System and method for constructing transactions from electronic content
Granted: July 19, 2011
Patent Number:
7984187
A system and method for constructing transactions by requesting content from content providers, such as web sites, according to automatically generated content references. From that content and according to user-defined rules, the system can generate other content references, and request and access further content. Statistics can be maintained for each content access. The system and method can be used to test electronic networks, such as wireless communications networks.
Wireless “whooper” system for consolidating wireless communication access points and client stations and providing differentiated wireless services
Granted: July 5, 2011
Patent Number:
7974248
A Wireless Whooper system for use in wireless networks is provided with a collection of wireless client stations arranged to transmit and receive wireless streams of information, and wireless Access Points (APs) arranged to wirelessly link with the wireless client stations, each supporting a group of wireless client stations; and a supervisory processing unit (SPU) arranged to monitor and dynamically switch between available wireless APs, forward and transmit streams of information…
Apparatus and method for flattening gain profile of an optical amplifier
Granted: June 28, 2011
Patent Number:
7969647
A change in loading conditions of fiber amplifiers in an optical communications network causes rapid variations in the gain profile of the amplifiers due to spectral hole burning and stimulated Raman scattering. An apparatus for reducing such gain profile variations is described which monitors optical signal perturbations and reacts by adjusting pump powers of the amplifiers and, or fast variable optical attenuator according to a pre-determined function stored in the form of constants in…
Multi-electrode light emitting device
Granted: June 14, 2011
Patent Number:
7960743
The invention relates to a broad-band light emitting diode having an active layer composed of a plurality of light emission regions of differing materials for emitting light at a plurality of wavelengths, wherein each of the emission regions of the active layer is electrically controlled by a separate electrode for providing a broad-band emission or optical gain with a multi-point control of its spectral profile.
Substrate holder assembly device
Granted: June 7, 2011
Patent Number:
7954219
A device for mounting and removing a substrate from a baseplate, in particular a substrate holder assembly device, including automated features for latching and unlatching a substrate, for use in a coating mechanism, from a baseplate, which includes an adjustable snap ring holder.
Three-dimensional orientation of grated flakes
Granted: June 7, 2011
Patent Number:
7955695
The invention relates to a coating on a surface, including a carrier and a plurality of flakes dispersed therein. The flakes are oriented quasi-normally to the surface and have grooves extending quasi-parallel to the surface, wherein the plurality of flakes forms at least 50% of all grated flakes in the coating. The invention also relates to a method of aligning the flakes using external fields of different orientations.
Method and device for monitoring light
Granted: June 7, 2011
Patent Number:
7957438
A method for monitoring laser light launched into a core of a single mode fiber includes launching a portion of light directly into the cladding about the core. The cladding launched light is a known fraction of the core launched light and can be monitored by placing a detector about the cladding. Detected light including light that was launched into the cladding and has leaked through the cladding is used as a known fraction of light in the core and can be used to control the laser…
Recreating errors in a network device
Granted: June 7, 2011
Patent Number:
7958403
Recreating errors in a network device. In one embodiment, a method for recreating an error condition in a network device includes capturing a first set of commands sent to a network device; identifying an error condition in the network device, the error condition corresponding to the captured first set of commands; and sending a second set of commands to the network device in a second attempt to recreate the error condition. The second set of commands includes the first set of commands…
Monitoring an RTP data stream based on a phone call
Granted: May 31, 2011
Patent Number:
7953841
The communication apparatus includes a VoIP phone, a VoIP gateway, a communication network, and a network analyzer. The VoIP phone is a transmitting/receiving device to transmit and receive a VoIP phone call. A plurality of VoIP phone calls are transmitted and received over the communication network via the VoIP gateway. The network analyzer analyzes and monitors the plurality of VoIP phone calls transmitted and received over the communication network. Accordingly, a respective VoIP…
Systems and methods for time based sorting and display of captured data events in a multi-protocol communications system
Granted: May 31, 2011
Patent Number:
7954109
Systems, device and methods are provided for displaying time sorted data events captured in a multi-protocol communications system. Initially, data events are captured in connection with detection of one or more trigger conditions, and each captured data event includes a clock timestamp. The captured data events are then sorted and displayed by a graphical user interface according to their respective clock timestamp. Once the data events have been sorted and displayed, then the temporal…
Biaxial MEMS mirror with hidden hinge
Granted: May 31, 2011
Patent Number:
7952778
