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7558576 |
Employing frequency offset to compensate for Doppler shift
At least one embodiment of the invention provides an automated frequency offset compensation method, system, and apparatus that improves throughput between one or more wireless communication...
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7542529 |
Wireless receiving device suppressing occurrence of reception error
An AGC processing portion receives a burst signal of each received frame, and measures its received power level to perform gain control of a variable gain amplifier. Unlike a conventional wireless...
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7539478 |
Select content audio playback system for automobiles
The present invention provides a large capacity, user defined audio content delivery system. The system delivers uninterrupted music and delivers information content (e.g., news by evaluating and...
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7499694 |
Tuner alignment
In a method of tuning a receiver for a digital signal (MPEG2-TS), an input signal (RF-in) is filtered (In-filt, Band-filt) to obtain a processed signal, a digital figure of merit (BER) is...
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7496336 |
Weighting circuit for adjusting a control loop
For a weighting circuit for adjusting a feedback control loop to an input signal of the feedback control loop the feedback control loop comprises a system under control and a device for generating...
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7486746 |
Clock and data recovery with extended integration cycles
Clock and data recovery circuitry includes an interleaved sampler having multiple integrators, where at least one of the integrators integrates the input data for at least two unit intervals (UIs)....
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7469139 |
Wireless manager and method for configuring and securing wireless access to a network
The disclosure provides a wireless manager operable to receive a request from a mobile device to wirelessly communicate with an enterprise network, with the request including information operable...
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7454184 |
DC offset cancellation in a wireless receiver
A DC-offset cancellation system for a wireless receiver is disclosed. The DC-offset cancellation system comprises an amplifier and an impedance inverter configured to transform inductance applied...
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7437131 |
Active mixer with self-adaptive bias feedback
An active mixer with self-adaptive bias feedback is described and resolves a poor linearity, inconvenient design of a bias circuit, and other defects of a conventional mixer. The dual self-feedback...
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7409198 |
Wideband variable gain amplifier in an ultra wideband receiver
A method ( 700, 1100 ) and apparatus ( 300 ) are provided in a receiver for applying a variable gain to a received signal including a transmitted codeword in accordance with an Ultra Wideband (UWB)...
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7403757 |
Automatic gain control method in wireless packet communication system
The present invention relates to an automatic gain controller in a wireless packet communication system and an automatic gain control method thereof. The automatic gain controller includes a...
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7389097 |
Receiver, transceiver circuit, signal transmission method, and signal transmission system
A receiver has an offset application circuit for applying a known offset to an input signal, and a decision circuit for comparing the offset-applied input signal with a reference voltage. The level...
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7379728 |
Wireless communication system
A wireless communication system includes: a filter; and a semiconductor chip including a signal processing integrated circuit having an amplifier, wherein a main surface of the semiconductor chip...
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7346331 |
Power management for locking system
In an access control system, a method and system for power management. A method of power management in a wireless access control system includes monitoring usage of a transceiver in a remote access...
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7339504 |
Communications device with asynchronous sample rate converter
An asynchronous sample rate converter including a feedback loop configured to generate a control signal corresponding to an output sample rate that is synchronous with an output clock signal and a...
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7310497 |
Radio communication repeater
The invention proposes a repeater designed for indoor transmissions. The useful frequency band is split into two frequency bands and the repeater amplifies the signals from one of the bands and...
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7269401 |
Signal processing circuit for tuner which applies signal processing based on variation in frequency of intermediate frequency signal
A signal processing circuit for a tuner has a detector band pass filter for extracting a carrier of an intermediate frequency signal, a frequency counter for counting, based on a clock signal, a...
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7228106 |
Method and apparatus for adjusting usage of DSP of handheld terminal
A method and apparatus for adjusting usage of digital signal processing (DSP) in a handheld terminal receives reception level data and reception quality data from a network, compares the received...
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7200373 |
Antenna detection and diagnostic system and related method
An antenna detection and diagnostic system and associated method, including current and voltage detection circuits, are disclosed for detecting antenna failure mechanisms for integrated radio...
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7155186 |
AM receiver with controllable RF input circuit
AM receiver comprising an RF input circuit for receiving an RF AM signal, demodulation means providing an audio signal carried by said RF AM signal as well as automatic gain control means for...
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7120408 |
Differential signal squelch detection circuit and method
An electrical circuit detects a “squelch,” or “out-of-band,” state of a differential signal pair having a positive (“p”) signal line and a negative (“n”) signal line. In one...
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7085540 |
Radio telecommunications network, a method of transmitting data in a radio telecommunications network, a receiver, and a method of receiving
A radio telecommunications network comprises a transmitter ( 2 ) and a receiver ( 4 ). The transmitter ( 2 ) is operative to send signals indicative of data, and the receiver ( 4 ) is operative to...
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7079821 |
Signal correction method and receiver
A signal correction method and receiver receives an asynchronous wireless signal including a code signal, and determines whether the code signal is discriminated as a regular code. When the...
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7076261 |
Synchronization of optical signaling beacons
An arbitrary number of signaling beacons are synchronized simultaneously and automatically by a received modulated control signal in accordance with an arbitrary communication protocol over a...
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7068986 |
Method for processing radio waves, and audio system utilizing the method
In multi-path regions of high wave strength, noise in produced sounds of a vehicle audio system is reduced due to controlling of amplification of radio waves received by an on-glass antenna on the...
