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Match Document Document Title
8917192 Portable terminal having keypad  
A portable terminal has a keypad. The portable terminal includes the keypad including a plurality of key buttons in a predetermined pattern and forming an antenna pattern by using devices...
8907680 Voltage detector, malfunction detecting device, contactless power transmitting device, contactless power receiving device, and vehicle  
A voltage detector for detecting a voltage generated in a second resonant coil that is disposed to face a first resonant coil and that performs at least one of electric power transmission and...
8842051 Omnidirectional buoyant cable antenna for high frequency communications  
The invention is a buoyant cable antenna that is towed on the surface of a body of water by a submerged underwater vehicle to allow communication coverage in an omnidirectional pattern in the VHF...
8810473 Non-penetrating mounting system for antenna  
A non-penetrating antenna mounting system is provided. The system includes a frame, an antenna, and an airfoil. The frame is configured to retain ballast to secure the frame to a surface of a...
8783346 System and method for improving operational characteristics  
In one embodiment, an apparatus includes an antenna having a conductive winding, with the antenna disposed about a channel. A characteristic improvement material is disposed between the antenna...
8786287 Collocated tri-axial induction sensors with segmented horizontal coils  
A logging tool for use in a borehole to obtain multicomponent resistivity induction measurements using collocated coils wherein each of the transverse antennas comprises a pair of mirror-image...
8760355 Hybrid dual band buoyant cable antenna element  
The invention as disclosed is a buoyant cable antenna configured for both VLF/LF and HF signals. A 100 foot antenna element has a low-pass filter assembly positioned at the midpoint of the antenna...
8711045 Downhole telemetry system  
An EM antenna for location on a pipe (10) surrounded by a casing (12). The antenna has a power source (21) for injecting a current across a first insulated section (25) of the pipe (10) and an...
8686909 Vault antenna for WLAN or cellular application  
A fringe-effect vault antenna includes a communications vault having a non-conductive cover disposed substantially at ground level. An antenna element is positioned in the communications vault. A...
8674894 Antenna design  
An antenna core design. An antenna assembly is provided for use in tracking and locating equipment used to track and locate tools with underground drilling systems. The antenna assembly comprises...
8614578 Attenuation of electromagnetic signals passing through conductive material  
The present disclosure relates to determining the attenuation of an electromagnetic signal passing through a conductive material. An antenna is provided and placed in relatively close proximity to...
8602369 Water meter mounting bracket system and method  
A bracket system and method to retrofit a subsurface water meter enclosure with a mount so as to provide secure positioning means suitable for components related to a water meter such as...
8604986 Device for propagation of electromagnetic waves through water  
The invention concerns a device for propagating electromagnetic waves through impure water such as seawater or brackish water. The device comprises a body of polar material, for example pure...
8515343 Water based vehicle communications system  
An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data input. A digital data compressor...
8497673 Directional resistivity antenna shield  
A logging while drilling tool includes a directional resistivity antenna and an antenna shield having. The shield has at least one slot having at least one electrically open end formed therein....
8466682 Apparatus and method for downhole electromagnetic measurement while drilling  
A directional resistivity tool includes a pair of transmitters deployed between at least one pair of receivers. Each of the transmitters and receivers preferably includes collocated z-mode and...
8462060 Embedded antenna apparatus for utility metering applications  
An embedded antenna for facilitating wireless transmission of utility meter data is disclosed, where in one embodiment an RF antenna is a part of the faceplate of the utility meter. In another...
8456159 Stabilization system for sensors on moving platforms  
A stabilized field sensor apparatus collects field data, in particular magnetic field data, with reduced motion noise. The apparatus includes a tear drop shaped housing, a tow frame in the...
8446325 Hybrid cable antenna for high frequency band  
A hybrid cable antenna includes a first cable antenna that is buoyant and unloaded for operation in a lower portion of the high frequency band. At least one second cable antenna is serially and...
8396610 System for detecting a suspected area  
It is well known that tunnels in many cases have been proven as an efficient means to overcome counter trespassing means and enable hostile entities to infiltrate a boarder or other restricted...
8385821 Underwater vehicle communications system  
An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data input. A digital data compressor...
8378908 Array antenna for measurement-while-drilling  
An electromagnetic antenna for Measurement-While-Drilling (MWD) applications is disclosed. The antenna can include several array elements that can act alone or together in various measurement...
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...
8364078 Communications system  
An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data input. A digital data compressor...
