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Seiko Epson Corporation Patents
Assignee:
Seiko Epson Corporation
Address:
Tokyo, JP
No. of patents:
9583
Patents:


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Patent Number Title Of Patent Date Issued
7559634 Ink-jet recording device and ink supply unit suitable for it July 14, 2009
Ink maintained at a negative pressure state is supplied to an ink-jet recording head via an ink supply mechanism constructed as a differential pressure valve having a coil spring 51 and a movable membrane 54 normally contacted elastically with a valve seat by the coil spring 51.
7559631 Liquid-jet head, method for manufacturing the same, and liquid-jet apparatus July 14, 2009
A liquid-jet head and a manufacturing method thereof are provided. The liquid-jet head includes a channel substrate which has pressure generation chambers formed therein and communicating nozzle orifices for discharging liquid droplets, and piezoelectric elements. The piezoelectric e
7558949 Data processing apparatus and control method for verifying that version codes in selected boot s July 7, 2009
A data processing apparatus comprising: flash ROM that can communicate with a CPU, the flash ROM comprises a boot sector that stores a boot selector program, a first boot sector and a second boot sector each storing a boot program that is selectively called by the boot selector progr
7558524 Image reading system July 7, 2009
There are provided an original table for an original, a linear image sensor for converting light into an electric signal, a first optical system for forming an optical image on a main scanning line onto the linear image sensor, a sub scanning unit for scanning the main scanning line
7558503 Image forming apparatus with a proximity charger roller July 7, 2009
A proximity charger roller is disposed in proximity to a surface of an image carrier and uniformly charges an effective charging area of the image carrier. Abutting portions abut on the image carrier at its both edges which are located on the outer side of the effective charging area,
7558498 Fixing unit for an image forming apparatus controlling plural coils in rotating heating bodies July 7, 2009
A fixing unit for an image forming apparatus passes a recording medium with a unfixed toner image through between a pair of rotating bodies to fix the unfixed image to the recording medium. The fixing unit comprises a first heater for heating up one of the rotating bodies, a second heate
7558445 Electro-optical device and electronic apparatus July 7, 2009
An electro-optical device includes a semiconductor layer, a gate electrode, and a first insulating film, and a second insulating under the semiconductor layer. The first insulating film overlaps a junction region, but not a channel region, of the semiconductor layer. The gate electro
7558342 Circuits and methods for acquiring a frequency of a data bitstream July 7, 2009
Circuits and methods for recovering a periodic signal from a data signal. One circuit generally includes (1) a recovery circuit configured to produce a reference signal from the data signal, (2) a frequency detector circuit configured to produce a detector output in response to the r
7558221 Method and system for recording videoconference data July 7, 2009
A recording system for capturing videoconference session data is provided. The recording system includes a packet intercepting unit configured to identify packets related to the videoconference data being transmitted over a network. The packet intercepting unit is further configured to
7557994 Optical device, transfer mold, and image pickup apparatus July 7, 2009
An optical device includes a refracting surface refracting light, a flat surface transmitting light, and a prism group including prism elements having at least the refracting surface. Here, the prism elements are arranged with a plurality of pitches therebetween on a straight line pa
7557984 Electrophoretic display device and electronic apparatus July 7, 2009
An electrophoretic display device, includes: an electrophoretic capacitor provided with an electrophoretic layer containing at least one kind of electrophoretic particle; and a ferroelectric capacitor provided with a ferroelectric layer containing a ferroelectric material. In the ele
7557976 Light scanning apparatus and method to prevent damage to an oscillation mirror, reducing its amp July 7, 2009
A light scanning apparatus includes a deflector having an oscillation mirror that oscillates about an axis that is orthogonal to a main scanning direction. A detector detects a scanning light beam deflected by the oscillation mirror and moving in a scanning region. A controller adjus
7557963 Label aided copy enhancement July 7, 2009
Regions within a scanned document are labeled according to content. These labeled regions allow for particular enhancement and sharpening methods to be applied. The labeled regions may be further leveraged in subsequent rendering of the scanned document on a printer or other output devic
7557956 Method of forming label with label forming apparatus, and label forming apparatus July 7, 2009
A method of forming a label with a label forming apparatus having a printing section for performing printing while feeding a processing tape, and a working section for performing physical working on the processing tape while feeding the processing tape. The apparatus is capable of se
7557950 Printing system and printing method July 7, 2009
Disclosed is a printing system suitable for use at photo studio(s) and permitting printing of color photograph(s) as desired by user(s). Client machine(s) 5A, 5B may acquire photo image(s) from digital camera(s) 6 and may carry out editing (retouching and/or print layout/design editing)
7557898 Substrate gap adjusting device, substrate gap adjusting method, and method of manufacturing liqu July 7, 2009
A substrate gap adjusting device adjusts a gap between first and second substrates in a composite substrate. In the substrate gap adjusting device, the composite substrate includes the first substrate; the second substrate that is oppositely bonded to the first substrate through a se
7557822 Apparatus for and method of forming image using oscillation mirror July 7, 2009
