Patents by Inventor Tuvia Leneman

Tuvia Leneman 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).

  • System and method for writing data to a disk drive assembly to minimize the effect of a single head failure
    Patent number: 7281156
    Abstract: A method of writing data to a disk drive system including a plurality of disks and a plurality of heads, each head for writing data to a plurality of sectors on a surface of one of the plurality of disks, the method including: A. beginning from a first sector on a first surface of a first disk of the plurality of disks, writing, with a first head, data contiguously to sectors on the first surface of the first disk from the first sector on the first disk to the last sector on the first surface of the first disk; B.
    Type: Grant
    Filed: March 17, 2004
    Date of Patent: October 9, 2007
    Assignee: EMC Corporation
    Inventor: Tuvia Leneman
  • Adaptive delay of polling frequencies in a distributed system with a queued lock
    Patent number: 6353869
    Abstract: A queued lock prioritizes access to a shared resource in a distributed system. Each unsuccessful requestor adaptively delays its next poll for the lock by a period determined as a function of its priority in the lock request queue and the average duration of a significant processor operation involving the resource.
    Type: Grant
    Filed: May 14, 1999
    Date of Patent: March 5, 2002
    Assignee: EMC Corporation
    Inventors: Adi Ofer, Tuvia Leneman, Natan Vishlitzky
  • Hot-pluggable data storage device having vibration absorbing and mechanical connector alignment
    Patent number: 5602717
    Abstract: First and second pairs of pins and cooperative first and second pairs of pin receiving apertures are provided at the confronting connector faces of each of one or more data storage device carrier subassemblies and an interconnection board of a storage system card cage subassembly into which each data storage device carrier subassembly is slidably mounted. The first pin/aperture pair engage and cooperate first to prealign, mechanically support and vibrationally damp each data storage device carrier subassembly.
    Type: Grant
    Filed: July 27, 1994
    Date of Patent: February 11, 1997
    Assignee: EMC Corporation
    Inventors: Eli Leshem, Tuvia Leneman, Lee Spechts, Ernest Sachs
  • Power supply blade lock mechanism
    Patent number: 5439399
    Abstract: An interconnect device for a power supply blade having two flat sides comprising a first portion having a fiat surface for contact with one flat side of the blade, and a second portion having a flat surface facing the first flat surface for contact with the other flat side of the blade. One flat surface is translatable toward and away from the other flat surface to engage and disengage the blade, respectively.
    Type: Grant
    Filed: February 2, 1994
    Date of Patent: August 8, 1995
    Assignee: EMC Corporation
    Inventors: Lee Spechts, Tuvia Leneman, Larry Pignolet