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| Patent # | Description |
|---|---|
| US-4,672,538 |
Method of dynamically changing formation of addresses in memory of a
data processing system There is provided a method of dynamically changing the formation of addresses in a memory of a data processing system having a segment descriptor register... |
| US-4,672,537 |
Data error detection and device controller failure detection in an
input/output system A multiprocessor system of the kind in which two or more separate processor modules are interconnected for parallel processing includes interprocessor buses... |
| US-4,672,536 |
Arbitration method and device for allocating a shared resource in a data
processing system An arbitration method and device for a data processing system wherein N units share a common resource, to allocate the shared resource to a given unit selected... |
| US-4,672,535 |
Multiprocessor system In a multiprocessor system of the type in which two or more separate processor modules are connected by an interprocessor bus dedicated exclusively to... |
| US-4,672,534 |
Integrated circuit device incorporating a data processing unit and a ROM
storing applications program therein An integrated circuit device includes a data processing unit (CPU), a first read only memory (ROM) storing an applications program to be executed in the CPU, a... |
| US-4,672,533 |
Electronic linkage interface control security system and method An electronic computer linkage interface control security system that allows a remote computer terminal to control the across to a main computer. The system... |
| US-4,672,532 |
Software/hardware integration control system A method and control system for integrating machine independent software written in a high level language with the hardware and software characteristics of a... |
| US-4,672,531 |
Elevator supervisory learning control apparatus An elevator supervisory-learning control apparatus for reliably predicting future elevator traffic on the basis of a learning function determined taking the... |
| US-4,672,530 |
Distributed control with universal program A distributed control system controlling a plurality of subprocesses wherein each of the process control computers (44, 46, 48) executes a preprogrammed set of... |
| US-4,672,529 |
Self contained data acquisition apparatus and system A self contained data acquisition and control system and apparatus with direct process input and output capability. Designed to operate within the harsh... |
| US-4,672,528 |
Resonant inverter with improved control A resonant inverter is operated in a manner to provide a substantially constant output voltage to a load. The inverter is controlled using either a frequency... |
| US-4,672,527 |
Method and apparatus for supplying a system for processing electrical
signals In a circuit supplying a digital system, the frequency at which the switching device therein is controlled is synchronized to be the same as one or several times... |
| US-4,672,526 |
Rectifying circuit arrangement for generating at least one controllable
direct voltage from at least one... In order to produce direct voltages with greater flexibility, a rectifier (1) according to the invention comprises an alternating voltage measuring sensor (25),... |
| US-4,672,525 |
Guard system for inverter apparatus An inverter using gate turn-off thyristors (GTOs) is controlled by means of pulse width modulation (PWM) to control the speed of an induction motor. If the... |
| US-4,672,524 |
Overcurrent and overvoltage protected transistor inverter An inverter that has one or more transistors for supplying current to a load with one or more phases is provided with an overcurrent protection for the... |
| US-4,672,523 |
Protective device for a load connected to a power supply line of an
electric power system The present invention relates to a protective device for a load connected to a power supply line of an electric power system, comprising an LC network having... |
| US-4,672,522 |
Power factor correcting network An electronic ballast for energizing one or more gaseous-discharge lamps and for regulating the power consumed thereby, the ballast including a power supply for... |
| US-4,672,521 |
Power converter for synthesizing a wave form A power converter (10) for supplying an output wave shape as a function of an oscillator (22) input utilizing a power output switching stage. A band limit... |
| US-4,672,520 |
Current-source power converting apparatus with self-extinction devices A current-source power converting apparatus having a three phase AC-DC converter composed of self-extinction devices for converting an AC power furnished from an... |
| US-4,672,519 |
Method for controlling a H.V.D.C. power transmission plant and a control
means embodying the method An HVDC power transmission plant with a rectifier station and an inverter station interconnected by a d.c. power transmission line is disclosed. The plant has a... |
| US-4,672,518 |
Current mode control arrangement with load dependent ramp signal added
to sensed current waveform A switching converter in which current mode voltage regulation is implemented includes circuitry to add ramp compensation to the sensed current signal at light... |
| US-4,672,517 |
Switched power supply of the forward converter type A transformer isolated switched power supply of the forward converter type in which a small bias winding is provided on the transformer so that both sides of the... |
| US-4,672,516 |
Primary side clock single-ended forward converter with connectible
secondary circuits and having switchable... A single-ended flow converter which is clocked at the primary winding side and which is provided with a controller and monitor and comprises a plurality of... |
| US-4,672,515 |
Utility light adjusting and securing device The present invention consists of a device that provides for easy adjustment of the direction of illumination produced by a utility light through a multiplicity... |
