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| Number | Title | Issue Date |
| 5148307 | Nanometer dimension optical device with microimaging and nanoillumination capabilities A nanometer dimension light source includes a source of excitation and an active, electrooptic or chemilluminescent material such as crystalline anthracene. The material is introduced into a confined space having molecular dimensions or is shaped to a poi... | 09/15/1992 |
| 5089909 | Documentation illumination module for a microscope system A documentation illumination module by which full illumination of a properly oriented image of a microscope's field-of-view is returned to a documenting camera or the like. The module includes a cavity with a forming and field-of-view controlling lens sys... | 02/18/1992 |
| 5015081 | Binocular microscope A binocular microscope has an objective optical system for receiving a beam of rays from an object and emitting it as a parallel pencil of rays, a relay optical system for relaying the beam of rays coming from the objective optical system, and an ocular f... | 05/14/1991 |
| 5007723 | Documentation illumination module for a microscope system A documentation illumination module by which full illumination of a properly oriented image of a microscope's field-of-view is returned to a documenting camera or the like. The module includes a cavity with a forming and field-of-view-controlling lens sys... | 04/16/1991 |
| 4948247 | High speed stroboscope system for visually observing dynamic properties by moving objects of various characteristics An improved stroboscopic system permits higher response speeds in the order of nanoseconds and a richness of control fatures for highlighting different viewing surfaces including pulse flash length control in addition to frequency, color control, light em... | 08/14/1990 |
| 4896966 | Motility scanner and method A motility scanner and method are disclosed for characterizing the motion of sperm, bacteria, particles suspended in flowing fluids and the like. The motility scanner preferably is mounted as a portable unit in a container and includes an optical system, ... | 01/30/1990 |
| 4881802 | Combined bright field-dark field incident light illumination apparatus A combined bright field-dark field incident light apparatus 10 for a microscope instrument is described, in which in the dark field illumination the plane of the field diaphragm LF is projected into the object plane 25 via at least one intermediate image ... | 11/21/1989 |
| 4852985 | Illuminating device for microscopes In order to be suited for long-term use in an enclosed space and to enable various modes of illumination by simple procedures and at a low cost without adding special optical components, the illuminating device for microscopes of the invention comprises a... | 08/01/1989 |
| 4810077 | Grazing angle microscope A grazing angle microscope includes a highly convex central spherical mirror segment and a highly concave annular spherical mirror segment. A beam of incident radiant energy is sequentially directed against a part of the first convex mirror and a first pa... | 03/07/1989 |
| 4779967 | Objective lens assembly An objective lens system having a pair of plano-convex lenses disposed adjacent each other with the convex surfaces facing each other and aligned along common optical axis. A plurality of optical fibers surround the plan-convex lenses to convey light and ... | 10/25/1988 |
| 4737022 | Automatic focusing device for reflected light microscopes An automatic focusing microscope switchable between light-field and dark-field positions, so designed that the automatic focusing is operative in the dark-field condition or mode as well as in the light-field condition. In a first embodiment, auxiliary il... | 04/12/1988 |
| 4704007 | Variable magnification endoscope An endoscope whose magnification may be continuously varied from zero to a microscopic magnification of 40× or more while providing full correction for aberrations at widely different magnifications. The objective comprises a positive lens group in a mic... | 11/03/1987 |
| 4687304 | Incident illumination apparatus for a microscope An illumination apparatus having two separate optical systems each of which is provided with its own light source for the bright-field and the dark-field illumination beam path and which can be optimized independently on one another to meet the different ... | 08/18/1987 |
| 4665036 | Illuminating device for the optical, particularly image-analytical evaluation of microbiological objects An illuminating device with a diffused, radiating, surface light source (3) and an aperture system positioned between the light source and the object is provided. The aperture system is formed by two optically complementary aperture screens (4, 5) which a... | 05/12/1987 |
| 4659193 | Epidark illumination device An epidark illumination device comprising an optical means whereby a light from a light source is rightly reflected within an entrance plane including an optical axis but is diffused within a plane vertical to the entering plane, a light interrupting plat... | 04/21/1987 |
| 4626079 | Dark field illumination apparatus for epi-illumination system In dark field illumination apparatus for epi-illumination system, in order to attain the above and other objects, the present invention provides an annular light beam which is coaxial with the optical axis of the objective lens and is supplied along an op... | 12/02/1986 |
