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Patent # Description
US-6,992,989 Method for solving a mismatched negotiation problem between an auto-negotiation mode and an enforce mode
A method for solving a mismatched negotiation result between an auto-negotiation mode and an enforce mode in an Ethernet. The method is applied to a local device...
US-6,992,988 System and method for deadlock-free routing on arbitrary network topologies
A system and method for calculating a deadlock-free free set of paths in a network generates an ordered set of deadlock-free sub-topologies, referred to as...
US-6,992,987 Enumeration method for the link clock rate and the pixel/audio clock rate
An enumeration method for the link rate and a pixel/audio clock rate. The method can be performed by expressing the pixel/audio clock rate and the link rate with...
US-6,992,986 Integrated self-optimizing multi-parameter and multi-variable point to multipoint communication system
The invention provides a method and system for adaptive point to multipoint wireless communication. The wireless physical layer and the wireless...
US-6,992,985 Method and system for auto discovery of IP-based network elements
A system and method for discovering network elements are disclosed where each network element includes a multicast packet sender for issuing a multicast packet...
US-6,992,984 Credit-based adaptive flow control for multi-stage multi-dimensional switching architecture
The novel credit-based adaptive flow control method and system for multi-stage, multi-dimensional, data switching architecture. The method and system of the...
US-6,992,983 Bandwidth detection in a heterogeneous network with parallel and proxy modes
Effective bandwidth of a communication link is determined in a heterogeneous, packet switched network between a source and a destination, where effective...
US-6,992,982 Communication device and method
A device and method for controlling data unit communications between a sender and a receiver, and flexibly responding to a potential data loss event. Data to be...
US-6,992,981 Communication system and method capable of avoiding congestion in moving image data transmission
A communication system capable of avoiding congestion in transmission of moving image data, includes (1) at least one receiving terminal, (2) a moving image...
US-6,992,980 System and method for enabling a full flow control down to the sub-ports of a switch fabric
The invention permits an effective traffic flow control, down to all sub-ports, of a switch made of a N-port core switch fabric. Sub-ports concentrate traffic...
US-6,992,979 Maintaining information to optimize restorable dynamic routing with shared backup
A network element maintains failure information for a packet-based network and usage information for a backup path. Upon receipt of a new demand, with an...
US-6,992,978 Method and system for path protection in a communications network
A system and method for fast and reliable failure notification and accelerated switchover for path protection in a communications network having several...
US-6,992,977 Transmission apparatus and a method for transmitting data in a data transmission system
A transmission apparatus includes a reception line selecting unit, a communication confirming frame transmitting unit, a communication confirming table, and a...
US-6,992,976 Network for a reconfiguration after a step-by-step repair defects
The invention relates to a packet transmission network operating according to a packet switching method, comprising a plurality of network nodes coupled via at...
US-6,992,975 Multiple ring support within a single network element
A network element receives frames from multiple ring networks. Each ring network linked to the network element is supported by a designated support program. The...
US-6,992,974 System and method for providing fault tolerance in a network telephony system
A system and method for providing fault tolerance in a network telephony system. Signaling messages according to a signaling protocol, such as the SIP protocol,...
US-6,992,973 Transmitting apparatus, receiving apparatus, communication system, transmission method, reception method, and...
A transmitting apparatus, receiving apparatus, communication system, and a signal processing method for each apply a suitable modulation method and transmission...
US-6,992,972 Frequency division multiplexing system with selectable rate
An OFDM system uses a normal mode which has a symbol length T, a guard time TG and a set of N sub-carriers, which are orthogonal over the time T, and one or more...
US-6,992,971 ATM telecommunication method whereby the terminals transmit to a common station
The invention relates to an asynchronous transfer mode method of transmitting digital signals in which terminals (16, 18) send to the same station (20). Calls...
US-6,992,969 Optical pickup device with three adhesive parts on two parallel side faces of an optical component
In an optical pickup device, reliability of a holding structure for an optical component (a half mirror) with respect to a pair of mounting frames is intended to...
US-6,992,968 Optical head and disk unit
An optical head and a disk unit are provided, in which the height and the weight of the optical head are reduced to enable a disk unit of small size and high...
US-6,992,967 Holographic optical element and optical pick-up device using the same
An optical pick-up device uses a holographic optical element that includes a holographic optical element, formed by combining a birefringence medium and an...
US-6,992,966 Optical pickup device
An optical pickup device including a light source, an objective lens for converging a light beam emitted from the light source at a signal recording surface of...
US-6,992,965 Reading method and apparatus for a three-dimensional information carrier
A method and apparatus for reading in a three-dimensional information carrier are presented. The three-dimensional information carrier is formed with a plurality...
US-6,992,964 Information reproducing device and information reproducing method
There is provided an information reproducing device which outputs an equalization signal P by applying equalization processing to a signal detected from a...
US-6,992,963 Semiconductor integrated circuit, optical disk recording/playback apparatus using the same, and optical disk...
A semiconductor integrated circuit of this invention includes a synchronous detection circuit which is given a playback signal generated by reading both first...
