U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5678617

Method and apparatus for making a drink hop along a bar or counter

A method for generating a drink which appears to hop from a remote spot on the bar or counter and take one or more leaps, before landing in a patron's glass.

Newsletter  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.

 

Class 381/340 - Horn


Subclass of Class 381 - Electrical audio signal processing systems and devices
Definition: Subject matter in which the intensifying element is a tubular
No. of patents: 131
Last issue date: 05/08/2012


1        
NumberTitleIssue Date
8175312Directional sound projection system
The present invention essentially comprises a horn separated into a plurality of sections, wherein the horn is supported by a mounting bracket that may be both rotatable and pivotable and wherein the horn is made of two portions wherein the general middle is used as...
05/08/2012
8155363Electrical horn
An electrical horn includes a horn housing, an oscillation member located at the horn housing to generate a sonic wave, and a resonance tube in which the sonic wave generated by the oscillation member flows. In the electrical horn, the resonance tube has a plurality...
04/10/2012
7953238Multiple aperture diffraction device
A horn assembly for high frequency acoustic speakers. In an array of speakers, a spacing between adjacent speakers needs to be less than the wavelength of sound being emitted in order to combine effectively. For high frequency sound, a relatively small wavelength im...
05/31/2011
7844067Universal horn speaker
A universal speaker horn assembly includes a speaker horn sized and shaped to fit into a four inch deep space and connectors which are adjustable to such an extent to permit the speaker horn to be mounted to substantially any site, regardless of desired speaker posi...
11/30/2010
7650006Method to generate a plane acoustic wave front, a plane wave channel, a loudspeaker construction and a linear loudspeaker array
A method and a loudspeaker construction (10), in which loudspeaker construction spherical acoustic wave fronts emitted by the diaphragms (12) of speaker elements (11) are transformed into a uniform, planar acoustic wave front. The loudspeaker co...
01/19/2010
7590257Axially propagating horn array for a loudspeaker
A speaker system including a first and a second horn, each having a respective acoustic driver and a respective planar mouth and a respective throat operationally connected between the respective acoustic driver and the respective mouth, wherein the mouths are subst...
09/15/2009
7426281Electrodynamic acoustic transducer
The invention relates to an acoustic transducer generating a sound radiation by compression and expansion of an air mass situated between a mobile membrane and a fixed surface or between two mobile membranes. The present invention concerns a transducer or acoustic l...
09/16/2008
7392880Dual range horn with acoustic crossover
A new approach has been developed to combine mid-range and high frequency sound into the throat of a horn designed for sound reinforcement. An acoustic low pass filter element is interposed between the lower frequency passage and the higher frequency passage, so tha...
07/01/2008
7352875Speaker apparatus
The present invention provides a speaker apparatus which has a simple structure and a high directivity and which can emit sound. The speaker apparatus includes a hood having an opening at a front end with a sound reflecting inner wall shaped like a rotating surface ...
04/01/2008
7324654Arbitrary 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
7319772Speaker device for improving mid/high-range frequencies
A speaker device for improving mid/high-range frequencies includes a magnetic base, a frame annularly mounted to the magnetic base, a cone mounted to an inner side of the frame, a voice coil mounted to the cone and suspended in a gap of the magnetic base, and a dead...
01/15/2008
7297238Ultrasonic energy system and method including a ceramic horn
An acoustic system for applying vibratory energy including a horn connected to an ultrasonic energy source. The horn defines an overall length and wavelength, and at least a leading section thereof is comprised of a ceramic material. The leading section has a length...
11/20/2007
7278513Internal lens system for loudspeaker waveguides
This invention provides a lens system for a loudspeaker. The loudspeaker may include a driver unit and a waveguide attached to the driver unit. The loudspeaker further may include a lens system. The lens system may include a plurality of plates. The plates may be po...
