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| Number | Title | Issue Date |
| 5594911 | System and method for preprocessing and delivering multimedia presentations A system and method for preprocessing and delivering multimedia presentations to customers such that delays due to interactive response time is virtually eliminated include a preprocessor, mass storage, a delivery processor, a distribution network, and a ... | 01/14/1997 |
| 5577258 | Apparatus and method for preprocessing multimedia presentations to generate a delivery schedule An apparatus and method for preprocessing multimedia presentations to be delivered to customers such that delays due to interactive response time is virtually eliminated is described. The preprocessor receives as inputs an original multimedia presentation... | 11/19/1996 |
| 5491817 | Linking system and method for accessing directory information about an object in one context when information in another context is known Our linking method is implemented in our linking system which includes an interconnection network, which employs a standard directory protocol, such as X.500, and linking components. The interconnection network includes interfaces for interconnection user... | 02/13/1996 |
| 5434912 | Audio processing system for point-to-point and multipoint teleconferencing Our audio processing system for use in teleconferencing systems includes a microphone, receiver, and substantially the same comb filter and frequency scaler at each station for reducing acoustic echo and increasing the margin of acoustic stability. The co... | 07/18/1995 |
| 5420928 | Pseudo-random generator Methodology and concomitant circuitry to generate cryptographically strong pseudo-random bit streams utilize secure block cypher encoders. Typically, each block cypher encoder has a first seed and a random key as an input. In the most basic realization of... | 05/30/1995 |
| 5414707 | Broadband ISDN processing method and system Method and system are provided for processing B-ISDN transfer protocols in a telecommunication system utilizing a generic ATM/AAL interface having a programmable electronic circuit. At the ATM Adaptation Layer (AAL), segmentation and reassembly, and conve... | 05/09/1995 |
| 5412256 | Neuron for use in self-learning neural network A neuron for use in a self-learning neural network comprises a current input node at which a plurality of synaptic input currents are summed using Kirchoff's current law. The summed input currents are normalized using a coarse gain current normalizer. The... | 05/02/1995 |
| 5400171 | Acousto-optic filter with near-ideal bandpass characteristics An acousto-optic tunable filter (100) is provided with an acousto-optic interaction profile that results in a frequency response with near-ideal bandpass filter characteristics of near-unity transmission inside the passband and near-zero transmission outs... | 03/21/1995 |
| 5400069 | Eye contact video-conferencing system and screen Our video-conferencing system comprises stations which are remotely located from one another and interconnected by a transmission system. Each station includes a camera, a projector, and a screen, which is simultaneously translucent with respect to the pr... | 03/21/1995 |
| 5386465 | Audio processing system for teleconferencing with high and low transmission delays An audio processing system for use in teleconferencing systems having high and low transmission delays. The audio processing system utilizes complementary comb filters in combination with auxiliary echo suppressors, a frequency scaler, expander/gates and ... | 01/31/1995 |
| 5371532 | Communications architecture and method for distributing information services A store-and-forward architecture which stores and distributes information programs to subscribers on demand includes: information warehouses which archive information programs from multiple service vendors and dispense information programs in segments to ... | 12/06/1994 |
| 5359646 | Testing of distributed communications networks A system and method for testing subscriber's services and sectionalizing service trouble in distributed networks, such as Advanced Intelligent Network (AIN), includes a test call set-up component, which enables a tester to set-up a test call. A test call ... | 10/25/1994 |
| 5341474 | Communications architecture and buffer for distributing information services A store-and-forward architecture which stores and distributes information programs to subscribers includes: information warehouses which archive information programs and dispense information programs in segments to central offices in bursts; central offic... | 08/23/1994 |
| 5335022 | High-contrast front projection video display system A front projection video display system achieves high contrast without darkened ambient room conditions by a specific combination and arrangement of the components of this system. These components include a front-projection video projector which projects ... | 08/02/1994 |
| 5335011 | Sound localization system for teleconferencing using self-steering microphone arrays A teleconferencing system 100 is disclosed having a video camera for generating a video signal representative of a video image of a first station B. A microphone array 150, 160 is also provided in the first station for receiving a sound from one or more f... | 08/02/1994 |
| 5333012 | Motion compensating coder employing an image coding control method A motion compensating coder which includes a control section for setting quantizer step size accounts for both the buffer occupancy and the texture of the image being coded. The coding control method, using well-accepted assumptions relating to the human ... | 07/26/1994 |
| 5327427 | Self-healing meshed network using logical ring structures Logical hybrid ring arrangements are disclosed which can withstand a cut communication path or a failed node. A logical ring is formed by a cascade of (i) physical hybrid ring segments, each composed of a pair of unidirectional communication paths propaga... | 07/05/1994 |
| 5311310 | High efficiency coder and method employing overlapped motion compensation and perfect reconstruction filter banks Our overlapped motion compensation unit and method, which is a motion compensation mechanism employing an overlapped block structure, minimize blocking effects prevalent in convention motion compensation. Our overlapped motion compensation unit and method... | 05/10/1994 |
| 5304539 | Method for fabricating integrated microelectronic assembly comprising photoconductor with oxide superconducting leads A beam (e.g. a focused laser beam) is utilized to irradiate the entire lateral width of a limited-extent portion of an elongated superconducting thin-film lead. The irradiated portion is converted to be non-superconducting and photoconductive. The convert... | 04/19/1994 |
| 5299263 | Two-way public key authentication and key agreement for low-cost terminals A method for achieving mutual authentication and session key agreement between a first party 12 which has minimal computational resources and a second party 18 which has substantial computational resources utilizes a modular square root operation for cert... | 03/29/1994 |
| 5283829 | System and method for paying bills electronically An electronic bill payment system and method include billing equipment for creating approval records and generating approval numbers for each pre-authorized subscriber. The system also includes an interactive payment approval apparatus into which subscrib... | 02/01/1994 |
| 5280540 | Video teleconferencing system employing aspect ratio transformation A teleconferencing system (100, 100') provides a wide aspect ratio view at each site utilizing a single NTSC camera (250, 350) and projector (260,360). At the transmitting end of a teleconference, a transformation element (280, 380, 510, 610) maps a wide ... | 01/18/1994 |
| 5271057 | Audio processing system for teleconferencing system An audio processing system (100) for use in a teleconferencing system (10) utilizes complementary comb filters (42, 52, 220, 320) in combination with an echo suppressor (210, 310) and/or a frequency scaler (60, 120) to substantially improve acoustic stabi... | 12/14/1993 |
| 5259026 | Method for speed calling automatic update A method for automatically updating a speed calling data base in a telecommunications network entails tagging an outgoing speed call with a speed calling tag, identifying the telephone number of a speed call as being non-working, retrieving the updated te... | 11/02/1993 |
| 5237681 | Relational data base memory utilization analyzer Methods and apparatus are set forth for identifying the actual population of data within computer memory utilized to support a relational data base, where memory is defined herein as being "populated" if it is both allocated and actually filled with data.... | 08/17/1993 |
| 5221983 | Passive photonic loop architecture employing wavelength multiplexing A fiber optic subscriber loop architecture is disclosed. The architecture utilizes a double star configuration comprising a Central Office and a plurality of Remote Nodes. Illustratively, in the Central Office, one bank of N lasers supplies wavelengths λ... | 06/22/1993 |
