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Patent # Description
US-5,781,562 Method, system and apparatus for efficiently generating binary numbers for testing storage devices
An apparatus generates patterns useful for testing storage devices using a modified form of a shift register. A control input and two bits are added and the...
US-5,781,561 Encoding apparatus for hierarchically encoding image signal and decoding apparatus for decoding the image...
Important quantized coefficients having absolute values which are higher than a threshold value are extracted from each of quantized coefficient streams into...
US-5,781,560 System testing device and method using JTAG circuit for testing high-package density printed circuit boards
A method and system testing device for testing a printed circuit board includes a JTAG circuit provided with a JTAG instruction storage unit for storing a...
US-5,781,559 Testable circuit
A testable circuit comprises a signal path having a time-dependent response behavior (for example, a high-pass filter behavior). The signal path is tested for...
US-5,781,558 Diagnostic memory access
A data processing system has at least one processing module containing one or more blocks of memory, having control registers which are accessible via a...
US-5,781,557 Memory test mode for wordline resistive defects
A method and apparatus for detecting resistive defects in a memory device. A pulldown device is placed at the end of a wordline opposite the end of the wordline...
US-5,781,554 Method and apparatus for communicating between nodes in a communications network
A method and apparatus for communicating over a communications network includes determining a time delay between transmission and reception of data block between...
US-5,781,553 Digital wireless private branch exchange system
A digital wireless private branch exchange system comprising a system body, a terminal device and a base station controller. The base station comprises an RF...
US-5,781,552 Automatic address setter capable of determining a network address of a host station
In a method of determining an assigned network address of a host station connected to a local area network, a predetermined routing information signal, such as...
US-5,781,551 Computer communications system with tree architecture and communications method
This is a method and system of communicating on a data and computer communications network. The method of communications for a data and computer communications...
US-5,781,550 Transparent and secure network gateway
In a computer implemented method, packets are transparently and securely communicated between a trusted computer and an untrusted computer connected by a...
US-5,781,549 Method and apparatus for switching data packets in a data network
A local area network switch which implements packet segmentation and reassembly for cell-based switching on a backplane cell bus. A plurality of packet...
US-5,781,547 Router and method for use in a communication system
A router (200) comprising a router controller (203) coupled to a packet-switched interface (202) and a circuit-switched timedivision multiplexed interface (204)...
US-5,781,546 Route restrictions for deadlock free routing with increased bandwidth in a multi-stage cross point packet switch
A method and apparatus for establishing deadlock free routing in a bi-directional, multi-stage, inter-connected, cross-point based packet switch, particularly,...
US-5,781,545 Packet source exclusion method
A method of communicating among nodes connected in a loop in which information packets are initially transmitted in both directions around the loop to assure...
US-5,781,544 Method for interleaving network traffic over serial lines
A method (30) for interleaving a plurality of formatted data streams (10) on a network (20) wherein the formatted data streams (10) are divided into a further...
US-5,781,543 Power-efficient acquisition of a CDMA pilot signal
A system and method for acquiring a code division multiple access (CDMA) pilot signal having a pilot pseudonoise (PN) code offset in a CDMA communication system....
US-5,781,542 Information communication system using multi-code CDMA mode
A system adaptively determines the number of spread codes to use and a type of multi-valued modulation system based on the station of the system. Transmission...
US-5,781,541 CDMA system having time-distributed transmission paths for multipath reception
An arrangement (apparatus and method) for providing a code division multiple access (CDMA) transmission system in an urban environment using spatially-diverse...
US-5,781,540 Device and method for communicating in a mobile satellite system
The present invention relates to a device and a method for communicating in a mobile communication system. The method provides a carrier signal having a...
US-5,781,539 Paging system capable of calling pagers of different bit rates without deterioration of an efficient use of...
A central station and each base station have a timer indicating time instants coincident with each other. A common transmission start time instant is provided...
US-5,781,538 Subscriber unit in a wireless personal communication system
The present invention relates to a subscriber unit in a wireless personal communications system (WPCS). In one embodiment, the subscriber unit includes a digital...
US-5,781,537 Setting up, taking down and maintaining connections in a communications network
An efficient distributed technique for setting up, taking down, and updating connections in a communications network, which is robust in the presence of...
US-5,781,536 Allocation method and apparatus for reusing network resources in a wireless communication system
In a wireless communication system (106), base stations (118, 120) are connected to a backbone network (116) such as a wired LAN and act as access points and...
US-5,781,535 Implementation protocol for SHN-based algorithm restoration platform
A system and method for restoring communication between at least one pair of nodes in a network. Distributed intelligence is provided by messaging between...
US-5,781,534 Method and apparatus for determining characteristics of a path
An information gathering mechanism efficiently acquires information about a path interconnecting a source node and a destination node in a computer network. The...
