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Class 343/867 - Plural; plural or tapped coils


Subclass of Class 343 - Communications: radio wave antennas
Definition: Subject matter including a plurality of distinct coils or
No. of applications: 110
Last issue date: 03/01/2012


1      
Application No.Application TitleIssue Date
20120050130RADIO COMMUNICATION DEVICE
Provided is a wireless communication device capable of communicating a signal in a first frequency band and a signal in a second frequency band, which is lower in frequency than the first frequency band, including: a plate-like object; a first integrated circuit which h...
03/01/2012
20120038519MULTI-LOOP ANTENNA SYSTEM AND ELECTRONIC APPARATUS HAVING THE SAME
A multi-loop antenna system includes a substrate having opposite first and second surfaces, a first loop antenna disposed on the first surface, and a second loop antenna disposed on one of the first and second surfaces. Each of the first and second loop antennas is oper...
02/16/2012
20120038534LOOP ARRAY ANTENNA SYSTEM AND ELECTRONIC APPARATUS HAVING THE SAME
An antenna device includes: a substrate; micro-strip and grounding portions that are respectively disposed on opposite first and second surfaces of the substrate, the former including a signal-feed section for feeding of signals and a plurality of first connecting secti...
02/16/2012
20120038538ANTENNA DEVICE
An antenna device includes: a plurality of loop metal wires that form loops out of metal wires and that are radially arranged around a center line; a power feeding portion that feeds power to the loop metal wires or a power receiving portion that receives power from the...
02/16/2012
20120034869DUAL BAND ANTENNA AND METHODS FOR USE THEREWITH
A dual band antenna includes a far field antenna structure for facilitating the communication of first data with a remote device via far field signaling in a millimeter wave band. A near field antenna structure facilitates the communication of second data with a remote ...
02/09/2012
20120013469ANTENNA SHEET, TAG, AND METHOD OF MANUFACTURING TAG
An antenna sheet includes a mounting section on which an integrated circuit (IC) chip electrically connected with an antenna pattern is mounted, a first loop forming section that extends from both ends of the mounting section that holds the IC chip therebetween and form...
01/19/2012
20120007787Planar Loop Antenna System
An inexpensive planar antenna fabricated as a plurality of parallel layers of multi turn spiral loops co-located with conductive material at the center of the loops, there being an exclusion zone free of conductive material between the innermost loop and the conductive ...
01/12/2012
20120001823Multilayer Film Element
The invention relates to a multilayer film element (1) and to a method for producing the same. The multilayer film element (1) comprises a flexible dielectric carrier layer having a layer thickness of less than 800 μm. Furthermore, it comprises a first el...
01/05/2012
20110279340ANTENNA AND WIRELESS IC DEVICE
An antenna for a wireless IC device having improved energy transfer efficiency with a wireless IC, and a wireless IC device equipped with the antenna are constructed such that the antenna includes a coil pattern and spiral coupling patterns provided at the ends of the c...
11/17/2011
20110273384ELECTROMAGNETIC ANTENNA LOOP LAYOUT
An electromagnetic antenna loop layout for use with an electromagnetic input apparatus is disclosed. The electromagnetic antenna loop layout comprises a plurality of electromagnetic antenna loops in parallel in each other, wherein each electromagnetic antenna loop has a...
11/10/2011
20110227588LAYOUT FOR ANTENNA LOOPS HAVING BOTH FUNCTIONS OF CAPACITANCE INDUCTION AND ELECTROMAGNETIC INDUCTION
The present invention relates to a layout for antenna loops having both functions of capacitance induction and electromagnetic induction, and particularly relates to the layout for antenna loops having both functions of capacitance induction and electromagnetic inductio...
09/22/2011
20110210900SYSTEMS AND METHODS FOR PROVIDING DIRECTIONAL RADIATION FIELDS USING DISTRIBUTED LOADED MONOPOLE ANTENNAS
An antenna system is disclosed that provides a directional radiation field. The antenna system includes at least two monopole antennas, each of which provides a differential connector. Each differential connector is associated with a signal having a different phase such...
09/01/2011
20110195661ANTENNA DEVICE
To provide an antenna device capable of diminishing gain changes caused by a human body. An antenna device has a magnetic current antenna 401 that takes a magnetic current as a source of emission; an electric current antenna 402 that takes an electric curr...
