Patents in suit

US 9,652,023 Power management system

3 defendants · 3 suits · updated October 6, 2026

Also cited as U.S. Patent No. 9,652,023 · US9652023B2 · US 9,652,023 B2 · 9652023 · the '023 patent

Minotaur Systems LLC has filed 3 patent-infringement suits on US 9,652,023, "Power management system" since June 17, 2026, all in the E.D. Tex., against 3 distinct defendants including Avis Budget Group, Inc., CarMax, Inc. and Enterprise Holdings, Inc.. The patent was granted May 16, 2017 on a priority date of July 24, 2008. Its abstract opens: "A vehicle communication system facilitates hands-free interaction with a mobile device in a vehicle or elsewhere." The examiner cited 11 references during prosecution.

Assignee
Minotaur Systems LLC
Priority date
July 24, 2008
Granted
May 16, 2017
Expires
July 24, 2028
Status
Active
Claims
24 (2 independent)
Inventors
Otman A. Basir, William Ben Miners, Vladimir Filippov
Full text
Google Patents

The suits

3 cases · E.D. Tex. (3)

Filed Defendant Plaintiff Court Docket
2026-06-17 Avis Budget Group, Inc. Minotaur Systems LLC E.D. Tex. 2:26-cv-00478
2026-06-17 CarMax, Inc. Minotaur Systems LLC E.D. Tex. 2:26-cv-00479
2026-06-17 Enterprise Holdings, Inc. Minotaur Systems LLC E.D. Tex. 2:26-cv-00480

Docket links open the public record on CourtListener. Filing dates are the complaint's.

Independent claims

What is actually asserted, verbatim.

Claim 1

1. A vehicle communication system comprising: a mobile communication device; and a control unit in a vehicle, the control unit having an OFF state, an ON state, and a LOW POWER state, the control unit comprising: a wireless communication module communicating wirelessly with the mobile communication device; and a power management module commanding the control unit to enter the ON state in response to each of a vehicle ignition event, a vehicle running condition, an incoming wireless command signal, and environmental stimuli.

Claim 18

18. A vehicle communication system comprising: a mobile communication device movable by a user in and out of a vehicle; and a control unit in the vehicle, the control unit having an OFF state, an ON state, and a LOW POWER state, the control unit comprising: a wireless communication module communicating wirelessly with the mobile communication device; and a power management module commanding the control unit to enter the ON state in response to at least one of a vehicle ignition event, a vehicle running condition, an incoming wireless command signal, and environmental stimuli.

Art before the examiner

217 references of record, 11 cited by the examiner.

Everything listed here was before the Office and is what a challenge must go beyond. Art the examiner never saw is where an invalidity search starts.

