3com Corporation

Edesix Limited

Genband US LLC

Robin Anthony Iddon

Richard McBride

Mark Duffy

Stuart James Boutell

Hamish Donald Stuart Martin

Mark A Pearce

Alastair Hugh Chisholm

Jonathan Tams

John Briggs

Christopher Geoffrey Paulson-Ellis

Aruna Thirumalai

Chris Cook

Ronnie Brown

Eric Schott

Douglas Walker

Ephraim Ezekiel

Peter F Palmer

The invention relates to a method of monitoring video from a plurality of body mounted video capturing devices, the method comprising: receiving video data from a first body mounted video capturing device of the said plurality; propagating video data received from the said first body mounted video capturing device, or video data derived therefrom, to a closed circuit television (CCTV) monitoring system by way of an input channel thereof; subsequently receiving video data from a second body mounted video capturing device of the said plurality different from the said first body mounted video capturing device; and propagating video data received from the said second body mounted video capturing device, or video data derived therefrom, to the said CCTV monitoring system by way of the same said input channel thereof.

Method of monitoring video

A body-mountable image capture device comprising a device body and a cover slidably mounted onto the device body, the device body comprising a camera, the cover sliding between a first position and a second position such that in the first position the camera is concealed and in the second position the camera is exposed. The body-mountable image capture device comprises activation means operable to initiate the camera when the cover is in the second position and the camera is exposed. The orientation of the camera is adjustable with respect to that of the device body such that the orientation of the camera can be maintained. The orientation of the camera may be automatically adjusted to keep the field of view generally horizontal. The camera may automatically rotate left and right in a horizontal plane responsive to movement of a head mounted sensor to thereby track a user's head movements.

Image recording apparatus with slidable concealing cover

A synchronization scheme is provided that includes querying a managed device to obtain an initial device state, synchronizing the device state in a plurality of management processes, detecting a change in the initial device state, and maintaining a synchronized current device state between the managed device and the plurality of management processes.

Methods, systems, and computer readable media for synchronizing device state

Methods and apparatus for collecting, storing, processing and using data, such a RMON2 network traffic data, are described. Network traffic probes are identified and attempts are made to configure the identified probes to generate network traffic data sets which are as close to a preselected common data format as possible. Application layer traffic data is collected in addition to network layer traffic data when possible. In an RMON2 embodiment, the common data format includes the use of delta count values as opposed to absolute count values. The common data format of the present invention utilizes terminal count mode format as opposed to all count mode format for the presentation of RMON2 application layer information. To minimize the amount of data processing required to put a probe's network traffic data into the desired common format and to maximize the amount of information collected, network data is obtained from a probe using one of the available RMON2 table formats. In order to avoid various problems with known data aging processes used to limit the growth of network traffic databases, a database of collected network traffic information which includes multiple parallel sets of data stored at different resolutions is created and maintained. The data sets for each individual resolution are stored in a separate FIFO data structure and with the oldest data records in the FIFO being overwritten when allocated data space becomes fully utilized.

Methods and apparatus for collecting, storing, processing and using network traffic data

A high impedance tap for monitoring traffic over a communication link of a fast Ethernet local area network (LAN). The circuit of the present invention is advantageously used for tapping into a fast Ethernet communication link (e.g., bi-directional communication channel) of a LAN using, for instance, {fraction (10/100)} BaseT Ethernet communication protocol. The novel circuit is particularly useful in point to point communication links (e.g., supporting fast Ethernet communication) where two communication nodes are coupled together using a bi-directional communication link (e.g., two twisted pair cables). Unlike the prior art monitoring probes, the probe of the present invention does not insert itself in series between the communication link, but rather taps onto the communication link in parallel using a high impedance termination circuit thereby leaving the existing communication link undisturbed electrically. By leaving the communication link undisturbed electrically, the probe of the present invention does not introduce latency into the communication link nor does it interrupt the communication link for any reason (e.g., during auto-negotiation sessions or on power down, power interruption, etc.). The high impedance value selected for the present invention is approximately one order of magnitude greater than the individual termination impedance of the communication nodes. The particular termination circuit used can employ a parallel coupled resistor with optional capacitors coupled to each wire of a twisted pair cable. The probe can be attached to a number of different statistics gathering systems (e.g., of the RMOD and RMOD2 standard) or various types of traffic accounting systems.

High impedance probe for monitoring fast ethernet LAN links

Disclosed are a method and apparatus for collecting network data from a computer network. Control structures are created for groups of data to be collected. The control structures are then associated with corresponding tables for storing the data. Different control structures and extract functions are defined depending upon which data is to be collected, and the form in which the data is to be presented. These control structures and extract functions are then employed to avoid redundant data gathering efforts.

Network data collection method and apparatus

Growing community of inventors

Edinburgh, United Kingdom

Robin Anthony Iddon