| US-4,672,514 |
Electrical reflector lamp The electrical reflector lamp according to the invention has a blown lamp vessel (1) comprising a light-transmitting part (4) opposite to a neck-shaped part (3).... |
| US-4,672,513 |
Illuminating system for three-dimensional objects Three dimensional objects such as plants, are illuminated with indirect, substantially glare-free, directional lighting. Artificial light is generated at a... |
| US-4,672,512 |
Solid electrolytic capacitor During operation of a solid electrolytic capacitor having manganese dioxide as a semiconductor compound, the impedance and the loss factor increase whereas the... |
| US-4,672,511 |
Electrical installation comprised of individual assemblies The invention concerns an electrical system consisting of removable, variably sized, individual sub-assemblies interconnected electrically and physically with an... |
| US-4,672,510 |
Package for an expandable remote interface unit A housing for a remote interface unit is shown. The housing has a geometry to be appropriate for use with a small data processing system. The housing contains an... |
| US-4,672,509 |
Air cooling assembly in an electronic system enclosure An air cooling assembly in an electronic system enclosure having an upper wire rack and a lower wire rack. A plurality of logic module cassettes are located... |
| US-4,672,508 |
Mounting rail A mounting rail for electrical components comprises a base having parallel upstanding flanges thereon each containing a plurality of apertures, one of the... |
| US-4,672,507 |
Electrical wound capacitor with reduced self-inductance An electrical wound capacitor has a winding positioned on a core tube positioned in a housing. Outer terminals are connected to electrodes of the capacitor... |
| US-4,672,506 |
Capacitor A capacitor in which the dielectric material comprises a biaxially oriented polyphenylene sulfide film and the electrodes are thin layers or foils of a metal is... |
| US-4,672,505 |
Corona discharging device A corona discharging device having a corona discharging electrode to which a high voltage is applied to produce corona discharge. The high voltage applied to the... |
| US-4,672,504 |
Electronic generator for air purification An electronic generator for air purification includes a molded plastic housing having a flat floor and a cover. The housing has an air inlet and a fan pulls air... |
| US-4,672,503 |
Electric field forming apparatus An electric field forming unit that has a long surface life, high reliability, and provides a uniform surface corona discharge along the entire length of the... |
| US-4,672,502 |
Overdissipation protection circuit for a semiconductor switch An overdissipation protection circuit for a semiconductor switch is disclosed in which the switch circuit is converted into a relaxation oscillator when the... |
| US-4,672,501 |
Circuit breaker and protective relay unit Circuit protection and protective relay functions are provided by common circuit elements under the control of a single processor unit. Voltage and current... |
| US-4,672,500 |
Protective device for electrostatic sprayer equipment Electrostatic spraying equipment having, in a working area likely to contain inflammable mixtures, at least a terminal part of a high-voltage generator with an... |
| US-4,672,499 |
Magnetic disk cartridge including a disk cleaner A magnetic disk cartridge has a case, a magnetic disk rotatably housed in the case, a cleaning liner positioned between the magnetic disk and an inner wall... |
| US-4,672,498 |
Tape cassette having reels with limited axial travel A tape cassette comprises a cassette housing including an upper section and a lower section. The upper section has a top wall including an opaque portion and a... |
| US-4,672,497 |
Magnetic tape cassette A magnetic tape cassette comprises a cassette body for housing a magnetic tape wound around hubs and provided with tape pull-out holes at ends of a front face,... |
| US-4,672,496 |
Magnetic head having electromechanical transducer disposed at one end
thereof A thin magnetic film is deposited over a nonmagnetic or piezoelectric substrate. When a shock wave is propagated through this substrate from its one end to the... |
| US-4,672,495 |
Thin-film magnetic head A thin-film magnetic head includes a substrate composed of a plurality of blocks, a plurality of lower magnetic layers alternating with the blocks, and an upper... |
| US-4,672,494 |
Magnetic head for effecting perpendicular magnetic recording In a magnetic head for perpendicular magnetization recording of a main magnetic pole exited type, a high permeability magnetic thin layer is held at its top... |
| US-4,672,493 |
Thin-film magnetic head with a double gap for a recording medium to be
magnetized vertically A thin-film magnetic head with a layer-wise build-up on a nonmagnetic substrate for a recording medium which can be magnetized vertically comprises a magnetic... |
| US-4,672,492 |
Magnetic head assembly for tape recorders having reversible tape motion In a tape recording/reproducing apparatus having reversible tape motion, a magnetic head assembly comprises an outer member movable from a tape noncontact... |
| US-4,672,491 |
Apparatus for positioning objects of low mass, in particular magnetic
heads In a memory processing unit, a magnetic-head positioning device having a longitudinally actuated carriage with a guide plate carrying the head, or heads, which... |
| US-4,672,490 |
Recording and reproducing device for magnetic disc including a head
damping device In a recording and reproducing device for a magnetic disc, a swingable holder fixedly supports a first magnetic head, while a carriage supporting the holder... |
| US-4,672,489 |
Head rotation apparatus for video tape recorder A head rotation apparatus for mounting and rotating the record/reproduce heads of a video tape recorder includes a head drum having a planar main face formed... |
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