an air faucet to the outer side of the wheel rim by an antenna connecting line, and uses an insulation sleeve to isolate an electrical transmission between the air faucet and an external air faucet so that the whole external air faucet becomes an insulating and independent transmitting antenna which can be unaffected by the serious shield from the wheel rim or steel wire annulus. Therefore, the tire pressure can be measured directly by the tire pressure detector inside of the tire and the transmitting signal can be sent accurately to the receiver in the vehicle in order to enhance the reliability of measuring tire pressure and driving safety. | 06-06-2013 |
20130145835 | POSITION DETECTION APPARATUS FOR TIRE PRESSURE MONITORING SYSTEM (TPMS) SENSORS AND METHOD THEREOF - Position detection apparatuses of TPMS sensors and a method thereof are provided. One aspect of the invention provides a position detection apparatus for tire pressure monitoring system (TPMS) sensors mounted on each wheel of a vehicle. The apparatus includes: a receiver programmed to receive TPMS signals from each TPMS sensor; and a controller programmed to (i) sequentially arrest rotation of each wheel of the vehicle and (ii) detect a position of each TPMS sensor by associating a TPMS signal that is not received at the time of arresting a specific wheel with a position of the specific wheel that is arrested at that time. | 06-13-2013 |
20130213126 | EXTERNAL TIRE PRESSURE SENSING DEVICE - An external tire pressure sensing device includes from bottom to top along it axial direction a base, a sensor for detection of the internal pressure of tire, a circuit board for incorporating a control circuit therein, a button battery and a packaging suite. The base includes a screw hole along its axial direction for locking with a gas nozzle, and a circular platform is formed on a top portion of the base; the device comprises an integral sealable venting member having a supporting platform tightly engaged with the circular platform, a communication portion placed into the base screw hole from the bottom of the supporting platform to push out a gas outlet valve of the gas nozzle, and a communicating hole for communicating the screw hole with an upper space of the supporting platform; the sensor is installed on the bottom surface of the circuit board so as to be electrically connected with a control circuit of the circuit board; and a sensing portion located on a bottom surface of the sensor is engaged tightly with the communicating hole of the sealable venting member; the button battery is positioned on a top surface of the circuit board and electrically connected with the control circuit so as to provide electrical power. | 08-22-2013 |
20140033814 | CAPACITIVE PRESSURE SENSOR IN AN OVERMOLDED PACKAGE - An overmolded pressure sensor package is provided. The pressure sensor die (Pcell) is capped so that the Pcell has enhanced rigidity to withstand stress effects produced by the molding encapsulant. The Pcell cap includes a hole located away from the Pcell diaphragm, so that external gas pressure can be experienced by the Pcell, while at the same time directing moisture away from the diaphragm. Gel does not need to be used, and instead a soft film can be deposited on the Pcell to protect the Pcell diaphragm from excess moisture, if needed. The Pcell cap can take the form of, for example, a dummy silicon wafer or a functional ASIC. | 02-06-2014 |
20140060169 | PRESSURE SENSOR WITH DIFFERENTIAL CAPACITIVE OUTPUT - A MEMS pressure sensor device is provided that can provide both a linear output with regard to external pressure, and a differential capacitance output so as to improve the signal amplitude level. These benefits are provided through use of a rotating proof mass that generates capacitive output from electrodes configured at both ends of the rotating proof mass. Sensor output can then be generated using a difference between the capacitances generated from the ends of the rotating proof mass. An additional benefit of such a configuration is that the differential capacitance output changes in a more linear fashion with respect to external pressure changes than does a capacitive output from traditional MEMS pressure sensors. | 03-06-2014 |
20140060170 | INDIRECT TIRE PRESSURE MONITORING SYSTEMS AND METHODS - Embodiments relate to indirect tire pressure monitoring systems (TPMSs) and methods that utilize anti-lock braking system (ABS) signals. In embodiments, information from the ABS Hall signal is obtained in analog form, before pulse forming. The information can be analyzed for a resonance frequency within the ABS sensor. In some embodiments, the digitized information can be modulated onto the conventional ABS wheel speed clock signal for transmission to and analysis by the indirect TPMS electronic control unit (ECU). According to embodiments, additional information about higher-order harmonics of the wheel rotation can be provided to the TPMS ECU, which can then calculate a more accurate estimation of tire pressure while reducing warning latency. | 03-06-2014 |
