Abstract: A print medium with encoded data and a print media detection system for use in detecting at least one characteristic of the sheet of print medium based on the encoded data are disclosed. The encoded data is designed to minimize its visual perceptibility. The print media detector is designed to recognize various characteristics of print media based upon the encoded data and transmit information regarding these characteristics to a printing device so that one or more operating parameters of the printing device can be adjusted to help optimize print quality for the particular characteristics of a particular print medium. A printing device including the print medium and print media detection system is also disclosed. A method of detecting one or more characteristics of print media used in a printing device is additionally disclosed.

Abstract: An image output device includes two color ink cartridges. The first color ink cartridge is filled with yellow ink, magenta ink, and cyan ink. Besides, the yellow ink nozzle, first magenta ink nozzle, first cyan ink nozzle eject the yellow ink, magenta ink, and cyan ink respectively. The second color ink cartridge is filled with black ink, magenta ink, and cyan ink. Besides, the black ink nozzle, second magenta ink nozzle, and second cyan ink nozzle ejects the black ink, magenta ink, and cyan ink respectively. The second magenta ink nozzle has a diameter smaller that of the first magenta ink nozzle, and the second cyan ink nozzle has a diameter smaller that of the first cyan ink nozzle. The color ink cartridge ink having the nozzle with small diameter is driven to create small ink drops or light ink drops. It improves the image resolution and creates a six-color tone expression. Moreover, the cost of manufacturing the printhead will not increase and the controlling method will not become complicated.

Abstract: A discharge port array is having first discharge port groups each having eight discharge ports (sixteen discharge ports in total) including an end discharge port, and a second discharge port group having the remaining discharge ports located at an intermediate portion between the first discharge port groups. As opposite to the discharge port array, a discharge port array has the second discharge port groups located at both end portions of the array and the first discharge port group located at an intermediate portion between the second discharge port groups. Ink droplets each having a volume of 5.0 pl are discharged from the discharge ports of the first discharge port groups, while ink droplets each having a volume of 2.5 pl are discharged from the discharge ports of the second discharge port group. With this configuration, generation of a stripe can be prevented upon solid printing.

Abstract: A fluid ejection and scanning system includes a fluid ejection assembly. The assembly includes a first plurality of photosensors, and a first plurality of ejection elements. Each of the ejection elements is configured to cause fluid to be ejected when the ejection element is activated. Each one of the photosensors in the first plurality is coupled to a respective one of the ejection elements for activating the ejection element. A second plurality of photosensors captures image data to generate a digital image of a media. A first light source of the system emits a light beam. A control system scans the light beam across the printhead assembly and selectively illuminates the photosensors in the first plurality, thereby activating the ejection elements coupled to the illuminated photosensors.

Abstract: An inkjet printing system and method for printing using both pigmented inks and dye-based inks. A supply of pigmented ink of a certain color is provided, along with another supply of dye-based ink of the same color. A pigmented nozzle array controllably deposits drops of the pigmented ink of the certain color, while a dye-based nozzle array controllably deposits drops of the dye-based ink of the same color. A region of a media is printed with the color by depositing, as governed by a controller, drops from the pigmented supply and drops from the dye-based supply on different subregions of the region.

Abstract: Determining the control points for constructing a lookup table from a first color space to a second color space is disclosed. Black and white control points are determined based on an allowable total colorant amount and an absence of colorant, respectively. Control points between the black control point and the white control point are determined. A primary control point is determined for each of a number of first and secondary primary colors, based at least on the allowable total colorant amount. Control points between the white control point and the primary control point for each primary color are also determined. Control points between the black control point and the primary control point for each primary color are finally determined.

Abstract: A droplet deposition apparatus includes an elongate chamber having a nozzle through which in operation droplets of liquid are ejected from the chamber for deposition, means for varying the pressure of liquid in the chamber by varying the volume thereof to effect ejection of the droplets and means for causing a flow of liquid in the chamber in addition to that necessary to replenish the ejected droplets, the flow passing across the nozzle to clean it.

Abstract: A fluid ejection assembly includes a substrate and a plurality of fluid ejection devices each mounted on the substrate. The substrate includes a frame formed of a first material and a body formed of a second material such that the body substantially surrounds the frame and forms a first side and a second side of the substrate with each of the fluid ejection devices being mounted on the first side of the substrate.