Examiner-cited

  • US6148212A — System and method for cellular control of automobile electrical systems (Ericsson Inc.)
  • US6282495B1 — Vehicle navigation system with improved powerup performance (Magellan Dis, Inc.)
  • US6367022B1 — Power management fault strategy for automotive multimedia system (Visteon Global Technologies, Inc.)
  • US20030227390A1 — Low-battery-status informing device and method for portable electronic apparatus (Huang-Cheng Hung)
  • US20040133345A1 — Navigation system (Tomoyuki Asahara)
  • US20050066207A1 — Low power media player for an electronic device (Vulcan Portals Inc.)
  • US20050143134A1 — Vehicular, hands-free telephone system (Lear Corporation)
  • US20070016813A1 — Power management system for a communication device (Aisin Aw Co., Ltd.)
  • US20070032913A1 — Method and system for dynamic automotive vehicle moding (Ghoneim Youssef A)
  • US20070042812A1 — Vehicle immersive communication system (Basir Otman A)
  • US7323970B1 — Method and system for remote interaction with a vehicle via wireless communication (Numerex Corporation)
Applicant-cited and other (206)
  • US3928724A — Voice-actuated telephone directory-assistance system
  • US4083003A — Vehicle location system
  • US4532052A — Polymeric well treating method
  • US4591823A — Traffic speed surveillance system
  • US4989144A — Method and system for identifying and displaying discrepancies in vehicle titles
  • US5177685A — Automobile navigation system using real time spoken driving instructions
  • US5246073A — High temperature stable gels
  • US5488360A — Vehicle detection and identification system
  • US5638425A — Automated directory assistance system using word recognition and phoneme processing method
  • US5760742A — Integrated mobile GIS/GPS/AVL with wireless messaging capability
  • US5836392A — Oil and gas field chemicals
  • US5912951A — Voice mail system with multi-retrieval mailboxes
  • US5931907A — Software agent for comparing locally accessible keywords with meta-information and having pointers associated with distributed information
  • US5938706A — Multi element security system
  • US5944783A — Apparatus and method for data transfers through software agents using client-to-server and peer-to-peer transfers
  • US5963618A — Voice processing system
  • US5983108A — Method and apparatus for a nation-wide cellular telephone network
  • US6012030A — Management of speech and audio prompts in multimodal interfaces
  • US6041300A — System and method of using pre-enrolled speech sub-units for efficient speech synthesis
  • US6061718A — Electronic mail delivery system in wired or wireless communications system
  • US6088650A — Vehicle tracker, mileage-time monitor and calibrator
  • US6147598A — Vehicle theft system including a handheld computing device
  • DE19920227A1 — Navigation system with destination message transmitter receives destination message from which destination data are extracted and provided to destination memory as destination data
  • US6176315B1 — Preventing flow through subterranean zones
  • US6192364B1 — Distributed computer database system and method employing intelligent agents
  • US6192986B1 — Blocking composition for use in subterranean formation
  • US6196317B1 — Method and compositions for reducing the permeabilities of subterranean zones
  • US6212474B1 — System and method for providing route guidance with a navigation application program
  • US6253122B1 — Software upgradable dashboard
  • US20010005854A1 — System for sending and receiving e-mail to which a plurality of positional data are attachable
  • US20010021640A1 — Motor vehicle wireless telephone system
  • US6295449B1 — Data messaging in a communications network using a feature request
  • GB2329970B — Vehicle diagnosing apparatus
  • CA2405813A1 — System for interconnection of audio program data transmitted by radio to remote vehicle or individual with gps location
  • US20010056345A1 — Method and system for speech recognition of the alphabet
  • US6356869B1 — Method and apparatus for discourse management
  • US20020032042A1 — Exporting controls to an external device connected to a portable phone system
  • US6362748B1 — System for communicating among vehicles and a communication system control center
  • US20020041659A1 — Embedded phonetic support and tts play button in a contacts database
  • US6377825B1 — Hands-free wireless communication in a vehicle
  • US6385202B1 — Method and system for allowing access to traditional voice mail and interactive voice response systems over internet-like networks
  • GB2366157B — Cellular phone and method of operation
  • US6529863B1 — Method and apparatus for providing interactive services with multiple interfaces
  • US6553102B1 — System and method for fully integrating multiple business telephone systems with a single voice mail system
  • US6574531B2 — Method and apparatus for providing information to an occupant of a vehicle
  • US6580973B2 — Method of response synthesis in a driver assistance system
  • US20030114202A1 — Hands-free telephone system for a vehicle
  • US6594557B1 — Utilizing intelligent software agents in a mobile vehicle
  • US6607035B1 — Preventing flow through subterranean zones
  • US6615130B2 — Real time vehicle guidance and traffic forecasting system
  • US6622083B1 — Portable driver information device
  • US6650997B2 — System and method for interfacing mobile units using a cellphone
  • US20030231550A1 — Personalized key system for a mobile vehicle
  • US20040001575A1 — Voice controlled business scheduling system and method
  • US6690268B2 — Video mirror systems incorporating an accessory module
  • US6697638B1 — Intelligent portable phone with dual mode operation for automobile use
  • US20040058647A1 — Apparatus and method for providing hands-free operation of a device
  • US6714223B2 — Interactive-type user interface device having root scenario
  • US6721633B2 — Method and device for interfacing a driver information system using a voice portal server
  • US6724863B1 — Method and system for message routing
  • US20040082340A1 — Locally restricted open communication
  • US6731239B2 — System and method for retrieving information using position coordinates
  • US20040090950A1 — Wireless digital/analog data telemetry system adapted for use with web based location information distribution method and method for developing and disseminating information for use therewith
