Top 100 US Patents in Networking
section h - electricity > electric communication technique > transmission of digital information, e.g. telegraphic communication
Sorted by IPQ® Score, an objective measure of patent quality. View scores and methodology at PatentRatings.com. You can also view all by publication date instead.
US5727157 (A), filed
Dec 19, 1996
, published
Mar 10, 1998
- CABLETRON SYSTEMS INC
An apparatus and method for determining the topology of a computer network including data-relay devices and node devices, based on a comparison of source adddresses heard by the various data relay-devices. A source address table is compiled for each port of...
US5768269 (A), filed
Aug 25, 1995
, published
Jun 16, 1998
- TERAYON CORP
A method and apparatus for carrying out synchronous codivision multiple access (SCDMA) communication of multiple channels of digital data over a shared transmission media such as a cable television system coaxial cable, a fiber optic or copper conductor...
US5029183 (A), filed
Jun 29, 1989
, published
Jul 02, 1991
- SYMBOL TECHNOLOGIES INC
US5826014 (A), filed
Feb 06, 1996
, published
Oct 20, 1998
- NETWORK ENGINEERING SOFTWARE
Providing a firewall for isolating network elements from a publicly accessible network to which such network elements are attached. The firewall operates on a stand alone computer connected between the public network and the network elements to be protected...
USRE39812 (E1), filed
Jul 28, 2005
, published
Sep 04, 2007
- NAT SEMICONDUCTOR CORP
An apparatus matches the configuration of a first station of a local area network to the configuration of the second station of the local area network. The first station detects a protocol advertisement from the second station that indicates a protocol in...
US6325294 (B2), filed
Feb 01, 2001
, published
Dec 04, 2001
- MICRON TECHNOLOGY INC
The present invention teaches a method of manufacturing an enclosed transceiver, such as a radio frequency identification ("RFID") tag. Structurally, in one embodiment, the tag comprises an integrated circuit (IC) chip, and an RF antenna mounted on a thin film...
US5689641 (A), filed
Oct 01, 1993
, published
Nov 18, 1997
- VICOR INC
A multimedia collaboration system that integrates separate real-time and asynchronous networks-the former for real-time audio and video, and the latter for control signals and textual, graphical and other data-in a manner that is interoperable across different...
US6244512 (B1), filed
Aug 25, 1998
, published
Jun 12, 2001
- INTERMEC IP CORP
A hand-held data collection device with a user interface surface that is wider than its handgrip area. Also, a hand-held data collection device with an upwardly facing surface containing a user interface and a side surface containing a plurality of actuators....
US5619503 (A), filed
Jan 11, 1994
, published
Apr 08, 1997
- ERICSSON GE MOBILE INC
The invention relates to a radio communication system and method for minimizing co-channel interference. The system and method employ a matrix processor to separate signals received from, or transmitted to, a plurality of mobile units. The coefficients of the...
US5142550 (A), filed
Dec 28, 1990
, published
Aug 25, 1992
- SYMBOL TECHNOLOGIES INC
A packet data transmission system is used to link a number of remote hand-held data-gathering units such as bar code readers to a central computer which maintains a database management system. Data packets are sent from the remote units by an RF link to...
US5331641 (A), filed
Mar 09, 1992
, published
Jul 19, 1994
- TRANSWITCH CORP
Apparatus and methods for retiming an STS-3 type signal are provided. The SPE of an incoming STS-3 type signal is demultiplexed into three STS-1 payloads and fed to three FIFOs, and a byte which is synchronous with the TOH is tracked through the three FIFOs to...
US7260395 (B1), filed
Oct 30, 2000
, published
Aug 21, 2007
- SYMBOL TECHNOLOGIES INC
The present invention relates to apparatus and methods for adapting a mobile unit to communication requirements of a particular country or geographic region. A wireless local area network communications system may include access points and remote terminals....
US5799010 (A), filed
Jun 27, 1996
, published
Aug 25, 1998
- INTERDIGITAL TECH CORP
A multiple access, spread-spectrum communication system processes a plurality of information signals received by a Radio Carrier Station (RCS) over telecommunication lines for simultaneous transmission over a radio frequency (RF) channel as a code-division-mul...
US5918013 (A), filed
Jun 03, 1996
, published
Jun 29, 1999
- WEBTV NETWORKS INC
A method of providing a document to a client coupled to a server is provided. The server provides a number of Internet services to the client, including functioning as a caching proxy on behalf of the client for purposes of accessing the World Wide Web. The...
