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| Patent # | Description |
|---|---|
| US-5,581,604 |
Method and apparatus for processing an incoming call in a communication
system A method and apparatus for providing a telephone user with automated attendant functions with numerous selectable options. The options include selecting one of... |
| US-5,581,602 |
Non-offensive termination of a call detection of an answering machine A method and an apparatus are disclosed which provide for non-offensive termination of an outbound call which has been answered when an agent is not available to... |
| US-5,581,601 |
Communication system A communication system comprising a controller (1) arranged for service implementation. The controller (1) is arranged for extracting a service logical program... |
| US-5,581,600 |
Service platform A service platform for the provision of automated speech based services over a telephone network comprises a speech processor including associated memory, to... |
| US-5,581,599 |
Cordless telephone terminal An interactive cordless telephone handset having an alphanumeric data display system is in radio communication with an associated base station to which voice and... |
| US-5,581,598 |
Apparatus and method for setting an ID number by sound in a cordless
telephone To make it possible to easily carry out registration of a mutual ID number (ID) in a slave telephone set in cordless telephone device by only operating a switch... |
| US-5,581,597 |
Radio personal communications system and method for selecting a
frequency for use in communications between a... Transceiver frequency and optionally power level are allocated to a radio personal communications system which includes a base station connected to a wire... |
| US-5,581,596 |
Method for controlling call processing in a microcellular personal
communications services system A method for controlling call processing in a microcellular Personal Communications Services (PCS) incorporating Distributed Radio Port Controller (D-RPC)... |
| US-5,581,595 |
Telephone with an auto dialing function In a telephone system, a memory dial mode is set by operating a mode key of a radio telephone, and then a selection key is manipulated to select a public... |
| US-5,581,594 |
Method and apparatus for initiating communication via paging a mobile
computing device A wireless communication system including a paging-type system for sending messages to a mobile device. A wireless communication link is set up between the... |
| US-5,581,593 |
Combination telephone and alphanumeric entry device A combined telephone AED simply integrates the function of a telephone and an alphanumeric entry device required for alphanumeric paging into a single unit by... |
| US-5,581,592 |
Anti-scatter X-ray grid device for medical diagnostic radiography An anti-scatter x-ray grid for medical diagnostic radiography includes a substrate having channels therein of material that is substantially non-absorbent of... |
| US-5,581,591 |
Focal spot motion control for rotating housing and anode/stationary
cathode X-ray tubes An x-ray tube includes an anode (A) and an envelope (C). A cathode assembly (B) which is supported in the envelope on a bearing (32) emits a beam of electrons... |
| US-5,581,590 |
SOR exposure system and method of manufacturing semiconductor devices
using same In an SOR exposure system for transferring patterns on masks to semiconductor wafers by using SOR radiation reflected by an X-ray reflecting mirror, a first... |
| US-5,581,589 |
Method and apparatus for producing gel particles A method and an apparatus for producing microspherical ceramic particles such as particulate ceramic fuels for use in nuclear reactors. To produce gel particles... |
| US-5,581,588 |
Insulated protective coating doped with a noble metal for mitigation of
stress corrosion cracking A method for mitigating crack initiation and propagation on the surface of metal components in a water-cooled nuclear reactor. An electrically insulating coating... |
| US-5,581,587 |
Control rod driving apparatus A control rod driving apparatus adapted to drive a control rod assembly for a nuclear reactor is disposed in a housing mounted to a reactor pressure vessel of... |
| US-5,581,586 |
Drive device for control rod drive mechanisms In a drive device of control rod drive mechanisms, a large number of control rod drive mechanisms are divided into a plurality of groups, and there are provided,... |
| US-5,581,585 |
Phase-locked loop timing recovery circuit A timing recovery apparatus for recovering the timing from sparse timing information in multi-level or partial response codes. The timing recovery apparatus... |
| US-5,581,584 |
PLL circuit A PLL circuit includes a PLLic formed into an integrated circuit; a loop filter for receiving an output signal from the PLLic; a voltage-controlled oscillator... |
| US-5,581,583 |
Optimizing the analog BER function in a spatial angular diversity
digital radio receiver A radio link for a digital radio transmission system having spatial and/or angular diversity is optimized in real time by searching for a minimum of the analog... |
| US-5,581,582 |
Automatic frequency control method and apparatus therefor An automatic frequency control apparatus includes a sampling portion for sampling the signal transmitted according to a phase-shift keying method, a phase... |
| US-5,581,581 |
Viterbi equalizer A Viterbi equalizer can provide an accurate equalizing characteristic. This Viterbi equalizer comprises a synchronizing signal data detecting circuit for... |
| US-5,581,580 |
Low complexity model based channel estimation algorithm for fading
channels A low complexity model based channel estimator is disclosed for use by a receiver in Rayleigh fading environments. The receiver contains at least one channel... |
| US-5,581,579 |
Method and apparatus to adaptively control the frequency of reception in
a digital wireless communication system In a digital wireless communication system operating between a first unit and a second unit, the first unit transmits a digitally encoded RF signal at a first... |
| US-5,581,578 |
