Patents by Inventor Ronald A. Frederick
Ronald A. Frederick has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 10447663Abstract: Decrypting network traffic on a middlebox device using a trusted execution environment (TEE).Type: GrantFiled: June 28, 2018Date of Patent: October 15, 2019Assignee: SYMANTEC CORPORATIONInventors: Yuqiong Sun, Daniel Marino, Susanta K. Nanda, Saurabh Shintre, Brian T. Witten, Ronald A. Frederick, Qing Li
-
Publication number: 20190253398Abstract: Decrypting network traffic on a middlebox device using a trusted execution environment (TEE).Type: ApplicationFiled: June 28, 2018Publication date: August 15, 2019Inventors: Yuqiong Sun, Daniel Marino, Susanta K. Nanda, Saurabh Shintre, Brian T. Witten, Ronald A. Frederick, Qing Li
-
Patent number: 10339340Abstract: A method for anonymous reputation requests is described. In one embodiment, the method includes calculating a full thumbprint of an object on a client machine, trimming one or more bits from the full thumbprint to generate a trimmed thumbprint, sending the trimmed thumbprint to a reputation server, and receiving a result from the reputation server regarding the trimmed thumbprint.Type: GrantFiled: June 26, 2017Date of Patent: July 2, 2019Assignee: Symantec CorporationInventors: Ilya Sokolov, Ronald A. Frederick, Mark Kennedy
-
Patent number: 10044691Abstract: Decrypting network traffic on a middlebox device using a trusted execution environment (TEE).Type: GrantFiled: February 12, 2018Date of Patent: August 7, 2018Assignee: SYMANTEC CORPORATIONInventors: Yuqiong Sun, Daniel Marino, Susanta K. Nanda, Saurabh Shintre, Brian T. Witten, Ronald A. Frederick, Qing Li
-
Patent number: 9973540Abstract: A security gateway appliance is configured to evaluate network traffic according to security rules that classify traffic flows according to specifically identified application programs responsible for producing and/or consuming the network traffic and to enforce policies in accordance with network traffic classifications. The appliance includes an on-box anti-virus/anti-malware engine, on-box data loss prevention engine and on-box authentication engine. One or more of these engines is informed by an on-box dynamic real tie rating system that allows for determined levels of scrutiny to be paid to the network traffic. Security gateways of this type can be clustered together to provide a set of resources for one or more networks, and in some instances as the backbone of a cloud-based service.Type: GrantFiled: November 22, 2016Date of Patent: May 15, 2018Assignee: SYMANTEC CORPORATIONInventors: Qing Li, Ronald A. Frederick, Thomas A. Clare
-
Publication number: 20170078249Abstract: A security gateway appliance is configured to evaluate network traffic according to security rules that classify traffic flows according to specifically identified application programs responsible for producing and/or consuming the network traffic and to enforce policies in accordance with network traffic classifications. The appliance includes an on-box anti-virus/anti-malware engine, on-box data loss prevention engine and on-box authentication engine. One or more of these engines is informed by an on-box dynamic real tie rating system that allows for determined levels of scrutiny to be paid to the network traffic. Security gateways of this type can be clustered together to provide a set of resources for one or more networks, and in some instances as the backbone of a cloud-based service.Type: ApplicationFiled: November 22, 2016Publication date: March 16, 2017Inventors: Qing Li, Ronald A. Frederick, Thomas A. Clare
-
Patent number: 6772335Abstract: In a network, a media coordination system provides secure multimedia communication channels in a collaborative network environment. The media coordination system provides automatic encryption, dynamic interconnection of streams of data, and user interface elements that provide users with control over the ultimate destination of their audio and video data. The infrastructure of the system includes a plurality of client workstations that are connected to a central server using point-to-point network connections. The central server maintains a persistent virtual world of network places with objects located therein. Streams of audio and video data are coordinated between client workstations operating in the persistent virtual world by a key manager object using channels, transmitters, and receivers. The client workstations multicast their audio and video data over the network to defined recipients after receiving a multicast address and an encryption key for a specific multicast channel.Type: GrantFiled: December 6, 2001Date of Patent: August 3, 2004Assignee: Xerox CorporationInventors: Pavel Curtis, Michael D. Dixon, Ronald A. Frederick, David A. Nichols
-
Patent number: 6560707Abstract: In a network, a media coordination system provides secure multimedia communication channels in a collaborative network environment. The media coordination system provides automatic encryption, dynamic interconnection of streams of data, and user interface elements that provide users with control over the ultimate destination of their audio and video data. The infrastructure of the system includes a plurality of client workstations that are connected to a central server using point-to-point network connections. The central server maintains a persistent virtual world of network places with objects located therein. Streams of audio and video data are coordinated between client workstations operating in the persistent virtual world by a key manager object using channels, transmitters, and receivers. The client workstations multicast their audio and video data over the network to defined recipients after receiving a multicast address and an encryption key for a specific multicast channel.Type: GrantFiled: January 12, 1996Date of Patent: May 6, 2003Assignee: Xerox CorporationInventors: Pavel Curtis, Michael D. Dixon, Ronald A. Frederick, David A. Nichols
-
