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214 results about "Time marker" patented technology

System, method, and program for providing data consistency for a user specified cut-off time

Disclosed is a system for maintaining consistency of data across storage devices. A cut-off time value is provided to the system. The system then obtains information on data writes to a first storage device, including information on time stamp values associated with the data writes indicating an order of the data writes to the first storage device. At least one group of data writes having time stamp values earlier in time than the cut-off time value is then formed. The system then transfers the data writes in the groups to a second storage device for storage therein.
Owner:IBM CORP

Personal Fatigue Risk Management System And Method

A system and method for personal fatigue risk management, performed using a smartwatch including a digital processor, associated memory, and an accelerometer for measuring acceleration in X,Y, and Z axes. A signal is received from the accelerometer indicating a movement of the smartwatch, and the value of the signal is stored in association with indicia of the time at which the signal was received in a time-stamped bin. The stored movement values are analyzed using a state algorithm to determine sleep, wake, and off-wrist state values. Fatigue risk values are determined from the sleep and wake state values, using a state algorithm. The probable relative risk of errors and incidents as compared to average risk, for the wearer of the watch, are then calculated. A warning is issued when the fatigue risk data indicates that one of the thresholds has been exceeded.
Owner:MOORE EDE MARTIN CHRISTOPHER

RFID systems and methods of operating the same in power-saving modes

A method of operating an RFID system and an RFID system in a power-saving mode are disclosed. In one embodiment, the system comprises at least one reader and at least one tag. The at least one reader may transmit a wake-up signal to the at least one tag when turning on, and the at least one tag stays alternatively in a sniff mode and a sleep mode at an alternative period before receiving the wake-up signal. The method may comprise modulating the wake-up signal by using N time markers.
Owner:MARK IV INDS +1

Wireless signal system for preventing rapid trains from tailgating

ActiveCN102358333APrevention of rear-end collisions with trains aheadTransmissionRailway signalling and safetyWireless transceiverTransceiver
The invention discloses a wireless signal system for preventing rapid trains from tailgating. A vehicle-mounted subsystem of the wireless signal system is internally provided with two train signal wireless transceiving devices, namely a maneuvering desk wireless transceiver and a tailstock wireless transceiver; the tailstock wireless transceiver is used for sending local train encrypted response information and local train basic marker data to a rearward train in real time; and the maneuvering desk wireless transceiver is used for detecting and receiving the encrypted response information sent out by the tailstock wireless transceiver of a forward train of a same direction and a same station track in real time, performing interactive recognition on the received encrypted response information and the local train encrypted response information, sending out the local train encrypted response information to the forward train, sending signals on the received encrypted response information to a local train control computer used for sending out an instruction on deceleration or braking, and receiving the basic marker data emitted by the tailstock wireless transceiver of the forward train, and the local train control computer is used for processing GPS (Global Position System) positioning information differential value of synchronous time-markers of two trains and calculating a distance between the forward train and the rearward train, so that the speed of the local train is controlled.
Owner:郭建国 +1

System for determining position over a network

A system to determine position, frequency and clock offsets over a network utilizing signals of opportunity transmitted by one or more transmitters with known locations, the system includes a base receiver with a clock and a known position that determines ranges to the transmitters, takes a series of samples of the signals of opportunity and time tags the series with times of receipt, calculated times of transmission based on the calculated ranges, or both. The base receiver transmits the time tagged series and, as appropriate, computed ranges to the remote receivers. A given remote receiver saves and time tags samples of the signals of opportunity, correlates the time-tagged series with the saved samples, and calculates a time offset as a time difference of the times of receipt at the remote receiver and either the time of receipt at the base receiver or the time of transmission calculated at the base receiver. The remote receiver calculates position based on the time offsets, and as appropriate, the ranges provided by the base receiver. The elevations of the remote receivers may be calculated as part of the position calculations, determined iteratively based on constraining the Z coordinate to an average elevation, or determined from differences in air pressure sensor readings at the base and remoter receivers.
Owner:NOVATEL INC

Graphic display system for assisting vehicle operators

A system for converting audible air traffic control instructions for pilots operating from an air facility to textual format. The system may comprise a processor connected to a jack of the standard pilot headset and a separate portable display screen connected to the processor. The processor may have a language converting functionality which can recognize traffic control nomenclature and display messages accordingly. Displayed text may be limited to information intended for a specific aircraft. The display may show hazardous discrepancies between authorized altitudes and headings and actual altitudes and headings. The display may be capable of correction by the user, and may utilize Global Positioning System (GPS) to obtain appropriate corrections. The system may date and time stamp communications and hold the same in memory. The system may have computer style user functions such as scrollability and operating prompts.
Owner:PRUS ROBERT S +1

Validity test adaptive constraint modification for cardiac data used for detection of state changes

Methods, systems, and apparatus for quantifying the quality of a fiducial time marker for a candidate heart beat, quantifying the quality of a candidate heart beat, or determining a time of beat sequence of the patient's heart. A fiducial time marker is obtained for a candidate heart beat. A quality index of said candidate heart beat is set to a first value. The candidate heart beat is tested with at least one beat validity test. At least a second value is added to said quality index of said candidate heart beat if said candidate heart beat passes said at least one beat validity test. The candidate heart beat is tested with at least a second heart beat validity test. At least a third value is added to said quality index of said candidate heart beat if said candidate heart beat passes said at least second heart beat validity test. In one class of beat validity test, a constraint defining a pass is modified at one or more times after the most recent prior valid heart beat that is greater than a constraint modification time threshold
Owner:CYBERONICS INC
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