Source: http://www.google.com/patents/US7786949?dq=7,181,560
Timestamp: 2014-09-18 06:07:49
Document Index: 391519751

Matched Legal Cases: ['Application No. 2007', 'Application No. 2008', 'Application No. 2008', 'Application No. 07706650', 'Application No. 2007', 'Application No. 2007', 'Application No. 2007']

Patent US7786949 - Antenna - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign in<nobr>Advanced Patent Search</nobr>PatentsAn antenna includes inductance elements that are magnetically coupled together, an LC series resonant circuit that includes one of the inductance elements and capacitance elements, and an LC series resonant circuit that includes another of the inductance elements and capacitance elements. The plurality...http://www.google.com/patents/US7786949?utm_source=gb-gplus-sharePatent US7786949 - AntennaAdvanced Patent SearchPublication numberUS7786949 B2Publication typeGrantApplication numberUS 11/928,502Publication dateAug 31, 2010Filing dateOct 30, 2007Priority dateApr 14, 2006Fee statusPaidAlso published asCN101331651A, CN101331651B, CN102780084A, CN102780085A, EP2009738A1, EP2009738A4, US7629942, US20080122724, US20080224935, WO2007119310A1Publication number11928502, 928502, US 7786949 B2, US 7786949B2, US-B2-7786949, US7786949 B2, US7786949B2InventorsNoboru KatoOriginal AssigneeMurata Manufacturing Co., Ltd.Export CitationBiBTeX, EndNote, RefManPatent Citations (101), Non-Patent Citations (32), Referenced by (4), Classifications (22), Legal Events (2) External Links: USPTO, USPTO Assignment, EspacenetAntennaUS 7786949 B2Abstract An antenna includes inductance elements that are magnetically coupled together, an LC series resonant circuit that includes one of the inductance elements and capacitance elements, and an LC series resonant circuit that includes another of the inductance elements and capacitance elements. The plurality of LC series resonant circuits are used to radiate radio waves and are used as inductances of a matching circuit that matches an impedance when a power supply side is viewed from power supply terminals and a radiation impedance of free space.
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No. 11/688,290, filed Mar. 20, 2007.24Official communication issued in counterpart International Application No. PCT/JP2007/054242, mailed on Oct. 23, 2008.25Official communication issued in counterpart Japanese Application No. 2007-550609, mailed on Feb. 12, 2008.26Official communication issued in counterpart Japanese Application No. 2008-103741, mailed on May 26, 2009.27Official communication issued in counterpart Japanese Application No. 2008-103742, mailed on May 26, 2009.28Official communication issued in European Application No. 07706650.4, mailed on Nov. 24, 2008.29Official communication issued in Japanese Application No. 2007-531524, mailed on Dec. 12, 2007.30Official communication issued in Japanese Application No. 2007-531524, mailed on Sep. 11, 2007.31Official communication issued in Japanese Application No. 2007-531525, mailed on Sep. 25, 2007.32Official communication issued in related U.S. Appl. No. 12/042,399; mailed on Aug. 25, 2008.Referenced byCiting PatentFiling datePublication dateApplicantTitleUS8723753 *Nov 1, 2011May 13, 2014Murata Manufacturing Co., Ltd.Antenna device and communication terminal apparatusUS8774712 *Apr 26, 2011Jul 8, 2014Sony CorporationContactless communication medium, antenna pattern-placed medium, communication apparatus, and antenna adjusting methodUS20110275318 *Apr 26, 2011Nov 10, 2011Sony CorporationContactless communication medium, antenna pattern-placed medium, communication apparatus, and antenna adjusting methodUS20120112979 *Nov 1, 2011May 10, 2012Murata Manufacturing Co., Ltd.Antenna device and communication terminal apparatus* Cited by examinerClassifications U.S. Classification343/860, 343/748, 343/867International ClassificationH01Q21/00, H01Q7/00, H01Q1/50Cooperative ClassificationH01Q9/27, H01Q1/38, H01Q1/50, H01Q7/00, H01Q5/0058, H01Q1/243, H01Q5/0072, H01Q5/0034European ClassificationH01Q5/00K2A2, H01Q5/00M, H01Q5/00K2C4A2, H01Q1/50, H01Q9/27, H01Q7/00, H01Q1/24A1A, H01Q1/38Legal EventsDateCodeEventDescriptionJan 29, 2014FPAYFee paymentYear of fee payment: 4Oct 30, 2007ASAssignmentOwner name: MURATA MANUFACTURING CO., LTD., JAPANFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:KATO, NOBORU;REEL/FRAME:020037/0356Effective date: 20070508RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services©2012 Google