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Match Document Document Title
9031505 Filtering a single wire protocol (SWP) current signal to be provided to a near field communications (NFC) device  
A communications device is disclosed that includes a united integrated circuit card (UICC) that provides a single wire protocol (SWP) current signal to a near field communications (NFC) device....
9007233 Non-contact capacitive datalink for a downhole assembly  
Aspects of this invention include a downhole assembly having a non-contact, capacitive coupling including first and second transceivers deployed in corresponding first and second downhole tool...
8988248 Data transmission method and device for A/C systems  
A method for modulating the effective power in one or several power consuming devices disposed in an A/C system in order to transmit data on a power supply line thereof by specifically varying the...
8965720 Efficiency monitor for inductive power transmission  
An efficiency monitor for monitoring the efficiency of power transmission by an inductive power outlet. The efficiency monitor includes an input power monitor, for measuring the input power...
8843062 Coupling area enhancement apparatus, system, and method  
A coupling area enhancement device includes a small coil and a large coil on opposing sides of a sheet of electromagnetic interference (EMI) absorptive material. The coupling area enhancement...
8816536 Apparatus and method for wirelessly powered dispensing  
A system includes a dispenser and a transmitter. The dispenser is configured to support and dispense product. The dispenser includes: a housing; an antenna disposed and configured to receive...
8794314 Drill rod  
The invention relates to a drill rod having at least two rod elements, which are connected to each other in a rotationally fixed and detachable manner, wherein the rod elements each have an inner...
8762720 Method of mutual authentication between a communication interface and a host processor of an NFC chipset  
An authentication method between a secure host processor and a controller of an NFC system, the controller being equipped with an NFC interface circuit sending and receiving contactless data,...
8704677 Reliable downhole data transmission system  
A downhole signal transmission system provides electric radiofrequency signals that are coupled to electrically conductive or non-conductive fluids through electrical insulators. A plurality of...
8693949 Near-field RF communicators having a low-energy pre-polling process  
A near-field RF communicator which is operable to perform a polling process to initiate communication with another near-field RF communicator in near-field range, wherein the near-field...
8670710 Filtering a single wire protocol (SWP) current signal to be provided to a near field communications (NFC) device  
A communications device is disclosed that includes a united integrated circuit card (UICC) that provides a single wire protocol (SWP) current signal to a near field communications (NFC) device....
8639186 Telemetry conveyed by pipe utilizing specks  
Drill pipe segments, communication systems, and methods of manufacturing pipe segments usable for communicating data wirelessly between sensors and tools placed in an oil and/or gas well are...
8588681 Semiconductor device performing signal transmission by using inductor coupling  
Disclosed is a semiconductor device which performs signal transmission by using inductor coupling. The semiconductor device comprises one or more transmission and reception coil pair, each pair...
8519865 Downhole coils  
In one aspect of the invention, a downhole tool string component comprises a tubular body with at least one end adapted for threaded connection to an adjacent tool string component. The end...
8511389 System and method for inductive signal and power transfer from ROV to in riser tools  
A subsea wellhead assembly having a completion landing string inside a drilling riser is described herein and comprises a power source for generating an alternating electrical current; a connector...
8469084 Wireless transfer of power and data between a mother wellbore and a lateral wellbore  
A technique enables wireless communication of signals in a well. The technique is employed for communication of power signals and/or data signals between a mother wellbore and at least one lateral...
8432293 Charging a chargeable power supply of a near field communication (NFC) enabled device from a radio frequency (RF) signal inductively coupled onto a magnetic field  
A NFC communicator or NFC communications enabled device (1 or 2 or 100a) has a data store (108) to store data, a coupler (17 or 32 or 102) to couple inductively with the magnetic field of a radio...
8432294 Subsea electronic module  
An electronic module for use as a subsea electronic module (SEM) for an underwater fluid extraction well, as provided. An example of such an SEM includes a plurality of substantially planar...
8378842 Downhole component with an electrical device in a blind-hole  
A downhole tool string component has a through-bore intermediate first and second tool joints adapted for connection to adjacent tool string components. A blind-hole is formed in an outer surface...
8334786 Down-hole wireless communication system  
Apparatus for the wireless transmission of data, and preferably also of power, across a space between a length of production tubing and a surrounding casing in a petrochemical well, includes a...
8330615 Power supply system for downhole network  
An electric system for measurement and control in an oil/gas well using transmission of electric signals and supply of electric power. The system is provided with a current loop having an...
8315563 Wireless reader tags (WRTs) with sensor components in asset monitoring and tracking systems  
A wireless transceiver includes: (a) a low power radio frequency (LPRF) communications component capable of powering down to conserve energy and capable of powering up in response to an electronic...
8278930 Deep MWD resistivity measurements using EM shielding  
Structure for deep MWD resistivity measurements suitable for both geo-steering and measurements ahead of the drill bit is disclosed. Alternating current is transmitted through a loop and an...
8264369 Intelligent electrical power distribution system  
A downhole tool assembly with electrical connectors disposed proximate an upper end and a lower end of the tool intelligently distributes electrical power. Switches are disposed between the...
