Patents Assigned to Bohlender Graebener Corporation
  • Planar speaker driver
    Patent number: 8116512
    Abstract: A planar magnetic driver includes covering plates that are maintained under tension to form a buckled or curved surface, thereby providing for a larger magnetic gap, and allowing for a larger excursion of the diaphragm and extended lower frequency response. Another aspect of the driver includes a corrugated region along the periphery of the diaphragm, which provides increased internal dampening.
    Type: Grant
    Filed: September 13, 2007
    Date of Patent: February 14, 2012
    Assignee: Bohlender Graebener Corporation
    Inventor: Igor Levitsky
  • Planar speaker driver
    Patent number: 8031901
    Abstract: A planar magnetic driver includes covering plates that are maintained under tension to form a buckled or curved surface, thereby providing for a larger magnetic gap, and allowing for a larger excursion of the diaphragm and extended lower frequency response. Another aspect of the driver includes a corrugated region along the periphery of the diaphragm, which provides increased internal dampening.
    Type: Grant
    Filed: September 13, 2007
    Date of Patent: October 4, 2011
    Assignee: Bohlender Graebener Corporation
    Inventor: Igor Levitsky
  • Biplane line array speaker with arcuate tweeter array providing controlled directivity
    Patent number: 8027493
    Abstract: A biplane line array speaker includes a line array of tweeters mounted substantially directly in front of a line array of woofers. The tweeter line array is arcuately shaped to provide controlled vertical dispersion above and below the boundaries of the speaker cabinet. The woofers are displaced from the tweeters in stepped manner. The speaker cabinet is a rectangular box, allowing efficient wall mounting in single or multiple unit columns. In multiple unit columns, the individual units acoustically couple to each other.
    Type: Grant
    Filed: October 6, 2006
    Date of Patent: September 27, 2011
    Assignee: Bohlender Graebener Corporation
    Inventor: Igor Levitsky
  • Planar Speaker Driver
    Publication number: 20080069394
    Abstract: A planar magnetic driver includes covering plates that are maintained under tension to form a buckled or curved surface, thereby providing for a larger magnetic gap, and allowing for a larger excursion of the diaphragm and extended lower frequency response. Another aspect of the driver includes a corrugated region along the periphery of the diaphragm, which provides increased internal dampening.
    Type: Application
    Filed: September 13, 2007
    Publication date: March 20, 2008
    Applicant: BOHLENDER GRAEBENER CORPORATION
    Inventor: Igor Levitsky
  • Planar Speaker Driver
    Publication number: 20080069395
    Abstract: A planar magnetic driver includes covering plates that are maintained under tension to form a buckled or curved surface, thereby providing for a larger magnetic gap, and allowing for a larger excursion of the diaphragm and extended lower frequency response. Another aspect of the driver includes a corrugated region along the periphery of the diaphragm, which provides increased internal dampening.
    Type: Application
    Filed: September 13, 2007
    Publication date: March 20, 2008
    Applicant: BOHLENDER GRAEBENER CORPORATION
    Inventor: Igor Levitsky