Patent application number | Description | Published |
20130289800 | IN-VEHICLE FUNCTIONS USING SHORT-RANGE COMMUNICATIONS - In-vehicle functions are implemented using a location device disposed in a vehicle, a central controller of the vehicle, and logic executable by a computer processor of the central controller. The location device includes a wireless communications interface. The logic receives a unique identifier of the location device. The unique identifier identifies a location in the vehicle in which the location device is disposed. The logic also validates the location device and an end user device in response to activation of the location device by the end user device via the communications interface. The logic further receives a request from the end user device to implement end user-configured settings for an electronic component that services the location in the vehicle corresponding to the unique identifier and activates the electronic component based on the end user-configured settings. | 10-31-2013 |
20140129051 | DEVICE LOCATION DETERMINATION BY A VEHICLE - A device location determination includes authenticating a device within range of a vehicle via a node in a vehicle. The vehicle includes a first peripheral device and a second peripheral device that is disposed at a location on the vehicle that is different than the first peripheral device. The peripheral devices are coupled to an antenna of the node. The device location determination also includes receiving from the device a first signal strength value associated with a first signal of the first peripheral device, a second signal strength value associated with a second signal of the second peripheral device, and a third signal strength value associated with a third signal transmitted by the node. The device location determination also includes determining a location of the device from the signal strength values and performing a remote function with respect to the vehicle. | 05-08-2014 |
20140129054 | MOBILE DEVICE-ACTIVATED VEHICLE FUNCTIONS - Mobile device-activated vehicle functions are implemented by authenticating a vehicle with a device via wireless signals transmitted between a low frequency antenna of the device and a low frequency antenna of the vehicle when the vehicle is in communicative range of the device. The mobile device-activated vehicle functions are further implemented by receiving, via computer processor embedded in the device, a selection from one of a plurality of input components embedded in the device, the selection associated with a vehicle function, and transmitting a request to implement the vehicle function via the low frequency antenna coupled to the computer processor and the low frequency antenna of the vehicle. | 05-08-2014 |
20140169564 | METHOD AND SYSTEM FOR SECURE AND AUTHORIZED COMMUNICATION BETWEEN A VEHICLE AND WIRELESS COMMUNICATION DEVICES OR KEY FOBS - A system is provided that includes a wireless communication device (or end device), a vehicle having a central module, and a key provisioning server. The key provisioning server is communicatively coupled to the wireless communication device and the central module via wireless connections. The central module can establish a wireless connection with the wireless communication device to initiate a current communication session. When the wireless connection is established with the central module, the wireless communication device communicates a request message to request temporary security information (e.g., public key and/or a digital certificate). The key provisioning server can then provide, in response to the request message, the temporary security information to the wireless communication device and/or the central module. The temporary security information can then be used to encrypt communications between the wireless communication device and the central module. | 06-19-2014 |
20140188348 | METHOD AND SYSTEM FOR DETECTING PROXIMITY OF AN END DEVICE TO A VEHICLE BASED ON SIGNAL STRENGTH INFORMATION RECEIVED OVER A BLUETOOTH LOW ENERGY (BLE) ADVERTISING CHANNEL - A passive entry passive start (PEPS) system is provided for performing at least one PEPS function with respect to a vehicle as an end device (e.g., smart phone or key fob, etc.) approaches the vehicle and comes within range for authorization. The vehicle includes a plurality of sensors and a central module. The central module is communicatively coupled to the end device and to the sensors via short-range wireless connections. The central module can determine, based on signal strength information provided from the sensors or the end device, whether the end device is within range for authorization. When the end device is determined to be within range for authorization, the central module can control performance of at least one PEPS function at the vehicle. | 07-03-2014 |
