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| Number | Title | Issue Date |
| 5651264 | Flexible process controller A flexible process controller for coordinating the operations of various equipment is disclosed. Briefly stated, in the preferred embodiment of the present invention, various parameters of the sub-systems in a HVAC system are monitored and made alterable ... | 07/29/1997 |
| 5633580 | Direct load current sensing for predicted regulator tap position A tap changer including a tap positionable to vary the winding ratio of the transformer in response to changes in an electric load on the transformer is disclosed herein. The transformer includes an electric drive which is responsive to raise or lower sig... | 05/27/1997 |
| 5617286 | Circuit breaker having data recording This invention relates, generally, to the recording of power related characteristics of power flowing through an electronic circuit breaker. Briefly stated, an electronic circuit breaker having a micro-processor therein and at least one port or pin on the... | 04/01/1997 |
| 5615364 | Apparatus and method for performing the backup of a primary database using a back up database A Redundant Networked Database System is taught. Briefly stated, Control System Computers are designated for primary and backup database operation with applications being inputable to either primary or backup. Upon changes to the database, the primary and... | 03/25/1997 |
| 5594917 | High speed programmable logic controller A high speed programmable logic controller is taught. Briefly stated a Programmable Logic Controller having memory, a microprocessor and a Co-Processor are operatively interconnected using a Harvard style architecture therefore having separate data and in... | 01/14/1997 |
| 5545974 | Variamp oil temperature control A voltage regulator controller of the types used with a multi-tap voltage regulator transformer having a plurality of tap positions for adjusting an output voltage in discrete tap position steps is provided with a number of control algorithms which are dy... | 08/13/1996 |
| 5463533 | Variable depth load center enclosure An adjustable depth electrical enclosure is taught. Briefly stated, a load center housing has inverted T shaped slots provided along its exterior. A bracket having an adjusting screw swagged thereto is extended through the T slot so that the bracket can r... | 10/31/1995 |
| 5447576 | Composition and method for encapsulating a solar cell which minimizes thermal discoloration A composition and method for encapsulating a solar cell which minimizes thermal discoloration, or browning, of the encapsulant. The composition includes an EVA encapsulant, a curing agent and one of two particularly well-suited hindered amine light stabil... | 09/05/1995 |
| 5369542 | Dual trip circuit for circuit breaker A trip circuit for tripping a circuit breaker has a first coil having a relatively large number of turns and therefore a relatively slow reaction time and a second coil having a relatively small number of turns and therefore a relatively fast reaction tim... | 11/29/1994 |
| 5359640 | X-ray micro diffractometer sample positioner An X-ray diffractometer having a simple yet accurate means for locating the surface of the sample to be examined with respect to the zero point of the X-ray (RS) is disclosed. Briefly stated, a laser (LA) and camera (KA) are positioned at preferably 90° ... | 10/25/1994 |
| 5323309 | Algorithm for optimizing data sampling in a discrete periodic system with a bounded rate of change for the discrete system periods An auxiliary resolver position tracking (RPT) system for an industrial robot includes a resolver excitation and monitoring system which is powered by an uninterruptable power supply which includes a battery. The RPT system generates trapezoidal excitation... | 06/21/1994 |
| 5321574 | Circuit breaker/surge arrestor package in which the arrestor uses an MOV that is thermally de-coupled from the breaker's thermal trip circuit A circuit breaker/surge arrestor package for plug-in installation in the space of two standard one-inch openings in a contemporary residential load center. The electrical and thermal characteristics of the components are selected such that a threshold of ... | 06/14/1994 |
| 5204603 | Open circuit detection for a pulsed resolver position sensing system An auxiliary resolver position tracking (RPT) system for an industrial robot includes a resolver excitation and monitoring system which is powered by an uninterruptable power supply which includes a battery. The RPT system generates trapezoidal excitation... | 04/20/1993 |
