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  • 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
    Record Visibility:
    Public
    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
    Record Visibility:
    Public
    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
    Record Visibility:
    Public
    Resource Type
    Patent
  • Inventor(s):
    James L. Massey
    Patent Number:
    US 3566352
    Description:

    Error correction in convolutionally coded messages, using a plurality of information digit streams and a single parity digital stream with each information digit being included as a component in the defining summation for exactly two parity digits spaced apart by a certain number of time intervals (a time interval being defined to include a digit from each stream), the time interval spacing between the two parity digits being the same for each information digit in a given stream but different…

    Date Issued:
    1971-02-23
    Record Visibility:
    Public
    Resource Type
    Patent
  • Inventor(s):
    James L. Massey
    Patent Number:
    US 3500320
    Description:

    Bursts of errors in convolutionally coded messages are corrected by a decoder in which a parity checking circuit determines whether selected syndrome digits which lie within the constraint length of the code form a codeword in a linear block code having as its codewords the set of all patterns of said selected syndrome digits that are consistent with any error burst pattern confined to the beginning of said constraint length and upon the presence of such a codeword, error detecting and correc…

    Date Issued:
    1970-03-10
    Record Visibility:
    Public
    Resource Type
    Patent
  • Inventor(s):
    Mark Muldoon, Joan F. Brennecke, Edward J. Maginn, Eric F. V. Scriven, Colin H. McAteer
    Patent Number:
    US 7687513 B2
    Description:

    Disclosed herein are aminopyridinium cations and compositions containing these cations. Piperidino pyridinium cations and compositions containing these cations are also described. Ionic compositions, particularly liquid ionic compositions that contain the aminopyridinium cation or piperidino pyridinium cation are also described. Methods of enhancing the thermal stability of a compound, particularly an ionic compound, using the aminopyridinium or piperidino pyridinium cations, are also present…

    Date Issued:
    2010-03-30
    Record Visibility:
    Public
    Resource Type
    Patent
  • Inventor(s):
    Eric Matlis, Thomas C. Corke, Sivaram Gogineni
    Patent Number:
    US 7275013 B2
    Description:

    Methods and systems are described for a system for obtaining information regarding a flow. These methods and systems comprise a signal generator configured to generate an alternating current signal at a carrier frequency and a transformer arranged to receive the generated signal, wherein the transformer and carrier frequency are selected so that the generated signal resonates at the carrier frequency. The alternating signal is then used to cause plasma to form across a gap between two electro…

    Date Issued:
    2007-09-25
    Record Visibility:
    Public
    Resource Type
    Patent
  • Inventor(s):
    Ken D. Sauer, Charles A. Bouman, Jean-Baptiste Thibault, Jiang Hsieh
    Patent Number:
    US 6907102 B2
    Description:

    A multi-slice computed tomography imaging system is provided including a source that generates an x-ray beam and a detector array that receives the x-ray beam and generates projection data. A translatable table has an object thereon and is operable to translate in relation to the source and the detector array. The source and the detector array rotate about the translatable table to helically scan the object. An image reconstructor is electrically coupled to the detector array and reconstructs…

    Date Issued:
    2005-06-14
    Record Visibility:
    Public
    Resource Type
    Patent
  • Inventor(s):
    Mehul Patel, Thomas C. Corke
    Patent Number:
    US 7954768 B2
    Description:

    A method of controlling an aircraft, missile, munition or ground vehicle with plasma actuators, and more particularly of controlling fluid flow across their surfaces or other surfaces which would benefit from such a method, includes the design of an aerodynamic plasma actuator for the purpose of controlling airflow separation over a control surface of a aircraft, missile, or a ground vehicle, and a method of determining a modulation frequency for the plasma actuator for the purpose of fluid f…

    Date Issued:
    2011-06-07
    Record Visibility:
    Public
    Resource Type
    Patent
  • Inventor(s):
    Peter M. Kogge, Jay B. Brockman, David Tennyson Harper, Burton Smith, Charles David Callahan
    Patent Number:
    US 7584332 B2
    Description:

    Embodiments of the present invention provide a class of computer architectures generally referred to as lightweight multi-threaded architectures (LIMA). Other embodiments may be described and claimed.

    Date Issued:
    2009-09-01
    Record Visibility:
    Public
    Resource Type
    Patent
  • Inventor(s):
    Ken D. Sauer, Charles A. Bouman, Jiang Hsieh, Jean-Baptiste Thibault
    Patent Number:
    US 7676074 B2
    Description:

    A method for filtering a measurement of density of an object is described. The method includes filtering the measurement of the density and preserving a local average of the measurement and additional measurements when performing the filtering.

    Date Issued:
    2010-03-09
    Record Visibility:
    Public
    Resource Type
    Patent
  • Inventor(s):
    Gary H. Bernstein, Patrick Fay, Wolfgang Porod, Qing Liu
    Patent Number:
    US 7612443 B2
    Description:

    The present invention provides a quilt packaging system for microchip, a method for making such a quilt packaging system, microchips that may be used in a such a quilt packaging system, and methods for making such microchips.

    Date Issued:
    2009-11-03
    Record Visibility:
    Public
    Resource Type
    Patent