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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.
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| Number | Title | Issue Date |
| 8180086 | Speaker A speaker includes a box-shaped enclosure, a speaker unit and a sounding board. A pair of side plates, a bottom plate, a top plate, a back plate and a baffle are assembled into the enclosure. The speaker unit is attached to an opening portion of the baffle. The soun... | 05/15/2012 |
| 8107662 | Porting A ported electroacoustical device uses the action of the port to provide cooling airflow across a heat producing device. The device includes a loudspeaker enclosure including a first acoustic port, and an acoustic driver, mounted in the loudspeaker enclosure. The de... | 01/31/2012 |
| 8103037 | System for producing the parameters of a bass-enhanced loudspeaker enclosure A system for producing parameters for a bass-enhanced loudspeaker enclosure; meanwhile, a low-frequency extended frequency, a quality and quantity ratio and radius of a port need to be defined for the system. Also, the resonance frequency of a mechanical system and ... | 01/24/2012 |
| 8098867 | Attachable external acoustic chamber for a mobile device An external acoustic chamber (220) for attachment to a mobile device (200) is provided. The external acoustic chamber (220) optimizes the audio performance of the mobile device (200) thus reducing the need for signal equalization and/or h... | 01/17/2012 |
| 8077898 | Dual-frequency coaxial earphones A dual-frequency coaxial earphone includes a frame, a shared yoke, a high frequency speaker part, and a low frequency speaker part. The high frequency speaker part and the low frequency speaker part are coaxially arranged at inside and outside of the shared yoke, an... | 12/13/2011 |
| 8055003 | Acoustic systems for electronic devices A portable electronic device may have acoustic ports such as microphone and speaker ports. Acoustic devices such as microphones and speakers may be associated with the acoustic ports. An acoustic port may have an opening between an interior and exterior of the porta... | 11/08/2011 |
| 8036409 | Speaker cabinet and speaker using the same A speaker cabinet according to an embodiment of the present invention includes: a pair of side plates whose outer peripheral portions define no apexes; and a bent plate curved in conformity with the outer peripheral portions of the pair of side plates and mounted to... | 10/11/2011 |
| 8036410 | Offset baffles for acoustic signal arrival synchronization Offset baffles are provided in a speaker for acoustic signal arrival synchronization. The speaker includes an enclosure. The enclosure includes a first side positioned at an angle with respect to a horizontal axis or plane. The first side includes an upper portion a... | 10/11/2011 |
| 8031895 | Driver and enclosure combination An enclosure includes a chamber holding a driver with an end at a first opening in a housing and a rear end nearby a first terminal end of a passageway having a second terminal end at a second opening in the housing. The driver projects sound waves into a listening ... | 10/04/2011 |
| 8009850 | Portable electronic apparatus A portable electronic apparatus including a case, a speaker, a sound box cover, a first circuit board and a second circuit board is provided. The case has a sound hole and a plurality of limiting portions disposed around the sound hole. The speaker corresponding to ... | 08/30/2011 |
| 7925036 | Folded coaxial transmission line loudspeaker A loudspeaker has a loudspeaker driver and a first tube having a base end coupled to the driver and extending towards the rear end of the loudspeaker. A second tube of larger cross sectional dimensions extends over the first tube and loudspeaker driver and has a rea... | 04/12/2011 |
| 7925035 | Speakerbox An electro-acoustic communications unit (20) may include an acoustic driver (22) which, when operated, emits acoustic waves in two directions. A hermetically sealed container (24) attached to the acoustic driver may include a gas other than air.... | 04/12/2011 |
| 7894620 | Speaker set and mobile phone incorporating the same A mobile phone and an acoustic box structure thereof are provided. The mobile phone includes a shell containing a printed circuit board (PCB) and a hidden antenna therein. The acoustic box structure is disposed between the PCB and the hidden antenna. The acoustic bo... | 02/22/2011 |
| 7864974 | Earphone device integrated with microphone An earphone device integrated with a microphone has a main body, a microphone unit and a speaker unit. The microphone unit has a sound-absorbing film and a circuit unit, the sound-absorbing film being a hollow column and being connected to the main body through a re... | 01/04/2011 |
| 7840022 | Speaker device A speaker device includes a cabinet, a speaker unit, a port, a cartridge, and an adsorbent material. The adsorbent material is disposed in the interior of the cartridge. The cartridge is a container removable from the cabinet. When the adsorbent material is deterior... | 11/23/2010 |
| 7826633 | Speaker cover A cover for a speaker device having a sound producing portion and a structure for supporting the sound producing portion, the cover includes an opening and an internal cavity therein for receiving and enclosing the speaker device, a first portion capable of passing ... | 11/02/2010 |
| 7826634 | Image display apparatus According to one embodiment, a front frame forms a cabinet, and a display screen of an image display unit is arranged to be exposed from an opening at the center thereof. A frame forming portion is located at the lower part of the front frame, and sound emitting uni... | 11/02/2010 |
| 7711134 | Speaker port system for reducing boundary layer separation This invention provides a speaker port with a flare having an inner wall that minimizes or reduces boundary layer separation. Fluids, such as air and sound waves, flow through the port at a higher velocity when boundary layer separation is minimized or reduced. The ... | 05/04/2010 |
| 7711135 | Sounding device In order to divide the inside space of the cabinet into at least two with a speaker being the center, obtain a plurality of emitted sound energies through openings constructed in each divided sphere, and utilize a cabinet of a loudspeaker apparatus as a sound echo b... | 05/04/2010 |
| 7664283 | Devices and transducers with cavity resonator to control 3-D characteristics/harmonic frequencies for all sound/sonic waves The invention concerns an acoustic device with electro-acoustic transducers and with a cavity resonator that provide extreme tri-dimensional to concentrate/diffuse infrasonic, sonic and ultrasonic waves. It also concerns many structural designs in which some models ... | 02/16/2010 |
