124638 results about "Control signal" patented technology

The present invention is generally directed to a system and method for monitoring and controlling a host of residential automation systems. The system is implemented by using a plurality of wireless communication devices configured to relay both data and command encoded signals through the wireless network of communication devices interposed between integrated sensors / actuators and a gateway device. In accordance with a preferred embodiment, the gateway translates the data encoded signals and embeds the information in a data packet using terminal control protocol / Internet protocol to communicate the data to a computing device on a wide area network. The computing device may comprise data collection and or control algorithms as desired. The computing device may forward command signals to the gateway device. In response thereto, the gateway may convert the command signals into appropriate command encoded signals for wireless transmission to a designated actuator integrated in a residential system. The present invention can also be viewed as providing a method for monitoring and controlling residential systems. In its broadest terms, the method can be described as: sensing a parameter; generating a wireless signal; traversing a wireless network to a gateway interconnected with a wide area network; communicating the parameter to a computing device on the network; generating a control signal; communicating the control signal to the gateway; converting the control signal; and broadcasting the control signal such that an appropriate actuator is energized.

The invention is a device for application in the sterile area for controlling an electric instrument provided in the non-sterile area, with the sterile area being separated from the non-sterile area substantially by a covering. The invention comprises at least one sensor responsive to the magnetic field which is provided in the non-sterile area and a unit generating a magnetic field is provided in the sterile area. The at least one sensor responsive to the magnetic field and the unit generating a magnetic field are separated from each other at least by the covering. The unit generating the magnetic field is disposed relative to the at least one sensor responsive to a magnetic field so that a variation of the magnetic field in space and / or time, which is induced by the unit generating the magnetic field, is detectable by the at least one sensor responsive to the magnetic field and a sensor signal can be generated. A controller unit is provided that generates a control signal for controlling the electric instrument in response to the sensor signal.

A motor control device selectively turns on or off a drive transistor in-accordance with a PWM control signal Sp, such that a drive current Im supplied to a motor is adjusted. The device also samples and holds a motor current Sm for obtaining a motor current value Ih. With reference to the motor current value Ih, the device protects the motor from an overcurrent. Sampling and holding of the motor current Sm is performed for a sampling and holding time Ts. The sampling and holding time Ts corresponds to a time period between a first point in time when the level of the PWM control signal Sp is switched for turning off the drive transistor and a second point in time that precedes the first point in time by a predetermined period. As a result, the motor current value Ih is detected with high accuracy.

A novel capture device apparatus comprising: (a) a capture device portion, at least a part of which is adaptable for insertion into a patient and (b) a control unit. The capture device portion comprises one or more apertures and one or more electroactive polymer actuators that open and close the one or more apertures based on control signals sent from the control unit. In another aspect of the present invention, a method of capturing a specimen within a patient's body of provided. The method comprises (a) providing a capture device apparatus like that above, (b) inserting at least a portion of the capture device portion of the apparatus into the patient such that the capture device portion is adjacent the specimen; and (c) closing the one or more apertures using the control unit, thereby capturing the specimen.

A process device providing total fluid flow control is provided. The device includes a closure mechanism disposed in a flow conduit. The closure mechanism, which is preferably an iris-type diaphragm, provides a variable internal diameter. The device includes a differential pressure sensor for sensing the differential pressure on opposite sides of the diaphragm. A controller receives an indication of differential pressure and generates a control signal to an actuator that actuates the closure mechanism. The closure mechanism, differential pressure sensor and controller create a closed-loop flow controller in a single process device.

The present disclosure relates to an electromechanical surgical system including a surgical instrument having a controller, and an end effector selectively and removably connectable to the surgical instrument, wherein the controller is configured to enter an emergency retraction mode when at least one input element of the surgical system is incapable of providing control signals to the controller to operate a motor, wherein the emergency retraction mode activates the motor to withdraw a drive assembly from any advanced position thereof.

