Bizarre Patents
Decorative Jeweled Wheel Cover
An improved wheel is provided wherein decorative items such as gem stones are embedded in either the wheel surface, a special mounting section attached to the wheel surface, or to a spoke strap that wraps around each spoke and positions embedded gem stones on the outside surface of the spoke.
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| Number | Title | Issue Date |
| 8098830 | Method and apparatus for reducing noise in an audio signal A technique for reducing inherent noise in a real time digital audio wireless system. The technique allows for low power stereo analog to digital and digital to analog converters to be used in a battery operated real time digital audio wireless applications. The aud... | 01/17/2012 |
| 7437299 | Coding of stereo signals A method of encoding a multichannel signal, such as a stereophonic audio signal, including at least first and second signal components includes transforming at least the first and second signal components by a predetermined transformation into a principal signal inc... | 10/14/2008 |
| 7359522 | Coding of stereo signals A method of encoding a multi-channel signal having first and second signal components includes determining a set of filter parameters a prediction filter such that the prediction filter provides an estimate of the second signal component when receiving the first sig... | 04/15/2008 |
| 7359528 | Monitoring of video or audio based on in-band and out-of-band data The presently claimed invention relates generally to monitoring and/or filtering video or audio data. In one implementation a method is provided including: obtaining data representing video or audio; analyzing the data representing video or audio for an in-band sign... | 04/15/2008 |
| 7340265 | Method and apparatus for transient frequency distortion compensation Transient distortion is compensated for by multiplying an exponentially-decaying phase shift onto the distorted waveform. The exponentially decaying phase shift waveform is patterned after the transient which typically takes the form of an exponential and occurs upo... | 03/04/2008 |
| 7260368 | Linear amplification with non-linear components (LINC) modulator and method for generating out-phased signals for a LINC transmitter Embodiments of a linear amplification with non-linear components (LINC) modulator and method for generating out-phased signals for a LINC transmitter are generally disclosed. ... | 08/21/2007 |
| 7191507 | Method of producing a wireless communication device A method for manufacturing wireless communication devices for use in tracking or identifying other items comprises a number of cutting techniques that allow the size of the antenna for the wireless communication device. Further, the chip for the wireless communicati... | 03/20/2007 |
| 7181022 | Audio watermarking to convey auxiliary information, and media embodying same Methods of processing audio to convey auxiliary information therein without audible evidence of data alteration. Various arrangements are disclosed. One receives plural bit auxiliary data in which the auxiliary information is included, and modulates a carrier signal... | 02/20/2007 |
| 7149312 | Method and device to retrieve RDS information To retrieve RDS information by filtering and transforming an incoming multiplex signal (m(t)) into a RDS baseband signal, an amplitude modulated RDS signal (ma(t), mc(t)) is derived on basis of an intermediate signal (ma(t)) obtained... | 12/12/2006 |
| 7098850 | Grounded antenna for a wireless communication device and method A wireless communication device includes an antenna for wireless communication with a remote interrogator. Several embodiments are disclosed to increase the options available to designers of wireless communication devices. In some embodiments, the antenna is a quart... | 08/29/2006 |
| 7092460 | Digital stereo demultiplexer In a stereo demultiplexer receiving a frequency demodulated stereo-multiplex signal (m(t)) which comprises at least a stereo-difference signal (md(t)), a stereo-sum signal (ms(t)) and a pilot carrier, a PLL-circuit (4) to recover the pil... | 08/15/2006 |
| 7082201 | Three-dimensional sound reproducing apparatus and a three-dimensional sound reproduction method A three-dimensional sound reproducing apparatus is configured by cascading a sound field effect adding unit and a crosstalk canceling unit. The sound field effect adding unit adds a predetermined three-dimensional sound field effect to an input audio signal, thereby... | 07/25/2006 |
