Abstract: An ink jet recording apparatus includes an ink jet head having a pressure chamber opposed to a nozzle, an upstream port that communicates with the pressure chamber, and a downstream port, a first tank that communicates with the ink jet head via the downstream port and is capable of storing an ink, a second tank that communicates with the first tank and is capable of storing the ink, a third tank that communicates with the ink jet head via the upstream port and communicates with the second tank and is capable of storing the ink, an opening and closing mechanism that is capable of opening and closing a circulation path that connects the ink jet head, the first tank, the second tank, and the third tank, and an air pressure adjusting mechanism that is capable of adjusting an internal air pressure in at least one of the first tank, the second tank, and the third tank.

Abstract: A printhead assembly for an ink jet printer. The printhead assembly includes an ink supply assembly having an elongate extrusion defining a number of distribution channels for distributing ink to a printhead via an end cap operatively fitted to said extrusion. The end cap includes an upper plate and a lower plate hingedly linked by means of a spine, and a plurality of plugs defined on the spine to plug said distribution channels when the cap is fitted to the extrusion. The upper plate defines apertures for operatively arranging said distribution channels in fluid communication with ink delivery hoses.

Abstract: A flow path connecting device includes a first flow path having a first connector and configured to channel fluids, a second flow path having a second connector and configured to channel fluids, a moving unit configured to move at least one of the first and second connectors, to interconnect the first and second connectors so that the first and second flow paths are communicated with each other, and to separate the first and second connectors from each other, and a control unit configured to control the moving unit, when the first and second connectors separate from each other, to set a relative speed of the first and second connectors to a first speed or less in a period from a start of the separation till a lapse of predetermined time, and set the relative speed to a second speed that is higher than the first speed after the lapse of the predetermined time.

Abstract: An ink-cartridge accommodation device including: a case which has a front opening and which accommodates an ink cartridge storing ink so as to permit the ink cartridge to be inserted into and withdrawn from the case through the front opening; and a connector which is disposed in a rear portion of the case so as to be opposed to the front opening, which is to be connected to an ink supply portion of the ink cartridge, and which includes (a) an ink introducing pipe portion projecting toward the front opening, (b) a guide rib portion provided around the ink introducing pipe portion so as to project toward the front opening for guiding the ink supply portion, and (c) a drain hole provided between the ink introducing pipe portion and the guide rib portion to drain the ink.

Abstract: A semiconductor device includes: a semiconductor substrate including an active element formation face on which an active element is formed, and a rear face that is on a side opposite to the active element formation face; a penetration electrode penetrating the semiconductor substrate; an element electrode formed on or above the active element formation face; detection electrodes formed on or above the rear face, electrically connected to the element electrode via the penetration electrode, and detecting a remaining amount of the ink by being wet in the ink; a storage circuit storing the remaining amount of ink; an antenna formed on either one of the active element formation face and the rear face, transmitting and receiving information; and a control circuit controlling the detection electrodes, the antenna, and the storage circuit.

Abstract: An ink jet ink reservoir having a part of its members formed of a polyolefin resin is provided which is free from printing defects caused by filter clogging attributable to a compound derived from an antioxidant. An ink jet ink reservoir used in an ink jet recording apparatus, wherein a part of constituent members of the ink jet ink reservoir is formed of a polyolefin resin, wherein the polyolefin resin contains as additive an antioxidant at least with a hindered phenol skeleton and a phosphorus antioxidant more hydrophobic than bis(2,6-di-t-butylphenyl) pentaerythritol diphosphite (denoted by P-6). The members are free from a phosphorus antioxidant having hydrophobicity equal to or lower than the above P-6.

Abstract: An image forming apparatus includes a cartridge which ejects an ink, a chamber having an inlet unit which inhales a fog generated when the ink is ejected from the cartridge and an outlet unit which exhales the inhaled fog, an air pressure generating unit which is connected to the chamber to generate an air pressure to inhale and exhale the fog from the chamber, and a valve unit which selectively opens and closes the inlet unit and the outlet unit by the air pressure which is generated in the air pressure generating unit.

