| Patent Number |
Title Of Patent |
Date Issued |
| RE33266 |
Folded bit line memory with one decoder per pair of spare rows |
July 17, 1990 |
| A folded bit line configured DRAM, with standard even and odd rows of memory cells, also includes spare even and odd rows of memory cells which can be substituted for standard rows found to have defective cells or interconnections. Each of the decoders associated with a standard row |
| RE32900 |
Fast circuit switching system |
April 4, 1989 |
| A fast circuit switching system that establishes a circuit for each packet-sized data communication. Information is conveyed from a number of communications modules in source channels to a number of port controllers and to a network. Information is conveyed from the network to destinatio |
| RE32893 |
Nonlinear and bistable optical device |
March 21, 1989 |
| The invention is a nonlinear or bistable optical device having a low switching energy. The invention uses a means responsive to light for generating a photocurrent, a structure having a semiconductor quantum well region, and means responsive to the photocurrent for electrically contr |
| RE32858 |
Stored-program control machine |
February 7, 1989 |
| A hierarchical organization of programmable logic arrays permits the control of microprocessor functions to be achieved in a way which allows otherwise wasted clock time to be used. The mostly independent operations of the several PLA's is organized by "handshake" signals from the latche |
| RE32613 |
Method of making contact electrodes to silicon gate, and source and drain regions, of a semicond |
February 23, 1988 |
| In the fabrication of a metal oxide semiconductor field effect transistor (MOSFET) or of a metal gate field effect transistor (MESFET), characterized by a polycrystalline silicon gate (13) and a short channel of about a micron or less, a sequence of steps is used involving the simult |
| RE32580 |
Digital speech coder |
January 19, 1988 |
| An improved speech analysis and synthesis system wherein LPC parameters and a modified residual signal for excitation is transmitted: the excitation signal is the cross correlation of the residual signal and the LPC-recreated original signal. |
| RE32515 |
Apparatus for increasing the speed of a circuit having a string of IGFETS |
October 6, 1987 |
| In an IGFET circuit having a long string of more than two transistors connected in series between an output terminal and a power supply terminal where the load capacitance across the output terminal is on the same order of magnitude as the parasitic capacitances at the junctures of the |
| H434 |
Contacts to III-V semiconductors |
February 2, 1988 |
| A contact structure and method of bonding III-V semiconductors which prevents shorting of the edges of the semiconductor chip and also allows the chip to be bonded with either major surface facing upward. Both surfaces include a gold pad surrounded by a material which is immiscible w |
| H422 |
Apparatus for inverting articles and method for using same |
February 2, 1988 |
| The present invention relates to a method and apparatus for inverting articles utilizing a fixture which comprises a pair of hinged plates each containing a plurality of holes. The holes in opposite sides are in alignment with one another and are connected to two vacuum switches so t |
| D303111 |
Portable computer terminal housing for accessing and inputting patient medical data |
August 29, 1989 |
|
| D295415 |
Adjustable support for plasma display panel |
April 26, 1988 |
|
| D295411 |
Combined voice and data terminal or similar article |
April 26, 1988 |
|
| D294262 |
Portable plasma display monitor |
February 16, 1988 |
|
| D289240 |
Adjustable work table or similar article |
April 14, 1987 |
|
| 5076096 |
Molding of thermoset materials |
December 31, 1991 |
| Various methods have been proposed for measuring the viscosity of thermosetting polymers. It has been found that these method are generally inaccurate. A test which avoids the inaccuracies of previous techniques is proposed. In this test the heated thermosetting resin is forced at a know |
| 4942574 |
Concurrent resource request resolution mechanism |
July 17, 1990 |
| A high capacity metropolitan area network (MAN) is described. Data traffic from users is connected to data concentrators at the edge of the network, and is transmitted over fiber optic data links to a hub where the data is switched. The hub includes a plurality of data switching modules, |
| 4942442 |
Device including a radiation sensor |
July 17, 1990 |
| Radiation-induced effects discovered in layered structures of conductor and semiconductor materials are utilized in radiation-sensitive devices such as, e.g., highly linear as well as highly nonlinear position sensors. Such devices includes a structure of alternating layers of conductor |
| 4918031 |
Processes depending on plasma generation using a helical resonator |
April 17, 1990 |
| Anisotropic plasma etching is accomplished utilizing a helical resonator operated at relatively low gas pressure. The use of this combination yields an extremely high flux of ionic species with resulting rapid anisotropic etching. A helical resonator in conjunction with suitable prec |
| 4916522 |
Integrated circuit package using plastic encapsulant |
April 10, 1990 |
| An integrated circuit package uses an encapsulant frame which prevents the encapsulant used to seal the integrated circuit chip from the ambient atmosphere from flowing to unwanted areas and to permit the encapsulant to be deposited with a controllable depth. |
| 4915472 |
Optical fiber terminal plug connectors |
April 10, 1990 |