20140076040 | TIRE AIR PRESSURE MONITOR DEVICE - A tire pressure monitoring system controller is provided that comprises a rotational position calculation unit that detects a rotational position for each wheel when a wireless signal including a specific sensor ID has been transmitted; a wheel position determination unit that acquires the rotational position of each wheel a plurality of times and accumulates rotational position data for each wheel, and determines the wheel position corresponding to the rotational position data with the least degree of dispersion among all the rotation position data as the wheel position of a transmitter corresponding to the sensor ID; and a rotational position detection inhibition unit that inhibits the detection of the rotational position of each wheel by the rotational position calculation unit when braking control that controls a wheel cylinder pressure of the wheels is being executed. | 03-20-2014 |
20140090463 | TIRE PRESSURE MONITORING UNIT AND METHOD FOR PRODUCING A TIRE PRESSURE MONITORING UNIT - A tire pressure monitoring unit includes a measurement and transmission electronics unit for measuring and wirelessly transmitting pressure information. A power source supplies power to the measurement and transmission electronics unit. A plastic body embeds the measurement and transmission electronics unit and also the power source. A metal carrier sheet, which carries the measurement and transmission electronics unit and also the power source, protrudes out from the plastic body with a fastening portion, which has a fastening hole. A method for producing a tire pressure monitoring unit is also disclosed. | 04-03-2014 |
20140196531 | External Tire Pressure Gauge, Mounting Structure Associated therewith, and Handling Tool thereof - An external tire pressure gauge mounting structure includes a base and a cap; the base and cap are locked together to provide an internal mounting space; the mounting structure also includes a gear, a cushion ring and a locking member; the gear is fixed on the base and has teeth; a through hole is defined in the cushion ring and teeth is provided on a sidewall of the through hole; the gear is inserted into the cushion ring, and the teeth of the cushion ring and gear mesh each other; the locking member is pressed against the cushion ring and gear; the locking member, gear and base all have their threaded holes. Also disclosed is a handling tool used for above mounting structure. The invention makes improvements upon the mounting structure of the tire pressure gauge and provides a handling tool which is easy to use. As such, mounting and dismounting of the tire pressure gauge becomes convenient. | 07-17-2014 |
20140216147 | Tire Information Obtaining Device, Tire Condition Monitoring System, and Method for Recovering Puncture Repair Liquid - A tire information obtaining device provided in a tire cavity region for obtaining tire information related to a condition of a tire includes: a sensor that detects the state of gas in the tire cavity region as the tire information; a valve; and a housing having an internal space for containing the sensor in a state of being compartmentalized from the tire cavity region, a ventilation hole for allowing communication between the internal space and the tire cavity region, and a communication hole connected to a cavity region side opening part of the valve at an end portion on the tire cavity region side and allowing communication between the cavity region side opening part and the tire cavity region. | 08-07-2014 |
20140331759 | TIRE PRESSURE SENSOR APPLICABLE TO DIFFERENT WHEEL RIMS - A tire pressure sensor includes a sensor device providing a first mounting hole and a second mounting hole in different angles and adapted for detecting the pressure of a tire at a wheel rim, an air valve mountable in a through hole at the wheel rim to guide the air pressure of the tire into the sensor device for sensing, and a fastener for selectively fastening the air valve to the first mounting hole or second mounting hole of the sensor device subject to the type of the wheel rim. | 11-13-2014 |
