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| Patent # | Description |
|---|---|
| US-5,365,197 |
Low-noise distributed amplifier In one form of the invention, an amplifier is disclosed, the amplifier comprising: an input transmission line 32; an output transmission line 36,38; at least two... |
| US-5,365,195 |
Volume control apparatus producing reduced noise and distortion This invention provides a volume apparatus, which is formed of semiconductor resistors and semiconductor switches and which reduces distortion and noise in... |
| US-5,365,194 |
Power operational amplifier having oscillation limiter and method
therefor An improved power operational amplifier device is disclosed which provides a floating buffer having a first and second RC time constant for controlling a first... |
| US-5,365,193 |
Circuit for neutralizing thermal drift in a transconductance stage A circuit device for neutralizing thermal drift in a transconductor differential stage using a first circuit portion which corresponds structurally to the... |
| US-5,365,192 |
AC-coupled single-ended or differential-input radio frequency amplifier
integrated circuit An embodiment of the present invention combines, on a single integrated circuit, a first bipolar transistor in a common-emitter configuration capacitively... |
| US-5,365,191 |
Offset reducing circuit for differential amplifier A differential amplifier includes a differential couple in which emitters of a pair of transistors are connected by a resistor. A voltage difference between... |
| US-5,365,190 |
Feed-forward digital phase and amplitude correction system Phase and amplitude modifications in repeatable RF pulses at the output of a high power pulsed microwave amplifier are made utilizing a digital feed-forward... |
| US-5,365,189 |
Drift free low noise composite amplifier and method of operation thereof A composite amplifier includes a discrete active gain element with a feedback circuit that provides for low drift and low offset, but which also has low noise,... |
| US-5,365,188 |
Self-configurable, dual bridge, power amplifier A self-configurable, dual bridge, power amplifier has a window comparator sensing the level of input signals fed to the amplifier which drives a plurality of... |
| US-5,365,187 |
Power amplifier utilizing the vector addition of two constant envelope
carriers A power amplifier having a gain factor of G for generating an output signal from a low power amplitude and phase modulated input signal. The power amplifier... |
| US-5,365,186 |
Proton maser A method of generating microwave power by producing a charged-particle beam that is charge-neutralized by electrons. The charged particles are heavier than... |
| US-5,365,185 |
Frequency controlled loop for demodulating OOK and PSK signals A method and apparatus for producing a frequency-controlled loop in a phase-diversity receiver for demodulating received ON-OFF-keyed (OOK) and phase shift... |
| US-5,365,184 |
Quadrature phase processing A phase modulated signal is split into quadrature components Savg+SaSin(.phi.(t)+kx(t)) and Cavg+CaCos((.phi.(t)+kx(t)). The average value for each signal is... |
| US-5,365,183 |
Single chip microcomputer having two kinds of timer functions A single chip microcomputer includes two kinds of timer circuits which receive a common clock signal. One of the timer circuits generates a first timer signal,... |
| US-5,365,182 |
Method and apparatus for low power clock generation for high speed
applications A method and apparatus for low power clock generation for high speed applications includes a divider for receiving a high frequency input signal and producing a... |
| US-5,365,181 |
Frequency doubler having adaptive biasing A frequency doubler having adaptive biasing includes one shot circuits 10 and 12, which are responsive to particular transitions of an input signal for... |
| US-5,365,180 |
Method for measuring contact resistance An improved method for measuring contact resistance during device testing is disclosed. After a device under text has been properly positioned to make a contact... |
| US-5,365,179 |
Apparatus and method for measuring ground impedance A method and apparatus for measuring ground to earth impedance at frequencies above dc. A computer controlled instrument is provided for implementing a Three... |
| US-5,365,178 |
Electrical device for liquid level measurements in industrial tanks and
the like An electrical device for measuring the liquid level in industrial tanks and the like with a microwave transmitter and receiver and a waveguide provided with an... |
| US-5,365,177 |
Apparatus for measurement of high frequency corona discharges in
electrical components An apparatus for providing a quantitative measurement of high frequency corona discharges from electrical devices operating at high voltages, including an... |
| US-5,365,176 |
Wiring harness security inspection device A wiring harness security inspection device having a cradle pivotally supported on a base is provided with a front socket for receiving a wiring harness... |
| US-5,365,175 |
Method of locating ground faults The present invention discloses a method of detecting and locating current imbalances such as ground faults in multiwire systems using the Faraday effect. As an... |
| US-5,365,174 |
Magnetic resonance imaging apparatus In a magnetic resonance imaging apparatus, picture quality of a tomographic image is prevented from deteriorating by reducing the influence due to a change in... |
| US-5,365,173 |
Technique for driving quadrature dual frequency RF resonators for
magnetic resonance spectroscopy/imaging by... In a magnetic resonance system, four primary loop circuits (50, 52, 54, 56) are inductively coupled to a resonator coil (32) at 90.degree. intervals around its... |
| US-5,365,172 |
Methods and apparatus for MRI Apparatus and methods for performing MRI are disclosed wherein the encoding field has a multidimensional, preferably periodic, dependence. Two dimensional image... |
| US-5,365,171 |
Removing the effects of acoustic ringing and reducing temperature
