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| Patent # | Description |
|---|---|
| US-5,537,028 |
Electricity meter and method for measuring apparent power An electricity meter and method for measuring VA power consumption. The electricity meter comprises a transducer circuit receiving line current and line voltage... |
| US-5,537,027 |
Calibration system for an asymmetrical ramp generator system A calibration system for an asymmetrical ramp generator system for a pulse width modulator wherein a current splitting circuit establishes a slew rate and a... |
| US-5,537,026 |
Method and apparatus for power controller operation using master and
slave firing units A power controller (10) and a method for supplying power to a power distribution network (N) in which power from a polyphase source (G) is routed to using... |
| US-5,537,025 |
Battery charger/pre-exciter for engine-driven generator An engine-driven generator having a battery powered starter motor includes a permanent magnet battery charger/pre-exciter for charging the starting battery and... |
| US-5,537,024 |
Circuit arrangement to detect a voltage In a circuit arrangement to detect a voltage (U), the voltage is applied to the input of a voltage detector (VD) through a voltage divider (R1, R4), the voltage... |
| US-5,537,023 |
Charging method for storage batteries The invention relates to a charging method for storage batteries, in particular for NiCd and NiMH cells. According to the invention, the rise in the charging... |
| US-5,537,022 |
Enclosed battery holder An enclosed battery charger including a seat, a cover, and a conductive metal plate means. The seat is provided with a partition which has one end thereof... |
| US-5,537,021 |
Low-loss resonant circuit for capacitance driver A fast lossless power MOSFET gate capacitance (C) driver uses a 3-winding transformer (T) to secure clamping (N, Vc, D) of the turn-on voltage level by coupling... |
| US-5,537,020 |
Method and apparatus for starting up a synchronous machine The method and the apparatus are for starting up a synchronous machine having a rotor and a stator provided with a winding. The rotor has an initial position... |
| US-5,537,019 |
Switched reluctance motor providing rotor position detection at high
speeds without a separate rotor shaft... A switched reluctance motor includes a rotor mounted for rotation about an axis, and having a plurality of rotor poles, and a stator surrounding the rotor and... |
| US-5,537,018 |
Method of an apparatus for controlling the movement of machine element A method of and an apparatus for controlling the drive of a machine element of a spinning or twisting machine for exact positioning of the machine element at... |
| US-5,537,017 |
Self-propelled device and process for exploring an area with the device The device and process is utilized for exploring an unknown working area. It is not necessary for this purpose to apply any markings in the area before using the... |
| US-5,537,016 |
Method for verifying the performance accuracy of a numerically
controlled machine The invention relates to a method for verifying the performance accuracy of an NC machine by comparing a desired circular path with the actual circular path... |
| US-5,537,015 |
Semiconductor circuit for a DC motor It is an object of the invention to provide a transistorized full-bridge driving circuit for an electronically commutated collectorless dc motor, in which... |
| US-5,537,014 |
Apparatus for feedback of an analog signal used to monitor and/or
control dynamic braking and method of operating A locomotive throttle controller having a CPU and output driver stage. Such CPU generates an analog voltage based on software logic and transmits to the output... |
| US-5,537,013 |
Control apparatus for power window This invention prevents a power window from trapping a hand or the like during manual opening and closing of the window as well as during automatic opening and... |
| US-5,537,012 |
DC motor control circuit and DC motor A DC motor control circuit for controlling a restraint torque of a DC motor which continues the rotation by triggering an external force. This control circuit is... |
| US-5,537,011 |
Method and apparatus for promoting even wear in a multiple-motor
drivetrain An invention is disclosed which promotes even wear within a multiple-motor drivetrain. In one embodiment of the invention, a vehicle drivetrain includes two... |
| US-5,537,010 |
Voltage-comparator, solid-state, current-switch starter for fluorescent
lamp A starter for a fluorescent lamp selectively conducts current from an AC power source through a ballast and cathodes of the lamp during one half cycle of... |
| US-5,537,009 |
Transition of a substance to a new state through use of energizer such
as RF energy A material such as a gas at an initial pressure below atmospheric is treated with RF energy at a frequency greater than 1 MHz to transition to a glow discharge... |
| US-5,537,008 |
High voltage incandescent lamp with low-pressure Kr/N.sub.2 gas fill An incandescent lamp which is operable at about 200-275 V is obtainable by enclosing a filling composition consisting of about 80-95% by volume of krypton gas... |
| US-5,537,007 |
Field emitter display device with two-pole circuits By incorporating two-pole circuits (13) as switching elements in a picture display device based on field emission, the emission (and hence the picture intensity)... |
| US-5,537,006 |
Power supply A power supply for an incandescent lamp by which sufficient power is supplied to the lamp to enable the lamp to reach its desired color temperature without... |
| US-5,537,005 |
High-current, low-pressure plasma-cathode electron gun Plasma-cathode electron gun structures capable of operation in low-pressure, e.g., <5.times.10.sup.-3 Torr, ionizable gas environments are disclosed. They... |
| US-5,537,004 |
