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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 6185436 | Wireless communication system A personal communication system handset having a plurality of slots provided therein. Each one of the slots is adapted to store a corresponding one of a plurality of removable/insertable subscriber identity modules. The subscriber identity modules have st... | 02/06/2001 |
| 6178335 | Wireless communication system A personal communication system handset having a plurality of slots provided therein. Each one of the slots is adapted to store a corresponding one of a plurality of removable/insertable subscriber identity modules. The subscriber identity modules have st... | 01/23/2001 |
| 6175574 | Technique for providing an improved signaling network for telephone systems Apparatus and a concomitant method of providing a technique, within each central office (CO) in a digital CO cluster, for translating a destination number for a signaling message into a destination point code. Such a CO generally contains a switching syst... | 01/16/2001 |
| 6144734 | Low-pass filters for splitterless pots and data transmission A transmission system includes a transmission path from a transmitting station to a receiving station for both voice telephone service occupying the frequency spectrum below a predetermined frequency f1 and for data service occupying the freque... | 11/07/2000 |
| 6128377 | Method for routing a call A method for enabling a plurality of Local Service Providers within a common Numbering Plan Area (NPA) to serve Subscribers of the plurality of Local Service Providers. The method includes the step of assigning to each Subscriber of a Local Service Provid... | 10/03/2000 |
| 6115355 | Reprovisioning monitor A device for enabling automatic restoration of network access for user lines within a communication system. The user lines interface with groups of transmission lines that include dedicated transmission lines which are connected to the user lines, idle tr... | 09/05/2000 |
| 6111861 | Method and system for managing high speed data communication A method and device for managing the communication of high speed analog data across a communications line. If the communications line is not authorized for communication of high speed analog data, line conditioning applied (e.g., at a digital line unit or... | 08/29/2000 |
| 6109064 | Process for treating optical fibers by cryogenic tempering The transmission properties of an optical fiber are enhanced by cooling the fiber gradually to temperatures of at least -300° Fahrenheit, maintaining the fiber at such reduced temperature for a time suitable to stabilize the transmission properties of th... | 08/29/2000 |
| 6084853 | Method of managing digital signal carrying facilities A method for managing transmission lines within a communication system which enables the automatic restoration of network access for user lines. The communication system includes user lines interfaced with groups of transmission lines and each group of tr... | 07/04/2000 |
| 6078656 | Method for updating a local switch internal database in a system having different service providers within a common numbering plan area A method for enabling a plurality of Local Service Providers within a common Numbering Plan Area (NPA) to serve Subscribers of the plurality of Local Service Providers. The method includes the step of assigning to each Subscriber of a Local Service Provid... | 06/20/2000 |
| 6078660 | Method and device for decoding a sequence of signals A method and device for decoding a sequence of signals in which information is derived, in part, from a duration of (a) one of the signals and/or (b) an inter-signal pause between two of the signals. The method and device may also be used to decode a sign... | 06/20/2000 |
| 6055224 | Method and system for handling telecommunications data traffic A method and device for (a) generating a constant rate data stream from data, (b) providing, via a termination unit, the constant rate data stream to a router, and (c) assigning an address to the termination unit. The method and device permit the data to ... | 04/25/2000 |
| 6031906 | Digital loop carrier system with automatic reprovisioning of dedicated lines A digital loop carrier system in a communications network that provides automatic restoration of network access for user lines in the event of a failure. The system includes a plurality of user lines and groups of transmission lines interfaced with the us... | 02/29/2000 |
| 6009160 | Method for routing a call A method for enabling a plurality of Local Service Providers within a common Numbering Plan Area (NPA) to serve Subscribers of the plurality of Local Service Providers. The method includes the step of assigning to each Subscriber of a Local Service Provid... | 12/28/1999 |
| 5991388 | Method and system for routing calls to a party A method for enabling a plurality of Local Service Providers within a common Numbering Plan Area (NPA) to serve Subscribers of the plurality of Local Service Providers. The method includes the step of assigning to each Subscriber of a Local Service Provid... | 11/23/1999 |
| 5987114 | Method for routing telephone calls to subscribers of different service providers within a common numbering plan area A method for enabling a plurality of Local Service Providers within common a Numbering Plan Area (NPA) to serve Subscribers of the plurality of Local Service Providers. The method includes the step of assigning to each Subscriber of a Local Service Provid... | 11/16/1999 |
| 5978464 | Method for updating a local switch internal database in system having different service providers within a common numbering plan area A method for enabling a plurality of Local Service Providers within a common Numbering Plan Area (NPA) to serve Subscribers of the plurality of Local Service Providers. The method includes the step of assigning to each Subscriber of a Local Service Provid... | 11/02/1999 |
| 5949867 | Method for updating a local switch internal database in a system having different service providers within a common numbering plan area A method for enabling a plurality of Local Service Providers within a common Numbering Plan Area (NPA) to serve Subscribers of the plurality of Local Service Providers. The method includes the step of assigning to each Subscriber of a Local Service Provid... | 09/07/1999 |
| 5946385 | Method for updating a local switch internal database in a system having different service providers within a common numbering plan area A method for enabling a plurality of Local Service Providers within a common Numbering Plan Area (NPA) to serve Subscribers of the plurality of Local Service Providers. The method includes the step of assigning to each Subscriber of a Local Service Provid... | 08/31/1999 |
| 5943393 | Telecommunications intercept system A telephone wiretapping system having a call-forward event and reporting processor for producing a call-forward event control signal when a call from a calling party to a predetermined telephone line is to be call-forwarded to a different telephone line. ... | 08/24/1999 |
