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Document Title |
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7623831 |
Wireless communication device interconnectivity
A wireless communication device that is attached or included in an electronic object, such as a portable computer, having its own separate communication system. The separate communication system...
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7623827 |
Voltage overshoot protection
A transmission circuit for an RF inductive link, particularly for an implanted device such as a cochlear implant. In a preferred form, the transmission circuit 1 includes a transmitter coil 24 ...
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7590387 |
High accuracy voltage controlled oscillator (VCO) center frequency calibration circuit
Methods and systems for calibrating a frequency of a circuit are disclosed herein and may comprise dividing a feedback frequency of an output frequency signal to generate a divided frequency...
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7587175 |
Radio frequency unit analog level detector and feedback control system
A Radio Frequency (RF) transceiver includes a baseband processor, a receiver section, and a transmitter section. The receiver section communicatively couples to the baseband processor and includes...
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7577457 |
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 may be wrist-worn watches such as are in common use today, except that the...
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7565170 |
Radio base station receiver having digital filtering and reduced sampling frequency
A station for processing a first signal which can be generated by a mobile terminal and belongs to a plurality of signals for mobile radio communications networks. The stations include an input...
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7529209 |
System and method for mitigating fading of a signal at a radio receiver
The present invention provides a method and system for mitigating fading and/or poor reception at a receiver. The receiver includes configurations each of which can provide different reception...
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7518458 |
Oscillator and data processing equipment using the same and voltage control oscillator and data processing equipment using voltage control oscillator
An LC resonant circuit of an oscillator includes a parallel circuit of an inductor, a first fine adjustable capacitor and a first capacitor bank, and a series circuit of a second fine adjustable...
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7515881 |
Resonance frequency shift canceling in wireless hearing aids
Systems, devices and methods are provided to switch between transmit and receive modes in wireless hearing aids. Various aspects of the present subject matter relate to a communication system....
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7515002 |
Frequency synthesizer for dual mode receiver
In a portable dual mode receiver circuit, a dual modulus clock system is provided which can, by selective use of integer division on a multiplied master clock, select specific channels with two...
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7502605 |
Sub-millimeter wavelength camera
The invention relates to an imaging device to be used with millimeter and/or sub-millimeter radiation comprising at least a pair of substrates, at least one of which is patterned on at least one...
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7499681 |
Apparatus, system, and method for managing an antenna network during a half duplex call
An apparatus, system, and method dynamically adjust an antenna network frequency response in accordance with an operation mode of a half duplex call. One of a plurality of antenna network...
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7472075 |
System and method to associate broadcast radio content with a transaction via an internet server
A system and method for providing services to users in vehicles based on radio broadcasts received by a vehicle's radio receiver. The system includes a computer-based vehicle unit located in a...
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7437159 |
Method and system for overcoming pilot pollution in a wireless communications network
An apparatus and method for overcoming pilot pollution in a wireless communications network. The apparatus boosts a preferred pilot signal within a geographical area that is suffering from pilot...
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7426373 |
Electrically tuned resonance circuit using piezo and magnetostrictive materials
An impedance tuning system, especially for a cellular telephone system. The system can be used to match the impedance of an antenna element with that of an output stage of a transmitter driving the...
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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...
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7403747 |
Tuning a station
A method of tuning a station is disclosed, wherein a first pilot signal is applied on a circuit of the station and the resulting output power of the signal circuit is subsequently detected. A...
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7403122 |
RFID tag circuits operable at different speeds
Embodiments of RFID tag circuits and methods are described, which include a chip having a clock circuit operable to generate a clock signal having different frequencies, and one or more components...
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7398540 |
System and method for tuning channels using a central point of control
Systems and methods for tuning channels within a home entertain system by connecting multiple consumer electronics devices to a central electronics device with an internal tuner. The consumer...
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7395031 |
Mobile device and method for receiving and processing program-accompanying data
Mobile device ( 3 ) and method for receiving and processing program-accompanying digital data, which are transmitted by a radio transmitter ( 1 ), for example a DAB transmitter, and of which at...
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7359684 |
Wireless communication system with variable intermediate frequency transmitter
A wireless communication device (UST), comprising an input for receiving baseband data (I, Q) in a first signal having a first frequency. The device also comprises circuitry ( 68 1 , 68 2 ) for...
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7358908 |
System and method for regulating antenna electrical length
A system and method are provided for regulating the electrical length of an antenna. The method comprises: communicating transmission line signals at a predetermined frequency between a transceiver...
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7339446 |
Tunable resonator with MEMS element
According to an embodiment of the present invention, a microelectromechanical system (MEMS) element tunes a resonator to a frequency.
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7313365 |
Management of digital wireless connections
Systems and methods are provided for processing a digital only call origination request. When the digital call is released, a wireless communication device does not scan for a more preferred...
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7283796 |
Electronic tuning system
An electronic tuning system includes an electronic tuner for adjusting the predetermined control voltage of a voltage controlled oscillator (VCO) to tune the local frequency signal to radio waves...
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7280807 |
Initiator device capable of two-way half-duplex communication with multiple recipient devices
An initiator transceiver for operating in a two-way half-duplex communication mode with multiple recipient transceivers. The transceivers includes a body having a cavity and a control device,...