A multi-layer hidden hinge and actuator design for high fill factor biaxial MEMS mirror array for wavelength selective switches (WSS) based on a silicon-on-insulator (SOI) process with wafer bonding and coarsely aligned orthogonal vertical comb and/or parallel plate actuator. Each micro-mirror in the MEMS linear piano micro-mirror array comprises a micro-mirror layer, a hinge layer and an electrode/substrate layer. Preferably, the roll and tilt electrodes are substantially disposed along…
Scanning spectrometer with multiple photodetectors
Granted: May 31, 2011
Patent Number:
7952695
A scanning optical spectrometer with a detector array is disclosed, in which position of focused spot of light at the input of a dispersive element such as arrayed waveguide grating (AWG) with a slab input, is scanned using a micro-electro-mechanical (MEMS) tiltable micromirror so as to make the dispersed spectrum of light scan over the detector array coupled to the AWG. Sub-spectra recorded using individual detectors are concatenated by a processor unit to obtain the spectrum of input…
Photodiode with high ESD threshold
Granted: May 24, 2011
Patent Number:
7948006
A photodetector with an improved electrostatic discharge damage threshold is disclosed, suitable for applications in telecommunication systems operating at elevated data rates. The photodetector may be a PIN or an APD fabricated in the InP compound semiconductor system. The increased ESD damage threshold is achieved by reducing the ESD induced current density in the photodetector by a suitable widening of the contact at a critical location, increasing the series resistance and promoting…
Creating a low bandwidth channel within a high bandwidth packet stream
Granted: May 24, 2011
Patent Number:
7948974
Creating a low-bandwidth channel in a high-bandwidth channel. By taking advantage of extra bandwidth in a high-bandwidth channel, a low-bandwidth channel is created by inserting extra packets. When an inter-packet gap of the proper duration is detected, the extra packet is inserted and any incoming packets on the high-bandwidth channel are stored in an elastic buffer. Observing inter-packet gaps, minimal latency is introduced in the high-bandwidth channel when there is no extra packet in…
Caller identification billing
Granted: May 24, 2011
Patent Number:
7949112
A method for attributing costs for a telephone call in an SS7 network. Information associated with the telephone call is captured and retained when the telephone call is provided to a call recipient by a second carrier that is a UNE-P lessee of a first carrier. The captured information is stored when including a CNAM query. The CNAM query is associated with the second carrier and reflected in an updated record containing the total volume of CNAM queries handled by the first carrier for…
Real time monitoring of TCP flows
Granted: May 17, 2011
Patent Number:
7945661
A method for real time monitoring of at least one TCP flow involves monitoring TCP packets flowing past a particular point in a TCP network. A flow trace including at least source and destination addresses for each TCP packet is determined and a packet record for each monitored TCP packet within a determined flow trace is created. Each of the packet records includes at least a transmitted order number and an actual received sequence number, from which an expected received sequence number…
Apparatus for orienting magnetic flakes
Granted: May 3, 2011
Patent Number:
7934451
A printing apparatus includes a magnetic rotatable roller with a smooth even outer surface for aligning magnetic flakes in a carrier, such as an ink vehicle or a paint vehicle to create optically variable images in a high-speed, linear printing operation. Images can provide security features on high-value documents, such as bank notes. Magnetic flakes in the ink are aligned using magnetic portions of the roller, that can be formed by permanent magnets embedded in a non-magnetic roller…
Protocol cross-port analysis
Granted: May 3, 2011
Patent Number:
7936688
A cross-port analysis method is provided to analyze multichannel traces in a network. More particularly, cross-port analysis is a method allowing for aggregate network analysis capabilities from a multi-channel analyzer. This can be performed as traces of network traffic generated by each port on two or more analyzers. Precise timestamps are recorded for each trace and the topology of devices on the network is determined. An expert analysis is then performed on the captured data traces.
System and method for video quality measurement based on packet metric and image metric
Granted: May 3, 2011
Patent Number:
7936916
A video quality measurement (VQM) system for a video stream includes a neural network VQM module having a constructed architecture to calculate a video quality metric based on a hybrid of image metric and packet metric of the video stream. An image metric measuring module receives the video stream and calculates the image metric of the video stream. A packet metric measuring module obtains information about packet-level characteristics of the video stream to calculate the packet metric.…
Analysis of VoIP data using incomplete call information
Granted: April 26, 2011
Patent Number:
7933263
A method for determining the existence of calls in a VoIP system is disclosed. The present method enables calls that escape detection under known methods to be captured and analyzed, thereby improving the operation of a monitoring component that incorporates the principles disclosed herein. In one embodiment, an undetermined user datagram protocol (“UDP”) data packet is captured. Analysis of the UDP packet is conducted to determine whether the packet conforms to real-time transfer…