08/11/2011
20110169702Antenna Module for Producing a Transponder, and a Transponder
The present invention relates to an antenna module (45) for producing a transponder, wherein the antenna module comprises an antenna conductor arrangement disposed on a substrate surface (46) of a substrate (47) and having an antenna conductor (5...
07/14/2011
20110136447BEZEL GAP ANTENNAS
Electronic devices are provided that contain wireless communications circuitry. The wireless communications circuitry may include radio-frequency transceiver circuitry and antenna structures. A parallel-fed loop antenna may be formed from portions of an electronic devic...
06/09/2011
20110128206Multi-Antenna Apparatus and Mobile Device
This multi-antenna apparatus includes a first looped antenna element wound from a first end of the first looped antenna element on a side of a first feeding point in a prescribed direction, a second looped antenna element wound from a first end of the second looped ante...
06/02/2011
20110084146IC CARD
A contactless IC card which ensures the reliability of an IC chip mounted therein. Even if the distance between the contactless IC card and a reader/writer is too short, the card prevents an excessive voltage from being applied to the IC chip so that breakdown or reliab...
04/14/2011
20110065383FOCUSED ANTENNA, MULTI-PURPOSE ANTENNA, AND METHODS RELATED THERETO
Exemplary embodiments are directed to a device including a focused antenna. A device may include a minor plane surface and an antenna positioned proximate the minor plane surface. The antenna may be configured for generating a field focused around the minor plane surfac...
03/17/2011
20110043431ANTENNA ARRANGEMENT HAVING AT LEAST TWO DECOUPLED ANTENNA COILS; RF COMPONENT FOR NON-CONTACT TRANSMISSION OF ENERGY AND DATA; ELECTRONIC DEVICE HAVING RF COMPONENT
There is provided an antenna arrangement for RF systems. An exemplary antenna arrangement comprises at least two antenna coils that are installed on a flat, non-conductive carrier. The first antenna coil as well as the second antenna coil comprise one or more windings t...
02/24/2011
20110025463Parallel Antennas for Contactless Device
An electronic information device includes an integrated circuit embedded within the device. The electronic information device further includes a first antenna that is embedded within the device and is connected to the integrated circuit. The electronic information devic...
02/03/2011
20110006967CHIP CARRIER FOR A TRANSPONDER MODULE AND TRANSPONDER MODULE
The present invention relates to a chip carrier (15) for contacting with a chip (16) and an antenna (13) disposed on an antenna substrate (17, 54, 61), wherein the chip carrier features a strip-shaped carrier substrate (18) which is pr...
01/13/2011
20100328173SINGLE FEED PLANAR DUAL-POLARIZATION MULTI-LOOP ELEMENT ANTENNA
Dual polarization in an antenna structure that results from a number of radiating elements arranged in a loop configuration. The antenna structure is excited by a single coaxial feedline in an interior portion of the antenna structure. The antenna structure may include ...
12/30/2010
20100309080COMPLEX ANTENNA AND COMMUNICATION DEVICE
A complex antenna which receives or transmits a plurality of electromagnetic waves of different frequencies is provided. A first one of the electromagnetic waves is an alternating magnetic flux. The complex antenna includes a first antenna which receives or transmits th...
12/09/2010
20100309088Near Field Communication
Apparatus including: an antenna configured for efficient far field communication at a first frequency; an inductive element including a plurality of series-connected coiled portions, including a first coiled portion and a second coiled portion, wherein the inductive ele...
12/09/2010
20100283698ANTENNA CIRCUIT, METHOD FOR REDUCING RESISTANCE OF ANTENNA CIRCUIT, AND TRANSPONDER
A method for reducing a resistance of an antenna circuit capable of obtaining a desired property by reducing wiring resistance to a suitable value while ensuring inductance is provided. An antenna circuit is disposed to a transponder having a carrier frequency band of 1...
11/11/2010
20100277378ANTENNA
The antenna includes a power-feeding radiation electrode and a non-power-feeding radiation electrode are provided adjacent to each other with a gap therebetween on the flexible substrate, which also is bendable. The power-feeding radiation electrode is used to perform a...