Abstract: An image forming apparatus that includes a discharge tray on which a sheet discharged from a discharge port is stacked; a sheet retainer, which guides the sheet discharged from the discharge port onto the discharge tray and is displaced in abutment against an uppermost sheet stacked on the discharge tray, the sheet retainer removing electricity of the sheet; and a detection unit, which detects a stack of the sheet on the discharge tray on a basis of a position of the sheet retainer.

Abstract: An image forming apparatus includes an apparatus body, a conveying mechanism that is provided in this apparatus body and conveys a sheet, a recording head that ejects an ink to the medium conveyed by this conveying mechanism and records an image on the medium, and a sheet guide that is spaced apart from and opposed to this recording head, guides the sheet, and is provided to be freely inserted into and taken out from the apparatus body.

Abstract: An image forming apparatus includes an apparatus main body, a transport mechanism that is provided in the apparatus main body and transports a sheet, a recording head to record an image by discharging ink to the sheet transported by the transport mechanism, a sheet guide that is provided to be opposite to the recording head and guides the sheet, a transport roller provided at an upstream side of the sheet guide in a sheet transport direction, an ejection roller provided at a downstream side thereof, and a transport unit that integrates the medium guide, the transport roller and the ejection roller and is provided to freely come in and out of the apparatus main body.

Abstract: The present invention illustrates various methods of attaching a pair of eyeglass lenses or a lens shield to an eyeglass frame using magnets or magnetically attractive material. The magnetic attachment methods are beneficial because they allow the user to have interchangeable lenses or shields for indoor and outdoor use, enhancing their visual acuity during work or play. The lenses may be tinted, prescription, protective eyewear, or plano. The magnetic lenses are convenient and user friendly, allowing intuitive, tool-less interchangeability with no need to twist or stress the frame. These methods of attachment require no specific instructions or tools when the user replaces lenses.

Abstract: This invention is an eyeglass holder attachable to clothing, office and shop equipment, handbags, luggage, vehicles and personal transportation. Cooperating clip arms of three designs—straight, rounded and comb shape—close on or around the desired attach object. A closing clasp at the end of the clip provides additional fastening for holding the clip in position around an object such as a strap or belt.

Abstract: A face protector includes a one piece shield in which an optical center is displaced away from the normal straight ahead line of sight toward an activity specific line of sight to minimize image shift that occurs when a direction of gaze passes across the edge of the shield. An apex of the shield is formed at a forwardmost point of the shield, or a virtual extension of the shield, when the shield is in an as worn position on a wearer. In particular examples, an optical axis extends through the optical center, at a non-zero angle to the normal straight ahead line of sight and substantially parallel to the activity specific line of sight, with the optical center being placed away from the apex. In particular examples, the optical axis is closer to (or coincident with) an activity specific line of sight of one of the right or left eye. The face protector is particularly useful in activities such as sports, for example hockey, football, or baseball which involve activity specific lines of sight.

Abstract: Significantly faster state transitioning time between the optimal optical density for viewing 2D Movies as 3D movies through Continuous Adjustable 3Deeps Filter Spectacles can be achieved by using multiple layers (multi-layer) of electronically controlled variable tint materials to fabricate the right and left lenses of the 3Deeps spectacles. The use of multi-layered lenses may result in as much as a 50% decrease in transition time between states. The invention also relates to Multi-Use Electronically Controlled Continuous Adjustable 3Deeps Filter Spectacles that house within a single spectacle frame several layers of optoelectronic material in which each layer of electronically controlled relates to a different method of viewing.

Abstract: The object of the invention is to provide a favorable spectral characteristic that reduces variation depending on the frequency of received light intensity, and that is gentle on a subject eye. It also eliminates displacement between positions of respective spectral images of the same part even if a change in alignment occurs between the eye and apparatus with the lapse of time.