| 7657051 | Bass drum speaker A speaker apparatus includes a generally cylindrically shaped, hollowed case, a drum membrane at a first end of the case; and an electrically powered speaker at a second end of the case. The speaker is preferably positioned to emit sound primarily away from the drum... | 02/02/2010 |
| 7522742 | Speaker assembly with moveable baffle A speaker assembly includes a housing that can be attached to a wall. Audio speakers are mounted in a baffle that is mounted in and movable relative to the housing, so that the direction of audio signals emitted from the speakers can be selected and controlled. End ... | 04/21/2009 |
| 7463746 | Narrow opening electroacoustical transducing A loudspeaker system having an enclosure having a narrow opening or slot for radiating high frequency acoustic energy. The loudspeaker system has a cover member defining a slot between the cover member and a boundary of a listening space. The loudspeaker system may ... | 12/09/2008 |
| 7463747 | Loudspeaker system A loudspeaker unit (2) of a loudspeaker system (1) is fitted to a cabinet (4). An absorbent (3) is disposed in a hollow chamber (R) inside the cabinet (4) and absorbs a gas inside the hollow chamber (R). A phase inverting mechanism... | 12/09/2008 |
| 7440580 | Room mode bass absorption through combined diaphragmatic and helmholtz resonance techniques An acoustical bass absorber which reduces peak and dip frequency response errors caused by interference from naturally occurring axial standing waves in rectangular rooms. The apparatus uses two forms of simple harmonic resonance: pistonic diaphragm resonance and He... | 10/21/2008 |
| 7436972 | Folded coaxial transmission line loudspeaker A loudspeaker has a loudspeaker driver and a first tube having a base end coupled to the driver and extending towards the rear end of the loudspeaker. A second tube of larger cross sectional dimensions extends over the first tube and loudspeaker driver and has a rea... | 10/14/2008 |
| 7433483 | Narrow profile speaker configurations and systems A narrow profile speaker unit comprises at least one speaker outputting sound towards an internal surface and through a duct with an output terminus, such as a slot, having a narrow dimension, effectively changing the cross-section of the speaker's audio output wave... | 10/07/2008 |
| 7433484 | Acoustic vibration sensor An acoustic vibration sensor, also referred to as a speech sensing device, is provided. The acoustic vibration sensor receives speech signals of a human talker and, in response, generates electrical signals representative of human speech. The acoustic vibration sens... | 10/07/2008 |
| 7418104 | Speaker system A speaker system having a first speaker, a second speaker, and a housing having a first mounting surface to which the first speaker is mounted and a second mounting surface to which the second speaker is mounted. The first mounting surface and the second mounting su... | 08/26/2008 |
| 7400910 | Speaker sound enhancement for a mobile terminal The present invention relates to a mobile terminal such as a mobile telephone or the like which has a speaker built in, and realizes a sound emission structure for separately extracting the front output and back output of the speaker in a plurality of directions. Th... | 07/15/2008 |
| 7388963 | Speaker apparatus A speaker apparatus includes a speaker, and a circuit to operate the speaker. The speaker apparatus further includes a speaker box having an opening to enclose a back of the speaker; a casing accommodating the speaker box combined with the speaker and the circuit th... | 06/17/2008 |
| 7379556 | Speaker device A speaker device includes an acoustic capacity unit; an acoustic pipe connected to the acoustic capacity unit; and a driving speaker attached to the acoustic capacity unit. The acoustic capacity unit and the acoustic pipe constitute the Helmholtz resonator, and reso... | 05/27/2008 |
| 7369673 | Speaker supporting device and electronic device comprising this speaker supporting device A speaker supporting structure, which includes a speaker supporting device with improved assembly characteristics, and an electronic device comprising this speaker supporting device. The speaker supporting device is a structure which supports a speaker mounted in a ... | 05/06/2008 |
| 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 |
| 7352859 | Audio earpiece for wideband telephone handsets A method of manufacturing a telephony earpiece is provided. The method includes providing a speaker diaphragm and constraining the speaker diaphragm using a cap to provide a thin cavity between the cap and the diaphragm. The first resonance peak of the diaphragm/cav... | 04/01/2008 |
| 7350618 | Multimedia speaker product A satellite speaker system includes a side firing low mid driver mounted in a sub-enclosure which is vented into a second sub-enclosure through an acoustic resistance vent and to a third sub-enclosure through a variable aperture second vent. The vents further serve ... | 04/01/2008 |
| 7334852 | Multiple configuration shelving system for displaying audio visual components A shelving system for displaying audio visual components that may be configured into multiple positions is disclosed. The system includes a base that supports a center platform disposed between right and left platforms. The center platform and the right and left pla... | 02/26/2008 |
| 7333626 | Arbitrary coverage angle sound integrator A system is disclosed for changing a coverage angle of sound produced from a loudspeaker system. The loudspeaker system includes an enclosure that projects sound at a predetermined angle. A sound integrator includes an inner surface positioned adjacent to a mid-rang... | 02/19/2008 |
| 7333625 | Collapsible electro-acoustic transducer system A collapsible electro-acoustic transducer system (“CETS”) is described. The CETS system may include a base housing with at least one electro-acoustic transducer, where the base housing includes a base housing top and a base housing bottom, and a movable housing ... | 02/19/2008 |
| 7324654 | Arbitrary coverage angle sound integrator A system is disclosed for changing a coverage angle of sound produced from a loudspeaker system. The loudspeaker system includes an enclosure that projects sound at a predetermined angle. A sound integrator includes an inner surface positioned adjacent to a mid-rang... | 01/29/2008 |
