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1. (WO2007001059) FOCUS CONTROL METHOD AND UNIT
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2007/001059 International Application No.: PCT/JP2006/313037
Publication Date: 04.01.2007 International Filing Date: 23.06.2006
IPC:
H04N 5/232 (2006.01)
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
N
PICTORIAL COMMUNICATION, e.g. TELEVISION
5
Details of television systems
222
Studio circuitry; Studio devices; Studio equipment
225
Television cameras
232
Devices for controlling television cameras, e.g. remote control
Applicants:
CANON KABUSHIKI KAISHA [JP/JP]; 3-30-2, Shimomaruko, Ohta-ku, Tokyo 1468501, JP (AllExceptUS)
HIRAI, Shinya [JP/JP]; JP (UsOnly)
Inventors:
HIRAI, Shinya; JP
Agent:
OHTSUKA, Yasunori; 7th FL. SHUWA KIOICHO PARK BLDG. 3-6, KIOICHO CHIYODA-KU Tokyo 1020094, JP
Priority Data:
2005-19050529.06.2005JP
Title (EN) FOCUS CONTROL METHOD AND UNIT
(FR) PROCEDE ET UNITE DE MISE AU POINT
Abstract:
(EN) A focus control method is provided that performs focus control by sensing a plurality of images of an object while moving a position of a focusing lens and determining in-focus positions in auto focusing areas located at a plurality of positions. The focus control method calculates an in-focus position of the focusing lens based on the focusing lens position at the time of reading an image signal of each of the auto focusing areas and a degree of focused state of each of the auto focusing area that is based on the image signal of each of the auto focusing areas.
(FR) L'invention concerne un procédé de mise au point consistant à effectuer une mise au point par détection d'une pluralité d'images d'un objet pendant le mouvement d'un objectif de mise au point, et à déterminer les positions de mise au point dans des zones de mise au point automatique (AF) situées dans une pluralité de positions. Ce procédé de mise au point permet de calculer la position de mise au point d'un objectif en fonction de la position de l'objectif de mise au point au moment de la lecture d'un signal d'image en provenance de chacune des zones de mise au point automatique, et le degré de mise au point pour chaque zone de mise au point automatique en fonction du signal image de chacune de ces zones de mise au point automatique.
front page image
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HN, HR, HU, ID, IL, IN, IS, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LV, LY, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, SY, 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, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
EP1908277US20080292298EP2445196CN101213832