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1. (WO2018179980) PROJECTION DEVICE, PROJECTION IMAGE CONTROL METHOD, AND RECORDING MEDIUM HAVING PROJECTION IMAGE CONTROL PROGRAM RECORDED THEREON
Latest bibliographic data on file with the International BureauSubmit observation

Pub. No.: WO/2018/179980 International Application No.: PCT/JP2018/005571
Publication Date: 04.10.2018 International Filing Date: 16.02.2018
IPC:
H04N 5/74 (2006.01) ,G02B 5/32 (2006.01) ,G03B 21/14 (2006.01) ,G09G 5/00 (2006.01) ,H04N 9/31 (2006.01)
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
N
PICTORIAL COMMUNICATION, e.g. TELEVISION
5
Details of television systems
74
Projection arrangements for image reproduction, e.g. using eidophor
G PHYSICS
02
OPTICS
B
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
5
Optical elements other than lenses
32
Holograms used as optical elements
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
G PHYSICS
09
EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
G
ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
5
Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
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
Applicants:
日本電気株式会社 NEC CORPORATION [JP/JP]; 東京都港区芝五丁目7番1号 7-1, Shiba 5-chome, Minato-ku, Tokyo 1088001, JP
NECプラットフォームズ株式会社 NEC PLATFORMS, LTD. [JP/JP]; 神奈川県川崎市高津区北見方二丁目6番1号 2-6-1, Kitamikata, Takatsu-ku, Kawasaki-shi, Kanagawa 2138511, JP
Inventors:
京砂 悟 KYOSUNA, Satoshi; JP
小松 聖 KOMATSU, Satoshi; JP
津田 尋史 TSUDA, Hirofumi; JP
Agent:
池田 憲保 IKEDA, Noriyasu; JP
佐々木 敬 SASAKI, Takashi; JP
Priority Data:
2017-06954131.03.2017JP
Title (EN) PROJECTION DEVICE, PROJECTION IMAGE CONTROL METHOD, AND RECORDING MEDIUM HAVING PROJECTION IMAGE CONTROL PROGRAM RECORDED THEREON
(FR) DISPOSITIF DE PROJECTION, PROCÉDÉ DE COMMANDE D'IMAGE DE PROJECTION, ET SUPPORT D'ENREGISTREMENT SUR LEQUEL EST ENREGISTRÉ UN PROGRAMME DE COMMANDE D'IMAGE DE PROJECTION
(JA) 投射装置、投射画像制御方法、および投射画像制御プログラムが記録された記録媒体
Abstract:
(EN) Provided is a projection device with which an improved projection image quality can be obtained without employing physical or optical countermeasures, and with which speckles can be reduced. The projection device is provided with at least: a laser light source which emits laser light; a conversion means which converts the laser light into parallel light; a phase-modulation-type spatial modulation element which phase-modulates the parallel light on the basis of a supplied projection image and delivers phase-modulated light; and a control unit. The control unit includes: a projection image storage unit in which at least one projection image group is stored; a processing unit which, with respect to one projection image acquired from the projection image storage unit in synchronism with an update period, generates a combination of a plurality of diffraction patterns in the update period; and a projection image generation unit which supplies the combination of a plurality of diffraction patterns to the phase-modulation-type spatial modulation element as the supplied projection image.
(FR) L'invention concerne un dispositif de projection à l'aide duquel une qualité améliorée d'image de projection peut être obtenue sans faire appel à des contre-mesures physiques ou optiques, et à l'aide duquel les tavelures peuvent être réduites. Le dispositif de projection comporte au moins: une source lumineuse à laser qui émet une lumière laser; un moyen de conversion qui convertit la lumière laser en lumière parallèle; un élément de modulation spatiale à modulation de phase qui module en phase la lumière parallèle sur la base d'une image de projection fournie et délivre une lumière modulée en phase; et une unité de commande. L'unité de commande comprend: une unité de stockage d'images de projection dans laquelle au moins une image de projection groupe est stockée; une unité de traitement qui, par rapport à une image de projection acquise à partir de l'unité de stockage d'images de projection en synchronisme avec une période de mise à jour, génère une combinaison d'une pluralité de motifs de diffraction durant la période de mise à jour; et une unité de génération d'images de projection qui fournit la combinaison d'une pluralité de motifs de diffraction à l'élément de modulation spatiale à modulation de phase en tant qu'image de projection fournie.
(JA) 物理的或いは光学的な対策を用いずに、投射像の画質を向上させるとともにスペックルを低減させることができる投射装置を提供する。投射装置は、レーザ光を発するレーザ光源と、レーザ光を平行光に変換する変換手段と、並行光を供給投射画像に基づいて位相変調して、位相変調した光を送出する位相変調型空間変調素子と、制御部と、を少なくとも備える。制御部は、少なくとも1つの投射画像群を記憶する投射画像記憶部と、投射画像記憶部から更新周期に同期して取得した1つの投影画像に対して、更新周期内で複数の回折パターンの組み合わせを生成する処理部と、複数の回折パターンの組み合わせを、供給投射画像として位相変調型空間変調素子へ供給する投射画像生成部と、を有する。
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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 Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (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)