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| Patent # | Description |
|---|---|
| US-5,410,302 |
Method and apparatus for processing a received message in a
communication receiver A method and apparatus process (300) a message received by a communication receiver (100) having a memory (110) for storing (324) a periodically received... |
| US-5,410,301 |
Status monitoring system for an electronic lock A monitoring and control system is disclosed which samples a plurality of output ports and lines from the microprocessor and the system electronics of an... |
| US-5,410,300 |
Distributed crossbar switch architecture A switching array as described for connecting ones of a plurality of data sources to ones of a plurality of data sinks. The array includes source data busses... |
| US-5,410,299 |
Smoke detector An improved smoke detector in combination with a fan assembly for reducing the likelihood of smoke detector activation by ambient smoke, has a fan with a timer... |
| US-5,410,298 |
Fluid flow direction detector An apparatus for detecting the flow direction of a fluid between two enclosed spaces, such as hospital rooms, includes a conduit extending along a horizontal... |
| US-5,410,297 |
Capacitive patient presence monitor A capacitive sensor pad includes a foam plastic pad and heavy aluminum foil plates located to the opposite side thereof. The plates are adhesively bonded to the... |
| US-5,410,296 |
Magnetic tag deactivator for pre-existing check-out counters A magnetic tag deactivator for use in an electromagnetic article surveillance system. [The deactivator is adapted for use in conventional, pre-existing retail... |
| US-5,410,295 |
Anti-theft system for currency stored in a vault An anti-theft system for an automatic teller machine (ATM) causes a currency alarm pack to deface the currency supply in the event that an attempt is made to... |
| US-5,410,294 |
Auto rear window signal Mandated by law in most states is an original equipment manufacture (OEM) auto rear window brake-operated light which displays itself as a steady light signal... |
| US-5,410,293 |
Device for indicating brake lining wear Wear warning device for indicating wear in brake lining and drum in drum brakes for motor vehicles with automatic brake adjustment. In a drum brake with a lifter... |
| US-5,410,292 |
Method and system for communicating information within a dwelling or a
property A method for communicating information and commands within a dwelling or a property between several items of electrical equipment connected to an electrical... |
| US-5,410,291 |
Thermistor type temperature sensor A thermistor-type temperature sensor having multiple temperature-sensitive elements can detect a wide range of temperatures. In a preferred embodiment, the... |
| US-5,410,290 |
Shape memory alloy relays and switches The present invention provides several embodiments of an electrical switch that uses a shape memory alloy (SMA). In one embodiment the electrical switch is an... |
| US-5,410,289 |
Electromagnet An electromagnet is provided having a housing and a coil disposed therein. The coil comprises three strips of material placed adjacent one another in an... |
| US-5,410,288 |
Persistent superconducting switch for a superconducting magnet for
imaging human limbs A superconductive magnet subassembly has a single unbroken length of superconductive conductor which has a mid portion wound so as to define at least one... |
| US-5,410,287 |
Open MRI magnet with uniform magnetic field An open magnetic resonance imaging (MRI) magnet having first and second spaced-apart superconductive coil assemblies each including a toroidal-shaped coil... |
| US-5,410,286 |
Quench-protected, refrigerated superconducting magnet A superconducting magnet including a superconducting coil assembly having a magnet cartridge, a cryocooler coldhead having a cold stage in thermal contact with... |
| US-5,410,285 |
Quasi-TEM mode dielectric filter In a dielectric material block surrounded by a metal film at least one air hole is provided. Inner faces of the at least one air hole are partly applied with at... |
| US-5,410,284 |
Folded multiple bandpass filter with various couplings A poly-band filter includes a folded metal housing which defines an interior region partitioned by a divider. First and second pluralities of resonators are... |
| US-5,410,283 |
Phase shifter for fine tuning a microwave applicator A phase shifter for shifting the phase angle of microwaves traveling in a waveguide of a microwave circuit. The phase shifter includes a dielectric plate which... |
| US-5,410,282 |
Wide dynamic range amplifier with error correction An error corrected wide dynamic range amplifier has a transimpedance amplifier where the input signal node is used as a monitoring point for providing an error... |
| US-5,410,281 |
Microwave high power combiner/divider Provided is a microwave apparatus for dividing input power to plural outputs or, alternatively, combining power from plural inputs to a single output. The... |
| US-5,410,280 |
Process and device for amplitude modulation of a radiofrequency signal The process according to the invention consists in breaking down a radiofrequency signal to be modulated according to a first and second signal, representing... |
| US-5,410,279 |
Balanced type phase modulator for use in microwave band There is provided a phase modulator having a low signal loss characteristic and a simple circuitry configuration, comprising a phase modulating circuit and a... |
| US-5,410,278 |
Ring oscillator having a variable oscillating frequency A ring oscillator includes a plurality of inverters, a leakage current generating part, and a current controlling part. The current controlling part supplies the... |
| US-5,410,277 |
Stabilized frequency synthesizer A frequency synthesizer, which controls the fluctuation of frequency not only of a long period but also a short period, ensures a wide frequency control range... |
