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An extension member is attachable to a trailer hitch and extends away from the vehicle and is connected to a seating frame supporting a toilet seat.
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| Number | Title | Issue Date |
| 8447056 | Dynamic microphone A dynamic microphone includes a vibration pickup that detects vibration of a dynamic microphone unit, and outputs a signal for cancelling vibration noise; and a microphone case that supports the microphone unit and the vibration pickup, wherein the vibration pickup ... | 05/21/2013 |
| 8437490 | Ceiling microphone assembly A video teleconferencing directional microphone has two surfaces joined with an angle of 90° relative to each other, a first omni directional microphone element arranged adjacent to the intersection between the two surfaces. The ceiling microphone assembly also inc... | 05/07/2013 |
| 8422715 | Microphone unit A microphone unit comprises a vibratory diaphragm for detecting sound input through its first and second openings. The sound input through the first opening is guided to a front surface of the vibratory diaphragm while the sound input through the second opening is g... | 04/16/2013 |
| 8369555 | Piezoelectric microphones Electronic devices and microphone devices are described. ... | 02/05/2013 |
| 8325960 | Narrow directional microphone There is provided a narrow directional microphone in which the acoustic resistance of an acoustic tube scarcely varies, and a larger-diameter condenser microphone unit can be used without increasing the external dimensions. In the narrow directional microphone in wh... | 12/04/2012 |
| 8325959 | Microphone apparatus with increased directivity A microphone assembly includes a housing including at least one first tube in communication with at least one first cavity, at least one second tube in communication with at least one second cavity, one third tube in communication with at least one third cavity, and... | 12/04/2012 |
| 8184843 | Method and apparatus for sound source localization using microphones A method and apparatus for sound source localization using microphones are disclosed. The method includes: receiving signals coming from a sound source through microphones covering all directions; distinguishing the received signals into those signals directly input... | 05/22/2012 |
| 8111856 | Variable directional microphone unit and variable directional microphone A variable directional microphone unit includes two capacitor elements. Each of the two capacitor elements has: a back plate formed on one side of an insulating plate to be insulated from a back plate of the other capacitor element; and a vibrating plate disposed to... | 02/07/2012 |
| 8041065 | Microphone The acoustic resistance inside the microphone of the present invention can be adjusted mechanically by a simple electrical operation from the outside, and thereby directivity can be changed easily without adversely affecting the acoustic characteristic, even if the ... | 10/18/2011 |
| 7953241 | Microphone assembly A microphone assembly for mounting in an electronic communication device, and wherein the microphone assembly comprises one or more sound inlet port(s) with channels (7), and one or more microphone(s) inside a housing (1). One or more controlling means... | 05/31/2011 |
| 7848535 | Narrow directional microphone There is provided a narrow directional microphone which houses a plurality of microphone units of a first-order pressure gradient type (condenser microphone) while achieving reduced weight and compact shape at the same time. The narrow directional microphone include... | 12/07/2010 |
| 7813519 | Microphone apparatus with increased directivity A microphone assembly includes a housing including at least one first tube in communication with at least one first cavity, at least one second tube in communication with at least one second cavity, one third tube in communication with at least one third cavity, and... | 10/12/2010 |
| 7747033 | Acoustic tube and directional microphone An acoustic tube that can be manufactured simply and can also be reduced in size easily is obtained. By using the acoustic tube, a directional microphone which has a simple structure and can be reduced in size easily is obtained. In an integrally molded acoustic tub... | 06/29/2010 |
| 7676052 | Differential microphone assembly A differential microphone assembly with multiple membranes in a single package and oriented in mutually exclusive directions. ... | 03/09/2010 |
| 7627132 | Wind noise reduction for microphone The present invention relates to wind noise reduction for a microphone (10) achieved by locating a microphone pick up (2) in a chamber (4) provided with at least one sound passage (5), wherein one or more elements (s) (6) is/are pr... | 12/01/2009 |
| 7623671 | Narrow directional microphone A narrow directional microphone includes an acoustic tube made of a resin film having thousands of minute holes, and a microphone unit attached in a rear end of the acoustic tube. The acoustic tube is made of a resin film having thousands of minute holes and curled ... | 11/24/2009 |
| 7609843 | Sound collector The present invention provides a sound collector preferably applicable to an acoustic analysis with a high degree of accuracy and includes a sound collection hood having an opening at the front end and a sound reflective inner wall shaped like a rotating surface hav... | 10/27/2009 |
| 7433482 | Microphone in a cylindrical housing having elliptical end faces The device is now a squarely-truncated horizontal cylinder capped at each end by a circular disc central to which is placed a transducer. With amplification the device yields the sound spectrum which can be heard in consciousness. The cylinder is extended just suffi... | 10/07/2008 |
| 7400737 | Miniature condenser microphone and fabrication method therefor An acoustic pressure type sensor fabricated on a supporting substrate is disclosed. The acoustic sensor is fabricated by depositing and etching a number of thin films on the supporting substrate and by machining the supporting substrate. The resulting structure cont... | 07/15/2008 |
| 7366308 | Sound pickup device, specially for a voice station The invention relates to a sound recording device for a public address system. Sound is emitted from a sound source, picked up by at least two sound sensors and converted into electrical signals. The sound sensors are located at a distance from a reference position ... | 04/29/2008 |
