Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 8180314 | Method and system for utilizing givens rotation to reduce feedback information overhead Aspects of a method and system for utilizing Givens rotation to reduce feedback information overhead are presented. Aspects of the system may include a receiver that may enable computation of a beamforming matrix for signals received from a transmitter in a multiple... | 05/15/2012 |
| 8126422 | Receiver having voltage-to-current and current-to-voltage converters A receiver (300) comprises an antenna input (301), a filter (302), a voltage-to-current converter (303), a down frequency conversion mixer (304), and a current-to-voltage converter (305). The antenna input operably couples t... | 02/28/2012 |
| 7809349 | Radio frequency filter using intermediate frequency impedance translation The present invention is an RF filter that translates impedances of an IF circuit to create a filter with an RF center frequency having the high Q roll-off characteristics of an IF filter. The RF filter is self-aligned with the frequency of an RF local oscillator. T... | 10/05/2010 |
| 7778622 | Positioning and recording information system for rescue at sea implemented with a multi-hopping technique and without using GPS A positioning and recording information system for rescue at sea implemented with a multi-hopping technique. At least two stations transmit navigation information to one another in the form of data packets. The data packets are received and temporarily stored in the... | 08/17/2010 |
| 7587193 | Signal transmission arrangement having a transformer and a receiver circuit A signal transmission arrangement includes a transformer and a receiver circuit. The transformer has at least one primary winding and at least one secondary winding, each having first and second connections. The receiver circuit is connected to the secondary winding... | 09/08/2009 |
| 7403756 | Highly-integrated MEMS-based miniaturized transceiver The present invention is directed to a highly-integrated MEMS-based miniaturized transceiver. The transceiver utilizes a low band front-end to direct sample low band signals and a high band front-end to translate high band signals that cannot be directly sampled to ... | 07/22/2008 |
| 7369096 | Impedance matched passive radio frequency transmit/receive switch A Radio Frequency (RF) structure services an antenna having a characteristic impedance and includes a differential Power Amplifier (PA), a differential Low Noise Amplifier (LNA), and a balun transformer. The differential PA has a differential PA output with a PA dif... | 05/06/2008 |
| 7369877 | Multi-channel demodulation with blind digital beamforming A system and method for receiving communication signals is provided. According to the method, a plurality of communication signals is received, each communication signal comprising one or more source signals. The plurality of communication signals are multiplexed in... | 05/06/2008 |
| 7363019 | Shaping the drive signal of a mixing device Techniques for shaping the drive signal of a mixing device to overcome a characteristic capacitance of the control terminal of the mixing device and reduce the time the mixing device is in an intermediate state between its on and off states. ... | 04/22/2008 |
| 7330771 | Operator for embossing and engraving profiles in a solid body modeling system A computer-implemented solid modeling system performs an operation for embossing or engraving at least one profile onto or into a solid body. Generally, the profile comprises text or a planar geometric shape. Specifically, the profile is a planar face bounded by edg... | 02/12/2008 |
| 7310505 | Attenuation control for tuners A tuner includes an RF input with a signal level controller such as an attenuator that is provided to attenuate a signal from the RF input. A tunable RF filter provides RF band limiting and determines simultaneously the AGC bandwidth. An amplifier with resistive fee... | 12/18/2007 |
| 7305223 | Radio frequency circuit with integrated on-chip radio frequency signal coupler A radio frequency (“RF”) circuit configured in accordance with an embodiment of the invention is fabricated on a substrate using integrated passive device (“IPD”) process technology. The RF circuit includes at least one RF signal line section and an integrat... | 12/04/2007 |
| 7302247 | Spread spectrum isolator A circuit package includes first and second units containing functional circuitry. At least one RF isolation link interconnects the first and second units and provides voltage isolation between the first and second units. The RF isolation link provides data between ... | 11/27/2007 |
| 7280067 | Radar detector and radar detecting method for WLAN systems according to 802.11 wireless communication standards The present invention relates to a radar detector and a radar detecting method for WLAN systems according to 802.11 wireless communication standards, and particularly concerns the radar detection for 802.11 h dynamic frequency selection mechanism. The essence of the... | 10/09/2007 |
| 7269399 | Receiver of double conversion system with antenna tuning with variable capacitance using digital-to-analog converter having temperature coefficient setting section A receiver of double conversion system wherein unwanted components included in received signals can be removed without fail and wherein the number of constituent parts has been reduced. The receiver comprises an antenna tuning circuit 10 including a tuning co... | 09/11/2007 |
| 7268731 | Multi-band antenna for wireless applications A folded monopole antenna that supports lower and upper frequency bands may be used in CDMA, WLAN, or other wireless communications systems. The folded monopole antenna may be located in a handset next to a vertical ground plane. The folded monopole antenna may be f... | 09/11/2007 |
| 7245883 | Radio communication apparatus, radio communication method, antenna apparatus and first duplexer Radio communication apparatus comprising an antenna, a transmitting circuit outputting a transmitting signal in a first frequency band. A duplexer connected to the antenna and having a single-phase input terminal and a balanced output terminal, conveying the transmi... | 07/17/2007 |
| 7218909 | Integrated low noise amplifier An integrated circuit (IC) low noise amplifier includes an on-chip balun and an on-chip differential amplifier. The on-chip balun is operably coupled to convert a single-ended signal into a differential signal. The on-chip differential amplifier is operably coupled ... | 05/15/2007 |
| 7162204 | Configurable spectral mask for use in a high data throughput wireless communication A configurable spectral mask for a channel for use in a wireless communication includes a channel pass region, a floor region, and a transition region. The channel pass region provides a first usable signal bandwidth of a plurality of usable signal bandwidths corres... | 01/09/2007 |