Low frequency electron cyclotron resonance plasma processor A plasma processor includes a cylindrical processing chamber storing a semiconductor wafer to be processed, a slot antenna, wound around the outside of a... |
| US-5,537,003 |
Control system for automotive vehicle headlamps and other vehicle
equipment A control system is provided for controlling the energization of the headlamps on a first automotive vehicle, the headlamps being electrically energizable and... |
| US-5,537,002 |
Frequency tunable magnetron including at least one movable backwall There is provided a tunable high power magnetron. An annular anode circumscribes a cathode and contains a plurality of resonating cavities. The volume of the... |
| US-5,537,001 |
Flat vacuum chambers without pumping stem A flat vacuum without pumping stem, for the manufacturing of display screens, comprises two plates made of glass, a sealing peripheral joint interrupted so as to... |
| US-5,537,000 |
Electroluminescent devices formed using semiconductor nanocrystals as an
electron transport media and method of... An electroluminescent device is described, as well as a method of making same, wherein the device is characterized by a semiconductor nanocrystal electron... |
| US-5,536,999 |
Planar fluorescent lamp with extended discharge channel A flat planar fluorescent lamp having barrier structures overlaying the electrodes is described. The barrier structures include barrier walls and platforms... |
| US-5,536,998 |
Fluorescent lamp with a protective assembly A protective assembly for a standard fluorescent lamp includes a protective tube that is preformed from a semi-rigid, non-frangible polymeric transparent or... |
| US-5,536,997 |
Cathode ray tube A cathode ray tube in which a glass-enamel layer having particles with a secondary electron emission coefficient smaller than 1, for example Cr.sub.2 O.sub.3... |
| US-5,536,996 |
Anti-implosion band in a cathode ray tube having improved structure for
protecting suspension elements An anti-implosion band (4) for a cathode my tube comprises a suspension element (5) on its corners with the suspension element having a suspension aperture (8).... |
| US-5,536,995 |
Glass bulb for a cathode ray and a method of producing the same A glass panel 3 for a glass tube for a cathode ray tube has a flat panel face portion 7 and a reduced thickness while maintaining a sufficient strength without... |
| US-5,536,994 |
Photoresist for cathode ray tubes The inner surface of a video display panel such as cathode ray tube (CRT) glass faceplate is initially coated with a mixture of one of the primary color... |
| US-5,536,993 |
Clustered field emission microtips adjacent stripe conductors The emitter plate 60 of a field emission flat panel display device includes a layer 68 of a resistive material and a mesh-like structure 62 of an electrically... |
| US-5,536,992 |
Linear electron beam tubes arrangements An inductive output tetrode includes a cylindrical ceramic envelope within which is located an electron gun including a cathode and grid. An annular resonant... |
| US-5,536,991 |
Lamp having silica protective coating An electric lamp, such as an incandescent linear quartz heat lamp, is provided having a vitreous light transmissive envelope having an exterior surface and a... |
| US-5,536,990 |
Piezoelectric igniter A device for producing an electrical output within a larger apparatus which generates the electrical output by use of energy already available within the... |
| US-5,536,989 |
Circuit arrangement for saw substrates A SAW substrate is disclosed which can be adapted to a particular signal in multitude of signal possibilities. Each signal adaptation is made by connecting... |
| US-5,536,988 |
Compound stage MEM actuator suspended for multidimensional motion A microelectromechanical compound stage microactuator assembly capable of motion along x, y, and z axes for positioning and scanning integrated electromechanical... |
| US-5,536,987 |
Alternating current generator for a motor vehicle An alternating current generator for a motor vehicle includes magnet type field cores, i.e., field cores with claw poles on which permanent magnets are... |
| US-5,536,986 |
Spindle motor A spindle motor comprising a bracket, a shaft member provided on the bracket, a rotor rotatably mounted to the shaft member through a pair of bearings, a rotor... |
| US-5,536,985 |
Composite armature assembly A method of manufacturing an armature for a DC motor comprising the steps of: (a) retaining a plurality of armature conductors pre-positioned in a pre-mold... |
| US-5,536,984 |
Voice coil actuator A voice coil actuator includes a magnetic flux conductive material core, a magnet and an electrical current conductive coil. The core has a first surface and a... |
| US-5,536,983 |
Linear motor A plurality of permanent magnets is disposed in a pair of yoke sections so that magnetic poles adjacent to each other and facing each other have opposite... |
| US-5,536,982 |
Ultra thin polymer film electret The invention concerns an ultra thin polymer film electret comprising a polymer and a substrate having a surface electric charge, wherein a side chain of the... |
| US-5,536,981 |
Circuit card mounting shelf apparatus having automatic identification
number setting function A circuit card mounting shelf apparatus having an automatic identification number setting function by which the identification number of a circuit card can be... |
| US-5,536,980 |
High voltage, high current switching apparatus A high voltage, high current DC switch is shown having a single pole, double throw relay and a solid state power switch such as an IGBT or MOSFET transistor.... |
| US-5,536,979 |
Charger for hand-held rechargeable electric apparatus with switch for
reduced magnetic field A system transfers electric power between two devices using a magnetic coupling and no electrical connections. Each device incorporates a magnetic core... |
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