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7062241 |
Signal processor and method for the system-independent digital evaluation of mobile communications reception signals of various mobile phone standards
Only a single, standard-independent clock rate is generated in a signal processor or a signal processing structure, and correspondingly only precisely one clock frequency generator is then arranged...
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7027785 |
Transmitter RF power control
An electronic system for accurately controlling the RF output power from a power amplifier ( 21 ) is implemented using a multiplier ( 28 ) which multiplies the output power by itself to provide a...
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6968165 |
Frequency scanning receiver permitting quick PPL setting
A frequency scanning receiver minimizes the time needed for setting the frequency of a phased lock loop of a first local oscillator. The frequency scanning receiver is configured so that when the...
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6934522 |
Automatic gain control apparatus
In an automatic gain control amplifier, an RF automatic gain controller controls the gain of a radio frequency signal. A frequency converter frequency-converts the radio frequency signal into an...
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6768901 |
Dynamic hardware resource manager for software-defined communications system
A hardware resource manager ( 18 ) dynamically allocates hardware resources in a software-defined communications system. The hardware resource manager ( 18 ) creates a specification of required...
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6766156 |
Radio transmitter-receiver, high-frequency radio receiver, and control unit
A low-noise amplifier 500 a having low-distortion characteristics (low distortion LNA), a low-noise amplifier 500 b of a low current consumption type(low current consumption LNA), and...
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6658242 |
TDMA wireless telephone system with independently tracked demodulation parameters
A wireless telephone system comprises a base transceiver having a base receiver and a plurality of wireless handsets. Each handset comprises a handset transceiver for establishing a time-division...
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6643498 |
Wireless receiver, wireless receiving method, and recording medium
A signal processing unit 107 outputs a control parameter of a gain control operation-starting electric field strength value in the form of a signal CN 1 in correspondence with data of transfer...
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6345177 |
Signal analog processing circuit for satellite positioning receiver
An analog circuit for receiving satellite signals through an antenna. The circuit includes frequency transposition circuits and an analog/digital converter. Each frequency transposition circuit...
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6131021 |
Method for extending the RSSI range and radio transceiver operating in accordance with this method
The present invention relates to the extension of the RSSI range of a radio transceiver, in which the RSS value is monitored continuously during reception by a limiter circuit (1). This extension...
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6112068 |
Phase-locked loop circuit with switchable outputs for multiple loop filters
An electronic system, such as a wireless telephone handset (10), having multiple voltage-controlled oscillators (26, 28) so that the system can operate in a selected one of multiple frequency...
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5909645 |
Receiver with dynamic attenuation control for adaptive intermodulation performance enhancement
Improved radio receiver designs can be used in the operational environment of wireless telephone communications. The radio receiver includes a variable attenuator, an RF signal amplifier, and a...
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5907798 |
Wireless telephone intermodulation performance enhancement techniques
Improved radio receiver designs can be used in the operational environment of wireless telephone communications. The radio receiver includes a variable attenuator, a variable-current RF signal...
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5650776 |
Communication receiver having user configuration control functions
A communication receiver (100) includes a controller (206) providing control of at least first and second receiver operating states in response to corresponding first and second operations of at...
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5081669 |
Assignable speakers for channels at a trunked console operator position
A console speaker assignment system that is self-prompting and which allows speaker assignment to be changed without interrupting the reception of audio signals or without interrupting normal...
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4797949 |
Supervisory control of mobile telecommunications
A telecommunications system including a mobile unit is protected from operator-induced disruption by disabling the operator-adjustable controls of the mobile unit and fixing the operating...
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4479262 |
Static audio-frequency control receiver
Static audio-frequency control receiver for the time impulse interval process, consisting of a micro-computer, an electronic computing means and an evaluation component. In the micro-computer, a...
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4339631 |
Phase control device
A phase control circuit for use in a compatible quadrature AM stereophonic receiver in which the phase of the output signal of a voltage-controlled oscillator in a phase-locked loop circuit has a...
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4241450 |
Automatic turn-off apparatus for a radio or television receiver
A television receiver includes a tuning system comprising a phase locked loop (PLL) configuration and an automatic fine tuning (AFT) configuration which are selectively enabled to operate in...
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4035731 |
Combined binocular radio unit
A combined binocular-radio unit including a housing having disposed therein a binocular radio receiver and mechanism for the activation of the radio receiver when the binocular is extended from the...
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3922641 |
Automatic video and audio source selector for entertainment center
An automatic electronic control system for a home entertainment center, the system utilizing audio or video signal sensors for the preferential selection of a video tape reader as a signal source...
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3750027 |
SURFACE WAVE FREQUENCY DISCRIMINATORS
Disclosed are apparatus for constructing a frequency discriminator utilizing surface wave devices. A plurality of interdigitated surface wave transducers are formed on a piezoelectric substrate...
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3584304 |
SQUELCH TAIL ELIMINATOR FOR DUAL SQUELCH
A radio receiver which incorporates dual squelch systems, one system operated by the carrier and the other operated by a coded tone signal, is responsive to the tone signal of the proper frequency...
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3531602 |
RADIO OR THE LIKE WITH CONTROL SHAFT EXTENDING THROUGH SPEAKER DIAPHRAGM
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3438037 |
MODULATED SUBCARRIER CONTROL CIRCUIT RESPONSIVE TO A VOLTAGE HAVING A PASS FREQUENCY AND EXCEEDING A PREDETERMINED LEVEL FOR A PREDETERMINED TIME
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