Abstract: An ink jet print cartridge having a compact electrical interconnect structure that includes a plurality of pairs of columnar arrays of electrical contact areas disposed on a rear wall of the print cartridge and electrically connected to ink drop generators arranged in primitive groups.

Abstract: An ink jet recording method comprising discharging ink from a leading edge of a projection to form an image, in which (1) the ink is discharged by applying a voltage across electrodes based on an image data signal, and forming a meniscus around the leading edge of the projection in synchronism with the image signal, or (2) the ink is discharged by forming a meniscus around the leading edge of the projection based on an image data signal in an electrostatic field.

Abstract: A piezoelectric element with stable and excellent piezoelectric properties is made by: a step of forming a diaphragm 30 (31, 32) on a substrate 20 (S1); a step of forming a bottom electrode 33 on the diaphragm 30 (S2); a step of forming a first piezoelectric layer 43a on the bottom electrode 33 (S3); a step of patterning both the piezoelectric layer 43a and the bottom electrode 33 (S4); a step of forming a second piezoelectric layer on the piezoelectric layer 43a and on the diaphragm 30 to mature a piezoelectric film 43 (S5); and a step of forming a top electrode 44 on the piezoelectric film 43 (S6).

Abstract: An object of the present invention is to provide a method for manufacturing ink jet recording heads by simple and inexpensive means. In order to realize this object, the present invention forms thin film piezoelectric elements using the so-called transfer method, and joining these to a pressure chamber plate. First, a forming plate 8 is prepared beforehand, provided with concavities 82 corresponding to the shapes of thin film piezoelectric elements 5, and upper electrodes 4 and a piezoelectric film 3 are formed as films inside the concavities 82. Then either a lower electrode or a vibration plate 2 is formed so as to cover the piezoelectric film 3, and the thin film piezoelectric elements 5 are fabricated. A substrate 1 constituting a pressure chamber plate is joined to the thin film piezoelectric elements 5, and the thin film piezoelectric elements 5 are removed from the forming plate 8.

Abstract: An ink stick push block for use in a system for feeding solid ink sticks in a phase change printer, wherein each solid ink stick has an ink stick face surface having an ink stick face surface contour and an ink stick rear surface having a nonplanar ink stick rear surface contour, the ink stick push block. The push block includes an ink stick push block face having a nonplanar ink stick push block face contour, wherein at least a portion of the nonplanar ink stick push block face contour is the complement of at least a portion of the nonplanar ink stick rear surface contour.

Abstract: A printing system includes a printing device fluidly communicating with a main ink reservoir and a vacuum pump. The main ink reservoir refills one or more reservoirs mounted within the printing device when the ink contained therein falls below a defined tolerance level. The vacuum pump varies a level of a vacuum or partial vacuum within the reservoir to maintain a pressure level at one or more nozzles of one or more print heads mounted in the printing device. Variations in the level of the vacuum or partial vacuum can be based upon the desired pressure at the nozzles, the particular volume or level of ink stored within the reservoir, and the type of ink stored within the reservoir. Through creating the vacuum or partial vacuum, the inks stored within the reservoir are degassed before being delivered to the print head.

Abstract: An ink flow passage 7f is formed from an ink storage chamber of an ink cartridge 7 to an ink supply port. A passage control system 7j is located in the ink flow passage. The passage control system is capable of opening and closing the ink flow passage when receiving a drive force from an actuator 32. Particularly, air bubbles A1 staying on a filter member 22 within an ink supplying needle 21 is effectively discharged to a capping system 9 in a manner that a negative pressure is accumulated in an inner space of the capping system 9 in a state that the passage control system 7j is placed to a valve closing state. The passage control system 7j is provided in the ink cartridge. Accordingly, every time the ink cartridge is exchanged with a new one, the passage control system 7j is also exchanged with a new one. Accordingly, the printing function restoring operation performed through a cleaning operation based on the negative pressure accumulation is improved in reliability.

Abstract: A disposable ink assemblage intended for an ink cartridge includes an ink bag containing an ink supply, and an ink egress snout attached to the bag and from which the ink supply is to be discharged from the bag. The snout is configured to be received in a collar only when the collar is in any one of a number of allowable orientations, and to fix the collar relative to the snout in a selected one of the orientations in order that the fixed orientation of the collar may serve to identify the ink supply in the bag.

