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8154601 |
Television receiving system
A television receiving system has a plurality of setup-data including wireless settings, which can be selected by user's choice the optimum wireless setting for every position where the display is...
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8121646 |
Method and system for equalizing cable losses in a distributed antenna system
The invention is directed to a method and system for equalizing the signal losses over cable runs in a Distributed Antenna System (DAS). In a DAS, two or more antennae are connected to the system...
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8086199 |
Sharing AGC loop between demodulator and spectrum analysis system
Systems and methods for sharing an AGC loop between a wireless data demodulator and a spectrum analysis module that operates simultaneously with the data demodulator. In one embodiment, a...
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8068837 |
Wireless communications handoff method and system employing such
A method for reducing a delay in a wireless communications system resulting from a handoff while mitigating a risk of premature termination of wireless communications, the method includes comparing...
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8063789 |
Method and apparatus for monitoring the maximum distance between two objects
A method and an apparatus for monitoring the maximum distance between two objects, in particular between a child and its guardian, with the aid of two transceivers, the first of which periodically...
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8055228 |
Received signal strength indicator self-calibrating gain of limiter
A received signal strength indicator according to an aspect of the invention may include a gain calibration section including a calibration limiter, a calibration load unit and a comparison and...
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8041304 |
Area estimation system, area estimation method and area estimation apparatus
An area estimation apparatus 100 includes: a reception level receiving unit 110 configured to receive, from a plurality of the radio signal capturing terminals 40a and 40b via the network, a radio...
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8036615 |
Portable simplified image display apparatus and receiving system
A portable simplified image display apparatus and a receiving system are provided, which can sensuously know the state of received strength of radio signals transmitted from a body-insertable...
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8005449 |
Subsampling wideband RSSI circuit
A Received Signal Strength Indicator (RSSI) circuit includes a subsampling circuit that processes an input signal comprising a sampling frequency, fs, wherein the subsampling circuit subsamples the...
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7969337 |
Systems and methods for two tier sampling correction in a data processing circuit
Various embodiments of the present invention provide systems and methods for data processing. For example, a data processing circuit is disclosed that includes an analog to digital converter, a...
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7949320 |
Constant modulus indication for detection of RF signals
In a technique for detecting single or multiple channels in a broadcast RF signal, a receiver determines a constant modulus indication value for each frequency of the receiver's local oscillator,...
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7903726 |
Signal receiving apparatus and signal power prediction method thereof
A signal receiving apparatus includes an indicating unit, a receiving, a system unit which comprises a plurality of electronic components to provide signal processing, a storing unit to store...
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7890062 |
Fast correction of power measurements of signals having a changing frequency
Power measurements of a signal having a changing frequency are corrected by acquiring samples of the signal, matching the samples of the signal to a sequence of frequencies indexed to correction...
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7890074 |
Data acquisition system
In a data acquisition system of ADC system, a log amplifier is provided at the pre-stage of an A/D converter, a signal amplified by the log amplifier having a nonlinear input-output characteristic...
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7865160 |
Mixed mode power measurement calibration and reporting in wireless communication networks
A wireless communication user terminal having a receiver for receiving a signal having mixed modulation formats, wherein the terminal measures signal power on a portion of the signal received by...
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7664197 |
AM receiving circuit
An AM receiving circuit is disclosed which comprises an intermediate frequency amplifying unit that generates an intermediate frequency signal from a broadcast wave signal received by an antenna to...
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7653026 |
Wireless communication system, wireless base station, and mobile station
Data transport which allows for handover is implemented by a mobile wireless communication system wherein a first datum is transmitted by a wireless base station, in response to the reception of...
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7647044 |
RF switching device
The present disclosure relates to a switching device having a display that allows an operator to readily visually assess the signal strength of both a primary signal and a back-up signal. In...
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7643811 |
Method and system for interference detection
A wireless communications device includes a first receiver and a second receiver. The first receiver is configured to receive a first wireless signal (such as a Bluetooth or WLAN signal), while the...
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7592794 |
Integrated low power received signal strength indicator (RSSI) with linear characteristic
An RSS indicator with a linear characteristic that is of a simple configuration, low current consumption and small die area requirements, comprises a pair of input transistors with coupled emitters...
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7555322 |
Foldable type portable information terminal, condition notifying method used in the same and program therefor
A foldable type portable information terminal can accurately recognize operation mode in a construction having various of functions and various relative attitudes. The portable information terminal...
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7529553 |
Received signal quality display method and received signal quality display system
A base station receives a pilot signal and position information on each of a plurality of mobile stations from the each mobile station. An uplink pilot signal separating unit separates the pilot...
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7515891 |
Programmable gain amplifier (PGA) with AGC in receiver section
A method and apparatus for dynamically controlling a programmable gain amplifier (PGA) to provide a plurality of gain steps thereby providing automatic gain control (AGC) in a receiver intermediate...
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7509106 |
Test signal generation circuit, and reception circuit
A test signal generation circuit includes a tuning circuit, a local oscillation circuit for forming orthogonal local oscillation signals, first mixer circuits for frequency-converting the reception...
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7495553 |
Method of installing a wireless security system
A method of installing a security system includes placing a security device at an installation location. An air-borne signal is transmitted to the security device. An indication of a quality of the...
