Patents Assigned to Knowles Electronics, LLC
  • Publication number: 20130315436
    Abstract: An armature apparatus includes a first tine member, a second tine member, a center tine member, and a connecting portion. The connecting portion is coupled to the first tine member, the second tine member, and the connecting portion, and the connecting portion has a line of symmetry. The center tine member is attached to the connecting portion along the line of symmetry such that approximately one half the area of the connection portion is above the center tine member and approximately one half the area of the connection portion is below the center tine member. The attachment is effective to prevent a formation of a horizontal force in the center tine member along the third length when a vertical force is applied to the center tine member in the direction of third thickness.
    Type: Application
    Filed: July 22, 2013
    Publication date: November 28, 2013
    Applicant: Knowles Electronics, LLC
    Inventors: Thomas E. Miller, Clifford Ryan Grounds, Henry Nepomuceno, David E. Schafer, George Patterson
  • Patent number: 8594347
    Abstract: A microphone is provided. The microphone has a housing; an acoustic port located in the housing; a substrate coupled with the housing; an integrated circuit positioned onto the substrate; and two or more MEMS transducers mounted on the substrate wherein the transducers are connected in parallel.
    Type: Grant
    Filed: April 26, 2012
    Date of Patent: November 26, 2013
    Assignee: Knowles Electronics LLC
    Inventors: William A. Ryan, Michael Abry, Peter V. Loeppert
  • Publication number: 20130284537
    Abstract: An apparatus includes a top assembly, a bottom assembly, and a diaphragm assembly. The bottom assembly is coupled to the top assembly to form an overall assembly. The diaphragm assembly includes a ring and a diaphragm flexible member that is attached to the ring. The ring forms an opening and at least one strengthening member is disposed at least partially across the opening. The at least one strengthening member is configured to provide strength and maintain a predetermined compliance of the diaphragm flexible member.
    Type: Application
    Filed: April 25, 2013
    Publication date: October 31, 2013
    Applicant: Knowles Electronics, LLC
    Inventors: Janice LoPresti, Steven Roy Kearey, Felix Matthew Naylor, James Collins
  • Patent number: 8532323
    Abstract: An acoustic system includes a receiver or microphone, a tube, a barrier, and an equalization device. The receiver is capable of outputting an audio signal. The tube is in connection with the receiver and the audio signal travels along a length of the tube. The barrier is fitted along the tube and the barrier prevents moisture from passing along the tube toward the receiver. The barrier causes an amount of damping to the audio signal. The equalization device is in connection with the receiver and the equalization device counteracts the damping by the barrier. The barrier is configured to have a submersion rating greater than or equal to 7 IP.
    Type: Grant
    Filed: January 19, 2011
    Date of Patent: September 10, 2013
    Assignee: Knowles Electronics, LLC
    Inventors: Timothy K. Wickstrom, William J. Ballad, Mei-Yu Lin, Ying-Tzu Chan, Jen Nan Feng
  • Publication number: 20130195292
    Abstract: An acoustic apparatus includes a first acoustic element, a second acoustic element, and a registration portion. The first acoustic element and the second acoustic element are elements such as a coil, a reed, or a yoke. The registration portion is configured to register the first acoustic element with respect to the second acoustic element such that an exact and relative alignment and positioning between the first acoustic element and second acoustic element is provided and ensured.
    Type: Application
    Filed: December 12, 2012
    Publication date: August 1, 2013
    Applicant: KNOWLES ELECTRONICS, LLC
    Inventor: Knowles Electronics, LLC
  • Publication number: 20130193533
    Abstract: A Microelectromechanical System (MEMS) microphone includes a printed circuit board, a MEMS die, and an integrated circuit. The MEMS die is disposed on a top surface of the printed circuit board. The integrated circuit is disposed at least partially within the printed circuit board and produces at least one output signal. The output signals of the integrated circuit are routed directly into at least one conductor to access pads at the printed circuit board and the access pads are disposed on a bottom surface of the printed circuit board that is opposite the top surface.
    Type: Application
    Filed: January 31, 2013
    Publication date: August 1, 2013
    Applicant: Knowles Electronics, LLC
    Inventor: Knowles Electronics, LLC
  • Patent number: 8494209
    Abstract: An armature apparatus includes a first tine member, a second tine member, a center tine member, and a connecting portion. The first tine member has a first length and a first width and these define a first surface. The second tine member has a second length and a second width and these define a second surface. The first surface generally faces the second surface and the first surface is generally parallel relation to the second surface. The center tine member has a third length and the third length is generally parallel to the first length and the second length. The connecting portion couples the center tine member to the first surface along the first length and to the second surface along the second length. The center tine member is generally disposed in a plane extending between the first tine member and the second tine member and the plane divides the first surface of the first tine member and the second surface of the second tine member.
