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  • Inventor(s):
    Abhay Kumar, Paul W. Futa, Jr., Steven F. Fisher
    Patent Number:
    US 6328056 B2
    Description:

    An unbalance compensated bypass valve (14, 21, 23) for a gas turbine engine fuel supply system is responsive to the fuel pressure differential across a fuel metering valve (15) to open and close a bypass orifice (37, 39, 41; 89, 91, 93; 99, 101, 103). The bypass valve (14, 21, 23) selectively supplies high fuel pressure to a compensating cavity (45, 95, 120) providing a counterbalancing force against an annular area (47, 97, 124) of the bypass valve piston (34, 81, 83, 111, 112) to compensate…

    Date Issued:
    2001-12-11
    Resource Type
    Patent
  • Inventor(s):
    Zhou Yu, Bruno Kristiaan Bernard De Man, Jean-Baptiste Thibault, Debashish Pal, Lin Fu, Charles A. Bouman, Ken D. Sauer, Sathish Ramani, Jeffrey Allen Fessler, Somesh Srivastava
    Patent Number:
    US 8885975 B2
    Description:

    A method is provided for reconstructing an image of an object that includes image elements. The method includes accessing measurement data associated with the image elements, introducing an auxiliary variable to transform an original problem of reconstructing the image to a constrained optimization problem, and solving the constrained optimization problem using a method of multipliers to create a sequence of sub-problems and solve the sequence of sub-problems. Solving the sequence of sub-prob…

    Date Issued:
    2014-11-11
    Resource Type
    Patent
  • Inventor(s):
    Olaf G. Wiest, Paul Helquist, Frederick R. Maxfield
    Patent Number:
    US 9333222 B2
    Description:

    Embodiments herein relate to the field of lysosomal storage disorders, and, more specifically, to methods of treating lysosomal storage disorders such as Niemann-Pick type C disease, for instance with inhibitors of histone deacetylases, particularly inhibitors of class 1 histone deacetylases. In various embodiments, methods of treating Niemann-Pick type C disease with inhibitors of class 1 histone deacetylases are described.

    Date Issued:
    May 10, 2016
    Resource Type
    Patent
  • Inventor(s):
    Allen H. Simpson, Slawomir T. Fryska, Mark L. La Forest, Alexander Mukasyan
    Patent Number:
    US 7858187 B2
    Description:

    Method of joining carbon-carbon composite pieces together, e.g. in the refurbishment of aircraft brake discs. The method includes the steps of: providing a first carbon-carbon composite piece and a second carbon-carbon composite piece, wherein the second carbon-carbon composite piece has a surface that is complementary to a surface of said first carbon-carbon composite piece; providing a layer of a mixture of titanium powder and carbon powder on the first complementary mating surface; arrangi…

    Date Issued:
    2010-12-28
    Resource Type
    Patent
  • Inventor(s):
    James L. Massey
    Patent Number:
    US 3402393
    Description:

    Digital error correcting coding techniques involving the sensing of conditions under which the decoder is operating. In one aspect a monitoring device counts the ones in the decoding decision and in certain parity checks corrected by those decisions. In another aspect the code is supplemented such that one actual decoding error can create a number of apparent errors or ones, which enables early detection of conditions beyond the capability of the decoder. In another aspect fades are detected …

    Date Issued:
    1968-09-17
    Resource Type
    Patent
  • Inventor(s):
    Jimmy K. Omura, James L. Massey
    Patent Number:
    US 4587627
    Description:

    Elements of the finite field GF(2.sup.m) are represented by a vector of m binary digits in such a way that multiplication can be performed by using the same logic function to compute each binary component of the product of two elements, squaring can be performed by logic circuitry that rotates the vector representing the element to be squared, and addition can be performed by logic circuitry that forms the modulo-two sum of the corresponding components of the two vectors representing the elem…

    Date Issued:
    1986-05-06
    Resource Type
    Patent
  • Inventor(s):
    James L. Massey, Jimmy K. Omura
    Patent Number:
    US 4567600
    Description:

    A private message of m bits is conveyed from its sender to its receiver by transmission of a public message of m bits, transmission of a public reply of m bits, and another transmission of a public message of m bits such that only the intended receiver can easily recover the private message from the three public messages. This private message now available to both the sender and intended receiver also allows all subsequent private messages between these two points to require only one public m…

    Date Issued:
    1986-01-28
    Resource Type
    Patent
  • Inventor(s):
    James L. Massey
    Patent Number:
    US 3429334
    Description:

    Device for correcting or detecting errors in transmission of signal information, having an information signal memory, an adder for forming redundancy signals from connections between the adder and the memory in accordance with a convolutional code, the device constructed to enable backward or forward decoding of the message.

    Date Issued:
    1969-04-15
    Resource Type
    Patent
  • Inventor(s):
    James L. Massey
    Patent Number:
    US 3303333
    Description:

    This invention relates to methods of and aparatus for processing signal information and, more particularly, to the correcting and/or detecting of signal errors or other changes, as produced in transmission.

    Date Issued:
    1967-02-07
    Resource Type
    Patent
  • Inventor(s):
    James L. Massey, Xuejia Lai
    Patent Number:
    US 5214703
    Description:

    The device (12) comprises nine encryption stages (61.1, 61.2, 69), the first eight of which are constructed identically. It further comprises a key subblock generation unit (63), an input unit (21), and an output unit (79). It serves for the block-by-block encryption of a plaintext (X) proceeding from a message source (11) into a ciphertext (Y) to be delivered on a transmission line (13), wherein a secret key block (Z) is inputted beforehand via a secure channel 17. The encryption is effected…

    Date Issued:
    1993-05-25
    Resource Type
    Patent
  • Inventor(s):
    Thomas Schaub, James L. Massey
    Patent Number:
    US 4506372
    Description:

    In an apparatus and a method for recognizing the start of a noise-corrupted received telegram signal, and wherein the telegram signal consists of an information-containing sequence of bits ahead of the telegram signal, thereafter transmitting an intermediate sequence of bits following the preliminary sequence, but still ahead of the telegram signal, wherein the preliminary and the intermediate sequences are correlated with different parts of the preliminary and of the intermediate sequence in…

    Date Issued:
    1985-03-19
    Resource Type
    Patent
  • Inventor(s):
    James L. Massey
    Patent Number:
    US 5170412
    Description:

    In a multiple access method for the simultaneous exchange of several data streams ({B.sub.1,m }, {B.sub.2,m }, {B.sub.3,m }) among several participants of a transmission system, various data streams ({B.sub.1,m }, {B.sub.2,m }, {B.sub.3,m }) with the same spread sequence (s[.]) are expanded to a corresponding DSSS signal ({B.sub.1,m s[.]}, {B.sub.2,m s[.]}, {B.sub.3,m s[.]}. During transmission, the various DSSS signals ({B.sub.1,m s[.]}, {B.sub.2,m s[.]}, {B.sub.3,m s[.]}) are heterodyned to…

    Date Issued:
    1992-12-08
    Resource Type
    Patent