General Motors Patent Grants

In-vehicle alert of cloud point in engine diesel fuel

Granted: August 2, 2011
Patent Number: 7991525
The disclosure relates to a method for receiving in-vehicle information regarding diesel fuel cloud point condition. The method includes establishing communication between a telematics unit in a vehicle and i) a global positioning system device, ii) a call center including a database, and iii) a cloud point monitoring device in the vehicle. The telematics unit receives from at least one of i, ii, or iii, information pertaining to vehicle location, cloud point, and ambient temperature.…

Method for identifying appropriate public safety answering points

Granted: August 2, 2011
Patent Number: 7991407
A method for identifying an appropriate public safety answering point for a mobile unit includes establishing communication between a telematics service provider and the mobile unit. Mobile unit data is received at the telematics service provider. The data includes at least the speed of the mobile unit. The telematics service provider, upon recognition and analysis of the data, predicts a position of the mobile unit during a planned conversation with a public safety answering point. An…

Context specific speaker adaptation user interface

Granted: July 26, 2011
Patent Number: 7986974
A method for providing a context specific speaker adaptation user interface is disclosed. The method allows a specific user of a voice activated system to train a voice recognition system to understand specific uttered commands by receiving a training sequence initiation input, sending at least one command to be trained, receiving a selection input, prompting a verbal input, recording the verbal input, and linking a voice input with an instruction corresponding with the command input.

Method and system for geographic boundary time triggering of communication with a mobile vehicle

Granted: July 19, 2011
Patent Number: 7983690
A method for establishing communication with a mobile vehicle includes determining whether the mobile vehicle is within a predetermined geographic region and initiating a time trigger based on the determination. The method further includes initiating communication between the mobile vehicle and a central node via a wireless connection based on the time trigger.

Sampling rate independent speech recognition

Granted: July 19, 2011
Patent Number: 7983916
A sampling-rate-independent method of automated speech recognition (ASR). Speech energies of a plurality of codebooks generated from training data created at an ASR sampling rate are compared to speech energies in a current frame of acoustic data generated from received audio created at an audio sampling rate below the ASR sampling rate. A codebook is selected from the plurality of codebooks, and has speech energies that correspond to speech energies in the current frame over a spectral…

Method of authenticating a short message service (sms) message

Granted: June 28, 2011
Patent Number: 7970381
An authentication method that can be used by a telematics-equipped vehicle to authenticate an SMS message and provide additional security features above and beyond those inherent to the SMS protocol. Generally speaking, a call center uses a mathematical function to derive a security code, and then sends an SMS message to a telematics-equipped vehicle that includes information related to the derived security code. The telematics-equipped vehicle can utilize the transmitted information to…

Telematics unit having interactive radio features

Granted: June 7, 2011
Patent Number: 7957727
The present invention provides a method for implementing interactive radio features within a telematics equipped mobile vehicle. The method includes receiving radio station information, detecting an initiation command received from a user interlace, and providing the radio station information to the telematics unit responsive to the detected initiation command. The radio station information may include a radio station message having a telephone number associated with a radio station…

Method and system for delivering telematics services via a handheld communication device

Granted: June 7, 2011
Patent Number: 7957744
A method for providing vehicle services to a user of a motor vehicle includes receiving a text message from the user via a handheld communication device in wireless communication with a call center and requesting vehicle information from a telematics unit in a vehicle associated with the user via a wireless connection. At least one vehicle service is provided based on the text message and the requested vehicle information. Another embodiment provides a method for transmitting a text…

SMS and packet data performance monitoring

Granted: May 31, 2011
Patent Number: 7953528
A system and method for monitoring data transfer performance between a central facility and a vehicle that includes calculating the message latency between the transmission and receipt of a message from a call center to the vehicle, or vice-versa. The information can be used to generate a latency map that is useful in diagnosing wireless system problems and in deciding when and how to communicate with a vehicle depending upon its location.

