| Patent Number |
Title Of Patent |
Date Issued |
| 7606526 |
Method and apparatus for providing digital media player with portable digital radio broadcast sy |
October 20, 2009 |
| A portable media player for receiving and storing a satellite digital audio radio service (SDARS) content stream is provided. Also provided are associated devices such as an integrated antenna and docking station, an SDARS receiver module for detachable connection to a player, digital |
| 7555020 |
Method and apparatus for employing stored content at receivers to improve efficiency of broadcas |
June 30, 2009 |
| The invention relates generally to a receiver unit in a digital broadcast system for receiving a broadcast signal comprising content segments and control data, and generating an output signal using the content segments and previously stored content segments. The previously stored content |
| 7505745 |
Interoperable satellite digital audio radio service (SDARS) receiver architecture |
March 17, 2009 |
| An interoperable receiver adapted to receive signals in multiple SDARS bands. The advantageous operation is afforded by the design of the receiver by which an entire band consisting of multiple carriers is received at one time. Receipt and processing of each SDARS band signals is the |
| 7454166 |
System and method for providing recording and playback of digital media content |
November 18, 2008 |
| A system and method for time-shifting a live broadcast, and facilitating the purchase of live or time-shifted broadcast content. The device records broadcast content being listened to by user, which gives the user the option to replay content. The device and method also provides a pr |
| 7447171 |
Antenna diversity system |
November 4, 2008 |
| A system (100) for combining satellite and terrestrial signals from spatially diverse antennas (102 and 104) includes a tuner (101) and at least first and second analog to digital converters (103, 105) for converting at least two among the plurality of satellite signals and the terre |
| 7406311 |
Method and apparatus for selectively operating satellites in tundra orbits |
July 29, 2008 |
| A satellite system provides geosynchronous satellites in elliptical orbits in respective elliptical orbital planes separated by 120 degrees. The satellites traverse a common figure-eight ground track comprising northern and southern loops. The satellites are controllably switched to |
| 7274327 |
Method and apparatus for determining location in a satellite communication system |
September 25, 2007 |
| A receiver unit (400) capable of determining its approximate location using a first and a second satellite transmission source (12 & 14) and, a first terrestrial transmission source (18) includes a receiver (402) and decoder (450) for receiving and decoding a first synchronization pulse |
| 7269125 |
Method and apparatus for timing recovery in an OFDM system |
September 11, 2007 |
| A method (500) for timing recovery in an orthogonal frequency division multiplexing (OFDM) system includes the steps of detecting (502) a lack of a synchronization symbol and determining (504) a timing offset from calculating the average group delay across the subcarriers over multiple |
| 7263329 |
Method and apparatus for navigating, previewing and selecting broadband channels via a receiving |
August 28, 2007 |
| A radio receiver and method of controlling the same are provided for use in a digital digital audio radio services system. An improved user interface takes advantage of ancillary data transmitted with a digital broadcast signal to contemporaneously display song titles, artist names, |
| 7260356 |
Method and apparatus for wirelessly coupling a source signal to a radio frequency receiver |
August 21, 2007 |
| A digital audio system (20) can include a receiver (24) coupled to an RF modulator (30), a source signal modulated by the RF modulator to provide a modulated signal, and an external antenna (32) for receiving the source signal and for transmitting the modulated signal. The receiver can b |
| 7251281 |
Method and apparatus for continuous cross-channel interleaving |
July 31, 2007 |
| A method of interleaving data for transmission is provided wherein first and second interleaving patterns for arranging data symbols in a source data stream into first and second transmitted data streams are selected. Each of said data symbols has at least one bit. The first and second |
| 7248152 |
Automatic on/off switch for vehicle power outlets |
July 24, 2007 |
| A vehicle power outlet switch (10) can include a threshold detector (14) for comparing a predetermined threshold with a vehicle battery characteristic and a power switch (18) controlled by the output of the threshold detector. Note, the vehicle battery characteristic differs while th |
| 7180917 |
Method and apparatus for employing stored content at receivers to improve efficiency of broadcas |
February 20, 2007 |