Publication number: 20030051136Abstract: In a network, a media coordination system provides secure multimedia communication channels in a collaborative network environment. The media coordination system provides automatic encryption, dynamic interconnection of streams of data, and user interface elements that provide users with control over the ultimate destination of their audio and video data. The infrastructure of the system includes a plurality of client workstations that are connected to a central server using point-to-point network connections. The central server maintains a persistent virtual world of network places with objects located therein. Streams of audio and video data are coordinated between client workstations operating in the persistent virtual world by a key manager object using channels, transmitters, and receivers. The client workstations multicast their audio and video data over the network to defined recipients after receiving a multicast address and an encryption key for a specific multicast channel.Type: ApplicationFiled: January 12, 1996Publication date: March 13, 2003Inventors: PAVEL CURTIS, MICHAEL D. DIXON, RONALD A. FREDERICK, DAVID A. NICHOLS
-
Publication number: 20020101997Abstract: In a network, a media coordination system provides secure multimedia communication channels in a collaborative network environment. The media coordination system provides automatic encryption, dynamic interconnection of streams of data, and user interface elements that provide users with control over the ultimate destination of their audio and video data. The infrastructure of the system includes a plurality of client workstations that are connected to a central server using point-to-point network connections. The central server maintains a persistent virtual world of network places with objects located therein. Streams of audio and video data are coordinated between client workstations operating in the persistent virtual world by a key manager object using channels, transmitters, and receivers. The client workstations multicast their audio and video data over the network to defined recipients after receiving a multicast address and an encryption key for a specific multicast channel.Type: ApplicationFiled: December 6, 2001Publication date: August 1, 2002Applicant: Xerox CorporationInventors: Pavel Curtis, Michael D. Dixon, Ronald A. Frederick, David A. Nichols
-
Patent number: 5905488Abstract: As an electronic pen (16) moves across a display screen (12), a position resolver (14) generates a series of x,y-coordinate positions which are sent to a remote computer system (20) having a relatively high latency or time delay before the positions are processed and intended display information is returned to the memory cells of a memory array (24) which controls the display on the display screen (12). During the time delay, a temporary display of the trajectory is created, preferably in light gray or another distinguishable color. Each x,y-coordinate position is compared (32) with an immediately preceding coordinate position to determine whether the pen has moved. If so, the new coordinate is stored in a memory (36) which stores a preselected number of the most recent coordinate positions and to a toggle circuit (38) which toggles a preselected bit of the display information stored in the corresponding memory cell of the memory array.Type: GrantFiled: October 11, 1996Date of Patent: May 18, 1999Assignee: Xerox CorporationInventors: Alan J. Demers, Ronald A. Frederick, Christian P. Jacobi, Christopher A. Kantarjiev, Robert T. Krivacic, Mark D. Weiser
-
Patent number: 5768126Abstract: A system and method are disclosed for mixing multiple digital audio streams originating from or destined for multiple tasks in a computer system. In one aspect, a method is carried out in a computer system having a processor. The processor executes a multitasking operating system that has a kernel, executes a first task under control of the operating system, and while executing the first task executes a second task under control of the operating system. First and second audio streams are provided, each made up of a series of digital audio samples representing an audio signal and affiliated, respectively, with the first and second tasks. By executing a portion of the operating system kernel with the processor, the first and second audio streams are mixed to provide a mixed audio stream made up of a series of digital audio samples representing a superposition of the first and second audio signals.Type: GrantFiled: May 19, 1995Date of Patent: June 16, 1998Assignee: Xerox CorporationInventor: Ronald A. Frederick
-
Patent number: 5757424Abstract: A system enables high-resolution videoconferencing images to be transmitted, without extreme demands on bandwidth. A mosaicing camera sequentially samples a series of small portions of a general scene, and a composite image of the entire general scene is transmitted. Simultaneously, an individual small area of the general scene where high time resolution is desirable is sampled at a high time resolution by a dedicated camera. The high-time-resolution images are then patched into the composite image.Type: GrantFiled: December 19, 1995Date of Patent: May 26, 1998Assignee: Xerox CorporationInventor: Ronald A. Frederick
-
Patent number: 5485212Abstract: In a method and apparatus for producing a signal for transmission to a receiver, a video signal is converted to digital form and the data of sequential frames of the signal are arranged in a plurality of blocks of pixel data that numerically represent visual characteristics of the respective pixels of the frame image. Each block is further organized as a matrix of pixel data. The pixel data of the blocks of a "previous" video frame, and a current video frame, are stored in a memory. A row of each block of the current video signal is compared with the corresponding row of the previous video frame, and a list is made of blocks in which the averages of the pixel data exceed a predetermined threshold. The pixel data of the listed blocks with lossy compression, and is encoded for transmission along with high definition data of a predetermined number of blocks of unchanged data.Type: GrantFiled: November 2, 1993Date of Patent: January 16, 1996Assignee: Xerox CorporationInventor: Ronald A. Frederick