Abstract: A projector includes a projection lens and a projector body. In the projection lens, a U-shaped optical path is formed by optical axis to optical axis. A lens barrel is a U-shaped barrel. A housing of the projector body includes a storage section. The projection lens is supported rotatably about the optical axis with respect to the housing, in an up-down direction and a right-left direction of the housing perpendicular to the optical axis, between a first position where the projection lens is stored inside a storage section provided in the housing and a second position where the projection lens is protruding from the housing.

Abstract: A projection apparatus includes a casing, a projection lens, a first and a second light source modules, a first and a second thermal modules respectively thermally coupled to the first and the second light source modules, and a first and a second fans. The casing includes a bottom cover having a first air inlet corresponding to the projection lens, a front cover, a rear cover having a second air inlet, a first and a second side covers, which define an internal space divided into a first and a second areas. The first air inlet is connected to the internal space. A first air outlet of the first side cover and the second air inlet are connected to the first area. The first and the second light source modules, the first and the second thermal modules, and the first and the second fans are disposed in the first area.

Abstract: A projector includes a light source device, a homogenization optical element, a polarization conversion element, a liquid crystal panel, an incident side polarization plate, an exit side polarization plate, a projection optical system, a first housing, a second housing, a first heat-transfer section, a second heat-transfer section, a first fan configured to feed an air current toward the first heat-transfer section and the second heat-transfer section, and a first duct in which the first heat-transfer section and the second heat-transfer section are disposed.

Abstract: A thermal surrogate device is configured to replace a data storage device within a server or other multiple data storage device system. The thermal surrogate device has a housing that has a form factor identical to the data storage device. The housing has a cavity along a length, and a sensor fixture is positioned within the housing. An airflow sensor is attached to the sensor fixture and configured to measure an airflow through the housing. The housing is configured to be installed within a slot for a data storage device in a multiple memory system.

Abstract: An electronic device is provided, including a display panel and a processor. The processor is coupled to the display panel, and is configured to calculate an average temperature of the display panel, where when the average temperature is greater than a first temperature threshold, the processor adjusts an upper brightness limit of the display panel to a first adjusted maximum brightness value, so that brightness of the display panel is not greater than the first adjusted maximum brightness value. The disclosure further provides a display panel control method for an electronic device.

Abstract: Provided is a light source device in which the housing is not full of heat, and the risk of inhaling dust in the housing or the risk of reduction of life of the fan device becomes reduced. In an aspect, a light source device according to the present disclosure includes a light source; a light source control unit for controlling turning on/off and a quantity of light of the light source; a cooling fan for cooling the light source; and a fan control unit for controlling a number of revolutions of the cooling fan, wherein the fan control unit is configured to: control the number of revolutions of the cooling fan to become a first number of revolutions depending on the quantity of light of the light source when the light source is turned on, and control the number of revolutions of the cooling fan to become a second number of revolutions lower than the first number of revolutions by waiting for a predetermined waiting time when the light source is turned off.

Abstract: A patient support apparatus includes a support frame. A projection housing may be rotatably coupled with the support frame. The projection housing may include a body defining an aperture. A light source is configured to emit a beam of light. A projector may be configured to direct the beam of light through the aperture in the body and onto a surface.

Abstract: A lighting device configured for professional illumination. The lighting device includes a head and a component emitting oil fumes, and a fluid tight housing. An oil fume absorbing filter is arranged within the housing.

Abstract: An image display device is a self-luminous type device including a light emitting portion, and a casing portion of a display device unit has a heat dissipating structure portion through which a part of the image display device is exposed for heat dissipation. In manufacturing the display device unit, when performing simple and reliable assembly while securing a high heat dissipation characteristic, for example, by using characteristics of a silicon substrate, high accurate positioning is performed in a display device positioning portion.