Abstract: Methods, apparatus and computer program products reduce bandwidth requirements in mobile video and gaming applications by tracking a gaze fixation point of a user on a video image at a remote location; generating information identifying the gaze fixation point at the remote location; transmitting the gaze fixation point information to a source of video information over a network; determining a portion of a video image to transmit at a high resolution and a remaining portion to transmit at a low resolution using the transmitted gaze fixation point information; and transmitting the portion of the video image selected for transmission at a high resolution at the high resolution and the portion of the video image selected for transmission at a low resolution at the low resolution.

Abstract: An eyeball locating system includes a display panel, an application program and a matrix optical sensor. The matrix optical sensor is disposed in the display panel. The application program controls the matrix optical sensor, executing an eyeball locating method to measure the movement of an eyeball including an eye white and a pupil. The method includes: providing a default graph showing the change of light energy; defining a default characteristic value of the pupil according to the default graph; shining light on the eye white and the pupil, a part of the light reflected by the eye white and the pupil to form a reflecting light; detecting the reflecting light energy to form a measured graph showing the change of reflected light energy; calculating a measured characteristic value according to the measured graph; and comparing the default with the measured characteristic values to determine the change of the pupil.

Abstract: The invention relates to a device for measuring the optical properties of an eye, comprising an optical signal generator and optical guide means leading from the optical signal generator in the direction of the eye to be examined, wherein the optical signal generator is adapted to project an image through an optical path comprising the optical guide means and onto a reflective structure in the eye to be examined, wherein the device is adapted to couple the optical guide means of the device to optical guide means of an optical medical instrument so that the optical path extends through the optical guide means of the optical medical instrument. Such an optical medical instrument can be formed by an operating microscope, a so-called split lamp or by a fundus camera.

Abstract: Elements of an optical system (12) of a projection type image display apparatus are stored in an optical system storage (46) having an upper opening in such a way that the optical element to be arranged close to a light source is fitted in the frame provided in the high-temperature region of the optical system storage (46) close to the light source, while the rest of the optical elements are respectively fitted in the frames in the low-temperature region of the optical system storage (46) remote from the light source. The upper opening in the high-temperature region is covered, in the low-temperature region, with a resilient metal lid (471), and, in the low-temperature region, covered with a resilient resin lid (472).

Abstract: A projection display device may include a housing which can be placed on a placing face with a lower face portion thereof distanced from the placing face; a fan, disposed within the housing, to suction from a first air inlet formed in the lower face portion; a filter detachably provided to the housing the as to close off the first air inlet; and a filter replacement access lid detachably provided to the housing so as to cover the filter closing off the first air only from the placing face side, with a second air inlet for suctioning of the fan provided in the filter replacement access lid; wherein the filter replacement access lid may be formed so as to protrude toward the placing face side from the lower face portion; and wherein the second air inlet may be formed in a face of the filter replacement access lid intersecting the lower face portion.

Abstract: A front projection display device having a projection module and a docking station. The docking station has a base. Further, the docking station can include an extendable arm attached to the base. The projection module contains an optical engine. The optical engine includes an illumination system, an imaging system, and a wide-angle projection lens. The optical engine outputs an image at a half field angle of at least 45°. The projected image has substantially no distortion and requires substantially no keystone correction.

Abstract: A projector determines horizontal and vertical tilt angles. Using the tilt angles and the inherent properties of the projector, keystone correction corner points for the image can be computed. The keystone correction corner points can be used to perform keystone correction on the image.

Abstract: A projection type image display apparatus includes an image display element, a first lens group disposed in a light direction with respect to the image display element and configured to include a plurality of lenses, a second lens group disposed in a light direction with respect to the first lens group and configured to include a plurality of lenses, a reflection mirror, configured to reflect lights emitted from the first and/or second lens groups so as to project upon the screen obliquely, a first mounting base on which the first lens group is mounted, a second mounting base on which the second lens group is mounted, and a chassis configured to store the first and second lens groups, the reflection mirror, and the first and second mounting bases. The first mounting base is fixed at a bottom of the chassis, while the second mounting base is moveable.

