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| Patent # | Description |
|---|---|
| US-7,548,167 |
RF tag and method of manufacturing the RF tag An RF tag to accompany a conductive object is disclosed that includes an antenna and an integrated circuit connected to the antenna. The antenna includes a first... |
| US-7,548,166 |
Tine-mounted antenna for an RFID The present invention provides a tine-mounted antenna for reading RFID tags in a warehouse environment using RFID technology operating at ultra-high frequencies... |
| US-7,548,165 |
Performance enhancement algorithm for radio frequency identification
(RFID) systems A method for enhancing the accuracy a Radio Frequency IDentification (RFID) system which may exhibit inconsistent RFID tag reporting behavior. The method... |
| US-7,548,164 |
Means to deactivate a contactless device A method and apparatus for deactivating an identification device or RFID tag, such as an e-passport or an ID card that has been revoked, has expired, or is... |
| US-7,548,162 |
RFID conveyor system and method A conveyor system for processing items on which radio frequency identification tags are disposed includes a frame and a conveyor disposed moveably on the frame... |
| US-7,548,161 |
Acceleration-based theft detection system for portable electronic devices A theft prevention system for protecting portable electronic devices is disclosed. An acceleration sensor detects the acceleration of a portable electronic... |
| US-7,548,160 |
Anti-theft alarm system for portable computer An anti-theft alarm system includes a detecting switch portion including a first switch and a second switch, a keyboard controller (KBC), and a key of a keyboard... |
| US-7,548,159 |
Method and device for reliably monitoring a closed position of two parts
moveable relative to one another A device for reliably monitoring a closed position of two parts which can move relative to one another has an actuator and a sensor. The device is particularly... |
| US-7,548,158 |
First responder wireless emergency alerting with automatic callback and
location triggering Using wireless features, a public service agency is enabled to provide alert information to first responders. An automatic call back from the first responder... |
| US-7,548,157 |
Battery backed service indicator aids for field maintenance A self-contained backup power source such as a battery is provided for components within an electrically powered device such as a storage controller, photocopier... |
| US-7,548,156 |
Method of distinguishing, from a moving platform, stationary objects from
moving objects A method of distinguishing, from a moving platform, stationary objects from moving objects. The method includes using a first detector mounted to the moving... |
| US-7,548,155 |
Fifth wheel sensor assembly An electronic system that monitors a trailer hitch assembly having a plate hitch with a throat for receiving a kingpin of a trailer and a locking mechanism for... |
| US-7,548,154 |
Vehicle security control system A vehicle security control system receives from a separated communication device a demand signal to prohibit or permit engine operation via an immobilizer. The... |
| US-7,548,153 |
Multi-protocol or multi-command RFID system A multi-protocol RFID interrogating system employs a synchronization technique (step-lock) for a backscatter RFID system that allows simultaneous operation of... |
| US-7,548,152 |
RFID transponder information security methods systems and devices Methods, systems and devices for providing RFID system security are provided that involve cryptographically encrypting data on a transponder and managing the... |
| US-7,548,151 |
Power management lock system and method A power management lock system including an electronic lock unit configured to lock and unlock a door and further including at least one sensor in communication... |
| US-7,548,150 |
Method for the allocation of short addresses in illumination systems In a method for the allocation of short addresses in illumination systems, whose illumination components (DALI EB, Lp) are controlled via a DALI bus, the short... |
| US-7,548,149 |
Surface-mount negative-characteristic thermistor A surface-mount negative-characteristic thermistor includes a ceramic body composed of a semiconductor ceramic material including at least one of Mn, Ni, and Ti;... |
| US-7,548,148 |
Integral transformer junction module A compact integral transformer-junction module combination suitable for use in junction modules and vaults in distribution circuits and in industrial and... |
| US-7,548,147 |
Switch type on/off structure for hoisting magnetic disks A switch type ON/OFF structure for hoisting magnetic disks has a handle turnable towards one side to demagnetize and towards another side to generate a magnetic... |
| US-7,548,146 |
Power relay A first aspect of the invention includes a power relay assembly having a motor assembly and actuator assembly disposed in a housing. The actuator assembly... |
| US-7,548,145 |
Hysteretic MEMS thermal device and method of manufacture A MEMS hysteretic thermal device may have a cantilevered beam which bends about one or more points in at least two substantially different directions. In one... |
| US-7,548,144 |
MEMS switch and method of fabricating the same A micro electro mechanical system switch and a method of fabricating the micro electro mechanical system switch. The micro electro mechanical system switch... |
| US-7,548,143 |
Microwave module having converter for improving transmission
characteristics Provided is a microwave module having a converter for improving transmission characteristics in a millimeter-wave band. When a microstrip transmission line and a... |
| US-7,548,142 |
Tuneable resonator The invention discloses a tuneable resonator (100, 200, 300, 500, 600, 700, 900) with a substrate layer (140, 260, 360, 560, 660, 960), which substrate layer... |
| US-7,548,141 |
