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    • 1. 发明授权
    • Multiple-level occulting using a mask buffer
    • US5619627A
    • 1997-04-08
    • US237285
    • 1994-05-03
    • Brian T. SoderbergDale D. MillerHenrik LindRichard JarvisMark Kenworthy
    • Brian T. SoderbergDale D. MillerHenrik LindRichard JarvisMark Kenworthy
    • H04N1/387G06T15/40G06T15/10
    • G06T15/40
    • Occulting apparatus for use with an image generator that provides for multiple-level occulting of image data. The occulting apparatus comprises a mask buffer and control logic for processing image data to construct and store an obscurance mask in the mask buffer. Foreground entities contained in the image data are logically ORed into the mask buffer until the entities extend beyond a predefined range from a predetermined image viewpoint. Thereafter, the mask is used by the control logic to reject entities contained in subsequently processed image data that are fully obscured by the foreground entities comprising the obscurance mask. The control logic includes an obscurance manager, a region processor, an object processor, a polygon processor, and insertion logic. The obscurance manager is a controller for building and applying the obscurance mask to the image data. The region, object, and polygon processors respectively process regions, objects, and polygons in the image to determine if they are obscured, reject obscured entities, and transmits unobscured entities to subsequent processors. The insertion logic processes unobscured polygons and applies them to the obscurance manager for storage and use by the respective region, object, and polygon processors. The present invention performs real-time occulting of all objects in an image scene, whether they are fixed or moving. Hidden area modules (large groups of objects in a geographic region), single objects, polygons, and pixels are sequentially filtered-out in real-time. The mask buffer and control logic provide three levels of occulting. A hybrid Z-buffer 51 provides pixel-level occulting. The present invention rejects regions, objects, and polygons, early in the graphics processing pipeline to reduce the number of required pixel processing computational elements in the image generator. By rendering objects generally from front to back, entities that are completely hidden by nearer objects can be detected and discarded before tiling and pixel processing.
    • 8. 发明授权
    • Mono-azo dyes and inks for ink-jet printing
    • 用于喷墨打印的单偶氮染料和油墨
    • US06514329B1
    • 2003-02-04
    • US09555895
    • 2000-06-05
    • Kathryn CarrMark Kenworthy
    • Kathryn CarrMark Kenworthy
    • C09D1100
    • C09D11/328C09B43/16
    • A mono-azo compound of Formula (1) or a salt thereof: wherein: A is N, C—Cl, C—CN or C—NO2; R1 is H or optionally substituted alkyl; G is H, sulpho, carboxy, optionally substituted alkyl, optionally substituted alkoxy, —CF3, halo or —PO3H2; L1 and L2 each independently is —SR2, —OR3 or —NR4R5; R2, R3, R4 and R5 each independently is H, optionally substituted alkyl or optionally substituted aryl; or R4 and R5 together with the nitrogen to which they are attached form an optionally substituted five or six membered ring; provided that L1 and L2 are free from carboxy, sulpho and —PO3H2 groups; and the use of a mono-azo compound of Formula (1) or a salt thereof in inks, an ink jet printing process using the inks, a substrate printed with the inks and an ink jet printer cartridge containing the inks.
    • 式(1)的单偶氮化合物或其盐:其中:A为N,C-Cl,C-CN或C-NO 2; R 1为H或任选取代的烷基; G为H,磺基,羧基, 取代的烷基,任选取代的烷氧基,-CF 3,卤素或-PO 3 H 2; L 1和L 2各自独立地为-SR 2,-OR 3或-NR 4 R 5; R 2,R 3,R 4和R 5各自独立地为H,任选取代的烷基或任选取代的芳基; 或R 4和R 5与它们所连接的氮一起形成任选取代的五元或六元环;条件是L 1和L 2不含羧基,磺基和-PO 3 H 2基; 以及在油墨中使用式(1)的单偶氮化合物或其盐,使用该油墨的喷墨印刷方法,印刷有油墨的基材和含有该油墨的喷墨打印机墨盒。
    • 9. 发明授权
    • Monoazo dyes and inks containing them
    • 含有它们的单偶氮染料和油墨
    • US06344076B1
    • 2002-02-05
    • US09446972
    • 1999-12-30
    • Mark Kenworthy
    • Mark Kenworthy
    • C09D1102
    • C09D11/328C09B43/16D06P5/30Y10T428/24802
    • The invention relates to a compound of Formula (1) and to an ink jet printing process using inks; a substrate printed with the inks and cartridges all which comprise the compound of Formula (1) wherein A is N, C—CI, C—CN or C—NO2; L1 Is —OR3, Z is —O—, —S— or —NR2—; R1 and R2 are each independently H or optionally substituted alkyl; R3 is H or alkyl; each W independently is —CO2Q or —SO3Q; each X independently is an optionally substituted amino group or a group which is substituted by an optionally substituted amino group; each Y independently is halo, hydroxy, nitro, cyano, optionally substituted alkyl optionally substituted alkoxy, optionally substituted aryl, optionally substituted aralkyl, —SRa—CORa, —COORa, —SO3Ra or —SORa; Ra is C1-4-alkyl optionally substituted by carboxy, sulpho, hydroxy, nitro, cyano or halo: each Q independently is ammonium or substituted ammonium; m, n and p each independently have a value of from 0 to 3; and (m+n+p) has a value of from 0 to 5.