    Type: Grant
    Filed: May 11, 2010
    Date of Patent: July 23, 2013
    Assignee: Knowles Electronics, LLC
    Inventors: Thomas E. Miller, Clifford Ryan Grounds, Henry Nepomuceno, David E. Schafer, George Patterson
  • Publication number: 20130177192
    Abstract: A microphone module includes an outer housing and a microphone apparatus. The outer housing includes port that extends through the outer housing. The microphone apparatus is disposed in the outer housing and defines an extended back volume with the outer housing. The microphone apparatus includes a microphone apparatus housing, an acoustic sensing element, a front volume, and a back volume. The acoustic sensing element is disposed within the microphone apparatus housing. An opening in the microphone apparatus housing allows the extended back volume to communicate with the back volume.
    Type: Application
    Filed: October 23, 2012
    Publication date: July 11, 2013
    Applicant: KNOWLES ELECTRONICS, LLC
    Inventor: KNOWLES ELECTRONICS, LLC
  • Publication number: 20130160547
    Abstract: An acoustic sensor includes a back plate; at least one back plate electrode coupled to the back plate; a proof of mass with the proof of mass elastically coupled to the back plate; and a proof of mass electrode coupled to the proof of mass. Movement of the sensor causes a capacitance between the proof of mass electrode and the at least one back plate electrode to vary and the capacitance represents a magnitude of the movement of the sensor.
    Type: Application
    Filed: December 5, 2012
    Publication date: June 27, 2013
    Applicant: KNOWLES ELECTRONICS, LLC
    Inventor: KNOWLES ELECTRONICS, LLC
  • Publication number: 20130142358
    Abstract: The directivity pattern of a MEMS microphone is adjusted. An indication of a position of a MEMS microphone is received and the microphone includes at least one diaphragm. An adjustment to the position of the MEMS microphone is determined. Based upon the adjustment, a position of the at least one diaphragm is adjusted. The adjusting is effective to alter a directivity pattern of the microphone.
    Type: Application
    Filed: December 5, 2012
    Publication date: June 6, 2013
    Applicant: Knowles Electronics, LLC
    Inventor: Knowles Electronics, LLC
  • Patent number: 8457332
    Abstract: A microphone and orientation sensor system includes a microphone and an orientation sensor. The microphone has a diaphragm. The orientation sensor includes an inertial load member having a first end and a second end opposite the first end. The sensor also includes at least one electrode positioned adjacent to the inertial load member. The sensor further includes a beam. The inertial load member pivots about the beam, and the pivoting of the load member causes a change in a distance between the first end and the electrode resulting in a change in capacitance between the first end and the electrode. The diaphragm and electrode are formed from a common layer of material.
    Type: Grant
    Filed: January 6, 2010
    Date of Patent: June 4, 2013
    Assignee: Knowles Electronics, LLC
    Inventors: Peter Loeppert, Peter Smith, Eric Lautenschlager
  • Patent number: 8450817
    Abstract: A strain absorption bridge for use in a MEMS package includes a first substrate that is configured to be attachable to a circuit board. A first elastically deformable element is coupled to the first substrate and the first elastically deformable element is configured to be attachable to a MEMS device. Alternatively, the MEMS device may be attached to the first substrate. The elastically deformable element at least partially absorbs and dissipates mechanical strain communicated from the circuit board before the mechanical strain can reach the MEMS device.
    Type: Grant
    Filed: August 14, 2008
    Date of Patent: May 28, 2013
    Assignee: Knowles Electronics LLC
    Inventor: Anthony Minervini
  • Publication number: 20130075836
    Abstract: A micro-electromechanical system (MEMS) device includes a housing and a base. The base includes a port opening extending therethrough and the port opening communicates with the external environment. The MEMS die is disposed on the base and over the opening. The MEMS die includes a diaphragm and a back plate and the MEMS die, the base, and the housing form a back volume. At least one vent extends through the MEMS die and not through the diaphragm. The at least one vent communicates with the back volume and the port opening and is configured to allow venting between the back volume and the external environment.
    Type: Application
    Filed: September 20, 2012
    Publication date: March 28, 2013
    Applicant: KNOWLES ELECTRONICS, LLC
    Inventor: KNOWLES ELECTRONICS, LLC
  • Patent number: 8401209
    Abstract: A microphone includes a housing; a back volume within the housing; a diaphragm within the housing; a backplate attached to the housing; and a diaphragm ring connected to the diaphragm. The diaphragm ring has a body defined by an outer perimeter and at least a first inner perimeter and a second inner perimeter adjacent the first inner perimeter. The first inner perimeter is adjacent to a top surface of the diaphragm ring. The second inner perimeter is adjacent to the bottom surface of the diaphragm ring. The second inner perimeter is smaller than the first inner perimeter.