A method of performing a medical procedure on a patient comprises conveying control signals from a remote controller to a drive unit, intravenously introducing the catheter into a heart of the patient (e.g., via the vena cava into the right atrium), and creating a puncture within a wall between two chambers (e.g., the left and right atria) of the heart. The method further comprises creating a puncture within a wall between two chambers of the heart, and operating the drive unit in accordance with the control signals to advance a working catheter within the guide catheter through the puncture.

A hyperdexterous surgical system is provided. The system can include one or more surgical arms coupleable to a fixture and configured to support one or more surgical tools. The system can include an electronic control system configured to communicate electronically with the one or more robotic surgical tools. The control system can electronically control the operation of the one or more surgical tools. The system can include one or more portable handheld controllers actuatable by a surgeon to communicate one or more control signals to the one or more surgical tools via the electronic control system to operate the one or more surgical tools. The one or more portable handheld controllers can provide said one or more control signals from a plurality of locations of an operating arena, allowing a surgeon to be mobile during a surgical procedure and to remotely operate the one or more surgical tools from different locations of the operating arena.

A navigation and control system including one or more position sensors configured to generate position signals indicative of the location and heading of a vehicle. The system includes one or more operation control mechanisms having inputs and producing outputs which control an operation of the vehicle and includes a self-contained autonomous controller disposed remote from the operation control mechanisms. The autonomous controller includes a processor configured to receive the position signals from the position sensors and to generate operation control signals defining an updated travel path for the vehicle, and a programmable interface providing communication among the position sensors, the operation control mechanisms, and the processor. The programmable interface is configured to normalize inputs to the processor from the position sensors and to generate compatible operation control signals applied as the inputs to the operation control mechanisms, whereby the self-contained autonomous controller is configurable for operation with a variety of different sensors and different operation control mechanisms.

A pile driving control apparatus for a pile driving system includes a hydraulic control system that controls a throttle of a pile driving hammer, and thereby controls an impact velocity of the hammer with a pile. A controller provides a control signal to the hydraulic control system. Based on the control signal, the hydraulic control system controls an impact velocity of the hammer during a subsequent hammer stroke. The controller may determine one or more control parameters such as sound pressure at a sound control location during a hammer stroke, vibration at a vibration control location during a hammer stroke, an impact force imparted to the pile during a hammer stroke, and / or actual pile capacity of the pile, and provide to the hydraulic control system a control signal based on the determined control parameter(s).

A wireless electronic-ink based display device for use in indoor and outdoor environments characterized by low and / or dynamic ambient lighting conditions. The wireless electronic-ink based display device has an ambient light level sensor for sensing ambient lighting conditions about the wireless electronic-ink based display device, and generating a drive control signal in response to sensed ambient lighting conditions. The wireless electronic-ink based display device also has an edge-lit LED-based illumination module, responsive to the drive control signal generated by the ambient light level sensor, for illuminating the display surface of its addressable electronic-ink display module during low-illumination ambient lighting conditions detected by the ambient light level sensor, under the control of a processor. In the illustrative embodiment, the processor runs a firmware routine which analyzes detected ambient light conditions made by the ambient light level sensor, and automatically generates the drive control signal provided to the edge-lit LED illumination module.

An H-bridge circuit is connected to a coil of the vibration motor that is to be driven. A comparator receives Hall signals indicating position information of a rotor of the vibration motor, and converts to an FG signal. A pulse width modulator generates a pulse-modulated pulse signal specifying energization time of the coil of the vibration motor. The pulse width modulator, in a first mode, after commencing start-up of the vibration motor, sets a duty ratio of the pulse signal to 100%, and after that, switches the duty ratio to a predetermined value in accordance with rotational frequency of the motor. In a second mode, the duty ratio of the pulse signal continues to be set to 100%. In a third mode, frequency and the duty ratio of the pulse signal are set based on a control signal of a pulse form inputted from outside. The control signal is used also in switching mode.