Abstract: A projection image display device includes: an optical element that separates incident light into a first color light beam and a second color light beam, synthesizes the first color light beam and the second color light beam to generate synthetic light, and emits the synthetic light; a first display panel that reflects and modulates the first color light beam; a second display panel that reflects and modulates the second color light beam; a first heat dissipator that dissipates heat of the first display panel; a second heat dissipator that dissipates heat of the second display panel; a light shielding portion that blocks a part of the second color light beam reflected by the second display panel from traveling toward the first display panel; a light shield heat dissipator that dissipates heat of the light shielding portion; and a container. The second heat dissipator is disposed outside the container.

Abstract: An electronic device includes blowers. Blowers cool liquid crystal panels for light modulation mounted on illumination optical system for outputting light to a projection lens, respectively, and are disposed on the opposite side to the side where the projection lens of three liquid crystal panels is disposed and are arranged side by side along a first direction facing two liquid crystal panels of three liquid crystal panels.

Abstract: The invention provides a projection device including a housing, a light source module, an optical engine module, a projection lens, and a plurality of fans. The housing includes at least one air inlet and a plurality of air outlets. The air outlets are respectively located on a first side plate and a second side plate of the housing that are opposite to each other. An airflow direction of the air inlet is not parallel to an airflow direction of the air outlets. The light source module is located closely adjacent to the air inlet. The optical engine module is located on a light transmission path of a light emitted from the light source module. The projection lens is disposed inside the housing and is connected to the optical engine module. The fans are disposed inside the housing and are respectively located closely adjacent to the air outlets.

Abstract: A projector includes a cooler configured to cool a cooling target based on transformation of a refrigerant into a gas. The cooler includes a refrigerant generator and a refrigerant sender. The refrigerant generator includes a rotating moisture absorbing/discharging member, a first air blower configured to deliver air containing the refrigerant transformed into the gas at the cooling target to a first portion of the moisture absorbing/discharging member located in a first region, a heat exchanger connected to the refrigerant sender, and a second air blower configured to cool the heat exchanger. The air having passed through the first portion of the moisture absorbing/discharging member flows into the heat exchanger. Air exhausted from the heat exchanger is delivered to a second portion of the moisture absorbing/discharging member located in a second region different from the first region.

Abstract: A projector including a casing, at least one fan, a light source module, a light valve module and a projection lens is provided. The casing has a first air inlet, a second air inlet and an air outlet. The fan is disposed in the casing and adjacent to the air outlet. The light source module is disposed in the casing and adapted to provide an illumination light beam. The light valve module is disposed in the casing and adjacent to the second air inlet, and is adapted to convert the illumination light beam into an image light beam. The light source module and the light valve module at least partially overlap with each other along a first direction perpendicular to an opening of the first air inlet. The projection lens is disposed on the casing and adapted to project the image light beam out of the projector.

Abstract: A phosphor wheel (13) includes: a first surface having a disk shape; a second surface opposite the first surface; a phosphor layer (13b) having an annular shape and being provided on the first surface; a plurality of openings (13c); and a plurality of first blade parts (33a). The plurality of openings (13c) are disposed radially inward of the annular-shaped phosphor layer (13b) and arrayed along a circumferential direction. The plurality of first blade parts (33a) are located respectively adjacent to the plurality of openings (13c) in the first surface and configured to blow air to a surface of the phosphor layer (13b).

Abstract: [Object] To provide an image projection apparatus that is able to efficiently cool an inside of a housing. [Solution] There is provided an image projection apparatus that is a short focus projector including a short focus lens as a projection lens that projects an image on a projection face, the image projection apparatus including: an optical system unit including an optical system component including the projection lens; an air intake port that is provided on a rear face of a housing containing the optical system unit and through which air is caused to flow into an inside of the housing; an air discharge port that is provided on a front face of the housing and through which air inside the housing is discharged; and one or more cooling fans that are provided to be closer to a rear face side than a heat generation component that generates heat among the optical system components, in the inside of the housing.

Abstract: A projector device includes a housing, an optical modulation element provided in the housing, a lens tube with lenses provided inside, and a heat conducting component. A first side wall of the housing is provided with a through hole. The lens tube is nested in the through hole, and a first end of the lens tube is located in the housing and receives lights emitted from the optical modulation element. A first end of the heat conducting component is disposed on an outer wall of a first end of the lens tube, and a second end of the heat conducting component is connected with the housing.

