Victor Company of Japan, Limited

Canon Kabushiki Kaisha

Tdk Corporation

Hiroki Kitamura

Itsuo Takanashi

Toshinori Takahashi

Yoshiyuki Akiba

Takeshi Akiyama

Shuichi Nakamura

Yusuke Yamamoto

Hideshi Tanaka

Kenzo Tojima

Masanao Motoyama

Takaaki Nagaoka

Terumi Ohara

Tadao Shinya

Yutaka Mizoguchi

Kenichi Miyazaki

Tsutomu Takata

Tsutomu Takada

Katsuhiko Terada

Takashi Yamamura

Toru Nibe

Shintaro Nakagaki

Tsutou Asakura

Takashi Kuriyama

Hiromichi Tai

Hiroshi Ichimura

Shigeru Kato

Tsutomu Kiuchi

Toshikatsu Ichitou

Hisashi Ishikawa

Koji Kawamura

Masaki Sobu

Hiroki Tezuka

Atsushi Nakano

Tetsuo Takaishi

Masayuki Yamashima

Toshikatsu Ichito

Hiroyuki Miyabara

Mikio Tsuruoka

Yukiko Hirabayashi

Koubun Sakagami

A battery pack which includes: a battery cell which contains a non-aqueous electrolyte, wherein the battery cell is a non-aqueous electrolyte secondary battery; a casing which stores the battery cell; and at least one liquid leakage sensor which detects liquid leakage from the battery cell, wherein the casing and/or the battery cell have a leaked liquid retention region in which the non-aqueous electrolyte tends to be retained when the non-aqueous electrolyte leaks out of the battery cell, wherein the liquid leakage sensor outputs measurement information as a detection result without using a charging/discharging circuit which charges and discharges the battery cell, and wherein at least one sensor unit of the liquid leakage sensor is provided in the leaked liquid retention region.

Battery pack

With this invention, color shifting correction is performed first based on shifting amount information indicating a shifting amount with respect to the scanning direction on an image carrier of each image forming unit, and halftone processing is then performed, thus suppressing generation of moir&#xe9; due to the color shifting correction, and forming a high-quality image. To this end, an image forming engine has color shifting amount storage units C, M, Y, and K (black) which store actual shifting amounts with respect to ideal scan directions on image carriers C, M, Y, and K in image forming units C, M, Y, and K. Color shifting correction amount arithmetic units C, M, Y, and K calculate color shifting correction amounts for respective color components on the basis of the stored color shifting amounts. Color shifting correction units C, M, Y, and K perform color shifting correction by converting coordinates upon reading out image data from bitmap memories C, M, Y, and K on the basis of the calculated color shifting correction amounts, and then perform tone correction. Data after tone correction undergo halftone processing by halftone processors. C, M, Y, and K. PWM processors C, M, Y, and K generate PWM signals for scanning, and output them to exposure units C, M, Y, and K of the respective image forming units.

Image processing apparatus and an image processing method for performing a correction process of a tone value of a pixel for smoothing a jaggy

A lithium ion secondary battery with a high electrode density and an excellent rate discharge characteristic. The positive electrode includes a positive electrode active material of a compound represented by Li(NiCoAl)O(0.95&#x2266;a&#x2266;1.05, 0.5&#x2266;x&#x2266;0.9, 0.05&#x2266;y&#x2266;0.2), and carbon adhered to the surface of the material, in the Raman spectrum using a laser of 532 nm, the positive electrode includes a peak P(D band) at 1200&#x2dc;1450 cm, a peak P(G band) at 1450&#x2dc;1700 cmand a peak Pat 400&#x2dc;600 cm, and when the intensities are normalized by regarding the maximum intensity as 1 and the minimum intensity as 0 in the wavenumber domain of 200&#x2dc;1800 cm, Raman intensity of the minimum (V band) between the two peaks of said peak Pand said peak Pis 0.6 or less, and Raman intensity of said peak Pis 0.1 or more and 0.5 or less.

Positive electrode and lithium ion secondary battery using thereof

Color shifting correction is performed first based on shifting amount information indicating a shifting amount with respect to the scanning direction on an image carrier of each image forming unit, and halftone processing is then performed, thus suppressing caused by color shifting correction, and forming a high-quality image. An image forming engine has color shifting amount storage units storing actual shifting amounts with respect to ideal scan directions on image carriers in image forming units. Color shifting correction amount arithmetic units calculate color shifting correction amounts for respective color components using stored color shifting amounts. Color shifting correction units perform color shifting correction by converting coordinates upon reading image data from bitmap memories using calculated color shifting correction amounts, and perform tone correction. Data after tone correction undergo halftone processing. PWM processors generate PWM signals for scanning, and output them to exposure units of respective image forming units.