| 5920611 | Method of intercepting telecommunications A method of intercepting the incoming and outgoing calls of a telecommunications subscriber. The call activity of the telecommunications line of the subscriber is monitored by a call processor of a telecommunications switch and predetermined types of call... | 07/06/1999 |
| 5887056 | Method for routing telephone calls to subscribers of different service providers within a common numbering plan area A method for enabling a plurality of Local Service Providers within a common Numbering Plan Area (NPA) to serve Subscribers of the plurality of Local Service Providers. The method includes the step of assigning to each Subscriber of a Local Service Provid... | 03/23/1999 |
| 5883950 | System and method having a distributed external database A method for enabling a plurality of Local Service Providers within a common Numbering Plan Area (NPA) to serve Subscribers of the plurality of Local Service Providers. The method includes the step of assigning to each Subscriber of a Local Service Provid... | 03/16/1999 |
| 5835757 | Distributed database management system for servicing application requests in a telecommunications switching system A distributed database management (DDBMS) system for switching applications that combines rapid feature deployment with high real-time performance. The system architecture encompasses a new software boundary between application and database, yet provides ... | 11/10/1998 |
| 5796813 | Method for routing a call A method for enabling a plurality of Local Service Providers within a common Numbering Plan Area (NPA) to serve Subscribers of the plurality of Local Service Providers. The method includes the step of assigning to each Subscriber of a Local Service Provid... | 08/18/1998 |
| 5771284 | Method for updating a local switch internal database in a system having different service providers within a common numbering plan area A method for enabling a plurality of Local Service Providers within common Numbering Plan Area (NPA) to serve Subscribers of the plurality Local Service Providers. The method includes the step of assigning to each Subscriber of a Local Service Provider wi... | 06/23/1998 |
| 5764977 | Distributed database architecture and distributed database management system for open network evolution A distributed database management (DDBMS) system for switching applications that combines rapid feature deployment with high real-time performance. The system architecture encompasses a new software boundary between application and database, yet provides ... | 06/09/1998 |
| 5753928 | Monolithic optical emitter-detector Optical feedback control in an optical emitter-detector combination can be improved by fabricating the two devices on a single substrate. The feedback radiation can then travel within a monolithic structure. This arrangement will yield greater uniformity ... | 05/19/1998 |
| 5750414 | Method of fabricating a semiconductor device An integrated circuit (IC) (20) is formed on a semiconductor substrate (21). The IC has a PN junction (28) and a graded junction termination (27). A reverse field plate (31) is mounted adjacent the junction termination. One end of the field plate is mount... | 05/12/1998 |
| 5747734 | Universal modular housing system A field expandable modular housing system includes a plurality of housings having a universal configuration, with each housing including a fan box for securing a predetermined cooling fan, air inlet and exhaust ports, front and back doors, a cable trough ... | 05/05/1998 |
| 5748724 | Method for transferring a subscriber to a new local service provider A method for enabling a plurality of Local Service Providers within common Numbering Plan Area (NPA) to serve Subscribers of the plurality Local Service Providers. The method includes the step of assigning to each Subscriber of a Local Service Provider wi... | 05/05/1998 |
| 5742219 | Switchable circuit breaker A switchable circuit breaker having a housing, stationary and moveable contacts, a switching member for actuating the contacts to assume a first condition in which the contacts are open and a second condition in which the contacts are closed, and a breake... | 04/21/1998 |
| 5726993 | Signal detector for telephone line repeator remote loopback system A loopback enabled by an instruction and address code pair transmitted with the regular data stream affords a simplified fault location scheme for a T1 repeater span. By selecting unique addresses for each repeater using a predetermined frame sequence and... | 03/10/1998 |
| 5721909 | Distributed database architecture and distributed database management system for open network evolution A distributed database management (DDBMS) system for switching applications that combines rapid feature deployment with high real-time performance. The system architecture encompasses a new software boundary between application and database, yet provides ... | 02/24/1998 |
| 5696816 | Method for changing a subscriber's local service provider A method for enabling a plurality of Local Service Providers within a common Numbering Plan Area (NPA) to serve Subscribers of the plurality of Local Service Providers. The method includes the step of assigning to each Subscriber of a Local Service Provid... | 12/09/1997 |
| 5689555 | Method for transferring a subscriber to a new local service provider A method for enabling a plurality of Local Service Providers within a common Numbering Plan Area (NPA) to serve Subscribers of the plurality of Local Service Providers. The method includes the step of assigning to each Subscriber of a Local Service Provid... | 11/18/1997 |
| 5686712 | Electrical contact assembly An electrical contact assembly including a pair of first contact arms, each having a terminal end portion, a tip end portion and first contacts fixed to said tip end portions, and a second contact arm arranged opposite the first contact arms and having a ... | 11/11/1997 |
| 5687363 | Distributed database architecture and distributed database management system for open network evolution A distributed database management (DDBMS) system for switching applications that combines rapid feature deployment with high real-time performance. The system architecture encompasses a new software boundary between application and database, yet provides ... | 11/11/1997 |
| 5600656 | Remote loopback apparatus and method for telephone line repeaters A loopback enabled by an instruction and address code pair transmitted with the regular data stream affords a simplified fault location scheme for a T1 repeater span. By selecting unique addresses for each repeater using a predetermined frame sequence and... | 02/04/1997 |
| 5594400 | Reed relay An improved reed relay having a bobbin, an operating coil wound around the bobbin and at least one reed switch contained within the bobbin. The reed switch has a hermetically-sealed glass capsule that contains an atmosphere of dry inert gas. The capsule a... | 01/14/1997 |
