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| Number | Title | Issue Date |
| 8116499 | Microphone adaptor for altering the geometry of a microphone without altering its frequency response characteristics A method of improving the “tight space” usefulness of a unidirectional microphone of the type having an otherwise screw-together headpiece and handle, includes the steps of: (a) fabricating an adapter having male- and female-threaded ends and a cavity of a speci... | 02/14/2012 |
| 7434305 | Method of manufacturing a microphone A silicon condenser microphone package is disclosed. The silicon condenser microphone package comprises a transducer unit, substrate, and a cover. The substrate includes an upper surface having a recess formed therein. The transducer unit is attached to the upper su... | 10/14/2008 |
| 7245726 | Noise canceling microphone system and method for designing the same A microphone housing improves the broadband noise canceling performance of an active noise canceling microphone system while also ensuring improved speech transmission through the system. First and second microphone elements are selected each having a diameter “d... | 07/17/2007 |
| 7219763 | Microphone assembly fitted to vehicle-mounted control module panel, that fits well A microphone assembly fitted to a panel of a vehicle-mounted control module, provided with a housing for housing a microphone and having an opening section on a surface facing the panel, and a holding case for holding the housing so as to be capable of pivoting, and... | 05/22/2007 |
| 7136499 | Surface-placed sound capturing microphone with rotatable cable connecting member The subject invention provides a surface-placed a surface sound capturing microphone with a rotatable cable connecting member to allow the output cable extracted position to be simply changed. A surface-placed sound capturing microphone of the subject invention incl... | 11/14/2006 |
| 7035420 | Microphone gasket with integrated acoustic resistance An acoustically resistive membrane is incorporated into a gasket construction for use with a microphone. Preferably, a molded thermoplastic gasket is provided with an integrated acoustically resistive element in the form of a thin perforated membrane that is molded ... | 04/25/2006 |
| 6978033 | Microphone gasket with integrated acoustic resistance An acoustically resistive membrane is incorporated into a gasket construction for use with a microphone. Preferably, a molded thermoplastic gasket is provided with an integrated acoustically resistive element in the form of a thin perforated membrane that is molded ... | 12/20/2005 |
| 6763118 | High directivity microphone array A microphone array for providing a focused field of optimum audio reception is disclosed. The array has a series of interconnected microphones spaced within a housing. At a midpoint of the spaced microphones is an illuminated polarized centering marker which gives t... | 07/13/2004 |
| 6744900 | Complex acoustic path and gasket for use with microphones A unitary gasket component is designed to provide a complex acoustic path for bringing sound to a microphone. The path includes a pre-plenum and apertures to allow external sound into the pre-plenum. The path further includes an acoustic filter communicating with th... | 06/01/2004 |
| 6700986 | Microphone characteristic adjustment device An acoustic mechanism is provided for a microphone, by which the transmission sensitivity-vs.-frequency characteristic of the microphone can be adjusted by an easy operation. Good communication quality can be thereby invariably secured for radio communica... | 03/02/2004 |
| 6597793 | Directional/omni-directional hearing aid microphone and housing The present invention includes a compact and economical construction of a microphone wherein the housing is preferably constructed of two identical halves that form a chamber in which the microphone is retained. The housing also includes first and second ... | 07/22/2003 |
| 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 |
| 6496588 | Directional dynamic microphone interchangeable to have unidirectional and superdirectional characteristics A directional dynamic microphone includes a protective cover, a diaphragm in air-tight engagement with the cover, a voice coil, and a magnet with a core pole member and a tubular pole member and disposed rearwardly of the diaphragm. The magnet has an oute... | 12/17/2002 |
| 6473514 | High directivity microphone array A microphone array for providing a focused field of optimum audio reception is disclosed. The array has a series of interconnected microphones spaced within a housing. At a midpoint of the spaced microphones is an illuminated polarized centering marker wh... | 10/29/2002 |
| 6418229 | Directional microphone, in particular having symmetrical directivity The present invention relates to a directional microphone, in particular having symmetrical directivity, having an interference tube with a tube axis which is provided with a row of sound inlets arranged at least approximately parallel to tube axis, and w... | 07/09/2002 |
| 5848172 | Directional microphone A monolithic second order gradient (SOG) microphone structure employs acoustic transmission lines wherein the acoustic phase delay along each of the acoustic transmission lines is in direct proportion to the length of each of the acoustic transmission lin... | 12/08/1998 |
| 5268965 | User selectable noise canceling for portable microphones Briefly, according to the invention, a noise-cancelling microphone apparatus 302 is disclosed. The microphone comprises a housing 510 and a sound transducer 502 mounted within the housing 510. The housing has first 514 and second sides 512 and the transdu... | 12/07/1993 |
| 4862507 | Microphone acoustical polar pattern converter A microphone acoustical polar pattern converter conveniently converts the acoustical polar pattern of a microphone from cardioid to supercardioid and back at will. The converter includes primarily a body of a tubular body portion fitted forward of the mic... | 08/29/1989 |
| 4412097 | Variable-directivity microphone device A variable directivity microphone device comprises a microphone unit assembly provided and arranged with at least three microphone units, wherein the three microphone units are mutually separated by predetermined distances, and front faces of a first and ... | 10/25/1983 |
| 4174469 | Adjustable directivity microphone incorporated in a tape recorder casing A microphone device used for a tape recorder comprises a microphone body and a casing for accommodating the microphone therein. The casing is provided with acoustic inlet holes at its front wall and its side wall. The acoustic inlet holes provided on its ... | 11/13/1979 |
| 4009355 | Reversible anti-noise microphone This microphone has two opposed faces. The sound to be picked up may be directed toward either one of the two opposed faces with equivalent electrical output from the microphone in either case. Since background noise impinges equally on both of the two op... | 02/22/1977 |
