公开(公告)号：WO1992002583A1

公开(公告)日：1992-02-20

申请号：PCT/US1991005453

申请日：1991-08-01

Applicant: EASTMAN KODAK COMPANY

Inventor： EASTMAN KODAK COMPANY ,  CASSELL, Michael, Lynn ,  JENKINS, Waylon, Lewellyn ,  RAYNOLDS, Peter, Webb

IPC: C08L25/04

CPC classification number: C09D11/10 ,  C08F283/02 ,  C08L25/04 ,  C08L33/04 ,  C08L67/00 ,  C08L77/12 ,  C08L2666/14 ,  C08L2666/06 ,  C08L2666/04

Abstract: Disclosed are polymer blends of polyesters or polyesteramides and a styrene polymer. The blends are preferably prepared by polymerizing a styrene monomer in the presence of the polyester or polyesteramide. The blends impart superior water resistance, block resistance, and/or gloss to aqueous inks.

Abstract translation: 公开了聚酯或聚酯酰胺和苯乙烯聚合物的聚合物共混物。 共混物优选通过在聚酯或聚酯酰胺的存在下聚合苯乙烯单体来制备。 该混合物赋予水性油墨优异的耐水性，抗粘连性和/或光泽度。

公开(公告)号：WO1992001910A1

公开(公告)日：1992-02-06

申请号：PCT/US1991004975

申请日：1991-07-15

Applicant: EASTMAN KODAK COMPANY

Inventor： EASTMAN KODAK COMPANY ,  GABOURY, Michael, Joseph

IPC: G01J01/42

CPC classification number: G01J1/44 ,  G01J1/4209

Abstract: The present invention is an apparatus and an associated method for determining the dominant scene illuminant which apparatus is more reliable and accurate than previous illuminant detectors. Mixed illuminant detection has been added to the choice of illuminant categories, to take care of the cases where one illuminant is not dominant and color correction is best handled by printing algorithms. A new boundary condition has been devised to eliminate detection errors seen when fluorescent illumination mixes with certain quantities of daylight causes a tungsten reading. The apparatus incorporates a thresholding technique to improve over existing art. The apparatus is comprised of a means for converting illuminate light into corresponding electrical signals. The electrical signals are then directed to a log amplifier wherein they are compressed to approximately form a signal having one term equal to the log of the DC term plus a ratio of the dominant AC components to the DC components. A second portion of the apparatus receives the signals from the log amplifier and provides two filtered outputs which are multiples of the frequency of expected artificial illumination sources. Each of the output signals is compared against a plurality of threshold signals to identify which illuminant components are present. The combination of detected components are then compared against the components of known illumination sourcse with the closest match identifying the unknown source. Means are provided for combining the output signals from both of the filters to identify mixed sources.

公开(公告)号：WO1992001756A1

公开(公告)日：1992-02-06

申请号：PCT/US1991004958

申请日：1991-07-15

Applicant: EASTMAN KODAK COMPANY

Inventor： EASTMAN KODAK COMPANY ,  LIGHT, Fred, Winifred, Jr. ,  CHANG, Yeong-Ho

IPC: C09D05/03

CPC classification number: C08G18/4063 ,  C08G18/4202 ,  C08G18/8074 ,  C08G2150/20

Abstract: Disclosed are powder coating compositions comprised of one or more semi-crystalline polyesters, one or more amorphous polyesters and one or more hydroxyl acrylic polymers and a blocked polyisocyanate cross-linking agent. Coatings of the compositions on shaped metal articles exhibit an ASTM D-523-85 60 DEG gloss value of not greater than 35, ASTM D2794-84 front/back impact strength values of at least 40/20 inch-pounds, an ASTM D-3359-83 cross-hatch adhesion pass percent value of at least 90, a pencil hardness of at least H and an ASTM 4145-83 flexibility of 2T or better.

