Patents Represented by Attorney, Agent or Law Firm Steven K. Barton
  • Patent number: 6532554
    Abstract: An event correlation system for network management has computer code for at least one model of a process to be run on a node of a network, where said process is intended to be run on a different node of the network than the model. The correlation system also has code for an alarm monitor comparing the apparent behavior of the model to actual events generated by the process and generating alarm messages when the actual events of the process do not match expected events from the model. It also has code for an event correlation utility; and means for communicating alarms from the alarm monitor to the event correlation utility.
    Type: Grant
    Filed: November 29, 1999
    Date of Patent: March 11, 2003
    Assignee: Sun Microsystems, Inc.
    Inventor: Deepak K. Kakadia
  • Patent number: 6385070
    Abstract: A content addressable memory system has rows and columns of CAM cells. Each CAM cell has a data memory, and comparison circuitry for comparing the data bit of the memory element with a compare data, and for driving a signal onto a match line when the data bit is not equal to the compare data. The comparison circuitry has a mismatch node with a pre-discharge device, and drives a match line drive device coupled to the match line. The mismatch node also couples to a first comparison device having source an output of the data memory and gate coupled to the compare data, and a second comparison device having source a second output of the data memory and gate coupled to compare data. Disclosed is a ternary implementation of the CAM cell also having a mask bit. Also disclosed is CAM timing such that the CAM cells operate without crowbar current.
    Type: Grant
    Filed: March 13, 2001
    Date of Patent: May 7, 2002
    Assignee: Tality, L.P.
    Inventor: LuVerne Peterson
  • Patent number: 6381162
    Abstract: A content addressable memory system has an array of CAM cells. Each row of the array has a match line coupled to a match line pull device. The match line pull devices of each cell are also coupled to a row return line that may be shared with an adjacent row. Each row return line is coupled through a resistive device to a rail. The CAM cells also have a data memory element and comparison logic for comparing query data against the data memory element and controlling the match line pull devices.
    Type: Grant
    Filed: March 19, 2001
    Date of Patent: April 30, 2002
    Assignee: Tality, L.P.
    Inventor: Luverne Peterson
  • Patent number: 6339532
    Abstract: A hard disk drive is damped in order to reduce tracking errors by isolating the drive from the enclosure it is mounted in using one or more pieces of adhesive viscoelastic material. The hard disk drive is mounted by means of a secondary mounting plate having ventilation holes. Vibrations introduced into the drive from the enclosure, as well as rotational vibrations introduced by the rotation of the drive itself, are substantially damped by the viscoelastic material. As a result, tracking errors are substantially reduced.
    Type: Grant
    Filed: June 8, 2000
    Date of Patent: January 15, 2002
    Assignee: Compaq Computer Corporation
    Inventors: Steven G. Boulay, Stanley Walter Stefanick, Richard Ellis Mills
  • Patent number: 5784124
    Abstract: A method of behavior modification involves having a patient view supraliminal video messages superimposed upon an underlying video presentation. The video messages incorporate messages wherein at least some of the messages link a desired modified behavior to positive feelings of the patient. A supraliminal message generator and superimposer iteratively selects individual messages for display from the sequence of messages, decompressing the messages as required, and places the selected messages in a buffer memory of a video generation device. A processor of the supraliminal message generator and superimposer then fades the selected message from an invisible level to a visible level on the video display, and then fades the selected message from the visible level back to the invisible level.
    Type: Grant
    Filed: June 11, 1996
    Date of Patent: July 21, 1998
    Assignee: Advanced Learning Corp.
    Inventors: Joseph Anthony D'Alitalia, Talbert Mead
  • Patent number: 5644363
    Abstract: A subliminal video instructional device comprises circuitry for receiving an underlying video signal and presenting this signal to horizontal and vertical synchronization detection circuits, circuitry for generating a subliminal video message synchronized to the underlying video signal, and circuitry for adding the subliminal video message to the underlying video signal to create a combination video signal.
    Type: Grant
    Filed: March 24, 1995
    Date of Patent: July 1, 1997
    Assignee: The Advanced Learning Corp.
    Inventor: Talbert Mead
  • Patent number: 5642078
    Abstract: An amplifier having an inverting and a non-inverting input and at least one output is compensated by dynamically varying the transconductance of a gain stage in accordance with the gain of the output stage of the amplifier. The amplifier comprises a gain section having at least one output, where a gm of the gain section varies with a transconductance control signal. The amplifier further comprises an output stage comprising a output drive device controlled by an output of the gain section. A bias control circuit is coupled to drive the transconductance control input of the gain section, the bias control circuit increasing a differential mode transconductance of the first gain stage when the active pullup or pulldown output drive device has low gain.
    Type: Grant
    Filed: September 29, 1995
    Date of Patent: June 24, 1997
    Assignee: Crystal Semiconductor Corporation
    Inventors: Mohammad J. Navabi, Baker P. L. Scott, III