Patent application number | Description | Published |
20090000370 | TREAD DEPTH SENSING DEVICE AND METHOD FOR MEASURING SAME - A tread depth measurement system for measuring a depth of a tread provided to a tire on a vehicle. The system includes an energy source for emitting a wireless signal to be transmitted to the tire; a sensor for detecting a return wireless signal emitted from the tire to be transmitted in response to the wireless signal from the energy source; and a housing over which the tire is to roll while attached to the vehicle, said housing separating the sensor from the tire while the tread depth is being measured. A control unit is operatively coupled to the sensor for determining the depth of the tread as a function of at least the return wireless signal detected by the sensor. | 01-01-2009 |
20090195373 | INITIATOR SYSTEM AND METHOD FOR A TIRE PRESSURE MONITORING SYSTEM - An initiator system and method is provided for a tire pressure monitoring system. The initiator system includes a service station through which the vehicle passes. While situated within the service station, an initiation signal is generated prompting data transmission from wheel unit based tire pressure monitoring device to a receiver. An output device may be employed to visually display information responsive to the transmitted data. | 08-06-2009 |
20100134287 | METHOD OF DETECTING A CONTERFEIT RFID TAG - A method for determining a counterfeit from authentic RFID tag includes: assigning a unique tag identification number T wherein T=tag identification number TID; locking the unique number T into tag memory; assigning a secondary unique number E wherein E=a unique electronic product code EPC; locking the unique number E into tag memory; deriving a kill password K calculated based on an encryption algorithm f wherein K=f(T,E); locking the kill password K into tag memory; reading from the tag T′=TID; E′=EPC; and K′=kill password; calculating an expected kill password K | 06-03-2010 |
20110043342 | TIRE STATUS DISPLAY SYSTEM FOR A CARGO TRAILER - A multi-tire trailer and display system includes a trailer and a tire status display unit externally mounted to the trailer and operative to communicate a visible trailer tire inflation pressure status indicia, the display unit mounted to a forward end of the trailer at a mounting location operatively visible to an operator of a tractor during coupled operation of the tractor and the trailer. The display unit has a display panel operatively illuminated for visibly communicating the inflation status of the trailer tires and the display panel may communicate changes in the inflation status of the trailer tires by differentiated colored light emission. The display unit is at an elevated mounting location at a forward end of the trailer so as to be visible by means of a rear-view tractor mirror to an operator of a tractor coupled to the trailer as well as ground personnel. A data processing unit receives tire pressure measurement data from the trailer tires and controls the illumination of the display unit attached to the trailer. | 02-24-2011 |
20110043343 | TIRE MONITORING SYSTEM FOR A TANDEM TRACTOR TRAILER SYSTEM - A tandem tractor and trailer system includes a tractor having a cab and a trailer, each having multiple wheel units, each wheel unit having a mounted tire and a tractor tire pressure measuring device. A first display unit mounts within the cab of the tractor and a second display unit to the exterior of the trailer, each display unit operating to communicate to an operator of the tractor a visible indicia of tractor and trailer tire inflation pressure status, respectively, based upon pressure measurements of the tractor and trailer tire pressure measuring devices, respectively. The second display unit may mount to a forward end of the trailer at a mounting location operatively visible by differentiated colored light emission through a rear view mirror to the operator of the tractor during operation of the tractor and the trailer. The system may include one or more receivers operatively mounted to the tractor and trailer to receive measured tire inflation pressure data from the tractor and trailer tire pressure measuring devices, respectively, and communicate the received measured tire inflation pressure data by hard wire or wireless transmission to a common shared or local data processing unit(s). | 02-24-2011 |
20110043354 | VEHICLE TIRE MONITORING SYSTEM - A multi-tire vehicle tire monitoring system includes a plurality of tire monitoring units mounted to measure at least one measured tire parameter of a respective tire on a vehicle and transmit measured tire parameter data responsive to the tire parameter measurement. The system further includes antennae for receiving the measured tire parameter data from tire monitoring units within a respectively assigned zone of tires of the vehicle, each zone encompassing a plurality of tires, and communicating the received measured tire parameter data to a data processing unit. Each antenna is fixedly mounted in an operable spatial relationship to a respective assigned zone of tires. A display may be operatively coupled to the vehicle data processing unit to visually indicate to a user a status of measured tire parameters of tires by zone. | 02-24-2011 |