Image processing using derived correction amount

Image forming apparatus and its control method of correction amount based on selected rotational speed

A color image forming apparatus of a so-called tandem type which has image forming units in correspondence with colors is provided. In the color image forming apparatus, a color discrepancy amount storage unit stores information of a color discrepancy amount of each of the image forming units, which is measured in advance. A first color discrepancy correcting unit performs color discrepancy correction in a pixel unit by performing coordinate conversion of bitmap data to be printed based on the information of the color discrepancy amount stored in the color discrepancy amount storage unit. A second color discrepancy correcting unit performs color discrepancy correction in less than a pixel unit by performing tone correction of the bitmap data corrected by the first color discrepancy correcting unit based on the information of the color discrepancy amount stored in the color discrepancy amount storage unit.

Color image forming apparatus

A shifting amount of color compensation amount is calculated based on a shifting amount of color obtained from a shifting amount of color storage unit for each image forming unit, and shifting amount of color compensation in the pixel unit is performed by executing address conversion using the calculation result. A feature of an image to be processed is detected, and color density conversion compensation for performing shifting amount of color compensation in less than the pixel unit is performed according to the detected feature. Furthermore, half-tone processing or exceptional processing is selectively executed according to the detected feature.

Image forming apparatus and its control method, and computer program and computer-readable storage medium

An image forming engine has color shifting amount storage units C, M, Y, and K (black) which store actual shifting amounts relative to ideal scan directions on image carriers C, M, Y, and K in image forming units C, M, Y, and K. Color shifting correction amount arithmetic units calculate color shifting correction amounts for respective color components to base on the stored color shifting amounts. Color shifting correction units C, M, Y, and K perform color shifting correction by converting coordinates upon reading out image data from bitmap memories C, M, Y, and K on the basis of the calculated color shifting correction amounts, and then perform tone correction. Data after tone correction undergo halftone processing by halftone processors. C, M, Y, and K to suppress moire. PWM processors C, M, Y, and K generate PWM signals for scanning, and output them to exposure units C, M, Y, and K of the respective image forming units.

Image forming apparatus and its control method

In a printing apparatus which performs printing by scanning a carriage, which supports a printhead having a plurality of printing elements arrayed in a predetermined direction, relative to a printing medium in a direction perpendicular to the predetermined direction, printing data of a raster format obtained by processing transmitted image information into data used for printing, or printing data transmitted in the raster format is stored in a printing data memory. The printing data stored in the printing data memory is stored in a buffer memory having a storage area corresponding to each printing element. A head parameter unit stores information on the printhead arrangement. Processing of reading out the printing data stored in the printing data memory and storing the printing data in the buffer memory, and processing of reading out the printing data stored in the buffer memory are controlled in accordance with the information stored in the head parameter unit.

Printing apparatus and printing data control method effecting distributed driving of printing elements

An image forming system includes an information processing apparatus and an image forming apparatus. The information processing apparatus performs image generation, color conversion, and extraction of image characteristics to generate compressed data. The image forming apparatus decompresses the compressed data and determines a writing address into an image data storing unit on the basis of an amount of shift to convert the density of the image data in fractional pixel units.

Image forming system with density conversion based on image characteristics and amount of color shift

A color image forming apparatus includes a coordinate conversion part, which converts a ordinate value, for executing a misregistration correction in the unit of a pixel; a gradation conversion part, which converts a gradation level, for executing a misregistration correction in a unit less than a pixel; and a judgment part, which detects a feature of the image and judges whether or not to execute the misregistration correction in a unit less than a pixel by the gradation conversion part. The judgment part compares the gradation level in an object pixel and a pixel adjacent in a sub-scanning direction, thereby judging whether or not to execute the misregistration correction in a unit less than a pixel. Thus, the invention enables to distinguish an image to be subjected to the registration correction in a unit less than a pixel and an image not to be subjected to such correction in a simple manner and also in consideration of the image color.

Image forming apparatus and its control method, and computer program and computer readable storage medium

A thermal printing apparatus for printing input gradational images, characters and figures by using multilevel density which can appropriately regulate the levels of the densities representing the gradational images etc. to be printed by a linear thermal head having n heating resistors arranged in a line, the printing apparatus is provided with a density control unit for regulating, for example, the multilevel durations for energizing the heating resistors in accordance with n gradational printing data each corresponding to respective one of said resistors, and a data conversion unit, receiving a set of n original data for each line as the printing data, for producing p sets of n data for p split lines on the basis of the n original data, where p is an integer being equal to or greater than two, the p sets of n data being sequentially supplied to the density control unit set by set to print each line corresponding to the input gradational image, character and figure printing data as a plurality of split lines corresponding thereto, thereby increasing uniformity of density of print lines of pixels of the input gradational images, characters and figures by overlapping low density portions of dotes of adjacent split lines.

Thermal printing apparatus

A heat-sensitive hot-melt image transfer sheet transfers an ink image to a recording sheet when selectively heated by the heating element of the thermal head of a thermal printer. The image transfer sheet comprises a base coated on a surface thereof with a matrix of circular hot-melt ink dots at a constant pitch. The hot-melt ink dots are selectively meltable with heat applied through the base by the heating elements for transferring an ink image to the recording sheet held against the matrix of hot-melt ink dots.

Heat-sensitive hot-melt image transfer sheet

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Tokyo, Japan

Hiroki Kitamura