Abstract: The present disclosure relates to a multipurpose laser pointing-equipment for medical use, and more particularly to a multipurpose laser pointing-equipment for medical use that can minimize errors in an operation (treatment, surgery) by definitely marking a reference for a surgery part from the outside the patient's body using point and line types of laser beams and by making it possible to accurately measure the surgical target. The present disclosure is characterized by including: a pointer assembly lifted from a floor and emitting downward a laser beam for marking a reference for a surgical part on the body of a patient and for measuring a surgical range; a standing base being a basis for supporting the equipment in an erect position; a positioning supporter being erect on the standing base to lift the pointer assembly and adjust a height, a position, and an angle of the pointer assembly; and a controller disposed at a position for a user to operate the equipment.

Abstract: A laser pointer accessory having a housing and a laser diode assembly including an actuation button. The housing including a top and bottom surface, and an internal chamber such that the laser diode assembly is disposed within the internal chamber of the housing. The top surface of the housing including an actuator capable of being depressed such that it engages the actuation button in order to activate the laser diode assembly.

Abstract: A method for controlling movement of a computer display cursor based on a point-of-aim of a pointing device within an interaction region includes projecting an image of a computer display to create the interaction region. At least one calibration point having a predetermined relation to the interaction region is established. A pointing line is directed to substantially pass through the calibration point while measuring a position of and an orientation of the pointing device. The pointing line has a predetermined relationship to the pointing device. Movement of the cursor is controlled within the interaction region using measurements of the position of and the orientation of the pointing device.

Abstract: An aeronautical light aid for a vertical takeoff and landing (VTOL) flying object is provided. The aeronautical light aid includes a plurality of first lighting portions buried in a takeoff and landing port and configured to radiate light in a vertically upward direction, a plurality of second lighting portions provided on an outer side of the takeoff and lighting port and configured to radiate light in an externally upward direction, and a landing guide provided at the center of the takeoff and landing port.

Abstract: A conical mirror concentrator is disclosed which is configured for use as a laser-cooled cooled atom source. According to embodiments, the conical mirror concentrator may comprise a body; a reflective inner conical surface formed on the body tapering from a large diameter at a first side of body inward to a smaller dimeter in an interior space of the body, wherein the inner conical surface focuses light to an axis within the interior space of the body; a hole extending from the interior space of the body near a pinnacle of the inner conical surface to a second, opposite side of body; and a structure configured to mount the concentrator to an ultra-high vacuum chamber, such as a CF (or Conflat) flange or an anodicly bonded glass plate.

Abstract: An aircraft projection device includes a projector that displays an image by projecting the image onto a floor surface of a passage in an interior of an aircraft; and a controller that controls the projector to display the image onto the floor surface of the passage in the interior of the aircraft.

Abstract: A projector includes: a projection unit; a detection light irradiation unit which radiates detection light onto a detection area which is set corresponding to a display area of the projection unit; an image pickup unit which receives reflected light of irradiation detection light reflected in the detection area; and a control unit which carries out detection of an operation of a non-light-emitting pointing element and detection of an obstacle blocking the detection light, and causes the projection unit to display information about the obstacle.

Abstract: The present invention provides a projector including a substrate, a laser module and a lens module. The laser module is positioned on the substrate, and a laser diode of the laser module is not packaged within a can. The lens module is arranged for receiving a laser beam from the laser diode of the laser module to generate a projected image of the projector.

Abstract: A transmissive display device includes a display section having a light transmissive property, and adapted to display a target image as a display target and a pointer image so as to be superimposed on an external world visually recognized through the display section, a display control section adapted to control a display configuration of the pointer image, and an imaging section adapted to take an image of the external world, and the display control section sets either one of an external world image obtained by the imaging, the target image, and a composite image of the external world image and the target image as a reference image, and displays the pointer image with the display configuration changed in accordance with a feature quantity of an area including a display position of the pointer image in the reference image.

Abstract: An illumination device projects light in a predetermined illumination pattern on a surface. The illumination device includes a housing having a cavity and an aperture. The illumination device includes a light module for selectively emitting the light and a screen at least partially disposed in the cavity between the light module and the aperture. The screen has at least one opening defining a base pattern configuration corresponding to the predetermined illumination pattern for aligning the light through the opening into the base pattern configuration and subsequently projecting the light through the aperture onto the surface in the predetermined illumination pattern. The illumination device includes a condensing lens disposed between the light module and the screen for collimating the light toward the screen and an objective lens arrangement disposed between the screen and the aperture for transforming the light from the base pattern configuration into the predetermined illumination pattern.