US5594910 (A), filed
Nov 26, 1993
, published
Jan 14, 1997
- IBM
A distributed processing, interactive computer network and method of operation is described. The network is designed to provide very large numbers of simultaneous users access to large numbers of applications which feature interactive text/graphic sessions....
US5553094 (A), filed
Jul 07, 1994
, published
Sep 03, 1996
- IRIS SYSTEMS INC
A wide area communications network communicating data from a plurality of network service modules through a plurality of remote cell nodes and intermediate data terminals to a central data terminal. The wide area communications network collects network data...
US4304001 (A), filed
Jan 24, 1980
, published
Dec 01, 1981
- FORNEY INTERNATIONAL
A control system for controlling an industrial process includes a plurality of remotely located process control units (remotes) each coupled to an associated input/output device(s) and adapted to communicate with one another through a dual channel communicatio...
US5870474 (A), filed
Dec 29, 1995
, published
Feb 09, 1999
- SCIENTIFIC ATLANTA
A control system provides secure transmission of programs, including at least one of video, audio, and data, between a service provider and a customer's set top unit over a digital network. Program bearing data packets are recieved in a first network protocol...
US6580717 (B1), filed
Feb 25, 1999
, published
Jun 17, 2003
- HITACHI LTD
A packet communication method and a packet communication system capable of making an IPv4-compatible application operating on an information processing apparatus communicate with another information processing apparatus connected to an IPv6 network without...
US6430722 (B1), filed
Jan 22, 1999
, published
Aug 06, 2002
- HUGHES ELECTRONICS CORP
A method of providing forward error correction for data services uses a parallel concatenated convolutional code which is a Turbo Code comprising a plurality of constituent encoders wherein a plurality of data block sizes are used in conjunction with said...
US5613012 (A), filed
May 17, 1995
, published
Mar 18, 1997
- SMARTTOUCH LLC
A tokenless identification system and method for authorization of transactions and transmissions. The tokenless system and method are principally based on a correlative comparison of a unique biometrics sample, such as a finger print or voice recording,...
US6438591 (B1), filed
Jul 05, 2000
, published
Aug 20, 2002
- COMPAQ INFORMATION TECHNOLOGIE
A system for managing an assemblage of entities. The entities interface within the assemblage for control of primary information handling functions and further interface with the system to permit the carrying out of management functions. The system includes...
US5732212 (A), filed
Jan 13, 1994
, published
Mar 24, 1998
- FOX NETWORK SYSTEMS INC
A system and method for accessing, controlling and monitoring a data processing device in which a video raster signal from the data processing device is analyzed to determine the information displayed on a video display monitor attached to the data processing...
US5648982 (A), filed
Sep 09, 1994
, published
Jul 15, 1997
- OMNIPOINT CORP
A technique for modulating and demodulating CPM spread spectrum signals and variations of CPM spread spectrum signals. A transmitter divides a signal data stream into a plurality of data streams (such as I and Q data streams), independently modulates the I and...
US7298851 (B1), filed
Sep 21, 1999
, published
Nov 20, 2007
- DISCOVERY COMMUNICAT INC
The invention, electronic book security and copyright protection system, provides for secure distribution of electronic text and graphics to subscribers and secure storage. The method may be executed at a content provider's site, at an operations center, over...
US6351499 (B1), filed
Dec 15, 1999
, published
Feb 26, 2002
- IOSPAN WIRELESS INC
A method of maximizing a communication parameter, such as data capacity, signal quality or throughput of a channel between a transmit unit with M transmit antennas and a receive unit with N receive antennas and a communication system such as a wireless network...
US5933421 (A), filed
Feb 06, 1997
, published
Aug 03, 1999
- AT T WIRELESS SERVICES INC
The high quality PCS communications are enabled in environments where adjacent PCS service bands operate with out-of-band harmonics that would otherwise interfere with the system's operation. The highly bandwidth-efficient communications method combines a form...
US7437475 (B2), filed
Oct 21, 2003
, published
Oct 14, 2008
- LV PARTNERS L P
A Method and apparatus for utilizing a coded audio/video signal to conduct commerce over the Internet. Broadcast information is broadcast from a remote location on a secondary network containing video over the secondary network to a location thereon proximate...
