Bizarre Patents
Mouthguard made at least partially from an edible candy
A mouthguard includes a U-shaped upper bite plate which removably fits over upper teeth of a person, with the entire upper bite plate being made from a soft, deformable and edible gummi candy.
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| Number | Title | Issue Date |
| 8111831 | Acoustic apparatus, time delay computation method, and recording medium An acoustic apparatus includes a positive value conversion section configured to convert, into a positive value, a response signal obtained by collecting a test signal emitted from a speaker using a microphone; a detection section configured to detect a first transi... | 02/07/2012 |
| 8107634 | High intensity calibration device A calibration device for calibrating a dynamic pressure sensor includes a power/control box and a portable calibration head disposed in electrical communication with the power/control box. The portable calibration head may include a calibration head housing having a... | 01/31/2012 |
| 8098834 | Distributed audio system An apparatus comprising a housing, a speaker, and an amplifier. The speaker may be mounted within the housing. A concave portion may be implemented in the housing and may be configured to hold a transformer. An amplifier may be implemented within the housing and may... | 01/17/2012 |
| 8081767 | Method for adjusting frequency response curve of speaker A method for adjusting frequency response curve of a speaker comprises these steps: testing sensitivity of the speaker in at least two types of hardware conditions and recording corresponding frequency response curves; selecting a frequency response curve that comes... | 12/20/2011 |
| 8081766 | Creating digital signal processing (DSP) filters to improve loudspeaker transient response A method is provided for creating a series of digital signal processing (DSP) filters to improve the transient response of a loudspeaker, wherein the loudspeaker is formed of multiple components. The method includes generally six steps. The first step involves ident... | 12/20/2011 |
| 8068615 | Automatic transformer saturation compensation circuit A transformer saturation compensation circuit for loudspeakers in embodiments of the invention may include one or more of the following features: (a) a transformer with a primary winding and a secondary winding electrically coupled to an output, (b) a high pass filt... | 11/29/2011 |
| 8054983 | Method for parameter identification and parameter optimization of microspeakers The present invention discloses a method for parameter identification and parameter optimization of microspeakers. Measurement procedures for identifying electromechanical constants of microspeaker and a GUI are developed to facilitate estimation of electroacoustic ... | 11/08/2011 |
| 8031876 | Audio system Disclosed is an audio system including a group of loudspeakers that form a sound field by delivering into a single space sound signals passed through respective ones of a plurality of sound signal channels. This audio system is comprised of two characteristic-variab... | 10/04/2011 |
| 8014537 | Frequency-characteristic-acquisition device, frequency-characteristic-acquisition method, and sound-signal-processing device A frequency-characteristic-acquisition device that inputs a time-stretched-pulse signal to a system to be measured and that acquires information about a frequency characteristic of the system on the basis of a signal output from the system is provided. The frequency... | 09/06/2011 |
| 7995768 | Sound reinforcement system A sound reinforcement system which enables handsfree and high-quality sound reinforcement without requiring a person who is speaking to move to a microphone or move a microphone. At least one microphone and a plurality of speakers are arranged in a room. A speaker o... | 08/09/2011 |
| 7965850 | Resonance frequency determining method, resonance frequency selecting method, and resonance frequency determining apparatus A resonant frequency characteristic in a resonant space is detected, based on a base amplitude frequency characteristic obtained by outputting a sound wave of a specified measurement signal from a speaker 13 disposed in a sound space 40 and by receivin... | 06/21/2011 |
| 7961893 | Measuring apparatus, measuring method, and sound signal processing apparatus A measuring apparatus that measures sound arrival delay time from a speaker to a microphone on the basis of a result obtained by collecting signals output from the speaker by means of the microphone includes: measuring means for measuring the sound arrival delay tim... | 06/14/2011 |
| 7961892 | Apparatus and method for monitoring speaker cone displacement in an audio speaker An apparatus for monitoring speaker cone displacement in an audio speaker includes: (a) an electromagnetic coil structure; (b) a ferrous core structure; the ferrous core structure and the electromagnetic coil structure being mounted with the speaker to effect variab... | 06/14/2011 |
