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| Number | Title | Issue Date |
| 7204803 | Endoscope device, endoscope and image processing device for endoscope An image processing device for an endoscope, wherein a wavelength band filter for shielding at least a part of the blue wavelength band is disposed in front of an image pickup element built into the endoscope, for image processing the signal output by said image pic... | 04/17/2007 |
| 7011625 | Method and system for accurate visualization and measurement of endoscopic images A method and system for accurately visualizing and measuring endoscopic images includes mapping a three-dimensional structure to a two-dimensional area, based on a plurality of endoscopic images of the structure. The method involves outlining the boundary of the reg... | 03/14/2006 |
| 6749561 | Autofocusing endoscopic system An endoscopic apparatus and method allow for robust autofocusing operation regardless of contrast characteristics of the environment. The endoscopic apparatus and method can focus on a field stop edge and store default information of the apparatus focused on the edg... | 06/15/2004 |
| 6641529 | Endoscope apparatus and method of controlling same A correction for dark current is performed in comparatively accurate fashion. To accomplish this, emissions of both ordinary light and excitation light are turned off when a changeover is made between a ordinary-light observation mode, in which internal t... | 11/04/2003 |
| 6190308 | Endoscopic video system for correcting a video image of an object to be studied An endoscopic video system for correcting a video image of an object to be studied has a processing unit controlling an electronic image recorder which has a multiplicity of image elements, each generating an output signal upon illuminating a known test o... | 02/20/2001 |
| 6047601 | Self-tuning crystal notch filter A self-tuning crystal notch filter suitable for rejecting a carrier signal in a receiver channel of a receiver of an ultrasound imaging system. The crystal notch filter has a resonant frequency which is electronically tuned. Tuning is done under software ... | 04/11/2000 |
| 5733246 | Viewing scope with image intensification A viewing scope and related apparatus for producing high quality color images with low levels of object illumination. A light source illuminates the object with a timed, patterned sequence of light at different wavelengths. Light reflected from an object ... | 03/31/1998 |
| 5704791 | Virtual surgery system instrument A virtual surgery system or virtual testing system provides a simulation or test based on image data. A simulator combined with a real exam requires simulation tasks by a test taker. Additionally, a surgical procedure may be simulated using image data of ... | 01/06/1998 |
| 5667474 | Visible and infrared imaging apparatus with movement detecting circuits for affecting freeze and noise reducing operations A field sequential image pickup apparatus which prevents misregistration in color pictures with respect to a visible freeze image and improves the S/N of an infrared image with respect to a movement of an object of observation. R (red), G (green), B (blue... | 09/16/1997 |
| 5649897 | Endoscope apparatus for compensating for change in polarization state during image transmission An endoscope apparatus has an endoscope having an image guide (103) for guiding first and second image light components which have a parallax and can be separated from each other, a memory for storing a predetermined coefficient (a) on the basis of the sh... | 07/22/1997 |
| 5558619 | Endoscope system with automatic control according to movement of an operator An endoscope system includes a movement detector for detecting an operator's movement, a signal processor for processing a signal the detector detects, and a control for controlling drive which drives a medical device according to an output signal of the ... | 09/24/1996 |
| 5545120 | Endoscopic viewing system for maintaining a surgeon's normal sense of kinesthesia during endoscopic surgery regardless of the orientation of the endoscope vis-a-vis the surgeon An endoscopic viewing system for maintaining a surgeon's normal sense of kinesthesia during endoscopic surgery regardless of the orientation of the endoscope vis-a-vis the surgeon.... | 08/13/1996 |
| 5503149 | Computer simulation of live organ using arthroscopic and/or laparoscopic data A computer system receives two dimensional image data of a heart or other organ to be simulated in three dimensions. It also receives chemical composition data of the heart or other organ, and chemical composition data other parts of the body. These data ... | 04/02/1996 |
| 5045935 | Electronic endoscope system including image processing unit with photographing unit In an electronic endoscope system, an endoscopically-processed endoscopic image such as a color-enhanced endoscopic image is photographed with a simple operation. The electronic endoscope system comprises: an endoscopic image producing unit for producing ... | 09/03/1991 |
| 5005943 | Rigid video-endoscope having a rotatable device for adjusting the orientation of an image relative to an image receiving device A rigid video-endoscope having an optical system which provide a rotatable image of an object to be observed is shown and described. The optical system is inside a rigid tube. A camera who's axis is in alignment with the optical axis of the optical system... | 04/09/1991 |
| 4998973 | Endoscope An endoscope including a light source for generating light beams having difference wavelengths to an object in an internal organ such as the stomach and the intestines of a subject, in which picture signals are picked up by a pickup device such as an opto... | 03/12/1991 |
| 4979497 | Endoscope The endoscope comprises an elongate insertable part including an observing window in the tip part and a sucking tube path in the interior, an image forming optical system receiving a light from an object coming in from the observing window and forming an ... | 12/25/1990 |
