Patents Assigned to The Board of the University of Illinois
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Patent number: 9461827Abstract: In a vehicle-to-vehicle wireless communication system utilizing certificates to verify trustworthiness of received communications, a method for distributing a list of certificate revocations to vehicles in the communication system. At least one main station transmits a list of certificate revocations to at least one vehicle and the vehicle thereafter transmits the list of certificate revocations to other vehicles in the communication network. Each of the other vehicles in the communication network updates its list of certificate revocations in response to the receipt of the list of certificate revocations from another vehicle in the system. The other vehicles thereafter transmit their updated list of certificate revocations to other vehicles in the system.Type: GrantFiled: April 11, 2008Date of Patent: October 4, 2016Assignees: Toyota Motor Engineering & Manufacturing North America, Inc., The Board of Trustees, University of Illinois at Urbana-ChampaignInventors: Kenneth P. Laberteaux, Yih-Chun Hu, Jason Haas
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Patent number: 8230215Abstract: In a vehicle-to-vehicle communication network utilizing PKI security methods to protect communications and in which the PKI encryption utilizes a Certificate Authority having both a private key and a publicly distributed key, a method for allocating multiple certificates for each vehicle which are assigned to each vehicle in the communication network. The method includes the step of assigning a unique secret key k to each vehicle in the communication network. The Certificate Authority then creates a plurality of public key and private key encryption pairs for each vehicle and each encryption pair is associated with an index i. A plurality of certificates are then created with one certificate for each value of the index. A revocation list comprising the secret keys is maintained by the Certificate Authority so that all encryption pairs assigned to a particular vehicle may be revoked by the secret key k corresponding to that vehicle.Type: GrantFiled: April 11, 2008Date of Patent: July 24, 2012Assignees: Toyota Motor Engineering & Manufacturing North America, Inc., The Board of Trustees, University of Illinois at Urbana-ChampaignInventors: Kenneth P. Laberteaux, Yih-Chun Hu, Jason Haas
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Publication number: 20120043693Abstract: Described herein are casting and molding methods useful for making microstructured objects. By including a plurality of microfeatures on the surface of an object, other characteristics may be imparted to the object, such as increased hydrophobicity. Some of the casting and molding methods described herein further allow for manufacture of objects having both microfeatures and macro features, for example microfeatures on or within macro features or selected macro feature regions.Type: ApplicationFiled: May 8, 2009Publication date: February 23, 2012Applicant: The Board of the University of IllinoisInventors: William P. King, Andrew H. Cannon
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Patent number: 7934095Abstract: A method for exchanging messages containing reliable information between nodes in an ad hoc network, such as a vehicle ad hoc network. The method includes the steps of providing a public key for a PKI encrypted certificate authority signature to all nodes known to transmit reliable information. Each node transmits a signal containing node identification information and the PKI encrypted certificate authority signature associated with that node. Each node also receives like signals from other nodes and then decrypts the certificate authority signatures from the received signals by using the certificate authority public key to ascertain the authenticity of the received certificate authority signatures and the reliability of the received message.Type: GrantFiled: November 7, 2007Date of Patent: April 26, 2011Assignees: Toyota Motor Engineering & Manufacturing North America, Inc., The Board of Trustees, University of Illinois at Urbana-ChampaignInventors: Kenneth P. Laberteaux, Yih-Chun Hu
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Patent number: 7804877Abstract: The present invention provides in one of the embodiments for either a continuous wave (cw) or pulsed alkali laser having an optical cavity resonant at a wavelength defined by an atomic transition, a van der Waals complex within the optical cavity, the van der Waals complex is formed from an alkali vapor joined with a polarizable gas, and a pump laser for optically pumping the van der Waals complex outside of the Lorentzian spectral wings wherein the van der Waals complex is excited to form an exciplex that dissociates forming an excited alkali vapor, generating laser emission output at the wavelength of the lasing transition.Type: GrantFiled: May 19, 2008Date of Patent: September 28, 2010Assignees: CU Aerospace, LLC, The Board of the University of IllinoisInventors: Joseph T. Verdeyen, James Gary Eden, David L. Carroll, Jason D. Readle, Clark J. Wagner
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Publication number: 20090259841Abstract: In a vehicle-to-vehicle communication network utilizing PKI security methods to protect communications and in which the PKI encryption utilizes a Certificate Authority having both a private key and a publicly distributed key, a method for allocating multiple certificates for each vehicle which are assigned to each vehicle in the communication network. The method includes the step of assigning a unique secret key k to each vehicle in the communication network. The Certificate Authority then creates a plurality of public key and private key encryption pairs for each vehicle and each encryption pair is associated with an index i. A plurality of certificates are then created with one certificate for each value of the index. A revocation list comprising the secret keys is maintained by the Certificate Authority so that all encryption pairs assigned to a particular vehicle may be revoked by the secret key k corresponding to that vehicle.Type: ApplicationFiled: April 11, 2008Publication date: October 15, 2009Applicants: Toyota Motor Engineering & Manufacturing North America, Inc., The Board of Trustees, University of Illinois at Urbana-ChampaignInventors: Kenneth P. Laberteaux, Yih-Chun Hu, Jason Haas
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Publication number: 20080235509Abstract: A method for exchanging messages containing reliable information between nodes in an ad hoc network, such as a vehicle ad hoc network. The method includes the steps of providing a public key for a PKI encrypted certificate authority signature to all nodes known to transmit reliable information. Each node transmits a signal containing node identification information and the PKI encrypted certificate authority signature associated with that node. Each node also receives like signals from other nodes and then decrypts the certificate authority signatures from the received signals by using the certificate authority public key to ascertain the authenticity of the received certificate authority signatures and the reliability of the received message.Type: ApplicationFiled: November 7, 2007Publication date: September 25, 2008Applicants: Toyota Motor Engineering & Manufacturing North America, Inc., The Board of Trustees, University of Illinois at Urbana-ChampaignInventors: Kenneth P. Laberteaux, Yih-Chun Hu
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Patent number: 6147014Abstract: Described are preferred processes for conditioning semiconductor devices with deuterium to improve operating characteristics and decrease depassivation which occurs during the course of device operation. Also described are semiconductor devices which can be prepared by such processes.Type: GrantFiled: January 16, 1998Date of Patent: November 14, 2000Assignee: The Board of Trustees, University of Illinois, UrbanaInventors: Joseph W. Lyding, Karl Hess
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Patent number: 5663890Abstract: A method, apparatus and computer program product for determing a frequency response of a nonlinear microelectronic circuit includes simulating the behavior of the circuit over a broad frequency range by producing a plurality of periodic component signals, having respective noninterfering frequencies within the frequency range, as an input signal to the nonlinear microelectronic circuit. A time domain simulation of the behavior of the microelectronic circuit is then produced and followed by production of a frequency domain simulation from the time domain simulation once a steady-state condition has been reached. Only a single time domain simulation is required and it can be generated simultaneously for all frequencies in the desired range without the occurrence of second-order harmonic interferences.Type: GrantFiled: April 1, 1996Date of Patent: September 2, 1997Assignee: The Board of Trustees University of IllinoisInventors: Resve A. Saleh, Jeffrey G. Mueller, Brian A. A. Antao