Famous Patents
The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7953243 | Gasket and associated apparatus and methods The invention relates to a gasket, and in particular a gasket for acoustically sealing an audio component inside an electronic apparatus. A gasket for acoustically sealing an audio component inside an electronic apparatus, the gasket including a plurality of elongat... | 05/31/2011 |
| 7438155 | Tangential stress reduction system in a loudspeaker suspension A speaker system is provided, including a suspension element having an outer edge and an inner edge. The suspension element, such as a spider or surround, varies in shape along at least a portion of the suspension element to help relieve both the radial and tangenti... | 10/21/2008 |
| 7418107 | Loudspeaker A loudspeaker including a frame, a movable diaphragm that oscillates, and a suspension for mounting the diaphragm to the frame, where the suspension comprises a flexible surround having a substantially enclosed space where at least a portion of the flexible surround... | 08/26/2008 |
| 7353907 | Speaker enclosure for a wall mounted speaker system A process and kit is provided for retro-installing a speaker enclosure for a wall mounted speaker. The process includes mounting a selected speaker surround member in a building wall between the front and back wall surfaces and between the wall studs and around the ... | 04/08/2008 |
| 7325650 | Speaker A speaker according to the present invention is equipped with a diaphragm having a central portion of a dome shape and an edge portion formed on an outer periphery thereof. Further, the speaker has also a frame attached with an outermost fringe of the edge portion a... | 02/05/2008 |
| 7325648 | Frame for speaker device and speaker device A frame for a speaker device has an annular outer peripheral portion. The outer peripheral portion includes plural wall portions concentrically formed. An end surface of the wall portion on an inner circumferential side of the outer peripheral portion is formed at a... | 02/05/2008 |
| 7319774 | Speaker A speaker includes: a speaker unit; a baffle fitted with the speaker unit; a cabinet fixed to the baffle, the cabinet covering a back of the speaker unit; a plurality of mounting bosses projected from at least one of the baffle and the cabinet; and a packing having ... | 01/15/2008 |
| 7306073 | Electroacoustic transducer comprising a membrane with a middle area comprising stiffening grooves A membrane (20) has a membrane axis (5) and a middle area (50), a central cup-shaped depression (52) being provided around said membrane axis (5), which depression (52) preferably has a connecting channel (53), wherei... | 12/11/2007 |
| 7239715 | Speaker apparatus to be mounted on a vehicle A speaker apparatus to be mounted on a vehicle includes a speaker unit and a mounting device. The speaker unit has a frame. The mounting device mounts the frame of the speaker unit on a panel member of a vehicle body. The mounting device includes insulators, which p... | 07/03/2007 |
| 7221772 | Electronic device comprising a loudspeaker unit An electronic device has a loudspeaker unit and a casing with a support, which receives the loudspeaker unit, and with a wall perpendicular to the mounting direction of the loudspeaker unit in the support. A vibration absorbing body forms a spacer between the... | 05/22/2007 |
| 7218748 | Tapered thickness surround for high excursion speaker driver A speaker driver surround has tapered thickness to provide improved linearity of the force versus displacement response. The tapered thickness surround provides for a larger emissive piston area, thus increasing the acoustic efficiency of the transducer. The surroun... | 05/15/2007 |
| 7212646 | Adjustable ear canal retention transceiver/receiver The present invention is a wireless headset having a removable compliant polymer sheath that is retained in the ear of a user via friction. The wireless headset is reduced in size to earpiece, in which the comfort and sanitation of the user and the life span of the ... | 05/01/2007 |
| 7206428 | Acoustic receiver having improved mechanical suspension The present invention is a receiver that includes electronics for converting an input audio signal to an output acoustic signal. The receiver has a housing for containing at least a portion of the electronics. The housing includes a port for broadcasting the output ... | 04/17/2007 |
