Patent application number | Description | Published |
20100110395 | IMAGE DISPLAY DEVICE AND LAMP UNIT - A lamp unit is provided with a storage part that holds lamp management information in a writable and readable manner. A communication control part on a projector main unit side reads the lamp management information from the lamp unit and stores the same in a storage part of the main unit. The lamp management information is updated depending on the status of use of the lamp unit. The updated lamp management information is written back into the storage part of the lamp unit. | 05-06-2010 |
20100117539 | LAMP OPERATION DEVICE AND IMAGE DISPLAY DEVICE - A lamp operation device includes a mode setting part that sets an operation mode for lamps, and a lamp operation part that controls switching between the lamps in accordance with the set operation mode. The lamp operation part includes a process corresponding to a manual switching mode in which a lamp selected by a user is set as an illumination lamp, and a process corresponding to an automatic switching mode in which the plurality of lamps is automatically set in sequence as an illumination lamp. In the automatic switching mode, after one lamp has been set as the illumination lamp, cumulative illuminating time (amount of change) of the lamp is measured. Then, the illumination lamp is switched to the other lamp, depending on whether a measurement result has exceeded predetermined threshold time. | 05-13-2010 |
20100315845 | POWER SOURCE CIRCUIT AND PROJECTION DISPLAY DEVICE - A power source circuit includes a DC voltage generating section which rectifies and smoothes an input AC voltage to generate a DC voltage; a switching regulator which converts the DC voltage into an AC voltage; a transformer which lowers the AC voltage; a first switch connected between a secondary winding of the transformer, and a load; and a control section which controls on/off of the switch. The control section controls the first switch to turn off the first switch at a time of a waiting mode. | 12-16-2010 |
20110075056 | Projection Display Apparatus - A projection display device includes a first communication processing section for performing communications over a network; an interface that is connected to a communication device having a second communication processing section with more advanced processing capability than that of the first communication processing section; and a selecting section that selects the first communication processing section or the second communication processing section disposed in the communication device, for use in communications with the network. | 03-31-2011 |
20110090469 | PROJECTION DISPLAY DEVICE AND ELECTRONIC DEVICE - A projection display device includes a light source; a light modulating section that modulates light from the light source; a main control section that drives and controls the light source and the light modulating section for operation; a standby control section that performs control in a standby state; a main power source unit that supplies power to the main control section; and a standby power source unit that, in the standby state, shuts off power supply from a commercial power source to the main power source unit and supplies power to the standby control section. In this arrangement, the standby power source unit is disposed on a substrate different from that the main power source unit is disposed on. | 04-21-2011 |
20110149254 | PROJECTION DISPLAY DEVICE, PORTABLE TERMINAL DEVICE, AND PORTABLE CAMERA - A projection display device modulates light from a light source and projects the modulated light onto a projection plane. The projection display device includes a brightness detecting section that detects the brightness of a surrounding environment and a brightness notifying section that makes a notification in accordance with a result of detection by the brightness detecting section. | 06-23-2011 |
20110255058 | ELECTRICAL DEVICE AND PROJECTION DISPLAY DEVICE - An electrical device includes a plurality of filters having filter performances different from each other; a filter switching section which switches a filter to be disposed in a channel of a fluid flowing into a main body of the device between the plurality of filters; a switching control section which controls the filter switching section; and a determining section which determines the type of unwanted matter contained in the fluid. In this arrangement, the switching control section controls the filter switching section to dispose the filter corresponding to the type determined by the determining section in the channel. | 10-20-2011 |
20110279790 | PROJECTION DISPLAY DEVICE - A projection display device includes: a projection portion which enlarges and projects the light modulated by a imager portion; a control circuit; and a main body cabinet. The projection portion is formed by a projection lens portion into which the light from the imager portion is entered and a mirror portion which reflects the light having passed through the projection lens portion and lets the light travel toward a projection plane. The mirror portion is disposed so as to be shifted from an optical axis of the projection lens portion in a direction opposite to a direction in which the incident light from the projection lens portion is turned back. The control circuit portion is disposed in a space which is produced between the projection lens portion and the main body cabinet by a position gap between the projection lens portion and the mirror portion. | 11-17-2011 |