US5054020 (A), filed
Apr 11, 1990
, published
Oct 01, 1991
- DIGITAL ACCESS CORP
A general purpose communications processor for communicating data between an asynchronous data terminal and a synchronous data communication facility, includes (I) a transmit module, having (a) a transmit processor, (b) an input serial communication controller...
US6353614 (B1), filed
Mar 05, 1998
, published
Mar 05, 2002
- 3COM CORP
A method and protocol for Distributed Network Address Translation ("DNAT") is provided. DNAT is used to overcome the limited address 32-bit address space used for versions of the Internet Protocol ("IP"). DNAT is used with small office or home office networks...
US6438678 (B1), filed
Aug 11, 1998
, published
Aug 20, 2002
- CISCO TECH IND
A programmable data communications device is provided to process multiple streams of data according to multiple protocols. The device is equipped with a co-processor including multiple, programmable processors allowing data to be operated on by multiple...
US7460507 (B2), filed
Feb 20, 2004
, published
Dec 02, 2008
- BROADCOM CORP
A packet-based, hierarchical communication system, arranged in a spanning tree configuration, is described in which wired and wireless communication networks exhibiting substantially different characteristics are employed in an overall scheme to link portable...
US5479441 (A), filed
Jan 18, 1994
, published
Dec 26, 1995
- SYMBOL TECHNOLOGIES INC
A packet data transmission system is used to link a number of remote hand-held data-gathering units such as bar code readers to a central computer which maintains a database management system. Data packets are sent from the remote units by an RF link to...
US5347632 (A), filed
Jul 28, 1989
, published
Sep 13, 1994
- PRODIGY SERVICES COMPANY
An interactive computer system network enables a user to display desired information, such as news, financial and cultural information, and perform desired transactional services, such as banking and shopping, through any of a plurality of types of personal...
US6219032 (B1), filed
Dec 13, 1995
, published
Apr 17, 2001
- IMMERSION CORP
A method and apparatus for providing force feedback to a user operating a human/computer interface device in conjunction with a graphical user interface (GUI) displayed by a host computer system. A physical object, such as a joystick or a mouse, controls a...
US5586117 (A), filed
Jun 20, 1994
, published
Dec 17, 1996
- NAT SEMICONDUCTOR CORP
An apparatus matches the configuration of a first station of a local area network to the configuration of the second station of the local area network. The first station detects a protocol advertisement from the second station that indicates a protocol in...
US7333957 (B2), filed
Jan 06, 2003
, published
Feb 19, 2008
- DIGIMARC CORP
Media objects are transformed into active, connected objects via identifiers embedded into them or their containers. In the context of a user's playback experience, a decoding process extracts the identifier from a media object and possibly additional context...
US4549302 (A), filed
Oct 11, 1983
, published
Oct 22, 1985
- HAYES MICROCOMPUTER PROD
An FSK modem for coupling a standard data port (50) to a telephone line (45) in which the signal path between the phone line and the data port passes through a processor (55). When the modem is in a transparent mode of operation, for transmitting data, a timer...
US7433855 (B2), filed
Jul 24, 2003
, published
Oct 07, 2008
- MCI COMMUNICATIONS CORP
A system, method and computer program product for processing event records. The present invention includes a detection layer, an analysis layer, an expert systems layer and a presentation layer. The layered system includes a core infrastructure and a...
US6717864 (B2), filed
Oct 15, 2002
, published
Apr 06, 2004
- MONLITHIC SYSTEM TECHNOLOGY IN
A memory system includes a plurality of memory modules, each including at least one memory array. Each memory array has an associated line of sense amplifier latches, wherein each line of sense amplifier latches is activated independently. Each line of sense...
US5327018 (A), filed
Oct 30, 1992
, published
Jul 05, 1994
- GEMPLUS CARD INT
The invention concerns interface circuits for chip card readers. It consists of providing link connections between this circuit and the reader, these connections being identical to those established between the circuit and the chip card. An internal switch...
US6061504 (A), filed
Jun 10, 1996
, published
May 09, 2000
- EMC CORP
A video file server includes an integrated cached disk array storage subsystem and a plurality of stream server computers linking the cached disk storage system to the data network for the transfer of video data streams. The video file server further includes...
US6219694 (B1), filed
May 29, 1998
, published
Apr 17, 2001
- RES IN MOTION LTD
A system and method for pushing information from a host system to a mobile data communication device upon sensing a triggering event is disclosed. A redirector program operating at the host system enables a user to continuously redirect certain user-selected...