| 7206422 | Transducer assembly apparatus An assembly (100) for acoustic sealing of a transducer (104) in a communication device is provided. The assembly (100) allows for assembly along one axis (112) and acoustical sealing along another axis (115). The assembly (100 | 04/17/2007 |
| 7181035 | Acoustical receiver housing for hearing aids An acoustic receiver comprises means for converting an input audio signal into an acoustic signal. The receiver has a housing having a plurality of sides that surround the converting means. One of the sides include an output port for broadcasting the acoustic signal... | 02/20/2007 |
| 7088839 | Acoustic receiver having improved mechanical suspension The present invention is a receiver that includes electronics for converting an input audio signal to an output acoustic signal. The receiver has a housing for containing at least a portion of the electronics. The housing includes a port for broadcasting the output ... | 08/08/2006 |
| 7032708 | Flush mountable vibration reducing loudspeaker mounting assembly A vibration dampening speaker mounting assembly includes a flush-mountable frame for mounting to a wall or ceiling, at least one vibration dampening member, and a baffle for supporting a single or multi-driver transducer array. The at least one vibration dampening m... | 04/25/2006 |
| 7035419 | Anti-resonant structure for speakers An anti-resonant structure for speakers includes a resonant structure which has a housing compartment, at least one elastic element located in the housing compartment that has one end fastening to the resonant structure and another end coupling with a speaker, and a... | 04/25/2006 |
| 7030522 | Exciter for directly vibrating board An exciter for directly vibrating a board, which enables a sufficient rotational torque to be obtained by a work tool at the time of attachment or detachment, provided with a magnetic circuit unit having an outside yoke comprised of a side wall and a bottom, a perma... | 04/18/2006 |
| 6988584 | Speaker diaphragm edge and its manufacturing method A speaker diaphragm edge obtained by hot-forming into a desired edge shape, a resin-treated base material, which was prepared by using a silkscreen printing technique to apply a shaping agent layer only to the necessary portion of a base material. ... | 01/24/2006 |
| 6957714 | Speaker and speaker diaphragm The speaker has a diaphragm main body 30 supported resiliently on a frame 23 via an edge portion 31 around its outer circumference, and the groove ribs 35 integrally formed in the edge portion 31, wherein a regulation member 37 | 10/25/2005 |
| 6920957 | Loudspeaker diaphragm A loudspeaker diaphragm affixed with a coil includes an edge portion located outside of a portion affixed with the coil and a center portion located inside of the portion affixed with the coil. The center portion is provided thereon with ribs. With these ribs, the h... | 07/26/2005 |
| 6922476 | Adjustable ear canal retention transceiver/receiver The present invention teaches a retainer in the form of a removable compliant polymer sheath. The present invention further teaches a wireless headset reduced in size to an earpiece, in which the comfort and sanitation of the user and the life span of the device may... | 07/26/2005 |
| 6892850 | Surround for speaker system and manufacturing method thereof A speaker's surround to be attached to an edge of a diaphragm in a speaker system is provided, which is capable of keeping its predetermined shape while repeating elastic deformation for accommodating large amplitude vibration of the diaphragm. Further, the surround... | 05/17/2005 |
| 6606392 | Speaker device A holder 1 is provided with two first engaging frame parts 2 and 3 and one second engaging frame part 4. The second engaging frame part 4 includes a pair of supporting parts 41, an elastic beam part 42, and an operating piece 44. The elastic beam part 42 ... | 08/12/2003 |
| 6543574 | Method of making a speaker edge containing isocyanate and polyol It is an object of the present invention to provide a speaker edge which is high in strength, less in scattering of f0, high in waterproofness, small in amplitude at the time of resonance, easy to mold, and easy to be integrated with a cone bod... | 04/08/2003 |
| 6526150 | Telephone loudspeaker enclosure An apparatus for a microphone and speaker is provided which provides a sealed chamber behind the speaker to prevent sound waves behind the speaker from cancelling sound waves in front of the speaker. In addition, the apparatus is configured to mechanicall... | 02/25/2003 |
