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Patent No. 5508049

Pizza Pie With Concentric Rings of Crust

A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.

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Assignee: Knowles Electronics LLC


Location: Itasca, IL
No. of patents: 26

NumberTitleIssue Date
8121331Surface mount silicon condenser microphone package
The present invention relates to a surface mount package for a silicon condenser microphone. The inventive package uses a limited number of components which simplifies manufacturing and lowers costs, and features a substrate which performs functions for which multip...
02/21/2012
8018049Silicon condenser microphone and manufacturing method
A silicon condenser microphone package and method for manufacture are disclosed. The silicon condenser microphone package includes a silicon condenser microphone die, a substrate comprising a conductive layer, and a cover having a conductive layer, where the conduct...
09/13/2011
7443997Armature for a receiver
An armature for a receiver comprising a first and a second leg portion each having a thickness and a width and connected to each other, and a connection portion in communication with the first and second leg portions. The connection portion has a width greater than ...
10/28/2008
7439616Miniature silicon condenser microphone
A silicon condenser microphone package includes a transducer unit, a substrate, and a cover. The substrate includes an upper surface transducer unit is attached to the upper surface of the substrate and overlaps at least a portion of the recess wherein a back volume...
10/21/2008
7434305Method of manufacturing a microphone
A silicon condenser microphone package is disclosed. The silicon condenser microphone package comprises a transducer unit, substrate, and a cover. The substrate includes an upper surface having a recess formed therein. The transducer unit is attached to the upper su...
10/14/2008
7415125Apparatus and method for creating acoustic energy in a receiver assembly with improved diaphragms-linkage arrangement
A receiver assembly includes a first diaphragm assembly having a diaphragm, and a second diaphragm assembly having a diaphragm. A linkage assembly is coupled to an armature of the receiver. The linkage assembly is also coupled to the first diaphragm assembly and to ...
08/19/2008
7412763Method 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
D573588Assistive listening device
07/22/2008
7381589Silicon condenser microphone and manufacturing method
A silicon condenser microphone package is disclosed. The silicon condenser microphone package comprises a transducer unit substrate, and a cover. The substrate includes an upper surface having a recess formed therein. The transducer unit is attached to the upper sur...
06/03/2008
7382048Acoustic transducer module
A module (100, 200, 300, 400, 500, 600, 900) may be electrically connected to a PCB (18, 918) residing in a device (14) or may be joined to the device (14) to form a portion of the housing (16, 916) of the device (14). The m...
06/03/2008
7366317Apparatus for creating motion amplification in a transducer with improved linkage structure
Various linkage assemblies are shown and described for connecting a first movable member to a second movable member of a transducer. The linkage assemblies provide for motion amplification or reduction and, when used for sound generating purposes such as hearing aid...
04/29/2008
7362878Magnetic assembly for a transducer
A transducer suitable for use as a microphone or receiver in a hearing aid has a housing and a diaphragm disposed within the housing. A motor assembly is also disposed within the housing and operatively coupled to the diaphragm. The motor assembly includes a magnet ...
04/22/2008
7352876Method and apparatus for substantially improving power supply rejection performance in a miniature microphone assembly
A hybrid circuit (300) for use in a miniature microphone assembly (100) reduces power supply noise on the audio signal input (214) of an impedance buffer amplifier (200) using one or both of shielding conductors 422, 424 to reduce ...
04/01/2008
7336797Apparatus and method for generating acoustic energy in a receiver assembly
A receiver assembly includes a housing having a fixed housing portion and a shiftable housing portion cooperating to define a hollow cavity. A flexible membrane secured between the fixed housing portion and the shiftable housing portion and adapted to allow relative...
02/26/2008
7317997System and method for facilitating listening
A system and method for assisting listening wherein an integrated circuit selects one or more audio sources from among a plurality audio sources to be presented to a signal processing circuit. Selection of the audio source can be automatically executed in response t...
01/08/2008
7302748Linkage assembly for an acoustic transducer
A linkage assembly (140) is used for mechanically coupling an armature (124) and a diaphragm (118) of a balanced receiver (100), the linkage assembly (140) formed from a first linkage member (822) displaced from a strip of s...
12/04/2007
7297567Method for singulating a released microelectromechanical system wafer
A plurality of MEMS structures is formed on a wafer. The wafer is mounted on a dicing frame assembly having a dicing frame and a dicing tape attached to the dicing frame. A protective layer is applied to cover the entire surface of the wafer or may be limited to the...
11/20/2007
7260230High performance microphone and manufacturing method thereof
A microphone (100) and method of manufacture thereof is disclosed. The microphone (100) includes a housing (108), a diaphragm assembly (120), a spacer (134), a backplate assembly (140), a body assembly (150), and a pr...
08/21/2007
7242089Miniature silicon condenser microphone
A silicon condenser microphone package includes a transducer unit, a substrate, and a cover. The substrate includes an upper surface transducer unit is attached to the upper surface of the substrate and overlaps at least a portion of the recess wherein a back volume...
07/10/2007
7236609Electro-acoustic transducer with resistance to shock-waves
A transducer comprising a pair of spaced magnets at least partially forming a tunnel having a central axis. A coil having a first and a second side wall and an upper and a lower wall at least partially forms the tunnel. A reed having a central portion extends throug...
06/26/2007
7221766Microphone input buffer biasing circuit
An input biasing circuit for a microphone is disclosed. The circuit includes an input and an output. An input transistor is connected between the input and the output and to a biasing circuit. The biasing circuit DC biases the gate terminal of the input transistor. ...
05/22/2007
7203334Apparatus for creating acoustic energy in a balanced receiver assembly and manufacturing method thereof
A paddle (142) of a diaphragm (118) of a receiver (100) is manufactured using one or more layers of a material selected for their inertial mass and rigidity. The paddle may have a layered structure with stiff outer layers such as aluminum and a ...
04/10/2007
7184563Electret condenser microphone
A condenser microphone having a housing, a diaphragm assembly and backplate located within the housing. A spacer isolates the diaphragm assembly from the housing and spaces the diaphragm assembly from the backplate. The spacer has a first portion disposed between th...
02/27/2007
6781231Microelectromechanical system package with environmental and interference shield
A microelectromechanical system package has a microelectromechanical system microphone, a substrate, and a cover. The substrate has a surface for supporting the microelectromechanical microphone. The cover includes a conductive layer having a center portion bounded ...
08/24/2004
6532293Acoustical transducer with reduced parasitic capacitance
An acoustical transducer including a case and a support member, diaphragm, and backplate located within the case. The diaphragm is connected to the support member and is capable of vibrating. The backplate is mounted to the support member and is spaced a ...
03/11/2003
6307944System for mitigating RF interference in a hearing aid
A filter for a hearing aid is disclosed. The hearing aid comprises a microphone, an amplifier and a receiver. The filter mitigates the interfering effect of an RF burst on the hearing aid....
10/23/2001
 
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