  • US6738742B2 — Audio notification management system
  • US20040102188A1 — Automatic call forwarding on airplanes
  • US20040104842A1 — Driver information system
  • US6748211B1 — Device and method for transmitting a message from a client device to a service center
  • US20040116106A1 — Method for communication among mobile units and vehicular communication apparatus
  • US6764981B1 — Well treatment fluid and methods with oxidized chitosan-based compound
  • US20040158367A1 — Vehicle monitoring and reporting system and method
  • US6788935B1 — Aircraft-based network for wireless subscriber stations
  • US6788949B1 — Method and system for transfer of mobile chat sessions
  • US20040182576A1 — Well treatment fluid and methods with oxidized polysaccharide-based polymers
  • US20040185915A1 — Wireless hands-free system with silent user signaling
  • EP1463345A2 — Method and system for transfering position data or coordinates of a destination
  • US20040193420A1 — Mobile systems and methods for responding to natural language speech utterance
  • US6812942B2 — Context-responsive in-vehicle display system
  • US20040243406A1 — System for speech recognition
  • US20040257210A1 — Personal rescue system
  • US6839669B1 — Performing actions identified in recognized speech
  • US6842510B2 — Method of and apparatus for controlling devices
  • US20050046584A1 — Asset system control arrangement and method
  • US20050049781A1 — Method and system for providing a carpool service using a telematics system
  • US20050054386A1 — Automatic mode changing method for car audio system with hands-free therein
  • US20050088320A1 — System for registering and tracking vehicles
  • US6895084B1 — System and method for generating voice pages with included audio files for use in a voice page delivery system
  • US6895257B2 — Personalized agent for portable devices and cellular phone
  • US6895310B1 — Vehicle related wireless scientific instrumentation telematics
  • US20050107132A1 — Method and system for managing mobile handset portability within telematics equipped vehicles
  • US20050107944A1 — System for communicating traffic data
  • US20050130631A1 — User interface and method of viewing unified communications events on a mobile device
  • US20050131677A1 — Dialog driven personal information manager
  • US6909947B2 — System and method for driver performance improvement
  • US20050135573A1 — Method of operating vehicular, hands-free telephone system
  • US6925154B2 — Methods and apparatus for conversational name dialing systems
  • US20050174217A1 — Recording and reporting of driving characteristics
  • US6944679B2 — Context-aware systems and methods, location-aware systems and methods, context-aware vehicles and methods of operating the same, and location-aware vehicles and methods of operating the same
  • US20050230434A1 — Dispensing device using multiple gas cartridges
  • US6968272B2 — Vehicle information system
  • US6970703B2 — Integrated personal communications system and method
  • US6972669B2 — On-vehicle breakdown-warning report system
  • US20050288190A1 — Methods and compositions for reducing subterranean formation permeabilities
  • US20050285743A1 — Method and device for detecting illegal operation of vehicles
  • US6982635B2 — Technique for assisting a vehicle user to make a turn
  • US20060009885A1 — System and method for determining vehicle odometer rollback
  • US20060030298A1 — Method and system for sending pre-scripted text messages
  • US20060052921A1 — On-demand system for supplemental diagnostic and service resource planning for mobile systems
  • US20060055565A1 — System and method for processing and displaying traffic information in an automotive navigation system
  • US20060089754A1 — An installed Vehicle Personal Computing (VPC) system with touch interaction, voice interaction or sensor interaction(s) that provides access to multiple information sources and software applications such as internet connected data applications, dynamic traffic-aware navigational routing, vehicle tracking, emergency accident dispatching, business applications, office applications, music and video player(s), personal info portal, vehicle monitoring, alarm and camera security and recording.
  • US7039166B1 — Apparatus and method for visually representing behavior of a user of an automated response system
  • US20060101311A1 — Connectivity between a scan tool and a remote device and method
  • US7049982B2 — Vehicle information display and communication system having an antenna array
  • US7062286B2 — Conversion of calls from an ad hoc communication network
  • US7069118B2 — Apparatus, system, and method for exchanging vehicle identification data
  • US7085629B1 — System for transmitting and receiving electronic mail containing location information
  • EP1701247A2 — XML based architecture for controlling user interfaces with contextual voice commands
  • US7113911B2 — Voice communication concerning a local entity
  • US20060217858A1 — Vehicle running-data recording device capable of recording moving tracks and environmental audio/video data
  • US20060214783A1 — Smart Traffic Ticket Device
  • US7117075B1 — Driver activity and vehicle operation logging and reporting
  • US7127271B1 — Communication device
  • US20060271275A1 — System and method for notification and correction of constraint violations in vehicles
  • US7151997B2 — Vehicle-based navigation system with smart map filtering, portable unit home-base registration and multiple navigation system preferential use
  • EP1568970B1 — Method for inputting destination data through a mobile terminal
  • EP0901000B1 — Message processing system and method for processing messages
  • US20070038360A1 — Traffic alert system and method
  • US20070043574A1 — Conversational computing via conversational virtual machine
  • US20070050108A1 — Driver activity and vehicle operation logging and reporting
  • US7191040B2 — Handheld computer based system for collection, display and analysis of engine/vehicle data
  • US20070061401A1 — Email management and rendering
  • US20070073812A1 — Terminal device
  • US7212814B2 — Methods and apparatus for efficiently managing the storage of e-mail message information for a mobile station
  • US20070106739A1 — Wireless messaging using notification messages in a wireless communication network
  • US20070118380A1 — Method and device for controlling a speech dialog system
