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David Sarnoff, American radio pioneer ; 1921
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| Number | Title | Issue Date |
| 7688988 | Particular image area partitioning apparatus and method, and program for causing computer to perform particular image area partitioning processing It is detected whether or not a face image is included in an image represented by applied image data. When the face image is detected, an image area including the detected face image is cut out. A plurality of rectangular projection information creating windows are ... | 03/30/2010 |
| 7412763 | Method of making an acoustic assembly for a transducer A method of making an acoustic assembly for use in a transducer includes forming a multi-layer assembly. The multi-layer assembly includes a first layer member and a second layer member. Each member includes a center portion, an edge portion and an aperture separati... | 08/19/2008 |
| 7411649 | Method for manufacturing a crystal device A method of manufacturing a crystal device includes applying substantially simultaneously a first light that is absorbed by a crystal plate and excites an energy level of a substance constituting the crystal plate from a ground state to a first excited state, and a ... | 08/12/2008 |
| 7353585 | Method of poling ferroelectric materials A method of producing an actuator includes shaping a block of ferroelectric material to provide an active element of the actuator. The element includes a stack of ferroelectric layers with adjacent layers separated by electrodes arranged parallel to end faces of the... | 04/08/2008 |
| 7260234 | Space-saving antenna arrangement for hearing aid device An antenna coil is present in a hearing aid device to wirelessly transmit signals between a hearing aid device and a further device. Due to the required miniaturization of hearing aid devices, only minimal space is available for the arrangement of the antenna coil i... | 08/21/2007 |
| 7247976 | Piezoelectric vibrator A piezoelectric vibrator having excellent shock resistance and high reliability is offered. The centers of first and second piezoelectric vibrating plates are supported by pillars on a main surface of an enclosure and nearly or substantially parallel to the main sur... | 07/24/2007 |
| 7227967 | Piezoelectric transducer adapted to bridge of stringed instrument A piezoelectric transducer, adapted to a bridge of a stringed instrument such as a sound mute guitar, comprises a piezoelectric element roughly having an elongated rectangular shape, a pair of electrodes respectively attached to the upper and lower surfaces of the p... | 06/05/2007 |
| 7223366 | MEMS membrane based sensor A micro-electro-mechanical system (MEMS) device is described having a membrane which can be induced to resonate and the frequency of its resonance can be monitored. Chemical moieties can be attached to the membrane, and these moieties can be selected such that they ... | 05/29/2007 |
| 7221767 | Surface mountable transducer system The present invention relates to a surface mountable acoustic transducer system, comprising one or more transducers, a processing circuit electrically connected to the one or more transducers, and contact points arranged on an exterior surface part of the transducer... | 05/22/2007 |
| 7204009 | Manufacturing method of acoustic sensor The present invention relates to a semiconductor electret condenser microphone capable of being reduced in size and including an acoustic sensor 100 and a case 200 for accommodating the acoustic sensor 100, the acoustic sensor 100 has a s... | 04/17/2007 |
| 7202101 | Multi-metal layer MEMS structure and process for making the same The present invention is directed to a structure comprised of alternating layers of metal and sacrificial material built up using standard CMOS processing techniques, a process for building such a structure, a process for fabricating devices from such a structure, a... | 04/10/2007 |
| 7180225 | Piezoelectric vibrator A piezoelectric vibrator having excellent shock resistance and high reliability is offered. The centers of first and second piezoelectric vibrating plates are supported by pillars on a main surface of an enclosure and nearly or substantially parallel to the main sur... | 02/20/2007 |
| 7181181 | Multi-band transceiver for a wireless communication system A local oscillation signal generator and a multi-band transceiver including the local oscillation signal generator are provided. The multi-band transceiver includes a fractional-N phased locked loop (PLL), a local oscillation signal generator, and a transmitter. The... | 02/20/2007 |
| 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 |
| 7130436 | Helmet with built-in speaker system and speaker system for helmet A speaker system is installed in a helmet, and includes a pair of piezoelectric speakers, frames supporting the speakers around the peripheral edges thereof, and laminated films for protecting the piezoelectric film speakers. Each of the frames has its longer sides ... | 10/31/2006 |
| 7109633 | Flexural plate wave sensor A flexural plate wave sensor including a flexural plate having a length and a width and a comb pattern over the flexural plate with drive teeth disposed across the entire length of the flexural plate to reduce the number of eigenmodes excited in the plate and thereb... | 09/19/2006 |
| 7092539 | MEMS based acoustic array Embodiments of the present invention described and shown in the specification and drawings include a combination responsive to an acoustic wave that can be utilized as a dynamic pressure sensor. In one embodiment of the present invention, the combination has a subst... | 08/15/2006 |
| 7080442 | Manufacturing method of acoustic sensor The present invention relates to a semiconductor electret condenser microphone capable of being reduced in size and including an acoustic sensor 100 and a case 200 for accommodating the acoustic sensor 100, the acoustic sensor 100 has a s... | 07/25/2006 |
| 7043035 | Miniature microphone A microphone for converting sound into an electrical signal includes a generally cylindrical housing including an inlet for receiving sound, an inner backplate, and an outer backplate. The inner and outer backplates are generally cylindrical and substantially concen... | 05/09/2006 |
| 7036605 | Power tools A detector is disclosed that detects impact sounds, e.g., a hammer striking an anvil or oil pulses from an oil unit. The detector may comprise a receiver that selectively converts sound within a narrow frequency range into electric signals. Preferably, the impact so... | 05/02/2006 |