effects in the detection of explosives by NQR Acoustic ringing and adverse effects from variations in the NQR detection of explosives and narcotics are minimized or eliminated. A specimen is irradiated with... |
| US-5,365,170 |
Measurement of magnetic properties of electrical steels using a search
coil partially defined by a fluid... A continuous method of measuring magnetic properties of a strip or sheet of an electrical steel comprises the steps of inducing in the strip or sheet electro... |
| US-5,365,169 |
Remote field eddy current flaw detector for metal material including
attenuator, adder, phase shiftery and... The present invention relates to a flaw detector for metal material for maintaining and managing pipelines using a remote field eddy current sensor. An AC signal... |
| US-5,365,168 |
Measuring instrument for contactless determination of an angle of
rotation of an adjusting shaft A measuring instrument for contactless determination of an angle of rotation of an adjusting shaft. To avert transmitting a tumbling motion from the adjusting... |
| US-5,365,167 |
Integrated circuit device having signal discrimination circuit and
method of testing the same An integrated circuit device formed on a chip includes a pair of signal input terminals, a signal discriminating circuit having a pair of input terminals coupled... |
| US-5,365,166 |
System and method for testing electrical generators A system and method for testing an electrical generator of the type having a rotor (14) and a stator (12) includes or utilizes a movable carriage (22) having... |
| US-5,365,165 |
Testability architecture and techniques for programmable interconnect
architecture An integrated circuit having a plurality of input/output modules, each of which has input/output modules including an input module section having an input node... |
| US-5,365,164 |
Harmonic analyzer and methods of constructing and utilizing same An apparatus for the analysis of power quality and the effects of harmonic distortions on machinery or equipment. The apparatus is compact, portable, and... |
| US-5,365,163 |
Sensor array for circuit tracer A circuit tracer for determinating the location of a conductor, such as a wire, which is either an open or closed circuit, and which may lie underground. The... |
| US-5,365,162 |
Light bulb electric life extender having a diactriac combination
connecter in parallel with a capacitor An electric bulb saver is provided for use with light bulb sockets in either 110 V or 220 V screw type or bayonet circuits. The device includes circuitry... |
| US-5,365,161 |
Stabilized voltage supply A stabilized voltage supply has a semiconductor and an output transistor formed on the semiconductor substrate and responsive to a power voltage. When the power... |
| US-5,365,160 |
Apparatus and method for charging batteries A charging system monitors the rate of change in battery voltage, adjusts the rate of charging, and checks the changes in battery voltage following adjustments... |
| US-5,365,159 |
Battery-charger with adjustable contacts A battery-charger with adjustable contacts which are specifically arranged according to specific positions of power contacts of different types of batteries. The... |
| US-5,365,158 |
Driving control apparatus for induction motor A slip frequency type driving control apparatus includes a detector for detecting an input current and an input voltage to an induction motor, a calculating unit... |
| US-5,365,157 |
Voltage regulator employing a triac to deliver voltage to a load An alternating current voltage regulator providing a stable RMS output voltage across a load. The voltage applied to the load being determined by controlling the... |
| US-5,365,156 |
Force transducer for a robotic arm A force transducer for a robotic arm comprises a plurality of axially-contractible cells. Each cell includes first and second end pieces which are interconnected... |
| US-5,365,155 |
Rotational speed control and use of same to control the rotational speed
of an electric hand tool motor The process of controlling rotational speed of an electric motor of an electric hand tool, including providing an electric motor of an electric hand tool with a... |
| US-5,365,154 |
Appliance control system and method A system and method for controlling an appliance, such as an indoor ceiling fan, including a controller operatively connected to the appliance motor for... |
| US-5,365,153 |
AC variable speed driving apparatus and electric vehicle using the same An AC variable speed driving apparatus including an AC motor and an inverter for driving the motor. The AC motor includes a synchronous motor and an induction... |
| US-5,365,152 |
Apparatus for controlling the power to a discharge-lamp In a discharge-lamp lighting apparatus for lighting a discharge lamp such as a metal halide lamp, there is provided a lighting control circuit which controls its... |
| US-5,365,151 |
Gas discharge lamp ballast circuit with frequency modulated pulse control The application relates to a ballast for the pulsed-mode operation of gas discharge lamps (EVG) and a use of a self-excited or externally controlled half or full... |
| US-5,365,150 |
Inverter device having load voltage detection function An inverter device made detectable at a high speed and highly precisely a load voltage of all waves in one cycle, with an arrangement including a voltage... |
| US-5,365,149 |
Apparatus and method for producing a frequency based visual effect A variable lighting apparatus for visually simulating and translating the frequencies present in an input signal to a light, the characteristics of which may be... |
| US-5,365,148 |
Sinusoidal inductorless dimmer providing an amplitude attenuated output A dimmer control circuit for application to a load bank produces a sinusoidal power wave form exhibiting the desirable characteristic of suitable rise and fall... |
| US-5,365,147 |
Plasma stabilizing apparatus employing feedback controls A plasma stabilizing apparatus having circuits for measuring electron temperature and electron density of a plasma using triple probes, a plasma gas pressure... |
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