Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Application No. | Application Title | Issue Date |
| 20120082326 | PIEZOELECTRIC SPEAKER The piezoelectric speaker (100) according to the present invention includes: a diaphragm (10) which includes a substrate (13) and a plurality of piezoelectric elements (11a to 11d) placed on the substrate (13); and... | 04/05/2012 |
| 20120039493 | TRANSDUCER DEVICES AND METHODS FOR HEARING A device to transmit an audio signal to a user may comprise a mass, a piezoelectric transducer, and a support to support the mass and the piezoelectric transducer with the eardrum. The piezoelectric transducer can be configured to drive the support and the eardrum with ... | 02/16/2012 |
| 20120033834 | Apparatus With Directivity Pattern A loudspeaker is described. The loudspeaker includes two or more segmentations of a planar radiator. Each of the segmentations has an associated frequency dependent velocity magnitude and phase with substantially uniform surface pressure. The two or more segmentations p... | 02/09/2012 |
| 20120027236 | ACOUSTIC PRESSURE TRANSDUCER Acoustic transducer means are provided. A monolithic semiconductor layer defines a plate, a pair of oppositely disposed torsional hinges, a flexible extension and at least a portion of a support structure. Acoustic pressure communicated to the plate results in tensile s... | 02/02/2012 |
| 20110311082 | CAPACITIVE ELECTRO-ACOUSTIC TRANSDUCTION SYSTEM AND CAPACITIVE ELECTRO-ACOUSTIC TRANSDUCER THEREOF A capacitive electro-acoustic transducer includes a pair of input terminals, a pair of output terminals, an electrode plate, and a diaphragm. The pair of input terminals receives an audio signal, and the pair of output terminals outputs the audio signal, wherein at leas... | 12/22/2011 |
| 20110305356 | Audio output drivers for piezo speakers A driver circuit for a piezoelectric speaker is described, wherein charge is transferred from a charge reservoir to the speaker. In a first embodiment a delta sigma circuit uses a pulse width modulated digital audio signal to control a push-pull circuit to drive the pie... | 12/15/2011 |
| 20110286613 | Speaker System An audio speaker comprises three modules stacked on one another to form a tower. The bottom module generates a magneto-strictive output that is coupled to the structure on which the bottom module stands to cause audio signal radiation from that structure. The top module... | 11/24/2011 |
| 20110274301 | Underwater Transducer Apparatus Using Polarized Stacked Piezoelectric Elements and a Method of Operating the Same The current device is a transducer for underwater communication using a plurality of stacked polarized piezoelectric elements. The piezoelectric elements are stacked within a communication device such as a loudspeaker or a set of headphones or earphones so that the pola... | 11/10/2011 |
| 20110255718 | PIEZOELECTRIC SPEAKER, PIEZOELECTRIC AUDIO DEVICE EMPLOYING PIEZOELECTRIC SPEAKER, AND SENSOR WITH ALERT DEVICE ATTACHED A piezoelectric speaker includes: a piezoelectric vibrator including a piezoelectric body formed of a piezoelectric element and a plate-shaped body which has a larger diameter than the piezoelectric body and which is attached to a surface of the piezoelectric body in a ... | 10/20/2011 |
| 20110235831 | DRIVE DEVICE There is provided a drive device capable of driving a capacitive load with efficiency and with low power consumption while keeping quality input reproducibility for output signal. A switching drive circuit 10f repeatedly performs operations in the order of... | 09/29/2011 |
| 20110222714 | TOUCH-SENSITIVE SENSOR A touch-sensitive sensor and a method for detecting a position where a user touches a wire or cable are described.... | 09/15/2011 |
| 20110206222 | MEMBRANE FOR AN ACOUSTIC TRANSDUCER A membrane for an acoustic transducer is provided which comprises a first portion having a first stiffness, and a second portion comprising a first subsection having a second stiffness and a second subsection having a third stiffness, wherein the second stiffness and th... | 08/25/2011 |
| 20110182450 | PIEZOELECTRIC MICRO-ACOUSTIC TRANSDUCER AND METHOD OF FABRICATING THE SAME Provided are a piezoelectric micro-acoustic transducer and a method of fabricating the same. In the piezoelectric micro-acoustic transducer, a diaphragm is divided into a first region and a second region. The first region may be formed of a material capable of maximizin... | 07/28/2011 |
| 20110176695 | PIEZOELECTRIC PANEL SPEAKER AND OPTIMAL METHOD OF DESIGNING THE SAME A piezoelectric panel speaker and an optimal method of designing the same is disclosed. In the structure of the speaker, at least one piezoelectric plate attached at a surrounding frame supports a diaphragm inside the surrounding frame. A spacer is inserted between the ... | 07/21/2011 |