Abstract: The invention provides a projector which is characterized by including a housing, a control module and a sensor. The housing is provided with a mounting structure and at least one air flowing hole. The mounting structure is located inside the housing, and the air flowing hole communicates with external environment and an interior of the housing. The control module is disposed inside the housing. The sensor is arranged on the mounting structure and aligns to the air flowing hole. The sensor is electrically connected with the control module, and the sensor receives a remote control optical signal from the external environment to generate an electrical signal and the sensor transmits the electrical signal to the control module. In this way, the manufacturing process of the projector is simplified and the manufacturing cost is reduced.

Abstract: A lighting device for vehicles having a housing, in which a light source unit for emitting a light beam and an optical unit associated with the light source unit for generating a predetermined light distribution are disposed, with a cover plate closing an opening of the housing and with a cooling element for dissipating heat from the light source unit. The cooling element is associated with a heat-dissipating optical element of the optical unit. A dividing wall separating the housing into a first chamber and into at least a second chamber is provided, wherein in the first chamber, the first cooling element associated with the light source unit, and in the second chamber, the second cooling element associated with the heat-dissipating optical element of the optical unit are arranged.

Abstract: [Solving Means] A light source apparatus includes a light source unit, a rotor, and a ventilation structure. The light source unit includes a light source, an optical device that collects light from the light source at a light collecting position, and a housing having an opening at the light collecting position that houses the light source and the optical device. The rotor has a wavelength conversion region that is arranged on a light irradiation region which is irradiated with light, the light being collected at the light collecting position and emitted outside the housing via the opening, the rotor being disposed rotatably about a rotation axis. In the ventilation passage, at least a part of the rotor is arranged.

Abstract: A laser projection device may include a laser, an installing bracket and a sealing ring. A sidewall of the laser may include an annular groove. A laser installing opening may be included on the installing bracket and the laser may be fitted in the laser installing opening. The sealing ring may include an embedded portion and a curved portion. A first bevel chamfer may be formed on an outer side of the curved portion, and a second bevel chamfer may be formed between the top surface and an inner wall of the laser installing opening. The sealing ring may be located between the sidewall of the laser and the laser installing opening, and the first bevel chamfer and the second bevel chamfer fit together.

Abstract: Disclosed are a wavelength conversion device, and a light source system and a projection system therefor. The wavelength conversion device comprises a supporting structure and a plurality of wavelength conversion modules arranged together, each wavelength conversion module comprising a ceramic carrier and a phosphor material provided thereon. The supporting structure ensures that the plurality of wavelength conversion modules remain fixed relative to one another. The light source system and the projection system both comprise the present wavelength conversion device. The use of ceramic material as the carrier for the phosphor material enables high temperature resistance, and prevents detachment of the phosphor material due to deformation at high temperatures. In addition, such a modular wavelength conversion device does not crack easily, and has a flexible design and shorter production cycle.

Abstract: A projector according to the invention includes a discharge lamp, a cooling section, and a control section. The control section is configured to execute a first cooling control in which a number of revolutions of the cooling section does not depend on an inter-electrode voltage of the discharge lamp and a second cooling control for controlling the cooling section based on first control information indicating a relation between the inter-electrode voltage and the number of revolutions. The number of revolutions in the first cooling control is equal to or smaller than the number of revolutions in the second cooling control. When the inter-electrode voltage is larger than a first voltage value or when a cumulative lighting time of the discharge lamp is larger than a first time, the control section configured to switch the control of the cooling section from the first cooling control to the second cooling control.

Abstract: Modular digital camera systems are disclosed. The modular digital camera system can include a brain module configured to be releasably coupled to one or more of a port extender module, power module, display module, and handle module. The brain module and other accessory modules can be structured according to some embodiments to increase an ease of coupling and decoupling the modules.