8350719 Lid plug and bracket  
A meter pit lid plug and bracket assembly configured to suspend a transmitter plug inside a meter pit is provide. The meter pit lid plug and bracket assembly includes a plug and a bracket. The...
8346164 Underwater communication system  
An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data input. A digital data compressor...
8346165 Diver audio communication system  
An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data input. A digital data compressor...
8335469 Communications system  
An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data input. A digital data compressor...
8331856 Underwater camera communication system  
An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data input. A digital data compressor...
8330669 Remote antenna coupling in an AMR device  
Disclosed are apparatus and methodology for providing improved signal radiation from an Automatic Meter Reading (AMR) endpoint module. A two-part coupler is provided, with one part thereof affixed...
8326219 Communications system  
An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data input. A digital data compressor...
8315560 Underwater navigation  
An underwater navigation system comprising a transmitter having an electrically insulted magnetic coupled antenna for transmitting an electromagnetic and/or magneto-inductive signal, a receiver...
8310403 Antenna attachment scheme for mounting an antenna to a meter  
An antenna attachment scheme is provided, according to one aspect of the invention, for mounting an antenna to a meter. The antenna attachment scheme comprises a housing mountable to a meter. The...
8299975 Embedded antenna apparatus for utility metering applications  
An embedded antenna for facilitating wireless transmission of utility meter data is disclosed, where in one embodiment an RF antenna is a part of the faceplate of the utility meter. In another...
8264415 Sealed transmitter assembly for subsurface utility installations  
An assembly (10) for installation in a subsurface ground enclosure has an electronic transmitter, an antenna and other circuitry that are encapsulated against moisture conditions. The assembly...
8203495 Modular VLF/LF and HF buoyant cable antenna and method  
A buoyant cable antenna system includes an HF antenna section connected to an outboard end of a VLF/LF antenna. With respect to the HF antenna, the VLF/LF appears to be a standard coaxial cable so...
8179327 Subsurface deployable antenna array  
A subsurface deployable antenna array is provided which expands upon deployment and contracts for storage to provide an antenna array that can be stored in a comparatively compact space....
8091775 Process and assembly for identifying and tracking assets  
An assembly and process for identifying and tracking assets, such as tubulars, equipment, tools and/or devices. An antenna is electrically connected to a responding device, such as a radio...
8077101 Trans-grade communication network  
Methods and apparatus that provide grade-level RF transceivers for use in trans-grade wireless communication networks. The methods involve incorporating slot antennas into grade-level opening...
8055193 Underwater remote sensing  
An underwater remote sensing system comprising a transmitter for transmitting an electromagnetic signal, a receiver for receiving an electromagnetic signal reflected from an object and determining...
8023786 Cable  
In order to improve a cable, comprising an inner cable body, in which at least one conductor strand of an optical and/or electrical conductor runs in the longitudinal direction of the cable, an...
8005424 Communication device and communication method of underwater vehicle  
The present invention provides a communication device and a communication method of an underwater vehicle, which use an electromagnetic field (electromagnetic wave), having a higher propagation...
7994994 Embedded antenna apparatus for utility metering applications  
An embedded antenna for facilitating wireless transmission of utility meter data is disclosed, where in one embodiment an RF antenna is a part of the faceplate of the utility meter. In another...
7982679 Transmission of underwater electromagnetic radiation through the seabed  
An underwater communication method is provided. EM signals are transmitted via a seabed using an underwater electrically insulated magnetically coupled antenna. By making use of the low loss...
7952530 Serpentine buoyant cable antenna  
The present invention relates to an improved buoyant cable antenna system. The system includes a buoyant cable transmission line segment and an antenna segment formed from a flexible memory...
7916092 Flexible circuit for downhole antenna  
An antenna for an electromagnetic tool having a longitudinal axis and a core. The antenna includes a flexible dielectric substrate flexibly conformed about the core and an electrical conductor...
7877059 Underwater communications system comprising relay transceiver  
An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data input. A digital data compressor...
7873316 Underwater communications system  
An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data input. A digital data compressor...
7853206 Underwater communications system with adaptable carrier frequency  
An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data input. A digital data compressor...
7839346 Ruggedized multi-layer printed circuit board based downhole antenna  
The specification discloses a printed circuit board (PCB) based ferrite core antenna. The traces of PCBs form the windings for the antenna, and various layers of the PCB hold a ferrite core for...

Matches 1 - 50 out of 228 1 2 3 4 5 >