Abstract: A light-emitting module has: a single reflector having a plurality of concave reflection surfaces; and light emitters in a same number as a number of the concave reflection surfaces. Each of the concave reflection surface has an outer shape partially notched at a boundary thereof with the adjacent concave reflection surface. Each of the light emitters emits light toward the concave reflection surface.

Abstract: A light integration rod having a light input end and a light output end opposite to each other is provided. The light integration rod includes a first reflective plate, a second reflective plate, a third reflective plate and a fourth reflective plate. The second reflective plate is opposite to the first reflective plate. The third reflective plate and the fourth reflective plate connect the first reflective plate and the second reflective plate, and are disposed opposite to each other. A long side of the first reflective plate is not equal to a long side of the second reflective plate. A short side at the light output end of at least one of the first reflective plate and the second reflective plate is separate from a short side of the third reflective plate and a short side of the fourth reflective plate at the light output end.

Abstract: An adjusting apparatus is provided for a projector having a base. The adjusting apparatus includes a supporting member and a rotating member. The supporting member is partially received in the base of the projector and movably coupled to the base. The supporting member forms a plurality of teeth thereon. The rotating member is rotatably coupled to the base of the projector and partially exposed out of the base. The rotating member forms a plurality of teeth mating with the teeth of the supporting member, when the rotating member is rotated in either of two directions, the base of the projector correspondingly moves up and down relative to the supporting member.

Abstract: A guardrail block includes an attachable support for signage, such as a reflector. The reflector may be mountable on the support, and the support may be integrated with a base or may be separate and attached to the base. For example, a support may be snap fit into the base and the base can be slip fitted into recessed channels formed in elongated extensions extending from a top surface of the guardrail block. The guardrail block may be made of a synthetic foam material, the support and base may be die injection molded, and the reflector may be reflective tape adhered to a surface of the support, for example.

Abstract: A vehicle interior mirror device disposed in a passenger compartment for reflecting a state of rear seats and traffic conditions behind a vehicle. The interior mirror device has reflection restricting means notched in a lower end of the interior mirror device to prevent a face of a passenger from being reflected, so that eyes of passengers seated in seats other than the driver's seat do not meet.

Abstract: A light-absorbing member has a substrate (101, 111) made of a material capable of absorbing light of which reflection is to be prevented, and an antireflection structure (102, 112, 303) having structural elements arranged on the surface of the curve in an array form at a period smaller than the wavelength of the light. The substrate having the shape of a curve viewed from a macroscopic viewpoint. The structural elements have a shape protruding or being recessed from a reference face corresponding to the curve of the substrate, and are arranged so that the straight lines connecting the reference face to the tips of the respective structural elements are nearly parallel to one another.

Abstract: A highly adaptable system for creating colorful spectral displays or for achieving a prismatic effect using visible light is provided. The invention includes a fixed-angle or monolithic prismatic element fabricated from plate glass mirror material. A compound version of this monolithic element wherein multiple single elements have been affixed to one another for the purpose of creating a more complex spectral display is also provided. The invention also includes a prism-like device that utilizes a standard mirror, mirrors, or other materials with highly reflective surfaces and water or a similar fluid that disperses light in a predictable manner at or on a specific target. Both the fixed prismatic elements and the adjustable light dispersing elements may be arranged into one or more arrays that may be used to create complex spectral displays on a variety of surfaces while utilizing one or more available light sources or a moving light source such as the sun.

Abstract: An embodiment of the invention discloses a wavelength converting system capable of emitting a second electromagnetic radiation having a second wavelength in response to a first electromagnetic radiation having a first wavelength, wherein an energy level of the first electromagnetic radiation is higher than that of the second electromagnetic level, and a positive correlation is between the first wavelength and the second wavelength.

