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"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 8175557 | Processing received digital data signals based on a received digital data format An integrated circuit radio receiver includes radio frequency (“RF”) front-end circuitry to receive a wireless signal and to produce digital data. The integrated circuit radio receiver includes a baseband processor is operable to process the digital data, in whi... | 05/08/2012 |
| 8150344 | Method and system of planning a wireless telecommunication network A method and system are provided for planning a service provider network. At one or more low-cost Internet base stations (LCIBs) operating within a building, one or more wireless signals are detected. The wireless signals are provided by one or more macro base stati... | 04/03/2012 |
| 8145179 | Data detection and demodulation for wireless communication systems Techniques for detecting and demodulating data transmissions in wireless communication systems are presented. In one aspect, a decision-directed detector detects for data transmissions in a received signal by utilizing received data symbols as well as received pilot... | 03/27/2012 |
| 8121563 | Configurable patch panel system A patch panel system (100) includes interface units (120) and radio units (130). The interface units (120) connect to user devices (110) via corresponding ports. The radio units (130) are associated with radio channels. Comb... | 02/21/2012 |
| 8112050 | Reducing power consumption in receivers employing conversion to intermediate frequency A receiver to recover a signal of interest while consuming reduced power in some scenarios. The receiver contains a in-phase channel processing path and a quadrature phase channeling path for down converting an input signal to an intermediate frequency, and then rec... | 02/07/2012 |
| 8103228 | Method for determining line-of-sight (LOS) distance between remote communications devices An apparatus for wireless communications is disclosed including a super regenerative receiver adapted to receive an incoming signal from a remote apparatus, and a circuit adapted to at least partially determine the distance to the remote apparatus based on the incom... | 01/24/2012 |
| 8103229 | Multimode communication device with shared signal path programmable filter A multimode communication device with a shared signal path programmable filter and a method for utilizing a shared signal path programmable filter in a multimode communication device. Various aspects of the present invention comprise a first module adapted to receiv... | 01/24/2012 |
| 8095095 | Band switch control apparatus for intermediate frequency filter A band-switch control apparatus for an intermediate-frequency filter comprising: an adjacent interference-signal detecting unit for detecting an adjacent interference-signal, having a frequency adjacent to the desired frequency, superimposed on a reception signal ha... | 01/10/2012 |
| 8090332 | Tracking filter for a receiver A tracking filter for attenuating out-of-band signals and adjacent channel signals in a receiver is described. In one exemplary design, an apparatus includes a tracking filter, an LNA, and a downconverter. The tracking filter includes a summer, a filter, and an upco... | 01/03/2012 |
| 8086194 | Communication apparatus A communication apparatus has an A/D converter which converts an analog signal which was received, into a digital signal, a converter which converts a reception signal so as to enable handling of phase information, a carrier detector which detects presence or absenc... | 12/27/2011 |
| 8068799 | Radio frequency receiver systems that are configured to achieve high dynamic range A radio frequency (RF) receiver system that is configured to achieve high dynamic range may include at least one antenna and a plurality of receivers connected to the at least one antenna. The plurality of antennas may be configured to provide different gains. The R... | 11/29/2011 |
| 8060040 | True root-mean-square detection with a sub-threshold transistor bridge circuit A sub-threshold transistor bridge circuit for use in detecting the signal level of an input radio-frequency signal is disclosed. In an exemplary embodiment each branch of the sub-threshold transistor bridge circuit comprises a transistor configured to operate in the... | 11/15/2011 |
| 8045940 | Integrated circuit and method for reception of radio frequency signals An integrated circuit, IC, for reception of radio frequency; RF, signals in an antenna network system, the IC comprising: a plurality of amplifying paths to cover a plurality of radio frequency bandwidths or standards, each amplify... | 10/25/2011 |
| 8041317 | Radar detection algorithm A system includes a radio frequency transceiver. A baseband processor includes an automatic gain control module. The automatic gain control module has a gain that changes from and subsequently returns to a predetermined value each time the radio frequency transceive... | 10/18/2011 |
| 8023911 | Amplifying device and radio An amplifying device has an amplifier which amplifies an input signal supplied from an input terminal and outputs the amplified input signal, a feedback loop which has at least one of a resistive element and a capacitance connected between an output terminal of the ... | 09/20/2011 |
| 7991369 | Reducing power dissipation using process corner information In one embodiment, the present invention includes a method for determining process corner information of an integrated circuit (IC) and controlling at least one analog current for at least one analog circuit of the IC based on the process corner information. More sp... | 08/02/2011 |
| 7970366 | Diversity receiver A diversity receiver is provided with antennas (1a) and (1b) in a first branch and antennas (1c) and (1d) in a second branch each of which antenna gains is controlled so that the offset between the directions o... | 06/28/2011 |
| 7920837 | Method and system for utilizing undersampling to remove in-band blocker signals Methods and systems for wireless communication are disclosed and may include band-limiting a wireless signal utilizing a programmable bandpass filter, generating a first signal by undersampling utilizing a clock signal and generating a second signal by undersampling... | 04/05/2011 |
| 7907922 | Receiver without phase locked loop frequency synthesizer and receiving method using the same A receiver implemented without using a phase locked loop frequency synthesizer and a receiving method of a receiver implemented without using a phase locked loop frequency synthesizer are provided. The receiver includes a radio frequency (RF) receiving unit; a band-... | 03/15/2011 |
| 7885620 | High dynamic range time-varying integrated receiver for elimination of off-chip filters A receiver circuit comprising a quadrature passive mixer having an input and an output, and an input impedance of the quadrature passive mixer provides a band-pass response. One or more output impedances coupled to the output of the quadrature passive mixer. A low n... | 02/08/2011 |
