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| Patent # | Description |
|---|---|
| US-5,689,575 |
Method and apparatus for processing images of facial expressions A real time output containing data relating to states of facial parts is generated. A facial area detection unit (11) has monitoring (51-57) and determining... |
| US-5,689,574 |
Integral sound module for a modular monitor An integral sound module provides a novel isolation system between the display unit and the audio unit. The display unit preferably includes a cathoderay tube... |
| US-5,689,573 |
Frequency-dependent amplitude modification devices for acoustic sources Apparatus for and method of correcting multiple distortions in the form of amplitude variations in and extending the output response of acoustic devices are... |
| US-5,689,572 |
Method of actively controlling noise, and apparatus thereof In an active noise-reduction controlling apparatus, there are provided a reference sensor for outputting a reference signal corresponding to information about a... |
| US-5,689,571 |
Device for producing reverberation sound Early reflection sounds and subsequent reverberation sounds are processed in different modes by separate processing devices in order to obtain reverberation... |
| US-5,689,570 |
Sound reproducing array processor system A method and apparatus for dynamic, adaptive mapping of three-dimensional aural phenomenon to a two-dimensional sound reproducing surface. The surface is... |
| US-5,689,569 |
Method and device for the utilization of electrical signals An interface is made for a device for the exploitation of electrical signals between a receiver of this device and a device for the exploitation of these... |
| US-5,689,568 |
Medium access control for a mobile satellite system The present invention provides a medium access control (MAC) layer in a mobile satellite system. The MAC transfers data across the physical channels in the air... |
| US-5,689,567 |
Electronic signature method and apparatus Electronic signature apparatus and method provide an electronic signature that can be created only by a signer, but cannot be used for other than the signature... |
| US-5,689,566 |
Network with secure communications sessions A system which uses three way password authentication, encrypting different portions of a logon packet with different keys based on the nature of the ... |
| US-5,689,565 |
Cryptography system and method for providing cryptographic services for
a computer application A cryptography system architecture provides cryptographic functionality to support an application requiring encryption, decryption, signing, and verification of... |
| US-5,689,564 |
Personal access management system A multi-component system for linking a user to a product or service provider includes a user processing device, a storage device, and a provider device. The... |
| US-5,689,563 |
Method and apparatus for efficient real-time authentication and
encryption in a communication system Radio frequency based cellular telecommunication systems often require both subscriber units and communication units of a fixed network communication system to... |
| US-5,689,562 |
Method for transmitting superimposed image data in a radio frequency
communication system The present invention relates to a method for transmitting image data for superimposed images via wireless devices in a radio frequency communication system. The... |
| US-5,689,561 |
Computer-based trading card system and method A collection system using a CD ROM computer system wherein the collection items (or more specifically their unlocking keys) are contained in various floppy... |
| US-5,689,560 |
Method and apparatus for enabling trial period use of software products:
method and apparatus for allowing a... A method and apparatus is provided for distributing software objects from a producer to a potential user. The software object is reversibly functionally limited,... |
| US-5,689,559 |
Copy prevention method and apparatus of a digital magnetic
recording/reproducing system A copy prevention method and apparatus of a digital magnetic recording/reproducing system performs the copy prevention function by encoding to insert a marker... |
| US-5,689,558 |
Telephone handset holder A telephone handset holder that mounts to the user's head or headgear. The handset holder, with handset attached, allows hands-free use of handset. The handset... |
| US-5,689,557 |
Redial apparatus and methods for processing symbols input by a user
before and during a telephone call A telephone number redial function is provided wherein only digits corresponding to a completed telephone number are stored within a redial buffer. Any digits... |
| US-5,689,556 |
Method of detecting narrow-band signals in an echo canceller A method of detecting narrow-band signals in an echo canceller to control the coefficient update process, echo suppression process, and the disablement of the... |
| US-5,689,555 |
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... |
| US-5,689,554 |
Internetwork communication system for managing subscriber switches
between networks A communication system in which a subscriber terminal moves between networks having different number plans. The moved subscriber terminal can receive the same... |
| US-5,689,553 |
Multimedia telecommunications network and service A multimedia telecommunications network provides telephone service which may involve one or more of audio, video, and data communications. In one example of the... |
| US-5,689,552 |
Telephone calling with automatic billing AN automatic calling service is provided wherein a subscriber predefines one or more destination telephone numbers, and calls to such number or numbers are... |
| US-5,689,551 |
Caller ID system with prescaler A caller ID system is disclosed in which a prescaler is coupled between a source of a caller ID signal and a caller ID receiver, and a processor is coupled to... |
| US-5,689,550 |
Interface enabling voice messaging systems to interact with
