Abstract: An image display element 1 and an observation optical system 2 which forms an exit pupil 4 for observation of an image displayed on the image display element are included, wherein the observation optical system 2 has at least one surface 21 that has a lens function, and the following condition (1) is satisfied:

Abstract: An image processing apparatus includes a photographing condition estimation unit for estimating a photographing condition of the input image based on photometric information and focal information. A Y/C separation unit separates the input image into a luminance signal and a color difference signal; a luminance correction unit extracts an edge from the luminance signal and corrects the luminance signal by a gradation conversion curve; a color difference correction unit corrects the color difference signal based on luminance signals obtained before and after the gradation correction and a theoretical limit characteristic of color reproduction; a skin color correction unit performs skin color correction depending on the photographing condition; and a Y/C synthesis unit synthesizes the luminance signal and the color difference signal obtained after the correction. Gradation correction is performed on the input image such that appropriate hue and saturation are achieved while emphasizing a main object.

Abstract: A washing vessel capable of housing an endoscope is formed in an apparatus body. A washing solution containing a detergent is spurted against the endoscope arranged within the washing vessel for washing the endoscope. Also, an oxide-based disinfecting-sterilizing solution is supplied into the washing vessel for disinfecting-sterilizing the endoscope after the washing step together with the washing vessel.

Abstract: Each pixel of a solid state imaging element includes a photodiode, a field effect transistor (FET) having a gate connected to an output of the photodiode, a first feedback circuit connecting the gate and drain of the FET with a first switch inserted in series in a middle thereof, a second feedback circuit connecting the gate and drain of the FET with a second switch and a first capacitor in series in a middle thereof, and a second capacitor connected between a middle of the first capacitor and the second switch and an electric potential. A charge detector includes a capacitor, an amplifier having a negative input connected to the capacitor, a reset switch connected in a feedback circuit connecting an output of the amplifier and the negative input of the amplifier, and at least one circuit connected in parallel with the feedback circuit and having an additional reset switch connecting an output of the amplifier and the negative input of the amplifier and an additional capacitor.

Abstract: Excitation light for normal light observation with wavelengths in the visible spectrum, which is output from a lamp, and excitation light with wavelengths in the infrared spectrum for exciting a fluorescent substance characteristic of being accumulated readily in a lesion are irradiated simultaneously to a living tissue, to which the fluorescent substance has been administered, through an endoscope. Fluorescence components are separated from light stemming from the living tissue by means of a separator such as a dichroic mirror, introduced to a first imaging device, and then imaged. Light components with wavelengths in the visible spectrum are introduced to a second imaging device and then imaged. Signals representing the images are subjected to signal processing, whereby a video signal is produced. For better diagnosis, two images are displayed while, for example, one of the images is superimposed on the other.

Abstract: An electronic camera for a microscope includes an imaging element for imaging an optical image split by an optical path split prism, a signal processing section for processing an imaging signal output from the imaging element, a memory section for recording image data based on the imaging signal processed by the signal processing section, an LCD monitor located near the eyepiece lens for displaying the image based on the imaging signal processed by the signal processing section, and a casing integrally containing all of the imaging element, the signal processing section, the memory section, and the LCD monitor.

Abstract: An electric bending endoscope having a traction-member operating device according to the present invention has traction members each of whose one end portion is fixed to and extends from a distal end portion of a long and narrow inserting portion, a pulley forming multiple peripheral recesses in which middle parts of the traction members are wound and are located in predetermined states, respectively, a motor for rotating, in a predetermined direction, the pulley in the state where the traction members are wound and are located, an arm member having a plurality of arm members to which base end portions of the traction members wound and located in the peripheral recesses of the pulley and extended therefrom are fixed, and an operation instructing lever to which the arm member is integrally fixed and having an operating portion for changing a slanting direction and a slanting amount to instruct to move a predetermined traction member from the plurality of traction members by a predetermined amount.

Abstract: The laser scanning microscope system includes a microscope unit including at least one laser source, at least a microscope main body, a stage on which a sample is laid, an objective lens which converges a light from a sample to form a parallel light, and a first image formation lens which converges the parallel light from the objective lens, and at least one light detector which detects light from the sample through a confocal pinhole, and a scanning unit disposed attachably/detachably with respect to the microscope main body, the scanning unit includes a optical scanning device which scans a laser light from the laser source, a pupil projection lens and a second image formation lens arranged so that the optical scanning device and a pupil position of the objective lens are optically conjugated, and at least one photodetector which detects light from the optical scanning device through a confocal pinhole, and the scanning unit is attached to the microscope main body so that an optical axis of an optical path

Abstract: There is disclosed a laser scanning microscope including a first optical scanning system which scans a first laser light for observing a sample on the sample, a first light branch device which branches the light from the sample from an optical path of the first laser light, a photodetector which detects the light from the sample, separated by the first light branch device, a second optical scanning system which irradiates a specific portion on the sample with a second laser light for stimulating or operating the sample, and a wavelength selection device which is disposed between the first light branch device and photodetector and which includes a first function of transmitting a desired observation light and a second function of limiting transmission of the second laser light.

