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1. (WO2019003614) INTERCHANGEABLE LENS DEVICE, IMAGE CAPTURING DEVICE, IMAGE CAPTURING SYSTEM, IMAGE CAPTURING METHOD AND PROGRAM
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Pub. No.: WO/2019/003614 International Application No.: PCT/JP2018/016829
Publication Date: 03.01.2019 International Filing Date: 25.04.2018
IPC:
G02B 7/08 (2006.01) ,G02B 7/34 (2006.01) ,G03B 13/36 (2006.01) ,G03B 17/14 (2006.01) ,H04N 5/232 (2006.01)
G PHYSICS
02
OPTICS
B
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
7
Mountings, adjusting means, or light-tight connections, for optical elements
02
for lenses
04
with mechanism for focusing or varying magnification
08
adapted to co-operate with a remote control mechanism
G PHYSICS
02
OPTICS
B
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
7
Mountings, adjusting means, or light-tight connections, for optical elements
28
Systems for automatic generation of focusing signals
34
using different areas in a pupil plane
G PHYSICS
03
PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
B
APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
13
Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
32
Means for focusing
34
Power focusing
36
Autofocus systems
G PHYSICS
03
PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
B
APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
17
Details of cameras or camera bodies; Accessories therefor
02
Bodies
12
with means for supporting objectives, supplementary lenses, filters, masks, or turrets
14
interchangeably
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:
ソニー株式会社 SONY CORPORATION [JP/JP]; 東京都港区港南1丁目7番1号 1-7-1, Konan, Minato-Ku, Tokyo 1080075, JP
Inventors:
伊藤 友臣 ITO, Tomoomi; JP
山蔦 良知 YAMATSUTA, Yoshinori; JP
藤井 真一 FUJII, Shinichi; JP
Agent:
宮田 正昭 MIYATA, Masaaki; JP
山田 英治 YAMADA, Eiji; JP
佐々木 榮二 SASAKI, Eiji; JP
澤田 俊夫 SAWADA, Toshio; JP
Priority Data:
2017-12482627.06.2017JP
Title (EN) INTERCHANGEABLE LENS DEVICE, IMAGE CAPTURING DEVICE, IMAGE CAPTURING SYSTEM, IMAGE CAPTURING METHOD AND PROGRAM
(FR) DISPOSITIF OBJECTIF INTERCHANGEABLE, DISPOSITIF DE CAPTURE D'IMAGE, SYSTÈME DE CAPTURE D'IMAGE, PROCÉDÉ DE CAPTURE D'IMAGE ET PROGRAMME
(JA) 交換レンズ装置、撮像装置、撮像システム、および方法、並びにプログラム
Abstract:
(EN) Provided are a device and method which are capable of auto-focus (AF) processing with high accuracy during the operation of a focus lens or a zoom lens. This interchangeable lens acquires position information on the focus lens and the zoom lens at a prescribed time interval within an exposure period of a wave detection information acquisition pixel which is used for calculating a defocused amount (DF), and outputs the acquired position information to an image capturing device. The image capturing device calculates the defocused amount (DF) by using information on the wave detection information acquisition pixel, calculates a reference focus lens position (Ref_fc) by using a correspondence point, of the input lens position information, to a cam curve, and calculates a target focus lens position (Tgt_fc), which becomes a focusing position, from the reference focus lens position (Ref_fc) and the defocused amount (DF) to output the focusing position to the interchangeable lens.
(FR) L'invention concerne un dispositif et un procédé qui sont capables d'effectuer un traitement d'autofocus (AF) avec une haute précision pendant le fonctionnement d'un objectif de mise au point ou d'un objectif de zoom. Cet objectif interchangeable acquiert des informations de position sur l'objectif de mise au point et l'objectif de zoom à un intervalle de temps prédéterminé durant une période d'exposition d'un pixel d'acquisition d'informations de détection d'onde qui est utilisé pour calculer une quantité défocalisée (DF), et fournit les informations de position acquises à un dispositif de capture d'image. Le dispositif de capture d'image calcule la quantité défocalisée (DF) en utilisant des informations sur le pixel d'acquisition d'informations de détection d'onde, calcule une position d'objectif de mise au point de référence (Ref_fc) en utilisant un point de correspondance, des informations de position d'objectif d'entrée, avec une courbe de came, et calcule une position d'objectif de mise au point cible (Tgt_fc), qui devient une position de mise au point, à partir de la position d'objectif de mise au point de référence (Ref_fc) et de la quantité défocalisée (DF) pour fournir la position de mise au point à l'objectif interchangeable.
(JA) フォーカスレンズやズームレンズの動作中でも高精度なオートフォーカス(AF)処理を可能とした装置、方法を提供する。交換レンズはデフォーカス量(DF)算出に利用する検波情報取得画素の露光期間内に、所定時間間隔でフォーカスレンズとズームレンズの位置情報を取得して撮像装置に出力する。撮像装置は検波情報取得画素情報を利用してデフォーカス量(DF)を算出し、入力したレンズ位置情報のカムカーブの対応点を利用して基準フォーカスレンズ位置(Ref_fc)を算出し、基準フォーカスレンズ位置(Ref_fc)と、デフォーカス量(DF)から、合焦位置となるターゲットフォーカスレンズ位置(Tgt_fc)を算出して交換レンズに出力する。
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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, JO, 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: Japanese (JA)
Filing Language: Japanese (JA)