Patents by Inventor Radu Alexandru

Radu Alexandru 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).

  • Publication number: 20090221267
    Abstract: A communication device includes a display screen upon which information is displayed. A microprocessor configured to execute at least one notification program is provided that displays a notification descriptive of an access control request on the display screen. The at least one notification program is programmed to receive data indicative of an access control request and to receive data descriptive of the access control request. Additionally, the at least one notification program is further programmed to display a notification indicative of the access control request and comprising an explanation of the access control request based on the received descriptive data.
    Type: Application
    Filed: February 29, 2008
    Publication date: September 3, 2009
    Inventors: Christopher Lyle Bender, Michael Grant Kirkup, Michael Kenneth Brown, Radu Alexandru Manea, Brian Alexander Zubert
  • Patent number: 7508737
    Abstract: In an ultrasound receive beamformer signals from two or more aperture elements are multiplexed at the input of each beamformer channel, stored in different portions of a delay memory, delayed and apodized in a time-multiplexed fashion, demultiplexed at the output of the channel, and summed in different summation units running at an upsampled rate. The partial sums are then time-aligned, summed to produce the total upsampled beam sum, filtered and decimated in an interpolation filter to produce the beamformed signal.
    Type: Grant
    Filed: November 7, 2007
    Date of Patent: March 24, 2009
    Assignee: Aloka Co., Ltd.
    Inventor: Radu Alexandru
  • Publication number: 20080185353
    Abstract: An implement for use in a bathroom or a kitchen which is composed of at least one rod which is oval in cross section, the rod being aesthetic in appearance and providing an advantageous force distribution over rods with circular cross sections. The implement can be a hanging device, such as a hanger, a hanger for ties and belts, and many other variations having a hook portion for engaging a cylindrical support, an over-the-door/vertical wall device also including the rods with the oval cross section, the latter devices being, for example, clothes supporting hooks, hooks for articles made from fabric; wire metal baskets having a rim and/or transition device made from a rod with an oval cross section; paper or magazine holders comprising parallel racks separated by upstanding walls; bag dispenser and handles for implements.
    Type: Application
    Filed: January 7, 2008
    Publication date: August 7, 2008
    Applicant: InterDesign, Inc.
    Inventors: Robert A. Immerman, Russell Benton Snell, Philip C. Dretzka, Radu Alexandru Ghiorghie
  • Publication number: 20080133625
    Abstract: A finite impulse response filter is implemented as a sum of individual component, running-sum filters. The sum of all of the component filters required for a desired filter response is calculated in an accumulator and only the component filters' update terms, which are the difference between a new and an old discarded sample, is calculated for each component filter. A desired impulse response is decomposed into a sum of rectangular impulse responses of equal height, each of which implemented as a running sum requiring a subtraction and an addition. Using circuits running at a multiple of the sampling clock, multiple running sums may be implemented on the same hardware. A whole filter of arbitrary impulse response shapes and lengths may be implemented using memory and two arithmetic units. Two or more such filters may be cascaded to obtain a better approximation of the desired frequency characteristic. The invention saves significant chip resources and manufacturing costs.
    Type: Application
    Filed: December 4, 2006
    Publication date: June 5, 2008
    Inventor: Radu Alexandru
  • Publication number: 20070239013
    Abstract: An ultrasound system includes an ultrasound transducer having an array of elements and a beam origin located between two adjacent elements, each of said elements for converting received energy into an echo signal; and a beamformer includes at least one channel having delay circuitry and tracking circuitry for tracking an ultrasound beam; a summer for summing phased-aligned signals to form a beam; and an initialization controller having initialization controller circuitry for calculating initialization parameters starting from a reduced parameter table according to a process for calculating initialization parameters.
    Type: Application
    Filed: March 22, 2006
    Publication date: October 11, 2007
    Inventor: Radu Alexandru
  • Publication number: 20070232906
    Abstract: An ultrasound system includes an ultrasound transducer having an array of elements and a beam origin located between two adjacent elements, each of the elements for converting received energy into an echo signal; and a beamformer that includes an initialization controller having initialization controller circuitry for calculating initialization parameters according to a process for calculating initialization parameters from a reduced table; at least one channel having a delay circuit and a delay controller; and a summer for summing phase-aligned signals to form a beamformed signal.