20140352420 | MONITORING DEVICE FOR TYRES FOR VEHICLE WHEELS, TYRE FOR VEHICLE WHEELS PROVIDED WITH SAID MONITORING DEVICE, AND METHOD FOR INSTALLING AN ELECTRONIC UNIT IN SAID TYRE - A monitoring device for tyres for vehicle wheels includes: an electronic unit; a connecting member configured for constraining the electronic unit to a tyre, the connecting member including: a first and a second base portion, mutually separated by a separated region, each of the base portions having a respective base surface associable with an inner surface of a tyre; a housing portion associated with the base portions defining, in cooperation with said base portions, a cavity for housing the electronic unit, wherein the housing portion includes at least one side structure, configured for exerting a containing action at least relative to movements of the electronic unit carried out in a major extension direction of the separation region and with respect to movements of said electronic unit carried out in a direction orthogonal to the major extension direction of the separation region wherein the cavity is confined at least by a side surface defined by an inner surface of the side structure, wherein the electronic unit includes at least one sensor, at least one antenna and a holding body for housing at least the sensor and the antenna, wherein the holding body has at least one side surface, wherein, when the electronic unit is inserted in the cavity: the side surface of the holding body faces the side surface of the cavity, and the sizes of said cavity and of the holding body are such as to form at least one first gap at least partly separating the side surface of the holding body and the side surface of the cavity. | 12-04-2014 |
20150020585 | TIRE MODULE WITH PIEZO-ELECTRIC TRANSDUCER AND TIRE EQUIPPED THEREWITH - A tire module for attachment to an inside of a pneumatic tire for vehicles includes a device for measuring and/or monitoring the air pressure in the tire. A transmitter for transmitting radio signals, which contains information regarding the air pressure in the tire, includes a mechanical-electrical transducer having a flexible piezo-electrical element, which converts alternating changes in shape of the piezo-electric element caused by the rolling tire into electric energy and includes a storage unit for the electric energy, which is connected to the transducer. The transducer may contain a circular, disc-like, piezo-electric element, which in the following is described as piezo disc and on which an electrical voltage generated through the piezo effect is tapped off on contact points which are located on opposite sides of the piezo disc. | 01-22-2015 |
20150040656 | TORSIONAL MODE TIRE WEAR STATE ESTIMATION SYSTEM AND METHOD - A tire wear state estimation system includes a tire pressure measuring device affixed to a vehicle tire for measuring tire inflation pressure and generating tire inflation pressure data; tire torsional mode measuring means for measuring tire torsional mode frequency and generating tire torsional mode frequency data; and tire identification means for generating tire-specific torsional mode coefficients using tire-specific identification data. A tire wear estimation is made based upon the tire inflation pressure data, the torsional mode frequency data, and the tire identification derived torsional mode coefficients. | 02-12-2015 |
20150059461 | Measurement Sensor - This invention is directed to a measurement sensor comprising a radio frequency identification circuit for measuring a parameter. The circuit comprises at least of one component in which a characteristic of that component can be changed to reflect a change in a measured parameter, such that the frequency of the sensor varies according to changes in the measured parameter. The invention extends to a system for measuring a variable parameter that incorporates such a sensor. | 03-05-2015 |
20150122005 | State Condition Detection Device - A first printed wiring substrate on which a detection and transceiver circuit, which detects and transmits a predetermined physical quantity of a tire, and printed wiring for an antenna are formed and a second printed wiring substrate on which printed wiring for the antenna is formed are disposed so as to oppose each other, and a planar conductor plate is provided by being fixed, so as to be positioned between an antenna and a metal face to which mounting takes place, on the second printed wiring substrate of a device main body in which the antenna is formed by conductively connecting the printed wirings for the antenna in a coil shape by a columnar connection conductor. | 05-07-2015 |
20150128691 | Tire Pressure Observation After Detecting Abnormal Pressure Condition - A tire pressure observation method and computer readable medium is provided. Upon detection of an abnormal pressure condition, a tire pressure observation method provides for various maintenance actions. A computer readable medium may contain instructions for a tire pressure observation controller directing the controller to present messages at different stages of the maintenance actions to assist maintenance staff in properly performing the maintenance actions, for example, observing the tire pressure. | 05-14-2015 |
