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Patent # Description
US-5,574,651 Method and system for machining muntin sections and seating bars
A system and method for machining muntin sections and seating bars for assembly into muntin lattices using machines that notch and crimp the muntin sections and...
US-5,574,650 Method and apparatus for calibrating the gyros of a strapdown inertial navigation system
A method and apparatus for minimizing the effect of lateral velocity transients upon an aircraft inertial instrument calibration process of the type in which...
US-5,574,649 Position-locating method and apparatus including corrections for elevational changes
A method and apparatus for navigation of a vehicle travelling over a terrain in which the changes in elevation of the vehicle are continuously measured, in...
US-5,574,648 Airport control/management system using GNSS-based methods and equipment for the control of surface and...
An improved airport control/management system for controlling and managing the surface and airborne movement of vehicular and aircraft within a defined and...
US-5,574,647 Apparatus and method for computing wind-sensitive optimum altitude steps in a flight management system
An apparatus and method for determining the best legal flight altitudes, and the best points at which to change to a new legal flight altitude, such that the...
US-5,574,646 Gear noise evalutation system
A gear noise evaluation system having a neuro-computer which is provided with sound pressure values from an FFT analyzer. At this time, an evaluator...
US-5,574,645 Manifold absolute pressure sensor emulator
A manifold absolute pressure (MAP) sensor emulator is used to emulate the operation of a properly functioning MAP sensor of the type under test. The test...
US-5,574,644 Automatic brake control system
An automatic brake control system produces a warning before automatically making the braking action of a driving vehicle according to the velocities of the...
US-5,574,643 Traction control for a machine with electronic engine and transmission controls
A traction control for a machine calculates percent slip for the wheels and controls operation the differential lock and the throttle control. It turns both the...
US-5,574,642 Track trencher information system and process
A system for acquiring and displaying information associated with the operational conditions of a track trencher excavation machine. A plurality of informational...
US-5,574,641 Apparatus and method for improving the awareness of vehicle drivers
An apparatus and method for detecting heartbeat pulse information of a driver, including determining a level of awareness of the driver from the heartbeat pulse...
US-5,574,640 Case-based scheduling method for creating a schedule
The present invention is embodied in a machine-implemented method of automatically correcting errors in an industrial schedule. The invention maintains a set of...
US-5,574,639 System and method for constructing filters for detecting signals whose frequency content varies with time
A system and method for constructing a bank of filters which detect the presence of signals whose frequency content varies with time. The present invention...
US-5,574,638 Method of optimal scaling of variables in a multivariable predictive controller utilizing range control
A process control system which includes at least one manipulated variable and at least one controlled variable, provides a method for robust control of a...
US-5,574,637 Control apparatus for an automated production system workcell
A robot, DI/DO devices, and an operation panel in an automated production system workcell are controlled by a single workcell controller 17. Workcell operation...
US-5,574,636 Zero-voltage-transition (ZVT) 3-phase PWM voltage link converters
An improved zero voltage transition (ZVT) pulse width modulation (PWM) link converter is provided which introduces a space vector modulation scheme and an...
US-5,574,635 AC-DC converter comprising a filtering device
The converter comprises a rectifier circuit, choppers, chopper control circuits and an input filter of LC type. The control circuits comprise loops regulating...
US-5,574,634 Regulator for pumped voltage generator
According to the invention, a regulated voltage pump is provided which uses a chain of diodes between each of which is attached one plate of a capacitor for...
US-5,574,633 Multi-phase charge sharing method and apparatus
A multi-phase charge sharing technique for electrical and electronic circuits. During a first phase, I/O drivers for circuit outputs that are to change value are...
US-5,574,632 Power supply comprising a circuit for limiting inrush currents
A power supply which serves to convert an alternating voltage supplied by an electric mains, into a DC voltage, having a rectifier with input terminals for...
US-5,574,631 Magnetic filter
A magnetic filter filters substantially all of the harmonic frequency currents from a plural-phase power circuit. The power circuit may have three power lines...
US-5,574,630 Laminated electronic package including a power/ground assembly
A power/ground structure and associated circuit card or board are provided in which the coefficient of thermal expansion of the power/ground structure and...
US-5,574,629 Solderless printed wiring devices
In a printed wiring device, the combination of a substrate having a metal-plateable member and an electrical component having a metal plateable lead connected...
US-5,574,628 Rigid PCMCIA frame kit
This invention is directed too a PCMCIA frame kit having improved stability, where the kit is intended to receive a planar electronic device for electrical...
US-5,574,627 Apparatus for preventing the formation of condensation on sub-cooled integrated circuit devices
Resistive ink elements are applied to the exposed surfaces of thin sections or thermal insulation provided to cooled integrated circuit devices within a computer...