    Type: Application
    Filed: March 30, 2006
    Publication date: October 4, 2007
    Inventor: Radu Alexandru
  • Patent number: 6821251
    Abstract: A system for connecting an transducer matrix array to a beamformer via a multiplexer where the multiplexer includes a plurality of numbered switches, the array including a plurality of rows and columns where the rows include plural center rows the elements of which are uniquely associated with a numbered switch portion and a top row associated with first and second numbered switches offset by L in first and second differing directions with respect to one of the center row elements, and a bottom row associated with third and fourth numbered switches offset by L in first and second differing directions with respect to the one of the center row elements.
    Type: Grant
    Filed: December 18, 2002
    Date of Patent: November 23, 2004
    Assignee: Aloka Co., Ltd.
    Inventor: Radu Alexandru
  • Publication number: 20040122321
    Abstract: A system for connecting a transducer array to a multiplexer comprising a multiplexer comprising a plurality of numbered switches a transducer array comprising a plurality of elements arranged in a matrix each element associated with at least one of the numbered switches the matrix comprising a plurality of rows and columns the plurality of rows comprising, a plurality of center rows the elements comprising each of the plurality of center rows associated with a unique portion of the numbered switches wherein each of the center row elements is associated with one of the unique portion the numbered switches, a top row the elements comprising the top row associated with a first and second numbered switch the first numbered switch equal to the numbered switch associated with one of the plurality of center rows elements offset in a first direction in relation to the top row element by an offset of L and the second numbered switch equal to the numbered switch associated with one of the plurality of center rows eleme
    Type: Application
    Filed: December 18, 2002
    Publication date: June 24, 2004
    Inventor: Radu Alexandru
  • Patent number: D575087
    Type: Grant
    Filed: February 28, 2008
    Date of Patent: August 19, 2008
    Assignee: InterDesign, Inc.
    Inventor: Radu Alexandru Ghiorghie
  • Patent number: D576828
    Type: Grant
    Filed: February 28, 2008
    Date of Patent: September 16, 2008
    Assignee: InterDesign, Inc.
    Inventor: Radu Alexandru Ghiorghie
  • Patent number: D579700
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: November 4, 2008
    Assignee: InterDesign, Inc.
    Inventor: Radu Alexandru Ghiorghie
  • Patent number: D581193
    Type: Grant
    Filed: February 28, 2008
    Date of Patent: November 25, 2008
    Assignee: InterDesign, Inc.
    Inventor: Radu Alexandru Ghiorghie
  • Patent number: D583562
    Type: Grant
    Filed: March 31, 2008
    Date of Patent: December 30, 2008
    Assignee: InterDesign, Inc.
    Inventor: Radu Alexandru Ghiorghie
  • Patent number: D584056
    Type: Grant
    Filed: March 31, 2008
    Date of Patent: January 6, 2009
    Assignee: InterDesign, Inc.
    Inventor: Radu Alexandru Ghiorghie
  • Patent number: D588814
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: March 24, 2009
    Assignee: InterDesign, Inc.
    Inventor: Radu Alexandru Ghiorghie
  • Patent number: D588815
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: March 24, 2009
    Assignee: InterDesign, Inc.
    Inventor: Radu Alexandru Ghiorghie
  • Patent number: D599593
    Type: Grant
    Filed: February 23, 2009
    Date of Patent: September 8, 2009
    Assignee: InterDesign, Inc.
    Inventor: Radu Alexandru Ghiorghie
  • Patent number: D599596
    Type: Grant
    Filed: February 23, 2009
    Date of Patent: September 8, 2009
    Assignee: InterDesign, Inc.
    Inventor: Radu Alexandru Ghiorghie
  • Patent number: D599598
    Type: Grant
    Filed: February 23, 2009
    Date of Patent: September 8, 2009
    Assignee: InterDesign, Inc.
    Inventor: Radu Alexandru Ghiorghie
  • Patent number: D599599
    Type: Grant
    Filed: February 23, 2009
    Date of Patent: September 8, 2009
    Assignee: InterDesign, Inc.
    Inventor: Radu Alexandru Ghiorghie