Matches 1 - 50 out of 194 1 2 3 4 >


Match Document Document Title
8912920 Switchable low threshold current power supply  
A device connectable to a power line conductor includes an electrically conductive insulated first winding of wire wound into at least two turns having a first and a second end. The first end is...
8737453 Contactless communication device, contactless IC card, and mobile information terminal  
There is included a detection unit for detecting a magnitude of a surplus of a direct current to a source voltage generated by a voltage generation unit generating the source voltage from the...
8663105 Ingestible devices for measuring physiological parameters  
An ingestible apparatus produces and processes physiological signals representative of a physiological parameter. The apparatus measures the physiological parameter from within the body of a...
8552849 System and method for power supply testing  
In one embodiment, a method of verifying a component coupled to an output of a power supply includes measuring a frequency response from a control input of the power supply to the output of the...
8482429 Sensing environmental conditions using RFID  
RFID tag sensor devices are adapted to be mounted in locations relative to a rack mountable device to wirelessly report a condition relating to an operating environment of the rack mountable...
8410955 Module with a radio transceiver device and an actuator, system, and method with this module and a central unit  
A module with a radio transceiver device, an actuator, and an activation device. Also disclosed is a system comprising such a module and a central unit, and a method with such a module and a...
8384559 Sensor device with flexible interface and updatable information store  
A sensor device includes an interface that receives a request. The sensor device includes an updatable information store that responds to the request if the request is directed to the updatable...
8339278 Electronic system with AC-DC convertor controlled by received signal and AC-DC adaptor  
An electronic system includes: an AC-DC converter to convert an AC voltage into a DC voltage and to supply the DC voltage to a secondary battery; a first detector to detect a remaining amount of...
8151823 Fluid power valve arrangement with at least one solenoid valve  
A fluid power valve arrangement with at least one solenoid valve whose solenoid is connected or able to be connected via only two control lines with an electrical control and/or communication...
8138945 Sensor node  
There is disclosed a sensor node capable of transmitting and receiving a large amount of data or data desired to be reliable without missing data, while preventing battery exhaustion and...
7940679 Power outage management and power support restoration for devices in a wireless network  
Techniques for power outage management and power support restoration for devices in a wireless network are disclosed herein. Such a wireless network may include a number of bi-directional nodes in...
7859427 Bidirectional, DC-isolated transmission channel  
Arrangement and method for electrically isolated transmission of direct-current and alternating-current signals. The signals can be transmitted in both directions via the same and only DC-isolated...
7750822 Biometric information transmitter  
To restrain a communicatable distance from being shortened even when a power source voltage is lowered. A heart beat signal transmission control portion controls a resonance starting oscillation...
7610129 Remote vehicle starter and method for remotely starting vehicle  
A remote vehicle starter allows a user to start an engine of a vehicle remotely. The starter includes a parameter-signal generating unit, a receiving unit, an engine starting unit and a...
7609171 Power consumption control method, power consumption control apparatus, computer program product, computer program distribution medium and communication device  
The invention relates to a power consumption control apparatus configured to receive messages or commands which have an increasing effect on power consumption of a communication device; monitor...
7561392 Intrinsically safe data transmission device  
A process control system (1) comprises at least one process control computer (2) and field units (4) connected thereto via a bus system. An, in particular, intrinsically safe data transmission...
7417558 Wireless communications system incorporating intelligent electronic devices  
An intelligent electronic device (IED) for monitoring at least one power parameter in a power system is disclosed. The IED comprises at least one voltage input operative to be coupled with at...
7342507 Revenue meter with power quality features  
Power quality detection, monitoring, reporting, recording and communication in a revenue accuracy electrical power meter is disclosed. Transient events are detected by monitoring the wave shape of...
7194363 Ultrasonic flowmeter  
A low power ultrasonic flowmeter to be powered by a two wire power supply loop is described, comprising: an ultrasonic flow sensor, a signal processing unit for determining a measurement result...
7126495 Linear electric encoder with facing transmitter and receiver  
A capacitive motion encoder, for sensing the position of a moving object relative to a stationary object, includes at least one stationary element, coupled to the stationary object and a moving...
7091872 Controlled power source for underground line location  
A transmitter for a line locator system that controls the electrical current, voltage or power applied to the target line is disclosed. Control of the electrical output of the transmitter can be...
6995685 Utility meter power arrangements and methods  
An arrangement for providing power in a utility meter includes a power conversion circuit and a bank of capacitors. The power conversion circuit is operable to provide power to metering circuitry...
6882942 Accessing main ATX outputs without monitoring all outputs  
A power monitor circuit and method delays the start of a computer until multiple power lines are at a safe level of operation. The integrated circuit monitors only the voltage of a primary power...
6839546 Process transmitter with wireless communication link  
A process transmitter is configured to measure a process variable of an industrial process. A housing has a first cavity which houses first transmitter electronic circuitry and provides a barrier...
6778099 Wireless area network communications module for utility meters  
A communications module that permits remote meter reading of a utility meter via a wireless modem that communicates using data packet networks along a communications system, such as ARDIS. The...