| 7366310 | Microphone array diffracting structure The present invention increases the aperture size of a microphone array by introducing a diffracting structure into the interior of a microphone array. The diffracting structure within the array modifies both the amplitude and phase of the acoustic signal reaching t... | 04/29/2008 |
| 7355720 | Optical displacement sensor An optical displacement sensor is disclosed which uses a vertical-cavity surface-emitting laser (VCSEL) coupled to an optical cavity formed by a moveable membrane and an output mirror of the VCSEL. This arrangement renders the lasing characteristics of the VCSEL sen... | 04/08/2008 |
| 7340062 | Sound reproduction method and apparatus for assessing real-world performance of hearing and hearing aids A sound recording and reproduction system for testing hearing and hearing aids is disclosed. Recordings of sound are made in a real word acoustic environment, for example, which are stored as audio signals. In a testing environment, a plurality of loudspeakers is lo... | 03/04/2008 |
| 7327852 | Method and device for separating acoustic signals In a method of separating acoustic signals from a plurality of sound sources comprising the following steps: disposing two microphones (MIK1, MIK2) at a predefined distance (d) from one another; picking up the acoustic signals with both microphones (MI... | 02/05/2008 |
| 7316290 | Acoustic lens system A loudspeaker includes a frame, a magnet coupled to the frame and a diaphragm secured to the frame. An acoustic lens may be positioned in front of the diaphragm. An aperture extends through the acoustic lens. The acoustical directivity pattern of the loudspeaker may... | 01/08/2008 |
| 7260236 | Wind noise suppression in directional microphones A directional microphone includes a housing, a diaphragm dividing the housing into a front volume and a back volume, electronics for detecting signals corresponding to movements of the diaphragm, and front and back inlets for the front and back volumes, respectively... | 08/21/2007 |
| 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 “dâ... | 07/17/2007 |
| 7245733 | Hearing instrument microphone arrangement with improved sensitivity The invention is directed to a hearing instrument for positioning in the ear of a user, incorporating a faceplate having first and second spatially separated sound openings for receiving sound to be provided to respective inlets of a microphone; at least one screen ... | 07/17/2007 |
| 7245734 | Directional microphone A directional microphone system comprises two membranes that, on the one hand, are respectively acoustically connected via an air volume with one of two spatially separate sound entrance ports, and on the other hand are acoustically coupled with one another via a th... | 07/17/2007 |
| 7233679 | Microphone system for a communication device A microphone system (100) includes a MEMS microphone (102) and at least one audio port (110) accessing the rear volume portion (106) of the MEMS microphone providing directional functionality, preferably through a MEMS switch (112)... | 06/19/2007 |
| 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 |
| 7146014 | MEMS directional sensor system A MEMS directional sensor system capable of determining direction from a microphone to a sound source over a wide range of frequencies is disclosed. By utilizing a parallel filter bank that relies on a slow wave structure in a MEMS device, such as described herein, ... | 12/05/2006 |
| 7136494 | Vehicle accessory microphone assembly having a windscreen with hydrophobic properties A microphone assembly for a vehicle accessory includes one or more transducers positioned in a microphone housing. The microphone housing has at least one acoustic port to which the transducer is acoustically coupled. The microphone assembly further includes a winds... | 11/14/2006 |
| 7130431 | Vehicle accessory microphone A microphone assembly includes one or more transducers positioned in a housing. Circuitry is coupled to the transducer for outputting an electrical signal such that the microphone has a main lobe directed forwardly and attenuates signals originating from the sides a... | 10/31/2006 |
| 7126583 | Interactive vehicle display system An interactive display system for a vehicle including a heads up display system for projecting text and/or graphics into a field of view of a forward-facing occupant of the vehicle and an occupant-controllable device enabling the occupant to interact with the heads ... | 10/24/2006 |
| 7116792 | Directional microphone system A second-order microphone system is constructed of two null-less first-order microphone elements. The null-less first-order microphone elements prevent the degradations that occur in performance when a second-order microphone system is used at the side of a person's... | 10/03/2006 |
| 7110553 | Directional microphone assembly for mounting behind a surface A directional microphone assembly suitable for subsurface mounting. A directional pickup pattern is developed from the outputs of a plurality of omnidirectional microphone elements mounted in an assembly behind a surface such that their acoustic excitation comes fro... | 09/19/2006 |
| 7079663 | Microphone A microphone comprising a diaphragm which has a front diaphragm surface on which sound waves impinge and a rear diaphragm surface which is at least partially acoustically separated from the front diaphragm surface, and a sound inlet, through which sound waves can go... | 07/18/2006 |
| 7076072 | Systems and methods for interference-suppression with directional sensing patterns System (10) is disclosed including an acoustic sensor array (20) coupled to processor (42). System (10) processes inputs from array (20) to extract a desired acoustic signal through the suppression of interfering signals. The extra... | 07/11/2006 |
| 7072482 | Microphone with improved sound inlet port A microphone comprises a housing defining an inner volume and including a first exterior surface with an aperture leading to the inner volume. The microphone includes a transducing assembly within the housing for converting sound into an electrical signal. A sound i... | 07/04/2006 |
