Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5941946 | System for storing message in a wide area network storage controlled by a sender and notifying intended recipients of the availability and the WAN address thereof A method for electronic communication using wide area network (WAN) storage and signalling capabilities. The method and apparatus provides for deposit of a message in message stores in the WAN, storage of the message such that the message is uniformly acc... | 08/24/1999 |
| 5920816 | Location register for a land-line supported private base station operable in a cellular system A private base station location register supports the registering of multiple mobile stations at a private base station and provides control information for enabling a personalized call delivery feature at the private base station for each registered mobi... | 07/06/1999 |
| 5568510 | Apparatus and method for obtaining synchronism between a base station and a portable unit arranged for operation in a frequency hopping system A cordless telephone arranged for operation in a frequency hopping system quickly establishes communications between a base unit and an associated handset unit in the telephone. Synchronization between the base unit and the handset unit is achieved throug... | 10/22/1996 |
| 5517590 | Bending process for optical coupling of glass optical fibers Signal energy in an installed optical fiber is extracted without using a physical connector, by an improved process in which the fiber is bent to within a prescribed range of angles, then controllably heated, and thereafter controllably cooled. The result... | 05/14/1996 |
| 5490233 | Method and apparatus for reducing correlated errors in subband coding systems with quantizers A method and apparatus for reducing correlated errors in subband coding systems with quantizers is disclosed. A subband coding system comprises a plurality of subband analysis filters to divide the frequency spectrum of the input signal into subbands, ind... | 02/06/1996 |
| 5490229 | Slidably mounted optical fiber distribution tray Disclosed is an optical fiber distribution apparatus with slide-out trays including optical connectors and splice trays mounted thereon. Each tray has a hinged protective cover and a front portion which drops down to provide access to the connectors. The ... | 02/06/1996 |
| 5490055 | Multiloop feedback control apparatus for DC/DC converters with frequency-shaping band pass current control A switched mode power converter includes a periodically switched power switch which is switched under the control of a multiple loop feedback controlling the power switch in order to supply a regulated output. The output voltage and power switch current a... | 02/06/1996 |
| 5487107 | Method and apparatus for processing telephone calls charged to credit cards When a telephone caller charges a call to a commercial credit card an announcement which includes the name of the credit card issuer is supplied to the caller after the validation of the credit card. In a preferred embodiment, the issuer of the commercial... | 01/23/1996 |
| 5486798 | Multiplanar hybrid coupler A microwave directional coupler comprises a dielectric coupler board, elongate metallic strip conductors deposited on front and back surfaces of the board and having respective central portions electrically broadside coupled with each other through the bo... | 01/23/1996 |
| 5487111 | Telecommunications system sequence calling A method for use in a telecommunications system in which a call sequencing facility allows a caller who is trying to reach a called subscriber to be routed to each of a sequence of telephone numbers specified by the subscriber, even though a call placed t... | 01/23/1996 |
| 5483238 | Data converter with gain scaling including dither A data converter is disclosed that includes a multiplier for multiplying digital signal samples by a gain factor to produce multiplied digital samples. The multiplier can either be bypassed or a dither signal can be introduced in the multiplication operat... | 01/09/1996 |
| 5475497 | Two-dimensional display model-based halftoning A model-based printing method and system for generating halftone output images corresponding to gray-scale-coded input signals. Models for individual two-level (e.g., black on white) printer types allow predicted printer error signals to be generated whic... | 12/12/1995 |
| 5473675 | Call establishment for simultaneous analog and digital communications A modem, capable of simultaneously coupling voice and data signals, connects local digital terminal equipment (DTE) and a local telephone to a communications link. To prevent the local DTE from responding to a communications containing only voice signals,... | 12/05/1995 |
| 5471877 | Environmental stress screening process with liquid coupled vibration A testing system for stressing assembled circuit boards well beyond normal operational limits with respect to mechanical vibration, supply voltage cycling, and temperature cycling. The combination of these three elements of stressing results in each of th... | 12/05/1995 |
| 5473730 | High efficiency learning network Nodal outputs are discretized to values of S2n where n is an integer and S is equal to +1 or -1. During forward propagation, this offers the advantage of forming a product of a nodal output and a weight using a simple shift operation rather tha... | 12/05/1995 |
| 5470783 | Method for integrated circuit device isolation An integrated circuit fabrication process for creating field oxide regions in a substrate is disclosed. In the process, masking layers of oxide, nitride and deposited silicon dioxide are formed on the substrate. A pattern that defines the field oxide regi... | 11/28/1995 |
| 5470530 | Article comprising an intermetallic superconductor material Material comprising an effective amount of a novel intermetallic bulk superconductor compound is disclosed. The compound has the composition LnNi2 B2 C, with Ln being Y or a rare earth (atomic number 57-71), preferably Tm, Er, Ho or ... | 11/28/1995 |
| 5471500 | Soft symbol decoding There is disclosed a soft symbol for use in a decoding process generated from a binary representation of a branch metric. When a hard decision bit is a zero, a preselected number of bits of a binary representation of the branch metric are concatenated wit... | 11/28/1995 |
| 5469284 | Optical packet switch An optical packet switch which receives data packets and switches those data packets in the optical domain without using recirculation devices is provided. The switch staggers the data packets in time to avoid packet collisions within the switch. The swit... | 11/21/1995 |
| 5468338 | Methods for selectively wet etching substrates The invention is an improvement of a method for selectively etching a first surface of each of a plurality of wafers (21-23) comprising the steps of masking the entirety of each wafer except certain exposed portions to be etched on the first surface, and ... | 11/21/1995 |