6771169 Tire pressure monitoring system with a signal initiator  
A tire pressure monitoring system (12) for a vehicle (10) has a plurality of tires (14a-d) in respective rolling locations having a respective plurality of tire transmitters (16a-d) that generate...
6703943 Assembly for signal transfer between a receiving station and a transmitting station as well as for power supply of the transmitting station  
In an assembly for signal transfer between a receiving station and a transmitting station and for power supply of the transmitting station where these two stations are connected via a two-wire...
6512358 Measuring device for measuring a process variable  
The invention is directed to a measuring device for measuring an industrial process variable with a predetermined maximum power consumption by the measuring device. More specifically, the...
6140940 Assembly for signal transfer between a transmitter location and a receiver location  
In an assembly for signal transmission between a transmitter location and a receiver location connected to each other by a two-wire conductor an analog signal current, variable between two limit...
5907292 Circuit for transmitting a measurement current from an intrinsically safe sensor to a non-intrinsically safe area  
This circuit arrangement comprises a transformer (2) for transmitting a measurement current (I), which is output by a sensor arrangement (1) at a measurement location situated in an intrinsically...
5905372 Apparatus and method for delivering power to a contactless portable data device  
A terminal device powers a portable data device by transmitting in two modes of operation. In a first mode of operation, the terminal transmits to the portable data device a power signal at a...
5841205 Branching unit for underwater telecommunications systems  
A branching unit for an underwater communications system is arranged so as to provide remote hot switching for electrical power. The unit has three terminations (1, 2, 3) each for a different one...
5790049 Two axis gimbal suspension with wireless signal and power transfer  
A suspension system permits fine angular adjustment of a gimbal-mounted platform and, in combination with a wireless power and communications transfer system, eliminates the unwanted forces...
5744877 Downhole power transmission system  
A system for providing large quantities of power at a selected voltage to a downhole well tool. A conductor extends between a surface regulator and the well tool. The voltage is continuously...
5710552 Barrier device  
A barrier device threadably mounts to a cabling aperture on a field mounted transmitter. The field mounted transmitter receives and transmits signals, and is wholly powered by a current loop...
5673038 Process variable measuring and display device and portable power supply  
This invention relates to the field of process variable measuring and display devices and portable power supplies for process variable display devices. This invention can be used to measure and...
5648766 Circuit with supply voltage optimizer  
An electronic device (100) includes a regulator (102) for generating an operating voltage. The device (100) also includes at least one component (110) using the operating voltage and requiring a...
5616846 Method and apparatus for current regulation and temperature compensation  
A temperature compensation circuit is connected to the output of a strain gauge pressure sensor having a wheatstone bridge arrangement. The signal from the wheatstone bridge sensor is amplified...
5550700 Interchange circuit overload protection using driver current limiting  
A low-voltage drop current regulator regulates the current in a data interchange circuit. In one embodiment, the low-voltage drop current regulator couples a positive power supply voltage to the...
5546079 Output circuit arrangement integrated in an integrated electric circuit for supplying an output signal determined by user selectable parameters  
An output circuit in which both the signal type (i.e., current or voltage) as well as the signal level range (for example, 0 to 10 V, -10 V to +10 V) are based on user input parameters. The...
5495241 Method for reducing power loss in devices for contactless data and energy transfer, and apparatus for performing the method  
In a method and apparatus for reducing power loss in devices for contactless data and energy transfer, a function unit is provided in a movable part which ascertains the value of the current loss...
5489897 Power control monitoring system for underwater cable communications systems  
In a power control monitoring system for monitoring a power feed for a cable communications system including n cable landing stations where n is an integer, a network connects m cable landing...
5469156 Field sensor communication system  
A field sensor communication system is arranged in such a manner that, when an electric current, the level of which can be changed to a predetermined level, is, transmitted to a signal...
5454008 Method and apparatus for interfacing between a twisted pair and an intelligent cell  
A transceiver module for coupling between cells in a distributed intelligence network and a twisted pair line. The module receives power from the line and provides power to its respective cell. At...
5448231 Method and apparatus for transmitting signals on a transmission line  
The present invention provides a method and apparatus for transmitting signals on a transmission line, the transmission line having a DC current flowing therethrough and having a plurality of...
5448477 Systems for input and output of data to a well tool  
System for the input and output of data on a two wire system with a downhole well tool which has a system with sensor devices, a processor, a clock, a memory and a voltage/current communications...
5420578 Integrated transmitter and controller  
Integrated transmitters and controllers for use in monitoring process variables. A transmitter and controller for monitoring and controlling a process variable in a process control loop comprises...
5289500 Signal conditioner  
A signal conditioner comprising a receiving part, a transmitting part, and a power supply part, wherein the main functions of these components are digitalized and common circuit elements are used...
5087912 Universal pressure measurement interface  
A universal pressure measurement interface ("UPMI") according to the invention enables interfacing of a multiplicity of pressure transmitters to a data acquisition system. The UPMI provides the...
5065152 Two-wire loop electric circuit arrangement  
The circuit includes a loop (3) in which a signal current flows; a supply voltage generation circuit (1); a signal conversion circuit (2); a switch (5) operative to connect either the supply...

Matches 1 - 50 out of 194 1 2 3 4 >