10/09/2007
7275621Skew horn for a loudspeaker
A horn including a substantially flat coupling flange defining a coupling flange plane, a substantially planar mouth defining a mouth plane, an elongated throat extending between the coupling flange and the mouth, a transducer for generating a sonic output operation...
10/02/2007
7268467Acoustic transducer
An acoustic transducer provided with at least one sound source for generating an acoustic centre and a predetermined construction for guiding sound generated by the acoustic centre, which acoustic transducer can be fixed to a fixing wall, wherein the predetermined c...
09/11/2007
7252176Reflex-ported folded horn enclosure
A low frequency exponential/hyperbolic hybrid folded horn enclosure intended for use in proximity with at least one planar surface, such as a floor, ceiling, or wall, with access to the horn throat from the top of the enclosure. The horn is bifurcated at the throat ...
08/07/2007
7236606Sound system having a HF horn coaxially aligned in the mouth of a midrange horn
A sound system is provided that groups a midrange horn with a high frequency (“H”) horn. The sound system includes an HF horn coaxially coupled to a midrange horn, and two HF drivers aligned edge-to-edge. The sound system further includes two midrange drivers al...
06/26/2007
7207413Closed loop embedded audio transmission line technology for loudspeaker enclosures and systems
An acoustic impedance matching enclosure is provided having a driver loaded into a chamber buffering the throat/mouth of a closed loop transmission line. Transmission line consists of a termination member, outer and inner enclosure walls, high-density lining and thr...
04/24/2007
7203329Audio speaker system employing an axi-symmetrical horn with wide dispersion angle characteristics over an extended frequency range
A speaker system includes a speaker driver loaded by a horn waveguide. The speaker driver reproduces sound within an extended frequency range that includes a high frequency band between 8 kHz and 11 kHz. In the preferred embodiment, the extended frequency range incl...
04/10/2007
7197443Waveguide modeling and design system
This invention provides a method for designing a waveguide profile based upon predicted performance measurements of the waveguide. The method involves establishing a design metric, such as the change in acoustic reactance along the transition of the waveguide. Initi...
03/27/2007
7178629Electroacoustic public address unit with acoustic horn or waveguide
A horn or waveguide public address unit, enabling to adapt the dispersion characteristics of the horn or waveguide. The unit is provided with at least one profiling component (21a, 21b) constituting a removable dispersion shaper, capable ...
02/20/2007
7177437Multiple aperture diffraction device
A horn assembly for high frequency acoustic speakers. In an array of speakers, a spacing between adjacent speakers needs to be less than the wavelength of sound being emitted in order to combine effectively. For high frequency sound, a relatively small wavelength im...
02/13/2007
7167573Full range loudspeaker
An edge-driven diaphragm loudspeaker driver is configured such that the suspension system of the driver is connected to the voice coil rather than to the diaphragm. Thus, the diaphragm in the loudspeaker is free of suspension systems connected to or extending from t...
01/23/2007
7142680Multiple waveguide coaxial ceiling loudspeaker
A flush mountable ceiling speaker (10) with individual coaxial waveguides (20, 22) for both the lower and high-frequency transducers (11, 12). The lower frequency radiation is combined with the sonic energy radiated by the high-frequency transdu...
11/28/2006
7134523System for integrating mid-range and high-frequency acoustic sources in multi-way loudspeakers
This invention provides a radiation boundary integrator (“RBI”) for integrating sound radiation from mid-range and high-frequency sources in multi-way loudspeakers. The RBI is a substantially solid boundary that is placed over the mid-range speakers to provide s...
11/14/2006
7130438Acoustic enclosure for single audio transducer
An acoustic enclosure for a single sound transducer has sound pressure apertures near the end where the transducer is located, and sound apertures in a wall at the other end. The sound apertures enable the low, mid-range, and high frequency sounds to exit the enclos...
10/31/2006
7095868Phase plug with optimum aperture shapes