| 5200683 | Method for optimizing sampling rates for position tracking for motion control systems An auxiliary resolver position tracking (RPT) system for an industrial robot includes a resolver excitation and monitoring system which is powered by an uninterruptable power supply which includes a battery. The RPT system generates trapezoidal excitation... | 04/06/1993 |
| 5198739 | Software controllable circuit for resolver excitation switching in a motion control system An auxiliary resolver position tracking (RPT) system for an industrial robot includes a resolver excitation and monitoring system which is powered by an uninterruptable power supply which includes a battery. The RPT system generates trapezoidal excitation... | 03/30/1993 |
| 5198735 | Method for eliminating position tracking errors in the presence of resolver excitation errors for motion control systems An auxiliary resolver position tracking (RPT) system for an industrial robot includes a resolver excitation and monitoring system which is powered by an uninterruptable power supply which includes a battery. The RPT system generates trapezoidal excitation... | 03/30/1993 |
| 5163854 | Field wirable VME compatible edge card connector A high power density field wireable connector wherein both the wire insertion and the screw tightening mechanism for retaining an inserted wire in the connector are front accessible and negate the requirement to remove the module as in the prior art. The ... | 11/17/1992 |
| 5150437 | Electro-optical scanner Electro-optical Scanner comprising an optical waveguide (41) and an acoustic waveguide (42), arranged on a transparent substrate (40) and being colinear with respect to each other, for deflecting light waves out from the optical waveguide (41) by colinear... | 09/22/1992 |
| 5150328 | Memory organization with arrays having an alternate data port facility A memory organization having one or more groups of memory arrays is disclosed. Each array, which may be on a single chip, is provided with both a data port and a separate address port which may also serve as an alternate data port. Use of the alternate da... | 09/22/1992 |
| 5144634 | Method for mirror passivation of semiconductor laser diodes A method for passivating mirrors in the process of fabricating semiconductor laser diodes is disclosed. Key steps of the method are: (1) providing a contamination-free mirror facet, followed by (2) an in-situ application of a continuous, insulating (or lo... | 09/01/1992 |
| 5130528 | Opto-photo-electric switch A heterojunction optical switch is taught. Briefly stated, birefringence in the form of a Pockel Cell is utilized such that biasing of the Pockel Cell permits the passage of light therethrough. Preferably, a light detector and resistor are electrically in... | 07/14/1992 |
| 5124522 | High accuracy, high flexibility energy beam machining system A high precision system for machining substrates by means of an energy beam includes real time digital signal processor control and a deflection system providing control, within a predetermined field of the substrate, of the angle at which the beam machin... | 06/23/1992 |
| 5120987 | Tunable timer for memory arrays The present invention is directed to a tunable delay element incorporating one-half of a bipolar SRAM cell and a reference generator. In operation, the rising edge and incoming clock pulse sets the receiver/latch, latching the internal clock (i.e., the wr... | 06/09/1992 |
| 5111723 | Punch apparatus with positive slug removal A single stroke punch apparatus includes positive removal by compressed air of workpiece slugs which adhere to the punch. A die plate has a series of bushing receiving features formed from two concentric diameters. The die plate has provision for introduc... | 05/12/1992 |
| 5103493 | Improved planar etched mirror facets A method, and device produced therewith, for improving the planarity of etched mirror facets 18 of integrated optic structures with non-planar stripe waveguides, such as ridge or groove diode lasers or passive devices such as modulators and switches. The ... | 04/07/1992 |
| 5100220 | Semiconductor laser diode arrangement and method of making same A semiconductor device, formed on a wafer, comprises an array of laser diodes, each emitting a beam parallel to the wafer surface and, integrated with the array, individually tilted deflecting mirrors forming an array of virtual sources. The virtual sourc... | 03/31/1992 |