Digital communication system and a receiver for use in such a system Known in a digital communication system (1) are phase recovery methods for QPSK modulated signals. It is proposed to extend such methods to multi-resolution QAM... |
| US-5,581,577 |
Device for and method of counting bit errors and device for and method
of identifying signals A bit error counter for a digital communication system has transmitter and receiver. The transmitter includes circuitry for convolution encoding of an input... |
| US-5,581,576 |
Radio information broadcasting and receiving system A radio information broadcasting and receiving system consisting of three major parts: an FM transmitter station with subcarrier multiplexing capability, an FM... |
| US-5,581,575 |
Method and apparatus for transmission of variable rate digital data A communication system for transmitting variable rate data is disclosed wherein redundancy is added to the variable rate data to provide repetition symbols. The... |
| US-5,581,574 |
Method and apparatus for conditioning and using furnace off-gases in a
scrap preheating apparatus A preheat system for a furnace comprising a preheat vessel on a rotating turret and a receiving chamber for conditioning furnace off-gases prior to use in... |
| US-5,581,573 |
Solid-state laser device with diffused-light excitation, and integrating
sphere In a laser device having a solid-state laser medium of a slab or rod-shaped crystal, a flash lamp serving as an excitation-light source for the laser medium, and... |
| US-5,581,572 |
Wavelength-tunable, distributed bragg reflector laser having selectively
activated, virtual diffraction gratings A wavelength-tunably distributed Bragg reflector laser having selectively activated virtual diffraction gratings including a semiconductor guide layer (4)... |
| US-5,581,571 |
Semiconductor devices and methods A semiconductor laser device includes, in a disclosed embodiment: a semiconductor active region disposed between upper and lower confining regions of opposite... |
| US-5,581,570 |
Semiconductor laser device A semiconductor laser device includes semiconductor layers including an active layer and cladding layers sandwiching the active layer and current injecting... |
| US-5,581,569 |
Solid state laser apparatus A solid state laser apparatus includes a laser medium of a uniaxial crystal, such as a fluoride crystal, having a negative temperature variation ratio of... |
| US-5,581,568 |
Data detection apparatus A data detection apparatus has an A/D (analog to digital) converter which samples and quantizes the output of a low-frequency-emphasizing-type equalization... |
| US-5,581,567 |
Dual level error detection and correction employing data subsets from
previously corrected data A memory system that provides extra data bits without utilizing storage capacity. A first data word is fetched from memory and corrected to remove any single-bit... |
| US-5,581,566 |
High-performance parallel interface to synchronous optical network
gateway A system of sending and receiving gateways interconnects high speed data interfaces, e.g., HIPPI interfaces, through fiber optic links, e.g., a SONET network. An... |
| US-5,581,565 |
Measuring apparatus used for testing connections between at least two
subassemblies The invention relates to a measuring apparatus used for testing the connections between at least two subassemblies (3, 4, 5), comprising a test system (1) for... |
| US-5,581,564 |
Diagnostic circuit A diagnostic circuit of the present invention has serial command input and output pins separate from its serial data input and output pins. In one embodiment,... |
| US-5,581,563 |
Design for testability technique of CMOS and BICMOS ICS A DFT technique for the detection of bridging faults in CMOS and BiCMOS logic ICs, employs purposely integrated monitoring inverters, driven by signal nodes of... |
| US-5,581,562 |
Integrated circuit device implemented using a plurality of partially
defective integrated circuit chips An integrated circuit (IC) device implemented according to an architectural design that specifies that the IC device is required to have one functional module,... |
| US-5,581,561 |
Random bit diagnostic for a high resolution measurement system An apparatus determines if a bit of a word is stuck or unchanging. The apparatus inputs test words to be tested, a zero word indicating that all bits have been... |
| US-5,581,560 |
Communication apparatus and method for simultaneous communication of
audio and data signals with improved audio... In order to automatically renew data using a modem which can simultaneously transmit/receive audio and data signal, there is disclosed an apparatus having a... |
| US-5,581,559 |
Inverse packet disrupt for secure networks A method for providing a secure local area network includes the steps of receiving a data packet having a destination address and comparing the destination... |
| US-5,581,558 |
Apparatus for bridging non-compatible network architectures A bridging apparatus facilitates communication between processors across networks having incompatible protocols and linking the processors. The bridging... |
| US-5,581,557 |
Method used in a communication network for determining access of user
stations to a main station thereof A method is provided of determining access in a communication network having a main station (CS) and user stations (US1-USM) with distinct N-bit binary... |
| US-5,581,556 |
Local area network system A local area network line system having a bus line and a plurality of devices is disclosed. Each of the devices comprises a data receiver circuit coupled to the... |
| US-5,581,555 |
Reverse path allocation and contention resolution scheme for a broadband
communications system A broadband communications system for coupling telephony or other digital networks to a CATV network. The system transmits a multiplex of telephony signals in... |
| US-5,581,554 |
Multiple access telecommunication network In a multiple access network, signals transmitted by a plurality of secondary stations to a primary station are to be distinguished by the primary station. One... |
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