Abstract translation: 公开了由一种或多种半结晶聚酯，一种或多种无定形聚酯和一种或多种羟基丙烯酸聚合物和封端多异氰酸酯交联剂组成的粉末涂料组合物。 成型金属制品上的组合物的涂层表现出ASTM D-523-85 60°光泽值不大于35，ASTM D2794-84前/后冲击强度值至少为40/20英寸 - 磅，ASTM D- 3359-83交叉舱口密封通过百分数至少为90，铅笔硬度至少为H，ASTM 4145-83柔性为2T以上。

公开(公告)号：WO1992001662A1

公开(公告)日：1992-02-06

申请号：PCT/US1991005122

申请日：1991-07-22

Applicant: EASTMAN KODAK COMPANY

Inventor： EASTMAN KODAK COMPANY ,  WALKER, Theodore, Roosevelt, Jr. ,  JACKSON, Winston, Jerome, Jr. ,  FLEISCHER, Jean, Carroll

IPC: C07C45/41

CPC classification number: C07C49/784 ,  C07C45/46 ,  C07C45/81 ,  C07C45/82 ,  C07C49/84 ,  C07C51/373

Abstract: This invention concerns a process for preparing diketones and keto-acids by reacting a dicarboxylic acid and an aromatic compound in the presence of an alkylsulfonic acid such as methanesulfonic acid and an organic anhydride compound such as methanesulfonic anhydride or trifluoroacetic anhydride. The diketones and keto-acids can be used to prepare polyketones which are useful as molding plastics, coatings, films, fibers, and the like.

公开(公告)号：WO1992001312A1

公开(公告)日：1992-01-23

申请号：PCT/US1991004590

申请日：1991-06-27

Applicant: EASTMAN KODAK COMPANY

Inventor： EASTMAN KODAK COMPANY ,  STEVENS, Eric, Gordon ,  LEE, Teh-Hsuang ,  BURKEY, Bruce, Curtiss

IPC: H01L27/148

CPC classification number: H01L27/14887 ,  H01L27/14806

Abstract: A solid-state image sensor includes a substrate (12) of a semi-conductor material of one conductivity type having a surface. A plurality of spaced, parallel CCDs (18) are in the substrate (12) at the surface (14). Each CCD (18) includes a channel region (24) of the opposite conductivity type in the substrate and a plurality of conductive gates (28, 30; 128, 130) extending across and insulated from the channel region (24). The conductive gates extend laterally across the channel regions of all of the CCDs and divide the channel regions into a plurality of phases and pixels. A drain region (36; 136) of the opposite conductivity type is in the substrate (12) at the surface and extends along the channel region (24) of at least one of the CCDs (18). A separate overflow channel region (38; 138) of the opposite conductivity type is in the substrate at said surface and extends from each of the CCD channel region phases to the adjacent drain region. A separate overflow barrier region (40; 140) of the one conductivity type is in the substrate and extends across an overflow channel region (38; 138) between the CCD channel region (24) and the drain (36; 136) to control the flow of charge carriers from each phase of the CCD channel region to the drain. Each of the CCDs (18) may have a separate drain region (36) or two adjacent CCDs may share a common drain region (136). A CCD barrier region (32; 132) extends across the channel region in each phase. The CCD barrier region (32; 132) contains the same impurity concentration as the overflow-barrier region (40; 140) of its respective phase and may be connected to the overflow-barrier region.

公开(公告)号：WO1992001243A1

公开(公告)日：1992-01-23

申请号：PCT/EP1991001235

申请日：1991-07-02

Applicant: KODAK-PATHE ,  EASTMAN KODAK COMPANY ,  BREDOUX, François, Jean-Marie ,  PFAFF, Maurice, Edgar

Inventor： KODAK-PATHE ,  EASTMAN KODAK COMPANY

IPC: G03C07/30

CPC classification number: G03C7/3029

Abstract: The invention relates to a reversal color photographic print material. Said reversal material comprises a support with, in order, a substantially light-insensitive fine grain emulsion layer which does not take part in the image formation, a red-sensitive emulsion layer having associated therewith a cyan-forming coupler, a green-sensitive emulsion having associated therewith a magenta-forming coupler, a blue-sensitive emulsion having associated therewith a yellow-forming coupler. This arrangement allows to adjust the shape of the characteristic curve of red, green, blue-sensitive emulsion layers.