11/04/2010
20100277393DUAL LOOP MAGNETIC EXCITATION FOR MAIL TAG
A logistical passage measurement system comprising an excitation unit having dual loop antennae, and a control box for exciting said antennae in order to generate a non-zero magnetic field at each point and each orientation in an immediate vicinity of said antennae....
11/04/2010
20100201487APPARATUS FOR IDENTIFYING & TRACKING MULTIPLE TOOLS AND DISPOSABLES
A method and apparatus for identifying and tracking instruments, in multiple instrument environments such as an operating room or a garage. Each instrument or disposable has attached thereto an identifying tag, such as an RFID tag. Each plane or location the instruments...
08/12/2010
20100194660PROXIMITY ANTENNA AND WIRELESS COMMUNICATION DEVICE
A proximity antenna includes a wiring pattern wound in a predetermined direction in a horizontal plane from a signal end to a ground end and a wiring pattern wound in a direction opposite to the predetermined direction in a horizontal plane from a signal end to a ground...
08/05/2010
20100164820ANTENNA
Disclosed is an antenna which has a simple structure and a small null angle, and which can achieve communication using a circularly-polarized wave.

The antenna includes a conductive wire which is arranged in loops in such a way as to form a...

07/01/2010
20100164492SHIELDED MULTIX COIL ARRAY FOR PARALLEL HIGH FIELD MRI
A coil arrangement (32) comprises individual coil segments (381, 382, . . . , 38n) disposed adjacently one another adjacent an examination field (14). At least one radio frequency shield (40) is ...
07/01/2010
20100131033ANTENNA SYSTEM WITH SAFETY MODE
The invention relates to an antenna system (AS) for an implantable device like a cardiac pacemaker or a cochlear implant. The antenna system comprises at least two DD coil units (L1, L2) coupled with their terminals (T1 1, T21, T 12, T...
05/27/2010
20100090824Miniature and Multi-Band RF Coil Design
A near field apparatus comprises a Radio Frequency (RF) coil including at least one of a shorting bridge from a first point to a second point along an electrical path of the RF coil and/or a discontinuity in the electrical path of the RF coil....
04/15/2010
20100075596Multi-Band Wireless Repeater
Wireless repeaters comprising antennae having high electrical isolation are presented. Multi-band antennae are placed on opposing sides of a conductive ground plane to achieve high electrical isolation, preferably higher than 30 dB. The antennae are preferably placed at...
03/25/2010
20100052999RADIO APPARATUS AND ANTENNA ADAPTED FOR CONTACTLESS COMMUNICATION
A radio apparatus having a casing and an antenna is provided. The casing has first, second and third faces. The second face and the third face correspond to a side face and another side face of the first face, respectively. The antenna is formed by a conductive line in ...
03/04/2010
20100013602H-Field Shaping Using a Shorting Loop
In one embodiment the present invention includes a radio frequency identification (RFID) system with a shorting loop. The shorting loop at least partially surrounds the antenna. The shorting loop distorts the electromagnetic field generated by the antenna to improve the...
01/21/2010
20090309803COIL PARTS
The invention provides a coil part used for an antenna coil that improves the production rate and enhances its sensitivity. A coil part used in a antenna coil has a cross shape core that includes: a first winding frame part extending a first direction and being provided...
12/17/2009
20090302847MULTI-AXIAL ANTENNA AND METHOD FOR USE IN DOWNHOLE TOOLS
Embodiments of a multi-axial antenna system and system for measuring subsurface formations are generally described herein. Other embodiments may be described and claimed. In some embodiments, the multi-axial antenna system comprising at least two co-located coils wound ...
12/10/2009
20090291635RADIO-FREQUENCY COMMUNICATION DEVICE, SYSTEM AND METHOD
The invention relates to a radio-frequency communication device comprising an inductive antenna in order to communicate with a transponder. According to the invention, the antenna is capable of establishing weak coupling with a transmitter which produces a magnetic fiel...
11/26/2009
20090284227RECEIVE ANTENNA FOR WIRELESS POWER TRANSFER
Exemplary embodiments are directed to wireless power transfer to an electronic circuit including a wireless charging receive antenna comprising a first loop of an energy receiving conductor and at least another loop of said energy receiving conductor electrically couple...
11/19/2009
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