3709results about "Safety arrangments" patented technology

A surgical instrument is disclosed, the instrument including: a handle assembly; a jaw assembly including a staple cartridge containing a plurality of staples and an anvil to form the plurality of staples upon firing; a lockout mechanism configured to prevent reuse of the jaw assembly; a drive assembly at least partially located within the handle and connected to the jaw assembly; a motor operatively coupled to the drive assembly; and a controller operatively coupled to the motor, the controller configured to control supply of electrical current to the motor and to monitor a current draw of the motor, wherein the controller is further configured to terminate the supply of electrical current to the motor in response to a drop in the current draw.

A medical robotic system includes a surgical instrument, a robotic arm assembly, an input device, and a processor. The surgical instrument has an end effector and a sensor for sensing a force exerted by the end effector, and is operatively mounted on the robotic arm assembly. The processor is configured to receive commanded movement of the end effector from the input device, receive information of the force from the sensor, determine a reduced velocity of the commanded movement that would inhibit damage causing motion of the end effector, and control robotic manipulation of the surgical instrument in response to the commanded movement of the end effector while restricting the velocity of the commanded movement to the reduced velocity.

A system and method of managing therapy provided to patients in an institution. The system monitors all aspects of the medication delivery to a patient, as well as other information related to the patient, such as values of vital signs, laboratory results and patient factors such as history, diagnosis, allergies and the like. The system includes one or more databases of information, including institutionally developed rules, guidelines and protocol representing the best medical practices of the institution. The system provides alerts and / or recommendations based on the application of the rules to the information being monitored, and alerts care givers accordingly, providing for dynamic adjustment of the patient's therapy. The system also monitors the status of the alerts, and if no action is taken in a selected period of time, may escalate the priority of the alert and / or halt the delivery of medication to the patient until the alert is resolved.

A process control system uses a data collection and distribution system and an asset utilization suite to collect data or information pertaining to the assets of a process plant from various sources or functional areas of the plant including, for example, the process control functional areas, the maintenance functional areas and the process performance monitoring functional areas. This data and information is manipulated in a coordinated manner by the data collection and distribution system and is redistributed to other applications where this it is used to perform overall better or more optimal control, maintenance and business activities. Information or data may be collected by maintenance functions pertaining to the health, variability, performance or utilization of a device, loop, unit, area, etc. and this information may then be sent to and displayed to a process operator or maintenance person to inform that person of a current or future problem. A user interface is provided that enables users to access and manipulate the expert engine to optimize plant operation or cause optimization of plant operation, to get information about the operation of the plant, etc. Furthermore, applications, such as work order generation applications may automatically generate work orders, parts or supplies orders, etc. based on events occurring within the plant.

The present invention provides a system and method for implementing logic control in programmable controllers in distributed control systems using a wired or wireless network. A software application is used to define the configuration of the network. Based on the network configuration, a compiler engine automatically assigns each statement of the control program to at least one programmable logic controller in the network. Each statement is then transmitted over a data transmission medium to the programmable logic controller assigned to the statement.

The present invention relates to a wireless home automation system having a controller for controlling a broad variety of functions via two ways communication with a plurality of devices. The controllers and devices of the system comprises means for generating a signal comprising a destination identifier, instructions related to the input / output of the destination or source device, and a repeater identifier. The devices according to the invention are adapted to act as input / output devices and signal repeating devices. The processors of each device comprises means for, upon reception of a signal, processing said information if the destination identifier corresponds to the device identifier of the device, and means for, upon reception of a signal, transmitting a second signal holding at least said destination identifier and said instruction if the repeater identifier corresponds to the device identifier of the device.

A method and system detects and diagnoses faults in heating, ventilating and air conditioning (HVAC) equipment. Internal state variables of the HVAC equipment are measured under external driving conditions. Expected internal state variables are predicted for the HVAC equipment operating under the external driving conditions using a locally weighted regression model. Features are determined of the HVAC based on differences between the measured and predicted state variables. The features are classified to determine a condition of the HVAC equipment.

A security network for use in a building with an opening to be monitored for possible intrusion. The network includes an intrusion sensor monitoring the opening; an RFID transponder associated with the sensor; an RFID reader in wireless communication with the transponder; and a portable telephone handset having first keys activating conventional telephone capability and second keys activating interaction with the other security network components. The handset wirelessly communicates with the reader. The reader may take the form of a security cradle for the handset. Alternatively, the reader may take the form of a telephone console. The console has keys enabling a user to dial remote telephone numbers; circuitry adapted to receive wireless communications from the transponder; circuitry in wireless communication with the handset; circuitry in communication with an external network; and a processor executing program code enabling the handset to communicate with the external network via the telephone console.