Abstract: An electronic apparatus which is capable of suppressing temperature increase in an interior of the electronic apparatus and also reducing effects of noise arising from operation of a fan during sound recording even when sound is recorded over a long time period. A duct unit joins an inlet and an outlet, which are formed in a cabinet of the electronic apparatus, to each other and is thermally connected to a heat source. A first fan blows air in the duct unit from the inlet toward the outlet. A second fan circulates air inside the electronic apparatus. According to a sound recording operation, the first fan and the second fan are drivingly controlled in a selective manner.

Abstract: The present application provides a light-pipe adjusting apparatus comprising: a first support; a light-pipe component, slidably connected to the first support via a first rail; and a first drive device, provided on the first support and connected to the light-pipe component for driving the light-pipe component to slide along the first rail. The present application can improve the accuracy and reliability of the position adjustment of the light-pipe component.

Abstract: A projector includes a light detector that detects light brightness information on the brightness of light emitted from a light source and an adjuster that corrects the light brightness information detected with the light detector and adjusts the output from the light source based on the corrected light brightness information.

Abstract: A light source device unit includes a light source device including a light source and an outflow port constituting part having a plurality of first outflow ports for making a cooling air flow out, a flow channel constituting part including an inlet port constituting part having a plurality of first inlet ports communicated with the first outflow ports and adapted to introduce the cooling air, and an opening and closing part adapted to selectively open and close the first inlet ports, the first inlet ports are arranged in a periphery of a central axis (a stationary shaft), and the opening and closing part includes a rotary member rotates around the stationary shaft in accordance with a posture of the light source device to thereby selectively open and close the first inlet ports.

Abstract: A cooling apparatus includes a cooling fan that has a rotating blade and a fan case accommodating the blade and delivers cooling air and a holder that holds the cooling fan. The holder has a first member and a second member that sandwich and support the cooling fan, and the first member and the second member are made of materials having physical properties different from each other and hence have natural frequencies different from each other.

Abstract: A light source device includes a light source, a reflector that reflects light emitted from the light source, a light source housing accommodating the light source and the reflector and including a plurality of introduction ports through which cooling air is introduced, an introduction port forming portion having a plurality of outlet ports communicating with the plurality of introduction ports, an opening and closing device opening and closing the plurality of introduction ports, and a holding unit having the introduction port forming portion accommodating the opening and closing device. The light source device is used in a projector having a cooling device. The holding unit is fixed to an external housing of the projector and supports the reflector housing in such a manner as to be freely attachable and detachable.

Abstract: There is provided a light source unit including a first light source, a second light source, a first heat sink for the first light source which is disposed to a side of the first light source, a second heat sink for the second light source which is disposed to a side of the second light source, and a first cooling fan which is disposed between the first heat sink and the second heat sink, wherein the first light source and the first heat sink are connected together by a first heat pipe via a bulkhead, and wherein the second light source and the second heat sink are connected together by a second heat pipe via the bulkhead.

Abstract: A projection display apparatus includes: a substantially box-shaped enclosure having a bottom surface portion, the bottom surface portion having an ventilation groove and an air inlet formed through a wall of the ventilation groove; an air sucking fan provided in the enclosure and forming an air flow flowing through the air inlet into the enclosure, and a filter through which the air flowing through the air inlet into the enclosure passes.

Abstract: A light source unit includes a light emitting element supporter to support a plurality of light emitting elements disposed with a dispersed pattern in a two-dimensional direction as a light emitting element assembly, and light emitted from the light emitting element assembly exits to a target; a light return member disposed at a position facing a light emitting side of the light emitting element assembly while setting a space with the light emitting element supporter, the light return member returning light emitted from the light emitting element assembly toward at an inner side of two dimensional direction of the light emitting element assembly, and a flow path of the cooling air to pass through cooling air supplied from an air supply unit into the space.