US5949891 (A), filed
Nov 16, 1994
, published
Sep 07, 1999
- INTEL CORP
An audio processing system applies a filter to convert the audio signals generated by the microphone of a combined microphone/speaker earpiece into filtered audio signals, where the filter is designed to correct for distortions in the audio signals that result...
US7424737 (B2), filed
May 06, 2004
, published
Sep 09, 2008
- GRAPHON CORP
A virtual host for protocol transforming traffic traversing between an IP-compliant source and non-IP compliant destination is disclosed. The virtual host includes a communications channel configured to channel process traffic, transforming IP-compliant...
US6412073 (B1), filed
Dec 08, 1998
, published
Jun 25, 2002
- YODLEE COM INC
An Internet Portal is enabled by software executing on an Internet-connected server. The Portal, in response to a log-on by a user, presents a secure and personalized page for and to the user, the personalized page having listed plural Internet destinations...
US7432910 (B2), filed
Feb 23, 2004
, published
Oct 07, 2008
- IMMERSION CORP
An interface device and method providing haptic sensations to a user. A user physically contacts a housing of the interface device, and a sensor device detects the manipulation of the interface device by the user. An actuator assembly includes an actuator that...
US5506954 (A), filed
Nov 24, 1993
, published
Apr 09, 1996
- INTEL CORP
A video subsystem resides partially on a host processor and partially on a video board. Audio and communications subsystems reside partially on the host processor and partially on a audio/communications board. The video subsystem generates and passes local...
US5982891 (A), filed
Nov 04, 1997
, published
Nov 09, 1999
- INTERTRUST TECH CORP
The present invention provides systems and methods for secure transaction management and electronic rights protection. Electronic appliances such as computers equipped in accordance with the present invention help to ensure that information is accessed and...
US5878186 (A), filed
May 24, 1993
, published
Mar 02, 1999
- ENGATE INC
A transcription network having linked computer terminals for a court reporter and for examining, defending, and associate attorneys is disclosed. Based on the hardware present, the court reporter terminal automatically selects the most appropriate synchronizat...
US6137839 (A), filed
Oct 31, 1996
, published
Oct 24, 2000
- TEXAS INSTRUMENTS INC
A discrete multitone (DMT) digital subscriber loop (xDSL) telecommunication system has a transmitter portion including a bit encoder, inverse fast Fourier transform (FFT), parallel-to-serial converter, digital-to-analog converter and line driver for transmitti...
US7475137 (B2), filed
Jun 25, 2004
, published
Jan 06, 2009
- MICRON TECHNOLOGY INC
A multi-level network security system is disclosed for a computer host device coupled to at least one computer network. The system including a secure network interface Unit (SNIU) contained within a communications stack of the computer device that operates at...
US7313813 (B2), filed
Jul 11, 2003
, published
Dec 25, 2007
- YODLEE COM INC
An Internet Portal is enabled by software executing on an Internet-connected server. The Portal, in response to a log-on by a user, presents a secure and personalized page for and to the user, the personalized page having listed plural Internet destinations...
US6819749 (B1), filed
Jul 27, 1999
, published
Nov 16, 2004
- MINDSPEED TECH INC
A fast startup procedure for a modem system utilizes known characteristics of a previously established communication channel to reduce the initialization period associated with subsequent connections over the same channel. In response to the establishment of a...
US6085192 (A), filed
Apr 11, 1997
, published
Jul 04, 2000
- ROAMPAGE INC
A system includes a general synchronization module at the client site for operating within a first firewall and for examining first version information to determine whether a first workspace element has been modified. The system further includes a synchronizat...
US5008900 (A), filed
Aug 14, 1989
, published
Apr 16, 1991
- INT MOBILE MACHINES
A subscriber unit for wireless communication with a base station in a wireless subscriber communication system includes a FIR chip, a DIF (digital intermediate frequency) chip, a single processor chip and a radio. The processor chip transcodes a digital voice...
US6020881 (A), filed
Feb 18, 1997
, published
Feb 01, 2000
- SUN MICROSYSTEMS
An intuitive graphical user interface is based upon a geographic map structure, and includes a system for controlling remote external electronic devices. In the defined graphical user interface, each Space of the geographic map structure is rendered on a touch...