Telematics based vehicle maintenance client notification

Granted: May 17, 2011
Patent Number: 7945359
The present invention provides a method for providing vehicle maintenance client notification within a telematics equipped mobile vehicle that includes monitoring the mobile vehicle for vehicle system maintenance information, determining an oil-life value based on the vehicle system maintenance information, determining when the oil-life value exceeds at least one oil-life threshold level, sending the vehicle system maintenance information to a call center responsive to the oil-life…

Satellite radio file broadcast method

Granted: April 12, 2011
Patent Number: 7925255
A method and system for distributing files to remote receiving units such as passenger vehicles. The method includes the steps of (a) creating a file broadcast schedule that identifies a plurality of files and that includes scheduling information indicating when the files will be transmitted, (b) sending the file broadcast schedule to a number of remote receiving units via wireless transmission, (c) analyzing the file broadcast schedule at one or more of the remote receiving units by…

Vehicle diagnostic test and reporting method

Granted: April 5, 2011
Patent Number: 7920944
A system and method for providing user-initiated vehicle diagnostic testing and reporting in a telematics-enabled vehicle. In the method, a request for a vehicle diagnostic test is received from the driver through a user interface of a telematics unit on the vehicle. A simplified initial diagnostic check is made and a first voice message is played for the driver that provides information concerning any detected vehicle problem. The method then undergoes a more complete diagnostic check…

Method for making vehicle-related data available to an authorized third party

Granted: March 29, 2011
Patent Number: 7917253
A method for obtaining vehicle-related data from a vehicle equipped with a telematics unit and making that data temporarily available to a third party that has been approved by an authorized user, such as the vehicle owner. This enables the authorized user to decide which third parties, if any at all, are to receive vehicle-related data so that they may take advantage of any promotions or other services that are offered by the third parties. The vehicle-related data is preferably…

Synchronization and segment type detection method for data transmission via an audio communication system

Granted: March 22, 2011
Patent Number: 7912149
A system and method for asynchronous data communication over a cellular communications network that allows the transmission of different types of data frames over a voice channel using a vocoder. The data frames include a synchronization signal and data segment, with the synchronization signal being selected in accordance with an attribute of the data segment so that, upon receipt of the data frame, the synchronization signal can be used by the demodulating modem to determine not only…

Vehicle maintenance event reporting method

Granted: March 15, 2011
Patent Number: 7908051
A vehicle maintenance event reporting system and method that utilizes a vehicle email notification system in which triggers are used to initiate the generation and transmission of email messages that provide diverse types of dynamic vehicle information to the owner or other authorized subscriber. The email notifications are triggered by different events, some of which are independent of the vehicle (e.g., a monthly trigger), and others of which occur at the vehicle, such as a mileage or…

Dynamic PRL assignment system

Granted: March 8, 2011
Patent Number: 7904060
A system for selectively providing an updated PRL to a remote wireless device reduces airtime requirements by determining the PRL to be loaded based on a collection of information relating to the wireless device. Depending upon the nature, connectivity and location of the device, the system loads a partial or full PRL, and may in certain circumstances decline to load any PRL, instead flagging the existing PRL as out-of-date.

Method and system for linked vehicle navigation

Granted: February 22, 2011
Patent Number: 7894982
A method of navigating a plurality of vehicles includes receiving vehicle identifications from the plurality of vehicles at a central location. A travel group is formed based on the received vehicle identifications. Global positioning information is received from at least one vehicle associated with the travel group at the central location. The received global positioning information is transmitted from the central location to at least one vehicle associated with the travel group.

Method and system for provisioning turn-by-turn navigation demonstrations

Granted: February 15, 2011
Patent Number: 7890259
A method of demonstrating navigation in a vehicle includes receiving a navigation demonstration mode request and global positioning information at a call center. A destination prompt is transmitted from the call center to the vehicle. A point-of-interest category is received at a call center. A point-of-interest destination is determined based on the point-of-interest category. A route is determined based on the received global positioning information and the point-of-interest…

Method and apparatus for initiating communication via a multi-mode system in a vehicle

Granted: February 8, 2011
Patent Number: 7885388
A system and method for initiating and realizing communication via a multi-mode system is disclosed. The method and system include realizing a preferred mode of communication. A signal indicating the preferred mode of communication is transmitted and followed by a response signal in the preferred mode. In response, the multi-mode system is adapted to provide for communication in the preferred mode.

Lightweight protocol for use in a TCP/IP communications network

Granted: February 1, 2011
Patent Number: 7881251
A lightweight communications protocol optimized for wireless transfer of data across a TCP/IP network that connects a vehicle communications device to a remote entity, such as a call center. The lightweight protocol utilizes messages that include header, trailer, and payload elements, where the payload element is optimized for the transmission of SOAP content as a default content type, but is capable of transmitting other types of non-SOAP MIME content as well. The lightweight protocol…