20160001615 | PRESSURE DETECTOR AND METHOD OF ASSEMBLING THE SAME - A pressure detector includes: a case provided with a hole portion; support pillar members standing on the bottom surface of the case and each including a tapered portion at an end of each of the support pillar members; a circuit board including a sensor having a detection aperture, and mounting holes into which the respective tapered portions are insertable; and a packing provided with a through hole. The case and the circuit board are fixed by a cured resin while the hole portion is connected to the detection aperture via the through hole by inserting the tapered portion of each of the support pillar members into the mounting hole of the circuit board and by sandwiching the packing between the bottom surface of the case and the sensor. | 01-07-2016 |
20160011067 | TIRE-CONDITION ASCERTAINING APPLIANCE | 01-14-2016 |
20160016445 | TIRE PRESSURE SENSOR MODULES, TIRE PRESSURE MONITORING SYSTEM, WHEEL, METHODS AND COMPUTER PROGRAMS FOR PROVIDING INFORMATION RELATED TO A TIRE PRESSURE - A first tire pressure sensor module is configured to provide information related to a pressure of a tire of a vehicle and comprises a pressure sensor configured to determine the information related to the pressure of the tire. The pressure module further includes a controller configured to selectively operate the tire pressure sensor module in an active state and in an inactive state, wherein an energy consumption of the tire pressure sensor module is lower in the inactive state than in the active state. The controller is further configured to control an output of the information related to the pressure of the tire in the active state, and operate the tire pressure sensor module in the inactive state based on determining that information related to a velocity of the tire indicates a velocity above a threshold. | 01-21-2016 |
20160016446 | REAL TIME TIRE PRESSURE GAUGE - A real time tire pressure gauge has a first connector for connecting to a compressed air source, a second connector for connecting to a tire valve, an internal passage between the first and second connectors, a pressure sensor configured to measure a pressure in the internal passage and generate a pressure signal indicating air pressure, a controller connected to the pressure sensor to receive the pressure signal, and a display connected to the controller. The controller is configured to store a static pressure in memory based on an initial pressure sensor and display the static pressure, detect a sudden change in pressure and store a changed pressure in memory in response to detecting the sudden change, periodically sample the pressure signal and store a periodic pressure in memory, calculate an estimated tire pressure based on the static pressure, the changed pressure the periodic pressure, and display the estimated tire pressure. | 01-21-2016 |
20160046158 | SYSTEM FOR EXTERNAL ANNUNCIATION OF TIRE PRESSURE - A system for measuring tire pressure on an aircraft includes a wheel with a tire pressure. A tire pressure sensor on the wheel may be configured to output an electronic measurement of the tire pressure. A transmission device may be electrically coupled to the first tire pressure sensor and configured to transmit the first electronic measurement. A hubcap may be on the first wheel with a transmission device mounted to the hubcap. | 02-18-2016 |
20160114636 | TIRE AIR PRESSURE MONITORING DEVICE, VEHICLE INCLUDING TIRE AIR PRESSURE MONITORING DEVICE, AND TIRE AIR PRESSURE MONITORING METHOD - Each time identification information specific to each of wheels is received, a rotation position of each of the wheels is obtained and accumulated as rotation position data of each wheel with respect to each piece of identification information. Then, with respect to all the identification information, when a first tentative mounting position and a second tentative mounting position are the same in a vehicle width direction and different from each other in a vehicle longitudinal direction, the first and second tentative mounting positions being mounting positions of two of the wheels where a smallest degree of dispersion and a second smallest degree of dispersion are detected, and when the first tentative mounting position determined for each piece of the identification information is different from one another, each first tentative mounting position is determined as the mounting position of each of the wheels corresponding to the identification information, respectively. | 04-28-2016 |
20160167462 | TIRE FILL ASSIST METHOD AND APPARATUS | 06-16-2016 |
20160176248 | SENSOR DEVICE FOR SENSING AND WIRELESS TRANSMISSION OF TIRE PRESSURE | 06-23-2016 |
20190143766 | TIRE PRESSURE SENSOR DEVICE | 05-16-2019 |
20220134814 | IMPROVED RFID DEVICE FOR TIRES - The invention concerns a patch RFID device ( | 05-05-2022 |