Abstract: A projector includes a light source apparatus, a light modulator that modulates a light flux outputted from the light source apparatus in accordance with image information, a projection lens that projects the light flux modulated by the light modulator, an exterior enclosure that accommodates the light source apparatus, the light modulator, and the projection lens, an exhaust fan (first exhaust fan) that exhausts air inside the exterior enclosure out thereof through an exhaust port (first light source exhaust port) provided in the exterior enclosure, and a functional device (wireless device) that provides a predetermined function and is heated to a temperature higher than the temperature of the exhaust air from the first exhaust fan. The wireless device is disposed in a position downstream of the first exhaust fan, and part of the exhaust air discharged from the first exhaust fan flows to the wireless device.

Abstract: An optical device utilized in a laser projector includes a circulatory air channel, a phosphor wheel disposed in the circulatory air channel, a thermal exchanger partially disposed in the circulatory air channel, and an air guiding component disposed in the circulatory air channel for guiding an air provided by the thermal exchanger toward the phosphor wheel. The temperature of the air passing through the phosphor wheel is lower than an environment temperature.

Abstract: An image projection apparatus includes a light source, light from which is used to form an image to be projected, a first flow path, a control unit configured to control a light emission from the light source, an electrical power stabilizing unit configured to stabilize an electrical power to be supplied to the light source, and an electrical power source unit configured to supply the electrical power to at least one of the control unit and the electrical power stabilizing unit. One or both of the electrical power source unit and the electrical power stabilizing unit is/are divided into a plurality of boards. The light source is arranged on a normal line of a surface of any of the plurality of boards. The plurality of boards configure surfaces of the first flow path except a surface nearest to the light source.

Abstract: Flexible substrates are drawn from two terminals provided on a TFT substrate, respectively, and IC chips are mounted on both flexible substrates. Both flexible substrates are placed so that positions of the IC chips provided on both flexible substrates overlap with each other.

Abstract: An image display device has a light source; a power supply section that supplies power to a light source; a cooling fan that cools the light source; a input section; and a control section that controls the cooling fan and the power supply section. If a first lighting mode in which a power value supplied to the light source is a first setting value is designated through the input section, the control section causes the power supply section to supply power that corresponds to the first setting value to the light source and causes the cooling fan to operate.

Abstract: An image projection apparatus includes a light source, light from which is used to form an image to be projected, a first flow path, a control unit configured to control a light emission from the light source, an electrical power stabilizing unit configured to stabilize an electrical power to be supplied to the light source, and an electrical power source unit configured to supply the electrical power to at least one of the control unit and the electrical power stabilizing unit. One or both of the electrical power source unit and the electrical power stabilizing unit is/are divided into a plurality of boards. The light source is arranged on a normal line of a surface of any of the plurality of boards. The plurality of boards configure surfaces of the first flow path except a surface nearest to the light source.

Abstract: A projector according to an embodiment of the invention can measure the temperature of an object to be cooled accurately with a simple configuration and perform accurate cooling control. The projector includes a power-supply unit, a ballast unit having a ballast control circuit and a photocoupler, and a control unit. The power-supply unit includes a temperature detection element generating temperature information indicating the temperature inside the power-supply unit. The ballast control circuit controls a constant-current control circuit and the like based on the control information transmitted from the control unit via the photocoupler and transmits temperature data based on the temperature information to the control unit via the photocoupler. The control unit includes a projector control circuit performing cooling control on the power-supply unit based on the temperature data.

Abstract: A projection apparatus includes a casing, a motherboard, a power board, a light source, and a projection lens. The motherboard includes a host circuit board, a light valve, and a CPU, and is contained inside the casing. The light valve and the CPU are on the host circuit board. The power board includes a power circuit board and an AC/DC power module. The power circuit board is contained inside the casing, and the AC/DC power module is on the power circuit board. The light source is used to produce an illuminating beam. The light valve is used to transform the illuminating beam into an image beam. The projection lens is used to transform the image beam into a projecting beam. The power circuit board is parallel to the host circuit board. An optical axis of the projection lens is perpendicular to the host circuit board and power circuit board.