| 7873336 | Frequency offset compensation for communication systems In communications between a pair of stations using modulated carrier signals, a first station estimates the carrier frequency offset with respect to the second station and transmits signals that are responsive to the estimated carrier frequency offset. The first sta... | 01/18/2011 |
| 7869777 | Method and system for a second order input intercept point (IIP2) correction In RF transceivers, a method and system for a second order input intercept point (IIP2) correction are provided. A DC offset sensor may detect DC offset voltages produced by blocker signals in “I” and “Q” signal component paths in an RF receiver. The DC offs... | 01/11/2011 |
| 7856215 | Method and system for using a multi-RF input receiver for diversity selection Aspects of a method and system for signal processing are disclosed and may include receiving a plurality of wireless signals via a plurality of M receive antennas. Each of M phase shifters coupled to each of the M receive antennas may be set to operate in a bypass m... | 12/21/2010 |
| 7853223 | Self-biased receiver system using a multi-fed antenna Provided a self-biased receiver system using a multi-fed antenna, including: at least one first port connected to an electronic circuit; and a second port connected to a feeder forming a DC (direct current) voltage using an input electromagnetic wave and feeding the... | 12/14/2010 |
| 7835711 | Method and apparatus for a signal selective RF transceiver system Method and apparatus to dynamically configure the signal reception selectivity of a plurality of transceivers is described. In one embodiment, a transceiver includes a receiver circuit having two or more filter circuits. Each of the filter circuits is configured to ... | 11/16/2010 |
| 7831228 | Processing received digital data signals based on a received digital data format An integrated circuit radio receiver includes radio frequency (“RF”) front end circuitry for receiving and transmitting digital data received through a wireless interface. A baseband processor is operable to process the digital data received through the wireless... | 11/09/2010 |
| 7817974 | Method and apparatus for enhancing the detection of weak emitters A Method and Apparatus for Enhancing the Detection of Weak Emitters provide an enhanced method to eliminate the fake hits of a moving weak signal detection system. The method and apparatus have the abilities stated in the previous U.S. patent application Ser. No. 11... | 10/19/2010 |
| 7801499 | System and method for filtering program service name data A system and method for filtering Program Service Name (“PSN”) data includes a processor, an antenna in communication with the processor, a display device in communication with the processor, and a memory unit in communication with the processor. The memory unit... | 09/21/2010 |
| 7796961 | Method and apparatus for detecting the presence and locations of radio controlled improvised explosive devices in real time A Method and Apparatus for Detecting the Presence and Locations of Radio Controlled Improvised Explosive Devices in Real Time. The system will clandestinely detect the presence and location of RCIED's along roadways in real time. This “RCIED Street Sweeper” syst... | 09/14/2010 |
| 7787840 | Shape memory alloy receiver In one embodiment, a frequency agile receiver is provided that includes an antenna: a first diode having its anode coupled to ground through a first conductor; a second diode having its anode coupled to the cathode of the first diode through a second conductor, the ... | 08/31/2010 |
| 7778613 | Dual conversion receiver with programmable intermediate frequency and channel selection A dual conversion receiver architecture that converts a radio frequency signal to produce a programmable intermediate frequency whose channel bandwidth and frequency can be changed using variable low-pass filtering to accommodate multiple standards for television an... | 08/17/2010 |
| 7773962 | Method and apparatus for efficiently applying frequency correction In a structure having a fractional-N synthesizer driven by a voltage controlled oscillator, frequency accuracy is maintained by first using the fractional-N synthesizer to correct large frequency errors and then slowly transferring correction from the fractional-N s... | 08/10/2010 |
| 7764937 | Frequency error estimation and correction Counter-clockwise and clockwise quadrant transitions are detected and accumulated with respect to a received complex signal over a certain time period. These transitions may then be compared in order to obtain information indicative of both a magnitude and phase of ... | 07/27/2010 |
| 7756495 | High speed receiver In one embodiment, a receiver includes a voltage margin controller, a set of first components coupled to the voltage margin control, and a set of offset compensation controllers coupled to the set of first components. ... | 07/13/2010 |
| 7720450 | Station comprising a rake receiver Stations like mobile terminals, bases stations and network nodes comprising rake receivers with fingers require relatively many calculations to be performed for despreading a symbol. By replacing despreading multipliers, integrators and dumpers in the fingers by Had... | 05/18/2010 |
| 7711334 | High linearity, low noise figure, front end circuit with fine step gain control A system, method, and electrical circuit comprises a LNA signal line path comprising a LNA and a first signal mixer operatively connected to the LNA. The circuit further comprises an attenuator signal line path comprising an attenuator and a second signal mixer oper... | 05/04/2010 |
| 7680470 | Multi-connection, non-simultaneous frequency diversity in radio communication systems A radio communication system includes a remote device radio, and a base station radio operable to communicate with the remote device radio at a first channel and at a second channel using non-simultaneous frequency diversity. The base station is operable to communic... | 03/16/2010 |
| 7650123 | Receiver and a method of attenuating a disturbance signal by a trap circuit having its resonance frequency adjustable A receiver for receiving a radio frequency signal includes an attenuator for attenuating a disturbance signal such as an image signal which causes disturbance to a received frequency of the radio frequency signal, on the basis of set information of the received freq... | 01/19/2010 |
| 7639995 | Reconfigurable communications circuit operable with data channel and control channel A communications circuit can operate with a data channel and a control channel. A changeable portion of the circuit can be reconfigurable between a first mode associated with activity on the control channel only and a second mode associated with activity on both the... | 12/29/2009 |
| 7620379 | Radio frequency tuner A radio frequency tuner comprises one or more tracking filters ahead of at least one frequency changer. A controller has a filter alignment mode and a reception mode. Each filter has one or more resonant networks comprising an inductance and a switched capacitor net... | 11/17/2009 |