Abstract: Provided are infrared interactive remote control devices and projection systems using same, which can distinguish an indication state and an interactive control state. A pattern disc rotatable around a rotating shaft is provided in the infrared interactive remote control device. In a normal state, a visible light source works independently, and indication pattern holes in the pattern disc are positioned on an optical path to allow visible light to pass through, so that indication light spots corresponding to the indication pattern holes are formed. When a control button is pressed down, the visible light source and an infrared light source work together, and the pattern disc is driven to rotate, so that the control pattern holes are positioned on the optical path to allow the visible light to pass through, and control light spots corresponding to the control pattern holes are formed to indicate an interactive control state.

Abstract: A laser lighting device configured to provide two levels of image adjustment. An end piece provides first range of motion along the longitudinal axis of the laser, and controls image size projected from the laser. The end piece also allows for a number of masks to be utilized with the laser so that the projected light may be projected in various images shapes. A cap piece is rotatable about the longitudinal axis of the laser and may create various patterns in the light being projected, such as spots sparkles, and other patterns, or fill textures to the projected image of variable size.

Abstract: A projection-type image display apparatus includes a light source unit, an image generating unit that generates image light according to an input video signal, a light-guide optical system that guides the light from the light source unit to the image generating unit, a projection optical system that projects the image light generated by the image generating unit, and a controller. The controller has a display mode in which the image light is projected and an illumination mode in which the light from the light source unit is emitted as illumination light. The controller controls the optical system to focus illumination light from the projection optical system on a projection surface, in the display mode, and to focus illumination light from the projection optical system at a position different from the projection screen, in the illumination mode.

Abstract: A position information obtaining device and a position information obtaining method are provided. Each of the position information obtaining device and the position information obtaining method captures images to which a light pointer is directed and on which a light spot is formed, in chronological order, and estimates position information of a specified position on the images specified by the light pointer using a plurality of pieces of image information obtained from the captured image.

Abstract: A projector includes a projection portion including a laser beam generation portion and a scanning portion scanning a laser beam, projecting an image, a light detection sensor provided separately from the projection portion, including a light receiving portion receiving the laser beam reflected by a detection object, and a control portion acquiring the position of the detection object on the image on the basis of a detection result of the laser beam.

Abstract: An information communication method includes: determining whether conflict over use of a light receiving unit will occur between a first program for performing visible light communication and a second program for performing processing different from the visible light communication; notifying a user that the conflict will occur if it is determined that the conflict will occur; permitting one of the first program and the second program to use the light receiving unit in response to an operation by the user; and causing, by the first program, a computer to execute visible light communication according to light detected by the light receiving unit if the first program is permitted to use the light receiving unit.

Abstract: A projector includes a measurement unit having a function of measuring at least two of a period during which the projector remains powered on, a period of an in-use state in which a user is using the projector, and a period of a non-use state in which the user is not using the projector; and a control unit having a function, of determining an in-use state ratio or a non-use state ratio associated with the projector based on the periods measured by the measurement unit and a function of executing an energy saving setting based on the in-use state ratio or the non-use state ratio.

Abstract: An information processing apparatus may include a detecting unit to detect a pointing object in a captured image, and a generation unit to generate pointing information based on detection of the pointing object by the detecting unit. The pointing information may indicate a position of the pointing object determined using a pointable range set based on a user in the captured image. The apparatus may further include a communication unit to transmit the pointing information to an external apparatus.

Abstract: An image projection system whereby a position of a pointer on a projected image can be easily controlled from a location separated from the main control means. The system comprises a projector, a computer for controlling the projector to display a pointer on a projected image in accordance with an operational signal from a terminal, and a remote controller for the projector. The remote controller comprises a pointing device and a transmitter for transmitting an operation signal as an infrared ray operational signal. The projector comprises a receiver which is an infrared (IR) optical receiver having directivity, and receives the infrared ray operational signal.

Abstract: Regions are defined in projected content to create a virtually segmented display. When reflections are received from objects within a defined region, the reflections are recognized and passed to a user interface circuit. When reflections are received from objects outside a defined region, the reflections are gated and not recognized.

