Source: http://www.google.fr/patents/US7529312
Timestamp: 2015-01-26 06:25:56
Document Index: 64792653

Matched Legal Cases: ['Application No. 250294', 'Application No. 2503532', 'Application No. 2503530', 'Application No. 2515167', 'Application No. 2487817', 'Application No. 2484313', 'Application No. 2442400', 'Application No. 2491259', 'Application No. 200410100591', 'Application No. 03757359', 'application No. 03794510', 'Application No. 04256234', 'Application No. 10', 'Application No. 03742400', 'Application No. 03777694', 'Application No. 03742393', 'Application No. 03774848', 'Application No. 03777627', 'Application No. 03742393', 'Application No. 03774848', 'Application No. 02728894', 'Application No. 07075745', 'Application No. 2004', 'Application No. 20026115', 'art 1', 'Application No. 092129629']

Brevet US7529312 - Layered modulation for terrestrial ATSC applications - Google�BrevetsRecherche Images Maps Play YouTube Actualit�s Gmail Drive Plus »Connexion Recherche avanc�e dans les brevets BrevetsSystems and methods are disclosed for applying layered modulation to an 8-VSB signal as used in the Advanced Television Systems Committee (ATSC) digital television signal. A system for transmitting the layered signal includes a first antenna for transmitting an upper layer signal comprising an 8-VSB...http://www.google.fr/patents/US7529312?utm_source=gb-gplus-shareBrevet US7529312 - Layered modulation for terrestrial ATSC applications Recherche avanc�e dans les brevets Num�ro de publicationUS7529312 B2Type de publicationOctroi Num�ro de demandeUS 10/693,135 Date de publication5 mai 2009 Date de d�p�t24 oct. 2003 Date de priorit�25 oct. 2002�tat de paiement des fraisPay�Autre r�f�rence de publicationUS20040091059 Num�ro de publication10693135, 693135, US 7529312 B2, US 7529312B2, US-B2-7529312, US7529312 B2, US7529312B2 InventeursErnest C. Chen Cessionnaire d'origineThe Directv Group, Inc.Exporter la citationBiBTeX, EndNote, RefManCitations de brevets (101), Citations hors brevets (95), R�f�renc� par (5), Classifications (14), �v�nements juridiques (2) Liens externes: USPTO, Cession USPTO, EspacenetLayered modulation for terrestrial ATSC applicationsUS 7529312 B2 R�sum� Systems and methods are disclosed for applying layered modulation to an 8-VSB signal as used in the Advanced Television Systems Committee (ATSC) digital television signal. A system for transmitting the layered signal includes a first antenna for transmitting an upper layer signal comprising an 8-VSB signal and a second antenna for transmitting a lower layer signal. A layered modulation signal comprises the upper layer signal and the lower layer signal both interfering in a common frequency band. At least one receiver demodulates the upper layer signal directly from the layered modulation signal and demodulates the lower layer signal after subtracting the upper layer signal from the layered modulation signal. The second antenna can have a selectively limited range so that the lower layer signal does not interfere with the upper layer signal in a range where the lower layer signal could not be demodulated.
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R�f�renc� par Brevet citant Date de d�p�t Date de publication D�posant TitreUS8418022 *8 f�vr. 20119 avr. 2013Allen LeRoy LimbergUtilization of non-systematic (207, 187) Reed-Solomon coding in mobile/hand-held digital television receiversUS8619895 *17 ao�t 201131 d�c. 2013Electronics And Telecommunications Research InstituteApparatus and method for transmitting/receiving broadcast data in digital broadcasting systemUS880460531 ao�t 201212 ao�t 2014The Directv Group, Inc.Feeder link configurations to support layered modulation for digital signalsUS20120044419 *17 ao�t 201123 f�vr. 2012Electronics And Telecommunications Research InstituteApparatus and method for transmitting/receiving broadcast data in digital broadcasting systemUS20120204080 *8 f�vr. 20119 ao�t 2012Limberg Allen LeroyUtilization of non-systematic (207, 187) Reed-Solomon coding in mobile/hand-held digital television receivers* Cit� par l'examinateurClassifications Classification aux �tats-Unis375/269, 375/265 Classification internationaleH04L27/02, H04L27/34, H04N5/44, H03C5/00, H04N11/24 Classification coop�rativeH04L27/3488, H04N5/4401, H04L27/02, H04N11/004 Classification europ�enneH04L27/34M, H04L27/02, H04N11/00H2�v�nements juridiques DateCode�v�nementDescription5 nov. 2012FPAYFee paymentYear of fee payment: 423 ao�t 2006ASAssignmentOwner name: DIRECTV GROUP, INC., THE, CALIFORNIAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CHEN, ERNEST C.;REEL/FRAME:018169/0018Effective date: 20060821Faire pivoterImage d'origineAccueil Google - Plan du site - T�l�chargements par lot sur l'USPTO - R�gles de confidentialit� - Conditions d'utilisation - � propos de Google�Brevets - Envoyer des commentairesDonn�es fournies par IFI CLAIMS Patent Services