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Matches 351 - 400 out of 4,655

Document Document Title
WO/2010/143849
The present invention is disclosed to provide an NFC antenna using dual resonance, wherein a closed circuit is formed by a capacitor and a loop antenna, and a relay unit is attached to a portable wireless terminal that forms a resonance ...  
WO/2010/144229
An antenna includes a dipole radiator region forming a series resonant tank having a first quality factor value Q1, and a loop compensator/radiator region integral with the dipole region and forming a parallel resonant tank having a seco...  
WO/2010/143849
The present invention is disclosed to provide an NFC antenna using dual resonance, wherein a closed circuit is formed by a capacitor and a loop antenna, and a relay unit is attached to a portable wireless terminal that forms a resonance ...  
WO/2010/137210
Provided is a portable wireless device having high water/dust resistance without deteriorating robustness and antenna characteristics, while having reduced dimensions. A portable wireless device (100) has a first case member (11) and a s...  
WO/2010/137605
Disclosed is a communication device whereby, in particular, variations in resonant frequency and maximum communication distance can be reduced in comparison to existing devices. The disclosed communication device (10) is provided with a ...  
WO/2010/134135
A payment system provided with a payment device which performs payment with electronic money and a portable noncontact IC card case into which a noncontact IC card containing payment information to be used for the payment can be inserted...  
WO/2010/131683
Provided is an antenna device that is thinner overall while maintaining the communication characteristics thereof. Said antenna device comprises an antenna substrate (11), an insulating layer (112) of which has an antenna coil (11a) moun...  
WO/2010/132031
An antenna circuit (A) is fed with a signal, to whose frequency it should be tuned. Its reactance changes stepwise according to an algorithm implemented in a controller (C). A voltage phases at terminals (1, 2) of an element (c0, c1,...,...  
WO/2010/131524
Provided is a circuit board wherein impedance matching between an antenna coil and an electronic component electrically connected with the antenna coil is more correctly made. A circuit module is also provided. A substrate main body (11)...  
WO/2010/130603
An antenna device (12) operable in at least a first lower frequency band and a second higher frequency band comprises a first radiating element (16), which operates in the first frequency band and has a first and a second (20) opposite e...  
WO/2010/129139
An antenna may comprise a first loop, a second loop, and a third loop, which are arranged to have a common intersection point on an axis that is common to the first, second, and the third loop. The first, second, and the third loop are m...  
WO/2010/129139
An antenna may comprise a first loop, a second loop, and a third loop, which are arranged to have a common intersection point on an axis that is common to the first, second, and the third loop. The first, second, and the third loop are m...  
WO/2010/124811
The invention relates to an improved magnetic-coupling near-field RFID antenna characterized by the following features: the near-field RFID antenna (11) is configured as a magnetic H-field-coupler; the near-field RFID antenna (11) is a l...  
WO/2010/126549
This invention relates to dynamically controlled, electronic article surveillance (EAS) systems whereby an array of antenna elements is digitally phased and actively driven for concurrent transmission, and digitally phased and combined i...  
WO/2010/125614
A portable non-contact IC card case into which a non-contact IC card can be inserted is provided with an antenna for the non-contact IC card communicable with the inserted non-contact IC card, an antenna for human-body communication, and...  
WO/2010/123245
The present invention provides an antenna having a pipe structure in which a magnetic medium or a dielectric medium is inserted. The antenna has a pipe structure in which a magnetic medium or a dielectric medium is inserted, wherein said...  
WO/2010/122888
An antenna apparatus which is capable of stable communication even when the size of said antenna apparatus is relatively smaller than the antenna of another party being communicated with, and even when two communicating antennas are disp...  
WO/2010/123245
The present invention provides an antenna having a pipe structure in which a magnetic medium or a dielectric medium is inserted. The antenna has a pipe structure in which a magnetic medium or a dielectric medium is inserted, wherein said...  
WO/2010/122685
A coil conductor (31) of an antenna coil module (3) and a conductor layer (2) overlap at least partially. Current runs in the conductor layer (2) to block the magnetic field generated by current running in the coil conductor (31). Then, ...  
WO/2010/120807
A low frequency inductive two-way radio transceiver tag is provided that has separate antennas for transmitting and receiving signals within a reading volume. Thus, the tag of the invention includes both a transmit antenna and a receivin...  
WO/2010/113751
Provided is a composite RF tag for transmitting/receiving information using an electromagnetic induction system. The composite RF tag is composed of a magnetic material antenna having an IC mounted thereon, and a resin layer formed aroun...  
WO/2010/113029
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 (15) that feeds power to the loop metal wires or a power receivin...  
WO/2010/113024
An antenna device that radiates or receives a radio wave includes: a first wire line (11); a second wire line (12) that is parallel to the first wire line (11); a power feeding/receiving point (13) that is provided at proximal portions o...  
WO/2010/110517  
WO/2010/110517
Disclosed is an antenna using a reactive element that is capable of individually controlling the respective resonance frequencies and resonance bandwidths. The antenna includes a radiator electrically coupled with a feeding point, a firs...  
