Patents

Searching:





Search by keyword, patent number, inventor, assignee, city or state:




Patent # Description
US-5,568,054 Probe apparatus having burn-in test function
A probe apparatus having a burn-in test function includes an apparatus body, a probe card, having a plurality of probes, for causing the plurality of probes to...
US-5,568,053 Ionization gauge having a non-time varying magnetic field generator of separated opposed magnets
A cold cathode ionization gauge includes a first and second electrode spaced apart and insulated from one another and having a common axis. A magnetic field...
US-5,568,052 Performance monitor for electric vehicle
A system (10) and method for monitoring usage of current immediately available from the traction batteries (12) of an electric vehicle includes a means (18) for...
US-5,568,051 Magnetic resonance imaging apparatus having superimposed gradient coil
A gradient coil system for a magnetic resonance imaging apparatus is described which has a capability of high-speed switching and high intensity for a certain...
US-5,568,050 Method of magnetic resonance imaging tomography for the simultaneous production of a plurality of image slices
A method for the production and recording of nuclear magnetic resonance (NMR) signals in chosen regions of an investigational object with which, in an excitation...
US-5,568,049 Fiber optic faraday flux transformer sensor and system
A fiber optic Faraday flux transformer sensor is disclosed which comprises: a closed loop of wire being responsive to a first time-varying magnetic field from a...
US-5,568,048 Three sensor rotational position and displacement detection apparatus with common mode noise rejection
Position of a rotatable automotive part is sensed with a trio of magnetic field intensity sensors disposed adjacent a ring that rotates with the automotive part,...
US-5,568,047 Current sensor and method using differentially generated feedback
A current sensor has one signal interface channel including a transformer having a primary winding, a secondary winding and a feedback winding. A magnetic core...
US-5,568,046 Inactive state termination tester
An inactive state termination tester for determining the number of terminators connected to a bus when the bus is inactive. The termination tester monitors the...
US-5,568,045 Reference voltage generator of a band-gap regulator type used in CMOS transistor circuit
A reference voltage generator of the so-called band-gap regulator type is disclosed, which includes a pair of bipolar transistors, a resistor circuit coupled to...
US-5,568,044 Voltage regulator that operates in either PWM or PFM mode
A switching voltage regulator achieves high efficiency by automatically switching between a pulse frequency modulation (PFM) mode and a pulse-width modulation...
US-5,568,043 Dual voltage generation circuit
A dual voltage generation circuit, responsive to a switching signal, to selectively generates a constant voltage at an output terminal is provided. The...
US-5,568,042 Monitoring and control of a filter in a power network
In a method for monitoring and/or control of a plant component (4A, 4B, 4C, 4D) connected to an electric power network (N1, N2), for example a tunable filter for...
US-5,568,041 Low-cost power factor correction circuit and method for electronic ballasts
The present invention provides a low-cost power factor corrected electronic ballast circuit. A preferred embodiment includes a discontinuous conduction mode...
US-5,568,040 Charging arrangement for the time-controlled charging of at least one rechargeable cell
Apparatus for the time controlled charge of a battery includes a switching device to control the supply of charge current to the battery. The switching device is...
US-5,568,039 Apparatus and method of providing an initiation voltage to a rechargeable battery system
An undervoltage recovery pulse network (500) and method used with a lithium ion battery system (400) for providing a initiation voltage to a battery controller...
US-5,568,038 Portable electric equipment and rechargeable built-in batteries
A battery use system for a battery-driven portable electronic equipment includes a first battery chargeable and serving as a direct power supply source, a second...
US-5,568,037 Battery charging system having remotely located charging units
A system for charging batteries having a system controller (12) and battery charging units (16) powered by a common power line (14). The system controller (12)...
US-5,568,036 Contactless battery charging system with high voltage cable
A high voltage cable system for use with a contactless battery charging system that charge propulsion batteries of an electric vehicle, and the like. The...
US-5,568,035 Variable-capacitance power supply apparatus
A variable-capacitance power supply apparatus has an inexpensive structure for variably supplying a desired high power to a load by selecting an appropriate...
US-5,568,034 Fault-tolerant variable speed induction motor drive
A drive arrangement for a fault tolerant variable speed induction motor provides a pair of current (torque and flux) command signals. The current command signals...
US-5,568,033 On-site electric motor start-up diagnostic tool
A diagnostic tool may be attached to the control panel of a piece of machinery within a plant or factory which includes an electric motor. The diagnostic tool...
US-5,568,032 Position control system
A position control system which includes a plurality of actuators for moving an object, a plurality of sensors for detecting the state of the object, a first...
US-5,568,031 Apparatus and method for controlling a driving motor
According to the invention, when directed to slow down a driven device, the speed of a driving motor is reduced from a first speed to a slower second speed. In...