20110299045 | ELECTRICAL APPARATUS AND PROJECTION DISPLAY DEVICE - An electrical apparatus includes an air intake device which draws air into an apparatus body; a controller which controls the air intake device; a filter which removes unwanted matter from the air drawn into the apparatus body; and a removing device which removes the unwanted matter adhered to the filter. In this arrangement, the controller controls the air intake device to lower an air intake rate of the filter when the removing device is operated. | 12-08-2011 |
20130155113 | IMAGE DISPLAY DEVICE AND MOBILE DEVICE - A projection display device includes an image generating part which generates an image to be displayed on a predetermined image display surface; a circuit part which operates the image generating part based on an image signal; an image acquiring part which acquires an image signal to be outputted from a mobile device; a tilt acquiring part which acquires, from the mobile device, a tilt signal indicating a tilt angle of a display surface of the mobile device with respect to a reference state; and screen state changing part which changes a state of a screen to be displayed on the image display surface in accordance with the tilt signal. The screen state changing part inclines, on the image display surface, an image based on the image signal acquired by the image acquiring part, based on the tilt signal in accordance with the inclination of the display surface. | 06-20-2013 |
Patent application number | Description | Published |
20100141629 | IMAGE DISPLAY APPARATUS WITH IMPROVED SAFETY OF ELECTRIC POWER SUPPLY TO ILLUMINATION DEVICE AND CONTROL METHOD THEREOF - An image display apparatus includes a control unit for controlling a manner of supplying electric power from a power supply unit to an illumination device, and a detection unit included in a control system independent of the control unit. The detection unit detects whether or not a component of the image display apparatus assumes a state satisfying a condition on which electric power is supplied to the illumination device. When the control unit outputs a signal to the power supply unit for causing the power supply unit to supply electric power to the illumination device, and the detection unit detects that the component assumes the state satisfying the condition, supply of electric power to the illumination device is permitted. | 06-10-2010 |
20100141688 | IMAGE DISPLAY APPARATUS WITH MULTIPLE LAMPS AND CONTROL METHOD THEREOF - An image display apparatus includes a first lamp, a second lamp and a power supply unit for supplying electric power to the first or second lamp. In the image display apparatus, while a lamp to which electric power is to be supplied from the power supply unit is switched between the first lamp and the second lamp, the light generated by the first lamp or the second lamp is inhibited from being emitted outside. | 06-10-2010 |
20100142111 | Electronic Device - An electronic device including a printed wiring board, which is accommodated in a housing. The printed wiring board includes a substrate, a ground layer on the substrate, a discharge conductive portion exposed from an outmost surface of the printed wiring board to provide an antistatic structure, and a plurality of vias extending through the substrate. The discharge conductive portion and the ground layer are electrically connected to each other by at least two of the vias. | 06-10-2010 |
20100142165 | Structure For Supporting Printed Wiring Board - A structure for supporting a printed wiring board housed in a housing of an electronic device. The supporting structure includes a first projection formed on the housing and projecting toward the printed wiring board. The electronic device includes a conductor plate, which is grounded and accommodated in the housing. A second projection is formed on the conductor plate and projects toward the printed wiring board. The printed wiring board includes a substrate and a ground layer, which is arranged on the substrate. The first projection of the housing and the second projection of the conductor plate hold and support the printed wiring board in between and thereby electrically connect the ground layer to the conductor plate. | 06-10-2010 |
20110051020 | Video Projector And Image Display System - A video projector including a plurality of light sources used to display an image and a control unit that switches each of the light sources between states of activation and deactivation. The control unit is capable of setting an activation period for each activation of at least one of the light sources. | 03-03-2011 |
20110075053 | Remote Control Signal Receiver And Electronic Device - A remote control signal receiver includes a plurality of signal reception units. Each signal reception unit includes a light reception window arranged in a housing of an electronic device and a light reception element arranged in the housing facing toward the light reception window. The light reception elements of the signal reception units are mounted on a circuit board. A transmission barrier prevents infrared noise entering the housing through the light reception window of one of the signal reception units from being transmitted to the light reception element of another one of the signal reception units. | 03-31-2011 |
20110122327 | ELECTRONIC DEVICE STAND AND IMAGE DISPLAY SYSTEM - An electronic device stand includes a fastening member fastenable to an installation plane. An elongated member is connected to the fastening member. A mount member is connected by the elongated member to the fastening member. The mount member includes mechanical mounting structures configured to mount plural types of electronic devices. | 05-26-2011 |