20150028995 | METHODS AND APPARATUS FOR OPTIMIZING BATTERY LIFE IN A REMOTE DEVICE - A method for activating a remote device is provided. In response to a determination that a remote device is within a first mode signal range of a vehicle and the remote device is moving, the method activates a second mode communication module of the remote device. | 01-29-2015 |
20150031394 | METHODS, SYSTEMS AND APPARATUS FOR PROVIDING NOTIFICATION AT AN AUTOMOTIVE HEAD UNIT THAT A WIRELESS COMMUNICATION DEVICE IS OUTSIDE A VEHICLE - Computer-implemented methods, systems and apparatus are disclosed for providing notification at an automotive head unit (AHU) of a vehicle that a pre-paired consumer electronics device (CED), such as a wireless communication device, is outside a vehicle. When it is determined that the pre-paired CED is not connected to a wireless communication interface of the AHU, a notification can be provided to the AHU indicating that the pre-paired CED is not connected. Positional data from a location message, provided from the pre-paired CED, can then be processed to generate location data and provide the location data to the AHU. | 01-29-2015 |
Patent application number | Description | Published |
20120115446 | Remote Application of Vehicle Component Settings - Remote application of vehicle control settings includes detecting a vehicle in proximity of the mobile communication device, authenticating the vehicle via a secured pairing between an identifier of the vehicle and an identifier of the mobile communication device, retrieving driver preference settings assigned to the identifier of the vehicle and the identifier of the mobile communication device, and transmitting the driver preference settings to the vehicle. | 05-10-2012 |
20120329398 | IN-VEHICLE MESSAGING - In-vehicle messaging includes intercepting an incoming communication on a mobile communication device. The incoming communication is received by a messaging application on the mobile communication device. The in-vehicle messaging also includes parsing the communication, associating elements of the communication with metadata of a digital music application, and transmitting the communication, as well as instructions for handling the communication, over a communication link between the mobile communication device and a vehicle stereo system for presentation on a component of the vehicle stereo system. | 12-27-2012 |
20140070933 | VEHICLE USER CONTROL SYSTEM AND METHOD OF PERFORMING A VEHICLE COMMAND - A vehicle user control system includes an interactive pad providing tactile feedback to a user and disposed on an exterior portion of a steering wheel. Also included is a controller in operable communication with the interactive pad and at least one vehicle component, wherein the controller is configured to perform at least one vehicle command associated with the at least one vehicle component. | 03-13-2014 |
Patent application number | Description | Published |
20110150233 | DEVICE FOR AND A METHOD OF PROCESSING A SIGNAL | 06-23-2011 |
20110182435 | CONTROL OF A LOUDSPEAKER OUTPUT - A loudspeaker drive circuit comprises a signal path compressor/limiter ( | 07-28-2011 |
20110194705 | SYSTEM AND METHOD FOR ADAPTING A LOUDSPEAKER SIGNAL - A sound system | 08-11-2011 |
20110280415 | SOUND REPRODUCTION AND DETECTION - Apparatus for generating a first acoustic signal and simultaneously sensing a second acoustic signal. The apparatus comprises: an input ( | 11-17-2011 |
20120121098 | CONTROL OF A LOUDSPEAKER OUTPUT - A control signal is generated for mechanical loudspeaker protection, or for other signal pre-processing functions. The procedure contains the following steps:
| 05-17-2012 |
20120207314 | CONTROL OF A LOUDSPEAKER OUTPUT - A loudspeaker drive circuit comprises an input for receiving an audio signal and a signal processor for processing the audio signal before application to the loudspeaker. The signal processor processes the audio signal to derive a loudspeaker drive signal which results in the loudspeaker membrane reaching its maximum displacement in both directions of diaphragm displacement. | 08-16-2012 |
20120288118 | CONTROL OF A LOUDSPEAKER OUTPUT - A method of modeling the frequency-dependent input-voltage-to-excursion transfer function of a loudspeaker, comprises, for a plurality of measurement frequencies, measuring a voltage and current and deriving an impedance at the measurement frequency. A frequency-dependent impedance function is derived. | 11-15-2012 |