| 7076068 | Three-dimensional sound reproducing apparatus and a three-dimensional sound reproduction method A three-dimensional sound reproducing apparatus is configured by cascading a sound field effect adding unit and a crosstalk canceling unit. The sound field effect adding unit adds a predetermined three-dimensional sound field effect to an input audio signal, thereby... | 07/11/2006 |
| 7058373 | Hybrid switched mode/linear power amplifier power supply for use in polar transmitter In one aspect this invention provides a DC-DC converter that has a switch mode part for coupling between a DC source and a load, the switch mode part providing x amount of output power; and that further has a linear mode part coupled in parallel with the switch mode... | 06/06/2006 |
| 7012979 | Tone signal detection circuit for detecting tone signals Tone signal detection circuit for a receiving circuit for detecting at least one tone signal of predetermined tone signal frequency (fE) which is contained in a received analog input signal, comprising a reference signal generator (41) for generati... | 03/14/2006 |
| 6954534 | Multiple signal carrier transmission apparatus and method A multiple signal carrier transmission apparatus and method for broadcasting stereo sounds to an audio output device uses three related carrier frequencies on which are modulated the sum of first and second stereo channel signals and the first and second stereo chan... | 10/11/2005 |
| 6570500 | Infra-sound surveillance system The invention is a method for monitoring an environment by evaluating an infrasonic signal obtained from said environment. The method includes averaging said infrasonic signal (Vinfra) to provide an averaged infrasonic signal (Vav), ... | 05/27/2003 |
| 6544122 | Background-sound control system for a video game apparatus A background-sound control apparatus, a background-sound control method, readable recording medium containing a background-sound control program, and a video game apparatus improve effectiveness of background-sound data provided over a predetermined numbe... | 04/08/2003 |
| 5915028 | Amplitude demodulator An amplitude demodulator for demodulating a quadrature-amplitude modulated stereo signal for radio receivers, where a digital intermediate-frequency signal is constructed from a received signal, the intermediate-frequency signal is converted into a baseba... | 06/22/1999 |
| 5815532 | Method and apparatus for peak-to-average ratio control in an amplitude modulation paging transmitter A method and apparatus for reducing peak-to-average power ratio in a paging transmitter broadcasting an independent sideband amplitude modulation protocol is disclosed. A digital signal, for example a digital voice signal, is provided to a control gain ge... | 09/29/1998 |
| 5668923 | Voice messaging system and method making efficient use of orthogonal modulation components A modulation scheme (600) useful in a voice paging system in which both of two orthogonal modulation components (500 and 510) are used to carry two halves of a single voice message destined for a receiver, or two separate voice messages for a receiver. Th... | 09/16/1997 |
| 5610579 | Apparatus and method for selecting a control source for an electrical switching device A controller for an electrical switching device such as a motor starting contactor including separable contacts, an operating mechanism for operating the separable contacts and a control mechanism responsive to a plurality of control sources for controlli... | 03/11/1997 |
| 5561716 | Demodulator In a demodulator for a stereo signal transmitted by amplitude and phase modulation of a carrier, a phase signal and a quantity signal are formed. By multiplication of the quantity signal with the tangent of the phase signal reduced by a value to be preset... | 10/01/1996 |
| 5343534 | Sequential audio switcher A two channel audio switcher includes two analog switches, which may be implemented as a CMOS integrated circuit, receiving at their control input ports a complementary pair of drive signals, typically square wave, so as to toggle their outputs at a super... | 08/30/1994 |
| 4955072 | Method of generating an amplitude-modulated ISB transmission signal and apparatus for carrying out the method In the case of a method for the generation of an amplitude-modulated ISB transmission signal from different AF signal (NF1,2), the signal vectors are split into signal components (x1,y1 and x2,y2, respectively), components sums (X,Y) are formed from the s... | 09/04/1990 |
| 4850020 | Asymmetrical sideband AM stereo transmission Asymmetrical sideband amplitude modulation (AM) stereo transmission apparatus which transmits left (L) plus right (R) stereo information (L+R) in one stereo channel and a signal including L-R stereo information in a second stereo channel. Benefits include... | 07/18/1989 |