| The invention relates generally to a receiver unit in a digital broadcast system for receiving a broadcast signal comprising content segments and control data, and generating an output signal using the content segments and previously stored content segments. The previously stored content |
| 7136640 |
Method and apparatus for selectively operating satellites in tundra orbits |
November 14, 2006 |
| A satellite system provides geosynchronous satellites in tundra orbits in respective elliptical orbital planes separated by 120 degrees. The satellites traverse a common figure-eight ground track comprising northern and southern loops. The satellites are controllably switched to oper |
| 7123875 |
System and method for multipoint distribution of satellite digital audio radio service |
October 17, 2006 |
| A satellite digital audio radio service multipoint distribution system and method. The system comprises a satellite antenna and a satellite receiver for receiving a satellite digital audio radio signal and distributing a converted signal in response thereto. The distributed signal is rec |
| 7075946 |
Method and apparatus for audio output combining |
July 11, 2006 |
| A receiver unit (500) capable of combining a plurality of streaming data channels includes a receiver and a channel decoder (510) for receiving over the air in a time division multiplex signal the plurality of streaming data channels. The receiver unit further includes at least one d |
| 7058086 |
Method and apparatus for concatenated convolutional encoding and interleaving |
June 6, 2006 |
| A method and apparatus encode a source data stream via convolutional encoding. One or more encoded data streams are interleaved and transmitted on one or more transmission channels. Data groups generated via convolutional encoding are interleaved via time-interleaving functions to di |
| 7035628 |
Method and apparatus for content blocking |
April 25, 2006 |
| A method of disabling at least a portion of one of a plurality of channels in a digital audio radio system includes the steps of receiving (702) a digitally encoded bit stream over-the-air on the plurality of channels and decoding (704) a selected channel among the plurality of channels. |
| 7020217 |
Satellite digital audio radio receiver with instant replay capability |
March 28, 2006 |
| A receiver adapted to receive a transmitted signal and provide a replay capability in response thereto. The inventive receiver includes the medium (electronic or physical) for storing at least a portion of the received signal. In accordance with present teachings, the inventive recei |
| 7010263 |
System and method for distributing music and data |
March 7, 2006 |
| A system and method for distributing music and data. The music or data is first transmitted to a consumer via a satellite radio network. The system includes a satellite radio receiver for the user which is capable of receiving the wireless transmission and providing an audio and/or visua |
| 6970565 |
Apparatus for and method of securely downloading and installing a program patch in a processing |
November 29, 2005 |
| A novel and useful apparatus for and method of securely downloading and installing a patch program in a processing device. Each processing device is assigned a unique key embedded therein during manufacture and has knowledge of a shared key. The program patch is encrypted using the share |
| 6876835 |
Method and apparatus for providing on-demand access of stored content at a receiver in a digital |
April 5, 2005 |
| A receiver in a digital broadcast system is provided for storing broadcast content files for on-demand playback purposes. The content files are transmitted in a partitioned format. Users can select which content files are to be captured in a memory device following reception. The receive |
| 6834156 |
Method and apparatus for controlling user access and decryption of locally stored content at rec |
December 21, 2004 |
| The invention relates generally to a receiver unit in a digital broadcast system for receiving a broadcast signal comprising content segments and control data, and generating an output signal using the content segments and previously stored content segments at the receiver. The previousl |
| 6823169 |
Low cost interoperable satellite digital audio radio service (SDARS) receiver architecture |
November 23, 2004 |
| A system and method for simultaneously receiving first and second ensembles. The first ensemble includes a first signal from a first satellite, a first signal from a second satellite and a first signal from a terrestrial repeater. Likewise, the second ensemble includes a second signa |
| 6810233 |
System for providing signals from an auxiliary audio source to a radio receiver using a wireless |
October 26, 2004 |
| An apparatus and method are provided for transmitting audio signals from an auxiliary source such as a satellite broadcast receiver or a CD or cassette player to a radio receiver located, for example, in a vehicle, using a wireless link. The apparatus comprises a scanning device for |