US6618429 (B2), filed
Oct 02, 2002
, published
Sep 09, 2003
- OUALCOMM INC
A system and method for communicating information signals using spread spectrum communication techniques. PN sequences are constructed that provide orthogonality between the users so that mutual interference will be reduced, allowing higher capacity and better...
US5548226 (A), filed
Jun 30, 1994
, published
Aug 20, 1996
- HITACHI LTD
A signal transmitting circuit includes one or more circuit blocks having a driving circuit and an intra-block transmission line for transmitting a signal produced by the driving circuit, one or more circuit blocks having a receiving circuit and an intra-block...
US5742792 (A), filed
May 28, 1996
, published
Apr 21, 1998
- EMC CORP
Two data storage systems are interconnected by a data link for remote mirroring of data. Each volume of data is configured as local, primary in a remotely mirrored volume pair, or secondary in a remotely mirrored volume pair. Normally, a host computer directly...
US5793763 (A), filed
Nov 03, 1995
, published
Aug 11, 1998
- CISCO TECH IND
A system and method are provided for translating local IP addresses to globally unique IP addresses. This allows local hosts in an enterprise network to share global IP addresses from a limited pool of such addresses available to the enterprise. The translatio...
US7440416 (B2), filed
Dec 15, 2003
, published
Oct 21, 2008
- BROADCOM CORP
A hierarchical communication system, arranged in a spanning tree configuration, is described in which wired and wireless communication networks exhibiting substantially different characteristics are employed in an overall scheme to link portable or mobile...
USRE40540 (E1), filed
Dec 17, 2003
, published
Oct 14, 2008
- MLR LLC
A network and method of operating a network of wireless service providers adapted to interact with a plurality of omni-modal wireless products within a given geographic area in a manner to permit the wireless service providers to "borrow" radio frequencies...
US5615277 (A), filed
Nov 28, 1994
, published
Mar 25, 1997
A tokenless security system and method for preventing unauthorized access to one or more secured computer systems is shown. The security system and method are principally based on a correlative comparison of a unique biometric sample, such as a finger print or...
US7366900 (B2), filed
Jan 12, 2001
, published
Apr 29, 2008
- VERIZON LAB INC
A method, system and computer program product are disclosed for enhancing the security of a message sent through a network server from a client computer to a destination server running any computer platform. Credentials for authorizing a principal are obtained...
US6985883 (B1), filed
May 02, 2000
, published
Jan 10, 2006
- EBS DEALING RESOURCES INC
An anonymous trading system (FIG. 1 ) identifies the best bids and offers (QuoteSubmit, FIG. 3 ) from those counterparties (WS A 1 a 1 ) with which each party (WS A 1 fb 1, WS A 1 b 2 , ... WS A 2 a 2 ) is currently eligible to deal, while maintaining the...
US6496940 (B1), filed
Jun 07, 1995
, published
Dec 17, 2002
- COMPAQ COMPUTER CORP
A multiprocessor system includes a number of sub-processor systems, each substantially identically constructed, and each comprising a central processing unit (CPU), and at least one I/O device, interconnected by routing apparatus that also interconnects the...
US7415511 (B2), filed
Nov 09, 2004
, published
Aug 19, 2008
- LV PARTNERS L P
A method for interfacing scanned product information with a source for the product over a global network. A method is provided for obtaining information regarding the source of a product from a remote information source location on a global communication...
US4675863 (A), filed
Mar 20, 1985
, published
Jun 23, 1987
- INT MOBILE MACHINES
A system for the wireless transmission of multiple information signals utilizing digital time division circuits between a base station and a plurality of subscriber stations. The subscriber stations may be fixed or movable. The number of time division circuits...
US5717510 (A), filed
Aug 02, 1995
, published
Feb 10, 1998
- FUJITSU LTD
The invention provides a technique for optimizing transmission conditions to achieve large-capacity transmission, and also provides peripheral techniques for the practical implementation of optical multiplexing that makes large-capacity transmission possible....
US6154465 (A), filed
Oct 06, 1998
, published
Nov 28, 2000
- VERTICAL NETWORKS INC
Systems and methods by which voice/data communications may occur in multiple modes/protocols are disclosed. In particular, systems and methods are provided for multiple native mode/protocol voice and data transmissions and receptions with a computing system...
US6546488 (B2), filed
Sep 21, 1998
, published
Apr 08, 2003
- HUGHES ELECTRONICS CORP
A method and apparatus for broadcasting newsgroup information to a plurality of users uses a news server, which is in communication with the Internet, a newscast transmitter, a satellite gateway, and a subscriber station. The news server gathers newsgroup...