Abstract: A particle-containment shield is provided. The particles-containment shield includes a containment structure that defines an air inlet to receive air heated by a projection lamp from the outlet of the projection-lamp module and defines an air outlet to vent air heated by the projection lamp away from the projection lamp. The containment structure is sealed intermediate the air inlet and the air outlet such that air heated by the projection lamp that enters through the air inlet exits the containment structure through the air outlet. The containment structure defines a length, a width, and a height of the particle-containment shield. The particle-containment shield includes one or more deflection members is arranged in the containment structure to collectively block all straight line paths from the air inlet to the air outlet so as to inhibit projection lamp particles from exiting the air outlet upon projection lamp rupture.

Abstract: The present invention provides a projection device management system including two or more projection devices which project images on a projection surface; and a management device which corrects the image projected by each projection device based on information on each projection device and manages information for maintenance of each projection device, the two or more projection devices being installed in the same theater.

Abstract: A projection display device includes light source device including a plurality of lamp units; a plurality of lamp apertures disposed in main body cabinet such that the plurality of lamp units are replaced therethrough; a plurality of lamp covers for covering respective lamp apertures; four first detection switches for detecting opening and closing of respective lamp covers; and lamp control power source unit for supplying ballast control voltage signal to first detection switches. Four first detection switches are disposed on sub-circuit board. Sub-circuit board also includes conductive pattern for branching ballast control voltage signal input to first jack and leading the branched signal to first detection switches.

Abstract: A projection display device includes light source device including a plurality of lamp units; a plurality of lamp covers for covering a plurality of lamp apertures through which respective lamp units are taken in and out; a plurality of lamp power source units for driving respective lamp units; temperature switch for detecting the temperature of light source device; and main control unit. When at least one lamp unit is turned off during operation by opening of corresponding lamp cover, main control unit continues the operation. When at least one lamp unit is turned off during operation by temperature detection of temperature switch or abnormal operation of lamp power source unit, the main control unit stops the operation.

Abstract: An image projection apparatus includes a light source, light from which is used to form an image to be projected, a first flow path, a control unit configured to control a light emission from the light source, an electrical power stabilizing unit configured to stabilize an electrical power to be supplied to the light source, and an electrical power source unit configured to supply the electrical power to at least one of the control unit and the electrical power stabilizing unit. One or both of the electrical power source unit and the electrical power stabilizing unit is/are divided into a plurality of boards. The light source is arranged on a normal line of a surface of any of the plurality of boards. The plurality of boards configure surfaces of the first flow path except a surface nearest to the light source.

Abstract: A light source device including an arc tube having a light emission portion containing electrodes, a cooling channel having a downstream part branched into first and second channels to guide air toward the light emission portion via one of the channels, a rotational member disposed within the cooling channel and rotatable around a rotation shaft by gravity, and configured to switch cooling to the first or second channel depending on a position of the light source device, and a duct that forms apart of the cooling channel. The width of the rotational member decreases from a remote end toward the rotation shaft. The rotation shaft is disposed on one end of the rotational member corresponding to a side opposite a light emission side of the duct. The duct is shaped such that the cooling channel width decreases toward the side opposite the light emission side.

Abstract: A projection display device projects light modulated based on a video signal. The projection display device includes a light source, a first fan for cooling the light source, and a second fan different from the first fan. The number of revolutions of the first fan is increased or decreased with the increase or decrease of the output of the light source. The number of revolutions of the second fan is decreased when the number of revolutions of the first fan is increased, and increased when the number of revolutions of the first fan is decreased.

Abstract: A first light-transmissive plate is provided on an opposite surface of a first substrate of an electro-optic panel to a second substrate. The first light-transmissive plate is smaller than the first substrate, and an end portion of the first substrate is exposed from the first light-transmissive plate. In addition, a heat radiation member made of a metal material is provided so as to be overlapped with the exposed portion from the first light-transmissive plate of the first substrate.

Abstract: A heat dissipation device of a light engine for a projector has a housing, a fan module, a light engine and a heat sink. The light engine is positioned in the housing and connected to the heat sink. The heat sink is positioned out of the housing. The housing has a fan-enclosed flow channel attached on an outer surface of the housing. The fan module is guided by the fan-enclosed flow channel to the heat sink to enhance heat dissipation efficiency of the light engine for the projector.