8264532 Through-mill wellbore optical inspection and remediation apparatus and methodology  
An optical inspection instrument includes a housing configured to move along the interior of a pipe string in a wellbore. The pipe has a cutting structure at its bottom end. The instrument...
8242929 Wireless drill string telemetry  
A communication module for transfer of information along a drill string has at least one antenna coil, wherein the communication module is configured such that a central coil axis of the antenna...
8242928 Reliable downhole data transmission system  
A downhole signal transmission system provides electric radiofrequency signals that are coupled to electrically conductive or non-conductive fluids through electrical insulators. A plurality of...
8213355 Wireless communication system, communication apparatus, setting information providing method, setting information obtaining method, and computer program  
A wireless communication system includes an access point, a master communication apparatus, and a slave communication apparatus, and the master communication apparatus and the slave communication...
8208852 Electronic apparatus for electric field communication  
A casing contains a circuit substrate. A signal electrode for transmitting and/or receiving an electronic field signal is arranged on a first surface side of the casing. The signal electrode is...
8130118 Wired tool string component  
A system is disclosed as having first and second tubular tool string components. Each component has a first end and a second end, and the first end of the first component is coupled to the second...
8102276 Non-contact capacitive datalink for a downhole assembly  
Aspects of this invention include a downhole assembly having a non-contact, capacitive coupling including first and second transceivers deployed in corresponding first and second downhole tool...
8084259 Method of insuring the integrity of a filtering element  
The present invention describes a system for accurately measuring the concentration of a substance within a filter housing. A concentration sensor and a communications device are coupled so as to...
8056619 Aligning inductive couplers in a well  
An apparatus that is usable with a well includes a first equipment section that includes a first inductive coupler and a second equipment section that includes a second inductive coupler. The...
8051912 Armored flat cable signalling and instrument power acquisition  
Measurement and/or control units located within a borehole are inductively coupled to a flat three phase power cable segment without piercing the armor around the cable. For drawing power from the...
8044820 Method and system for performing operations and for improving production in wells  
A method for performing operations and for improving production in a well includes the steps of: providing radio identification devices at known locations in the well, and providing a reader...
8031081 Wireless telemetry between wellbore tools  
An embodiment of a wireless telemetry system for providing signal communication across a wired-communication gap in a bottom-hole assembly (“BHA”), the BHA having an upper portion and a lower...
7986916 Demodulation communication signals in a near field radio frequency (RF) communicator  
A near field RF communicator has an IQ demodulator and a demodulator processor that identifies a transition between logical states on the basis of either: 1) a magnitude obtained by adding a first...
7893814 Method and apparatus for tracking items on a conveyer using capacitive RFID  
A method and apparatus are described for facilitation of radio frequency (RF) communication between a radio frequency identification (RFID) device and RFID tags for a conveyer system. The RFID...
7840181 Rectifier circuit and radio communication device  
A first bias circuit outputs a first direct-current voltage to charge a first capacitor based on a clock signal. A second bias that outputs a second direct-current voltage to charge a second...
7777644 Method and conduit for transmitting signals  
A wired drill pipe for a drill string of a downhole tool positioned in a wellbore penetrating a subterranean formation is provided. The wired drill pipe includes a drill pipe, a cable and a wire...
7769345 Device and method for guiding a user to a communication position  
A portable electronic device that includes an antenna and at least one of a transmitter or a receiver connected to the antenna for transferring information between the portable electronic device...
7714741 Method and system for performing operations and for improving production in wells  
A method for performing operations and for improving production in a well includes the steps of: providing radio identification devices at known locations in the well, and providing a reader...
7697894 Method and system for tactile confirmation of service bookmarks  
A wireless communication method and device for managing information available via a wireless connection. Service information may be transmitted to a wireless communication device (WCD) via a...
7656289 Apparatus for monitoring an inside of a manhole  
An apparatus for monitoring an inside of a manhole in which the inside of the manhole is monitored using a simple communication and power supply unit is closed. The apparatus comprises power...
7649475 Tool string direct electrical connection  
A downhole electrical transmission system having first and second tubular bodies coupled together by mating threads, each tubular body having a bore. An electrical conductor assembly is disposed...
7535377 Wired tool string component  
A system is disclosed as having first and second tubular tool string components. Each component has a first end and a second end, and the first end of the first component is coupled to the second...
7528736 Loaded transducer for downhole drilling components  
A system for transmitting information between downhole components has a first downhole component with a first mating surface and a second downhole component having a second mating surface...
7504963 System and method for providing electrical power downhole  
A system for transmitting power to components of a downhole drill string is disclosed in one embodiment of the invention as including a power source providing an alternating current at a first...
7482945 Apparatus for interfacing with a transmission path  
A downhole communication apparatus has a signal coupler disposed in an end of a downhole tubular component. The signal coupler has a transceiver portion and a conductor portion. A data conductor...
7411517 Apparatus and method for providing communication between a probe and a sensor  
A wireless data communication system for a down hole environment. The system includes a housing containing a sensor, positioned within a tubular, for collecting information and processing the...

Matches 1 - 50 out of 123 1 2 3 >