20110148592 | ANTENNA ASSEMBLY FOR A TAG READER - An antenna assembly includes a stand having a convex outer surface positioned to intercept and engage a vehicle tire as the vehicle tire passes over the convex stand surface. The height and contour of the convex stand surface slows the rotational rate of the vehicle tire, and thereby a transmitting device carried by the tire, to a preferred rotational read rate as the vehicle tire passes over the convex surface. One or more antenna members mount to the stand proximal to the convex surface, each antenna having a directionally aimed tilted antenna field positioned to continuously receive data transmission from the electronic transmitting device as the vehicle tire passes over the convex stand surface at the reduced rotational read rate. | 06-23-2011 |
20110148593 | METHOD FOR READING A VEHICLE TAG WITHIN A READ STATION - A method of reading a data transmission from an electronic transmitting device mounted to a vehicle tire assembly includes: positioning a convex upper surface of a stand to intercept a vehicle tire of the vehicle tire assembly; establishing rotational engagement between the vehicle tire and the convex upper surface of the stand to slow the speed of the vehicle and reduce the rotational rate at which the vehicle tire rotates to a targeted reduced rotational read rate; and directing an antenna field from at least one antenna toward an approach path (and at least one antenna toward the exiting path) of the vehicle tire to the convex upper surface and lower surface of the stand to receive data transmission from the electronic transmitting device as the vehicle tire passes over the stand upper surface then down the lower surface at the reduced rotational read rate. | 06-23-2011 |
20120168060 | TIRE MANDREL - A mandrel for building a tire is described having a torus shape. The mandrel is formed of a first annular layer for forming the outer tread surface of a tire. The first annular layer of material has outer ends joined to a second and third layer of material for forming the sidewalls. The first annular layer is formed of a woven material reinforced with circumferential cords, and the second and third layer of material is formed of a woven material having reinforcement cords arranged in concentric circles. The second and third layer of material has a radially inner end received in a clamp of a mandrel support device which includes means for inflating the tire mandrel. | 07-05-2012 |
Patent application number | Description | Published |
20090264091 | METHOD AND SYSTEM FOR CLOSED LOOP POWER CONTROL IN WIRELESS SYSTEMS - Aspects of a method and system for closed loop power control in wireless systems are provided. In this regard, an output power of an amplifier may be measured and an indication of the measured power may be compared to a reference signal. The results of the comparison are utilized to generate an error correction factor. The gain of a preamplifier may be adjusted utilizing the error correction factor, where the output of the preamplifier may be input to the amplifier. The error correction factor may be generated via a proportional integral derivative controller. The gain of the preamplifier may be adjusted via at least one control signal, where the at least one control signal may be generated based on a reference control word and the error correction factor. The indication of the measured power and the reference signal may be time aligned. | 10-22-2009 |
20090296801 | METHOD AND SYSTEM FOR SELECTIVE EQUALIZATION ENABLEMENT BASED ON MODULATION TYPE - Aspects of a method and system for selective equalization enablement based on modulation type may be found in a method for processing a radio frequency (RF) signal that comprises receiving a Bluetooth signal via an RF channel, detecting a modulation type of the received Bluetooth signal, and selecting an equalization circuit for processing the received Bluetooth signal based on the detected modulation type. The method may also comprise determining a data rate based on the detected modulation type. | 12-03-2009 |
20120033724 | METHOD AND SYSTEM FOR SELECTIVE EQUALIZATION ENABLEMENT BASED ON MODULATION TYPE - Aspects of a method and system for selective equalization enablement based on modulation type may be found in a method for processing radio frequency (RF) signals received via a RF channel, detecting a modulation type of at least a portion of the received RF signals, and determining whether to enable or disable an equalization circuit for processing at least a subsequent portion of the received RF signals based on the detected modulation type; and selecting one of a plurality of inputs to a selector based on the detected modulation type, wherein the plurality of inputs comprise the at least a subsequent portion of the received signals and an output signal generated by the equalization circuit. | 02-09-2012 |
20130010853 | Method and System for Selective Equalization Enablement Based on Modulation Type - Aspects of a method and system for selective equalization enablement based on modulation type are disclosed. One such method includes receiving a signal via an RF channel, detecting a modulation type of the signal, and selecting an equalization circuit for processing the signal based on the modulation type. | 01-10-2013 |