| 7020295 | Piezoelectric electroacoustic transducer and manufacturing method of the same A piezoelectric electroacoustic transducer includes a substantially rectangular piezoelectric diaphragm having electrodes and flexurally vibrating in response to application of an alternating signal between the electrodes, a resin case having a supporting member dis... | 03/28/2006 |
| 7013017 | Microphone capsule support A microphone capsule support in which the microphone capsule is mounted elastically in a microphone housing using two annular diaphragms. The capsule is connected through the annular diaphragms to a bearing bushing and a cover is connected to the bearing bushing at ... | 03/14/2006 |
| 7003125 | Micromachined piezoelectric microspeaker and fabricating method thereof A micromachined piezoelectric microspeaker and its fabricating method are disclosed. The micromachined piezoelectric microspeaker comprises a diaphragm and a plurality of contact pads. The diaphragm comprises an active area which is flat, and a non-active area which... | 02/21/2006 |
| 6965680 | Piezoelectric electro-acoustic transducer A piezoelectric electro-acoustic transducer includes a piezoelectric vibration plate having a plurality of piezoelectric ceramic layers laminated to each other with an internal electrode being interposed between the ceramic layers, and main surface electrodes provid... | 11/15/2005 |
| 6963653 | High-order directional microphone diaphragm The invention features a miniature, second-order, microcrystalline silicon microphone diaphragm formed using silicon microfabrication techniques. The diaphragm is composed of two or more rigid diaphragm elements hinged to one another providing second- or higher-orde... | 11/08/2005 |
| 6951467 | Conductive rivet for circuit card The conductive rivet designed to connect the first and second conducting surfaces of circuit board through an aperture in the board. The rivet includes a conical member with an associated insulating washer associated on one side of circuit board. A T-shaped rivet an... | 10/04/2005 |
| 6944308 | Capacitive transducer A capacitive transducer, in particular a condenser microphone, with a ring-shaped member and a diaphragm secured to the ring-shaped member. A disc-shaped member is secured in the opening of the ring-shaped member and in parallel relationship to the diaphragm. The di... | 09/13/2005 |
| 6936524 | Ultrathin form factor MEMS microphones and microspeakers A process comprises reducing the thickness of a substrate carrying a plurality of devices, with at least certain of the devices having a micro-machined mesh. A carrier wafer is attached to the back side of the substrate and the fabrication of the devices is complete... | 08/30/2005 |
| 6937735 | Microphone for a listening device having a reduced humidity coefficient A microphone is constructed to be more tolerant to a wide range of relative humidity conditions without adversely affecting the performance of the microphone. The microphone includes a housing with a sound port for receiving sound and an electret assembly for conver... | 08/30/2005 |
| 6928720 | Method of manufacturing a surface acoustic wave device A surface acoustic wave device includes a piezoelectric substrate and at least one interdigital electrode disposed on the piezoelectric substrate. The interdigital electrode is made of α-tantalum. ... | 08/16/2005 |
| 6925880 | Apparatus and method for measuring the acoustic properties of a membranophone Apparatus and method of measuring acoustic properties of a drumhead of a drum are disclosed. The acoustic properties are measured by exciting the drumhead with a source of energy and detecting the acoustic energy emitted by the drumhead. The acoustic energy emitted ... | 08/09/2005 |
| 6914993 | Piezoelectric film loudspeaker A piezoelectric film loudspeaker comprising a diaphragm having a flexible piezoelectric film and electrodes formed on the both surfaces of the flexible piezoelectric film and a frame for supporting a side of the diaphragm, wherein said respective electrodes disposed... | 07/05/2005 |
| 6912288 | Piezoelectric electroacoustic transducer and manufacturing method of the same A piezoelectric electroacoustic transducer, including a plurality of piezoelectric layers deposited to define a deposited product, flexurally vibrates the deposited product by polarizing the entire piezoelectric ceramic layers in the same thickness direction and als... | 06/28/2005 |
| 6857501 | Method of forming parylene-diaphragm piezoelectric acoustic transducers A micromachined acoustic transducer comprising a parylene diaphragm piezoelectric transducer. The parylene diaphragm has far lower stiffness than the silicon nitride. The method for fabricating the parylene diaphragm acoustic transducer utilizes a prestructured disp... | 02/22/2005 |
| 6791519 | Sound and vision system A sound and vision system includes a display device (1) and an acoustic transducer, such as a loudspeaker or a microphone. The display device includes display cells (9) having opposite electrodes (7, 8) and includes a conductive line (11)... | 09/14/2004 |
| 6760455 | Electrostatic loudspeaker with a distributed filter An electrostatic loudspeaker includes a high resistivity stator with electrode conductivity per square that is constant and/or decreases with distance from the connection point. A contact area of predetermined size is related to the highest frequency of interest. Th... | 07/06/2004 |
| 6754358 | Method and apparatus for bone sensing The invention discloses an improved bone conduction sensor capable of use within a voice sound transmitting apparatus. The bone conduction sensor is adapted for placement in the external auditory canal of the user in a nonocclusive fashion. The bone conduction senso... | 06/22/2004 |
| 6693849 | Piezoelectric audio transducer A piezoelectric audio transducer suitable for underwater use comprises a piezoelectric ceramic plate within a housing having open front face and back faces exposing the front and back faces of the ceramic plate to ambient pressure. The ceramic plate can b... | 02/17/2004 |
| 6678383 | Capacitor microphone A capacitor microphone includes a case having an end wall defining an opening for a sound hole, a capacitor portion comprising a diaphragm, a back plate and a spacer, the diaphragm opposing to the back plate via the spacer, the capacitor portion being acc... | 01/13/2004 |
| 6658126 | Hearing aid compatible piezoelectric speaker A piezoelectric speaker is provided which provides a magnetic field to couple the speaker to a hearing aid coil. The magnetic field induces a current in the hearing aid coil as it appears as a time varying magnet field to the coil. The time varying magnet... | 12/02/2003 |
