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1. (WO2018099128) METHOD AND DEVICE USED IN PROJECTION APPARATUS
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Pub. No.: WO/2018/099128 International Application No.: PCT/CN2017/096563
Publication Date: 07.06.2018 International Filing Date: 09.08.2017
IPC:
H04N 9/31 (2006.01) ,G03B 21/53 (2006.01)
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
N
PICTORIAL COMMUNICATION, e.g. TELEVISION
9
Details of colour television systems
12
Picture reproducers
31
Projection devices for colour picture display
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
21
Projectors or projection-type viewers; Accessories therefor
14
Details
53
Means for automatic focusing, e.g. to compensate thermal effects
Applicants:
西安中兴新软件有限责任公司 XI'AN ZHONGXING NEW SOFTWARE CO. LTD. [CN/CN]; 中国陕西省西安市 高新区长安通讯产业园东西四号路1号 No. 1 Dongxi Sihao Road, Communication Industrial Park, Hi-tech District Xi'an, Shaanxi 710114, CN
Inventors:
田云云 TIAN, Yunyun; CN
Agent:
北京安信方达知识产权代理有限公司 AFD CHINA INTELLECTUAL PROPERTY LAW OFFICE; 中国北京市 海淀区学清路8号B座1601A Suite B 1601A, 8 Xue Qing Rd., Haidian Beijing 100192, CN
Priority Data:
201611092313.X30.11.2016CN
Title (EN) METHOD AND DEVICE USED IN PROJECTION APPARATUS
(FR) PROCÉDÉ ET DISPOSITIF UTILISÉS DANS UN APPAREIL DE PROJECTION
(ZH) 一种应用于投影设备的方法及装置
Abstract:
(EN) A method used in a projection apparatus, comprising: obtaining first display interface information; obtaining a distance between a projection apparatus and a display interface; and determining a first focal length according to the distance and the first display interface information, and adjusting the focal length of a lens in the projection apparatus to the first focal length.
(FR) La présente invention concerne un procédé utilisé dans un appareil de projection qui comprend les étapes consistant : à obtenir des premières informations d'interface d'affichage ; à obtenir une distance entre un appareil de projection et une interface d'affichage ; et à déterminer une première longueur focale selon la distance et les premières informations d'interface d'affichage et à régler la longueur focale d'une lentille dans l'appareil de projection à la première longueur focale.
(ZH) 一种应用于投影设备的方法,获取第一显示界面信息;获取投影设备与显示界面的距离;根据所述距离和所述第一显示界面信息确定出第一焦距,将投影设备中透镜的焦距调整为所述第一焦距。
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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: Chinese (ZH)
Filing Language: Chinese (ZH)