| US-5,410,276 |
RF modulation using a pulsed DC power supply Circuits for modulating an RF input signal applied to an RF high power amplifier to produce a modulated RF output signal. The present invention employs a VHF... |
| US-5,410,275 |
Amplifier circuit suitable for use in a radiotelephone The amplifier uses transistors such as (metal oxide semiconductor field effect transistors) MOSFET transistors in a current mirror configuration. The MOSFET... |
| US-5,410,274 |
Single-ended and differential amplifiers with high feedback input
impedance and low distortion First and second current feedback transconductance amplifiers (102,104) each have a high impedance voltage input, a low impedance current input and a pair of... |
| US-5,410,273 |
Low distortion operational amplifier An op-amp comprising a single gain stage amplifier cascaded with a buffer and an output stage. The buffer comprises an amplifier which isolates the gain stage... |
| US-5,410,272 |
RF amplifier signal-level control, and radio transmitter equipped
therewith The object of the invention is to design a stably controlled RF amplifier for controlling the level characteristic of an RF signal, particularly a TDMA radio... |
| US-5,410,271 |
Non-linear feedback network providing a linear transfer function A feedback network for linear operational amplifiers comprising n+1 identical non-linear devices which nonetheless yield a linear gain. |
| US-5,410,270 |
Differential amplifier circuit having offset cancellation and method
therefor The present invention provides a circuit (10) and method for sampling a single-ended signal and then converting the single-ended signal to a differential signal.... |
| US-5,410,269 |
Sample-and-hold circuit A sample-and-hold circuit, capable of charging and discharging its holding capacitor quickly regardless of a voltage of an analog input signal and an output... |
| US-5,410,268 |
Latching zero-power sense amplifier with cascode A zero-power sense amplifier for implementing a wide or multiple input NOR gate for receiving a product term of a group of array cells in a programmable logic... |
| US-5,410,267 |
3.3 V to 5 V supply interface buffer An improved 3.3 V to 5 V interface buffer comprising a solid state BiCMOS device implemented on a reduced voltage process designed to operate from 3.3 V and 5 V... |
| US-5,410,266 |
Circuit for conversion of shifted differential ECL voltage levels to
CMOS voltage levels with process compensation A CMOS circuit for converting voltage levels between shifted differential ECL voltage level input signals and a CMOS voltage level signal. The ECL levels are... |
| US-5,410,265 |
Amplifier calibration apparatus and method therefor An amplifier calibration apparatus for use in an audio device which processes an audio signal. The audio device includes a manual volume control for manually... |
| US-5,410,264 |
Adaptive impulse noise canceler for digital subscriber lines An impulse noise canceler includes circuitry which recognizes, locates, and cancels impulse noise when it occurs in an incoming signal. Impulse noise is... |
| US-5,410,263 |
Delay line loop for on-chip clock synthesis with zero skew and 50% duty
cycle In an integrated circuit for synthesizing a 50% duty cycle internal clock, the internal clock is synchronized with zero phase difference with respect to an... |
| US-5,410,262 |
Data output buffer of a semiconductor integrated circuit A data output buffer of a semiconductor integrated circuit is operable in response to data input to data lines and comprises a first pull-down control circuit... |
| US-5,410,261 |
Semiconductor device testing apparatus A testing apparatus which assures that a constant acceleration test and an AC continuous operation test can be simultaneously conducted on semiconductor devices... |
| US-5,410,260 |
Coil spring-pressed needle contact probe In a contact probe, the conventional tubular holder for receiving the needle member and the compression coil spring is eliminated by receiving them in a through... |
| US-5,410,259 |
Probing device setting a probe card parallel A probe apparatus comprises a test head for electrically testing a chip of a semiconductor wafer, a probe card having a plurality of probe needles electrically... |
| US-5,410,258 |
Self-guiding receptacle for a semiconductor test socket A receptacle for a semiconductor test socket has a body with a substantially planar surface and a plurality of female contact pins extending through the planar... |
| US-5,410,257 |
Zero insertion force test/burn-in socket An IC test/burn-in socket with spring cantilever beam contacts and a lid 4 that provides for self-aligning of the IC lead and the socket contacts 6. The lid is... |
| US-5,410,256 |
Dissipation factor as a predictor of anodic coating performance A dissipation factor measurement is used to predict as-anodized fixture performance prior to actual use of the fixture in an etching environment. A dissipation... |
| US-5,410,255 |
Method and apparatus for detecting and distinguishing leaks using
reflectometry and conductivity tests A method and apparatus for detecting and locating fluid leaks, particularly liquid leaks, and determining whether the leaking liquid being detected is a... |
| US-5,410,254 |
Method for optimizing the structure of a transistor to withstand
electrostatic discharge The present invention relates to a system and method of quantitatively evaluating the amount of electrostatic discharge that integrated circuit field effect... |
| US-5,410,253 |
Method of indicating combustion in an internal combustion engine Absolute engine position sensing is provided by monitoring the temporal relationship of energization of multiple spark plugs sharing a common source of drive... |
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