Abstract: An ink cartridge includes a flexible bag filled with a liquid ink, and a cartridge housing that holds the bag. The bag is filled to a predetermined percentage of its full volume to fill the bag to less than its capacity in order to prevent the bag from rupturing, but is filled sufficiently to substantially occupy the housing when folded. Preferably, the bag has a width that is greater than a width of the housing and has a length that is less than a length of the housing so that the bag need only be folded widthwise to fit in the housing.

Abstract: A liquid container which can precisely detects existence/absence of residual liquid at a low cost, a cartridge including the liquid container, and a printing apparatus using the cartridge. The lengthwise direction of a triangular prism provided on the bottom of the ink tank is along a direction of print medium conveyance in the printing apparatus, such that when an ink-jet head cartridge holding the ink tank is attached to the printing apparatus for performing printing, light emitted from an optical unit of the printing apparatus is precisely captured by the prism. Further, if two ink-jet head cartridges are mounted on the printing apparatus, the first and second ink-jet head cartridges are set in positions shifted from each other by a length shorter than the length in the lengthwise direction of the prism, such that the light emitted from the optical unit reaches the prisms provided in the ink tanks of the first and second ink-jet head cartridges.

Abstract: A thermal ink jet printer for printing an image on a receiver and method of assembling the printer. The printer comprises a print head defining a first chamber and a second chamber therein. The first chamber contains a working fluid and the second chamber contains an ink body. A flexible membrane separates the first chamber and the second chamber. A first transducer in the first chamber induces a first pressure wave in the working fluid that flexes the membrane into the second chamber to pressurize the ink body and eject an ink drop from the second chamber through an outlet. A second transducer in the first chamber induces a second pressure wave that flexes the membrane into the second chamber to damp the first pressure wave transmitted into the second chamber.

Abstract: An ink-jet printing apparatus is constructed to have one or more kinds of cloth printing modes and to select the cloth printing mode. In the cloth printing mode, at least one of printing condition is differentiated from the printing condition for other media. Also, by permitting various setting for the ink ejection amount and ejection method in the cloth printing mode, fine and precise textile printing can be performed by normal ink-jet printer in personal use.

Abstract: The spectacle frames comprise a plurality of frame elements, such as earpieces, rims, bridges and other parts, which form the structure. These elements of the structure are made of metal and their surfaces are protected by a stratiform electrochemical coating. Advantageously, the coating comprises a layer of copper, on top of which a layer of silver is preferably applied.

Abstract: In a sight piece, in particular for skiing goggles or the like, comprising a distal and a proximal sheet united by a flexible seal and spacer element that encircles along the edge, it is provided that the sheets are glued together by means of the seal and spacer element without the use of additional adhesive.

Abstract: An optical device in the form of reading glasses is made to be discreet and easily transported. The device comprises a lens; a nosepiece; a weighted counterbalance; and a supporting bar interconnecting said nosepiece between said lens and said counter balance. At least one of the lens, the nosepiece, and the counterbalance is adjustably displaceable about and along said supporting bar for maintaining balance.

Abstract: An openable attachment sunglass to the spectacles includes a sunglass having a pair of plane dark colored glasses connected by a bridge and a horizontal bar projected inward from the inside of the bridge and pivoted to an upright lug on the top of a clip which is composed of an upper clip plate pivoted to a horizontal lug on rear side of the upper clip plate. Each of the upper and lower clip plates has a pair of obliquely and symmetrically extended branches on front side made in registry with each other and each of the branches has a magnet in distal portion. When the clip clips the bridge of the spectacles, the upper and lower clip plates will firmly clip each other due to the attraction of the magnets. The sunglass is able to turn upward to form a right angle relative to the lens plane of the spectacles when the user stays indoor.

Abstract: A method and apparatus for mounting auxiliary eyeglasses on conventional eyeglasses in which magnets are attached to appendages on the auxiliary eyeglasses mating with magnets mounted on the temple extensions of conventional eyeglasses. The magnets on the auxiliary eyeglasses are mounted in sockets formed on the appendages of the auxiliary eyeglasses such that their maximum magnetic force is oriented vertically or parallel to the plane of the conventional eyeglass frame. The appendages on the auxiliary eyeglass frame fit beneath the temple extensions on the conventional eyeglasses frame to hold the auxiliary frames in place solely by the magnetic attractive force. The orientation of the magnets is such that the maximum magnetic force resists any downward movement of the auxiliary eyeglasses on the conventional eyeglasses when installed. In a modification of the embodiment, a clip is attached to or formed on the bridge of the auxiliary eyeglasses for fitting over the bridge of the conventional eyeglasses.