High frequency filter A high frequency filter incorporates: an unbalanced input/output terminal; two balanced input/output terminals; two resonators respectively provided between the... |
| US-7,548,140 |
Bulk acoustic wave (BAW) filter having reduced second harmonic generation
and method of reducing second... In a filter having a half-ladder structure comprising an alternating series of series branches and shunt branches, including a signal input and a signal output... |
| US-7,548,139 |
Coupled resonator filter and fabrication method thereof A coupled resonator filter and a method of fabricating the coupled resonator filter are provided. The method includes: sequentially stacking a first electrode, a... |
| US-7,548,138 |
Compact integration of LC resonators A technique to provide a compact integration of inductor-capacitor resonator a capacitor having a top plate and a bottom plate embedding a dielectric layer. The... |
| US-7,548,137 |
Generalized cancellation of inductor winding capacitance An inductor device or filter such as an electromagnetic interference (EMI) filter which includes an inductor provides cancellation of parasitic capacitance of... |
| US-7,548,136 |
Distortion reduction for variable capacitance devices The present invention reduces distortion in variable capacitance devices by connecting a circuit to the variable capacitance devices that has low impedance at... |
| US-7,548,135 |
Filter and duplexer A filter includes a filter chip, a laminated portion on which the filter chip is mounted, an input/output terminal provided in the laminated portion, a first... |
| US-7,548,134 |
Transmission line transformer A transmission line transformer is disclosed. The transformer improves efficiency and a dynamic range of a power amplifier. The transformer is formed to have a... |
| US-7,548,133 |
Modulation of an RF transmit signal To modulate the frequency of a signal to be transmitted, the biasing voltage applied to a terminal of a transistor is dynamically modulated. To achieve this, the... |
| US-7,548,132 |
Monolithic clock generator and timing/frequency reference In various embodiments, the invention provides a clock generator and/or a timing and frequency reference, with multiple operating modes, such power conservation,... |
| US-7,548,131 |
Oscillation circuit with temperature-dependent current source An output signal ZA of NAND 48a is given to a first input of NAND 48b and is given to a second input of the above NAND 48b, simultaneously through a delay... |
| US-7,548,130 |
Characteristic automatic compensating apparatus, characteristic automatic
compensating method, characteristic... A characteristic automatic compensating apparatus of an oscillator includes oscillating means, temperature detecting means, characteristic determining means for... |
| US-7,548,129 |
On-chip R-C time constant calibration An integrated tuner includes circuitry to receive a television signal, a quadrature mixer coupled to the output of the circuitry, a polyphase filter coupled to... |
| US-7,548,128 |
Systems and methods with reduced reference spurs using a crystal
oscillator for broadband communications Systems and methods are provided. In this regard, a representative system incorporates a crystal oscillator circuit and a digital automatic level control... |
| US-7,548,127 |
Digitally controlled ring oscillator A ring oscillator for generating an output signal, comprising a plurality of serially connected main elements for selectively delaying a signal input thereto,... |
| US-7,548,126 |
Phase locked loop circuit and control method thereof A phase locked loop circuit includes a voltage controlled oscillator having an oscillating characteristic value changed by a switching signal. A characteristic... |
| US-7,548,125 |
Frequency calibration for a monolithic clock generator and
timing/frequency reference Exemplary embodiments of the invention provide a system, method and apparatus for frequency calibration of a free-running, reference harmonic oscillator. An... |
| US-7,548,124 |
System and method for self calibrating voltage-controlled oscillator A system and a method for self calibrating a voltage-controlled oscillator (VCO). In the system, a mode controller generates a control signal for each of an... |
| US-7,548,123 |
Dividerless PLL architecture A phase-locked loop (PLL) achieves initial lock using a course fractional-N divider driving a binary phase detector. Once frequency lock is achieved, this... |
| US-7,548,122 |
PLL with switched parameters A system and method of operating a phase-locked loop frequency synthesizer is disclosed herein. The disclosed method includes defining a first set of operating... |
| US-7,548,121 |
Fractional frequency synthesizer and phase locked loop utilizing
fractional frequency synthesizer and method... A fractional frequency synthesizer, applied to a phase-locked loop, includes a phase detector, a loop filter, a controllable oscillator, a first frequency... |
| US-7,548,120 |
Frequency switching method A frequency switching method is used to make switching among a plurality of frequency signal sources each providing a specific frequency range covering multiple... |
| US-7,548,119 |
Digitally controlled oscillator with jitter shaping capability A digitally controlled oscillator (DCO) generating an output clock includes a jitter shaping module for shifting low frequency digital jitter on the output clock... |
| US-7,548,118 |
Semiconductor device and power amplifier A semiconductor device 1 includes a plurality of amplifier circuits 2 connected in parallel between an input terminal RFin and an output terminal RFout. Each of... |
| US-7,548,117 |
Differential amplifier having an improved slew rate A differential amplifier receives a differential input signal and generates an output signal at an output node. An auxiliary circuit coupled to the differential... |
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