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| Number | Title | Issue Date |
| 4893913 | Steromicroscope having stabilizer for preventing tipping of eyepiece assemblies A stereo vision optical instrument having eyepieces which are rotatably mounted to the instrument by way of pivot plates includes apparatus coupled between the pivot plates to prevent binding of the eyepieces as they are rotated.... | 01/16/1990 |
| 4818085 | Microscope having an easily removable lamp structure A microscope comprising a base portion (13), a cross member (15) and a vertical portion (14) connecting the base portion and cross member, at least one lamp (LA) for microscope illumination being arranged within the vertical portion, a slide adapted to be... | 04/04/1989 |
| 4803352 | Autofocusing system for a microscope and method of using the same A microscope with continuously or discontinuously variable objective magnification is provided with an autofocus system, the beam path of which passes through the objective and is directed out of the imaging beam path of the microscope between objective a... | 02/07/1989 |
| 4801553 | Methods of and apparatus for preparing tissue specimens A cassette for holding a tissue specimen comprises a body portion (10) and a separable portion (12) which snap together to enclose a specimen (42) in a mould space (54) of the cassette. The specimen (42) is located and oriented in the mould space (54) bet... | 01/31/1989 |
| 4770520 | Protective cover for turret assembly of an optical instrument A cover member is set forth which protects the rotatable turret and objectives of an inverted microscope from exposure to corrosive or otherwise potentially harmful substances.... | 09/13/1988 |
| 4770518 | Apparatus for indicating intensity of an illuminator in an optical instrument A mechanical indicator for indicating the intensity of an illuminator is described for use in an optical instrument. The indicator includes a cover plate having a plurality of apertures and an opaque slide plate mounted behind the cover. The opaque slide ... | 09/13/1988 |
| 4745764 | Method and device for metal-mirror cryofixation of biomedical or similar technical specimens A method for metal-mirror cryofixation of bio-medical or similar technical specimens in which a specimen is brought into contact with a highly polished, cooled metal mirror in order to cool at least a marginal zone of the specimen suddenly to a low temper... | 05/24/1988 |
| 4723420 | Apparatus for treating specimens at low temperature Apparatus for treating biological specimens at low temperatures for subsequent microscopic examination comprises a container having a specimen treatment chamber disposed in a vessel adapted to contain liquid coolant. The specimen treatment chamber is adap... | 02/09/1988 |
| 4715697 | Microscope body system A microscope body is adapted to compensate for the deliberately introduced 0.6 percent lateral color of an infinity corrected microscope objective. This compensation of the lateral color by the microscope body is done without introducing objectionable axi... | 12/29/1987 |
| 4712889 | Photometer for use with a microscope A photometer for use with a microscope having an object plane an image plane and an optical axis between said planes. The photometer includes an optical dividing means adapted to be disposed in the optical axis between the microscope object and image plan... | 12/15/1987 |
| 4711537 | Stage for a microscope A stage for a microscope comprises a stage carrier, an object stage, an intermediate carrier disposed between the stage carrier and the object stage, and first and second displacement means. The first displacement means serves to displace the intermediate... | 12/08/1987 |
| 4702464 | Guide device for guiding a movable part of an apparatus relative to a fixed part of the apparatus A guide device for guiding a movable part of an apparatus relative to a fixed part of the apparatus, includes a first guide rail adapted to be provided on the movable part and a second guide rail adapted to be provided on the fixed part. Bearing means com... | 10/27/1987 |
| 4702576 | Ocular scattering analyzer A method and apparatus for non-invasive in vivo inspection of ocular tissue wherein a laser provides a low power, coherent and uniform output beam of light which is guided through the optical system of a modified slit lamp biomicroscope to the eye of a pa... | 10/27/1987 |
| 4695046 | Specimen holder clamp for a microtome A specimen holder clamp for a microtome comprising a fixed jaw which is fixed relative to a guide member and a movable jaw which is movable along a path defined by the guide member. The clamp is provided with a first infinitely adjustable rack, and the mo... | 09/22/1987 |
| 4690023 | Clamping mechanism for a cutter of a microtome In a clamping mechanism for a blade of a microtome, in which the blade is clampable in a cutting blade mounting, the blade is supported on its front side and on its rear side in proximity with the cutting edge in the cutting region of the blade.... | 09/01/1987 |
| 4691151 | Microtome feed-motor control A microtome has a specimen holder which executes a vertical up and down movement relative to a cutting knife and which has a guide mechanism in which a sleeve is arranged so as to be horizontally displaceable. The sleeve is provided at its front end with ... | 09/01/1987 |
| 4687913 | Microscope autofocus system An autofocus mechanism for a microscope comprises an arrangement of optical elements aligned along a single optical path. The arrangement includes a single illumination source which provides both a viewing component and a positioning component. Included i... | 08/18/1987 |
| 4678291 | Optical arrangement for microscopes To allow rapid change between the conoscopic observation method and the orthoscopic observation method in a microscope, while showing a small overall size and permitting and optically correct position of the Bertrand lens and the associated diaphragm, an ... | 07/07/1987 |
| 4660942 | Microscope adjustment apparatus In a microscope, a nosepiece support assembly and a coarse and fine adjustment mechanism in direct operative control of the support assembly, the support assembly including a nosepiece mounting carriage with a depending rod rigid therewith and mounting a ... | 04/28/1987 |
| 4651718 | Vertebra for articulatable shaft A shaft which is capable of flexing or articulation under remote control comprises a plurality of identical vertebrae each having a generally circular outer rim (1), an inner hub region (2), and a plurality of webs or spokes (3) interconnecting the outer ... | 03/24/1987 |
