Inventor: Viorel Drambarean

Address: Skokie, IL
No. of patents: 22
Last patent issue date: 05/22/2012

Number	Title	Issue Date
8184839	One-size-fits-most hearing aid A hearing-aid device comprising a housing and circuitry module, wherein the circuitry module comprises a battery, a microphone, and a receiver, and the circuit module is inserted in the hearing aid housing. The hearing aid device further comprises a retractable batt...	05/22/2012
8170250	One-size-fits-most hearing aid A hearing-aid device comprising a housing and circuitry module, wherein the circuitry module comprises a battery, a microphone, and a receiver, and the circuit module is inserted in the hearing aid housing. The hearing aid device further comprises a retractable batt...	05/01/2012
8107665	Insert earphone using a moving coil driver Certain embodiments of the invention may be found in an insert earphone assembly. The insert earphone assembly may comprise a housing and a transducer located in the housing. The transducer may be for converting electrical signals received into sound energy. The ins...	01/31/2012
8019386	Companion microphone system and method A method and system for enhancing speech intelligibility using wireless communication in portable, battery-powered and entirely user-supportable devices. The devices may be talker devices and receiver devices, where the audio signals input into the talker devices ma...	09/13/2011
7991179	High fidelity noise-excluding earphones with ergonomically designed construction An insert high fidelity earphone is provided in which a hollow housing is connected to two tubes. A first tube is connected to the hollow housing on one side, and on the other side is inserted into an ear tip that ensures substantial sealing of the ear canal. A seco...	08/02/2011
7881486	Directional microphone assembly A microphone capsule for an in-the-ear hearing aid is disclosed. The capsule can include a top plate having first and second spaced openings defining front and rear sound inlets, and a directional microphone cartridge enclosing a diaphragm. The diaphragm is oriented...	02/01/2011
7832080	Directional microphone assembly A directional microphone assembly for a hearing aid, and methods of assembling a directional microphone, are provided. The hearing aid has one or more microphone cartridge(s), and first and second sound passages. Inlets to the sound passages, or the sound passages t...	11/16/2010
7551940	Two-way voice communication device having external acoustic noise reduction A two-way voice communication device which provides a high-level of acoustic noise reduction is disclosed. A resilient ear tip provides acoustic isolation and secures the earphone within the ear canal of the user. The ability to rotate the earphone within the ear ca...	06/23/2009
7522740	Multi-coil coupling system for hearing aid applications A hearing improvement device using a multi-coil coupling system and methods for operating such a device are disclosed. An embodiment of the present invention may use an array microphone to provide highly directional reception. The received audio signal may be filter...	04/21/2009
D589028	Low profile microphone tip assembly	03/24/2009
7286677	Directional microphone assembly A directional microphone assembly for a hearing aid is disclosed. The hearing aid has one or more microphone cartridge(s), and first and second sound passages. Inlets to the sound passages, or the sound passages themselves, are spaced apart such that the shortest di...	10/23/2007
D550201	Earphone	09/04/2007
D550200	Earphone	09/04/2007
7245728	Microphone for hearing aid and communications applications having switchable polar and frequency response characteristics A microphone assembly generally for hearing aid and communications applications is disclosed. The microphone assembly operates in both directional and non-directional or omni-directional modes. The microphone assembly has front and rear sound inlet tubes, and an act...	07/17/2007
D542773	High fidelity noise excluding earphones with ergonomically designed construction	05/15/2007
D535644	High-fidelity noise-excluding earphones with ergonomically designed construction	01/23/2007
7162041	Noise canceling microphone with acoustically tuned ports Certain embodiments of a noise canceling microphone with acoustically tuned ports are disclosed herein. In one aspect of the invention, the noise canceling microphone may comprise a housing, a transducer for converting received energy received into electrical signal...	01/09/2007
D533869	Microphone tip assembly	12/19/2006
7099486	Multi-coil coupling system for hearing aid applications A hearing improvement device using a multi-coil coupling system and methods for operating such a device are disclosed. An embodiment of the present invention may use an array microphone to provide highly directional reception. The received audio signal may be filter...	08/29/2006
6876749	Microphone for hearing aid and communications applications having switchable polar and frequency response characteristics A microphone assembly generally for hearing aid and communications applications is disclosed. The microphone assembly operates in both directional and non-directional or omni-directional modes. The microphone assembly has front and rear sound inlet tubes, and an act...	04/05/2005
6798890	Directional microphone assembly A directional microphone assembly for a hearing aid is disclosed. The hearing aid has one or more microphone cartridge(s), and first and second sound passages. Inlets to the sound passages, or the sound passages themselves, are spaced apart such that the shortest di...	09/28/2004
6560344	Miniature surface mounted directional microphone assembly The present invention relates to a motor vehicle mounted directional microphone assembly for use in hands-free cellular telecommunications. The microphone assembly is comprised of a case and a removable directional microphone module. The case is adapted t...	05/06/2003

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Inventor: Viorel Drambarean