  • US7228224B1 — System and method for determining traffic conditions
  • US20070162552A1 — Method and system for providing an instant messaging camp-on service
  • US7257426B1 — Wireless communications systems and method
  • EP1575225B1 — Asynchronous speech data communication system and communication method therefor
  • US7280975B1 — System and method for determining and/or transmitting and/or establishing communication with a mobile device user for providing, for example, concessions, tournaments, competitions, matching, reallocating, upgrading, selling tickets, other event admittance means, goods and/or services
  • US7286857B1 — Enhanced in-vehicle wireless communication system handset operation
  • US7289796B2 — Mobile communications terminal device and method for identifying incoming call for use with the same
  • US7296066B2 — Mobile communication system for a network
  • US20080004875A1 — Automated speech recognition using normalized in-vehicle speech
  • US20080027643A1 — Vehicle communication system with navigation
  • US20080031433A1 — System and method for telecommunication audience configuration and handling
  • US7346374B2 — Wireless communications system and method
  • US20080071465A1 — Determining road traffic conditions using data from multiple data sources
  • US7356474B2 — System and method for remotely enforcing operational protocols
  • US7363229B2 — Systems and methods for managing multiple grammars in a speech recognition system
  • US7366795B2 — Seamless multiple access internet portal
  • US20080119134A1 — Mobile device and distribution server for surveys using interactive media
  • US20080133230A1 — Transmission of text messages by navigation systems
  • US20080132270A1 — Vehicle communication device
  • US7386376B2 — Vehicle visual and non-visual data recording system
  • US20080140408A1 — Vehicle communication system with news subscription service
  • US7400879B2 — Method for conducting mobile communications for a network
  • US7412078B2 — System for automatic recognizing license number of other vehicles on observation vehicles and method thereof
  • US20080201135A1 — Spoken Dialog System and Method
  • US20080252487A1 — System and method for monitoring and updating speed-by-street data
  • US20080263451A1 — Method for Driving Multiple Applications by a Common Diaglog Management System
  • US7444286B2 — Speech recognition using re-utterance recognition
  • US20080270015A1 — Traffic situation determination systems, methods, and programs
  • US7461344B2 — Mixed initiative interface control
  • US20080306740A1 — Remotely and interactively controlling semi-automatic devices
  • US20090011799A1 — Hands-Free System and Method for Retrieving and Processing Phonebook Information from a Wireless Phone in a Vehicle
  • US7496514B2 — Method and Apparatus for managing dialog management in a computer conversation
  • US7505951B2 — Hierarchical state machine generation for interaction management using goal specifications
  • US20090099836A1 — Mobile wireless display providing speech to speech translation and avatar simulating human attributes
  • US20090106036A1 — Method and system for making automated appointments
  • US7526431B2 — Speech recognition using ambiguous or phone key spelling and/or filtering
  • US20090124272A1 — Filtering transcriptions of utterances
  • DE102007062958A1 — Method for obtaining traffic flow information, involves detecting time stamp by time module, detecting vehicle position of vehicle by a receiver unit, and detecting operational profile
  • US20090161841A1 — System and method for providing message-based communications via a centralized voice message server
  • US7554435B2 — Vehicle on-board unit
  • US20090176522A1 — Method for carrying out a survey of a plurality of participant communication devices, and corresponding communication drives
  • US7567542B2 — Handling attachment content on a mobile device
  • US20090204410A1 — Voice interface and search for electronic devices including bluetooth headsets and remote systems
  • US20090259349A1 — Delivering commands to a vehicle
  • US20090298474A1 — Techniques to manage vehicle communications
  • US20090318119A1 — Communication system with voice mail access and call by spelling functionality
  • US7643619B2 — Method for offering TTY/TDD service in a wireless terminal and wireless terminal implementing the same
  • US7646296B2 — Method and system for receiving and sending navigational data via a wireless messaging service on a navigation system
  • US7653545B1 — Method of developing an interactive system
  • US20100023246A1 — Automated location-intelligent traffic notification service systems and methods
  • US20100036595A1 — Method and system for transmitting data to a traffic information server
  • US20100100307A1 — Universal GPS Traffic Monitoring System
  • US20100097239A1 — Mobile device gateway systems and methods
  • US20100130180A1 — Method of updating user presence information in mobile instant messaging and mobile terminal using the same
  • US20100138140A1 — Data communication device, data communication system, and recording medium
  • US20100159968A1 — System and method for personalized text-to-voice synthesis
  • US7769364B2 — On demand voice mail recording system
  • US20100198428A1 — Multi-purpose fob system
  • US20100211301A1 — System and method for analyzing traffic flow
  • US7787907B2 — System and method for using speech recognition with a vehicle control system
  • US20100222939A1 — Methods and Systems for Remotely Managing A Vehicle
  • US20100280884A1 — Automated carpool matching
  • US7865309B2 — Intelligent selectively-targeted communications systems and methods
  • US7881864B2 — Method and apparatus for utilizing geographic location information
  • EP1840523B1 — Methods and apparatus for associating mapping functionality and information in contact lists of mobile communication devices
  • US7912186B2 — Selectable state machine user interface system
  • US7948969B2 — Mobile wireless internet portable radio
  • US8060285B2 — System and method of intelligent agent management using an overseer agent for use in vehicle diagnostics
  • US20110302253A1 — Method of and system for advising level of availability in a digital communication
  • US8090848B2 — In-vehicle multimedia real-time communications
  • US8289186B2 — Method and apparatus for ad-hoc network broadcast communication
  • US8350721B2 — Geographically specific emergency notification