US-5,568,030 Travel control method, travel control device, and mobile robot for mobile robot systems
In the travel control method in the mobile robot system including a plurality of mobile robots and the control station for controlling these mobile robot, the...
US-5,568,029 Joint control system with linear actuation
A system for controlling the operation of a tele-operated machine uses a sensor which senses the angular orientation of the joint, converts the angular...
US-5,568,028 Tool life management system
A tool life management system for managing a tool life. The system includes a load torque measuring device for measuring an initial load torque of a spindle...
US-5,568,027 Smooth rain-responsive wiper control
Disclosed is an automatic windshield wiper control system which responds to sensed moisture in a manner which is responsive to changes in conditions, yet...
US-5,568,026 Synchronizing windshield wipers
Two windshield wiper blades are powered by separate electric motors. The blades overlap and when one blade is at its reversal point the other blade leaves part...
US-5,568,025 Abnormally detecting device for relay
There is disclosed a device for detecting an abnormality in relays which is adapted such that if there is a current flow through a motor (M) when first and...
US-5,568,024 Drive control system and method for battery car
Two motor sensors are disposed at two different angular positions of the motor to generate two pulse signals of different phases. The motor rotational speed and...
US-5,568,023 Electric power train control
In a shared process control system for a power train of a hybrid electric vehicle operating responsive to operation of an accelerator pedal and a brake pedal and...
US-5,568,022 Integrated compliance servovalve
An integrated compliance electrohydraulic servovalve system connected to a load such as a simulated living being to provide more realistic movement thereto. The...
US-5,568,021 Electrostatic accelerator up to 200 kV
In an electrostatic accelerator with a target to be subjected to a beam of electrically charged particles in the energy range of 200 keV in a closed vacuum...
US-5,568,020 Ringing free deflection yoke
An intermediate tap 31 is provided on a vertical deflection coil 22 of a deflection yoke and the intermediate tap is connected to a chassis ground through a...
US-5,568,019 Multi-gap high impedance plasma opening switch
A high impedance plasma opening switch having an anode and a cathode and at least one additional electrode placed between the anode and cathode. The presence of...
US-5,568,018 Fluorescent light ballast circuit
An improved fluorescent light ballast circuit extends the on/off life of a florescent lamp within a lighting circuit having a pair of series connected...
US-5,568,017 Power supply system for discharge lamps, and a vehicle headlamp using such a power supply system
The present invention is concerned with a power supply circuit for discharge lamps, especially those intended for vehicle headlamps. It also relates to a...
US-5,568,016 Power supply for an electroluminescent panel or the like
The present invention discloses an electroluminescent panel and a power supply circuit for applying voltages of alternating current to the electroluminescent...
US-5,568,015 Fluid-cooled dielectric window for a plasma system
A fluid-cooled dielectric window for a microwave plasma system which uses microwave absorbing fluids is described. The window includes a dielectric window and a...
US-5,568,014 Traveling-wave tube amplifier having collector potential lower than body potential
According to this invention, a traveling-wave tube amplifier includes a traveling-wave tube having a multistage depressed collector and a power supply for...
US-5,568,013 Micro-fabricated electron multipliers
A micromachined electron multiplier is disclosed wherein a substrate has at least one trench formed therein and an aperture cover is disposed on the substrate...
US-5,568,012 Fluorescent display tube wherein grid electrodes are formed on ribs contacting fluorescent segments, and...
A fluorescent display tube including a substrate, a plurality of anodes formed on the substrate, fluorescent layers formed on the respective anodes, cathodes...
US-5,568,011 Color picture tube faceplate panel
The present invention provides an improvement in a color picture tube. The tube includes an envelope comprising a faceplate panel, a funnel and a neck. The...
US-5,568,010 Cathode ray tube with improved yoke clamp
The deflection coil for a cathode ray tube is secured to the outside of the glass envelope of the tube via a yoke assembly including a yoke clamp having a band...
US-5,568,009 Electric lamp having a lamp cap with solder-free connections
An electric lamp includes a lamp cap having an insulative body of synthetic material with a bore therein. A lamp cap contact includes a rigid shank received in...
US-5,568,008 Metal halide lamp with a one-part arrangement of a front cover and a reflector
A lamp device having one-piece arrangement of a metal halide lamp and a reflector which has a front cover in which a small, compact shape for installation of a...
US-5,568,007 Lamp unit and optical analyzer using the same
A lamp unit is provided with a projecting portion on the inner wall of the lamphouse in the vicinity of the arc portion. The lamphouse is ventilated by the van...
US-5,568,006 Surface mount crystal package with receptacle mounting
A surface mount crystal package (10) receptacle mounting adapted to canti-leverably receive a piezoelectric element. The surface mount crystal package (10) is...
US-5,568,005 Acoustic-magnetic power generator
The Acoustic Magnetic Field Power Generator uses an acoustic signal focused into a permanent magnet to stimulate the nuclear structure of the magnet to cause the...
← Previous | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 | Next →