A system and method for displaying digital media files with compulsory advertisement files is disclosed. In one embodiment, the system includes a user interface, a media file decryptor, an ad manager, an intersplicer, and a media player. The user interface receives input from a user indicating the selection of media files to be presented. The media file decryptor receives and decrypts the selected media files. The ad manager receives and manages ad files from an ad file source. The intersplicer combines the media files with the ad files by providing control signals to the media player, causing the media player to present the ad files with the selected media files. Various embodiments of the invention facilitate the wide distribution of media content in a way that allows the free use of media properties, on demand, with direct consumer exchange capabilities, while at the same time enabling compensation to copyright holders.

An input device is disclosed. The input device includes a movable touch pad capable of detecting an object in close proximity thereto so as to generate a first control signal. The input device also includes a movement indicator capable of detecting the movements of the movable touch pad so as to generate one or more distinct second control signals. The control signals being used to perform actions in an electronic device operatively coupled to the input device.

The present invention is generally directed to a system for monitoring a variety of environmental and / or other conditions within a defined remotely located region. In accordance with one aspect of the invention, a system is configured to monitor utility meters in a defined area. The system is implemented by using a plurality of wireless transmitters, wherein each wireless transmitter is integrated into a sensor adapted to monitor a particular data input. The system also includes a plurality of transceivers that are dispersed throughout the region at defined locations. The system uses a local gateway to translate and transfer information from the transmitters to a dedicated computer on a network. The dedicated computer, collects, compiles, and stores the data for retrieval upon client demand across the network. The computer further includes means for evaluating the received information and identifying an appropriate control signal, the system further including means for applying the control signal at a designated actuator.

The present disclosure relates to an electromechanical surgical system and methods for use thereof including a surgical instrument having a controller, and an end effector selectively and removably connectable to the surgical instrument, wherein the controller enters an emergency retraction mode when at least one input element of the surgical system is incapable of providing control signals to the controller to operate a motor, wherein the emergency retraction mode activates the motor to withdraw a drive assembly from any advanced position thereof.

A system for delivering a fluid comprising cells to tissue of a patient includes a container holding an injection fluid and a powered drive. A sensor system provides a measurement indicative of at least shear forces on the cells to a control system. Based at least in part on this measurement, the control system is adapted to transmit a control signal to the powered drive for pressurizing the contents of the container to deposit cells within the tissue of a patient via a fluid path and a patient interface. As an example, the cells can be pregenitor or stem cells.

A LED driver circuit is disclosed that has the ability to drive a single series string of power LEDs. The LED driver circuit uses a single stage power converter to convert from a universal AC input to a regulated DC current. This single stage power converter current is controlled by a power factor correction unit. Furthermore, the LED driver circuit contains a galvanic isolation barrier that isolates an input, or primary, section from an output, or secondary, section. The LED driver circuit can also include a dimming function, a red, green, blue output function, and a control signal that indicates the LED current and is sent from the secondary to the primary side of the galvanic barrier.

A method and apparatus for communicating with and monitoring the operation of a device implanted within a patient. A transceiver capable of being implanted within a patient provides a communication interface between an implanted medical device and a monitor external to the patient's body. The external monitor can communicate with a remote monitoring center over a communication network. The external monitor also provides control signals to the implanted device via the transceiver unit. The transceiver apparatus is capable of two-way communication between the implanted device and the external monitor. The transceiver apparatus is also capable of detecting actions performed by the implanted device and physiological signals directly from the patient's body. Thus, the transceiver apparatus provides circuitry for determining whether an implanted medical device is operating properly. The transceiver apparatus provides a way to remotely reprogram one or more implanted medical devices.