Abstract: A method and a device for mounting eyeglass lenses, wherein branches and a bridge are connected by plastics material filaments engaged in peripheral grooves in the lenses and having at their ends lugs extending over the lenses and including holes or eyelets through which are passed fixing means such as screws or rivets.

Abstract: A bridge of the nose eyewear support system for providing comfortable support of eyewear and eliminating unwanted cosmetic blemishes or indentations on the side of a users nose. The bridge of the nose eyewear support system includes a central support member couplable to the bridge portion of eyewear, which is designed for resting on a bridge of a user's nose, and providing a single contact interface between the bridge portion of the eyewear and the user's nose.

Abstract: A method of producing an optically molded product of a thermoplastic resin by injection compression molding, the method comprising the steps of: (1) expanding the volume of a cavity more than the volume of the optically molded product of interest; (2) injecting a molten thermoplastic resin into the cavity through an injection cylinder; (3) compressing the expanded cavity to a prescribed thickness of the molded product; (4) returning an excess of the thermoplastic resin produced by the compression into the injection cylinder; and (5) keeping the molten thermoplastic resin in the cavity until the molded product of interest is formed. The present invention makes it possible to produce an optically molded product (for example, a spectacle lens) free from a weld line and excellent in surface accuracy using a metal mold having a simple structure industrially advantageously.

Abstract: The present invention relates to a novel instrument for the examination of an eye, namely the retina. The instrument features a LCD display for projection of various types of patterns and stimuli via an optical system onto the retina. The retina can be visualized by live IR image sequences as well as by visible light still frame images. It combines five examination types within one instrument, namely a perimetry examination, a microperimetry examination, a fixation stability examination, a scotoma boundary detection and psychophysical examinations.

Abstract: A device 10 for rotationally moving a mirror includes a mirror mount 20 connected to a pivot lever 22. A motor 12 having a lead-screw 14 moves the lead-screw in a linear manner along an axis 26. An elongated angled member 18 is connected to the lead-screw 14 and abuts the pivot lever 22. The elongated angled member 18 is set at a non-parallel angle with respect to the lead-screw 14 so that as the lead-screw 14 is moved along its axis 26 the elongated angled member 18 causes the pivot lever 22 to pivot, and in turn, causes the mirror 20 to rotate.

Abstract: In order to observe a front eye portion of an eye (E) to be examined, when a frame is moved to within a first region to approach the eye E to be examined, a stereo angle converting portion as means for shifting an optical path and a color temperature converting element (61) as optical converting means are removed from right and left optical axes (L1 and L2). On the other hand, in order to observe an eye fundus portion of the eye (E) to be examined, when the frame is moved to within a second region to leave the eye (E) to be examined, the stereo angle converting portion and the color temperature converting element (61) are disposed on the right and left optical axes (L1 and L2).

Abstract: An intraocular correction lens and a method of designing such a lens. According to the invention the lens is capable of reducing aberrations of an eye after its implantation and it is adapted to be placed between the cornea and the capsular bag of the eye.

Abstract: It is an object of the present invention to implement a display providing high optical efficiency irrespective of the size of a light valve, and capable of enhancing the uniformity of the luminance of an image to be projected. In order to attain the foregoing object, for example, as shown in FIG. 1, a light valve 103 of a projector is located roughly at the focus point of an illumination lens 102. Further, as shown in FIG. 2, a light source 101 is also located roughly at the focus point of the illumination lens 102. Consequently, it is possible to implement a miniaturized projector.