| 4644178 | Signal processing for optical image sensor A circuit and method for converting signals from a photoelectric image sensor into digital signals containing information as to a characteristic of the sensor signals. The photoelectric image sensor provides output pulses having characteristic determined ... | 02/17/1987 |
| 4640616 | Automatic refractometer An automatic refractometer comprising a photosensitive device having a relatively narrow dynamic range in the form of a linear scanned array including a plurality of photoelectric elements each providing an output pulse during a scan and the amplitude of ... | 02/03/1987 |
| 4637226 | Device for the cryogenic transfer of specimens A device for use in transferring a specimen from an apparatus containing a cryogenic coolant, comprises a specimen holder and coolant transfer means. The coolant transfer means permits coolant from within the apparatus to be introduced into the specimen h... | 01/20/1987 |
| 4625608 | Microtomes A microtome has a specimen holder which executes a vertical up and down movement relative to a cutting knife and which has a guide mechanism in which a sleeve is arranged so as to be horizontally displaceable. The sleeve is provided at its front end with ... | 12/02/1986 |
| 4598621 | Microtome having a handwheel for driving a specimen holder A microtome comprises a handwheel which can be rotated in two directions of rotation, and drive means for the purpose of driving a specimen holder, so that the specimen holder executes a cutting movement when the handwheel is rotated in one direction, and... | 07/08/1986 |
| 4597644 | Inclinable microscope body In a microscope possessing an adjustable-inclination viewing tube and optical path system for erecting the image, an optical component forming part of the erecting system can be interchanged with another optical component. It is thus possible to select, a... | 07/01/1986 |
| 4594929 | Microtome having specimen retraction means A microtome provided with a drive wheel mounted in a stand, to be actuated manually and/or by means of a drive motor for generating a vertical relative movement between a specimen holder and a cutting knife, has a specimen holder, having a specimen clampi... | 06/17/1986 |
| 4593679 | Connector device for an endoscope An endoscope has a handle portion and a separate shaft portion which can be joined to the handle portion. The shaft portion has a flexible shaft flexing movement of which is controlled by knobs on the handle portion, and this motion is transmitted across ... | 06/10/1986 |
| 4593979 | Tilting microscope binocular body In a microscope possessing an adjustable-inclination binocular unit and an optical path system for erecting the image, these two subsystems possess a common splitting prism, thus shortening the overall optical path in the microscope, so that the space req... | 06/10/1986 |
| 4578096 | Gradient index optical components An optical component having a gradient refractive index produced by multiple windings of a glass fiber over a glass mandrel. The fiber is provided with a refractive index gradation which varies from an approximate match with the mandrel to selected lower ... | 03/25/1986 |
| 4572163 | Valve body for endoscope A valve body (20) for an endoscope is moulded from polypropylene and has a straight through bore (27) to aid cleaning of the valve body. The valve body (20) has spaced external ribs (48, 50) which locate the valve body (20) with respect to the casing of a... | 02/25/1986 |
| 4464608 | Circuit for controlling optical apparatus such as an ophthalmoscope A circuit for operating and controlling optical apparatus for viewing an object and making a photographic record thereof and having an illuminating light source and a photoflash light source, the circuit including a pulse width modulator for operating the... | 08/07/1984 |
| 4435052 | Ophthalmic test apparatus having magnification compensation In apparatus for determining the refractive correction for a patient's eye, a plurality of similar test targets are presented to the patient simultaneously, with these test targets being viewed through different trial refractive corrections for the patien... | 03/06/1984 |
| 4418988 | Microscope objective A four-component microscope objective has a numerical aperture of 0.66. When used with a telescope objective as described in U.S. Pat. No. 3,355,234, the objective provides a magnification of 40X and is well corrected for the usual chromatic image aberrat... | 12/06/1983 |
| 4417787 | Five-component microscope objective An infinity-corrected, semi-apochromatic microscope objective having an N.A. of 0.85 has five elements and provides a magnification of 50× when used with a telescope objective having an effective focal length (efl) of 183 mm.... | 11/29/1983 |
| 4413891 | Refractor optical system A refractor optical system having a new series of spherical and cylinder lenses substantially eliminates the irregular occurrence of additive errors when lenses spaced from the reference plane are used or more than two lenses are combined and permits corr... | 11/08/1983 |
| 4414009 | Method of making an image intensifier faceplate A glass faceplate having a central area of required useful diameter surrounded by a narrow ring of opaque glass and an outer glass mounting flange. Light entering the flange or ring is prevented from reaching the central area as stray light or glare in th... | 11/08/1983 |
| 4393322 | Image intensifier faceplate A glass faceplate having a central area of required useful diameter surrounded by a narrow ring of opaque glass and an outer glass mounting flange. Light entering the flange or ring is prevented from reaching the central area as stray light or glare in th... | 07/12/1983 |
| 4391621 | Method of making lenses having a spherical face A lens is formed of a section of glass clad glass rod ground and polished to a spherical shape of radius of curvature equal to that desired of a face of the lens. Remaining leachable cladding glass is removed leaving the lens with finished spherically cur... | 07/05/1983 |
| 4389089 | Flexible fiber optical conduit and method of making A flexible image-conducting bundle of optical fibers is produced by juxtapositioning and drawing a multiplicity of glass-clad glass fiber preforms and interstitial rods of leachable glass. The drawn assembly is cut to desired length and interstitial glass... | 06/21/1983 |
