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A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.
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| Number | Title | Issue Date |
| 8175321 | Speaker motor and speaker A diaphragm for a speaker includes two portions. The first portion is made of metallic material for producing a high frequency tone. The second portion is made of a non-metallic material for producing a low frequency tone. The first portion is joined at a first peri... | 05/08/2012 |
| 8144918 | Diaphragm for planar speaker and planar speaker A diaphragm for a planar speaker and a planar speaker having a long-term stability and a high reliability and exhibiting a flat sound pressure frequency property. The diaphragm for a planar speaker includes a voice coil formed by winding a wire conductor, two adhesi... | 03/27/2012 |
| 8135164 | Speaker A speaker of the present invention includes the following: a diaphragm that includes an inner periphery coupled to a voice coil, and a corrugation provided at the intermediate position between the inner periphery and an outer periphery; a speaker edge for supporting... | 03/13/2012 |
| 8131006 | MEMS device with surface having a low roughness exponent A MEMS microphone has a backplate and a movable diaphragm that together form a variable capacitance. The backplate has a backplate surface and, in a corresponding manner, the diaphragm has a diaphragm surface that faces the backplate surface. At least one of the bac... | 03/06/2012 |
| 8111871 | Microphone with pressure relief A microphone has a movable diaphragm having a rest position, a stationary portion, and a set of springs movably coupling the diaphragm and the stationary portion. The diaphragm and stationary portion are spaced a first distance when the diaphragm is in the rest posi... | 02/07/2012 |
| 8107667 | Loudspeaker diaphragm and method for manufacturing a loudspeaker diaphragm A loudspeaker diaphragm includes a tapering edge region. Thus, it is possible to prevent or considerably reduce wave reflection and uncontrolled wave propagation caused thereby in a cheap and effective manner. ... | 01/31/2012 |
| 8090140 | Speaker and method of outputting acoustic sound A speaker has an acoustic diaphragm, and an actuator that is driven based on an acoustic signal. The actuator has a transmission portion that is directly or indirectly attached to the acoustic diaphragm and transmits a displacement output of the actuator to the acou... | 01/03/2012 |
| 8009858 | Loudspeaker A loudspeaker including a frame and a toroidal magnet that is affixed to the rear of the frame. The toroidal magnet has a central passageway that opens into the frame. A cap is affixed to the rear of the magnet and closes the central passageway. A guide rod is affix... | 08/30/2011 |
| 7945069 | Loudspeaker plastic cone body A loudspeaker cone body made of plastic includes a base carrier material and a filler material. The base carrier material is selected to optimize overall flow, weight and stiffness. The filler material may be a nanomaterial that provides for adjustment of process an... | 05/17/2011 |
| 7899204 | Speaker A speaker is disclosed in which a split resonance of a diaphragm main body and a natural resonance of an edge are controlled, achieving a high sound quality while realizing a weight reduction. A diaphragm is composed of a diaphragm main body and an edge. An outer pe... | 03/01/2011 |
| 7876924 | Robust diaphragm for an acoustic device A rigid, flat plate diaphragm for an acoustic device is illustrated. The internal supporting structure of the diaphragm provides a combination of torsional and translational stiffeners, which resemble a number of crossbars. These stiffeners brace and support the dia... | 01/25/2011 |
| 7860265 | Diaphragm for full range boxless rotary loudspeaker driver The design of a diaphragm for a rotary loudspeaker driver that eliminates phase cancellation and therefore eliminates the necessity of a box to acoustically isolate the front sound from the back. The key element of the design of the diaphragm is to use a cross secti... | 12/28/2010 |
| 7860264 | Acoustic assembly for a transducer An acoustic assembly for use in a transducer includes a multi-layer structure. A first layer member includes a first center portion, a first edge portion and a first aperture separating the first center portion and the first edge portion. A second layer member inclu... | 12/28/2010 |