Abstract: A switch plate area light for attachment to an electrical box includes a body having a first aperture adapted to accommodate an element selected from a switch and an outlet, a second aperture adapted to accommodate a screw for attaching the body to the electrical box, and a third aperture located at a light-directing portion of the body. The light further includes a light emitting diode (LED) located in the third aperture, wherein the third aperture is adapted to receive the LED. The light also includes a driver circuit, connected with the LED and mounted on the body, the driver circuit having a pair of wires to be interconnected with the circuitry of the electrical box without the removal of the electrical box, wherein no ground wire is used to connect the driver circuit, and a load borne by the element is not activated when the LED is on.

Abstract: A control cartridge (20) is inserted into the fitting housing (10). Mounted on the actuating shaft (38) of said cartridge is an actuating body (42) on which the tubular actuating lever (50) is fastened. A light guiding element (52) runs through the actuating lever (50). The light source (66) in the actuating body (42) emits light that is guided to the end of the actuating lever (50) by means of the light guiding element (52).

Abstract: A backlight chassis that is capable of preventing an unusual noise caused by vibrations of a backlight unit or a tubular lamp houses tubular lamps arranged behind a display panel via optical sheets. The backlight chassis includes lamp holding members provided on a lamp housing surface of the backlight chassis, for holding the tubular lamps at an approximate midpoint thereof, wherein the lamp holding members and the backlight chassis are defined by a unitary molded resin member.

Abstract: A power tool includes a motor, a lighting power source, and a housing assembly defining an axis that supports the motor and the lighting power source. The power tool also includes a lighting assembly with a light and an energy line that transmits energy to the light to thereby provide illumination. The light and the lighting power source are disposed in spaced relationship from each other relative to the axis. Furthermore, the power tool includes a light holder supported by the housing assembly. The light holder supports the light and a portion of the energy line such that an end of the energy line unsupportedly extends beyond the light holder and electrically couples to the lighting power source.

Abstract: Illumination device (20) for box-like or chest-like items of furniture having a body, which is provided with at least one door or flap, which can be pivoted between a closed position and an open position in relation to the body or a withdrawable part, for example a drawer or the like, which can be displaced between a closed position in which it is pushed into the body and an open position in which it is withdrawn from the body. The illumination device (20) has a holder, which can be connected to an electrical current source, for an illumination means (40), wherein a switch, which interrupts or opens the electrical connection in the event of a predetermined position of the door or flap or withdrawable part in relation to the body, is provided in the electrical connection between the current source and the illuminations means.

Abstract: According to one embodiment of the invention, a method comprises receiving a time-varying power waveform. The power waveform may be periodic and/or phase-controlled. Compressed within a power range associated with the time-varying power waveform, a pulse width modulated (PWM) signal is produced, which is supplied to a light source in order to produce a lighting effect emulating lighting from a candle flame.

Abstract: An apparatus for illuminating the interior of a balloon includes a cylindrical plug with an integrally-formed radially extending integral flange insertable within the balloon neck. A light element is affixed to the plug and disposed within the neck. A battery is electrically connected to the light element and is typically mounted next to the light element, or includes the light element in a single assembly. Switching is provided to turn the lighting element on and off which, in the preferred embodiment is effected by inflating the balloon with the apparatus inserted into the balloon neck. The light element may be affixed to the head of the apparatus by magnetic means, by means of a screw-on cap, or by other well-known techniques.

Abstract: A flashlight having a handle with a clamp integrated therein, so that the flashlight can be used in either hands-free or in a portable mode. A battery compartment is disposed within one of the clamp arms.

Abstract: A lighting device in the form of a handheld flashlight is provided that includes a plurality of light sources located within a swivel head pivotally connected to a main body. The main body has a yoke portion connected to the swivel head by a head attachment mechanism that includes locking detents to lock the swivel head into one of a plurality of positions. The lighting device also has a tail cap that engages the main body by way of a cam lock wheel to provide a closure to the battery compartment. The lighting device further includes multiple modes of operation having a plurality of switches that provide control in various lighting modes. The lighting device is configured to be powered by one number of batteries supplying a first voltage output and is configured to be powered by a second different number of batteries supplying a second different voltage output, and the batteries are installed in battery compartments and include spring biased contacts for ensuring proper orientation of the batteries.

