ClassID:

214305

H01Q7/08 - page 2 - CPC Classification

Classification description:

Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material Ferrite rod or like elongated core

Recent Application in this class:
#301
20100321267
2010-12-23

Antenna device

#302
20100277387
2010-11-04

Space efficient magnetic antenna method

#303
20100237976
2010-09-23

LOW-PROFILE INDUCTIVE COIL AND METHOND OF MANUFACTURE

#304
20100219694
2010-09-02

Wireless energy transfer in lossy environments

#305
20100201203
2010-08-12

Wireless energy transfer with feedback control for lighting applications

#306
20100188307
2010-07-29

Antenna device and radio-wave receiver with such antenna device

#307
20100188180
2010-07-29

Magnetic element, and antenna device using the magnetic element

#308
20100164823
2010-07-01

Portable electronic device

#309
20100164822
2010-07-01

COIL FOR ANTENNA

#310
20100097895
2010-04-22

Radio-controlled timepiece and method of assembling the same

#311
20100084464
2010-04-08

Miniature Transponder and Identification System Including Said Transponder and a Suitable Reader

#312
20100081489
2010-04-01

Radio apparatus and antenna device for mobile radio system

#313
20100066626
2010-03-18

Three-axis antenna, antenna unit and receiving device

#314
20100060540
2010-03-11

Radio wave receiver with an antenna structure

#315
20090315553
2009-12-24

Axially symmetric vertical magnetic field component exciting sensor system

#316
20090309803
2009-12-17

Coil parts

#317
20090308934
2009-12-17

Sensor tag multiplane imaging system

#318
20090305657
2009-12-10

ANTENNA DEVICE AND RADIO WAVE-USING APPARATUS

#319
20090303760
2009-12-10

Resonant transformer systems and methods of use

#320
20090295664
2009-12-03

Antenna coil and antenna device

#321
20090295663
2009-12-03

Receiving antenna coil

#322
20090295641
2009-12-03

Method of locating the positions of wheels of a vehicle

#323
20090289860
2009-11-26

Active magnetic antenna with ferrite core

#324
20090284423
2009-11-19

Portable terminal and antenna module thereof for receiving broadcast signal

#325
20090284422
2009-11-19

High Gain antenna and magnetic preamplifier

#326
20090278689
2009-11-12

MINIATURE RESONATING MARKER ASSEMBLY

#327
20090273534
2009-11-05

Magnetic material antenna and ferrite sintered body

#328
20090256560
2009-10-15

Sensor system embedded in metal

#329
20090251997
2009-10-08

Radio wave receiving device with magnetic drive unit and antenna structure and electronic apparatus using the radio wave receiving device

#330
20090251376
2009-10-08

Directive bar-type antenna

#331
20090243952
2009-10-01

Antenna coil

#332
20090224608
2009-09-10

Ferrite antennas for wireless power transfer

#333
20090207083
2009-08-20

Antenna and radio-wave receiving device provided with antenna

#334
20090201771
2009-08-13

Electronic Timepiece With Internal Antenna

#335
20090197562
2009-08-06

Wireless audio signal receiver device for a hearing instrument

#336
20090196449
2009-08-06

Wireless audio signal receiver device for a hearing instrument

#337
20090179741
2009-07-16

Enhancing the efficiency of energy transfer to/from passive ID circuits using ferrite cores

#338
20090161491
2009-06-25

Antenna device and radio wave controlled timepiece

#339
20090160722
2009-06-25

Antenna formed of multiple loops

#340
20090160449
2009-06-25

Antennas for deep induction array tools with increased sensitivities

#341
20090134711
2009-05-28

Methods and systems for wireless energy and data transmission

#342
20090128437
2009-05-21

Antenna

#343
20090085807
2009-04-02

COIL ARRAY FOR AN ELECTROMAGNETIC TRACKING SYSTEM

#344
20090073068
2009-03-19

Rod antenna device

#345
20090058590
2009-03-05

Electronic component and method for fixing the same

#346
20090057606
2009-03-05

Ferrite material and method for producing ferrite material

#347
20090051606
2009-02-26

ELECTRONIC CIRCUIT MODULE WITH BUILT-IN ANTENNA AND METHOD FOR MANUFACTURING THE SAME

#348
20090046879
2009-02-19

Multipurpose antenna unit and a hearing aid comprising a multipurpose antenna unit