| 5469438 | Method of transmitting signals in an extendible local area network Briefly, in accordance with one embodiment of the invention, an extendible local area network includes a hub station including a memory and at least one hub station segment. The hub station segment is adapted to be coupled to at least N other hub station ... | 11/21/1995 |
| 5467418 | Frequency routing device having a spatially filtered optical grating for providing an increased passband width An optical appliance includes at least one input waveguide and a first free space region connected to the input waveguide. A first plurality of waveguides is connected to the first free space region. An optical grating, which is connected to the first plu... | 11/14/1995 |
| 5465478 | Apparatus for manipulating wound cables A coiled cable handling apparatus uses a platform with retractable fingers to maintain the coiled configuration of a coiled cable. The coiled cable having a coiled portion, a first end thereof terminating in a connector and a second end. The reactable fin... | 11/14/1995 |
| 5465295 | Caller directed routing of a telephone call based on a dialed suffix The routing of telephone calls in a telecommunications network is enhanced by providing a method for associating a plurality of telephone numbers assigned to a particular subscriber with respective codes such that a caller may dial one of the subscriber's... | 11/07/1995 |
| 5465275 | Efficient utilization of present state/next state registers In accordance with the present invention, a technique for efficiently utilizing memory in determining which next state accumulated cost to retain, such as in a communication system or a Viterbi decoder. The system includes a memory having a portion of reg... | 11/07/1995 |
| 5464664 | Downstream ammonia plasma passivation of GaAs Applicants have discovered that gallium arsenide surfaces can be dry passivated without heating or ion bombardment by exposing them downstream to ammonia plasma formation. Specifically, a workpiece having exposed gallium arsenide surfaces is passivated by... | 11/07/1995 |
| 5463711 | Submarine cable having a centrally located tube containing optical fibers A submarine optical fiber cable adapted for use in shallow-water submarine applications having the economy of non-armored cables with the robustness of armored cables is disclosed. The optical fiber cable comprises a plurality of longitudinally extending ... | 10/31/1995 |
| 5463685 | Network based outbound call management An outbound call management capability is provided for a public switched telephone network by a network based outbound call management (NOCM) complex, which can be accessed by all subscribers to the public switched network through one or more central offi... | 10/31/1995 |
| 5463675 | Extended home indentification being used by the same service provider as a home identification in a service area other than the home service area for cellular radio telephone systems Transitions of a mobile radiotelephone between operating on A band service and B band service are controlled to enable the mobile radiotelephone to utilize the bands of a single service provider over a wide area of cellular service areas in which service ... | 10/31/1995 |
| 5463670 | Testing of communication services and circuits Communications services and circuits are tested by a system which includes a voice response unit (VRU) operating under the control of processes performed in a workstation. The system can automate the various tasks associated with making test calls, such a... | 10/31/1995 |
| 5463641 | Tailored error protection A method of tailored error protection coding is disclosed. An illustrative coding method according to the present invention concerns encoding a first signal and a second signal to provide error protection for the signals, wherein the first signal requires... | 10/31/1995 |
| 5463623 | Integrated wireless telecommunication and local area network system A system combining LAN and telecommunication capabilities to provide a high speed wireless LAN capability and to simultaneously provide wireless ISDN capability within an office. The LAN and ISDN information is communicated over a common transmission medi... | 10/31/1995 |
| 5463620 | Bandwidth allocation, transmission scheduling, and congestion avoidance in broadband asynchronous transfer mode networks A wide variety of call traffic is effectively integrated in a single broadband communications network. Calls having widely differing bandwidth requirements and sensitivities to delay are handled by the network with efficient, effective, and fair bandwidth... | 10/31/1995 |
| 5463520 | Electrostatic discharge protection with hysteresis trigger circuit An integrated circuit obtains improved ESD protection by way of a shunt protection circuit having a trigger level that exhibits a hysteresis effect with respect to voltage applied to the bondpads. The hysteresis is obtained by a string of voltage dropping... | 10/31/1995 |
| 5463488 | Distribution of clock signals by pump power modulation in an optically amplified network Transmission of clock signals at the pump wavelength of an optical amplifier utilized to amplify data signals being communicated in an optical network. The clock signals synchronize the data signals to a terminal utilizing the optical network. The pump wa... | 10/31/1995 |
| 5463388 | Computer mouse or keyboard input device utilizing capacitive sensors A computer input device for use as a computer mouse or keyboard comprises a thin, insulating surface covering an array of electrodes. Such electrodes are arranged in a grid pattern and can be connected in columns and rows. Each column and row is connected... | 10/31/1995 |
| 5462888 | Process for manufacturing semiconductor BICMOS device A process for fabricating transistors on a substrate is disclosed. In accordance with the process, stacks of material are formed on the surface of the substrate. Walls of silicon dioxide are created around the stacks in order to insulate the material with... | 10/31/1995 |
| 5462438 | Method of displaying multiple time series and display generated thereby Cave plots are a graphical techniques for comparing two time series using overlapping and opposing coordinate systems. The plots are space-efficient, allowing comparisons involving many data points and can be used with irregularly-spaced time series.... | 10/31/1995 |
| 5462389 | Undersea cable burial plowshare and sled apparatus This disclosure describes a physical design for an ocean floor trenching tool. The tool consists of a replaceable forward-extending plowguard and detachable hardened plow tips. Surfaces forming the tool's mouth around the plowguard cause the tool to penet... | 10/31/1995 |
| 5462358 | Selectively extracting infrared radiation from bioler interior to determine the temperature of individual boiler tubes Surface temperature measurements of the tubes of operating power boilers are facilitated by using ganged and preferably scannable hollow-core sapphire probes to capture infrared radiation emanating from discrete tube surface areas. By selectively overlapp... | 10/31/1995 |