20120328113 | CONTROL OF A LOUDSPEAKER OUTPUT - A method of controlling a loudspeaker output comprises deriving an admittance function over time from the voice coil voltage and current. In combination with a delta function, the force factor of the loudspeaker and the blocked electrical impedance, the input-voltage-to-excursion transfer function over time is obtained. This is used to control audio processing for the loudspeaker thereby to implement loudspeaker protection and/or acoustic signal processing. | 12-27-2012 |
20120328117 | CONTROL OF A LOUDSPEAKER OUTPUT - A loudspeaker drive circuit uses a dynamic range compressor to implement a non-linear gain function between the input signal to the dynamic range compressor and an output signal from the dynamic range compressor. The output is used to drive a loudspeaker, and the operating parameters of the dynamic range compressor are varied in dependence on a criterion, such as the estimated voice coil temperature, the power consumption or the acoustical distortion. | 12-27-2012 |
20130182851 | PROCESSOR FOR AN FM SIGNAL RECEIVER AND PROCESSING METHOD - A processing unit for processing a multi-channel audio signal has a delay element ( | 07-18-2013 |
20130251164 | LOUDSPEAKER DRIVE CIRCUIT FOR DETERMINING LOUDSPEAKER CHARACTERISTICS AND/OR DIAGNOSTICS - A loudspeaker amplifier drive circuit performs analysis of various signals relating to the input and output of the amplifier such that the characteristics and/or diagnostics of a loudspeaker driven by the amplifier can be derived. These are then presented as outputs, so that different circuitry can make use of the information for audio signal processing. | 09-26-2013 |
20130251167 | CONTROL OF A LOUDSPEAKER OUTPUT - A loudspeaker drive circuit has a microphone which forms part of an acoustic echo cancellation system. An input signal is processed before application to a loudspeaker driver, and the processing is controlled in dependence on the echo cancellation system performance, such as to control the extent to which the loudspeaker is driven into a non-linear operating region. In this way, the linearity can be controlled so as to provide an excursion limit, without needing a model of the loudspeaker or additional dedicated sensors. | 09-26-2013 |
20140072122 | MULTIPATH INTERFERENCE REDUCTION - The invention provides an audio signal processing system in which a magnitude spectrum of a frequency domain audio signal is processed based on a measure of multipath interference. The processing keeps the magnitude spectrum approximately fixed during periods of multipath interference, for example by replacing it with a temporally smoothed version of the magnitude spectrum. The magnitude spectrum (processed if required) and the phase spectrum are combined to derive a frequency domain output, which is transformed to the time domain. | 03-13-2014 |
20140072123 | DIGITAL AUDIO PROCESSING SYSTEM AND METHOD - Systems and method for audio processing are disclosed. Left and right channels of an audio data stream are combined to derive sum and difference signals. A time domain to frequency domain converter is provided for converting the sum and difference signals to the frequency domain. a first processing unit is provided for deriving a frequency domain noise signal based at least partly on the frequency domain difference signal. A second processing unit is provided for processing the frequency domain sum signal using the noise signal thereby to reduce noise artifacts in the sum signal. A frequency domain to time domain converter is provided for converting at least the processed frequency domain sum signal to the time domain. | 03-13-2014 |
20140072132 | METHOD AND SYSTEM FOR REDUCING IMPULSIVE NOISE DISTURBANCE - FM and AM receivers in car environments require a noise blanker circuit or method to reduce the audible disturbances generated by impulse noise, such as ignition noise, in the audio signal. The invention proposes a combination of time-domain and frequency-domain processing to reduce the audible distortion. The time-domain processing interpolates the signal during the impulse noise bursts, and the frequency-domain processing disperses the remaining signal distortion over time, or relocates it to positions in time where it is attenuated by a windowing technique. | 03-13-2014 |
20140169590 | SYSTEM FOR BLENDING SIGNALS - A time modification system is disclosed. The time modification module includes a delay module for receiving an input signal comprising a series of digital samples at an input sample rate. The delay module provides a delayed output signal. The time modification module further includes a duration modification module for receiving the input signal or a delayed version thereof, and providing a modified output signal. A first switch is included for selecting either the delayed output signal or the modified output signal. | 06-19-2014 |