...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 4662747 | Method and apparatus for production and use of nanometer scale light beams An optical system for determining and reproducing spatial separation of features in the range of 80Å to 2500Å for optical microscopy and lithography using visible light, the system being independent of the wavelength of the incident light. An aperture m... | 05/05/1987 |
| 4643540 | Microscope provided with an automatically controlled illuminating optical system A microscope comprising a data input means capable of putting in data on the magnifications and kinds of objectives, a detecting means for recognizing an objective inserted in a light path, a memory means capable of memorizing respective data relating to ... | 02/17/1987 |
| 4639097 | Apparatus for the inspection of combined read/write heads of data carrier disks in EDP installations An inspection apparatus for the read/write heads of data carrier disks in electronic data processing equipment is provided with a mirror holder with approximately two parallel sides between which extends a deviating mirror and a viewing mirror and at leas... | 01/27/1987 |
| 4625677 | Apparatus for coating and polishing a micropipette An apparatus for coating and polishing a micropipette for patch recording comprises an inverse microscope having a stage for supporting a micropipette to be processed, and a pair of objectives of relatively low and relatively high magnification, respectiv... | 12/02/1986 |
| 4621531 | Ultrasonic microscope An ultrasonic microscope having an ultrasonic head and an optical head is disclosed. A slide plate on which the ultrasonic head and optical head are arranged in such a manner that they are separated by a predetermined spacing in Y direction is slidably se... | 11/11/1986 |
| 4614410 | Ultrasonic microscope with optical microscope incorporated therein An ultrasonic microscope has an optical microscope disposed in juxtaposition therewith so that the optical microscope can directly observe a specimen to be observed by the ultrasonic microscope, by moving the specimen toward the optical microscope. The op... | 09/30/1986 |
| 4607919 | Manipulator for use with a surgical microscope A manipulator is provided for a surgical microscope in order to deflect a laser beam on the viewed operating area, the movement of a handle being transmitted via a lever mechanism to the movement of a mirror which reflects the laser beam to a point and vi... | 08/26/1986 |
| 4597643 | Pivotable filter holder for microscopes Apparatus is provided for attachment to a microscope which alternately positions a filter in alignment with the objective of the microscope and stowed along the side of the body of the microscope. A stationary post is screwed to an accessory fitting assoc... | 07/01/1986 |
| 4589742 | Microscope for observing environmentally sensitive objects A microscope has a support structure which comprises a base, an upright portion, a cross-head and an objective-turret assembly mounted on an underside of the cross-head. The cross-head is mounted on the upright portion and contains principal components fo... | 05/20/1986 |
| 4579427 | Conical finder microscope Four vertical stacks of quadrant conical stage lenses mounted inside a microscope tube, and a retractable primary conical lens mounted between the stage lenses and the object. The quadrant lenses have relatively low powers of 500×, 1000×, 1500× and 200... | 04/01/1986 |
| 4571037 | Fiber optic microscope with adjustable tube assembly A compact portable microscope includes an optical tube assembly which is resiliently mounted therein. Adjusting members bear against the optical tube to shift the position of the objective relative to the stage. The image of the specimen being examined ma... | 02/18/1986 |
| 4568152 | System for reflecting an image into a microscope A marking image control system for a microscope arrangement in which the image of a marking on a mask is reflected into the optical path and combined with an object image of the microscope, the system forming an intermediate image of the marking in order ... | 02/04/1986 |
| 4568188 | Microscope photometer The invention contemplates a photometer tube having a rotatably mounted slit-diaphragm insert, with provision for scanning a specimen object through the slit, in the direction perpendicular to the instantaneous longitudinal orientation of the slit. In a f... | 02/04/1986 |
| 4567478 | Liquid-crystal display for microscopes A transparent multifunction display field (LCD display 23) is reflected by means of a transmitted-light projection ray path (21-27) into the intermediate image plane (11) of a photomicroscope. The LCD display (23) provides the viewer with information on the st... | 01/28/1986 |
| 4537477 | Scanning electron microscope with an optical microscope A scanning electron microscope has a specimen chamber in which there are mounted a specimen moving mechanism and an optical microscope for observing a transmission optical image of a specimen. The optical microscope includes an objective lens unit and an ... | 08/27/1985 |
| 4533220 | Indicating device for indicating data within the visual field of microscope There is an indicating device constituted so as to be apt to indicate the data such as the magnification ratio of an objective lens, the value of NA, the data or the like in the visual field of a microscope and at the same time to record these data in pho... | 08/06/1985 |
| 4531816 | Spacing safety mechanism for operation microscopes with electromotive stands A spacing safety mechanism for operation microscopes with electromotive stands is described, in which ultrasonic transmitter and an ultrasonic receiver are arranged in the vicinity of the operation microscope. When the travel time of the ultrasonic signal... | 07/30/1985 |
| 4469411 | Quadrant conical-lens microscope The disclosure is a microscope in which magnification is produced by multiple quadrant stages of conical lenses. Conical lenses receive and emit parallel rays of light, and they can be stacked vertically in series to produce multiple magnification which i... | 09/04/1984 |