communications networks Methods and apparatus for interfacing a plurality of voice messaging systems with a communications network are disclosed. Voice messages from voice message... |
| US-5,689,549 |
Cordless telephone base unit arranged for operating with multiple
portable units A cordless telephone system includes an arrangement wherein multiple portable units operate with a common base unit using the same security code without conflict... |
| US-5,689,548 |
Emergency call back using MSC numbers When establishing an emergency call connection towards a Public Safety Answering Point (PSAP) terminal for a mobile subscriber, instead of transmitting the... |
| US-5,689,547 |
Network directory methods and systems for a cellular radiotelephone In a method of storing directory information in a cellular radiotelephone, the cellular radiotelephone system is provided with a network directory database... |
| US-5,689,546 |
Performance monitoring system for T1 telephone lines A system for monitoring the performance of T1 digital transmission lines by incorporating a common unit interconnected to a plurality of network interface units... |
| US-5,689,545 |
Laser line projecting tool for leveling and alignment of X-ray
equipment, and method of use A portable battery powered tool for aligning equipment in an X-ray room includes two spaced apart channel engaging connectors carried by a reference surface of... |
| US-5,689,544 |
X-ray examination apparatus comprising a beam diaphragm An X-ray examination apparatus includes a beam diaphragm (3) with an X-ray absorbing shutter (4, 31, 32) which is arranged between the X-ray source (1) and the... |
| US-5,689,543 |
Method for balancing rotatable anodes for X-ray tubes A method of balancing X-ray anodes wherein the anode rotor is dynamically balanced separately from the anode target, the anode target is then attached to the... |
| US-5,689,542 |
X-ray generating apparatus with a heat transfer device The present invention provides an X-ray generating apparatus with a shield structure having an electron beam collimating aperture and heat transfer device. The... |
| US-5,689,541 |
X-ray tube wherein damage to the radiation exit window due to
back-scattered electrons is avoided An X-ray tube has a vacuum housing that contains a cathode and an anode, the housing having a radiation exit window. The radiation exit window is electrically... |
| US-5,689,540 |
X-ray water fraction meter An x-ray generator provides a continuous bremsstrahlung photon spectrum for determining the water to liquid ratio in a mixture of oil/water/gas flowing through a... |
| US-5,689,539 |
Time interval measurement system and a method applied therein In order to measure an individual time interval with accuracy beyond frequency limit of semiconductors, a time measurement system of the invention generates a... |
| US-5,689,538 |
Device and method for recovering and cooling the molten core of a
nuclear reactor The device includes a corium collector arranged below the vessel of the reactor, with circulation channels for cooling the collector and the corium. These... |
| US-5,689,537 |
Jet pump beam tensioner An apparatus for tensioning a hold down beam of a nuclear reactor jet pump inlet mixer is configured to be inserted in a confined annulus between a core shroud... |
| US-5,689,536 |
Clock supply apparatus indicating and transmitting preciseness of
generated clock signal A clock supply apparatus contains: a clock generating unit for generating a clock signal; a phase comparing unit for inputting a reference clock signal, and... |
| US-5,689,535 |
Method and apparatus for processing multiple facility datalinks A method and apparatus for processing a plurality of facility datalinks is provided. In particular, synchronizers (14 and 16) receive multiple facility datalinks... |
| US-5,689,534 |
Audio functional unit and system and method for configuring the same The audio system having a master clock, a serial port clocked according to a serial clock from the audio system, a programmable audio functional circuitry... |
| US-5,689,533 |
Refined timing recovery circuit Briefly, in accordance with one embodiment of the invention, a refined timing recovery circuit for retiming a recovered data signal comprises a data pulse edge... |
| US-5,689,532 |
Reduced complexity EPR4 post-processor for sampled data detection An EPR4 detector comprises a PR4 Viterbi detector and an EPR4 post-processor for improving estimated output sequence at an output of the PR4 Viterbi. The PR4... |
| US-5,689,531 |
Receiver for a digital communication system which eliminates cumulative
jitter An electronic receiver for a digital communication system which eliminates cumulative jitter is comprised of an input circuit which receives a continuous series... |
| US-5,689,530 |
Data recovery circuit with large retime margin A circuit for recovering a clock signal from incoming data and for retiming the incoming data comprises circuitry for generating a plurality of phased clock... |
| US-5,689,529 |
Communications method and apparatus for digital information A method and apparatus for single signal, multiple channel digital information transfer through pulses with time slot allocation. The apparatus consists of one... |
| US-5,689,528 |
Decision feedback equalizer with adaptive filter array operating as
feedforward filter of the equalizer In a decision feedback equalizer, symbols from an array of antennas are fed to a first filter where they are respectively multiplied with first weight ... |
| US-5,689,527 |
Communications system using open architecture bus lines A communications system programmable to operate at a selected one of multiple frequency ranges and any one of a plurality of modulations schemes and data rights... |
| US-5,689,526 |
Method and apparatus for synchronizing a plurality of code division
multiple access signals to enable... A method and apparatus at a transmitter (800) initializes (904) pseudonoise (PN) sequence generators (302, 306, 320) to predetermined initial states and... |
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