Method and apparatus for providing calibration of analyte sensor including applying a control signal, detecting a measured response to the control signal, determining a variance in the detected measured response, and estimating a sensor sensitivity based on the variance in the detected measured response is provided

A load control system controls an electrical load provided in a space and comprises a load control device and one or more occupancy sensors. The load control device controls the load in response to the wireless control signals received from the occupancy sensors. Each occupancy sensor transmits an occupied control signal to the load control device in response to detecting an occupancy condition in the space and a vacant control signal to the load control device in response to detecting a vacancy condition. The load control device turns on the load in response to receiving the occupied control signal from at least one of the occupancy sensors, and turns off the load in response to receiving vacant control signals from both of the occupancy sensors. The load control device is operable to determine that no wireless control signals have been received from the occupancy sensors for the length of a predetermined timeout period and to subsequently turn off the load.

A control device for a medical system includes: an instructing unit, which can be instructed by an operator, for outputting an instructing signal according to the instruction by the operator; a control signal generating unit for receiving an instructing signal, and generating multiple control signals for controlling multiple medical apparatuses in accordance with the instructing signal; and multiple output units, which can be connected with a medical apparatus, for outputting control signals to the corresponding medical apparatus.

A novel network manager for use with a cable television system headend capable of monitoring and managing headend components and set top terminals in a television delivery system is described. The invention relates to methods and apparatus that manage and coordinate the reception of various programming and control signals at a headend. The invention manages and coordinates the storage of such signals for intelligent selection and distribution to set top terminals. The invention makes use of a receiver or set of receivers, a work station, a program control information processing component, a network management CPU, databases, control software and an instruction memory. The invention uses these components to manage and monitor certain headend components, such as signal reception equipment, an authorization component, a file server, MPEG decoders, a digital buffer with frame repeat and channel modulators. The invention is particularly useful in processing and responding to upstream information and subscriber communications received from set top terminals. In so doing, the invention accommodates various system services, including (1) near video on demand (NVOD), (2) virtual video on demand (VVOD), (3) video on demand (VOD), (4) interactive program services, (5) program suggestion features, (6) advertisement targeting, (7) generation of standard and custom menus, and (8) data spooling and text overlaying.

A solid-state image-sensing device that compensates for brightness at edges of a screen and a method of driving the device are provided. The solid-state image-sensing device comprises: an active pixel sensor (APS) array including pixels disposed in a two-dimensional matrix, each pixel for outputting a photoelectrically converted image signal generated by a photodiode in response to one of a plurality of transmission control signals transmitted to a selected row of the APS array, and for generating and outputting a reset signal in response to a reset control signal; a row driver for selecting a row of the APS array by generating row selection signals and for generating the reset control signal; an integration time control driver for generating the transmission control signals for setting non-uniform integration times of the photodiodes in each pixel; and an analog-digital converter for converting an analog signal corresponding to a difference between the image signal and the reset signal into a digital signal.

A touch pad system is disclosed. The system includes mapping the touch pad into native sensor coordinates. The system also includes producing native values of the native sensor coordinates when events occur on the touch pad. The system further includes filtering the native values of the native sensor coordinates based on the type of events that occur on the touch pad. The system additionally includes generating a control signal based on the native values of the native sensor coordinates when a desired event occurs on the touch pad.

A fluid infusion system as described herein includes a number of local “body network” devices, such as an infusion pump, a handheld monitor or controller, a physiological sensor, and a bedside or hospital monitor. The body network devices can be configured to support communication of status data, physiological information, alerts, control signals, and other information between one another. In addition, the body network devices can be configured to support networked communication of status data, physiological information, alerts, control signals, and other information between the body network devices and “external” devices, systems, or communication networks. The networked medical devices are configured to support a variety of wireless data communication protocols for efficient communication of data within the medical device network. In addition, the wireless medical devices may be configured to support a number of dynamically adjustable wireless data communication modes to react to current operating conditions, application-specific data content, or other criteria.

Provided are methods and systems for controlling the conversion of data inputs to a computer-based light system into lighting control signals. The methods and systems include facilities for controlling a nonlinear relationship between data inputs and lighting control signal ouputs. The nonlinear relationship may be programmed to account for varying responses of the viewer of a light source to different light source intensities.