Abstract: Disclosed is a projection type display apparatus comprising: a color light generator for generating primary color lights; three light valves for respectively modulating the primary color lights; a color synthesizer for synthesizing the primary color lights which have been modulated by the light valves, respectively; a plurality of pre-PBSs each of which is provided between the primary color light generator and the respective light valves and is for removing polarized component unnecessary for illumination of the respective light valve; a plurality of main PBSs each of which is provided at a position that is between the respective pre-PBS and the respective light valve and is between the respective light valve and the color synthesizer and is for removing polarized component unnecessary for illumination of the respective light valve and polarized component unnecessary for projection to the screen in the primary color light modulated by the respective light valve; and a plurality of post-PBSs each of which is p

Abstract: The present invention comprises a polarizer adhered on a flange plate at the top end of a L-shape base, an aslant surface on one side of the base, two sleeve screws protruded from the center of the aslant surface, an air duct defined between an upper base and a lower base of a Z-shape fixed base, two slots disposed on the lower base for receiving the sleeve screws, and two fixing bolts securing the washers onto the sleeve screw to limit the fixed base on the aslant surface of the base. A supporting surface is formed at a flange disposed downward at both ends of the upper base of the fixed base for gluing a half-wave plate. An adjusting mechanism protruded from the lower side of the fixed base extends into a recess at the lower end of the aslant surface; a screw hole is disposed on a side of the base and having an adjusting slot with its end propping one side of the adjusting mechanism; and an elastic member with its ends respectively fixed to a side of the base and a hole of the adjusting mechanism.

Abstract: A color wheel including a motor, a color filter and a washer. The color filter is set on the motor. The washer is set both on the motor and the color filter and the color filter is set between the washer and the motor. A recess is formed between a circumferential edge of an outer surface of the washer and the color filter. In addition, the invention also provides a washer of a color wheel.

Abstract: Illumination system for a videoprojector, which comprises a lighting lamp (1) emitting a light beam on a first optical axis (AB) and a projection lens (10) crossed by said light beam along a second optical axis (DE), said first optical axis (AB) and second optical axis (DE) not being substantially parallel to each other and respectively pertaining to a first plane (P1) and second plane (P2), said light beam being guided along an optical path by optic deflecting means (6; 11, 11′), which shift it from the first plane (P1) to the second plane (P2) and optic handling means (7, 8, 97, 8, 9; 12, 9′, 9, 9′″) shifting it from the first optical axis (AB) to the second optical axis (DE), said optic handling means (7, 8, 9; 7, 8, 9, 12, 9′, 9, 9′″) comprising an image forming device (9). According to the invention the geometric projection of the optical path on the first plane (P1) comprises a closed path (BB′CDX).

Abstract: The present invention discloses a projecting device without prisms. The projecting device comprises a light source for generating an incident light beam, a reflective image module comprising a plurality of reflective surfaces which can be separately controlled to generate the image-containing reflected light beam, a first lens set for concentrating the incident light beam, a reflective mirror for reflecting the incident light beam and concentrating the light beam through the first lens set onto the image module, and a second lens set installed between the light source and the reflective mirror for shortening an optical path from the light source to the reflective mirror. The optical path of the incident light beam reflected from the image module intersects a plane formed by the optical paths of the incident light beam from the light source to the reflective mirror and from the reflective mirror to the image module at one point, thus interference of the light beams is prevented.

Abstract: A light-gathering device for concentrating light. The light-gathering device may be used as a stand-alone telescope or as an attachment to a standard telescope. When used as an attachment to a standard telescope, the light-gathering device increases the effective aperture size of the telescope. The light-gathering device is comprised of two conical sections with highly polished mirrored surfaces. The larger of the two conical sections is orientated such that the large end faces toward the object to be viewed. Light enters the area between the two conical sections and is condensed within the sections until it exits from the device in a more concentrated form.

Abstract: An optical apparatus includes a nonplanar light-reflecting surface having a shape referenced relative to an orthogonal axial system having an x-axis, a y-axis, and a z-axis. The light-reflecting surface has a non-circular conic profile with a conic axis and a distance f from a conic vertex to a finite focal point of the conic, wherein the non-circular conic profile is determined in a yz-plane containing the y-axis and the z-axis. The light-reflecting surface has a circular profile with a circular center and a radius of curvature r numerically equal to the distance f from the conic vertex to the finite focal point of the conic, wherein the circular profile is determined in an xz-plane containing the x-axis and the z-axis. A point light transceiver is at a transceiver location, wherein the transceiver location lies on the conic axis in the yz plane, and also at the circular center in the xz plane.

