Matches 1 - 50 out of 257 1 2 3 4 5 6 >
Match Document Document Title
7616166 Three-axis antenna, antenna unit, and receiving device  
To achieve sensitivity not deviating in any of XYZ directions. A three-axis antenna with a cross-shaped core ( 2 ) having a pair of X-axis arms ( 22 a, 22 b ) projecting in the X-axis direction in...
7592964 Shielded coil for inductive wireless applications  
The present invention relates to a surface mounted coil ( 200 ) for wireless communication. The coil ( 200 ) comprises a wire ( 202 ) wounded about a core ( 204 ) thereby establishing a plurality...
7570223 Antenna core and method for production of an antenna core  
An antenna core comprises a flexible stack of a plurality of oblong soft-magnetic strips consisting of an amorphous or nanocrystalline alloy. The strips of said antenna core are separated from one...
7557766 Portable remote controller for tire status detector  
A portable remote controller for a tire status detector, includes a portable casing, a transmission circuit disposed in the casing, a low-pass filter disposed at an output side of the transmission...
7557763 Housing mounted Z-axis antenna coil  
A fob for a remote keyless entry system includes a printed circuit board (PCB) located within a housing. The PCB includes a surface on which circuitry is printed and components are mounted. A coil...
7548213 Game chip  
The present invention relates to the technology of recognizing and reading each game chip although game chips are stacked. The present invention is a game chip storing data readable by a...
7545337 Antenna arrangement for inductive power transmission and use of the antenna arrangement  
An antenna arrangement for the inductive transmission of energy has magnetic cores made of a composite material with amorphous or nanocrystalline flakes and a moulded plastic material, so that the...
7545336 Card type wireless device, antenna coil, and method for manufacturing communication module  
An antenna coil includes: an air-core type flat coil body; and a coil support member disposed between the coil body and a substrate so that the coil body is supported on a surface of the substrate....
7538743 Balanced and shortened antennas  
An antenna for radiating and/or receiving signals. The antenna includes (i) a first hollow and helical pipe, (ii) a second hollow and helical pipe, (iii) a first transmission wire, (iv) a second...
7515112 Antenna device and radio wave controlled timepiece  
An antenna device includes an antenna for receiving a time information radio wave, and an antenna support member. In the antenna, a coil is wound around a center portion of a core. In the support...
7511679 Antenna, and radio timepiece using the same, keyless entry system, and RFID system  
A magnetic sensor-type antenna comprising a magnetic core and a coil wound around the magnetic core for receiving electromagnetic waves, which is disposed in a housing such that the end portion of...
7508350 Antenna core  
A highly bendable antenna core ( 8 ) which is highly bendable for high-frequency identification systems substantially retains its soft-magnetic properties when bending occurs. The antenna core is...
7503509 Antenna apparatus  
This invention provides an antenna apparatus ( 60 ) for use in a non-contact type IC card into and from which data can be written and read by electronic apparatuses having a communication function,...
7503491 RFID chip and antenna with improved range  
A “coil-on-a-chip” RFID tag having an rfid integrated circuit and an antenna contemporaneously formed on a substrate. The antenna is a helical multiple layer, multi-turn coil having an axis of...
7501955 RFID device with content insensitivity and position insensitivity  
An RFID device includes an antenna structure that provides good performance throughout a range of different positions relative to nearby materials, such as metallic objects in a carton or other...
7495626 Antenna for electron spin radiation  
An antenna for generating electron spin radiation corresponding to a signal from a radio frequency communications device includes a substantially cylindrical conductor, a first spiral-wound flat...
7495625 Antenna for reader/writer and reader/writer having the antenna  
A soft magnetic member which is formed by a composite of an organic object to satisfy a predetermined relationship with an antenna area, a circumference length, and a magnetic transmission ratio...
7471259 Tank antenna  
An air tank for a self-contained breathing apparatus that incorporates a coil antenna for use in a magneto-inductive system. The coil antenna is formed as a part of the tank. The antenna is...
7466283 Coil antenna structure and portable electronic apparatus  
A coil antenna structure includes a first magnetic component extending in the thickness direction of a tabular primary casing. A second magnetic component and a third magnetic component, which are...
7463208 Antenna, and radio-controlled timepiece, keyless entry system and RFID system  
An antenna comprising a magnetic main-path member comprising a coil wound around a magnetic core, and a magnetic sub-path member magnetically connected to the magnetic core for constituting a...
7446724 Monopole antenna  
A monopole antenna comprising an antenna conductor to transmit or receive a radio wave, and an inductor either inserted in the antenna conductor or connected to an end of the antenna conductor. The...
7446720 Method and apparatus for a wireless hearing aid antenna  
The present subject matter includes a hearing aid housing, a microphone, a wireless communication circuit, hearing aid electronics disposed in the housing, the hearing aid electronics connected to...
7443300 Antennas for object identifiers in location systems  
Transmitters or object identifiers are discloses that are able to radiate consistent power regardless of the object where the transmitters or object identifiers are placed. The transmitter or...
7436372 Antenna device and electronic equipment comprising the antenna device  
An antenna device, housed in a space of a case of an electronic equipment, the case having a surface in which an aperture is formed, includes a magnetic substance and a coil wound around the...