| 4427270 | Microscope frame The stand for a microscope comprises a portion extended to receive the optical device and a transport handle (22) which may be retracted inside the stand.... | 01/24/1984 |
| 4398211 | Solid state optical microscope A solid state optical microscope wherein wide-field and high-resolution images of an object are produced at a rapid rate by utilizing conventional optics with a charge-coupled photodiode array. A galvanometer scanning mirror, for scanning in one of two or... | 08/09/1983 |
| 4362355 | Operating microscope assembly A movable microscope assembly includes a translational movement mechanism located between a microscope and tilting means associated with the microscope, for causing a translational movement of the microscope in a plane perpendicular to the observation opt... | 12/07/1982 |
| 4361379 | Surgery microscope with cut-through form lens with a light barrier The invention relates to a surgery microscope with a front lens having at least one displaceable element through which the light beams can be passed in addition to the observation beams. The displaceable front lens element is constructed in cut-through fo... | 11/30/1982 |
| 4359282 | Optical measuring method and apparatus A method and apparatus for measuring vertical surface variations of a specimen is disclosed wherein the specimen is mounted in movable relation to an objective lens assembly, a reticule being arranged at a focal plane of the objective lens assembly, movem... | 11/16/1982 |
| 4353618 | Optical arrangement for the reflecting microscopic examination of an object An optical system for the reflecting microscopic examination of objects. An illuminating beam path and an observation beam path are provided along with an optical lens such that the beam paths pass through the optical lens and make an angle with each othe... | 10/12/1982 |
| 4339100 | Arrangement at a stand for an optical observation device An arrangement at a stand for an optical observation device, especially for a surgical microscope, containing a stand which essentially comprises an upright column or stand at which there is pivotably mounted an arm member for pivotable movement about a h... | 07/13/1982 |
| 4334736 | Wet cornea microscope A wet cornea microscope enables a viewer to see a substantially magnified image of a sample. The microscope includes a barrel having a hollow tubular interior and first and second ends. An objective lens is coupled to the first end of the barrel and is po... | 06/15/1982 |
| 4303340 | Optical micrometer measuring system An optical micrometer measuring system adapted to gauge minute distances between spaced points on an object under test and to indicate the results in digital terms. The system includes a compound microscope having a stage for supporting the object, the ob... | 12/01/1981 |
| 4289378 | Apparatus for adjusting the focal point of an operating laser beam focused by an objective A method of and an apparatus for adjusting the focal point of a working laser beam onto a microscopic target region of a transparent biological object to locate the focal point a spaced predetermined microscopic distance from an interface of the object is... | 09/15/1981 |
| 4262426 | Marker assembly for use with a microscope A marker assembly for microscope includes a mounting shaft on the free end of which is detachably connected a marking member having a marking piece. A support member defines a chamber within which to receive the shaft in a displaceable manner. The support... | 04/21/1981 |
| 4232335 | Numerical control tape preparation machine A memory device is provided for measuring the displacements of a table movable in two directions mutually perpendicular to each other and storing the displacements. In case of the measurement of table positioning data, the data measurement may be made wit... | 11/04/1980 |
| 4204748 | Focal relay lens system for an inverted microscope An afocal relay lens system comprising a first lens group consisting of a positive cemented doublet and a second lens group consisting of a positive cemented doublet and a negative cemented doublet, and being arranged between the contact surface of the re... | 05/27/1980 |
| 4158475 | Optical system for inverted microscopes A pair of identical bi-convex triplets, a mirror, and a pentaprism are used to extend the parallel light zone between the objective and the telescope lens of a conventional infinity corrected microscope system. Specific values for the components and spaci... | 06/19/1979 |
| 4055376 | Calibration reticle for measuring microscopes A calibration reticle for measuring microscopes is disclosed in which a calibrated distance is established by calibration reference lines whose locations are defined by selected features of the calibration pattern. Preferably, the calibration reference li... | 10/25/1977 |
| 4043633 | Optical relay for a microscope and a back aperture viewer therefor A relay lens system for use with a microscope to provide a station having a location optically equivalent to the back focal plane of the microscope objective is improved by using two identical lens components having different front and back focal lengths ... | 08/23/1977 |
| 4011748 | Method and apparatus for acoustic and optical scanning of an object A microscope for scanning an object with light and acoustic waves and producing both acoustic and optical images thereof. The microscope includes optical and acoustic lenses that focus both the light and acoustic waves on substantially the same point on t... | 03/15/1977 |
| 4000417 | Scanning microscope system with automatic cell find and autofocus A scanning automated microscope system is designed as a clinical laboratory instrument which will aid and speed the task of the medical technologist in performing leukocyte differential count and red blood cell morphology studies. The microscope system ha... | 12/28/1976 |