Classification

  • G06F1/3209primary — Monitoring remote activity, e.g. over telephone lines or network connections
  • G06F1/3203 — Power management, i.e. event-based initiation of a power-saving mode
  • H04M1/271 — Devices whereby a plurality of signals may be stored simultaneously controlled by voice recognition
  • H04M1/6091 — Portable telephones adapted for handsfree use adapted for handsfree use in a vehicle by interfacing with the vehicle audio system including a wireless interface
  • H04M1/72433 — User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages for voice messaging, e.g. dictaphones
  • H04M1/72436 — User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages for text messaging, e.g. short messaging services [SMS] or e-mails
  • H04M1/72484 — User interfaces specially adapted for cordless or mobile telephones wherein functions are triggered by incoming communication events
  • H04M1/7255
  • H04M1/72552
  • H04M1/72597
  • H04M2250/10 — Details of telephonic subscriber devices including a GPS signal receiver
  • H04M2250/74 — Details of telephonic subscriber devices with voice recognition means
  • H04W52/0251 — Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity
  • Y02B60/50
  • Y02D30/70 — Reducing energy consumption in communication networks in wireless communication networks

Family

  • US9652023B2 — B2 (2017)
  • US20100023204A1 — A1 (2010)
  • US20180032121A1 — A1 (2018)
  • US11132045B2 — B2 (2021)

Abstract

A vehicle communication system facilitates hands-free interaction with a mobile device in a vehicle or elsewhere. Users interact with the system by speaking to it. The system processes text and processes commands. The system supports wireless technology for hands-free use. The system handles telephone calls, email, and SMS text messages. The user can customize the device via a user profile stored on an Internet web server. The system also includes a plurality of power conservation features.

Named in one of these suits? A prior-art search is commissioned once and serves every defendant who shares it. The examiner's own search record is free on the tools page, and your first preliminary search is free — one claim, back within 24 hours — so you know whether there is art the Office never saw before anyone pays for more. Flat fees: $2,500$899 for the independent claims, $5,000$1,500 for every asserted claim.

Order a free preliminary search → How much prior art does an IPR petition need?

This page is assembled from public records — federal court dockets and the patent's own file — and is updated as the case list changes. It states what the record shows and is not an opinion on the validity or infringement of any claim. Patent data via Google Patents; docket data via CourtListener.