公开(公告)号：WO1992000652A1

公开(公告)日：1992-01-09

申请号：PCT/US1991004486

申请日：1991-06-24

Applicant: EASTMAN KODAK COMPANY

Inventor： EASTMAN KODAK COMPANY ,  DALY, Scott, James ,  GRANGER, Edward, Maurice

IPC: H04N07/133

CPC classification number: H04N11/044 ,  H04N19/124 ,  H04N19/126 ,  H04N19/60

Abstract: A color imagery compression/decompression mechanism employs a contrast sensitivity function model of the human visual system for color images, to derive normalization values for compressing chromatic components of the color imagery data. The CSF model is defined in terms of an ADT color space transform (15), the chromatic channels of which conform with the band-limited sensitivity of the visual system. The transform for obtaining the ADT components is executable by reduced complexity logic operators. Each of the ADT components is block transform coded using DCT transform coefficients (18) that are normalized (24) in accordance with a 'weighted' (46, 45) CSF model (42) of the human visual system, which effectively performs a low pass filtering of the chromatic (DT) channels. This low pass filter-weighting of the normalization values in the compression, transmit end (10) of the system produces a set of normalized coefficients which effectively blur the image and reduce the entropy in the chromatic channels and may be implemented using a Gaussian function. In the decompression process at the receiver (14), a corresponding set of denormalization coefficients (32), which are generated in accordance with the same chromatic CSF model of the human visual system, are not weighted, so that the cascading of the normalization and denormalizing operators in the transmitter and receiver yields a product less than unity, simulating the entropy-reducing effect of subsampling.

公开(公告)号：WO1992000609A1

公开(公告)日：1992-01-09

申请号：PCT/US1991004347

申请日：1991-06-19

Applicant: EASTMAN KODAK COMPANY

Inventor： EASTMAN KODAK COMPANY ,  ROSELLE, Paul, L.

IPC: H01L31/18

CPC classification number: H01L31/1884 ,  Y02E10/50

Abstract: The use of a deposited oxide mask permits higher power to be used when ITO is etched by a plasma containing CH3. and AR thereby increasing the etch rate of ITO.

Abstract translation: 当通过含有CH3的等离子体蚀刻ITO时，使用沉积的氧化物掩模允许使用更高的功率。 和AR +，从而提高ITO的蚀刻速率。

公开(公告)号：WO1992000575A1

公开(公告)日：1992-01-09

申请号：PCT/US1991004487

申请日：1991-06-25

Applicant: EASTMAN KODAK COMPANY

Inventor： EASTMAN KODAK COMPANY ,  SMALL, Jeffrey, A.

IPC: G06K15/12

CPC classification number: G06K15/1247

Abstract: A non-impact printhead (20) includes recording elements such as light-emitting diodes (LED's) for recording. An extra LED is also included with each group of LED's. This extra LED is masked (80) to block light from exposing the recording medium. A small constant current (82) is driven to the extra LED and the anode voltage is sensed. This anode voltage is related to the temperature of the chip array (31) carrying the other LED's. In response to this anode voltage an adjusted current is generated in a current mirror that adjusts a voltage bias on a transistor (Q425) regulating current to the recording LED's. Temperature compensation is provided for wholly within a driver chip including the circuitry for driving the LED's without the need for compensation data to flow outside of the driver chip.