US-5,574,626 Add-on heat sink
An add-on heat sink for increasing the thermal efficiency of an existing heat sink comprises a support base, a first plurality of fins extending from the support...
US-5,574,625 Portable information processing apparatus having multiple rotatable port covers
A portable information processing apparatus includes a housing storing electronic components. The housing includes first to third card storage portions having...
US-5,574,624 Ventilation system for arc-resistant switchgear enclosure
An improved arc-resistant switchgear enclosure is disclosed. The disclosed arc-resistant switchgear enclosure provides a cost effective means to collect and...
US-5,574,623 Device panel with in-molded applique
A method of producing a molded assembly for at least partially encapsulating a touch panel structure. The method includes providing a touch panel structure which...
US-5,574,622 Power truck
The invention involves a portable and mobile power distribution device which can provide 12,000 watts of power and needs only a 220 volt source. The invention...
US-5,574,621 Integrated circuit capacitor having a conductive trench
A capacitor (58) for an integrated circuit having a conductive trench (50), disposed below a bottom electrode layer (52), that electrically connects the bottom...
US-5,574,620 Electrical component resistant to damage by infrared radiation
In an electrical component that contains materials that can physically and/or chemically change under the influence of heat (infrared) radiation required during...
US-5,574,619 Apparatus for generating anions in video appliances
The invention releases anions out of a main body using convection caused by heat from heating elements inside a product without a fan or a blower. To make up for...
US-5,574,618 ESD protection using SCR clamping
An SCR clamp provides a low impedance discharge path for static charges across on IC's pins. The SCR clamp cathode, cathode, gate anode, and anode gate float...
US-5,574,617 Fuel injection valve drive control apparatus
A fuel injection valve drive control apparatus in which an opening current is supplied to an excitation coil to open an electromagnetic fuel injection valve, and...
US-5,574,616 Degaussing technique
To degauss cassettes of magnetic tape, a magnetic field is applied to the magnetic material while the magnetic material moves with respect to the field in a...
US-5,574,615 Air spark gap for determining the maximum voltage at a voltage surge suppressor
The present invention relates to an air spark gap for determining the maximum voltage at an aged voltage surge suppressor (5) comprising an electrode arrangement...
US-5,574,614 Protection plug
An over-voltage protection plug for telecommunication installations, including a housing with a printed-circuit board, a voltagesurge suppressor, a slider, a...
US-5,574,613 Lightning arrester having machinery built-in
It is an object to provide a lightning arrester having machinery built-in in which an axial length of an insulating tube which stores therein zinc oxide elements...
US-5,574,612 Power connection system for service panel utilizing a quick plug-in electrical receptacle
An electrical receptacle directly mounts on a conventional service panel to adapt the panel for electrical connection with a standard power cord. The receptacle...
US-5,574,611 Service interruption minimizing system for power distribution line
Upon the occurrence of a fault on the first distribution line, a faulty section on the distribution line is pinpointed, then a tie point switchgear at the tie...
US-5,574,610 Electrical isolation device
An electrical isolation device is connected at input terminals in lines between a structure to be cathodically protected and a ground, or between two...
US-5,574,609 Fail-safe MOS shutdown circuitry
A dual discharge network is shown discharging any residual charge on the gates of MOSFET's used to protect a device from over voltages. The dual discharge...
US-5,574,608 Brushless motor lock detection apparatus
A brushless motor lock detection apparatus for detecting a locked condition of a rotor of a brushless motor includes a pulse generator for generating pulses...
US-5,574,607 Magnetic disk cartridge
The magnetic disk cartridge of the present invention comprises a cartridge frame and, freely rotatably disposed therein, a magnetic disk comprising a magnetic...
US-5,574,606 Magnetic head having dust handling tape slide surface
A magnetic head for writing and/or reading out data into and/or from a magnetic tape has surfaces defining a reference plane for determining a position of an...
US-5,574,605 Antiferromagnetic exchange coupling in magnetoresistive spin valve sensors
A magnetoresistive read sensor based on the spin valve effect in which a component of the read element resistance varies as the cosine of the angle between the...
US-5,574,604 Inner diameter disk drive head/slider load/unload device
A load/unload device to remove the slider from the proximity of the magnetic recording surface of a disk in a disk drive whenever the disk is to be stopped. The...
US-5,574,603 Magnetic tape recording and playback device with spring actuated head placement
In a magnetic tape recording and playback device, a resilient body is engaged with a head base. At the time of recording and playing back a tape, the head base...
US-5,574,602 Processing servo signals concurrently read from plural spaced-apart servo areas for a magnetic tape having...
In a magnetic tape drive, a magnetic head simultaneously senses plural track lateral position indicators to generate a like plurality of independently generated...
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