| 7936886 | Speaker system to control directivity of a speaker unit using a plurality of microphones and a method thereof A speaker system to control directivity of a speaker unit using a plurality of microphones, and a method thereof. The method includes sensing through a plurality of channels a shock sound with an impulse pattern generated at a listening position and measuring delay ... | 05/03/2011 |
| 7933418 | Sound reproducing apparatus and method of identifying positions of speakers A position of a speaker is detected two-dimensionally or three-dimensionally, and a sound field is corrected. A sound reproducing apparatus includes a measuring signal generating portion for generating a first measuring signal, a transmission portion for transmittin... | 04/26/2011 |
| 7889872 | Device and method for integrating sound effect processing and active noise control A device and a method for integrating 3D sound effect processing and active noise control are proposed. A digital signal processor incorporates an artificial reverberator and a 3D spatial audio processor into an audio module. The audio signal is presented via an ear... | 02/15/2011 |
| 7885415 | Device and method for reducing sound of a noise source in narrow frequency ranges The present application relates to a sound reduction device as well as to a corresponding method. The sound reduction device comprises a sound pickup for measuring an occurring error signal of a primary sound wave of the noise source and of a secondary sound wave of... | 02/08/2011 |
| 7873172 | Modified volterra-wiener-hammerstein (MVWH) method for loudspeaker modeling and equalization A method and apparatus for adaptive precompensation is disclosed. In one embodiment, the method comprises modifying operation of a predistortion filter in response to previous predistorted values and an original input signal, determining a precompensation error betw... | 01/18/2011 |
| 7826622 | Constant-beamwidth loudspeaker array A loudspeaker is provided for receiving an incoming electrical signal and transmitting an acoustical signal that is directional and has a substantially constant beamwidth over a wide frequency range. The loudspeaker may include a curved mounting plate that has curva... | 11/02/2010 |
| 7792310 | Method and apparatus for automatically setting speaker mode in audio/video system A method and apparatus for automatically determining a characteristic of a speaker and automatically setting a speaker mode in an audio/video system. The method includes: detecting a current for operating the speaker by inputting a predetermined signal; measuring an... | 09/07/2010 |
| 7783054 | System for auralizing a loudspeaker in a monitoring room for any type of input signals The system comprises a loudspeaker simulation unit for simulating the transmission behavior of the loudspeaker and comprises a room simulation unit, which is connected in outgoing circuit to the loudspeaker simulation unit and which is provided for simulating the tr... | 08/24/2010 |
| 7769183 | System and method for automatic room acoustic correction in multi-channel audio environments A system and a method for correcting, simultaneously at multiple-listener positions, distortions introduced by the acoustical characteristics includes intelligently weighing the room acoustical responses to form a room acoustical correction filter. ... | 08/03/2010 |
| 7769184 | Apparatus and method for measuring sound field A sound field measurement apparatus includes a signal generating unit for outputting a burst signal, a driving unit for driving a speaker using the burst signal, a microphone for picking up an audio output from the speaker, an analog-digital converter for performing... | 08/03/2010 |
| 7764796 | Signal strength information dependent control of small electrodynamic transducers in audio systems A control circuit for a signal strength information dependant frequency response adaptation of an audio signal for an electrodynamic transducer, with a signal strength information determinator for determining a signal strength information according to a level of the... | 07/27/2010 |
| 7764797 | Speaker driving device and audio output system The present invention detects whether the supply voltage applied to the power supply terminal (3) is used for the dynamic speaker or for the piezoelectric speaker by the power supply voltage detection circuit (10), switches the gain of the amplifier ci... | 07/27/2010 |
| 7756275 | Dynamically controlled digital audio signal processor A system and method for processing multiple channel audio signals to create a realistic soundscape in a space largely independent of the number of loudspeakers and audio source channels is provided. The system includes an encoding system in the recording process and... | 07/13/2010 |
