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1. (WO2017151925) LINK TRAINING IN MULTIMEDIA INTERFACES
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Pub. No.: WO/2017/151925 International Application No.: PCT/US2017/020454
Publication Date: 08.09.2017 International Filing Date: 02.03.2017
IPC:
H04N 5/268 (2006.01) ,H04N 5/765 (2006.01) ,H04N 21/4363 (2011.01)
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
N
PICTORIAL COMMUNICATION, e.g. TELEVISION
5
Details of television systems
222
Studio circuitry; Studio devices; Studio equipment
262
Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects
268
Signal distribution or switching
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
N
PICTORIAL COMMUNICATION, e.g. TELEVISION
5
Details of television systems
76
Television signal recording
765
Interface circuits between an apparatus for recording and another apparatus
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
N
PICTORIAL COMMUNICATION, e.g. TELEVISION
21
Selective content distribution, e.g. interactive television, VOD [Video On Demand]
40
Client devices specifically adapted for the reception of, or interaction with, content, e.g. STB [set-top-box]; Operations thereof
43
Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronizing decoder's clock; Client middleware
436
Interfacing a local distribution network, e.g. communicating with another STB or inside the home
4363
Adapting the video stream to a specific local network, e.g. a IEEE 1394 or Bluetooth network
Applicants:
LATTICE SEMICONDUCTOR CORPORATION [US/US]; 111 SW 5th Avenue, Suite 700 Portland, OR 97204, US
Inventors:
AHN, Gijung; US
KIM, Min-kyu; US
SHIM, Daeyun; US
KIM, Gyudong; US
SUNG, Baegin; US
Agent:
AHN, Dohyun; US
JACOBSON, Anthony; US
YANG, Frank; US
AMSEL, Jason, E.; US
FARN, Michael, W.; US
Priority Data:
62/302,63402.03.2016US
Title (EN) LINK TRAINING IN MULTIMEDIA INTERFACES
(FR) APPRENTISSAGE DE LIAISON DANS DES INTERFACES MULTIMÉDIA
Abstract:
(EN) A source device and a sink device perform a link training process on a multimedia interface cable. The sink device includes one or more request registers. During the link training process, the sink device stores request codes in the request registers. Each request code is a request for the source device to perform a certain action. The source device reads the request codes and performs the corresponding actions. For example, if the source device reads request codes to send one or more training pattems, then the source device sends the training patterns over the multimedia link. In response to receiving the training patterns, the sink device can selects one or more updated request codes (e.g., to send different training patterns or to adjust link parameters, such as the link rate or a pre-emphasis level).
(FR) L'invention concerne un dispositif source et un dispositif récepteur qui effectuent un processus d'apprentissage de liaison sur un câble d'interface multimédia. Le dispositif récepteur comprend un ou plusieurs registres de demande. Pendant le processus d'apprentissage de liaison, le dispositif récepteur stocke des codes de demande dans les registres de demande. Chaque code de demande est une demande destinée au dispositif source d'exécution d'une certaine action. Le dispositif source lit les codes de demande et exécute les actions correspondantes. Par exemple, si le dispositif source lit des codes de demande d'envoi d'un ou de plusieurs modèles d'apprentissage, le dispositif source envoie ensuite les modèles d'apprentissage sur la liaison multimédia. En réponse à la réception des modèles d'apprentissage, le dispositif récepteur peut sélectionner un ou plusieurs codes de demande de mise à jour (par exemple, d'envoi de différents modèles d'apprentissage ou de réglage de paramètres de liaison, tels que la vitesse de liaison ou un niveau de préaccentuation).
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)