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Patent # Description
US-5,568,555 Multi-color information encoding system
An exceptionally dense information encoding system, with 4-10 times the density of CD ROM diskettes, employs colored areas in the form of bars or checkerboard...
US-5,568,554 Method for improving the processing and storage performance of digital signature schemes
A method of transferring data to insure data authenticity is provided comprising the steps of providing a first computer system, the first computer system having...
US-5,568,553 Cordless phone system capable of scrambling communication signals
A cordless phone system includes a first cordless phone and a second cordless phone which are coupled to each other by a network, the first cordless phone being...
US-5,568,552 Method for providing a roving software license from one node to another node
An integrated circuit component for enforcing licensing restrictions. Such enforcement is performed through remote transmission of access privileges for...
US-5,568,551 Data management method and system thereof
To enable management by a center of data transferred to a user terminal from the center, an ISDN, which has a call connecting means which forms a signal channel...
US-5,568,550 Method and system for identifying documents generated by an unauthorized software copy
Each copy of software is assigned a unique identifying code pattern which is printed on all documents produced with that software by a high resolution printer....
US-5,568,549 Mobile telephone holder
A mobile telephone holder including a mounting base having vacuum mounts for fastening to an automobile window glass or a flat surface, a holder frame for...
US-5,568,548 Hang-up cup assembly
A handset (100) is supported on mounting surface (104) by hang-up cup assembly (102). The hang-up cup assembly (102) includes a hang-up cup (106) and a pedestal...
US-5,568,547 Subscriber circuit provided with a circuit for monitoring a subscriber instrument
A subscriber circuit comprising a monitor circuit operating with a power supply voltage supplied to a subscriber instrument and monitoring an operation of the...
US-5,568,546 Method and apparatus for dynamic abbreviated dialing assignment
A method and apparatus for automatically and dynamically determining a list of frequently called telephone numbers for abbreviated dialing or speed dialing. The...
US-5,568,545 Centralized command system for a telecommunications network
A centralized command system for a telecommunications network, in which system a central exchange of a telecommunications network and network elements, such as...
US-5,568,544 Routing incoming calls to a PBX in response to route requests from a host computer
An embodiment of the present invention is a method for dynamically routing incoming calls through a private branch exchange (PBX) in response to commands issued...
US-5,568,543 Stored program controlled digital public exchange
A stored-program-controlled local telephone exchange in which internal connections and conference connections are treated as though they were both a combination...
US-5,568,542 Building short circuit react system
A self-correcting intercom system with circuitry to detect faults within the circuitry and phone lines and reset the system to a pre-fault condition on the...
US-5,568,541 System and method for adding a surcharge to the cost/call for telephone solicitations
A method for placing a surcharge on telephone solicitations including the steps of providing a local telephone number to a customer for accessing a call from an...
US-5,568,540 Method and apparatus for selecting and playing a voice mail message
A graphical user interface for the display of voice mail message information and playing voice mail messages through a computer speaker. Using a mouse, the...
US-5,568,539 Interactive telephonic message delivery method and apparatus for providing an intended recipient of a voice...
An interactive telephonic message delivery method and apparatus for providing an intended recipient of a voice message with options as to when the intended...
US-5,568,538 Voice message recorder for use with telephones
A telephone apparatus includes, in combination, a handset unit and a voice message recording unit that is supported on the handset unit so as to be disposed at...
US-5,568,537 Transportable mobile cellular system
A modified mobile cellular booster system is used to boost the power of a hand held portable cellular phone, from a maximum of six-tenths of a watt (0.6 watts),...
US-5,568,536 Selective reconfiguration method and apparatus in a multiple application personal communications device
An option attach connector has a first indicator bit combination that alerts the device that a public switched telephone network connection has been made to it....
US-5,568,535 Alarm system for enclosed area
An alarm system for protecting premises comprises a fully integrated, alarm detecting cellular phone unit which is linked to various sensors in order to detect...
US-5,568,534 Apparatus and method for securing, transporting and analyzing a specimen
An apparatus for orienting, securing and analyzing a specimen comprises a base for receiving the specimen. A cover is receivable over the specimen and base, and...
US-5,568,533 K-filter for serial high-speed rotatography and apparatus for the rotatography
A K-filter is the one attached to an apparatus for serial high-speed rotatography for photographing an object to be examined by use of X-rays. The filter...
US-5,568,532 Examination system utilizing ionizing radiation and a flexible, miniature radiation detector probe
An optimized examination system and method based on the Reverse Geometry X-Ray.RTM. (RGX.RTM.) radiography technique are presented. The examination system...
US-5,568,531 Surface defect evaluating apparatus
A surface defect evaluating apparatus comprises an X-ray generator having a non-winding type cathode, a first slit device for shaping the X-ray flux from the...