A method and apparatus for monitoring and maintenance of unattended robot liquid storage and dispensing sites, including a site controller and site monitor. The site monitor continuously appends text strings received from the site controller to HTML text log files and HTLM text report files and simultaneously compares the stored text strings representing site events to be monitored with evaluation messages. Each evaluation message is linked to an alert code, which in response to an evaluation message text string match initiates a particular set of responses, including sending notice of site failures and other remote site information to a home office via fax, pager and / or email. The site monitor also collects the information gathered from the site controller, the tank monitor, alarm system and any other site devices and stores the information in a one or more HTML text files, which information then takes the form of a web page with hypertext links to images related to the stored information.

An RFID transponder with an associated sensor used in a security network including at least one RFID reader that transmits signals at a first frequency. The transponder has a processor controlling its other components. Transmitter circuitry coupled to a transmit antenna transmits signals to the reader at a second frequency. A receive antenna receives signals in a frequency band that includes the first frequency. One or more RF diodes obtain the signal from the receive antenna and output a power envelope signal representing the power level of the signal obtained from the receive antenna. An amplifier coupled to the output of the RF diode amplifies the power envelope signal received from the RF diode. The processor receives the amplified power envelope signal and decodes any data that have been encoded using an on-off keyed modulation scheme applied to the signal obtained from the receive antenna.

A system and method of managing therapy provided to patients in an institution. The system monitors all aspects of the medication delivery to a patient, as well as other information related to the patient, such as values of vital signs, laboratory results and patient factors such as history, diagnosis, allergies and the like. The system includes one or more databases of information, including institutionally developed rules, guidelines and protocol representing the best medical practices of the institution. The system provides alerts and / or recommendations based on the application of the rules to the information being monitored, and alerts care givers accordingly, providing for dynamic adjustment of the patient's therapy. The system also monitors the status of the alerts, and if no action is taken in a selected period of time, may escalate the priority of the alert and / or halt the delivery of medication to the patient until the alert is resolved.

A system for characterizing malicious activity in an intelligent utility grid system includes a system storage in which to store a database including a plurality of rules. A collector is operable to collect and store in the system storage information-technology (IT) data including IT-related activity from the intelligent grid system. A complex event processing (CEP) bus is operable to receive non-IT data including location-specific event data from a plurality of electronic sources, the CEP bus further operable to disregard the non-IT data failing to meet a predetermined level of relevance to one of a plurality of risk-related events. A processor is operable to apply the plurality of rules to the relevant non-IT data to: associate an undesired event with reference to the IT-related activity; and determine a probability that the undesired event is indicative of malicious activity. The processor further applies a risk characterization to the undesired event based on the probability and the IT-related activity.

A surgical instrument is disclosed, the instrument including: a handle assembly; a jaw assembly including a staple cartridge containing a plurality of staples and an anvil to form the plurality of staples upon firing; a lockout mechanism configured to prevent reuse of the jaw assembly; a drive assembly at least partially located within the handle and connected to the jaw assembly; a motor operatively coupled to the drive assembly; and a controller operatively coupled to the motor, the controller configured to control supply of electrical current to the motor and to monitor a current draw of the motor, wherein the controller is further configured to terminate the supply of electrical current to the motor in response to a drop in the current draw.

A system and method for constructing a security system for a building using at least one RFID reader to communicate with at least one RFID transponder to provide the radio link between each of a number of openings and a controller capable of causing an alert in the event of an intrusion. The RFID transponder is connected to an intrusion sensor. The controller preferably communicates with the RFID reader using a power line communications protocol. The RFID transponder can contain a battery. The RFID reader contains means for transferring power to an RFID transponder for the purpose of charging any battery. The security system can contain more than one controller, whereby the RFID reader can communicate with more than one controller.

A system (830) and method (800) for diagnosing a malfunctioning machine. A fault event is selected (806) together with sequential operating parameter data (808) from a selectively focused time interval about the fault event for evaluation of a machine (810). The selectively focused time interval may include data occurring just before, just after, or spanning the fault event. Characterizing information such as slope, rate of change, and absolute sign of the data may be derived (809) from the operating parameter data over the selectively focused time interval and used in the diagnosis. The fault event and operating parameter data may be compared to existing cases in a case database (834). A set of rules (817) or candidate anomalies (841) may be executed over the operating parameter data to further improve the accuracy of the diagnosis.

Utility failures are automatically detected and potential causes for these failures are automatically located and identified without having to physically search a utility provider's network. Detection systems capable of monitoring utility status are located at each, or a subset, of the customer premises serviced by a utility provider. A monitoring system, capable of correlating the geographical location of the detection systems with the geographical location of the equipment that comprises the utility provider's network, is located at a utility provider and interconnects with the detection systems through a communications network. The monitoring system queries the detection systems to determine utility status and to subsequently locate an outage and deduce a possible cause for the outage. Detection systems can also be configured to automatically contact the monitoring system to report utility status. The monitoring system is also capable of sending customer based information messages to the detection systems.