Abstract: A laser marker/pointer for projecting circular or elliptical laser beam patterns onto a target surface such as a portion of a presentation screen or to assist in the aiming of a firearm, comprises a handheld shell body in which is mounted a laser light source, a rotating optical mirror driven by a motor, and an electronic drive circuit, whereby the aspect ratio of the marking pattern is determined by the geometric relationship of the motor shaft axis, the laser beam, and the mirror surface. The motor drive circuit when initially powered (along with the laser diode), applies full power (a continuous DC voltage to the motor to overcome inertia), followed by a pulsed voltage to lower the duty cycle of the motor, increase battery life, and reduce rotational noise.

Abstract: An augmented reality environment allows interaction between virtual and real objects. Various surfaces within the environment such as walls, tables, countertop, chairs, floor, ceiling, and so forth may be used as projection surfaces. Qualified projection surfaces are determined, and an initial projection surface is selected for use from these. This selection may take into account user preferences, user orientation, types of image to be projected, and so forth. Other qualified projection surfaces may have visual indicators projected thereon, indicating relative suitability for use as a projection surface.

Abstract: An image generation device includes a storage unit that stores input object data indicating content information of an input object which is input on a presentation screen, a determination unit that determines a display position located further on an upper side than an input position of the input object on the presentation screen, and an image generation unit that generates a presentation image which is an image displayed on the presentation screen and where the input object is displayed according to the display position determined by the determination unit.

Abstract: A projector device includes an acquisition unit configured to acquire an image from an image pickup unit that picks up the image on a projection side of a transmissive type screen to which a display image is projected by a projector; a detection unit configured to detect a position where a luminance is changed on the acquired image; and an output unit configured to output the position on the acquired image where the change in luminance is detected.

Abstract: A projection apparatus and a location method for determining a position of a light point on a projection image of the projection apparatus are provided. The projection apparatus comprises a lens, a light detector, a light guide module and a processing circuit. The light guide module is configured to receive the light point via the lens, and to guide the light point into the light detector. The light detector outputs a detection signal to the processing circuit according to the light point within a detection period. The processing circuit determines the position of the light point on the projection image according to the detection signal.

Abstract: A projection system and an image processing method thereof are provided. The system includes a projector module, a photography module and a processing module. The projector module projects a first image frame to an object surface. The photography module photographs the object surface to derive a second image frame including the first image frame and an indication point, wherein the indication point is formed by light projected on the object surface by an external device. The processing module analyzes the second image frame to derive coordinate of the indication point in the second image frame, derives coordinate of at least a feature point of the first image frame in the second image frame according to a linear-approximation method, and transforms the coordinates of the indication point in the second image frame to the coordinates in the first image frame by using two-dimensional coordinate transformation equations.

Abstract: An image projection system whereby a position of a pointer on a projected image can be easily controlled from a location separated from the main control means. The system comprises a projector, a computer for controlling the projector to display a pointer on a projected image in accordance with an operational signal from a terminal, and a remote controller for the projector. The remote controller comprises a pointing device and a transmitter for transmitting an operation signal as an infrared ray operational signal. The projector comprises a receiver which is an infrared (IR) optical receiver having directivity, and receives the infrared ray operational signal.

Abstract: A projection unit comprises a first light source outputting light that is used to project an image during normal projection unit use, and a second light source outputting light of a different intensity that is used to project an image outside of normal projection unit use.

Abstract: Provided is a system for adjusting an image of a beam projector using a camera attached remote controller and a method thereof. The system for adjusting images of a beam projector according to the present invention includes: a remote controller photographing test images projected on a screen and detecting pattern images from the photographed test images and generating control information including at least one parameter necessary to adjust the images through the detected pattern images; and a beam projector receiving the control information for adjusting images from the remote controller and adjusting the input image by using parameters included in the received control information and outputting them to the screen. Therefore, the present invention adjusts colors and geometrical shapes of images at a user's viewpoint, thereby making it possible to improve the satisfaction of user and implement the system in various forms.

Abstract: An acoustical receiver for detecting an acoustical signal characterized by a wavelength and a pen transcription system utilizing the same are disclosed. The receiver includes a detector that generates an electrical signal in response to acoustical signals in a predetermined frequency range including that wavelength, a housing surrounding the detector, and a receiving horn. The housing has a housing aperture having a maximum dimension less than the acoustical signal wavelength. The receiving horn has a first opening that is adjacent to the housing aperture and a second aperture having a dimension that is greater than the acoustical signal wavelength.