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7466960 |
Cognitive spectrum analysis and information display techniques
A device and method are provided for monitoring and analyzing received over-the-air energy. According to one aspect, a device and method are provided for performing spectrum analysis on the...
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7450958 |
Method for displaying received signal strength bars in wireless terminal device
Disclosed is a method for displaying signal strength bars in a wireless terminal device. In the first step, RSSI (Received Signal Strength Indicator) values of the wireless terminal device...
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7430412 |
Digitally programmable continuously variable precision microwave attenuator
An apparatus (10) is disclosed for testing a receiver (18). The apparatus (10) includes a digitally controlled attenuator (30) and controls, including a programmable logic device (38), to control...
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7418249 |
Radio apparatus
A demodulator demodulates a received signal. A decoder performs inverse-spread spectrum processing on a demodulated signal. The decoder calculates a CIR value and outputs it to a CPU and a...
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7406302 |
Digital FM stereo receiver architecture
Systems and techniques for digital processing of FM stereo signals are described. A carrier signal such as a 38 kHz carrier may be recovered and used to process a difference signal such as a left...
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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...
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7395548 |
System and method for signal validation and leakage detection
A system and method of validating signals and detecting signal leakage in a cable communications includes the steps of a) tuning a radio frequency receiver to a carrier frequency of a selected RF...
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7376118 |
System and method for optimizing contiguous channel operation with cellular reuse
A method for communicating with automatic meter reading (AMR) endpoints in adjacent cells, when the endpoints are arranged in a cell pattern similar to a cellular telephone system, is disclosed...
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7359707 |
Wireless communications handoff method and system employing such
A method for reducing a delay in a wireless communications system resulting from a handoff while mitigating a risk of premature termination of wireless communications, the method includes comparing...
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7269144 |
Radio transceiver on a chip
An entire radio transceiver can be completely integrated into one IC chip. In order to integrate the IF filters on the chip, a heterodyne architecture with a low IF is used. A single, directly...
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7257375 |
Receiver with dual D.C. noise cancellation circuits
A receiver for eliminating D.C. noise from a signal received from a communication channel includes an input circuit configured to receive an input signal. The receiver includes an error circuit...
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7254755 |
On-chip receiver sensitivity test mechanism
An on-chip receiver sensitivity test mechanism for use in an integrated RF transmitter wherein the transmitter and the receiver share the same oscillator. The mechanism obviates the need to use...
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7231186 |
Mobile station executing alarm processing of a degraded communication quality
A mobile station includes a degradation detecting section for detecting a degraded communication quality, an electric field measurement section for measuring an intensity of an electric field, and...
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7224940 |
Frequency modulating device of an integrated circuit and a method of measuring modulated frequency
A frequency modulating device includes a frequency generator for generating a frequency-modulated, first carrier and an input terminal to which a non-modulated second carrier is input. An amplifier...
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7218904 |
Removing close-in interferers through a feedback loop
System and method for elimination of close-in interferers through feedback. A preferred embodiment comprises an interferer predictor (for example, interferer predictor 840) coupled to a digital...
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7215951 |
Test system for mobile communication terminal in which state of progress of connection-transition test can be visually recognized
A test procedure control unit outputs control information including time setting information along a procedure for carrying out a transition test of a connection state of a mobile communication...
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7209187 |
System for selectively extinguishing a light source that illuminates a television power button
A system for selectively illuminates a light source that illuminates a power indicator of a video apparatus when the indicator distracts a viewer. The power button illumination is selectively set...
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7187914 |
Rectifiers and rectifying methods for use in telecommunications devices
A signal strength indicator circuit including a set of rectifiers. The set of rectifiers include an asymmetric switching pair of rectifiers that may be configured to provide an output signal that...
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7181169 |
Controlling apparatus and method of mobile communication terminal using electrostatic detection
A controlling apparatus of a mobile communication terminal using electrostatic detection includes an electrostatic detector for sensing an instantaneous voltage generated at higher than a reference...
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7177593 |
Estimating communication quality
A method for estimating quality of communications between a transmitter and a receiver over a communications link operable to carry data in at least one of a plurality of different compressed...
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7177621 |
Wireless communication medium and method for operating the same
A wireless communication medium includes an antenna, an analog signal processor, a digital signal processor, and a central processing unit & logic module. The antenna transmits and receives a...
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7171180 |
AM receiver circuit performing sound quality compensation of AM detection output signal
An AM receiver circuit comprises an IF intensity detection section which detects intensity of a carrier wave of an IF signal and outputs an IF signal carrier wave intensity signal in accordance...
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7139563 |
Portable telephone set with interference detecting and warning function displayed with indication of type of radio interference fault
A portable telephone radio unit is disclosed which allows a user to recognize an incomplete state of data communication which occurs with a terminal equipment because of deterioration of the...
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7133655 |
Amplifiers and amplifying methods for use in telecommunications devices
A signal strength indicator circuit that includes a first amplifier configured to receive a first input signal from a first mixer and a second input signal from a second mixer;. The circuit also...
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7133666 |
Radio communication system and reception status display method
In a radio communication system, during radio connection between a base station 100 and a terminal 200, the base station 100 transmits a reception status notification request to the terminal 200....
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