    Type: Grant
    Filed: April 22, 2010
    Date of Patent: March 19, 2013
    Assignee: Knowles Electronics, LLC
    Inventor: John Beard
  • Patent number: 8401215
    Abstract: A receiver is provided having a balanced armature motor mechanically interconnected to a displaceable diaphragm component. A front volume changes as the displaceable diaphragm component moves. The front volume is connected to a port. A rear volume changes oppositely to the front volume as the displaceable diaphragm moves. An acoustic channel connects to the port and is also connected to a sound outlet. The sound outlet allows acoustic energy to exit from the acoustic channel. A first acoustic pressure is generated in the front volume as the balanced armature motor moves the diaphragm. The acoustic channel and the internal volume are divided by a common wall section, wherein the common wall section is defined by at least one of the walls of the housing which also provides a portion of at least one wall for the acoustic channel.
    Type: Grant
    Filed: April 1, 2010
    Date of Patent: March 19, 2013
    Assignee: Knowles Electronics, LLC
    Inventors: Daniel Max Warren, Thomas J. Jalava, Brad Olson, Michael J. Abry, Earl E. Houcek, Mark F. Halla, Charles B. King
  • Patent number: 8358004
    Abstract: The present invention relates to a surface mount package for a silicon condenser microphone. The inventive package uses a limited number of components which simplifies manufacturing and lowers costs, and features a substrate which performs functions for which multiple components were traditionally required, including providing an interior surface on which the silicon condenser die is mechanically attached, providing an interior surface for making electrical connections between the die and the package, and providing an exterior surface for making electrical connections between package and a user's printed circuit board.
    Type: Grant
    Filed: November 1, 2011
    Date of Patent: January 22, 2013
    Assignee: Knowles Electronics LLC
    Inventor: Anthony D Minervini
  • Patent number: 8229140
    Abstract: A miniature electret microphone includes a housing, a back plate/diaphragm assembly, an integrated circuit and a filter circuit. The housing for the microphone includes a sound inlet port. The back plate/diaphragm assembly is disposed within the housing and the assembly has an output responsive to sound pressure incident on the diaphragm. The integrated circuit includes a floating ground substrate and a p-n junction disposed within the housing coupled to the output. The filter circuit is formed within the integrated circuit, the filter circuit including a capacitor formed by the p-n junction.
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: July 24, 2012
    Assignee: Knowles Electronics, LLC
    Inventor: Michael Jennings
  • Patent number: 8170244
    Abstract: A microphone is provided. The microphone has a housing; an acoustic port located in the housing; a substrate coupled with the housing; an integrated circuit positioned onto the substrate; and two or more MEMS transducers mounted on the substrate wherein the transducers are connected in parallel.
    Type: Grant
    Filed: October 12, 2009
    Date of Patent: May 1, 2012
    Assignee: Knowles Electronics, LLC
    Inventors: William A. Ryan, Michael Abry, Peter V. Loeppert
  • Patent number: 8144898
    Abstract: A microphone (100) and method of manufacture thereof is disclosed. The microphone (100) includes a housing (108), a diaphragm assembly (120), a spacer (134), a backplate assembly (140), a body assembly (150), and a printed circuit board (164) disposed within the housing (100). The diaphragm assembly (120) and the backplate assembly (140) constitute a variable capacitor responsive to sound pressure level changes coupled through an acoustic port (118). The base capacitance is inversely proportional to the thickness of the spacer (134). The backplate assembly (140) is disk shaped with protrusions and coupled to the body assembly (150) such that an acoustic passage (172) is formed between an outer edge of the backplate assembly (140) and an inner periphery of the hollow body assembly (150). The body assembly (150) comprises conductive mount (158) for electrically coupling the backplate assembly (140) to a first surface (166) of a circuit board (164).
    Type: Grant
    Filed: July 25, 2007
    Date of Patent: March 27, 2012
    Assignee: Knowles Electronics, LLC
    Inventor: Jen Nan Feng
  • Patent number: 8123547
    Abstract: A connector assembly includes a plug and a socket. The plug includes at least one conductive pin, at least one first electrical conductor coupled to the at least one conductive pin, and a base portion and a column portion. The column portion extends from the base portion and defines at least one slot along a length of the column portion. The column portion is constructed of a compliant material and includes at least one opening that extends through the base portion. The openings and slots are aligned such that the at least one conductive pin extends through the at least one opening and is received in the at least one slot. The socket has an inner surface and includes at least one second electrical conductor that extends through the socket, and holds the plug. When the plug is received by the socket, an interference fit is formed and maintained as between the second electrical conductor and the conductive pin. The base portion of the plug and the inner surface of the socket are engaged to create a seal.
    Type: Grant
    Filed: December 16, 2010
    Date of Patent: February 28, 2012
    Assignee: Knowles Electronics, LLC
    Inventors: Scott Loren Miller, Randy Sanecki, Matthew David Manley, Joseph J. Heidenreich