Abstract: An image recording apparatus is provided which includes a test pattern reader for reading a test pattern image recorded by respective recording heads; an image recording position error detector for detecting, from the read test pattern, an error in image recording position for each recording element of each recording head relative to a predetermined image recording position; a correction data generator for producing correction data for correcting the error in image recording position for each recording element of each recording head in accordance with the detected recording position error; a correction unit for correcting an image signal to be recorded by each recording element of each recording head, on the basis of the produced correction data; and a controller for operating the test pattern reader, the image recording position error detector, and the correction unit at a particular time.

Abstract: In a camera a pickup element images an object image. An A/D converter A/D converts an output of the pickup element. A processing section includes a night scene judging section for judging whether or not the scene to be photographed is the night scene on the basis of a digital image signal output from the A/D converter. In a distance measuring apparatus of the camera. An area sensor is used for an auto-focus. A first judging section judges that the scene to be photographed is a night scene on the basis of an output of the area sensor. In the case where the first judging section judges that the photography scene is not the night scene, a second judging section judges whether or not the scene to be photographed is the reverse light scene. A main object specifying section specifies the main object in the case where either the first judging section or the second judging section judges the scene to be photographed is either the night scene or the reverse light scene.

Abstract: A digital camera whose lens is detachable, comprising a judging section for judging whether an image failure is caused due to dirt adhering on an image sensor device unit including image sensor device, an illuminating member which is disposed in the vicinity of the image sensor device unit such that irradiation light can enter the image sensor device and which is driven when at least the judgment is made, a memory for storing a position of a picture element of the image sensor device corresponding to image sensor data causing image failure when the judging section judged that image failure has been caused, and a correcting section for correcting the image sensor data output from the image sensor device unit based on picture element position data stored in the memory when a picture is photographed after the lens is interchanged.

Abstract: A second set of information that is detailed information is printed as an optically readable coded image near a visually readable first set of information that is basic information. As the coded image is read by an access device, the second set of information is restored and output in a perceptible form. The coded image is made to additionally contain output control information for outputting information necessary for inputting of instructions for causing the access device to operate for accessing an external information resource providing site, obtaining a third set of information that is updating information and outputting the third set of information in a perceivable format, when the second set of information restored by the access device is output. The person who wants to acquire information can acquire the third set of information on an on line basis by utilizing the information necessary for inputting instructions for the operation.

Abstract: An information processing system, such as a camera system, includes a radio communication system and an information appliance (such as a camera) communicable with the radio communication system within a predetermined distance. The information appliance includes an image pickup for obtaining image data by photographing a subject, a storing part for storing information peculiar to a user of the information appliance, a radio communication part for transmitting a predetermined radio signal and for reading information from the radio communication system, and an authorization part for authorizing the user by collating information from the radio communication system read at the radio communication part with stored information peculiar to the user. The radio communication system includes storage for storing predetermined information and a transmission part for receiving a radio signal generated at the information appliance and for transmitting the stored predetermined signal as a radio signal.

Abstract: A microscope stage of this invention includes an upper stage, a handle shaft rotatably supported on the upper stage, a pulley rotatably supported on the upper stage in a position different from the handle shaft, a lower stage directly driven and guided with respect to the upper stage and a transmission member for interlocking the handle shaft, pulley and lower stage.

Abstract: In a microscope system in which at least one of a stage on which a sample 4 is mounted and an objective lens 6 can move relatively in a direction of an optical axis, a contact judgment section 12 judges the possibility of contact between the sample 4 and the objective lens 6 based on a result of comparison between a detection output from a contact sensor 11 which detects contact between the sample 4 and the objective lens 6 and a preset threshold value, excessive contact between the sample 4 and the objective lens 6 is avoided based on a result of this judgment, and a threshold value in the contact judgment section 12 is updated based on the output from the contact sensor 11 every predetermined time.

Abstract: There is disclosed a microscope focusing apparatus comprising a light illuminator, an objective lens, an observation tube, a holder which holds these, a focusing main body including a focusing movable portion which linearly and vertically moves, and an attaching portion, formed in the focusing movable portion, which fixes the holder, wherein the holder comprises a first holder including a first support, the first support disposed on an observation optical axis, which supports the light illuminator, and a second holder including a second support, the second support disposed outside the observation optical axis, which supports the light illuminator, and one of the first and second holders can be selectively attached to the attaching portion.

Abstract: An optical element drive mechanism is provided which includes (i) a movable portion including at least an optical element having a reflecting surface; (ii) a support member for supporting the movable portion rotatably with respect to a fixing member; and (iii) a drive mechanism including at least a coil and a magnet for driving the movable portion. The pole surface of the magnet is substantially in parallel with the reflecting surface of the movable portion and/or the coil is provided between the magnet and the reflecting surface.

Abstract: A multi vision device including a projection device constituted by an array of a plurality of projection units each including a rear projection projector and a housing to support the rear projection projector; and a screen located away from the projection device and displays pictures projected from the projection device. Pictures projected from the adjoining projection units overlap on the screen and are configured to form one picture on the screen. In this manner, highly accurate projected pictures are obtained with no borders between the pictures adjacent to each other. The height and width of the pictures projected onto the screen are greater than the height and width on the side of the projection device that faces the screen.

Abstract: A solid-state image pickup apparatus having hermetic seal portion capable of packaged in a smaller size by a simple construction and fabricated with high precision at wafer level is constructed such that an epoxy-type resin sheet having opening portion only at light-receiving portion is adhered to solid-state image pickup device chip by an adhesive and a transparent member capable of becoming a flat-plate portion is adhered onto the epoxy-type resin sheet by means of an adhesive.