50758results about How to "Easy to detect" patented technology

A method of producing a diode drive current in an oximeter includes sensing at least a part of a current passing through the diode and converting the sensed current to a sensed voltage, inputting the sensed voltage to a feedback amplifier for stabilizing the current passing through the diode, and eliminating an offset voltage across inputs of the feedback amplifier. A pulse oximeter includes a diode for emitting light flashes, a feedback amplifier having inputs, a feedback capacitor, and an output, the feedback amplifier stabilizing a current passing through the diode, a nulling amplifier having inputs, a nulling capacitor, and an output, the nulling amplifier charging and discharging the feedback capacitor until the inputs of the feedback amplifier are at a same voltage. The operation may include synchronizing an elimination of input offset voltages of the feedback and nulling amplifiers with on or off state of diode current.

An integrated Silicon-OLED display and touch sensor panel is disclosed. The integrated Silicon-OLED display and touch sensor panel can include a Silicon substrate, an array of transistors, one or more metallization layers, one or more vias, an OLED stack, color filters, touch sensors, and additional components and circuitry. Additional components and circuitry can include an electrostatic discharge device, a light shielding, a switching matrix, one or more photodiodes, a near-infrared detector and near-infrared color filters. The integrated Silicon-OLED display and touch sensor panel can be further configured for near-field imaging, optically-assisted touch, and fingerprint detection. In some examples, a plurality of touch sensors and / or display pixels can be grouped into clusters, and the clusters can be coupled to a switching matrix for dynamic change of touch and / or display granularity.

A system and method for determining and predicting a patient's susceptibility to neurological dysfunction based on measured electrophysiological parameters employs a self-contained implantable device with depth electrodes implanted in desired locations in the patient's brain. The patient's neurological tissue is stimulated to determine excitability and refractoriness (or inhibition period) parameters, which are employed to identify susceptibility to abnormal neurological activity, particularly epileptic seizures.

Methods and systems for long term monitoring of one or more physiological parameters such as respiration, heart rate, body temperature, electrical heart activity, blood oxygenation, blood flow velocity, blood pressure, intracranial pressure, the presence of emboli in the blood stream and electrical brain activity are provided. Data is acquired non-invasively using ambulatory data acquisition techniques.

A method, electronic device and computer program product for real-time detection of malicious software (“malware”) are provided. In particular, execution of a suspicious software application attempting to execute on a user's device may be emulated in a virtual operating system environment in order to observe the behavior characteristics of the suspicious application. If after observing the behavior of the suspicious application in the virtual environment, it is determined that the application is malicious, the application may not be permitted to execute on the user's actual device. The suspicious application may be identified as malicious if an isolated data string of the application matches a “blacklisted” data string, a certain behavior of the application matches a behavior that is known to be malicious, and / or the overall behavior of the application is substantially the same or similar to a known family of malware.

A system and a method for detecting malicious content associated with an electronic message are described. An electronic message, such as an e-mail, a chat request, a torrent file or a text message is initially received. The electronic message can then be compared to known viruses using pattern or signature matching techniques. The electronic message is then transmitted to a virtual machine which executes the electronic message in an environment simulating the destination computing system of the electronic message. The virtual machine monitors execution of the electronic message to identify one or more malicious actions and classifies the electronic message accordingly. For example, message component execution is monitored for attempts to access system files, attempts to access user information, attempts to transmit system configuration data or attempts to transmit user information.

A reduced area imaging device is provided which utilizes selected charge integration periods. Various configurations of the imaging device are provided which locate the elements of the imagine device at desired locations. Regardless of the particular arrangement or configuration of the imaging device, selected charge integration periods are incorporated. The imaging device can be defined as a CMOS-CID device wherein a user may select an appropriate integration period in order to enhance the viewed image to a desired level of brightness. Particularly in fluorescence guided endoscopy and fluorescence assisted surgery, the ability to vary and select particular charge integration periods improves these processes.