| 6806838 |
Combination satellite and terrestrial antenna |
October 19, 2004 |
| A combined antenna system used for both vehicles and structures, whereby a satellite antenna is placed concentrically around a conventional mast antenna that can be used for both conventional FM radio and also terrestrial retransmission of the satellite broadcast signals. The combine |
| 6785656 |
Method and apparatus for digital audio playback using local stored content |
August 31, 2004 |
| A device (100) for receiving, storing and playing back digital audio radio signals comprises a receiver (203), a decoder (502 and/or 504), a user input (516), a storage medium (510) coupled to the decoder, and a system controller (508) coupled to the user input. The receiver receives a |
| 6735416 |
Receiver architecture for SDARS full band signal reception having an analog conversion to baseba |
May 11, 2004 |
| A receiver adapted to receive a signal having at least first and second carrier frequencies on which first and second information signals are modulated, respectively. The inventive receiver further includes circuitry for converting the received signal to a complex baseband signal. In the |
| 6724827 |
Low cost interoperable satellite digital audio radio service (SDARS) receiver adapted to receive |
April 20, 2004 |
| A communications system and method in which first and second carrier frequencies are transmitted from a first transmitter. The first carrier frequency is at a first low end of a band and the second carrier is at a second higher end of the band. Third and fourth carrier frequencies are |
| 6686882 |
Apparatus and method for transferring DC power and RF energy through a dielectric for antenna re |
February 3, 2004 |
| An antenna system is provided which employs RF and DC coupling across a dielectric. RF coupling is achieved using low cost and low loss RF coupler pairs such as quarterwave patches that are mounted opposite each other on either side of a dielectric. The feeds of the patches are aligned s |
| 6686880 |
Method and apparatus for prompting a reverse channel response from receiver in a digital broadca |
February 3, 2004 |
| The invention relates generally to a digital broadcast system and receivers therein which are configured to allow the use of a reverse channel for transmitting responses to broadcast messages. The digital broadcast system is configured to receive requests for information from a mobile pl |
| 6640085 |
Electronically steerable antenna array using user-specified location data for maximum signal rec |
October 28, 2003 |
| An apparatus and method are provided for adjusting the gain characteristics of an antenna array in accordance with elevation angle with respect to a satellite for optimum signal reception. The antenna elements of the antenna array are electronically steered in accordance with stored ante |
| 6621458 |
Combination linearly polarized and quadrifilar antenna sharing a common ground plane |
September 16, 2003 |
| A combination linearly polarized antenna and quadrifilar helix antenna (30) comprises a flexible substrate (50), a quadrifilar antenna (33) with a feed network (34) etched on a first portion of the flexible substrate, an antenna with linear polarization (35) etched on a second portion of |
| 6614767 |
Method and apparatus for continuous cross-channel interleaving |
September 2, 2003 |
| A method of interleaving data for transmission is provided wherein first and second interleaving patterns for arranging data symbols in a source data stream into first and second transmitted data streams are selected. Each of said data symbols has at least one bit. The first and second |
| 6564003 |
Method and apparatus for composite data stream storage and playback |
May 13, 2003 |
| A composite data stream is stored on a data storage medium. The composite data stream comprises a plurality of program channels to provide services such as satellite digital audio radio service (SDARS), among others. The program channels are multiplexed into the composite data stream, wh |
| 6563805 |
Digital radio prepaid music recording system |
May 13, 2003 |
| A device for prepaid recording of digital audio signals. In a system where digital radio signals are received in an encoded format, a digital converter that is enabled by a smartcard module is employed to convert encoded digital signals to decoded digital signals for recording onto a |
| 6553077 |
Method and apparatus for customized selection of audio channels |
April 22, 2003 |
| A method (700) of customizing the selection of channels among a plurality of channels includes the steps of receiving (702) a digitally encoded bit stream over-the-air on the plurality of channels and decoding (704) a selected channel among the plurality of channels. The method further |
| 6549774 |
Digital audio service satellite receiver having switchable operating modes for stationary or mob |
April 15, 2003 |