| 4601551 | Manipulation of embryos and ova Embryos and ova are manipulated at a work station that includes a microscope, a stage positioned below the objective the microscope on which an embryo- or ovum-containing sample is placed and micromanipulators and associated tools for operating on or othe... | 07/22/1986 |
| 4585315 | Brightfield/darkfield microscope illuminator A brightfield/darkfield microscope illuminator has two axicon mirrors and a third plane mirror for use with two light beams from different sources. An open shutter positioned in the path of one beam provides brightfield illumination. An open shutter posit... | 04/29/1986 |
| 4498769 | Device for examining an object under conditions of lighting on a black background A device for examining under conditions of lighting on a black background an object such as the surface of a spectacle lens, comprising, in a casing, a support for supporting the object to be examined, and black background lighting means including an opaq... | 02/12/1985 |
| 4487486 | Vertical illuminator for microscope A vertical illuminator for microscope permits a choice between a vertical bright and a vertical dark field illumination. The illuminator includes a light diminishing member or a light shield member which is operated in response to an illumination switchin... | 12/11/1984 |
| 4475796 | Epidark illumination system An Epidark illumination system wherein an optical member for forming the image of a light source is provided in a dark field light path to illuminate a sample with the light from the image of the light source in order to be able to make a uniform bright i... | 10/09/1984 |
| 4440475 | Electron probe microanalyzer comprising an observation system having double magnification The electromagnetic lens for focusing the analyzing electron beam is provided with a central channel along the axis of the electron beam which is intended to pass through a mirror-objective having high magnification. The electromagnetic lens further compr... | 04/03/1984 |
| 4407569 | Device for selectively available phase-contrast and relief observation in microscopes The invention contemplates a microscope construction, applicable both to reflected-light and to transmitted-light varieties, whereby an object under examination can be selectively observed for phase-contrast and for relief effect (so-called "contrast modu... | 10/04/1983 |
| 4351584 | Ring lighting for microscopes Improved ring lighting for microscopes, characterized in that it comprises substantially the combination of a light source remote from the precious stone being examined, a glass fiber guide extending to an annular end-piece and a reflector secured on the ... | 09/28/1982 |
| 4329014 | Incident light illumination instrument for selective light and dark field illumination An incident light illumination apparatus for generating light and dark field illumination along an optical axis. The illumination apparatus is coupled to a stage arm of a microscope and a microscope tube is coupled to the illumination apparatus. An illumi... | 05/11/1982 |
| 4317613 | Illumination arrangement for microscopes The invention relates to an arrangement for simultaneous dark field and phase contrast illumination of microscopic samples in which a bundle of beams from a light source is totally reflected at a shell of an optical cone and directed to the sample via res... | 03/02/1982 |
| 4291938 | Apparatus for dark field illumination Apparatus for dark field illumination consisting of light conducting fibers having end faces arranged within an annular region which is coaxial with the optical axis of an optical assembly, such as a microscope objective. The annular region is within the ... | 09/29/1981 |
| 4232937 | Bright field-dark field illumination system An illumination system for bright field/dark field microscopy has a swinging deflector which is normally positioned on the optical axis when bright field microscopy is used and which is swung off the optical axis when dark field microscopy is used. When t... | 11/11/1980 |
| 4186993 | Epidark illumination system An epidark illumination system for use with a microscope in which a sample is illuminated from around an objective by a ring-shaped light flux having its center coincident with the optic axis of the objective to enable the sample to be observed in a dark ... | 02/05/1980 |
| 4160578 | Annular reflector for microscope objective The annular reflector for a dark-field, vertically-illuminated microscope objective must have a peculiar curvature to obtain a uniform distribution of the light on the object surface being viewed. Four reflectors are disclosed. Each reflector is suitable ... | 07/10/1979 |
| 4127318 | Direct illumination apparatus for light and dark field illumination Direct illumination apparatus for microscopes for generating illumination of light fields, phase contrasts, interference contrast and dark fields. A deflecting mirror is located in the observation beam, which is partly specular at its center region and fu... | 11/28/1978 |
| 3930713 | Incident light illumination instrument for selective light and dark field illumination An incident light illumination device or instrument for generating dark and light field illumination, wherein at least one optical component is used in a region where the dark field and the light field illumination beams are kept in separate zones. The in... | 01/06/1976 |