| 20110135123 | PIEZOELECTRIC SPEAKER AND METHOD OF MANUFACTURING THE SAME In a piezoelectric speaker, an acoustic diaphragm is thicker than a piezoelectric thin film and is formed of a more flexible and higher elasticity material than the piezoelectric thin film, thereby greatly improving output sound pressure in a low frequency band and redu... | 06/09/2011 |
| 20110128245 | PIEZOELECTRIC SPEAKER, SPEAKER APPARATUS, AND TACTILE FEEDBACK APPARATUS A piezoelectric speaker that includes an electrode formed on opposing main surfaces of a piezoelectric sheet having a predetermined stretching axis and made of a chiral polymer. The electrode is divided into four electrode portions by a plurality of dividing lines exten... | 06/02/2011 |
| 20110116664 | MAGNETOSTRICTIVE ACTUATOR AND SPEAKER AND DEVICE USING SAID MAGNETOSTRICTIVE ACTUATOR A magnetostrictive actuator includes a magnetostrictive element extending along a central axis, a movable section displaced in response to a change of a shape of the magnetostrictive element, a voice coil wound about the magnetostrictive element, a magnet surrounding th... | 05/19/2011 |
| 20110116663 | MAGNETOSTRICTIVE MICROLOUDSPEAKER An acoustic actuator comprises a support layer (3), in which a self-supporting structure (1) is defined which is connected to the support layer (3) by means of at least two suspensions (7), at least one magnetostrictive layer (4) which... | 05/19/2011 |
| 20110110542 | PIEZOELECTRIC EXCITER AND PIEZOELECTRIC EXCITER UNIT A piezoelectric exciter includes: a beam including a substrate and a piezoelectric element affixed to the substrate; a supporting portion that supports the beam; a terminal fixed to the supporting portion, the terminal feeding electricity to the piezoelectric element; a... | 05/12/2011 |
| 20110110541 | ELECTROMAGNETIC TRANSDUCTION ACOUSTIC BRIDGE AND RELATED METHODS An electromagnetic transduction acoustic bridge appliance may include an electro-acoustic transducer including a housing, and a coil carried by the housing, and a piezoelectric paste adjacent the electro-acoustic transducer and including metallic powder embedded therein... | 05/12/2011 |
| 20110085684 | PIEZOELECTRIC MICRO SPEAKER Provided is a piezoelectric micro speaker. The piezoelectric micro speaker includes a device plate having a front cavity, a front plate having a radiation hole which communicates with the front cavity in front of the device plate, and a rear plate having a rear cavity a... | 04/14/2011 |
| 20110075867 | PIEZOELECTRIC MICRO SPEAKER INCLUDING WEIGHT ATTACHED TO VIBRATING MEMBRANE AND METHOD OF MANUFACTURING THE SAME Provided are a piezoelectric micro speaker and a method of manufacturing the same. The piezoelectric micro speaker includes: a substrate having a cavity therein; a diaphragm that is disposed on the substrate, the diaphragm including a vibrating membrane that overlaps th... | 03/31/2011 |
| 20110044476 | SYSTEM TO GENERATE ELECTRICAL SIGNALS FOR A LOUDSPEAKER The present disclosure describes an apparatus and a system for generating electrical signals for a loudspeaker. The loudspeaker may include one or more piezoelectric actuators configured to deflect a diaphragm of the loudspeaker in response to an input signal. The appar... | 02/24/2011 |
| 20110038495 | PIEZOELECTRIC MICRO SPEAKER AND METHOD OF MANUFACTURING THE SAME A piezoelectric micro speaker and a method of manufacturing the same are provided. The piezoelectric micro speaker includes a device plate, a front plate bonded on a front surface of the device plate, and a rear plate bonded on a rear surface of the device plate. The de... | 02/17/2011 |
| 20110002486 | CAPACITIVE LOAD DRIVING CIRCUIT AND METHOD, LIQUID DROPLET EJECTION DEVICE, AND PIEZOELECTRIC SPEAKER DRIVING DEVICE There is provided a capacitive load driving circuit which applies a driving signal to a capacitive load. The driving circuit includes: an operational amplifier outputting a difference signal between signals from an inverting input terminal and a non-inverting input term... | 01/06/2011 |
| 20110002485 | PIEZOELECTRIC ACTUATOR AND ELECTRONIC DEVICE A piezoelectric actuator 60 includes a piezoelectric element 10 expanding and contracting according to a state of an electric field, a pedestal 20, a vibration film 30, and a support member. In the vibration mode of the divided vibration occu... | 01/06/2011 |
| 20100296677 | Flat panel piezoelectric loudspeaker A flat panel piezoelectric loudspeaker includes a piezoelectric element, a first electrode and a second electrode. The piezoelectric element includes a first surface and a second surface opposite to the first surface. The first electrode is electrically connected to the... | 11/25/2010 |
