Bizarre Patents
Ballistic resistant body covering
A ballistic resistant body covering for protecting the torso, groin and neck area from ballistic missiles.
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 |
| 8145173 | Receiver and electronic apparatus having diversity and single receiving modes A receiver includes a first receiving section, a second receiving section, and a controller. A controller is operable to switch between a diversity receiving mode in which both of the first receiving section and the second receiving section are activated and a singl... | 03/27/2012 |
| 7483683 | Harmonic rejection gated-switching mixer Rejection of local oscillator harmonic response is provided in a mixing circuit with a pair of harmonic gating switches serially connected to the outputs of a balanced differential switching mixer and controlled by a gate clock signal having twice the frequency of a... | 01/27/2009 |
| 7400872 | Radio receiver for selecting appropriate diversity antennas by comparing correlation values and a method for the same In the diversity receiver, the RF switcher switches the received signals to supply them to the RSSI power detector equipped with diversity function. Subsequently, the RSSI power detector with diversity function feeds the RF switcher with an antenna switching signal.... | 07/15/2008 |
| 7395084 | Dynamic antenna allocation system A communication system with an antenna array having a respective antenna for each of a multitude of communication modules and a control system which seiectiyely reassigns communication over a first of said multitude of communication modules to a second communication... | 07/01/2008 |
| 7373119 | Method and apparatus for analog-to-digital conversion The present invention eliminates the need for an anti-aliasing filter in a receiver that employs an analog-to-digital converter. By maintaining a predetermined relationship between a local oscillator frequency and the sampling frequency of the analog-to-digital conv... | 05/13/2008 |
| 7356324 | Mobile radio receiver device The invention is directed to a receiver arrangement, for example, in a mobile radio, which allows the use of slowly locking phase locked loops for a point-to-point connection between two transceivers, even in the case of a heterodyne receiver structure. The need to ... | 04/08/2008 |
| 7349691 | System and apparatus for performing broadcast and localcast communications Described is a communication system including mobile communication devices. In the described system, the mobile devices many be wrist-worn watches such as are in common use today, except that the watches are specially configured to receive data in a “broadcast” ... | 03/25/2008 |
| 7317756 | Ultra-wideband communication apparatus and methods Apparatus and methods of ultra-wideband (UWB) communication are provided. In one embodiment, an ultra-wideband receiver receives a serial data stream comprising a plurality of ultra-wideband pulses. A serial to parallel converter then converts the serial data stream... | 01/08/2008 |
| 7299025 | Harmonic rejection gated-switching mixer Rejection of local oscillator harmonic response is provided in a mixing circuit with a pair of harmonic gating switches serially connected to the outputs of a balanced differential switching mixer and controlled by a gate clock signal having twice the frequency of a... | 11/20/2007 |
| 7286808 | Broadcast receiving system and broadcast receiving method In a broadcast receiving system, a first antenna receives a broadcast signal of a first frequency band and a second antenna receives a signal of a second frequency band different from the first frequency band. A frequency conversion unit converts the signal of the s... | 10/23/2007 |
| 7277686 | Antenna and frequency diversity receiving apparatus An apparatus determines an optimal antenna and frequency combination by selecting the optimal antenna from among a plurality, N, of antennas associated with a receiver and also selects the optimal frequency from among a plurality, M, of alternative receiving frequen... | 10/02/2007 |
| 7251286 | Method and apparatus for space division multiple access receiver Methods and systems consistent with this invention receive a plurality of transmitted signals in a receiver having a plurality of receive elements, wherein each transmitted signal has a different spatial location. Such methods and systems receive the plurality of tr... | 07/31/2007 |
| 7236759 | Method for steering smart antenna beams for a WLAN using signal and link quality metrics An antenna steering algorithm for a smart antenna uses signal quality metrics and link quality metrics for selecting a preferred antenna beam. The link quality metrics supplement the signal quality metrics for improving the antenna steering decision. The link qualit... | 06/26/2007 |