A security network for use in a building with an opening to be monitored for possible intrusion. The network includes an intrusion sensor monitoring the opening; an RFID transponder associated with the sensor; an RFID reader in wireless communication with the transponder; and a portable telephone handset having first keys activating conventional telephone capability and second keys activating interaction with the other security network components. The handset wirelessly communicates with the reader. The reader may take the form of a security cradle for the handset. Alternatively, the reader may take the form of a telephone console. The console has keys enabling a user to dial remote telephone numbers; circuitry adapted to receive wireless communications from the transponder; circuitry in wireless communication with the handset; circuitry in communication with an external network; and a processor executing program code enabling the handset to communicate with the external network via the telephone console.

An integrated HVACR control and protection system includes a modular and reprogrammable design providing a plurality of possible combinations of power detection, voltage detection, run current detection, transient current detection, temperature detection, universal thermostat interface, peripheral or remote control, and local display and control. The control and protection system is capable of evaluating the relationship between real power used by an HVACR system compressor and other system operating parameters to detect problems early in the failure cycle, i.e., before a failure has progressed to requiring a system shutdown or causing damage to other components. Additionally, a control system and method provide sensorless detection of various HVACR system faults, such as, for example, loss of refrigerant or a refrigerant flow restriction, that impact the relationship between real power and current, voltage, temperature, or other operating parameters. Peripheral or remote control includes wired or wireless system monitoring and parameter programming using a personal digital assistant (PDA), for example utilizing IR communication between the PDA and the control and protection system.

A remote control system for a laundry appliance which includes a remote control device externally accessible via a communication network, the remote control device including a data base storing coping information used to cope with an abnormal condition occurring during operation of the laundry appliance, a laundry appliance control device connected via the communication network to the remote control device so as to transmit information about an abnormal condition via the communication network to the remote control device when the abnormal condition has occurred in the laundry appliance, and an analyzer for analyzing the coping information corresponding to the abnormal condition in the laundry appliance to infer a cause of the abnormal condition of the laundry appliance. When the analyzer analyzes a plurality of pieces of the analytic information, a higher priority is given to the analytic information corresponding to a cause of the abnormal condition with a larger number of times of occurrence.

Systems and methods for shut-down of a photovoltaic system. In one embodiment, a method implemented in a computer system includes: communicating, via a central controller, with a plurality of local management units (LMUs), each of the LMUs coupled to control a respective solar module; receiving, via the central controller, a shut-down signal from a user device (e.g., a hand-held device, a computer, or a wireless switch unit); and in response to receiving the shut-down signal, shutting down operation of the respective solar module for each of the LMUs.

A system for visually presenting data receives signal processing data generated signal processing data collection blocks corresponding to devices associated with a process plant. The signal processing data collection blocks may generate data such as statistical data, frequency analysis data, auto regression data, wavelets data, etc. The system displays an image representative of the devices and representative of a context of the devices within the process plant. Additionally, data based on signal processing data corresponding to one or more devices is displayed. For example, the signal processing data for the device could be displayed. As another example, data may be generated based on the signal processing data and this generated data may be displayed.

A valve actuator having an electric drive motor with a motor shaft and having an output shaft linked to the motor shaft to drive movement of a valve, the actuator further having a control system arranged to provide a first closed loop control of the actuator output shaft and including a controller coupled to a first position sensor to sense the position of the actuator output shaft, and to a second position sensor to sense the position of the motor shaft and to enable determination of the speed of the motor shaft, the control system being configured to respond to sensed signals from the first and second sensors and adjust the motor speed / position accordingly.

The present invention relates to a system and methodology for saving and restoring controller state and context in an industrial controller. In an aspect of the invention, the industrial controller has a memory module having at least RAM and flash memory. Savings of the state and context is accomplished through writing an image of the RAM to flash memory prior to the power being removed from the RAM. Restoring is accomplished through writing the RAM image in the flash memory back to the RAM after the RAM has been energized.

The present invention relates to a wireless home automation system having controllers for controlling a broad variety of functions via two-way communication with a plurality of devices. More specifically, the invention relates to sharing information related to the system between controllers, e.g. by updating a second controller with the newly learned information of a first controller, or by replicating a controller by making a second controller a complete copy of a first controller. The information can be shared by generating and transmitting, with a first controller, a list of device identifiers of devices controlled by the first controller to a second controller. The list is received by the second controller and stored in a memory of the second controller dedicated to store device identifiers of devices controlled by the second controller. This function proves advantageous when new controllers are introduced or if a controller is lost, worn out, or destroyed.

An architecture for an automation system is disclosed that includes look-up services, a soft-state store, and a publication / subscription eventing component. The look-up services maintain a database of a number of devices to be controlled and monitored, and a database of a number of device objects corresponding to the devices. The services can be divided into attribute-based and name-based services. The soft-state store manages variables regarding the devices and the device objects, including heartbeats. The eventing component enables subscriptions to events related to changes in the variables. The architecture can include management daemons, such as a monitoring daemon that detects problems with power line devices.