Abstract: An exterior rearview mirror of a passenger motor vehicle has a retaining foot which can be fastened to a vehicle body in the region of a mirror triangle by fastening means. In order to simplify the installation and removal of an exterior rearview mirror of this type, the fastening means have at least one retaining bracket which is arranged on the retaining foot and is configured in such a manner that it can be hooked in gripping from behind at an edge of an opening formed in the vehicle body in the region of the mirror triangle. The fastening means have at least one latch which is arranged on the retaining foot and is mounted on the retaining foot in a manner such that it can be adjusted between an unblocking position, in which the latch, with the retaining bracket hooked in at the edge, unblocks the edge, and a locking position, in which the latch, with the retaining bracket hooked in at the edge, grips behind the edge.

Abstract: A light guide of a backlighting module for a display apparatus includes a plate body disposed adjacent to a linear light source in a first direction corresponding to a light propagating direction of the light source. The plate body has first and second surfaces opposite to each other in a second direction that is transverse to the first direction. The light guide further includes a dielectric layer formed on the first surface of the plate body, and a reflective layer formed on one side of the dielectric layer opposite to the first surface of the plate body. The dielectric layer has a refractive index smaller than that of the plate body.

Abstract: An apparatus that appears to actively track the position of a viewer by producing a red circle about the viewer's image, seen in a security mirror. The red circle appears to translate and rotate to track the viewer's position. Rotational tracking operates independently of the mirror.

Abstract: A suspended light source holder for an organic jack-o-lantern, with a light source holder removably positionable within the interior of the organic jack-o-lantern, and with a securing portion for securing the suspended light source holder to the top of the organic jack-o-lantern.

Abstract: A system for directing light from a luminaire. The system for directing light from a luminaire, according to the present invention, includes a source of light. A first reflecting device is installed in the luminaire for reflecting light from the source of light and directing substantially indirect lighting from the luminaire. The first reflecting device is formed with an opening. The opening allows unreflected light to pass through the first reflecting device to a second reflecting device mounted in the luminaire. The first reflecting device includes a window mountable in the opening for diffusing light. The first reflecting device also includes a lens. The second reflecting device is a multiple surface reflector assembly for directing a combination of direct lighting and luminous lighting from the luminaire through and along a fascia that is engageable with the luminaire.

Abstract: A light display apparatus to illuminate diffused light in a variety of chosen designs including letters, objects, numerals, images, etc. Design consisting of a plurality of lights housings mounted on the back surface of the display apparatus. Light housings have light emitting bulbs that diffuse light through a light diffusing material. Plurality of lights are secured into a plastic type housing with internal diffusing material contained therein, such housing conforms to the shape of the display apparatus. Display apparatus is designed with a frontal and side surface to pass through or diffuse light to the viewer and a rear surface to secure lights, whereas side and rear surfaces may or may not pass light depending on design requirements.

Abstract: An area lighting device comprises a plurality of panels arranged into a hollow box having interconnected side walls and open bottom; and at least one of the side wall panels comprising a light emitting panel having a lighted side facing inside the hollow box.

Abstract: A light emitting diode (LED) warning signal light, the warning signal light comprising a plurality of light sources constructed and arranged with a reflector or cullminator, the LED light source being in electrical communication with a controller and a power supply, battery, or other electrical source. The warning signal light provides various colored light signals for independent use or use by an emergency vehicle. These light signals may include a strobe light, revolving light, an alternating light, a flashing light, a modulated light, a pulsating light, an oscillating light or any combination thereof. Additionally, the warning signal light may be capable of displaying symbols, reverse characters, or arrows. The controller may further be adapted to regulate or modulate the power intensity exposed to the illuminated LED's to create a variable intensity light signal.

Abstract: A controlled-luminance lighting device comprising a fluorescent light source of a linear type (5), which extends longitudinally between a reflector (1) that is formed by an elongated body having a curved surface, and a set of transverse fins (3), which are set at a distance apart from one another and which define a grill for directional control of the light emitted by the light source (5). The reflector (1) defines, together with the transverse fins (3), a plurality of elements (2) set alongside one another of a generally parabolic shape.

Abstract: A curvilinear lighting louver is described in which first and second reflectors are formed in curvilinear configurations with respect to an axis, with parabolic reflector surfaces facing toward and away from the axis. Baffles connect the first and second reflectors between the first and second parabolic reflector surfaces. The baffles include third parabolic reflector surfaces extending substantially radially with respect to the axis.