    • 本发明涉及式(1)的化合物和使用油墨的喷墨印刷方法; 印有油墨和墨盒的基材全部包含式(1)化合物,其中A是N,C-C 1,C-CN或C-NO 2; L 1是-OR 3,Z是-O - , - S-或-NR 2 - ; R1和R2各自独立地为H或任选取代的烷基; R3是H或烷基; 每个W独立地是-CO 2 Q或-SO 3 Q; 每个X独立地是任选取代的氨基或被任选取代的氨基取代的基团; 每个Y独立地是卤素,羟基,硝基,氰基,任选取代的烷基任选取代的烷氧基,任选取代的芳基,任选取代的芳烷基,-SRa-CORa,-COORa,-SO 3 R a或-SOR a; R a是任选被羧基,磺基,羟基,硝基,氰基或卤素取代的C 1-4 - 烷基:每个Q独立地是铵或取代的铵; m,n和p各自独立地具有0至3的值; 和(m + n + p)的值为0〜5。
    • 10. 发明授权
    • Phthalocyanine dyes, inks containing the same and use thereof in ink jet
printing
    • 酞菁染料,含有它们的油墨以及在喷墨印刷中的用途
    • US6149722A
    • 2000-11-21
    • US240602
    • 1999-02-01
    • Colin Dick RobertsonMark Kenworthy
    • Colin Dick RobertsonMark Kenworthy
    • C09B47/26C09D11/00C09D11/02B05D1/00B32B3/00C09B47/04
    • C09D11/32C09B47/26C09D11/328
    • Phthalocyanine compounds of Formula (1) have utility as colorants in inks for ink-jet printing, where Formula (1) represents: ##STR1## in which: M represents a metal or H;Pc represents a phthalocyanine nucleus; andR.sup.1 represents H or --(CH.sub.2).sub.n R.sup.3 ; R.sup.2 represents(CH.sub.2).sub.n R.sup.3 ; or R.sup.1 and R.sup.2 together with the nitrogen atom to which they are attached represent a 5 or 6-membered ring; where:n is independently an integer from 1 to 30; andR.sup.3 is independently a group selected from hydroxy, sulpho, cyano, --SR.sup.4, --CO.sub.2 R.sup.5, --PO.sub.3 H.sub.2 and --NR.sup.6 R.sup.7 ; where:R.sup.4, R.sup.5, R.sup.6 and R.sup.7 independently represent H, C.sub.1-30 alkyl optionally substituted by one or more groups selected from hydroxy, mercapto, sulpho, carboxy, cyano and --PO.sub.3 H.sub.2 ;v is the valence of Pc divided by the valence of M;x is from 1.2 to 3.8;y is from 0.1 to 2.7;z is from 0.1 to 2.7; andx, y and z satisfy 2.ltoreq.x+y+z.ltoreq.4.
    • 式(1)的酞菁化合物在用于喷墨印刷的油墨中具有着色剂的用途,其中式(1)表示:其中:M表示金属或H; Pc代表酞菁核; 并且R 1表示H或 - (CH 2)n R 3; R2表示(CH2)nR3; 或R 1和R 2与它们所连接的氮原子一起代表5或6元环; 其中:n独立地为1至30的整数; 和R 3独立地是选自羟基,磺基,氰基,-SR 4,-CO 2 R 5,-PO 3 H 2和-NR 6 R 7的基团; 其中:R4,R5,R6和R7独立地表示H,任选被一个或多个选自羟基,巯基,磺基,羧基,氰基和-PO 3 H 2的基团取代的C 1-3-30烷基; v是Pc的化合价除以M的化合价; x为1.2〜3.8; y为0.1〜2.7; z为0.1〜2.7; x,y和z满足2