US5778181 (A), filed
Mar 14, 1996
, published
Jul 07, 1998
- ACTV INC
A system for integrating video programming with the vast information resources of the Internet. A computer based system receives a video program with embedded uniform resource locators (URLs). The URLs, the effective addresses of locations or Web sites on the...
US4397020 (A), filed
Oct 13, 1981
, published
Aug 02, 1983
- BELL TELEPHONE LABOR INC
Errors in digital transmission are monitored by employing a cyclical-redundancy-check (CRC). A CRC code word having a predetermined number of bits is generated (via 310) from a block of bits (ESF) of a presently transmitted time division muliplexed (XTDM)...
USRE40530 (E1), filed
Oct 20, 2000
, published
Oct 07, 2008
- HEWLETT PACKARD DEVELOPMENT CO
A method and apparatus are disclosed for improving public key encryption and decryption schemes that employ a composite number formed from three or more distinct primes. The encryption or decryption tasks may be broken down into sub-tasks to obtain encrypted...
US4484027 (A), filed
Nov 19, 1981
, published
Nov 20, 1984
- COMMUNICATIONS SATELLITE CORP
In a secure communications system, a key number which is changed periodically, e.g. monthly, and a random number from a random number generator are combined and used as a seed to reset a PN sequence generator, with the output of the generator being used to...
US6745234 (B1), filed
Aug 19, 1999
, published
Jun 01, 2004
- DIGITAL CONVERGENCE CORP
A method for controlling a computer is disclosed wherein one or more remote locations disposed on a network are accessed in response to scanning an optical code. A first computer disposed on the network connects to a scanner for scanning the optical code of a...
US5369704 (A), filed
Mar 24, 1993
, published
Nov 29, 1994
- ENGATE INC
A transcription network having linked computer terminals for a court reporter and for examining, defending, and associate attorneys is disclosed. Real-time transcription text is communicated from the reporter's terminal through the network. Secure message...
US6275852 (B1), filed
Aug 06, 1999
, published
Aug 14, 2001
- IBM
A method of operating a distributed processing, interactive computer network is described. The network is designed to provide very large numbers of simultaneous users access to large numbers of applications which feature interactive text/graphic sessions. The...
US7257619 (B2), filed
Jun 29, 2004
, published
Aug 14, 2007
- LV PARTNERS LP
An interlocking architecture for a software interface and a bar code scanner. Upon power-up, a handshaking operation is performed between a scanner ( 1600 ) having a scanner processor ( 2600 ) and a computer processor ( 2612 ) of a computer ( 302 ) based upon...
US5103459 (A), filed
Jun 25, 1990
, published
Apr 07, 1992
- QUALCOMM INC
A system and method for communicating information signals using spread spectrum communication techniques. PN sequences are constructed that provide orthogonality between the users so that mutual interference will be reduced, allowing higher capacity and better...
US5103459 (B1), filed
Jun 25, 1990
, published
Jul 06, 1999
- QUALCOMM INC
US6449647 (B1), filed
Sep 21, 1999
, published
Sep 10, 2002
- CISCO SYSTEMS INC
A content-aware flow switch intercepts a client content request in an IP network, and transparently directs the content request to a best-fit server. The best-fit server is chosen based on the type of content requested, the quality of service requirements...
US6658480 (B2), filed
Mar 09, 2001
, published
Dec 02, 2003
- ALACRITECH INC
A system for protocol processing in a computer network has an intelligent network interface card (INIC) or communication processing device (CPD) associated with a host computer. The CPD provides a fast-path that avoids protocol processing for most large...
US5566169 (A), filed
Nov 01, 1993
, published
Oct 15, 1996
- NAT SEMICONDUCTOR CORP
A data communication system, such as a local area network, is provided with a capability of transmitting isochronous data. Preferably the system conveys both isochronous data and non-isochronous data by time-multiplexing the data into a recurring frame...
US5594734 (A), filed
Nov 01, 1993
, published
Jan 14, 1997
- NAT SEMICONDUCTOR CORP
A data communication system, such as a local area network, is provided with a capability of transmitting isochronous data. Preferably the system conveys both isochronous data and non-isochronous data by time-multiplexing the data into a recurring frame...
