Seiko Epson Corporation

Tsuneo Kasai

Toshio Kumagai

Toru Takahashi

Kenji Fukasawa

Hirokazu Kasahara

Kazuyoshi Tanase

Yasuhiro Takeuchi

Akira Akazawa

Ryo Yamaguchi

Osamu Shinkawa

Naoki Kuwata

Masahiko Yoshida

Toshiyuki Suzuki

Takamitsu Kondo

Kenji Otokita

Michihiro Nagaishi

Masaaki Takizawa

Yasuhiro Hosokawa

Hidekuni Moriya

Masahiro Fukazawa

Kaori Matsumoto

Sho Arai

There is provided a flat head type image reading device configured to scan a standard size document including an A4 size, the image reading device including: a document pressing section pressing the standard size document and made of an elastic member, in which the document pressing section has fixing members, and the fixing members are arranged at positions corresponding to end portions of the standard size document.

Image reading device with document pressing section

A document platen on which a document is placed; and a reading sensor having a light source for irradiating the document with light, are provided, and the reading sensor performs first scanning for irradiating the document with light at a first light quantity, and then performs second scanning for irradiating the document with light at a second light quantity greater than the first light quantity.

Image reading device

An image reading apparatus includes a first sensor that reads a first area of an image, a second sensor that reads a second area, and a processing circuit that generates a merge image by performing a merge process on first image data acquired by reading by the first sensor and second image data acquired by reading by the second sensor. The processing circuit calculates a correction value having a tendency of approaching zero as being away from an overlap area between the first area and the second area based on a reading result acquired by reading the overlap area by the first sensor and a reading result acquired by reading by the second sensor, and generates the merge image by performing an offset process using the correction value.

Image reading apparatus, program, and image generation method for generating merge image of partially overlapping areas of image

A method for setting a voltage applied to a head in an ink jet printer including the head that discharges ink according to an applied voltage includes a step of forming a test pattern on a medium by the ink discharged from the head, a step of measuring a film thickness of the test pattern, and a step of setting a voltage to be applied to the head based on the measured film thickness.

Applied voltage setting method, program, and ink jet printer

A printing apparatus of the invention includes a medium information acquisition section that acquires medium information that can specify a type of a print medium, a printing section that discharges print ink to the print medium, a coating section that coats the print medium with precoat liquid before the printing section performs printing, and a coating control section that controls the coating section. The coating control section variably changes an amount of coating of the precoat liquid per unit area according to the acquired medium information.

Printing apparatus and control method of printing apparatus

A method for calculating a compensation value for use in a correction of a liquid landing position in a liquid ejection device provided with a first head for ejecting a first colored liquid and a second head for ejecting a transparent liquid includes, when forming a test pattern on a medium, forming the test pattern by feeding the first colored liquid to the second head and causing the second head to eject the first colored liquid, and obtaining a compensation value for a correction of a landing position of a liquid ejected by the second head on the basis of the test pattern formed on the medium.

Method for calculating compensation value

A liquid discharge apparatus which causes a liquid to be discharged through a first nozzle by applying a driving signal to a first driving element, and causes a liquid to be discharged through a second nozzle by applying the driving signal to a second driving element, and which, with respect to the first nozzle, determines on the basis of an image formed by causing the liquid to be discharged through the first nozzle whether or not the first nozzle causes a liquid discharge failure, and, with respect to the second nozzle, determines on the basis of a detection signal which is obtained by applying the driving signal to the second driving element whether or not the second nozzle corresponding to the second driving element causes a liquid discharge failure.

Printing apparatus and inspection method

There is provided a method of acquiring a correction value of a liquid discharging apparatus that includes a first nozzle row, a second nozzle row, a third nozzle row, and a fourth nozzle row, the method includes: acquiring the amount of deviation (heterogeneous row error) of a dot formed by the third nozzle row in the predetermined direction, acquiring the amount of deviation (overlapping area error) between the dot formed by the third nozzle row and a dot formed by the fourth nozzle row in the predetermined direction, and acquiring a correction value which causes discharge data assigned to the fourth nozzle row to shift in the predetermined direction based on the heterogeneous row error and the overlapping area error.

Method of acquiring correction value and method of manufacturing liquid discharging apparatus

A discharge defect detecting device including a sensor that reads image, which has been formed on a medium by moving nozzles relative to the medium in a relative movement direction and discharging a fluid, at a reading resolution lower than the resolution of an image data in the relative movement direction, based on the image data; a standard data forming unit that forms a standard data having the same resolution as the reading resolution in the relative movement direction, based on the image data; and a detecting unit that compares a plurality of the reading data pixels on the same row in the relative movement direction in the data read by the sensor with a plurality of standard data pixels each corresponding to the plurality of the reading data pixels in the standard data, to detect the discharge defects of the nozzles.

Discharge defect detecting method and discharge defect detecting device

A printing method includes obtaining scene information concerning image data from supplemental data that is appended to the image data; classifying a scene of an image represented by the image data, based on the image data; comparing the classified scene with a scene indicated by the scene information; and printing a printout that is used to urge a user to make a continuation when a mismatch between the classified scene and the scene indicated by the scene information exists.

Printing method, printing apparatus, and storage medium storing a program

A category classification method includes: calculating function values corresponding to a relationship between a classification target and support vectors that contribute to a classification boundary, calculating an addition value in which the function value for each support vector has been added, and classifying that the classification target does not pertain to a specific category in case that the addition value is smaller than a threshold, wherein calculation of the addition value is carried out by adding function values having positive values, then adding function values having negative values, and the classification target is classified as not pertaining to the specific category, without adding the remaining function values, in case that the addition value has become smaller than the threshold.

Category classification method

Provided is a photographing parameter setting system including: a photographing device which photographs an image; and a photographing information providing device which provides photographing information for specifying predetermined photographing parameter values to the photographing device, wherein the photographing information providing device includes: a photographing information storage unit which stores photographing information corresponding to a photographing opportunity defined by a temporal range and a geographic range; and a photographing information transmission unit which transmits the photographing information stored in the photographing information storage unit, and wherein the photographing device includes: a photographing information reception unit which receives the photographing information transmitted from the photographing information transmission unit; and a photographing parameter setting unit which sets the predetermined photographing parameter values used for photographing at the photographing opportunity, on the basis of the received photographing information.

Setting of photographic parameter value

A liquid discharge apparatus. Each of a plurality of first nozzle rows includes a plurality of nozzles disposed in a predetermined direction that discharge cyan or magenta liquid. Each of a plurality of second nozzle rows includes a plurality of nozzles disposed in the predetermined direction that discharge yellow liquid. The number of second nozzle rows is smaller than the number of first nozzle rows. The first nozzle rows form cyan or magenta dots at pixels on a medium. The second nozzle rows form yellow dots at pixels whose number is smaller than the number of pixels at which the first dots are formed.

Liquid discharge apparatus and liquid discharge method

A photo image retrieval system stores photo images and a text data, and extracts and displays any photo image using an input retrieval sentence as an index. A photo image database records photo images with information about image capture dates. A text database stores text data. A text data analysis unit parses the text data, and extracts words. An index database establishes a correlation between information about words extracted and information about dates when the text data is entered. A retrieval sentence analysis unit parses the input retrieval sentence, and extracts a retrieval word A date information extraction unit extracts information about the date when the text data is entered by referring to the index database. A photo image extraction unit extracts, using the date as an index, any of the photo images captured on the date. A display unit displays the extracted photo image.

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Azumino, Japan

Tsuneo Kasai