A scan-beam detection signal Hsync provided by horizontal synchronous sensors 60A, 60B is inputted to a drive signal controlling section 10Y as a drive period signal related to a drive period of a deflective mirror. The drive signal controlling section 10Y controls a drive signal Sd such
7557817 Method and apparatus for overlaying reduced color resolution images July 7, 2009
In one embodiment, an image is created by combining an overlay image with a main image. Each pixel of the main and overlay images is defined by a luma component and at least one color component. Each luma component takes a value within a luma range, the lowest and highest values in the
7557791 Driving circuit for electro-optical device, method of driving electro-optical device, electro-op July 7, 2009
A driving circuit for an electro-optical device, that drives an electro-optical device having a plurality of data lines and a plurality of scanning lines extending so as to cross each other and a plurality of pixel units connected to the scanning lines and the data lines to form a di
7557751 Terminal device, method of controlling terminal device, and recording medium July 7, 2009
A terminal device searches for a satellite signal by performing a correlation process over a predetermined first accumulation time within a predetermined frequency range in units of search frequencies at specific intervals. When the terminal device has failed in searching for the sat
7557750 Positioning device, method of controlling positioning device, and recording medium July 7, 2009
A positioning device includes an estimated height storage section which stores an estimated height H1, a signal reception section which receives a satellite signal which is a signal from a satellite positioning system (SPS) satellite, a two-dimensional height calculation section which
7556907 Liquid developer July 7, 2009
A liquid developer which has excellent preservability, storage stability for a long period of time, and fixing characteristic of toner particles and which is also harmless to the environment is provided. The liquid developer contains an insulation liquid and toner particles dispersed in
7556444 Embossing control method, program, braille-embossing apparatus, and character-information-proces July 7, 2009
An embossing control method used in a braille-embossing apparatus includes an embossing head that embosses a braille string on a tape fed along a tape-conveying path, the braille string being embossed in an area biased to one of upper and lower sides of the tape along the width of the ta
7556413 Illumination device and projector July 7, 2009
An illumination device includes a light source that emits light-source light, a light recovery member that is disposed close to the light source in the vicinity of a lateral side of the light source, and has a light receiving surface inclined at a predetermined angle with respect to an
7556385 Projector July 7, 2009
A projector for image projection, includes: an optical element included by an optical system to project an image; a tripod that supports the projector; and a tripod-fixing part that is connected with the optical element and fixes the tripod, wherein the tripod and tripod-fixing part
7556362 Pressure control valve unit and liquid ejecting apparatus July 7, 2009
This invention is a pressure control valve unit including: a unit substrate; a first valve chamber provided at one side of the unit substrate, forming a part of a first liquid flow-path; a second valve chamber provided at the other side of the unit substrate, forming a part of a seco
7556341 Liquid jet apparatus and cleaning method for liquid jet head July 7, 2009
The apparatus has valve units capable of blocking respectively liquid feed paths connecting a liquid storage unit and a liquid jet head, and control unit. The control unit has a function for executing a pressure reduction step of putting the valve unit corresponding to the kind of liquid
7556336 Adjustment of positional misalignment of dots in printing apparatus July 7, 2009
The object of the present invention is to adjust relative misalignment of recording positions of dots created at different timings with high accuracy, thereby enhancing the printing quality. A patch pattern is used as a test pattern for adjusting misalignment of recording positions b
7556335 Print-control method, printing system, and print-control apparatus July 7, 2009
Quality of a printed image is improved while minimizing the amount of memory used. For example, a print-control method includes: a first print-control step of repeatedly performing a unit image formation operation of forming a unit image in a unit area on a medium by ejecting ink fro
7556333 Printing apparatus having appropriate correction of feed amount July 7, 2009
A printing apparatus comprises a plurality of print heads, a moving member that can be moved and that is provided with the plurality of print heads, and a feed mechanism for feeding a medium to be printed. Dots for correcting a feed amount by which the feed mechanism feeds the medium to
7555738 Integrated structure layout and layout of interconnections for an instruction execution unit of June 30, 2009
An integrated structure layout of functional blocks and interconnections for an integrated circuit chip. Data dependency comparator blocks are arranged in rows and columns. This arrangement defines layout regions between adjacent ones of the data dependency comparator blocks in the r
7555632 High-performance superscalar-based computer system with out-of-order instruction execution and c June 30, 2009
The high-performance, RISC core based microprocessor architecture includes an instruction fetch unit for fetching instruction sets from an instruction store and an execution unit that implements the concurrent execution of a plurality of instructions through a parallel array of funct
7555602 Data processing apparatus and method for restoring a file system June 30, 2009
A data processing apparatus for writing data to a recording medium having a predetermined file system configured therein includes the following elements: an insertion portion that removably holds the recording medium, the data processing apparatus writing data to the recording medium