| 4769842 | Asymmetrical sideband transmission with pseudo-stereo effects An improved asymmetrical sideband amplitude modulation (AM) transmitter is provided wherein the resulting transmitted signal produces a pleasing pseudo-stereo effect when received by a stereo receiver of the type designed to receive symmetrical sideband, ... | 09/06/1988 |
| 4716590 | AM stereo transmission method and apparatus This invention discloses an AM stereo transmission method characterized in that when left and right audio signals L and R are transmitted as an AM stereo signal which is represented by S=A cos(ωt+$c;) wherein A denotes an amplitude, ω a carrier angul... | 12/29/1987 |
| 4688255 | Compatible AM broadcast/data transmisison system A system for transmitting a composite signal comprising a data transmission signal component and an AM broadcast signal component. The broadcast signal component may be monophonic or stereophonic. The level of the data signal component is made a function ... | 08/18/1987 |
| 4680794 | AM stereo system with modified spectrum The correction signal of the AM stereo system is filtered through a lowpass filter thus providing compatible signals at all normal modulation levels and frequencies, but allowing the signal to become pure quadrature at high frequency, high modulation leve... | 07/14/1987 |
| 4679238 | Method and system for signalling additional information by AM medium wave broadcasting To permit transmission of traffic information by amplitude modulation in the medium wave band without disturbing audio signals being broadcast, a stereo pilot tone of frequency fpt below audible range is generated, as well as first and second s... | 07/07/1987 |
| 4679239 | Apparatus and method for processing stereo signals for application to an AM stereo broadcasting unit In a system for processing stereo signals prior to application to an AM stereo channel information, the signals prior to broadcasting left channel and right channel automatic gain controllers are specially (L+R) gain controlled to maintain monaural loudne... | 07/07/1987 |
| 4638503 | Fully compatible AM stereophonic transmitting system A stereophonic transmitting system is disclosed for transmitting in quadrature a single carrier signal carrying first and second signals. The transmitting system comprises a phase shifter or modulator for phase shifting a carrier signal of a frequency fc ... | 01/20/1987 |
| 4638504 | Independent channel modulation system for AM stereo An apparatus for modulating signals for use in AM stereo transmission having left and right signal inputs feeding respective inverted and non-inverted inphase modulators and respective inverted and non-inverted quadrature modulators. The inverted and non-... | 01/20/1987 |
| 4593402 | AM stereo transmitter An AM stereo transmitter with bandwidth limiting utilizes the detection of high frequency energy in the modulating signal to control the difference channel input to the stereo encoder.... | 06/03/1986 |
| 4589127 | Independent sideband AM multiphonic system An improved transmitter for a compatible independent sideband (ISB) AM stereo system develops a phase modulated carrier where the modulation represents the stereo difference signal inverse modulated by the stereo sum signal in accordance with a selected m... | 05/13/1986 |
| 4569073 | Asymmetrical sideband transmission An amplitude modulated radio transmission system is described which is compatible with conventional AM receivers. The transmitted signal comprises a carrier and two unequal amplitude sidebands. This signal can be received by receivers that are tuned to th... | 02/04/1986 |
| 4520498 | AM Stereo modulator An AM stereo modulator is disclosed which includes a limiter responsive to first and second audio signals for providing first and second equally limited amplitude limited signals. A quadrature amplitude modulator responds to the first and second amplitude... | 05/28/1985 |
| 4510614 | Predistorted AM stereo transmission A method for generating a compatible AM quadrature stereo wave by delivering a modulated carrier with in-phase sidebands generated by a first combination of two signals, and quadrature sidebands generated by a second combination of the signals, the in-pha... | 04/09/1985 |
| 4489411 | Process and a circuit arrangement for signal transmission using an amplitude-modulated radio broadcasting system For the simplified text or picture data signal transmission through a broadcasting system, an additional phase and/or frequency modulation is produced in amplitude modulated transmitters. In a preferred but relative slow transmission system, a frequency m... | 12/18/1984 |