| 6394224 | Structure of speaker A speaker structure having a supporting base with a magnetic circuit in a lower portion, a sound cylinder with a tube with wires on one end, which one end is placed in the magnetic circuit and the other end is higher than the supporting base. A vibration ... | 05/28/2002 |
| 6061459 | Surface-mounted electromagnetic sound generating body In the surface-mounted electromagnetic sound generating body in which a thin resin casing incorporating a sound generating unit is formed with a sound release hole, a sound leakage prevention member separate from the casing is provided around the sound re... | 05/09/2000 |
| 5193119 | Multiple loudspeaker A multiple loudspeaker includes a housing and a first speaker (a woofer) supported by the housing. The first speaker includes a first diaphragm. A support for supporting a second speaker (a tweeter) is provided, and the tweeter support is supported by the... | 03/09/1993 |
| 5018206 | Network mounting device for coaxial type speaker A network mounting device in a coaxial type speaker including a woofer having a diaphragm, a center pole for forming a magnetic circuit of the woofer, and a tweeter mounted on a front end of the center pole. The network mounting device includes a frame fo... | 05/21/1991 |
| 4891842 | Sound output unit for installation in a ceiling structure The present invention constitutes a sound output unit for installation in a ceiling structure including an assembly for mounting a loudspeaker for use in conjunction with said output unit. The sound output unit comprises a polyhedral chamber or enclosure,... | 01/02/1990 |
| 4845760 | Electro-acoustic transducer arranged within the handset of a telephone instrument An electro-acoustic transducer is arranged within the handset of a telephone instrument. The transducer is elastically seated and is seated at a distance from the walls of the handset so that noises caused by the handset are not transmitted onto the trans... | 07/04/1989 |
| 4797935 | Speaker system with independently supported top plate A speaker system in which a top piece supporting both the magnetic circuit of a speaker and the rear of the vibration plate is connected to a part of the speaker cabinet other than the baffle board at the front of the speaker. Also, an elastic damper is p... | 01/10/1989 |
| 4635287 | Audio-frequency electromechanical vibrator An audio-frequency electromechanical vibrator having a flat hollow case with a thin cover plate, a flat ring-shaped permanent magnet axially magnetized and a flat annular drive coil unit. The magnet and the coil unit are disposed in the case coaxial with ... | 01/06/1987 |
| 4607382 | Electroacoustic transducer unit with reduced resonant frequency and mechanical spring with negative spring stiffness, preferably used in such a transducer unit An electroacoustic transducer unit comprises an electroacoustic transducer with a diaphragm (1), a magnet system (2) with an air gap (3), and a voice-coil former (4) with a voice coil (5) arranged in the air gap (3) of the magnet system. The transducer un... | 08/19/1986 |
| 4493471 | Sound speaker stand for attenuating vibrations A speaker stand for supporting a speaker enclosure on the floor comprising a rigid planar member (11) supporting a waffled cushion pad (12) on the top surface with the pad including peaks 17 and valleys 19. Semiresilient rails (13, 14, 15, 16) positioned ... | 01/15/1985 |
| 4337380 | Structure for mounting speaker A structure for mounting a speaker at a pocket portion formed on a vertical wall, which is characterized by engaging portions formed at peripheral portions of a speaker base member with a speaker fixed thereto and U-shaped spring members which are each ad... | 06/29/1982 |
| 4297537 | Dynamic loudspeaker Improvements are disclosed in a loudspeaker of the type having a speaker cone assembly which is reciprocated by a current-carrying voice coil suspended in a constant magnetic field. The constant magnetic field is generated in an annular flux gap formed by... | 10/27/1981 |
| 4239944 | Spider of loudspeaker A spider of loudspeaker having a base material in the form of a plain-woven fabric of warps and wefts each of which constituted by fibers of an inorganic material. The warps and wefts are coated with a thermosetting resin which in turn is coated with a th... | 12/16/1980 |