| A satellite receiver is switchable between an operating mode wherein the receiver is capable of generating an output signal using received signals from one or a plurality of satellites, aid another operating mode wherein the receiver generates an output signal using signals received from |
| 6538609 |
Glass-mountable antenna system with DC and RF coupling |
March 25, 2003 |
| A vehicle antenna mounting system whereby the antenna, associated antenna electronics (e.g., LNA) and RF and DC coupling are provided in an integral antenna assembly for installation on the exterior of a vehicle. The integral antenna assembly comprises a base section enclosing the as |
| 6535179 |
Drooping helix antenna |
March 18, 2003 |
| A drooping quadrifilar helix antenna includes first, second, third, and fourth radiating elements (42, 44, 46, and 48 respectively) of conductive material, each element extending in a first direction in a first plane and at least one of the radiating elements having a portion (47) thereo |
| 6510317 |
Satellite digital audio radio service tuner architecture for reception of satellite and terrestr |
January 21, 2003 |
| A satellite digital audio radio receiver system and method. The inventive receiver includes a circuit for down-converting a first ensemble in a received combined signal in a first mode of operation and for down-converting a second ensemble from the received combined signal in a secon |
| 6493546 |
System for providing signals from an auxiliary audio source to a radio receiver using a wireless |
December 10, 2002 |
| An apparatus and method are provided for transmitting audio signals from an auxiliary source such as a satellite broadcast receiver or a CD or cassette player to a radio receiver located, for example, in a vehicle, using a wireless link. The apparatus comprises a scanning device for |
| 6483471 |
Combination linearly polarized and quadrifilar antenna |
November 19, 2002 |
| A combination linearly polarized antenna and quadrifilar helix antenna (40) includes a quadrifilar antenna (49) having a first coaxial cable (46) and an antenna with linear polarization (44) external to the quadrifilar antenna and having a second coaxial cable (42). A center conductor of |
| 6442385 |
Method and apparatus for selectively operating satellites in tundra orbits to reduce receiver bu |
August 27, 2002 |
| A time diversity satellite system provides geosynchronous satellites in tundra orbits in three orbital planes. The satellites traverse a common figure-eight ground track comprising northern and southern loops. Power modes and early and late operating modes of the satellites are selective |
| 6421020 |
Vehicle antenna assembly for receiving satellite broadcast signals |
July 16, 2002 |
| An apparatus, system and method for providing audio broadcast signals received from a satellite to a satellite radio receiver. A window clip having an integral transmission line is mounted on the edge of a vehicle window. The interior end of the transmission line is connected to the |
| 6397076 |
Method and apparatus for dispatch communications in a broadcast radio system |
May 28, 2002 |
| A method and apparatus for receiving dispatch messages in a broadcast radio receiver. In one embodiment, audio dispatch messages can be received, in another embodiment, data dispatch messages can be received. In either embodiment, a previously selected broadcast channel is received until |
| 6347216 |
Method and system for providing geographic specific services in a satellite communications netwo |
February 12, 2002 |
| A method and apparatus for communicating geographic specific services to a receiver in a satellite communications network by utilizing location identification information included in a composite signal transmitted by a terrestrial repeater. A terrestrial repeater receives from a satellit |
| 6295033 |
Vehicle antenna assembly for receiving satellite broadcast signals |
September 25, 2001 |
| An apparatus, system and method for providing audio broadcast signals received from a satellite to a satellite radio receiver. A window clip having an integral transmission line is mounted on the edge of a vehicle window. The interior end of the transmission line is connected to the |
| 6272328 |
System for providing audio signals from an auxiliary audio source to a radio receiver via a DC p |
August 7, 2001 |
| A system is provided for detecting the presence of an FM-modulated audio signal from an auxiliary source, and operating a switch to provide that audio signal to a tuner in lieu of the radio frequency signal received at the tuner antenna. The tuner can be a vehicle tuner. The system also |
| 6232926 |
Dual coupled vehicle glass mount antenna system |
May 15, 2001 |
| A dual coupled vehicle glass mount antenna system and method. The inventive system is adapted for operation through any suitable partition, such as an automobile windshield, and comprises an antenna mounted on a first side of the partition for receiving a signal and a first circuit conne |