#349
20090041285
2009-02-12

Wireless communications headset system employing a loop transmitter that fits around the pinna

#350
20090015383
2009-01-15

Inductively coupled extension antenna for a radio frequency identification reader

#351
20090009418
2009-01-08

Miniature transponders

#352
20090009415
2009-01-08

RFID antenna and methods

#353
20090009406
2009-01-08

Miniature combo built-in antenna structure

#354
20080309446
2008-12-18

Arrangement Comprising an Inductive Component

#355
20080293373
2008-11-27

Electronic device having metal outer case and antenna therein

#356
20080278392
2008-11-13

Extremely miniaturized digital antenna having switchable multiple bandwidths

#357
20080252551
2008-10-16

Coil antenna and portable electronic apparatus

#358
20080246675
2008-10-09

Field Winding

#359
20080246571
2008-10-09

Magnetic Core, Magnetic Arrangement and Method for Producing the Magnetic Core

#360
20080238803
2008-10-02

EXTREMELY MINIATURIZED FM FREQUENCY BAND ANTENNA

#361
20080238799
2008-10-02

Near field communication antenna and mobile device

#362
20080165072
2008-07-10

High gain antenna and magnetic preamplifier

#363
20080100522
2008-05-01

Antenna device and door handle device

#364
20080094942
2008-04-24

Electronic timepiece with wireless information function

#365
20080080320
2008-04-03

Electronic apparatus and timepiece

#366
20080068129
2008-03-20

Bobbin for bar antenna, antenna and door handle for a vehicle

#367
20080036672
2008-02-14

Antenna coil

#368
20080036671
2008-02-14

Hexagonal ferrite, antenna using the same and communication apparatus

#369
20080030423
2008-02-07

Antenna device

#370
20080022511
2008-01-31

METHOD OF MANUFACTURING MAGNETIC CORE, MAGNETIC CORE, ELECTROMAGNETIC TRANSDUCER, CLOCK, AND ELECTRONIC DEVICE

#371
20080021522
2008-01-24

TELEMETRY ANTENNAS FOR IMPLANTABLE MEDICAL DEVICES

#372
20080007474
2008-01-10

Antenna and electronic device

#373
20080007473
2008-01-10

Antenna coil to be mounted on a circuit board and antenna device

#374
20080003457
2008-01-03

HIGH-FREQUENCY MAGNETIC CORE MATERIAL, ITS MANUFACTURING METHOD, AND ANTENNA INCLUDING THE MAGNETIC CORE MATERIAL

#375
20080001756
2008-01-03

System for spatially adjustable excitation of leadless miniature marker

#376
20070273596
2007-11-29

Embedded door handle antenna apparatus comprising a magnetic core

#377
20070247387
2007-10-25

Portable electronic device

#378
20070229369
2007-10-04

Wireless audio signal receiver device for a hearing instrument

#379
20070222695
2007-09-27

High efficiency ferrite antenna system

#380
20070210975
2007-09-13

Antenna device and radio wave controlled timepiece

#381
20070195001
2007-08-23

Three-axis antenna, antenna unit, and receiving device

#382
20070171020
2007-07-26

Coil

#383
20070146119
2007-06-28

Door open-close device

#384
20070139288
2007-06-21

Waterproof antenna device

#385
20070139284
2007-06-21

Method and apparatus for a wireless hearing aid antenna

#386
20070132648
2007-06-14

Antenna device and electronic equipment comprising the antenna device

#387
20070120758
2007-05-31

Antenna structure and radio-controlled timepiece

#388
20070120739
2007-05-31

Method of and apparatus for eliminating quadrature-generated signals in magnetic cross-loop antennas

#389
20070115198
2007-05-24

Shielded coil for inductive wireless applications

#390
20070097011
2007-05-03

Antenna coil

#391
20070094863
2007-05-03

Wound coil and surface-mounted coil

#392
20070091009
2007-04-26

Inductive miniature component, especially antenna

#393
20070091007
2007-04-26

Coil antenna

#394
20070080882
2007-04-12

Antenna device and communication system using it

#395
20070075913
2007-04-05

Antenna coil and antenna device

#396
20070069961
2007-03-29

Magnetic core member for antenna module, antenna module and portable information terminal equipped with antenna module