| 20100290650 | PIEZOELECTRIC SPEAKER A purpose of the invention is to provide a piezoelectric speaker that can serve as an antenna and can be used for frequencies in the MHz band, thereby it is possible to suppress enlarging of the size due to use of the piezoelectric speaker also as the antenna to a minim... | 11/18/2010 |
| 20100284554 | TRANSDUCER FOR VIBRATION ABSORBING, SENSING, AND TRANSMITTING A hermetically sealed actuator design for absorbing and reducing the effect of sound or vibration energy from a vibrating surface. The device comprises a body (1) containing a magnetostrictive core (2-6) a reaction mass (7) for energising the... | 11/11/2010 |
| 20100284555 | SPEAKER DEVICE A speaker device includes: an acoustic diaphragm; a vibration transfer member provided in a state of touching the acoustic diaphragm over a given length, which is configured to transfer vibration to the acoustic diaphragm; and an actuator configured to add vibration cor... | 11/11/2010 |
| 20100246863 | PIEZOELECTRIC ACOUSTIC DEVICE AND ELECTRONIC APPARATUS A piezoelectric acoustic device comprises: at least two piezoelectric actuators; a support body that supports the at least two piezoelectric actuators; and a signal input unit that drives the at least two piezoelectric actuators at respective arbitrary times. At least o... | 09/30/2010 |
| 20100246862 | DEVICE AND METHOD FOR THE EXCITATION AND/OR DAMPING AND/OR DETECTION OR STRUCTURAL OSCILLATIONS OF A PLATE-SHAPED DEVICE USING A PIEZOELECTRIC STRIP DEVICE An apparatus and a method for the excitation and/or damping and/or detection of structural oscillations of a plate-shaped device by means of a piezoelectric strip device are described. The apparatus comprises a carrier device (1), at a distance from which the pla... | 09/30/2010 |
| 20100239101 | Digital speaker driving apparatus A digital sound system suitable for a digital speaker device for directly converting analog sound by a circuit using a ΔΣ modulator and a mismatch shaping filter circuit to output a plurality of digital signals and a plurality of speakers driven by the plurality of di... | 09/23/2010 |
| 20100239109 | ACOUSTIC DEVICE AND METHOD OF MANUFACTURING SAME An acoustic device (500), comprising an oscillatory membrane (501) which comprises a transducing element (503) and a frame (504) adapted for accommodating the membrane (501) in an accommodation plane, wherein the membrane (501) ... | 09/23/2010 |
| 20100195851 | ACTIVE TEMPERATURE CONTROL OF PIEZOELECTRIC MEMBRANE-BASED MICRO-ELECTROMECHANICAL DEVICES In a representative embodiment, an apparatus, comprises a substrate; a microelectronic ultrasonic transducer (MUT) disposed over the substrate; and a thermoelectric device disposed proximate to the MUT and configured to provide heat to or remove heat from the MUT. A mic... | 08/05/2010 |
| 20100158283 | PIEZOELECTRIC SPEAKER AND METHOD OF MANUFACTURING THE SAME A piezoelectric speaker and a method of manufacturing the same that can obtain a high sound pressure using a piezoelectric thin film are provided. The piezoelectric speaker includes a piezoelectric thin film, electrodes formed on an upper surface or upper and lower surf... | 06/24/2010 |
| 20100150381 | MICRO-SPEAKER AND MANUFACTURING METHOD THEREOF A micro-speaker and a manufacturing method thereof are provided. The micro-speaker has a sandwich structure. The micro-speaker includes two piezoelectric material layers and a diaphragm disposed between the two piezoelectric material layers, where the piezoelectric mate... | 06/17/2010 |
| 20100124344 | PIEZOELECTRIC BODY MODULE AND MANUFACTURING METHOD THEREFOR In order to miniaturize a piezoelectric body module, in which a rhombus-shaped electronic part 4 and a polygonal-shaped electronic part 5 are arranged on a rectangular substrate 2: the rhombus-shaped electronic part 4 is arranged on the subst... | 05/20/2010 |
| 20100119090 | Omni-directional radiator for multi-transducer array An omni-directional acoustic horn for applications in a liquid transmission medium deploys a plurality of transducers distributed along an interior face of the horn to radiate against an opposed surface. The arrangement mimics operation at a greater depth of submergence... | 05/13/2010 |
| 20100092011 | MEMBRANE FOR AN ELECTROACOUSTIC TRANSDUCER AND ACOUSTIC DEVICE A membrane for an electroacoustic transducer is disclosed, wherein said membrane (201) comprises a rigid membrane portion (202) having an edge (203); a flexible membrane portion (204) being connected to the rigid membrane portion (202)... | 04/15/2010 |