| 4961110 | Endoscope apparatus This endoscope apparatus comprises an endoscope having at least an image forming optical system, a wavelength separating apparatus separating an observed object image into images of a plurality of wavelength ranges, an imaging apparatus forming an image b... | 10/02/1990 |
| 4884134 | Video endoscope apparatus employing device shutter An endoscope apparatus has a storage-time switching circuit for shortening the charge storage time of a solid state imaging device provided with a photoelectric conversion function, and the quantity of illuminating light to be projected an object is incre... | 11/28/1989 |
| 4882623 | Signal processing apparatus for endoscope capable of changing outline enhancement frequency A signal processor for processing signals obtained from an electronic endoscope having an image pickup device which performs photoelectric conversion, the processor having an outline enhancing circuit capable of enhancing outlines within one of a pluralit... | 11/21/1989 |
| 4869237 | Electronic endoscope apparatus This electronic endoscope apparatus having an insertable part inserted into an observation object and provided with a solid state imaging device imaging the observed image, an image forming optical system forming the observed image on said solid state ima... | 09/26/1989 |
| 4834070 | Endoscope with device for shape recognition An endoscope is disclosed which incorporates an easily maneuverable device for recognizing the shapes of imaged objects. The endoscope includes device to project patterned beams on the objects, device to identify positions of spots made on the objects by ... | 05/30/1989 |
| 4831437 | Video endoscope system provided with color balance adjusting means A video endoscope system adjustable color balance in which a color balance adjusting circuit is adjusted so that a color of an ordinary object image or of a standard object image or of an image caused by a signal delivered from a standard color signal gen... | 05/16/1989 |
| 4819077 | Color image processing system A color image processing system comprises a device for taking an image of an object, a first converting device for converting the image information obtained by the imaging device into red, green, and blue images, a second converting device for converting ... | 04/04/1989 |
| 4799104 | Video signal processor for endoscope A video signal processor for endoscope has the functions of converting a picture signal representing an image of a coeloma or the like which is being observed into a television video signal and of externally controlling the tint. The processor includes ou... | 01/17/1989 |
| 4791480 | Endoscopic system with adjustable light source An endoscopic system comprises a light source for continuously irradiating an object to be photographed; a solid-state camera element for obtaining image signals from the object; a memory for storing a predetermined unit of the image signals obtained from... | 12/13/1988 |
| 4768089 | Endoscopic system In an endoscopic system, whenever signals obtained by a CCD camera are recorded through a decoder in an R (red) image memory, a G (green) image memory and a B (blue) image memory which constitute frame memories, data of R, G and B images are computed and ... | 08/30/1988 |
| 4766489 | Electronic endoscope with image edge enhancement An electronic endoscope comprises an endoscope provided with an imaging device. A signal treating circuit produces color signals from output signals of the imaging device. Image enhancers respectively enhance the edges of the images of the color signals p... | 08/23/1988 |
| 4743966 | Endoscope apparatus for imaging internal portions of a patient's body An endoscope device according to the present invention includes an endoscope used to pick up images at an object portion in a body cavity that is pulsating at irregular rates and is illuminated by a light source, a memory device for storing the date of pi... | 05/10/1988 |
| 4736734 | Endoscope with variable illumination angle An endoscope having a light source unit, a light guide fiber for guiding illumination light from the light source unit to the distal end in the inserting section of the endoscope main body, an optical system provided in the distal end for guiding the illu... | 04/12/1988 |
| 4712133 | Endoscopic apparatus An endoscopic apparatus according to the present invention includes an image pickup optical system, a solid state image pickup element for converting an optical image of an object formed by said optical system to electrical signals, a television circuit u... | 12/08/1987 |
| 4699125 | Endoscope apparatus An endoscope apparatus for producing a video signal by inserting an insertion portion in a body cavity of a patient and photographing a portion to be examined and for producing image information for medical diagnosis according to the video signal includes... | 10/13/1987 |
| 4697210 | Endoscope for displaying a normal image An endoscope used for observing the interior of a cavity in a human body. In the endoscope according to the present invention, an image sensor is provided in the forward end of an insertion section and an object of interest is displayed on a screen of a t... | 09/29/1987 |
| 4677470 | Image reversal correction system for video endoscopes An endoscope subsystem, for a video endoscope system of the type having an insertion tube employing a video sensor, an optical imaging system for forming images on the sensor, and a video display for displaying an image derived from the sensor, which subs... | 06/30/1987 |
| 4618884 | Image pickup and observation equipment for endoscope The resolution in observing or picking up the image of a subject is improved by providing a driving means to vibrate part of the optical observation system of an endoscope using the image guide made of fiber bundle or the image-forming optical system of a... | 10/21/1986 |