#397
20070057794
2007-03-15

Miniature resonating marker assembly

#398
20070052600
2007-03-08

Coil antenna structure and portable electronic apparatus

#399
20070024516
2007-02-01

Antenna, and radio-controlled timepiece, keyless entry system and RFID system

#400
20070001917
2007-01-04

Electronic device and antenna apparatus

#401
20060267854
2006-11-30

Card type wireless device, antenna coil, and method for manufacturing communication module

#402
20060267853
2006-11-30

Card type wireless device, antenna coil, and method for manufacturing communication module

#403
20060250896
2006-11-09

Electronic timepiece with radio communication function

#404
20060247711
2006-11-02

Telemetry antennas for implantable medical devices

#405
20060244673
2006-11-02

Space efficient magnetic antenna system

#406
20060241422
2006-10-26

Antenna for in-vivo imaging system

#407
20060227060
2006-10-12

Method for implementing an antenna system

#408
20060220971
2006-10-05

Mounting type receiver, mounting type transmitter, mounting type transmitter-receiver, antenna, receiver, transmitter, and transmitter-receiver

#409
20060214866
2006-09-28

Antenna, and radio timepiece using the same, keyless entry system, and RFID system

#410
20060214859
2006-09-28

Antenna apparatus

#411
20060192725
2006-08-31

Tuned antenna ID reader

#412
20060187139
2006-08-24

Antenna frame, antenna structure, and watch type wave clock having the antenna structure

#413
20060176230
2006-08-10

Antenna structure and wave clock having the antenna structure, and method for manufacturing the antenna structure

#414
20060176229
2006-08-10

Core antenna for EAS and RFID applications

#415
20060164311
2006-07-27

Antenna device

#416
20060152427
2006-07-13

Antenna coil

#417
20060139227
2006-06-29

Antenna device having enhanced reception sensitivity in wide bands

#418
20060139226
2006-06-29

Antenna device having enhanced reception sensitivity in wide bands

#419
20060132352
2006-06-22

Near field location system and method

#420
20060114162
2006-06-01

Antenna, watch provided with the antenna, and method of manufacturing the antenna

#421
20060109188
2006-05-25

Electronic device having metal package unit having built-in antenna unit

#422
20060086804
2006-04-27

Communication device and package thereof

#423
20060066498
2006-03-30

Antenna and electronic device

#424
20060043973
2006-03-02

Co-located antennas

#425
20060022887
2006-02-02

Ruggedized multi-layer printed circuit board based downhole antenna

#426
20060022886
2006-02-02

Antenna core

#427
20050270249
2005-12-08

Antenna coil

#428
20050270248
2005-12-08

Micro-helix antenna and methods for making same

#429
20050248493
2005-11-10

Antenna having a core material of laminated thin magnetic plates that are divided to be wider at end portions of the core material

#430
20050237254
2005-10-27

Coil antenna

#431
20050237241
2005-10-27

Antenna for radio frequency identification reader

#432
20050231429
2005-10-20

Antenna module

#433
20050219139
2005-10-06

Antenna coil

#434
20050195689
2005-09-08

Electronic timepiece with radio communication function

#435
20050195084
2005-09-08

System for spatially adjustable excitation of leadless miniature marker

#436
20050176391
2005-08-11

System and method for sample detection based on low-frequency spectral components

#437
20050168396
2005-08-04

Method and apparatus for a wireless hearing aid antenna

#438
20050152063
2005-07-14

Method of manufacturing magnetic head

#439
20050146472
2005-07-07

Antenna structure and radio controlled timepiece

#440
20050134515
2005-06-23

Nanocrystalline core antenna for EAS and RFID applications

#441
20050122270
2005-06-09

Electronic device and antenna apparatus

#442
20050088357
2005-04-28

System and method for multiple antennas having a single core

#443
20050078045
2005-04-14

Antenna and wristwatch

#444
20050073466
2005-04-07

Helical coil, Magnetic core antenna

#445
20050030251
2005-02-10

Antenna coil and transmission antenna

#446
20050030243
2005-02-10

Antenna and communication system using the same

#447
16583679
2020-12-01

Ring-shaped devices with combined bluetooth and near-field communication antenna assemblies

#448
16510450
2020-09-01

Data transmission system

#449
15904822
2019-10-15

Magnetic antenna structures having improved gain bandwidth performance

#450
15016253
2017-10-31

NFC antenna system for metalized devices

#451
14684487
2017-07-11

Scalable vertical buoyant cable antenna

#452
13021431
2016-11-29

Animal body antenna