| 7221922 | Switch circuit and composite high frequency elements A switch circuit for switching the connection of the receiving or transmitting circuits of two communication systems to an antenna circuit, which comprises first and second switch means having two switching elements, the first switch means comprising a first inducta... | 05/22/2007 |
| 7212789 | Tunable duplexer The method and apparatus herein identifies tunable duplexer in a communication system. The tunable duplexer includes a tunable receiver filter, a tunable transmitter filter, a variable receiver phase shifter, and variable transmitter phase shifter. Each filter and p... | 05/01/2007 |
| 7184734 | Radio communication apparatus A radio communication apparatus using an array antenna has a plurality of reception branches for conveying reception signals received at the antenna element of the array antenna, and a calibration branch for selecting one of the plurality of reception branches and c... | 02/27/2007 |
| 7180449 | Antenna with filter The present invention discloses an antenna with a filter, which comprises a substrate; an antenna device, a filter and a feed end. The antenna device is printed on the substrate; the filter is coupled to the antenna device; the feed end is coupled to the filter. The... | 02/20/2007 |
| 7167688 | RF transceiver module formed in multi-layered ceramic An RF transceiver module for wireless communication devices includes a multi-layered substrate, an RF transceiver IC mounted on the multi-layered substrate for receiving and transmitting voice or data signals, at least one band selection filter mounted on the multi-... | 01/23/2007 |
| 7084813 | Antennas with reduced space and improved performance The disclosed embodiments of antenna elements and antenna element arrangements provide a generally low profile, improved isolation, and providing a larger bandwidth. Certain disclosed antenna elements provide a reduction in the footprint of the antenna elements whil... | 08/01/2006 |
| 7072635 | Method for combining data from phase indeterminate data streams for raking A received wireless signal contains a plurality of path components, each having a phase indeterminate data stream derived from an original data stream. The receiver splits the received signal into N signal copies for N raking channels, which correlate each of the N ... | 07/04/2006 |
| 7047043 | Multi-channel demodulation with blind digital beamforming A communication signal receiver and associated method are disclosed. A plurality of communication signals are received at an atenna array and time multiplexed into a single multiplexed signal. Each of the communication signals comprises an unknown mixture of a plura... | 05/16/2006 |
| 7042410 | Microwave antenna feed with integral bandpass filter An antenna feed with an integrated bandpass filter is disclosed. The antenna feed contains a reflector and a dipole antenna. A bandpass filter comprising one or more bandpass filter elements is placed between the reflector and the dipole antenna. The bandpass filter... | 05/09/2006 |
| 7031653 | Switch matrix for satellite payloads with multiple uplink beams and on-board signal processing A method and apparatus for switching signals through a switch matrix are disclosed. The apparatus comprises an input module and an output module. The input module has a plurality of inputs typically equal to a number of cells in a reuse pattern, and the inputs recei... | 04/18/2006 |
| 7024163 | Method and apparatus for adjusting feedback of a remote unit Methods and apparatus implementing spatial processing in a remote unit. In general, in one aspect, the present invention provides a remote unit, that includes a plurality of antennas and a spatial processing unit coupled to the plurality of antennas. The remote unit... | 04/04/2006 |
| 7010335 | Apparatus and method to provide antenna diversity Briefly, in accordance with an embodiment of the invention, an apparatus and method to provide antenna diversity to reduce multipath effects is provided. The apparatus may include a primary antenna and a secondary antenna, wherein the antenna gain of the secondary a... | 03/07/2006 |
| 6975834 | Multi-band wireless communication device and method The present invention relates to a wireless communication device, such as a transponder, that has a plurality of antennas for multi-frequency usage. The wireless communication device comprises a control system, communication electronics, memory, and the aforemention... | 12/13/2005 |