US-5,781,533 Link buffer sharing method and apparatus
A method and apparatus for providing buffer state accounting at a link level, otherwise known as link flow control, in addition to flow control at the virtual...
US-5,781,532 Data link interface for packet-switched network
A router for sending and receiving data over a virtual connection in a packet-switched network, such as a frame relay network, includes a device for detecting...
US-5,781,531 Method and apparatus for hierarchical relative error scheduling
A novel scheduling method is provided which may be used for rate-based scheduling (e.g., for scheduling flows at some assigned rates in a computer network) or...
US-5,781,530 Redundant local area network
A control system (101) is utilized by a radio communication system for communicating with selective call transceivers (102). The control system (101) includes an...
US-5,781,529 Systems and methods for routing ATM switched virtual circuit calls
The invention routes SVC ATM call setups by utilizing one of a plurality of designated transit lists (DTLs) stored at an originating node. The DTLs describe all...
US-5,781,528 Path switching system and method
A path switching system and method for a multiple-node ATM network, in which a plurality of paths can be simultaneously switched preserving proper correspondence...
US-5,781,527 Integrated multi-fabric digital cross-connect integrated office links
An integrated multiple cross-connect system (10) having remotely located components interconnected by integrated office links is provided. The system (10)...
US-5,781,526 Optical recording medium having a disc with deformed pits
An optical recording medium includes a transparent substrate having a surface formed with a track of pits. A reflecting layer extends on the surface of the...
US-5,781,525 Record optimizer system and method of utilization
The present invention relates to a record optimizer system which functions to adjust a height of a phonograph record which maximizes fidelity reception from a...
US-5,781,524 High density optical head assembly
A magneto-optical (MO) head has a pair of Faraday rotators between a polarizing beam splitter (PBS) and an objective lens for focusing light onto a MO disk. The...
US-5,781,523 Disk reproducing apparatus capable of taking multi-inclined postures
A disk reproducing apparatus comprise a main body of a stock portion in which a plurality of disks are stored in a laminar form, the body being arranged within a...
US-5,781,521 Optical disk recording/reproducing apparatus
An optical disk recording/reproducing apparatus includes an optical pickup for recording information onto a disk and reproducing information from the disk; a...
US-5,781,519 Optical head apparatus for reading different types of recording mediums
An optical head apparatus is disclosed, that comprises a first optical system having a first objective lens (20) and a low power output laser device (24) and a...
US-5,781,518 Disc recording method wherein a segment is recorded with reference data to control the phase of a data clock
A method of recording data on a disc on a disc pre-recorded with servo control data, with the servo control data being pre-recorded in the form of convex and...
US-5,781,517 Accessor hand mechanism having grooves for opening and closing fingers
An accessor hand mechanism includes a carrier frame rotatably mounted on a base, a pair of parallel slide shafts fixed to the carrier frame, and first and second...
US-5,781,516 Multiplane optical disc apparatus and access control method thereof
The present invention is intended to provide a multiplane optical disc apparatus for conducting high-speed information access from a track on one plane to a...
US-5,781,515 Disk information reproduction apparatus and method using avoid band control signals
A method and an apparatus for disk reproduction are disclosed, in which information associated with an audio band signal for controlling the reproduction...
US-5,781,513 Magnetic-field modulation recording method and device for preventing residual information from remaining after...
A magneto-optical recording medium has a recording layer on which information is recorded and an auxiliary layer magnetic-coupled with the recording layer. A...
US-5,781,512 Pocket and table watch with a suspension and support device
A watch (1) whose case (3) comprises a groove (7) on its periphery is mounted in a removable manner in a suspension and support device consisting of two parts...
US-5,781,511 Wrist-worn portable electronic device
A wrist-worn portable electronic device comprises a main unit having a display member for displaying information including time, etc., a wrist band connected to...
US-5,781,510 Hydrophone housing for a solid marine seismic cable
A hydrophone housing includes a hydrophone module, or cap, which contains a hydrophone. The hydrophone housing clamps around a marine seismic cable. The...
US-5,781,509 Wide beam array with sharp cutoff
A transducer array is constructed from a constant arc length portion of a ght circular cylindrical shell of piezoelectric transduction material. The constant arc...
US-5,781,508 Optimizing the compressional wave energy response of an elastic fluid-filled cylinder
A method and system are provided to optimize filtering of compressional wave energy in the wavenumber domain for a given frequency range using a fluid-filled...
US-5,781,506 Method and apparatus for frequency filtering using an elastic fluid-filled cylinder
A method and system are provided for frequency filtering compressional wave nergy. An elastic cylinder is filled with a fluid that is selected based on a fluid...
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