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Class Information
Number: 343/741
Name: Communications: radio wave antennas > Antennas > High frequency type loops
Description: Subject matter wherein a current path of appreciable electrical length is arranged as a substantially closed active loop having an appreciable electrical dimension between all opposing points on the loop together with structure or proportions to maintain a desired current distribution around the loop.










Sub-classes under this class:

Class Number Class Name Patents
343/743 Feed coupling at spaced points on loop 41
343/742 Plural 419
343/744 With series reactance in loop 137


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8710958 Containers having radio frequency identification tags and method of applying radio frequency identification tags to containers Apr. 29, 2014
8711046 Wide bandwidth hybrid antenna for combination EAS and RFID label or tag Apr. 29, 2014
8711047 Orthogonal tunable antenna array for wireless communication devices Apr. 29, 2014
8686916 Loop antenna Apr. 1, 2014
8686917 Locating technique and apparatus using an approximated dipole signal Apr. 1, 2014
8681063 Antenna device Mar. 25, 2014
8665172 Chip carrier for a transponder module and transponder module Mar. 4, 2014
8665162 Antenna with loop form radiator for mobile terminals Mar. 4, 2014
8665094 RFID tag-embedded casino chip Mar. 4, 2014
8659481 Internal printed antenna Feb. 25, 2014
8660487 Contactless data transmission Feb. 25, 2014
8654023 Multi-layered multi-band antenna with parasitic radiator Feb. 18, 2014
8643556 Receiving aerial for circularly polarized radio signals Feb. 4, 2014
8618993 Loop antenna Dec. 31, 2013
8610577 RFID system Dec. 17, 2013
8611827 System, method, and program for correcting radiowave environment data Dec. 17, 2013
8599083 Antenna for reception of circularly polarized satellite radio signals Dec. 3, 2013
8593359 Antenna Nov. 26, 2013
8558670 Electric power communication device, electric power communication system, electric power communication method, and program Oct. 15, 2013
8537063 Antenna for reception of satellite radio signals emitted circularly, in a direction of rotation of the polarization Sep. 17, 2013
8531298 Flexible RFID label Sep. 10, 2013
8514135 Protective circuit module and secondary battery pack including the same Aug. 20, 2013
8508417 Antenna and radio communication device Aug. 13, 2013
8503959 Mobile wireless communications device with diversity wireless local area network (LAN) antenna and related methods Aug. 6, 2013
8477065 Combined transmit/receive single-post antenna for HF/VHF radar Jul. 2, 2013
8441403 Security document May. 14, 2013
8427377 Antenna system Apr. 23, 2013
8368607 Antenna assemblies with antenna elements and reflectors Feb. 5, 2013
8368515 Dual mode RFID communication device operating as a reader or tag Feb. 5, 2013
8362961 Modulated antenna for wireless communications Jan. 29, 2013
8350674 RFID tag including a loop antenna and RFID system using the RFID tag Jan. 8, 2013
8330665 Antenna device and portable radio communication device comprising such antenna device Dec. 11, 2012
8314737 Antenna device and wireless communication apparatus including the same Nov. 20, 2012
8314740 RFID system Nov. 20, 2012
8279126 Communication device and system including the same Oct. 2, 2012
8259013 Protective circuit module and secondary battery pack including the same Sep. 4, 2012
8212730 Low profile full wavelength meandering antenna Jul. 3, 2012
8203488 Integrated circuit package including miniature antenna Jun. 19, 2012
8193939 Wireless IC device Jun. 5, 2012
8175546 Receive antenna interface for an RF transceiver May. 8, 2012
8164529 Loop antenna including impedance tuning gap and associated methods Apr. 24, 2012
8159409 Integrated patch antenna Apr. 17, 2012
8130158 Antenna apparatus and communication system including the same Mar. 6, 2012
8121574 Loop-type directional coupler Feb. 21, 2012
8111202 High frequency wave glass antenna for an automobile and window glass sheet for an automobile with the same Feb. 7, 2012
8098201 Radio frequency identification tag and radio frequency identification tag antenna Jan. 17, 2012
8063827 Antenna device and radio apparatus operable in multiple frequency bands Nov. 22, 2011
8059041 Diamond-shaped antenna receiving device Nov. 15, 2011
8059047 Capacitively loaded dipole antenna optimized for size Nov. 15, 2011
8059061 Subminiature internal antenna Nov. 15, 2011

1 2 3 4 5 6 7










 
 
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