| 7702114 | High efficiency audio transducer A transducer (1) for producing sound in response to an electrical signal comprises an actuator (2) with a magnet (4) and a coil (5), and a vibration surface (3), for example a loudspeaker cone. The actuator and the vibration surfac... | 04/20/2010 |
| 7680284 | Apparatus and method for controlling operation of audio low sound output means The present invention is related to an apparatus and a method for controlling operations of low sound output in an audio system. Embodiments of an apparatus and a method for controlling an operation of an audio woofer in a machine provided with an audio system such ... | 03/16/2010 |
| 7676044 | Multi-speaker audio system and automatic control method A sound produced at the location of a listener is captured by a microphone in each of a plurality of speaker devices. A sever apparatus receives an audio signal of the captured sound from all speaker devices, and calculates a distance difference between the distance... | 03/09/2010 |
| 7602923 | Electro acoustic system built-in test and calibration method An electro acoustic system built-in test and calibration method utilizes a built-in self-test module to send a test signal through a first circuit device to an audio transmitter, causing the audio transmitter to output a test signal, for enabling the test signal to ... | 10/13/2009 |
| 7526093 | System for configuring audio system A system is provided for configuring an audio system for a given space. The system may statistically analyze potential configurations of the audio system to configure the audio system. The potential configurations may include positions of the loudspeakers, numbers o... | 04/28/2009 |
| 7489784 | Automatic sound field correcting device and computer program therefor An automatic sound field correcting device executes a signal process to the plurality of audio signals on respective correspondent signal transmission paths, and outputs them to a plurality of correspondent speakers to correct sound characteristics on the respective... | 02/10/2009 |
| 7477750 | Signal delay time measurement device and computer program therefor A signal delay time measurement device outputs, to a sound space, a measurement signal sound corresponding to a measurement signal such as a pulse signal, and obtains a response signal indicating a response thereof. By comparing the response signal with a predetermi... | 01/13/2009 |
| 7474752 | Audio frequency range adaptation To improve the reproduction of audio signals, the signal components of a selected audio frequency range (1) of an audio signal are concentrated in a narrower audio frequency range (II). This is achieved by detecting first signal components in the first audio ... | 01/06/2009 |
| 7454022 | Multi-mode ambient soundstage system A multi-mode sound reproduction device is disclosed including a direct radiation sound device, a diffuse radiation sound device and a selection device in signal communication with both the direct radiation sound device and diffuse radiation sound device, the selecti... | 11/18/2008 |
| 7372966 | System for limiting loudspeaker displacement Loudspeakers can be damaged by high drive signals. One reason for this damage is an excess vibration displacement of the coil-diaphragm assembly. This invention describes a novel method for limiting this displacement by a signal processor. In the present invention, ... | 05/13/2008 |
| 7369185 | Broadcast receiving apparatus and method having volume control A receiving apparatus includes a receiving unit configured to receive a signal including a program, an acquiring unit configured to acquire information representing a category of the program received by the receiving unit, a volume data generating unit configured to... | 05/06/2008 |
| 7366577 | Programmable analog input/output integrated circuit system The programmable analog input/output integrated circuit system includes a plurality of integrated circuit pins, an analog input/output circuit, a control module, and a switching module. The analog input/output circuit is coupled to the plurality of pins and determin... | 04/29/2008 |
| 7362871 | Audio amplifier circuit and audio IC having the same In the present invention, in parallel with a resistor which determines an amplification rate being fed back from an output to an input of an output stage OP amp in an audio amplifier circuit, providing a first diodes connected bi-directionally together with a first ... | 04/22/2008 |
| 7359519 | Method and apparatus for compensating for nonlinear distortion of speaker system A method and an apparatus for compensating for nonlinear distortion are provided to divide audio signals reproduced in a nonlinear speaker system into linear and nonlinear components in a time domain and a frequency domain, and then generate inversely-corrected sign... | 04/15/2008 |