US-5,568,530 X-ray computed tomography apparatus
An X-ray computed tomography apparatus in which detection signals based on X-rays transmitted through an object to be examined are repeatedly integrated at...
US-5,568,529 Signal disconnection monitor apparatus and signal period detection apparatus therefor
A signal disconnection detection apparatus includes a first counter, a first comparator, and a detector. The first counter is reset by a pulse signal received...
US-5,568,528 Method and system for compensating a rod position indication system for non-linearity
A method for compensating a rod position indication system for non-linearity comprises the steps of applying an excitation current to a primary of a sensor for...
US-5,568,527 Method and apparatus for remote ultrasonic inspection of core spray T-box welds
A method and an apparatus for in situ ultrasonic inspection of the core spray T-box to thermal sleeve attachment weld and the core spray T-box to cover plate...
US-5,568,526 Self timed interface
A self-timed interface (STI) in which a clock signal clocks bit serial data onto a parallel, electrically conductive bus and the clock signal is transmitted on a...
US-5,568,525 System and method for connection of multiple protocol terminals
A network port configurator device for automatically configuring a system having network workstations and corresponding network equipment of various physical...
US-5,568,524 Filter device comprising a recursive filter unit, method of filtering, and transmission system comprising such...
During filtering of an image having different regions, the operation of a filter unit is adapted in response to the detection of a boundary between these...
US-5,568,523 Method and apparatus for adaptively canceling interference signals
A method and an apparatus for adaptively canceling an interference signal in any D/U ratio is disclosed. The method and apparatus are directed to being...
US-5,568,522 Correction of multipath distortion in wideband carrier signals
The present invention provides a system for determining, and correcting for, channel-induced distortion in transmitted wideband carrier signals. During a...
US-5,568,521 Phase lock indicator circuit for a high frequency recovery loop
An improved phase locked indication circuit for a Costas QPSK carrier recovery loop comprises an inphase channel, a quadrature channel and phase error channel...
US-5,568,520 Slope drift and offset compensation in zero-IF receivers
A method for processing a signal modulated with information symbols to account for an additive offset and slope is disclosed. First, an initial estimate of...
US-5,568,519 Method and apparatus for separating a signal mix
A method for separating a signal mix composed of the additive superposition of M known functions that are weighted with M unknown weighting factors, whereby all...
US-5,568,518 Fast automatic gain control
A method for demodulating or decoding a digitally modulated data signal is disclosed wherein AGC parameters are retain and update or discard in parallel with...
US-5,568,517 Decoding device for performing amplitude-phase demodulation and viterbi decoding
A modulator-demodulator (i.e., modem) permits a personal computer and the like to receive and transmit data in digital format across voice-oriented ...
US-5,568,516 Very low power cordless headset system
A cordless headset, requiring very low power using Time Variant Modulation (TVM) for reception of a magnetic signal and TVM of RF or infrared as the transmitter....
US-5,568,515 Reversible AUI port for ethernet
An improved AUI (CI) line driver that implements three modes: an active mode, an idle mode, and a reverse mode. The reverse mode allows use of the AUI line...
US-5,568,514 Signal quantizer with reduced output fluctuation
A new signal quantization scheme is proposed which reduces fluctuation of the output signal by a signal quantizer (10) providing a quantized output signal and...
US-5,568,513 Standby power savings with cumulative parity check in mobile phones
A power saving standby mode that can be used in mobile radio stations operating in current networks and improves in the intended message reception. The invention...
US-5,568,512 Communication system having transmitter frequency control
A communication system is simpler and conserves power by eliminating the need for a reference frequency oscillator in the transmitter circuit. In a battery...
US-5,568,511 System and method for radio disconnect and channel access for digitized speech trunked radio systems
In half-duplex, trunked digitized voice communications between mobile transceivers, the present invention minimizes time delays occurring after one transceiver...
US-5,568,510 Apparatus and method for obtaining synchronism between a base station and a portable unit arranged for...
A cordless telephone arranged for operation in a frequency hopping system quickly establishes communications between a base unit and an associated handset unit...
US-5,568,509 Dynamic code division multiple access communication system
A traffic carrier waveform W.sub.n (.PHI.,R;t) being the product of a number of tones is employed in transmitting blocks of information from a transmit unit to a...
US-5,568,508 Interlaced geometric harmonic modulation
The present invention provides a novel frequency Interlaced Geometric Harmonic Modulation (IGHM) system. The IGHM system operates in two modes, a preamble mode...
US-5,568,507 Geometric harmonic modulation (GHM) - analog implementation
The present invention provides a novel Geometric Harmonic Modulation (GHM) system. The GHM system operates in two modes, a preamble mode and a traffic mode....
US-5,568,506 Constant voltage electro-slag remelting control
A system for controlling electrode gap in an electro-slag remelt furnace has a constant regulated voltage and an eletrode which is fed into the slag pool at a...
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