Abstract: An optical device is capable of controlling a projector, wherein the projector is capable of wirelessly receiving an image signal from a data source, combining an identification signal into the image signal to generate a projection signal, and projecting a projection image according to the projection signal. The optical device includes an optical sensor. The optical sensor is capable of sensing the identification signal of the projection image, outputting a detection signal corresponding to the identification signal and wirelessly transmitting the detection signal to the projector. A projection system including a projector and an optical sensor is provided as well.

Abstract: A beam light source of an image display device which displays an image on a screen by scanning an optical beam in a two-dimensional direction in which the beam light source includes a light source that emits a diffuse light modulated according to an image signal, and an optical element that shapes the light emitted from the light source to the optical beam. The optical beam has an elliptically shaped beam spot on the screen in which a major axis of the beam spot is substantially perpendicular to a scanning direction. A horizontal spot size of the optical beam on an exit surface of the optical element is at least or equal to a horizontal spot size of the optical beam on the screen, and the horizontal spot size of the optical beam on the screen is no greater than a horizontal pixel pitch displayed on the screen.

Abstract: Provided is a photographing apparatus that includes a photographing section that photographs a subject, and a controller that controls a photographing range of the photographing section based on a range specification image that is projected onto the subject.

Abstract: A methods and systems for use of an input device with a display system are disclosed. In an example embodiment, a projection device configured to project a displayed image is provided where the displayed image includes one or more selectable items. The projection system further includes an input device which may be movable in free space and may be configured to point to the selectable items. The input device may be enabled to provide a double-click input to effect one or more changes in a graphical user interface that corresponds with a selection of a particular one of the selectable items at which the input device is pointed. The double click input may be identified such that movement of the input device after initiation of the double-click input may be ignored by the graphical user interface until completion of the double click input.

Abstract: An image processing system includes a determination unit that determines a distortion state of a projected image, and a correction unit. The correction unit determines a shape of the image after distortion correction according to the distortion state, moves the determined shape in a display area of an optical modulator in a first direction, performs distortion correction of the image, and moves the image after distortion correction in the display area of the optical modulator in a second direction which is opposite to the first direction.

Abstract: In accordance with embodiments of the present disclosure, a method for marking an image projected onto a surface includes capturing a second image from the surface, detecting the existence of a marking point in the second image, and modifying the first image by placing a graphic element at a location corresponding to a location of the marking point in the second image.

Abstract: An interactive projection device includes a light source configured to emit an input light beam, wherein the light source comprises a visible light emitting device; a first beam splitter configured to split the input light beam into first and second split light beams; a second beam splitter configured to split a scattered light beam received from a surface into third and fourth split light beams; an image forming device configured to produce an image light beam based on the first split light beam and emit the image light beam onto the surface through the first and second splitters, thereby generating a projection image on the surface; and a detector configured to detect the invisible light of the third split light beam, thereby acquiring a scattering image from the surface.

Abstract: Provided are an apparatus and method thereof for recording a presentation. The presentation recording apparatus includes: a projector operable to project an original image of a presentation onto a screen; a camera operable to capture the image of the presentation projected onto the screen and a light of a pointing device which is irradiated onto the screen; a memory; and a controller, wherein if the projector projects the image of the presentation onto the screen, the controller controls the camera to capture the image of the presentation projected onto the screen, determines coordinate information corresponding to a position of the light of the pointing device irradiated onto the screen, and controls the memory to store the original image of the presentation together with the determined coordinate information.

Abstract: In accordance with embodiments of the present disclosure, a method for marking an image projected onto a surface includes capturing a second image from the surface, detecting the existence of a marking point in the second image, and modifying the first image by placing a graphic element at a location corresponding to a location of the marking point in the second image.

Abstract: A light pen includes a case, a light source, a pen-nib structure, a first lens device, an elastic piece, a hollow knob, and a linkage pipe. The pen-nib structure is disposed through the case. The first lens device is disposed between the light source and the pen-nib structure. The elastic piece is connected to the first lens device. The hollow knob rotatably sheathes the first lens device. The linkage pipe sheathes the first lens device and is connected to the hollow knob for driving the elastic piece to move away from the pen-nib structure when the hollow knob rotates to a first position, so that the pen-nib structure can move relative to the case. The linkage pipe is further used for being separate from the elastic piece when the hollow knob rotates to a second position, so that the elastic piece can be engaged with the pen-nib structure.

