Bizarre Patents
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.
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.
| Number | Title | Issue Date |
| 7440750 | Signal routing for reduced power consumption in a conferencing system A technique is provided for reducing power consumption of an internally powered console in an audio system through frequency based signal routing. A system employing the technique includes a base unit having an interface for receiving a signal representative of acou... | 10/21/2008 |
| 7369906 | Digital audio signal processing A digital audio processor comprises at least one digital audio sample mapping module and produces a sequence of output digital audio sample values by applying a quasi time-invariant transfer function to each input digital audio sample value, the transfer function be... | 05/06/2008 |
| 7257384 | Methods and apparatus for detecting the envelope of RF power signals Apparatus for detecting the envelope of an RF signal that comprises an RF transistor operating essentially at a non-linear operating point at the RF frequency range; a DC power supply for feeding the RF transistor; a dummy load for terminating the output of the RF t... | 08/14/2007 |
| 7245891 | Wireless mobile communication device having a speaker vibration alert and method of using same A mobile wireless communication device has a speaker that functions as a vibration alert in addition to an audio output device. The speaker is selected from a group of speakers having variation in mechanical vibration resonant frequency. A drive signal sweeps back a... | 07/17/2007 |
| 7215784 | Programmable audio system for automotive vehicles A system and method is disclosed for improving the audible output of a vehicle radio based upon the particular type of vehicle in which the radio is installed. A vehicle radio includes a data table, which is accessible by a radio controller. The data table stores a ... | 05/08/2007 |
| 7196257 | Computer aided piano voicing The present invention discloses a method for determining an optimal piano hammer felt voicing technique for voicing an unvoiced tone in a piano so as to achieve a predetermined standard of tonal quality associated with a given voiced tone using a computer program. T... | 03/27/2007 |
| 7184558 | Volume controller A volume controller for controlling volume balance between a front speaker and a rear speaker located within a vehicle, includes a fade volume computing unit for computing an amplifying factor k1 of an input signal for providing an increased volume at the rea... | 02/27/2007 |
| 7155324 | Apparatus and method for programming motor vehicle electronic control units Methods and apparatuses are provided for programming a plurality of Electronic Central Units (ECUs) for controlling devices in a motor vehicle. A host module positioned within the vehicle is coupled to each of the ECUs. The host module stores the software programs t... | 12/26/2006 |
| 7117021 | Bluetooth cassette-like device for a hands-free cell-phone kit A hands-free kit for cell-phones combines the wireless capabilities of Bluetooth and the sound and visual functionalities of a tape player. A device that has a shape of a conventional magnetic cassette comprises a Bluetooth module. The module automatically detects a... | 10/03/2006 |
| 7106809 | AM/FM/IBOC receiver architecture An RF receiver operates to receive broadcast RF signals that include at least one of an analog portion and a digital portion. The RF receiver performs processing of the analog portion and/or the digital portion to generate a digital path signal. The RF receiver perf... | 09/12/2006 |
| 7096081 | Method of implementing a variable number of filter sections for digital signal processing A DSP-based equalization system which uses a jump and lookup table stored in volatile memory to execute a variable number of equalization structures stored in nonvolatile memory for the equalization of a data signal. The system and method of design provide minimal n... | 08/22/2006 |
| 7092530 | Motor vehicle audio system A motor vehicle audio system having an audio signal receiver, an amplifier connected thereto via a fiber optic cable and a loudspeaker. A separate amplifier is provided for low audio signals. The amplifier is provided with a substantially higher line voltage when co... | 08/15/2006 |
| 7086050 | Updating computer files A computer file update triggering technique uses tags embedded within e-mail messages sent to connected computers to indicate the existence of an updated version of a computer file to those connected computers. The connected computers may then automatically download... | 08/01/2006 |
| 7046999 | Half-duplex wireless audio communication system A wireless communication system that transmits content signals and remote control signals between a content retention and distribution system and a content reproduction terminal over a half-duplex channel such as an RF channel having the same frequency band. The wir... | 05/16/2006 |
| 6647327 | System and method for data exchange in a vehicle multimedia system In a multimedia system for a vehicle, a plurality of multimedia units are connected to one another by an optical bus laid as a ring line. An interface unit, situated at an arbitrary point in the ring line or integrated into one of the multimedia units est... | 11/11/2003 |
| 6411866 | Digital transmission and control system for vehicles A digital transmission system for replacing complex, many-wire, analog system in transportation and construction vehicles includes a uni-directional or bi-directional signal bus structure and a optional power bus structure. The signal bus structure is com... | 06/25/2002 |
| 6301490 | Audio headset communication apparatus and method An audio communications system enables a person using an stereophonic audio headset to selectively communicate simultaneously with two or more persons. The system includes a headset having a first earphone for reproducing a first voice communication in re... | 10/09/2001 |
| 5983087 | Distributed digital signal processing for vehicle audio systems A radio with a tuner and other program sources uses a digital signal processor (DSP) to enhance the audio signal and to generate a stream of digital data including audio data and control data corresponding to loudness functions. A fiber optic data link co... | 11/09/1999 |
| 5970155 | Headset for hearing protectors The invention relates to a headset (1) for a hearing protector provided with a padding part (12) having an essentially elliptical ear opening (18). The headset comprises a microphone (2), an earphone (3), and conducting wires (7) for bringing signals to t... | 10/19/1999 |
| 5781850 | Live voice device for cellular phones particularly operable in combination with radio receiver apparatus in motor vehicles Subject-matter of this invention is a live voice device particularly for cellular telephone apparatus for use in motor vehicles equipped with a radio receiver apparatus including a low frequency power amplification section and a loudspeaker system for dif... | 07/14/1998 |
| 5471659 | Dual radio A combination radio (10) is provided for enabling the user to listen to two independent radio stations at one time. Alternatively, the combination radio (10) can be tuned into the same radio frequency to allow the user to combine the sound output from eac... | 11/28/1995 |
| 5179719 | Programmable signal reception system Carrier frequencies different in frequency from each other are modulated with broadcast signals different from each other, and the thus modulated signals are transmitted through a single transmission line and are suited for reception and demodulation. A p... | 01/12/1993 |
| 5081669 | Assignable speakers for channels at a trunked console operator position A console speaker assignment system that is self-prompting and which allows speaker assignment to be changed without interrupting the reception of audio signals or without interrupting normal console operation.... | 01/14/1992 |
| 4389639 | Voice warning device using entertainment speaker A device for producing a voice warning over a speaker which is also used with an entertainment sound production system such as a radio or cassette recorder. The voice warning device incorporates a switching device in the circuit between the speaker and a ... | 06/21/1983 |