Abstract: The present invention provides a lighting device having a body and a plurality of light source assemblies within a light housing. The light source assemblies include a light emitting diode disposed in tubular lens. The light housing is attached to an edge of the body.

Abstract: A battery cartridge has a casing adapted to releasably hold at least one battery, externally accessible contacts on the casing, and internal circuitry in the casing between the contacts and poles of the battery. A switch is mounted in the casing and connected to the circuitry between one of the poles and the respective contacts for controlling current flow therebetween.

Abstract: Gas discharge lamps can be driven with a circuit with a small form factor by an arrangement comprising a planar printed wiring board with at least one coil for driving a gas discharge lamp, wherein a reflector plate of the gas discharge lamp supports the planar printed wiring board.

Abstract: An LED package is comprised of a plurality of light emitting diodes (LED) of similar or differing wavelengths; a corresponding plurality of reflector cavities, a common combining chamber, and an integrating rod coupled to the combining chamber to provide a unitized beam at a common output aperture for the plurality of LEDs.

Abstract: A light source module including a plurality of first point light sources, a plurality of second point light sources, and a plurality of third point light sources is provided. The dominant wavelengths of lights provided by the first point light sources are within a wavelength range of a first color light, and at least two of the first point light sources emit light with different dominant wavelengths. The dominant wavelengths of lights provided by the second point light sources are within a wavelength range of a second color light, and at least two of the second point light sources emit light with different dominant wavelengths. The dominant wavelengths of lights provided by the third point light sources are within a wavelength range of a third color light, and at least two of the third point light sources emit light with different dominant wavelengths.

Abstract: A light emitting module includes a plurality of point light sources and a substrate applying driving power. Each of the point light sources includes a first light emitting chip emitting first light, a second light emitting chip emitting second light, and a third light emitting chip emitting third light. At least one restriction light emitting chip among the first, second and third light emitting chips has a larger light emitting area than that of a remainder of the light emitting chips, so that a light emitting intensity enough to display white light by mixing the first, second and third light is obtained.

Abstract: A backlight unit enables an LCD to realize five primary colors using a four sub-pixel structure. The backlight unit includes at least one fluorescent lamp of white color, at least one light source of yellow color, and at least one light source of cyan color. Alternatively, the backlight unit includes at least one first fluorescent lamp of white color having R, G, and B wavelengths, and second or/and third fluorescent lamps provided in between the adjacent first fluorescent lamps. The second fluorescent lamp is coated with yellow pigment, and the third fluorescent lamp is coated with cyan pigment.

Abstract: Certain exemplary embodiments can comprise a method, which can comprise controlling illumination of a set of illumination sources. The set of illumination sources can comprise a first subset of illumination sources and a second subset of illumination sources. Light from the set of illumination sources can be adapted to pass through a diffuser comprising a first zone and a second zone. The first zone can be physically and/or optically segregated from the second zone.

Abstract: A display includes a substrate having front and rear sides and defining one or more optical paths. A light source corresponding to each optical path is associated with the rear side of the substrate. Light propagates from the light source to the front side of the substrate through the corresponding optical path. Offsetting the light source from the centerline of the optical path improves light diffusion by promoting light reflection off the sides of the optical path. Multiple light sources of different colors can be associated with each optical path to provide for variable color output from each optical path at the front side of the substrate.

Abstract: A display apparatus includes a display part to display an image thereon, a front cover to surround a front surface of the display part, a light source unit having a plurality of light sources and a light source supporter to support the plurality of light sources to emit light toward a predetermined illumination target, and a light reflector provided on a side of the front cover to reflect light emitted toward the predetermined illumination target, and having the predetermined illumination target. Thus, the display apparatus uses a plurality of light sources to improve an external appearance.