US5941972 (A), filed
Dec 31, 1997
, published
Aug 24, 1999
- CROSSROADS SYS INC
A storage router (56) and storage network (50) provide virtual local storage on remote SCSI storage devices (60, 62, 64) to Fiber Channel devices. A plurality of Fiber Channel devices, such as workstations (58), are connected to a Fiber Channel transport...
US7024189 (B2), filed
Apr 15, 2004
, published
Apr 04, 2006
- TELULAR CORP
A Bluetooth-wireless docking station for use with a Bluetooth-enabled cellular mobile handset, which docking station allows mobility to the cellular mobile handset rather than having to be fixed stationarily in the docking station, which docking station...
US7045289 (B2), filed
May 24, 2001
, published
May 16, 2006
- THIRD WAVE TECH INC
The present invention provides novel cleavage agents and polymerases for the cleavage and modification of nucleic acid. The cleavage agents and polymerases find use, for example, for the detection and characterization of nucleic acid sequences and variations...
US7471698 (B2), filed
Apr 08, 2003
, published
Dec 30, 2008
- SPRINT COMMUNICATIONS CO
The present invention is an apparatus, system, and method for converting point codes in a signal transfer point in a telecommunications signaling system. The STP converts point codes which designate the origination and destination signaling points for the...
US4301507 (A), filed
Oct 30, 1979
, published
Nov 17, 1981
- PITNEY BOWES INC
An electronic postal meter has a control unit, an accounting unit and a printing unit, each incorporating a CPU having a separate crystal controlled clock. Communication between the units is serial character asynchronous, bit synchronous, in message form, with...
US6658568 (B1), filed
Oct 26, 1999
, published
Dec 02, 2003
- INTERTRUST TECH CORP
The present invention provides methods and systems for secure, automated transaction processing for use in electronic commerce and electronic rights and transaction management over an electronic network such as the Internet and/or over organization internal...
US4644564 (A), filed
Oct 15, 1985
, published
Feb 17, 1987
- IBM
A maximum-likelihood sequence decoder is used with a partial-response signaling system for processing sequences of sampled values from a communication channel or recording device. The partial-response signals can be duobinary, dicode, or partial-response...
US5946387 (A), filed
Feb 19, 1997
, published
Aug 31, 1999
- GENESYS TELECOMM LAB INC
A computerized telephony call center for serving a customer base has a central switch connected to a plurality of telephones at operator workstations and adapted to route calls to individual ones of the telephones, and also connected to a public switched...
US5821885 (A), filed
Jun 07, 1995
, published
Oct 13, 1998
- DISCOVISION ASS
An MPEG video decompression method and apparatus utilizing a plurality of stages interconnected by a two-wire interface arranged as a pipeline processing machine. Control tokens and DATA Tokens pass over the single two-wire interface for carrying both control...
US6532256 (B2), filed
Jun 27, 2001
, published
Mar 11, 2003
- RAINMAKER TECHNOLOGIES INC
Serial input data is partitioned into parallel data elements prior to rotation by an invertible linear mapping. The resulting frames of parallel signal elements are sequentially transmitted over the link. After receipt from the link, the signal is demodulated...
USRE36633 (E), filed
Nov 08, 1995
, published
Mar 28, 2000
- TELCORDIA TECH INC
A Residual Time Stamp (RTS) technique provides a method and apparatus for recovering the timing signal of a constant bit rate input service signal at the destination node of a synchronous ATM telecommunication network. At the source node, a free-running P-bit...
US5819034 (A), filed
Apr 28, 1994
, published
Oct 06, 1998
- THOMSON CONSUMER ELECTRONICS
A distributed computer system, as for transmitting and receiving executable multimedia applications, includes a source of a continuous data stream repetitively transfering data representing a distributed computing application and a client computer, receiving...
US6144711 (A), filed
Aug 27, 1997
, published
Nov 07, 2000
- CISCO SYSTEMS INC
A space-time signal processing system with advantageously reduced complexity. The system may take advantage of multiple transmitter antenna elements and/or multiple receiver antenna elements, or multiple polarizations of a single transmitter antenna element...
US5603081 (A), filed
Nov 01, 1993
, published
Feb 11, 1997
- ERICSSON TELEFON AB L M
A communications system in which information is transmitted in a plurality of time slots grouped into a plurality of superframes which are, in turn, grouped into a plurality of paging frames. A remote station receives paging messages once in each paging frame.