WO/2010/106996
Disclosed is a high-frequency coupler used in high-frequency signal communication, that satisfies both a predetermined communication quality level and a desired thin thickness. The high-frequency coupler (1) has a circuit board (100) and...  
WO/2010/105273
A multi-band antenna array for use in wireless communication devices with up to three simultaneous operating modes with improved antenna efficiency and reduced antenna coupling across a broad range of operative frequency bands with reduc...  
WO/2010/104179
A signal processing circuit which does not require a circuit for adjusting the resonance frequency of a resonance circuit nor adjustment work for the same, and has a more compact size, and an antenna device of the same. The antenna reson...  
WO/2010/102093
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 coils symmetrically disposed about an axis o...  
WO/2010/102093
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 coils symmetrically disposed about an axis o...  
WO/2010/098142
A booklet reading device (1) is provided with a loop antenna (6) for reading recording information in an IC chip (5) mounted in a passport (2) by means of radio communication, an image reading surface (3) for optically reading image info...  
WO/2010/098658
There is disclosed an identification system which comprises electromagnetic identification means to be connected to objects, such as products, files, keys, file documents, suspension files and the like, and communication means provided w...  
WO/2010/099266
The wireless communication system (100) includes a first device (102), e.g., a radio frequency identification (RFID) reader, having a wireless power transmitter (104), a first wireless data communications unit (106), and a first dual pol...  
WO/2010/096368  
WO/2010/093660
The planar or printed chip antenna (10) is configured to enhance the gain relative to its area. The antenna includes a dielectric substrate (12) having first and second opposing sides and a plurality of electrically conductive traces (18...  
WO/2010/089914
Resonance frequency of an antenna device provided with a magnetic antenna can be adjusted to be increased and reduced, and the man-hour required for the adjustment is reduced. The antenna device is provided with: an inductance adjusting ...  
WO/2010/087429
Disclosed are an antenna for wireless IC devices that has good energy transmission efficiency with wireless ICs, and a wireless IC device that is equipped with said antenna. An antenna (30) comprises a coil pattern (31) and spiral coupli...  
WO/2010/086208
An antenna for receiving and/or transmitting radio frequency signals in a predetermined frequency band, the antenna comprising: a first antenna portion comprising at least one conducting loop about a first materia! having an initial perm...  
WO/2010/087783
An antenna and method for manufacturing the same. The antenna comprises a plurality of metal layers separated from each other by respective dielectric layers wherein a bottom metal layer comprises a closed loop while remaining metal laye...  
WO/2010/087413
Provided is a RF tag wherein an IC is mounted on a magnetic antenna which transmits/receives information using an electromagnetic induction system. In the magnetic antenna, a plurality of coils wherein the inductance (L1) satisfies a spe...  
WO/2010/086208
An antenna for receiving and/or transmitting radio frequency signals in a predetermined frequency band, the antenna comprising: a first antenna portion comprising at least one conducting loop about a first materia! having an initial perm...  
WO/2010/079830
Provided is a wireless IC module that functions as an RFID system even when a metal article is mounted thereon. A loop electrode (7) is formed on the mounting surface of a wireless IC module (6) so that the loop face of the loop electrod...  
WO/2010/079666
Provided is an antenna structure which can be incorporated by utilizing the space of a communication apparatus efficiently and exhibits good characteristics while reducing the cost. An antenna coil (11) which is incorporated in a cellul...  
WO/2010/079536
First and second antennas (1, 2) are arranged such that a distance between a wireless tag (8) and the first antenna (1) is shorter than that between the wireless tag (8) and the second antenna (2). A judging section (5) is provided for j...  
WO/2010/073577
An antenna core is provided with a laminate having a plurality of thin strips of Co-based amorphous magnetic alloy, the ratio of the length of the long axis of said thin strips with respect to the length of the short axis being greater t...  
WO/2010/070401
An antenna assembly generally includes an antenna element, an amplifier, and an electronics protection system coupled generally between the antenna element and the amplifier for filtering cross-talk and/or for protecting against electros...  
WO/2010/071087
The resonant receiving antenna has an annular magnetic core that forms a closed magnetic path having one gap, one or multiple coils wound around the aforementioned annular magnetic core, and capacitors connected in parallel to both ends ...  
WO/2010/066799
The invention relates to an RFID/NFC antenna circuit, comprising an antenna (L) made of at least three turns (S) on a substrate, the antenna having a first end terminal (D) and a second end terminal (E), two access terminals (1, 2) for c...  
WO/2010/066955
The invention relates to an RFID/NFC antenna circuit, comprising an antenna (L) made up of at least three turns (S) on a substrate, the antenna having a first end terminal (D) and a second end terminal (E), two access points (1, 2) for c...  
WO/2010/067706
Provided is a noncontact information medium including: a loop antenna which has a main loop arranged substantially around the entire circumference of a predetermined region on a flat plane and a coil which is wound in a region having an ...  

Matches 351 - 400 out of 4,655