A flow processing facility, which uses a set of artificial neurons for pattern recognition, such as a self-organizing map, in order to provide security and protection to a computer or computer system supports unified threat management based at least in part on patterns relevant to a variety of types of threats that relate to computer systems, including computer networks. Flow processing for switching, security, and other network applications, including a facility that processes a data flow to address patterns relevant to a variety of conditions are directed at internal network security, virtualization, and web connection security. A flow processing facility for inspecting payloads of network traffic packets detects security threats and intrusions across accessible layers of the IP-stack by applying content matching and behavioral anomaly detection techniques based on regular expression matching and self-organizing maps. Exposing threats and intrusions within packet payload at or near real-time rates enhances network security from both external and internal sources while ensuring security policy is rigorously applied to data and system resources. Intrusion Detection and Protection (IDP) is provided by a flow processing facility that processes a data flow to address patterns relevant to a variety of types of network and data integrity threats that relate to computer systems, including computer networks.

A drive unit being characterized in that a movable object can be prevented from being tilted when the movable object is stopped using a restricting member. The drive unit comprises a piezoelectric element, a rod provided at an end of the piezoelectric element, a movable object frictionally engaged with the rod, and drive pulse generating means that apply drive signals to the piezoelectric element. The drive pulse generating means apply to the piezoelectric element a rectangular wave drive signal that has a duty ratio other than 0.5 and vibrates the rod so that a difference occurs between the expansion and contraction of the rod when the movable object is moved, and apply to the piezoelectric element a rectangular wave drive signal that has a duty ratio of 0.5 and vibrates the rod so that the movable object is not moved substantially when it is detected that the movable object is in contact with a restricting member.

The present invention is directed to novel methods of synthesizing multiple copies of a target nucleic acid sequence which are autocatalytic (i.e., able to cycle automatically without the need to modify reaction conditions such as temperature, pH, or ionic strength and using the product of one cycle in the next one). In particular, the present invention discloses a method of nucleic acid amplification which is robust and efficient, while reducing the appearance of side-products. The method uses only one primer, the “priming oligonucleotide,” a promoter oligonucleotide modified to prevent polymerase extension from its 3′-terminus and, optionally, a means for terminating a primer extension reaction, to amplify RNA or DNA molecules in vitro, while reducing or substantially eliminating the formation of side-products. The method of the present invention minimizes or substantially eliminates the emergence of side-products, thus providing a high level of specificity. Furthermore, the appearance of side-products can complicate the analysis of the amplification reaction by various molecular detection techniques. The present invention minimizes or substantially eliminates this problem, thus providing an enhanced level of sensitivity.

Methods and compositions for digital profiling of nucleic acid sequences present in a sample are provided.

The present invention is directed to novel methods of synthesizing multiple copies of a target nucleic acid sequence which are autocatalytic (i.e., able to cycle automatically without the need to modify reaction conditions such as temperature, pH, or ionic strength and using the product of one cycle in the next one). In particular, the present invention discloses a method of nucleic acid amplification which is robust and efficient, while reducing the appearance of side-products. The method uses only one primer, the “priming oligonucleotide,” a promoter oligonucleotide modified to prevent polymerase extension from its 3′-terminus and, optionally, a means for terminating a primer extension reaction, to amplify RNA or DNA molecules in vitro, while reducing or substantially eliminating the formation of side-products. The method of the present invention minimizes or substantially eliminates the emergence of side-products, thus providing a high level of specificity. Furthermore, the appearance of side-products can complicate the analysis of the amplification reaction by various molecular detection techniques. The present invention minimizes or substantially eliminates this problem, thus providing an enhanced level of sensitivity.