| 7835538 | Loudspeaker The loudspeaker includes a dome diaphragm that is made of a base material impregnated in a thermosetting resin; a cone diaphragm whose outer circumference side end portion is coupled with an outer circumference end portion of the dome diaphragm; and a voice coil hav... | 11/16/2010 |
| 7822222 | Loudspeaker and method of manufacturing the same A loudspeaker is provided, which has a configuration in which suspension holder extending in a cylindrical shape widening downward is provided on the rear surface of diaphragm so as to be integrated with diaphragm, and the periphery of suspension holder is coupled t... | 10/26/2010 |
| 7756287 | Speaker vibrating parts A speaker vibrating part has a diaphragm body 10A and an approximately cylinder-shaped coupling portion 10B for coupling the diaphragm body 10A to a voice coil bobbin. Protruded strips 10Ba extend out from the inner periphery of the coupl... | 07/13/2010 |
| 7706564 | Diaphragm and speaker A diaphragm (400) of a speaker (100) includes a vibrating member having a substantially thin-plate shape and a base material disposed substantially at the center in a width direction of the vibrating member. The base material is formed by a woof group,... | 04/27/2010 |
| 7676054 | Contoured passive radiator and loudspeaker incorporating same A passive radiator has an arcuate contour that follows the contour of a surface where the passive radiator can be mounted. The component may be for example a television set, audio component, high fidelity loudspeaker, home theatre loudspeaker, or subwoofer. The arcu... | 03/09/2010 |
| 7672472 | Audio transducer An audio transducer for use in a loudspeaker system. The transducer includes a rigid base, a pair of flexible, curved diaphragms and each diaphragm having a distal end and a proximal end. The curved diaphragms form hemi-cylindrical lobes being substantially tangent ... | 03/02/2010 |
| 7634102 | Speaker and device using the same A loudspeaker includes a magnetic circuit having a magnetic gap, a frame coupled to the magnetic circuit, a voice coil having a first end positioned in the magnetic gap and a second end opposite to the first end, and a diaphragm coupled to the second end of the voic... | 12/15/2009 |
| 7627133 | Diaphragm and loudspeaker using same A diaphragm has a through-hole for fixing a voice coil at its center part, and has a fixing part of an edge at its outer periphery which is substantially circular. The shape of the outer periphery of diaphragm is formed as follows: a first circle and a second circle... | 12/01/2009 |
| 7599511 | Loudspeaker with undulated membrane A loudspeaker provided with a frame (101), a membrane (103) and a drive unit (105). The membrane has an outer circumferential edge (104a) suspended from the frame and an inner circumferential edge (104b). The drive un... | 10/06/2009 |
| 7570780 | Loudspeaker having a composite diaphragm structure A shallow loudspeaker provided with a chassis (2), a movable body (4), a resilient suspension for guiding the movable body with respect to the chassis along a translation axis (T), and an electric actuator (6) for driving the movable body along ... | 08/04/2009 |
| 7539324 | Loudspeaker diaphragm systems A loudspeaker diaphragm includes a continuous coating on at least one surface of the diaphragm. The continuous coating may be non-uniform and may taper from a maximum in value in a conical region of the diaphragm to a minimum value in a cylindrical region of the dia... | 05/26/2009 |
| 7483545 | Acoustic diaphragm An acoustic diaphragm is disclosed having a plurality of acoustic elements supported by the diaphragm. In a preferred form, each element is coupled to a driver and extends radially at a uniform acute angle to a normal of the driver. In the preferred embodiment, a pl... | 01/27/2009 |
| 7454032 | Magnesium diaphragm, method of manufacturing the same, and speaker apparatus A substrate (580) made by a thin magnesium plate having a thickness of at most 60 μm and bent in a predetermined shape is subjected to anodic oxidation using an alkali-mixture aqueous solution containing metallic salt with a pH 12 or more so that porous anod... | 11/18/2008 |
| 7443996 | Loudspeaker A high efficiency loudspeaker without a damper is provided. The loudspeaker includes magnetic circuit having a magnetic gap and a voice coil member, which has movable coil, disposed in the magnetic gap of the magnetic circuit. The loudspeaker also includes a diaphra... | 10/28/2008 |