| 6970686 | Diversity system and diversity method A synchronous signal position detection unit detects symbol synchronous signals according to OFDM from the signals received by the respective antennas. A delay measurement unit measures a relative delay between the symbol synchronous signals for each antenna series ... | 11/29/2005 |
| 6892059 | Closed-loop transmitting antenna diversity method, base station apparatus and mobile station apparatus therefor, in a next generation mobile telecommunications system A closed-loop transmitting antenna diversity method, and a base station and mobile station apparatus therefore in a next generation mobile telecommunications system, the closed-loop transmitting antenna diversity method having a plurality of antennas in a mobile tel... | 05/10/2005 |
| 6844855 | Aircraft phased array antenna structure including adjacently supported equipment An aircraft phased array antenna system has transmit and receive antenna structures externally mounted on the aircraft fuselage. Each antenna comprises a plurality of phased array elements and antenna power and support equipment. Aerodynamically shaping antenna stru... | 01/18/2005 |
| 6845233 | RF receivers with reduced spurious response for mobile stations and methods therefor A mobile wireless communication device (10) having a direct conversion receiver (20) reduces spurious mixer response by predicting blockers on the received RF signal. The chopping frequency of the mixer is changed (305) dynamically in response t... | 01/18/2005 |
| 6823021 | Method and apparatus for space division multiple access receiver Methods and systems consistent with this invention receive a plurality of transmitted signals in a receiver having a plurality of receive elements, wherein each transmitted signal has a different spatial location. Such methods and systems receive the plurality of tr... | 11/23/2004 |
| 6683906 | Radio communication apparatus A radio communication apparatus subjects each signal which is received via a multi-path and demodulated, to a Hadamard transform at each of fingers, by use of an M-ary quadrature coding scheme, obtains correlation values of codes, combines correlation val... | 01/27/2004 |
| 6574459 | Multiple branch receiver system and method A receiver provides received analog signals to a plurality of channel branches, and on at least one of the channel branches, the frequency of the received analog signals is adjusted independent of the relative positions of the corresponding analog signals... | 06/03/2003 |
| 6574460 | Radiotelephone system for motor vehicles with a group antenna A radiotelephone system for motor vehicles, having a group antenna system with a plurality of antenna elements, and a mobile radiotelephone with a high-frequency input for receiving radio signals. The group antenna system contains controllable phase and/o... | 06/03/2003 |
| 6516206 | Transceiver operation in radio system The invention relates to a method of implementing transceiver operation at a base station. In the method, at least two transmitter units (300, 302) in different sectors transmit signals at different frequencies to the same multifrequency amplifier (306), ... | 02/04/2003 |
| 6486795 | Universal transmitter A universal remote control radio frequency transmitter for use with garage door operators, gate operators and other barrier movement operators is programmable through the use of external switches. The same switches are used after programming for causing t... | 11/26/2002 |
| 6459885 | Radio transceiver switching circuit A radio transceiver circuit which includes an antenna, a transmitter, a receiver, an antenna switching circuit for selectively connecting the transmitter and the receiver to the antenna, and a power source for driving the transmitter and the receiver. The... | 10/01/2002 |
| 6415140 | Null elimination in a space diversity antenna system A space diversity antenna system provided with dither circuitry in the signal path to one of the antennas to switch a circuit element in and out of the signal path at a high rate. The circuit element can be an amplitude attenuator or a phase changer. This... | 07/02/2002 |
| 6408164 | Analog processor for digital satellites An analog processor for use with digital satellites is disclosed. The analog processor is connected between the receiving circuitry of the satellite and a pool of digital on-board processors, and segments the bandwidth of uplink RF beams into sub-bands th... | 06/18/2002 |
| 6327481 | Apparatus for and method of antenna-switched diversity reception When demodulating data of each frame of a phase-modulated signal received by a selected one of antennas, a phase error detector detects a phase error as a deviation from an ideal phase, and an accumulator accumulates phase errors in the frames. If an accu... | 12/04/2001 |