| 7120457 | Transmission control method and apparatus for mobile communication system A method and apparatus for controlling the power of a signal transmitted between a base station and a mobile terminal which constitute a mobile communication system. At least one of the base station and the mobile terminal has functions to compare a predetermined re... | 10/10/2006 |
| 7092671 | Method and system for wirelessly autodialing a telephone number from a record stored on a personal information device An automated telephone dialing system. The system enables a handheld PID to automatically dial a telephone number stored its memory by interacting with a telephone. The telephone is equipped with a wireless port for short-range wireless data transfer. Similarly, the... | 08/15/2006 |
| 7088963 | Architecture for cordless telephones An analog cordless telephone has a handset and a base. The handset and/or the base of the telephone may include the following components. A phase locked loop (PLL) and a voltage controlled oscillator (VCO), adapted to be shared between a receive path and a transmit ... | 08/08/2006 |
| 7088982 | Gilbert cell and method thereof A stacked Gilbert cell mixer performs two frequency conversions in at least one of a wireless transmitter and receiver and includes a first stage of the stacked Gilbert cell mixer that converts a voltage signal input to the stacked Gilbert cell mixer to a current si... | 08/08/2006 |
| 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 |
| 7031690 | Polyphase filter with low-pass response A complex low-pass filter that reduces the influence of component mismatch. The filter includes a first filter section for effecting a first single pole transfer function and a second filter section for effecting a second single pole transfer function, where the fir... | 04/18/2006 |
| 7027794 | Radio receiver and radio communication system The cutoff frequency is set high in order to prevent suppression of low-frequency components so that high-quality reception control of a radio signal can be realized. A radio signal amplifier unit amplifies a received radio signal and results in an amplified signal.... | 04/11/2006 |
| 7024157 | Local area network computer system utilizing radiating transmission line A radio frequency communication system utilizing a radiating transmission line for communicating data signals is disclosed. The data signals convey digital data to remotely located data devices, including computers, equipment control systems and digital video camera... | 04/04/2006 |
| 7009308 | Methods and apparatus for improving high frequency input/output performance A circuit that eliminates an off-chip inductive component connected between an integrated circuit (IC) arranged on a package and an external load comprises a package and an IC that is arranged on the package. A first bondwire arranged on the package has one end that... | 03/07/2006 |
| 6990350 | Optical wireless networks with adjustable topologies In a free space communication network in which different communication nodes are linked together by directed beams, a method for dynamically configuring the topology of the network allows the transmission directions of the communication nodes to be autonomously chan... | 01/24/2006 |
| 6977444 | Methods and apparatus for improving high frequency input/output performance An input circuit for an integrated circuit (IC), which is mounted on a package having an input pin, rejects signal energy at a first frequency. A first bondwire arranged on the package has one end that communicates with the pin and an opposite end that communicates ... | 12/20/2005 |
| 6978122 | High-frequency switching device incorporating an inverter circuit A high frequency switching device includes a control terminal, a power source terminal, a GND terminal, an RF terminal, a switch section, a control section, and protecting diodes. The switch section switches input/output routes of an RF signal input from the RF term... | 12/20/2005 |
| 6968172 | DC offset cancel circuit This invention is applied to dual mode provided receiver capable of coinciding with both TDMA system and the non-TDMA system so as to provide a DC offset cancel circuit preferable for each communication method having a compact structure. In case where a predetermine... | 11/22/2005 |
| 6910632 | Data processing and communications device with interchangeable modules A data communications device includes a base unit having a first microprocessor and a data and communication module received by the base unit that includes a second microprocessor and a transceiver. The data and communication module is selected from a plurality of d... | 06/28/2005 |
| 6873838 | Superregenerative oscillator RF receiver with differential output A superregenerative oscillator RF receiver having a differential output that has the advantage of providing an improved operating range and increased receiver sensitivity without affecting receiver cost or current requirements. The present invention comprises a rece... | 03/29/2005 |
| 6813486 | RF circuit An RF circuit configured to inteface a balanced port (1, 2, 11, 12) with an unbalanced port (4, 14) by emulating the function of a balun. Reactive components (20, 30, 120, 130) in both branches of a balanced circuit form two resonant circuits by... | 11/02/2004 |
| 6748207 | Power distributing and synthesizing device and mobile communication equipment using same A power distributing and synthesizing device which comprises first to third signal terminals, first and second transmission lines and a resistor. The first signal terminal is provided at the connection portion between one end of the first transmission line and one e... | 06/08/2004 |
| 6704559 | Broadband RF mixer with improved intermodulation suppression An RF mixer circuit having reduced intermodulation products includes a cascode transconductance amplifier including a first transistor having a control electrode connected to receive an input signal and serially connected with a second transistor having a... | 03/09/2004 |
| 6654595 | Radio system including mixer device and switching circuit and method having switching signal feedback control for enhanced dynamic range and performance Radio system including mixer device and switching circuit and method having switching signal feedback control for enhanced dynamic range and performance. Radio apparatus including: local oscillator input port for receiving periodic sinusoidal local oscill... | 11/25/2003 |
| 6647253 | High gain intermediate frequency input circuit with satisfactory trap characteristics An intermediate frequency input circuit is coupled between output nodes of a frequency mixing circuit and input nodes of an intermediate frequency amplifier circuit. The intermediate frequency input circuit includes a pair of input nodes; a pair of output... | 11/11/2003 |
| 6606488 | Communications receiver with intermodulation reduction, and method In a communications receiver (100) with a front stage (110) for receiving a transmitted RF input signal and a mixer stage (130) for mixing the RF input signal with an oscillator signal (OS) to provide an intermediate frequency (IF) signal, wherein the fro... | 08/12/2003 |