Finger-worn user input devices and methods for operating same. In some embodiments, a device includes at least one rotatable section (112, 112′, 912) and an indication mechanism (116, 116a, 130, 516, 526, 616, 816, 826, 836, 1316, 1416, 1616, 2116, 2222, 2320, 2720, 3524) for indicating either a device use or a device state. In some embodiments, a device includes a stationary section (114), at least one rotatable section (112, 912) and an indication mechanism. In some embodiments, one or more rotatable sections are tiltable. In some embodiments, a device further includes one or more mechanisms selected from mechanisms used for sensing (118, 128, 128a, 134, 136, 1216), communication (140), power generation (616, 3342), light generation (526), vibration generation (516), reflection (816, 826, 836), illumination (3616), projection (3420), physical feedback (340) and magnetic influence (736).

Method for transmitting data from infrastructure to vehicles includes arranging a transmitter apart from the vehicles, providing information relating to operation of at least one vehicle or of an occupant of a vehicle to the transmitter, transmitting the information from the transmitter to the at least one vehicle, and receiving the transmitted information at the at least one vehicle. Transmitters may be arranged on a roadway on which the vehicles travel, at a gas station or other vehicle-accessible commercial or public location such as a mall, at the vehicle operator's home and on a road sign, basically anywhere in range of a traveling vehicle. The information to be transmitted to the vehicle may be prioritized and transmitted via the transmitter based on the prioritization.

A system and method for the wearable mini-size intelligent healthcare system, comprising one or multiple vital signal sensors, activity sensors, a real-time detection and analyzing module for continuous health monitoring, adjustable user setting mode with the adaptive optimization, data-collecting capability to record important health information, smart audio outputs of audio beep and speech advice to the user through audio path and audio interface, preset and user confirmable alarm conditions via wireless communications network to the appropriate individual for prompt and necessary assistance. The system uses noninvasive monitoring technology for continuous, painless and bloodless health state monitoring. The system also works through the short range RF link with carry-on PDA or cell phone for displaying health information, making urgent contact to support center, doctor or individual, or for information transmission with a healthcare center.

Methods, systems, and kits for extracorporeally circulating and processing blood are described. The systems include a pump, a processing unit, and blood drawn return lines for accessing a patient's vasculature. Blood flow through the return line is measured and pump speed controlled to maintain a desired blood flow rate. Alarm conditions can be initiated when expected pump performance differs from that needed to maintain the control point flow rate. By using a ultrasonic flow detector, gas bubbles in the blood flow can be detected.

A system providing methodologies for automatically detecting when a computing device is plugged into a new network is described. The system includes methods for detecting a connection to a new network by receiving notice of, and evaluating, changes to an existing network configuration. The system profiles and generates an identity for the new network. This includes collecting information about the network to uniquely identify it and generating a unique identifier for the network. Once a network has been profiled, a user may decide whether or not to include it as part of a trusted zone. Alternatively, this decision may be guided by policy established by a system administrator or user. The system automatically reconfigures a firewall to include or exclude the network from the trusted zone based upon this decision. The profile of each network is stored so that the next time the device is connected to the same network it remembers the network and applies the same security settings previously adopted. The stored profile also facilitates the detection of changes to the network configuration or the connection to a new network.

A device for monitoring heart rate and blood oxygen levels using improved pulse oximetry sensors. Pulse oximetry sensors function in either transmission mode or reflectance mode. The device of the present invention provides improved sensors functioning in transmission mode to be useful on anatomical structures with dense tissue, such as the wrist. Additionally, a combination of sensors are used to enhance the performance of monitoring devices using pulse oximetry technology. By combining sensors that function in transmission mode and reflectance mode, quality and accuracy of the monitoring device is enhanced. The data from the sensors are communicated with a microcontroller for analyzing the data. More accurate data collection translates to more accurate analysis using formulas or algorithms. The resulting analysis is conveyed to the user through a display, either digitally or in color.

According to one embodiment of the invention, a method for automatically generating software code operable to detect a defined signature in network traffic comprises providing an inspector shell, generating a plurality of parameter name-value associations from provided configuration data, and automatically generating, by computer, an instance of the inspector shell having a signature defined by the parameter name-value associations.