| There is disclosed a connector for two terminal plugs having bores in which are recieved respective optical fibers having free ends terminating at the front ends of such plugs. The connector comprises a longitudinal sleeve of sheet metal having a bottom, back and top and a longitudinal o |
| 4914667 |
Hybrid laser for optical communications, and transmitter, system, and method |
April 3, 1990 |
| In the interest of ease of manufacture, hybrid lasers of distributed-Bragg-reflector type are preferred for use as light sources in optical communications. Such lasers are made to operate away from mode instabilities by adjusting a laser parameter such as, e.g., laser temperature, th |
| 4914081 |
Process for making metallized structure and article comprising structure |
April 3, 1990 |
| Processes are described for electroplating metal or alloy on superconducting oxides using either a nonaqueous bath or aqueous bath with suitably applied potential. Articles made in accordance with the electroplating process are also described. |
| 4913659 |
Push cap terminals and terminal boards with same |
April 3, 1990 |
| A terminal board has a base plate and rows and columns of terminals upstanding from such plate. Each terminal comprises (a) an insulative hollow post (b) a metallic terminal strip in the post and having a pair of tangs separated by a contact gap and projecting above part of the post, |
| 4913517 |
Communication cable having water blocking strength members |
April 3, 1990 |
| A communications cable (20) comprising a core (22) of at least one transmission media and a plastic jacket (34) includes provisions for preventing the movement of water within the cable. The cable includes a strength system (32) including longitudinally extending fibrous strength mem |
| 4912764 |
Digital speech coder with different excitation types |
March 27, 1990 |
| An speech analysis and synthesis system where pitch information for excitation is transmitted during voiced segments of speech and modified residual information for excitation is transmitted during unvoiced speech segments along with linear predictive coded (LPC) parameters. The speech |
| 4912347 |
CMOS to ECL output buffer |
March 27, 1990 |
| A circuit is disclosed which converts CMOS logic input signals to ECL output signals. A pair of FETs, arranged as a conventional CMOS inverter, responds to the CMOS logic input signals and drives a bipolar transistor operating as a voltage follower. The emitter of the bipolar transistor |
| 4910452 |
High frequency AC magnetic devices with high efficiency |
March 20, 1990 |
| Efficient high frequency operation of magnetic devices is achieved by utilizing ferrites that have a low power dissipation hysteresis characteristic and by designing these magnetic devices to operate within an operational range where all applied magnetic forces to the magnetic core h |
| 4909816 |
Optical fiber fabrication and resulting product |
March 20, 1990 |
| A preform for fabrication of a glass fiber optical transmission line is prepared by chemical reaction of vapor ingredients within a glass tube. Reaction, which may be between chlorides or hydrides of, for example, silicon and germanium with oxygen, occurs preferentially within a cons |
| 4909592 |
Communication cable having water blocking provisions in core |
March 20, 1990 |
| A communications cable comprising a core of transmission media such as optical fibers, for example, disposed in a core tube and a sheath system (32) includes provisions for preventing the movement of water within the cable core. Water blocking provisions (26) are disposed in the core tub |
| 4908935 |
Method for fabricating electronic devices |
March 20, 1990 |
| In a hybrid integrated circuit encapsulation process, each lead array (14) is encompassed by an elongated C-shaped barrier member (17) which clamps onto the portions of the lead array adjacent the substrate (11); that is, opposite sides of a slot (18) in the barrier member grasp opposite |
| 4907259 |
Call appearance reservation arrangement |
March 6, 1990 |
| A call appearance reservation arrangement where any number of the call appearances of a directory number are reservable, and where a reservation type is defined for the directory number such that calls to and from the reserved call appearances are processed in accordance with one of a nu |
| 4905285 |
Analysis arrangement based on a model of human neural responses |
February 27, 1990 |
| A sensory type pattern such as a speech or other sound pattern is analyzed to obtain the spectral distribution of the neural response thereto. A plurality of logarithmically related neural response intensity threshold signals is formed. The frequency spectrum of the sensory type pattern |
| 4905231 |
Multi-media virtual circuit |
February 27, 1990 |
| A packet switch arrangement in which a first plurality of user devices is connected to a packet network by a first interface unit and a second plurality of user devices is connected to the packet network by a second interface unit. A virtual circuit is established between the interface |
| 4905063 |
Floating gate memories |
February 27, 1990 |
| A floating gate memory device comprises a channel for conducting carriers from source to drain, a semiconductor heterostructure forming a potential well (floating gate) for confining carriers sufficiently proximate the channel so as to at least partially deplete it, and a graded bandgap |
| 4904050 |
Methods of and systems for optical fiber sensing |
February 27, 1990 |
| An optical fiber sensing system for detecting intrusion of optical fiber or optical fiber cables includes an interferometric arrangement. Two ports (28, 30) of a four port splitter (25) are connected to a source (26) of optical power such as a laser, for example, and to a detector (32). |