Abstract: An image projection system is disclosed. The system comprises a projector, a user input device and a computing device. The micro-mirror based projector projects an image including a cursor on a display plane. The present invention discloses various embodiments for the system and method of adjusting the brightness of the cursor to improve effects of a presentation. According to one embodiment, the brightness of the cursor is adjusted by modifying the on/off time ratio of the mirrors by which the cursor is formed. According to another embodiment, the projector comprises a first and a second micro-mirror array. The second array is dedicated for projecting the cursor image. The brightness of the cursor may be adjusted by changing the number of micro-mirrors by which the cursor is formed from the second array.

Abstract: An image projection apparatus in which a measuring unit measures a distance from the image projection apparatus to a projection surface. A generating unit generates a first operation image if the measured distance is less than a threshold value and generates a second operation image if the measured distance is not less than the threshold value. The first operation image is an image by which an operation can be input by pointing on the first operation image that is being projected with a body part of a user. The second operation image is an image by which an operation can be input by operating a cursor displayed in the second operation image that is being projected using a predetermined operating unit. A projecting unit projects an operation image generated by the generating unit onto the projection surface.

Abstract: A projector that projects images includes a projection display module by which the projector projects the images, a network interface by which the projector can communicate with a network, and a web server module coupled to the network interface and to the projection display module. The web server module, in response to a request to provide a working status of the projection display module received through the network interface from a client over the network, sends working status information representing the working status through the network interface to the client over the network. The web server module also, in response to control information received through the network interface from the client over the network in response to the sent working status information, controls the working status by sending a control signal to the projection display module based on the control information.

Abstract: In an image projection apparatus, a sensed image obtained by sensing a projection surface, which contains a projected image, is obtained. Then, a difference image obtained by removing the projected image from the sensed image is used to detect a region corresponding to a predetermined object such as a user's hand or a pointer. Then, a user operation is determined based on the position and temporal variations of a particular portion of the region corresponding to the predetermined object.

Abstract: An image projection system whereby a position of a pointer on a projected image can be easily controlled from a location separated from the main control means. The system comprises a projector, a computer for controlling the projector to display a pointer on a projected image in accordance with an operational signal from a terminal, and a remote controller for the projector. The remote controller comprises a pointing device and a transmitter for transmitting an operation signal as an infrared ray operational signal. The projector comprises a receiver which is an infrared (IR) optical receiver having directivity, and receives the infrared ray operational signal.

Abstract: A projector for acquiring a coordinate of a bright spot includes a half transparent and half reflecting mirror (22), an imaging device (24), and a processing system (25). The half transparent and half reflecting mirror (22) is provided on a light path between the light source (21) and the zooming system (23). The imaging device (24) captures an external light ray reflected by the half transparent and half reflecting mirror (22). The processing system (25) acquires the coordinate of the bright spot according to the image of the image of the bright spot captured by the imaging device.

Abstract: A system for defining a bounding box include one or more image projectors; one or more optical beam generators; a display surface; a computing element; and a digital image sensor. The digital image sensor is configured to sense a location of image orientation indicators generated by the optical beam generators. The computing element is configured to communicate with the digital image sensor to determine a bounding box defined by the locations of the image orientation indicators and to control the one or more image projectors to project an image in, and corresponding to, the bounding box on the display surface.

Abstract: A handy image projection apparatus includes a main body containing a projection optical unit configured to project an image from its front part, with the main body having a gravity center, and an operation member provided on an outer face of the main body. The operation member is operated by a user's hand holding the main body when the image is being projected. When the apparatus is viewed from a first direction facing the outer face, at least part of the operation member is disposed in a front-rear direction of the apparatus, at one of a first position corresponding to the gravity center of the main body and a second position located at a distance within ? of a length from the gravity center to the front part of the main body in the front-rear direction.

Abstract: A laser pointer includes a human-machine interface disposed above the housing for users to control components inside the housing to decide patterns and size of the projecting image. The components consist of a frequency/phase control module, a driving energy control module, a laser beam generating module and a light scanning device. The frequency/phase control module controls the driving energy control module while the driving energy control module controls driving energy of the light scanning device. The size of the image is controlled by change of the amplitude of the light scanning device while the amplitude is changed along with the driving energy. The amplitude may also change along with the driving frequency. When the driving energy is fixed and the driving frequency is close to the resonant frequency, the amplitude increases. On the contrary, the amplitude decreases.

Abstract: A projector that includes: a projector body including an image optical system for image creation and projection, and an image circuit that operates the image optical system; an auxiliary input unit that forms an auxiliary signal for exercising control over an operating state of the projector body; and a distribution unit that transfers the auxiliary signal formed by the auxiliary input unit to the image circuit and an external display unit.