Abstract translation: 非冲击打印头（20）包括用于记录的诸如发光二极管（LED）的记录元件。 每组LED还包含一个额外的LED。 这个额外的LED被屏蔽（80）以阻止光曝露记录介质。 小的恒定电流（82）被驱动到额外的LED并且感测到阳极电压。 该阳极电压与承载另一LED的芯片阵列（31）的温度有关。 响应于该阳极电压，在电流镜中产生调节的电流，该电流镜调节调节到记录LED的电流的晶体管（Q425）上的电压偏置。 温度补偿完全在驱动器芯片中提供，包括用于驱动LED的电路，而不需要补偿数据流过驱动器芯片外部。

公开(公告)号：WO1992000196A1

公开(公告)日：1992-01-09

申请号：PCT/US1991004488

申请日：1991-06-25

Applicant: EASTMAN KODAK COMPANY

Inventor： EASTMAN KODAK COMPANY ,  POTUCEK, Martin ,  HADLEY, Mary ,  SMALL, Jeffrey, A. ,  MATTERN, Michael, William ,  AGAR, Keith, W. ,  PHAM, Hieu, T. ,  NG, Yee, Seung ,  CHUNG, Jeremy, K. ,  KIEFFER, Kenneth, D.

IPC: B41J02/45

CPC classification number: B41J2/45 ,  B41J2202/17

Abstract: A non-impact printer apparatus is described that includes a recording head having a plurality of recording elements (30) such as LED's for recording on a recording medium (12). A plurality of driver chips (40) are provided on the head and each includes a plurality of current driving channels for selectively driving a plurality of recording elements in accordance with respective image data signals. The driver chips (40) each further include an extra current driving channel not associated with a recording element (30) for generating a current related to that sent to said recording elements. Monitoring of the current in the extra channel is provided to permit for changes of current to the recording elements (30) and/or corrected image data to provide fine tuned control over uniformity of the recording elements. A digitally adjustable current mirror controls the level of current to each LED during recording. Digital current data signals for controlling this level of current are also communicated over one of the lines of the data bus. Token bit signals are used to control the latching of both current data signals and image data signals in respective registers storing the digital data used for current control and the image data used for controlling energization times. Each driver chip (40) includes two sets of digitally addressable transistors. This allows for individual chip control of current to the respective LED's to correct for nonuniformity of light output from chip to chip due to temperature gradients as well as controlling for light output due to aging of the printhead. The current mirror has a master circuit for generating a reference current and a plurality of slave circuits for providing respective driver currents to the recording elements (30) selected for energization. A transistor switch is in series with a respective recording element (30) and switchable from one state to another in response to a signal at its control electrode. Each of the slave circuits includes an additional slave circuit which provides a current path for facilitating changing of the signal at the control electrode from one voltage level to another such as by allowing a capacitive charge at the control electrode to dissipate.

Abstract translation: 描述了一种非冲击打印机装置，其包括具有多个记录元件（30）的记录头，诸如用于记录在记录介质（12）上的LED。 多个驱动器芯片（40）设置在头部上，并且每个驱动器芯片包括多个电流驱动通道，用于根据相应的图像数据信号选择性地驱动多个记录元件。 驱动器芯片（40）还包括与用于产生与发送到所述记录元件相关的电流的记录元件（30）不相关联的额外电流驱动通道。 提供监视额外通道中的电流以允许改变到记录元件（30）的电流和/或校正的图像数据，以提供对记录元件的均匀性的微调控制。 数字可调电流镜在录制过程中控制每个LED的电流电平。 用于控制该电流电平的数字电流数据信号也通过数据总线的一条线路传送。 令牌位信号用于控制存储用于电流控制的数字数据的各个寄存器中的当前数据信号和图像数据信号的锁存以及用于控制通电时间的图像数据。 每个驱动器芯片（40）包括两组可数字寻址晶体管。 这允许单独的芯片控制到相应LED的电流以校正由于温度梯度而导致的从芯片到芯片的光输出的不均匀性以及由于打印头的老化而控制光输出。 电流镜具有用于产生参考电流的主电路和用于向选择用于通电的记录元件（30）提供相应驱动电流的多个从电路。 晶体管开关与相应的记录元件（30）串联并且响应于其控制电极处的信号从一个状态切换到另一个状态。 每个从电路包括附加从电路，其提供用于便于将控制电极处的信号从一个电压电平改变到另一电压电平的电流路径，例如通过允许控制电极处的电容性电荷消散。