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1. (WO1997036425) VIDEO PROCESSING
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1997/036425    International Application No.:    PCT/GB1997/000641
Publication Date: 02.10.1997 International Filing Date: 07.03.1997
Chapter 2 Demand Filed:    29.08.1997    
H04N 7/15 (2006.01)
Applicants: BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY [GB/GB]; 81 Newgate Street, London EC1A 7AJ (GB) (For All Designated States Except US).
BURGESS, Gary, Dean [GB/GB]; (GB) (For US Only)
Inventors: BURGESS, Gary, Dean; (GB)
Agent: HIBBERT, Juliet, Jane, Grace; BT Group Legal Services, Intellectual Property Dept., 8th floor, 120 Holborn, London EC1N 2TE (GB)
Priority Data:
96302148.0 28.03.1996 EP
9606511.5 28.03.1996 GB
Abstract: front page image
(EN)Image processing apparatus comprising input means (51) for receiving input signals from n videoconferencing terminals, where n is an interger greater than or equal to 3, each input signal representing frames of a video signal, processing means for forming n composite signals each representing different combinations of at least two of the input signals, and means for transmitting the composite signals to the relevant videoconferencing terminal.
(FR)L'invention porte sur un appareil de traitement d'images comportant des moyens d'introduction (51) des signaux d'entrée de n terminaux de vidéoconférence, n étant un entier supérieur ou égal à 3, chacun de ces signaux d'entrée représentant les trames d'un signal vidéo; elle porte également sur des moyens de traitement servant à former n signaux composites représentant chacun différentes combinaisons d'au moins deux des signaux d'entrée, ainsi que sur des moyens de transmission des signaux composites vers le terminal de vidéoconférence concerné.
Designated States: AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, CA, CH, CN, CU, CZ, DE, DK, EE, ES, FI, GB, GE, GH, HU, IL, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MD, MG, MK, MN, MW, MX, NO, NZ, PL, PT, RO, RU, SD, SE, SG, SI, SK, TJ, TM, TR, TT, UA, UG, US, UZ, VN, YU.
African Regional Intellectual Property Organization (GH, KE, LS, MW, SD, SZ, UG)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, CH, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)