| 7443998 | Speaker diaphragm and manufacturing method thereof A speaker diaphragm which has a high rigidity and can improve sound transmission speed for better sound quality is provided. The speaker diaphragm contains fibers of 3 to 50 mm length mixed in matrix resin. The fibers are oriented radially from center to periphery i... | 10/28/2008 |
| 7438156 | Diaphragm, spherical-shell diaphragm and electroacoustic transducer, and method of manufacturing electroacoustic transducer A diaphragm in one mode of the present invention comprises an outer shape section having a circle with one diameter, or a shape of a polygon to be inscribed in a circle with the one diameter; an inner shape section protruding in one direction with regard to a plane ... | 10/21/2008 |
| 7433485 | Shallow speaker A novel shallow speaker has a novel spidercone coaxial with and optionally having a radially inner spidercone flange suspended in a circumferential adhesive well affixed to the former. An inner rearward flange of the flat annular diaphragm is suspended in the circum... | 10/07/2008 |
| 7428946 | Suspension and electro-acoustic transducer using the suspension A suspension with a plurality of roll sections each of which has a semi-cylindrical shape from a cross-section view. The roll sections are disposed side by side based on a straight line connecting two points on an inner periphery or an outer periphery. The roll sect... | 09/30/2008 |
| 7416047 | Diaphragm for a loudspeaker with a moving coil A preferably elongated loudspeaker (LS), which preferably comprises a cylindrical moving coil (SP) and an elongated diaphragm (M) with an elongated fastening part (B) and an annular retaining part (H) lying within the fastening part (B), and with corrugations (S1... | 08/26/2008 |
| 7418109 | Diaphragm structure of light sound converter A diaphragm (1) of a light sound converter which has a high performance, is suitable for mass-production and has a slit (1s) formed therein. A light emitting element and a light receiving element are disposed at positions opposed to a reflective... | 08/26/2008 |
| 7391879 | Loudspeaker An inventive loudspeaker includes a diaphragm, a first excitation means for generating structure-borne sound in the diaphragm, and a second excitation means, different from the first one, for setting the diaphragm into a longitudinal vibrational motion in a directio... | 06/24/2008 |
| 7388964 | Loudspeaker, and module and electronic apparatus using the loudspeaker A loudspeaker is provided that satisfies requirements for both a small size and a high sound pressure. In addition, the heat capacity of the magnetic circuit and the heat dissipation of the voice coil are improved in this loudspeaker. Using at least two pieces of ba... | 06/17/2008 |
| 7386145 | Loudspeaker system, method and apparatus of manufacturing the same A liquefied paper material is used as raw materials. A paper frame member 1 supporting a vibrating plate is paper-skimmed and formed. On paper-skimming and forming, a central hole for use in voice coils, air-release hole 1a releasing air pressur... | 06/10/2008 |
| 7369674 | Acoustic apparatus An acoustic apparatus comprising a yoke, a main speaker mechanism disposed on a first surface of the yoke, and a sub speaker mechanism disposed on a second surface of the yoke opposite to the first surface and adjacent to the main speaker mechanism, the main speaker... | 05/06/2008 |
| 7360499 | Helmholtz resonator type marine signal A power efficient, acoustical Helmholtz resonator foghorn including a plurality of electrical emitters, some of which are redundant, arrayed at one end of a blocked tube with a plurality of exhaust ports located therein surrounded by a standoff tubular member. The f... | 04/22/2008 |
| 7360626 | Audio speaker with wobble free voice coil movement A speaker that is designed to substantially eliminate wobble of the voice coil during operation, and thus remove that source of distortion and early failure of the speaker. This is accomplished with the creation of triangular ring that extends upward from the top ed... | 04/22/2008 |
| 7357218 | Frame for speaker device and speaker device A speaker device includes a magnetic circuit system and a vibration system including a frame. The frame has a magnetic circuit housing unit housing the magnetic circuit, an outer peripheral portion arranged on an outer side thereof and having an annular shape, and p... | 04/15/2008 |