| 4904043 |
Optical data link dual wavelength coupler |
February 27, 1990 |
| A dual wavelength optical coupler is disclosed which provides either bidirectional or unidirectional communication at different wavelengths over a single fiber. The coupler utilizes a dichroic filter and a set of three lenses to achieve dual wavelength communication. Additional blocking |
| 4904036 |
Subassemblies for optoelectronic hybrid integrated circuits |
February 27, 1990 |
| Optoelectronic chips, such as Group III-V compound lasers and photodiodes, are mounted on a single-crystal silicon base, and are optically interconnected to one another by silica waveguides and couplers integrally formed on the base. Integrated circuit chips to provide electronic fun |
| 4903182 |
Self-oscillating converter with light load stabilizer |
February 20, 1990 |
| A self oscillating converter with regenerative switching includes circuitry to enhance the gain of circuity to turn off a MOSFET power switch and enhance the regenerative action culminating in turn off in order to eliminate bursting at low loads. The MOSFET power switching device turn |
| 4903181 |
Power converter having parallel power switching systems coupled by an impedance inversion networ |
February 20, 1990 |
| A power converter includes an input primary switching system with its output connected to phase shift or impedance inversion circuit. These two circuits cooperate to function as a current source at the output of the impedance inversion circuit. A secondary switching system is connected i |
| 4903092 |
Real space electron transfer device using hot electron injection |
February 20, 1990 |
| Real space hot electron transfer devices using hot electron transfer between two conducting channels are described. |
| 4902912 |
Apparatus including resonant-tunneling device having multiple-peak current-voltage characteristi |
February 20, 1990 |
| A semiconductor integrated resonant-tunneling device having multiple negative-resistance regions, and having essentially equal current peaks in such regions, is useful as a highly compact element, e.g., in apparatus designed for ternary logic operations, frequency multiplication, wavefor |
| 4902857 |
Polymer interconnect structure |
February 20, 1990 |
| A conductive polymer interconnect structure (10) is comprised of an insulative polymer (18), a silicone or an epoxy, having a plurality of particles (20) arranged therein to provide conductive paths which extend in the z direction. At least a portion of those particles (20) proximate a |
| 4902644 |
Preservation of surface features on semiconductor surfaces |
February 20, 1990 |
| The integrity of surface structural features (e.g., distributed feedback gratings) in Group III-V compound semiconductors are preserved during heating (e.g., subsequent LPE regrowth) by a thin coating containing a transition metal (e.g., Os, Ru or Rh). DFP-DCPBH InP/InGaAsP single fr |
| 4901306 |
Wavelength-division multiplexed optical fiber network |
February 13, 1990 |
| Disclosed is a dense channel packing wavelength division multiplexed optical fiber communication system that is parsimonious in its cable length requirements and that does not require the presence of widely tunable lasers at the remote terminals. The system comprises a central statio |
| 4901271 |
Computational network |
February 13, 1990 |
| A new associative computation network that is capable of storing multi-bit vectors includes a decision network and a feedback arrangement that, functionally, is separable into serially connected networks. The first network has its inputs connectd to the outputs of the decision network an |
| 4901260 |
Bounded lag distributed discrete event simulation method and apparatus |
February 13, 1990 |
| A discrete event simulation system that avoids all blocking and advances the simulation time in an efficient manner by treating the simulated system as a set of subsystems and simulating the subsystems concurrently. The simulation proceeds iteratively by restricting the simulation of |
| 4901013 |
Apparatus having a buckling beam probe assembly |
February 13, 1990 |
| An apparatus for testing of electrical circuits has a buckling beam probe assembly having advantageous features that make it useful for contacting area arrays of test points, and for reliably establishing contact therewith. The probe elements remain essentially parallel even in the b |
| 4900917 |
Polarization insensitive optical communication device utilizing optical preamplification |
February 13, 1990 |
| A polarization insensitive optical device is disclosed which is capable of providing direct optical amplification of an input signal of unknown (and possibly varying) polarization. A polarization diversity technique is utilized wherein a polarization beam splitter is used to divide the |
| 4900879 |
Insulation system for magnetic windings |
February 13, 1990 |
| An insulation system and method utilizes multiple helically wound insulating tape windings wound on a wire. Each individual insulating tape winding is wound so that each wrap overlaps a specified area of the preceding wrap of the winding. |
| 4899373 |
Method and apparatus for providing personalized telephone subscriber features at remote location |
February 6, 1990 |
| Personalized telephone features are made available to subscribers away from their home base. A nationally accessible data base system stores feature data in association with personal identification numbers. A subscriber wishing to use personalized features while away from the home base d |