| 5063173 | Method for mirror passivation of semiconductor laser diodes A method for passivating mirrors in the process of fabricating semiconductor laser diodes is disclosed. Key steps of the method are: (1) providing a contamination-free mirror facet, followed by (2) an in-situ application of a continuous, insulating (or lo... | 11/05/1991 |
| 5032219 | Method for improving the planarity of etched mirror facets A method, and device produced therewith, for improving the planarity of etched mirror facets 18 of integrated optic structures with non-planar stripe waveguides, such as ridge or groove diode lasers or passive devices such as modulators and switches. The ... | 07/16/1991 |
| 5032879 | Integrated semiconductor diode laser and photodiode structure An integrated semiconductor structure with optically coupled laser diode (11) and photodiode 12A, both devices having etched, vertical facets (16A, 21). The photodiode has a spatially non-uniform sensitivity profile with respect to the incident light beam... | 07/16/1991 |
| 5029555 | Wafer holder method and apparatus in a vacuum deposition system A method and apparatus for maintaining orientation of a wafer with respect to the wafer holder and a source emission is disclosed. Briefly stated, a wafer is disposed on a wafer holder and displaced in translation only while made to continuously follow a plana... | 07/09/1991 |
| 5021688 | Two stage address decoder circuit for semiconductor memories A two stage address decoder circuit (AD) for 1/64 decode operation is disclosed which operates at high speed with low power consumption. Briefly stated, the circuit includes a first stage comprised of two predecoder circuits operable to develop predecoded... | 06/04/1991 |
| 4995539 | Method and apparatus for cleaving wafers A method and apparatus for breaking a scribed workpiece such as a semiconductor wafer is taught. Briefly stated, the semiconductor wafer is disposed between two elastomeric foils, one of which is adhesively attached to the side of the workpiece which is n... | 02/26/1991 |
| 4982248 | Gated structure for controlling fluctuations in mesoscopic structures A new solid state device based on mesoscopic phenomena is described. A structure of the mesoscopic device includes phase altering scattering sites at various energy levels disposed in proximity to a conductive channel. The carries in the channel, being is... | 01/01/1991 |
| 4761637 | Touch input device An infrared touch input system is taught. Briefly stated, the system comprises a four-sided frame having an infrared transparent bezel along the inside thereof and having infrared emitters along the top and one side of the frame with infrared detectors al... | 08/02/1988 |
| 4642889 | Compliant interconnection and method therefor A method and device for compliantly interconnecting a surface mount device or the like to a circuit board is taught. Briefly stated, an interposer having interconnect areas is placed between the circuit board and the device to be surface mounted with inte... | 02/17/1987 |
| 4560826 | Hermetically sealed chip carrier A device for producing a hermetically sealed chip carrier is taught. Briefly stated, a sealing or perimeter ring is formed on a substrate with an appropriate lead pattern and IC chip contained within this ring. Vias or ducts are disposed in the substrate ... | 12/24/1985 |
| 4558917 | Electrical connector assembly An electrical connector assembly for terminating flat shielded electrical cable comprises two matable connectors one comprising a housing carrying signal and ground contacts for connection to respective conductors of the cable, and the other comprising a ... | 12/17/1985 |
| 4550959 | Surface mountable coefficient of expansion matching connector A modular connector housing of relatively short length and having a coupling feature, such as a tab at one end and a recess at the other end, is connected with other similar connector housings. A filler material having a melting point lower than that of t... | 11/05/1985 |
| 4547031 | Chip carrier socket and contact A chip carrier socket and contact which provides high contact mating forces and short circuit path length is taught. Briefly stated, a chip carrier socket housing is comprised of a base portion having contacts disposed therein with a retainer portion bein... | 10/15/1985 |
| 4513353 | Connection of leadless integrated circuit package to a circuit board A device for connecting leadless integrated circuit packages to a chip carrier housing or socket and then to a printed circuit board is taught. Briefly stated, a mask is selectively disposed on a printed circuit board. Locating ribs are correspondently di... | 04/23/1985 |