7555252 Image forming apparatus that prevents conspicuous unevenness in image density June 30, 2009
An image forming apparatus includes: an image bearing body that is rotatable about a central axis thereof, and that bears a dot-like latent image, on a surface of the image bearing body, in each of a plurality of divided regions that are arranged in rows along a direction that inters
7555140 Image processing using object information June 30, 2009
A CPU 300 divides an image into plural regions and for each of the regions, generates a histogram and calculates an average brightness Y ave. The CPU 300 determines a focus location on the image by using focus location information, sets a region at the determined location as an empha
7554691 Printer for printing an image according to presence/absence of dot formation and printing contro June 30, 2009
A printing system of the invention successively forms rasters or dot lines on a printing medium to complete a printed image. A raster formation assembly is scanned in a raster-forming direction relative to the printing medium and completes each raster on the printing medium by a pres
7554680 Printer equipped with display for displaying menu screens for setting printing conditions June 30, 2009
A printer has a display for selectively displaying a plurality of menu screens for setting various printing conditions. The menu screens include a standard menu screen and a specific-purpose menu screen. The standard menu screen includes a plurality of menus selectable for setting the
7554575 Fast imaging system calibration June 30, 2009
Systems and methods are disclosed for calibrating an imaging system comprising a processing unit communicatively coupled to one or more imaging devices. The imaging system may also include a display. In an embodiment, a sequence of display features are displayed on a display, and ima
7554561 Apparatus for displaying an image June 30, 2009
An apparatus for displaying an image comprises, an access unit that accesses images stored in a recording medium; an image order management unit that orders a plurality of the images cyclically in such a manner that an end one of the images may be followed by a top one of the images;
7554548 Gamma curve generation method and device for the same June 30, 2009
The gamma curve generation method of the invention selects each set of three consecutive control points among multiple consecutive control points, forms a cubic curve passing through the selected three consecutive control points, and combines all formed cubic curves to generate a gam
7554537 Booster circuit, semiconductor device, and display device June 30, 2009
A booster circuit including first to Mth power supply lines (M is an integer larger than 3) and first and second charge-pump circuits. Each of the charge-pump circuit has first to (M-2)th boost capacitors, wherein the jth boost capacitor (1.ltoreq.j.ltoreq.M-2, j is an integer) is co
7554514 Electro-optical device and electronic apparatus June 30, 2009
To ensure uniformity of display regardless of a characteristics difference and temporal deterioration of a light-emitting element. An optical feedback type pixel circuit having a photoelectric transducer therein comprises a capacitor C1 for storing as an electric charge an integral v
7554178 Semiconductor device June 30, 2009
A semiconductor device includes a semiconductor element, a first signal line connected with the semiconductor element, and a light-blocking region enclosing the semiconductor element, a first signal line pull-out region for pulling the first signal line outside the light-blocking reg
7554120 Circuit board for electro-optical device, electro-optical device, and electronic apparatus June 30, 2009
A circuit board includes: a plurality of data lines and a plurality of scanning lines; a transistor that has a semiconductor layer and a gate electrode. The semiconductor layer includes a first junction region that is formed between the channel region and the data-line-side source/drain
7553885 Ink for inkjet recording June 30, 2009
An ink for inkjet recording of the invention includes water and a pigment, where the pigment is dispersed using a polymer having a refractive index of at least 1.58 or more, an acid value of 50 mgKOH/g to 120 mgKOH/g, and a weight average molecular weight of 20000 to 120000. It is prefer
7553883 Aqueous pigment ink composition and method of manufacturing the same June 30, 2009
The invention provides an aqueous pigment ink composition that ensures excellent recording characteristics on any type of recording mediums. An aqueous pigment ink composition of the invention includes a pigment, a water-dispersible polymer, water, and a water-soluble organic solvent,
7553713 Method of manufacturing semiconductor substrates and semiconductor devices June 30, 2009
A semiconductor substrate includes a semiconductor base substrate that has an oxide film selectively formed on a part thereof, the oxide film having a non-uniform thickness; and a semiconductor layer that is formed on the oxide film by epitaxial growth so as to have a non-uniform thickne
7553457 Chemical processing apparatus for manufacturing circuit substrates June 30, 2009
A chemical processing apparatus includes a chemical tank that stores a chemical, means for transferring an object to be processed into the chemical and a lid disposed to cover a liquid surface of the chemical and to float on the chemical.
7553364 Ferroelectric thin film formation composition, ferroelectric thin film and method of fabricating June 30, 2009
Provided are a ferroelectric thin film formation composition, a ferroelectric thin film and a method of fabricating a ferroelectric thin film, the ferroelectric thin film formation composition being capable of effectively preventing occurrence of a striation and expanding the range o
7553360 Ink composition for ink jet recording, recording method and recorded matter June 30, 2009
There is provided an ink composition that, even on various recording media, especially gloss paper of a printing paper base, can yield an image having excellent gloss, can realize good recovery from clogging and handleability of recorded matter, and, at the same time, can realize exc
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