A phase plug for optimally matching a drive-unit's diaphragm to the throat of a waveguide is disclosed. Specific embodiments of a circular diaphragm matched to an elliptical waveguide and a circular diaphragm to a rectangular waveguide are disclosed. ...
08/22/2006
7072481Two-stage phasing plug system in a compression driver
This invention provides a two-stage phasing plug located within a compression driver. The two-stage phasing plug housed within the compression driver may be coupled to a horn. The two-stage phasing plug includes first and second phasing plugs. The advantages of havi...
07/04/2006
7068176Smoke detector with sound quality enhancement chamber
A smoke detector having a sound quality enhancement chamber for increasing the sound quality of alarms produced by a sound producing device in the smoke detector. In at least one embodiment, the sound quality enhancement chamber is formed by a housing and a plate su...
06/27/2006
7068805Acoustic waveguide for controlled sound radiation
Acoustic waveguide contours that approximate either or both of the Elliptic Cylinder and the Prolate Spheroidal coordinate systems that allows for a more accurate prediction and control over the sound radiation polar pattern are disclosed. ...
06/27/2006
7051835Bass-reflex loudspeaker system and method of manufacturing the same
The loudspeaker construction comprises a loudspeaker chamber delimited by a loudspeaker enclosure structure, a reflex duct communicating with the loudspeaker chamber so as to connect the loudspeaker chamber to the exterior environment of the loudspeaker enclosure, a...
05/30/2006
7044265Constant directivity acoustic horn
An improved throat (2) for transmitting acoustic energy from a source driver unit (7) to a feeder section (3) of a directivity controlling acoustic horn is disclosed. The throat (2) comprises: a circular throat entrance (2i)...
05/16/2006
7046816Coincident source stereo speaker
A coincident source stereo speaker in accordance with the present invention includes a high-frequency component (tweeter) and a low-frequency component (woofer) that are separated by a sound channel. The tweeter emits a first sound pattern directly outward from the ...
05/16/2006
7039211Horn-loaded compression driver system
A horn-loaded compression driver or a loudspeaker has a phasing plug with multiple slots and a common annular chamber. The slots extend from an inlet side to the common annular chamber, which extends to an outlet side. Each slot has a path length extending to a comm...
05/02/2006
7027605Mid-range loudspeaker
A midrange loudspeaker for operation in conjunction with low-frequency and high-frequency loudspeaker modules in a theater sound system, having a reduced depth for deployment in limited space. The midrange module is configured with a plurality of drivers and a waveg...
04/11/2006
7010138Loudspeakers
A loudspeaker comprising a phase uncorrelated diffuse sound source and a duct or wave guide coupled to the sound source to direct acoustic energy from the source, the duct or wave guide having a substantially parallel section extending from the vicinity of the sound...
03/07/2006
6981570Loudspeaker system with common low and high frequency horn mounting
The invention relates generally to the field of audio loudspeaker enclosures, and more particularly to a method of mounting the internal components in the loudspeaker so as to control the loudspeaker output. Specifically a mounting structure and method for mounting ...
01/03/2006
6963650Coaxial speaker with step-down ledge to eliminate sound wave distortions and time delay
A coaxial speaker assembly (10) with reduced sound distortion, sound time delay, and polar response distortion. The coaxial speaker assembly (10) includes a high-frequency speaker system (16) mounted coaxially with and fitting within a lower-fre...
11/08/2005
6959093Low frequency active noise control
A noise attenuation system (10) for an air induction system (12) includes an air inlet duct (16) having an open end (18) to draw in air and a loudspeaker (22) mounted within the inlet duct (16) and facing the open end (18...
10/25/2005
6952874Two-stage phasing plug system in a compression driver
This invention provides a two-stage phasing plug located within a compression driver. The two-stage phasing plug housed within the compression driver may be coupled to a horn. The two-stage phasing plug includes first and second phasing plugs. The advantages of havi...
10/11/2005
1        
 
Sign InRegister
Username  
Password   
forgot password?