7427963 Antenna coil and antenna device  
An antenna coil includes: a core ( 3 ) formed by shaping a magnetic material into a bar-like configuration; a bobbin ( 1 ) having a through-hole ( 12 ) into which the core ( 3 ) is to be inserted;...
7427034 Information processing apparatus and loop antenna  
An information processing apparatus for use in a transmitting or receiving operation by a non-contact type IC card function and a reader/writer function includes a loop antenna having a feeding...
7425929 Coil antenna  
A coil antenna includes a magnetic core and a coil wound around a bobbin which are accommodated within a case. The magnetic core and an end of the bobbin are connected to a cap. The magnetic core...
7411507 Metal housing with integral antenna for RFID reader/writer  
Enhanced physical protection against vandalism for RFID reader/writer units is provided by a relatively thick metal front or housing which also functions as the antenna element of the...
7405709 Magnetic core member, antenna module, and mobile communication terminal having the same  
A magnetic core member, an antenna module, and a portable communication terminal having this, which have a configuration capable of satisfying enhancement of communication characteristics of...
7403168 Antenna device and communications system using the same  
An antenna made by winding a coil on the periphery of a rod-like core made of a magnetic material is housed inside a pillar having a relatively small width and disposed in a manner such that its...
7394376 Theft deterrent tag  
An article surveillance tag that has a shock absorbing mechanism that prevents unauthorized removal of the tag by the application of a strike force to the tag by a blunt object. In one embodiment,...
7388500 Enhanced mechanism for radio frequency identification reader  
The invention relates to an enhanced mechanism for RFID reader which includes: an antenna for receiving a RFID signal transmitted from an object under test and outputting the RFID signal to the...
7372422 Low cost electronic probe devices manufactured from conductive loaded resin-based materials  
Electronic probe devices are formed of a conductive loaded resin-based material. The conductive loaded resin-based material comprises micron conductive powder(s), conductive fiber(s), or a...
7372421 Antenna device and communication system using it  
An antenna device has a core made of a magnetic material, a coil formed by winding a conducting wire on a predetermined range including the core and the outer region of the core, and a sub-core...
7355556 Antenna and electronic device  
An antenna includes a rod-like core configured by an amorphous metal formed into a bulk configuration, and a coil wound around the core. An electronic device includes a case encasing the antenna, a...
7336235 Antenna having a core material of laminated thin magnetic plates that are divided to be wider at end portions of the core material  
An antenna having: a core material which is formed by laminating a plurality of thin plates made of a magnetic material, both end portions of the core material being widened in a thickness...
7333063 Electronic device and antenna apparatus  
In an electronic device having a metal device case, and an antenna disposed inside the device case, a magnetic member having a magnetic permeability higher than a magnetic permeability of the...
7321337 Electronic device having metal package unit having built-in antenna unit  
An electronic device an antenna, an information processing apparatus for the purpose of processing information captured by the antenna, and a metal exterior parts capable of housing therewithin the...
7317426 Core antenna for EAS and RFID applications  
A core antenna system for use in electronic article surveillance (EAS) and radio frequency identification (RFID) systems. The core antenna system may include a core antenna. The core antenna may...
7307597 Antenna  
An antenna is provided which includes a radiation conductor; a basebody provided on the radiation conductor, and including a dielectric section made of a dielectric material and a magnetic section...
7295168 Antenna coil  
An antenna coil has a simple structure and a high sensitivity and can be thinner. The antenna coil includes an X Y coil unit having an X axis coil and a Y axis coil wound around a core, a Z axis...
7281314 Method for implementing an antenna system  
A system and method for implementing an antenna system for multiple antennas using a single core. The method may include providing a first core, a first winding would about the first core for...
7280079 Adapter device for car radio  
An object of the invention is to provide an adaptor device for a car radio capable of improving the receiving state. The adaptor device 20 for a car radio is connected to a vehicle-mounted...
7274337 Antenna structure and wave clock having the antenna structure, and method for manufacturing the antenna structure  
An antenna structure that can be received in a case in a condition that an occupied space is minimized, and allows reception of an electric wave at excellent sensitivity, and a wave clock having...
7262742 Antenna frame, antenna structure, and watch type wave clock having the antenna structure  
An antenna frame that can suppress shock given to an antenna and position the antenna with controlling increase in size to a minimum, an antenna structure, and a wave clock having the antenna...
7230572 Low cost antenna devices comprising conductive loaded resin-based materials with conductive wrapping  
Antennas are formed of a conductive loaded resin-based material with conductive wrapping, embedding, and/or center-fusing. The conductive loaded resin-based material comprises micron conductive...
7209090 High efficiency core antenna and construction method  
A magnetic core antenna system including a magnetic core and a winding network. The winding network may be configured with a non-uniform ampere-turn distribution to achieve a desired flux density...
7205947 Litzendraht loop antenna and associated methods  
The antenna includes a Litz wire loop having a plurality of individually insulated wires braided together and a plurality of splices therein to define distributed capacitors. A magnetically coupled...
7180450 Semiconductor device with antenna and collector screen  
A semiconductor device includes a substrate, for example made of silicon, and layers, deposited on this substrate. Within at least one of these layers a radio signal transmission/reception antenna...
7170462 Antenna structure and radio controlled timepiece  
An object of the present invention is to provide an antenna structure having high reception performance and having neither material limitations nor design limitations, and to provide a radio...
Matches 1 - 50 out of 257 1 2 3 4 5 6 >