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7263338 |
Device and method for regulating a transmission moment of a continuous transmission signal
A comparator unit is used to compare an actual transmission time signal with a nominal transmission time signal and to produce a difference signal from the discrepancy, from which difference signal...
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7263336 |
Device, system and method to provide different bias voltages and common tuning voltage
In some embodiments of the present invention, multiple voltage controlled capacitor branches may be employed in a tuning circuit. Each of the multiple voltage controlled capacitors branches may be...
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7242910 |
Self-calibrating radio
A self-calibrating radio is described. In one exemplary implementation, a radio signal from its local voltage controlled oscillator. The calibration system automatically calibrates the radio by:...
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7236802 |
Coupling device for interfacing power amplifier and antenna in differential mode
A coupling device for coupling an electronic circuit for at least one antenna unit to exchange electrical signals between the electronic circuit and the at least one antenna unit comprises a first...
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7236758 |
Integrated wireless multimedia integrated circuit
An integrated circuit having a transmit chain configured to provide direct FM modulation of a voltage controlled oscillator of a frequency synthesizer by a composite signal that includes audio and...
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7236741 |
Methods and apparatus for tuning in an inductive system
Electronic circuitry supports utilization of a series of pulses of varying width to tune a transducer (e.g., a coil that produces or receives a magnetic field) for transmitting or receiving. For...
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7167686 |
Wireless communications transceiver: transmitter using a harmonic rejection mixer and an RF output offset phase-locked loop in a two-step up-conversion architecture and receiver using direct conversion architecture
A wireless transceiver includes a transmitter having a harmonic rejection mixer and an RF output phase-locked loop in a two step up-conversion architecture, and a direct conversion receiver. The...
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7142811 |
Wireless communication over a transducer device
One aspect of the present invention is generally directed towards a system and method of tuning a transducer for transmitting and receiving a wireless signal. In an illustrative embodiment, a...
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7103334 |
Method and system for tuning quality factor in high-Q, high-frequency filters
A method for tuning quality factor (Q) in a high-Q, high-frequency filter is provided that includes filtering an input signal to generate a filtered signal. The input signal comprises a specified...
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7082293 |
Adaptive radio transceiver with CMOS offset PLL
An exemplary embodiment of the present invention described and shown in the specification and drawings is a transceiver with a receiver, a transmitter, a local oscillator (LO) generator, a...
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7076215 |
Transmitter-receiver
A transceiver having an RF receiver, in particular VHF receiver, with digital signal processing in a digital part. The transceiver having an input part, at least one mixer and an intermediate...
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7065331 |
Resonator configuration
A resonator system and method are provided which includes/uses a tunable reference resonator, parts for tuning the reference resonator to a reference value via a controlled variable for the...
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7065326 |
Millimeter wave communications system with a high performance modulator circuit
A high data rate communication system operating at frequencies greater than 70 MHz and at data rates of about 1.25 Gbps or greater. Preferred embodiments include modulators with a resonant LC...
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7020230 |
Frequency synthesizer for dual mode receiver
In a portable dual mode receiver circuit, a dual modulus clock system is provided which can, by selective use of integer division on a multiplied master clock, select specific channels with two...
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6985702 |
Transceiver with frequency multiplier tracked to frequency generator
A transceiver has frequency generating means for generating a first signal at a first frequency. The frequency generating means has first tank means for resonating at the first frequency. The...
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6983128 |
Radio control transmitter and receiver
Radio control is used for different types of models, e.g. aircraft, cars and boats. Commonly, a number of different radio channels are allocated in a frequency band for use in radio control. If a...
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6980775 |
Automatic frequency control (AFC) system and method using an adaptive threshold to improve accuracy of the direct current (DC) component calculation for a received signal
A radio device requires a tunable transceiver such that the transceiver can be accurately set to a desired frequency. When a signal with known frequency accuracy is being received, an offset...
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6912376 |
Mobile phone transceiver
A multiple band transceiver (10) uses a fixed frequency oscillator (34) to generate a reference signal in both receive, mode and transmit mode for each frequency band. A dual-band variable...
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6865402 |
Method and apparatus for using RF-activated MEMS switching element
The present invention features an RF-actuated microelectromechanical systems (MEMS) switch for use with switchable RF structures such as antennas. An antenna within each MEMS switch module is...
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6826388 |
Mobile communication apparatus including dividers in transmitter and receiver
A transceiver suitable for larger scale of integration employs direct conversion reception for reducing the number of filters. Also, the number of VCOs is reduced by utilizing dividers to supply a...
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6816881 |
Method and apparatus for inter-application communication in wireless networks
A method for providing inter-application communication between a sending device and one or more receiving devices in a wireless network comprises the steps of: (i) at the sending device, tagging a...
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6765628 |
Method and apparatus for searching channels
A method for searching a predetermined satellite channel by making use of information available from the satellite. The method comprises three steps. The first step is searching for a service...
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6628928 |
Internet-based interactive radio system for use with broadcast radio stations
An interactive radio system is provided for use with broadcast radio stations wherein feedback is provided to subscribers of the system via the Internet. Interactive radio mobile units are mounted...
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6628927 |
Method and apparatus for transmitting and receiving signals
A method and apparatus for receiving a radio frequency signal and a method and apparatus for transmitting a modulation signal in a multiple channel radio system. The method for receiving the radio...
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