Methods and apparatus for controlling a plasma used for materials processing feature cooperative action of a resonant circuit and a switch unit coupled to a plasma vessel and a power supply. A sensor for acquiring a signal associated with a state of a plasma in the plasma vessel supports closed-loop control of the switch unit. Undesirable plasma states detected by the sensor can be eliminated by closing the switch unit to shunt the resonant circuit.

A display panel is provided having a capacitive touch panel over a display region, wherein the capacitive touch panel comprises a plurality of X electrodes and a plurality of Y electrodes formed with an insulating layer there between and in a manner to cross each other, each of the X electrodes and the Y electrodes is formed such that a pad portion and a narrow line portion are alternately placed in a direction of extension, and when viewed from top, the pad portion of the X electrode and the pad portion of the Y electrode are placed to not overlap each other and a dummy electrode which is in a floating relationship with the X electrode and the Y electrode is formed between the pad portion of the X electrode and the pad portion of the Y electrode.

A noninvasive or minimally invasive procedure and system for measuring blood glucose levels is disclosed. A set of photodiodes detects the fluorescence and reflectance of light energy emitted from one or more emitters, such as LEDs, into a patient's skin. In an embodiment, small molecule metabolite reporters (SMMRs) that bind to glucose are introduced to the measurement area to provide more easily detected fluorescence.

Chips that include one or more particle manipulation mechanisms, or force transduction elements, provided at specific locations to manipulate and localize particles proximal the substrate surface. In one embodiment, individually addressable magnetic control mechanisms such as electric coils are provided at specific locations to create a magnetic field to attract magnetic particles, such a magnetic or magnetizable beads, to those specific locations. In another embodiment, electrostatic control mechanisms such as electrodes are provided to attract and manipulate electrically charged micro-particles. A location may include a crater or well formed in the substrate, or it may include an element on the surface of the substrate. In some embodiments, one or more sensors are located proximal specific locations, e.g. specific craters, so as to analyze specific conditions at each location. In other embodiments, multiple locations share one or more sensors.

In a technique for collecting and analyzing physiological signals to detect sleep apnea, a small light-weight physiological monitoring system, affixed to a patient's forehead, detects and records the pulse, oximetry, snoring sounds, and head position of a patient to detect a respiratory event, such as sleep apnea. The physiological monitoring system may contain several sensors including a pulse oximeter to detect oximetry and pulse rate, a microphone to detect snoring sounds, and a position sensor to detect head position. The physiological monitoring system also can contain a memory to store or record the signals monitored by the mentioned sensors and a power source. The physiological monitoring system may be held in place by a single elastic strap, thereby enabling a patient to use the system without the assistance of trained technicians.

A communication device has a first communication section that supports a first communication mode having a low communication rate and a second communication section that supports a second communication mode having a higher communication rate than the first communication mode. The communication device includes a packet generation section and a communication control section. The packet generation section generates a first portion containing authentication information used for connection authentication for the second communication mode and a second portion other than the first portion. The communication control section performs control to cause the first communication section to transmit the first portion and to cause the second communication section to transmit the second portion after the connection authentication succeeds using the authentication information contained in the first portion.

A plurality of data packets encoded according to a first protocol are received which encapsulate data encoded according to a second protocol. A first source address is extracted from the packets according to the first protocol, it is determined whether or not the first source address is a substantial duplicate of a known assigned address. If it is a duplicate, a second source address is extracted from the encapsulated data according to the second protocol, and the first source address and said second source address are provided in an enhanced error log so that a system administrator may correct the duplicate assigned address. Enhanced embodiments of the invention included analysis of data encapsulated by a third, fourth and subsequent protocols, and automatic determination of each protocol encoding format.

The invention relates to methods and devices for remote or distributed continuous monitoring of physiologically relevant states. The invention provides for methods to automatically detect deviations or other states in physiological parameters and automatically alert a measured subject, user or other authorized party. The device provides for a universal platform for sensors, and further provides for the automatic compensation or distribution of devices or bioactive agents at appropriate levels and / or intervals in response to deviations or other states sensed in various physiological parameters.