US-6,992,962 Wobble signal detection circuit having a lowpass filter for detecting a wobble signal with reduced sampling noise
A wobble signal detection circuit is provided for an optical disk apparatus which detects a wobble signal by focusing a light beam into a spot on a pregroove on...
US-6,992,961 Optical disk apparatus which determines the type of optical disk
An optical disk apparatus capable of determining the type of a loaded optical disk. In accordance with an RF signal output from a pickup, an RF processing...
US-6,992,960 Recording apparatus and recording method
The amount of light reflected from a disk is detected, and it is determined according to the amount of reflected light whether the disk is a recordable disk or a...
US-6,992,959 Optical disk, method of reproducing and copying optical disk, and method of preventing illegal use of optical disk
In a DVD player, when data information in a DVD disk is played back, it is judged whether the data information is protected by a copyright or not on the basis of...
US-6,992,958 Phase-locked loop circuit for reproducing a channel clock
In PLL circuits for reproducing a channel clock in synchronism with data read from a disk-shaped recording medium driven for rotation, the frequency dividing...
US-6,992,957 Controller of data recorder
A controller of a data recorder that records data on a recording medium such that the occurrence of buffer underrun errors are prevented. Data encoded by an...
US-6,992,956 Disk reproducing apparatus for precisely determining a value of an address signal reproduced from the disk
A disk reproducing apparatus includes a variable gain amplifier (VCA) (32), and the VCA applies a radial push-pull signal including an address signal and an FCM...
US-6,992,955 Optical disc reproducing apparatus and tracking servo mechanism for an optical disc
At a timing when a spot M of a main beam enters a defective area N of an optical disc, the tracking servo control is stopped, and the position the spot M of the...
US-6,992,954 Method for determining DC level of AC signal and DC offset of the same
A method for determining a direct current (DC) level involved in an alternating current signal is provided. The alternating current signal is transmitted from an...
US-6,992,953 Tracking servo apparatus of optical information recording and reproducing apparatus
A tracking servo apparatus in which reflection light obtained when a laser beam is irradiated onto a recording surface of an optical disc is photoelectrically...
US-6,992,952 Wrist watch containing internal tag, radio watch, and antenna for wrist watch
The wrist watch with internal tag according to the present invention includes a watch case 12 which includes a ring shaped case 12a and a rear lid 12c, a drive...
US-6,992,951 Permanent seafloor seismic recording system utilizing micro electro-mechanical systems seismic sensors and...
Provided is a permanent seafloor seismic recording system utilizing Micro Electro-Mechanical Systems seismic sensors. The system includes and expandable...
US-6,992,950 Delay locked loop implementation in a synchronous dynamic random access memory
A clock applying circuit for a synchronous memory is comprised of a clock input for receiving a clock input signal, apparatus connected to the synchronous memory...
US-6,992,949 Method and circuit for controlling generation of column selection line signal
There are provided a method and circuit for controlling generation of a column selection line signal. The method includes determining whether a current mode is a...
US-6,992,948 Memory device having address generating circuit using phase adjustment by sampling divided clock to generate...
A semiconductor integrated circuit device is provided in which current consumption is reduced at the time a data access by consecutive addresses is performed to...
US-6,992,947 Dual-port SRAM in a programmable logic device
Methods and apparatus for a dual-port SRAM in a programmable logic device. One embodiment provides a programmable logic integrated circuit including a dual-port...
US-6,992,946 Semiconductor device with reduced current consumption in standby state
In order to reduce a gate-source leakage current in a standby state, the gate insulating film of one of transistors in each of inverters IV1 IV5 is made thick....
US-6,992,945 Fuse circuit
One fuse set is constituted of a plurality of fuse blocks. Each of the blocks includes a sub-fuse set constituted of fuse elements electrically programmable, and...
US-6,992,944 Semiconductor memory device with reduced power consumption for refresh operation
A semiconductor memory device includes a plurality of word decoders arranged in a plurality of columns, a plurality of word line selecting shift registers...
US-6,992,943 System and method for performing partial array self-refresh operation in a semiconductor memory device
Systems and methods for performing a PASR (partial array self-refresh) operation wherein a refresh operation for recharging stored data is performed on a portion...
US-6,992,942 Cell leakage monitoring circuit and monitoring method
A cell leakage monitor includes a circuit for comparing the node voltage of a pseudo-cell equivalent to a memory cell of a DRAM to a reference value to output a...
US-6,992,941 Semiconductor memory device
There is provided a semiconductor memory device capable of performing high-speed reading even when the current capability of memory cells and transistors for...
US-6,992,940 Semiconductor memory apparatus with variable contact connections, and a corresponding semiconductor apparatus
The invention relates to a semiconductor memory apparatus in which the connections of the connecting contacts can be varied. The invention also relates to a...
US-6,992,939 Method and apparatus for identifying short circuits in an integrated circuit device
The disclosed embodiments relate to a method and apparatus for identifying short circuits in an integrated circuit device. The method may comprise the acts of...
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