20110148212 | ELECTRONIC DEVICE - A projector includes an internal power supply, which supplies power to an electrical circuit in the projector, and a power supply terminal, which is electrically connected to a peripheral device. The projector also includes a switching circuit that switches between a power output state, in which power from the internal power supply is output via the power supply terminal to a peripheral device such as a remote control signal transmitter connected to the power supply terminal, and a power input state, in which power is input via the power supply terminal from a peripheral device such as a power supply device connected to the power supply terminal. | 06-23-2011 |
20110261272 | VIDEO PROJECTOR - A video projector including replaceable light source lamps, a case that accommodates the light source lamps, lamp covers respectively corresponding to the light source lamps, a time measurement unit that measures an accumulated illumination time of each of the light source lamps, a control unit that determines whether or not the measured accumulated illumination time is greater than a replacement determination time, and notification units respectively corresponding to the light sources. Each notification unit is illuminated, when it is determined that the accumulated illumination time of the corresponding light source lamp is greater than the replacement determination time, to indicate where the corresponding lamp cover is located. | 10-27-2011 |
20110263299 | VIDEO PROJECTOR - A video projector includes a main body serving as a portable unit, which includes a projection optical unit that forms and projects a display image. The main body includes a rechargeable battery serving as a power supply. A holder holds the main body at a predetermined position. The holder includes a screen onto which is projected the display image from the main body held at the predetermined position. The holder is configured to charge the rechargeable battery when the main body is held in the holder. | 10-27-2011 |
20110296804 | AIR FILTER CLEANING DEVICE AND ELECTRONIC DEVICE - An air filter device of a projector, which is an electronic device, includes an air filter and a brush. The air filter includes a cleaning region. The brush cleans the cleaning region while moving relative to the air filter. The cleaning region includes long sides and short sides extending in longitudinal and lateral directions, which are perpendicular to each other. The brush | 12-08-2011 |
20110296805 | ELECTRONIC DEVICE AND FILTER UNIT - A cleaner, which automatically cleans an air filter, is coupled to an outer (upstream) side of a partition including an intake port. The air filter is coupled to the intake port through which air is drawn. The partition includes an opening used to electrically connect the cleaner to an inner (downstream) side. A substrate is coupled to the opening | 12-08-2011 |
20110297000 | ELECTRONIC DEVICE - An air filter coupled to an air inlet, which draws in air. The air filter is automatically cleaned to prevent clogging. When the supply of power is cut off during a cleaning operation sequence of the air filter and the electronic device restarts operation thereafter, the interrupted cleaning operation sequence is completed. An automatic cleaning operation may be performed on the air filter when a video projector, which serves as an electronic device, starts to operate. In addition, an automatic cleaning operation may he performed on the air filter when clogging of the air filter is detected. | 12-08-2011 |
20120033187 | VIDEO PROJECTOR - A video projector including light source lamps and a cooling fan, which cools the light source lamps. A memory unit stores a reference time set for each of the light source lamps. The reference time indicates the time required for the corresponding light source lamp to be cooled, after being deactivated, to the reference temperature or less. A notification unit generates a notification for each of the light source lamps indicating that the light source lamp is replaceable. An elapsed time from when each of the light source lamps is switched from an activated state to a deactivated state is compared with a corresponding reference time. When the elapsed time exceeds the corresponding reference time, the notification unit generates the notification related to the corresponding light source lamp. | 02-09-2012 |
20120151885 | AIR FILTER DEVICE AND ELECTRONIC DEVICE - An air filter device includes an air filter that removes dust from air drawn into a device. The air filter includes an air filter surface. A brush including bristles removes dust from the air filter. The brush and the air filter are relatively moved in a direction orthogonal to a longitudinal direction of the brush while distal parts of the bristles of the brush penetrate the air filter surface to remove dust from the air filter. A unit for reducing or eliminating penetration reduces or eliminates penetration of the brush into the air filter when relative movement of the brush and the air filter is stopped. | 06-21-2012 |
20130083251 | VIDEO PROJECTOR AND METHOD FOR DISPLAYING AN IMAGE - A video projector is provided with a projector body configured to project light to display an image and including a signal receiver and a memory which stores data. A remote controller is configured to control the projector body from a distance and includes a storage medium connector, to which an information storage medium is connectable in a removable manner, and a signal transmitter, which transmits a signal receivable by the signal receiver through wireless communication. The remote controller transmits the data stored in the information storage medium, which is connected to the storage medium connector, from the signal transmitter through wireless communication. The projector body stores the data received with the signal receiver in the memory and displays an image based on the data stored in the memory after the signal receiver completes receiving the data from the signal transmitter. | 04-04-2013 |