Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 5276550 | Optical microscope with variable magnification An optical microscope including a revolver for mounting a plurality of objective lenses having different magnifications, a stage for holding a specimen to be inspected and being movable in a plane perpendicular to an inspection optical axis, a television ... | 01/04/1994 |
| 5270855 | Microscope having a focus-adjusting mechanism A microscope which comprises a main unit comprising a base, an arm body mounted on and fixed to the base, an arm top, a revolver attached to the arm top, an objective attached to the revolver, a lens barrel held by the arm top, and an eyepiece attached to... | 12/14/1993 |
| 5260826 | Nonscanning sectioning microscope A device for microscopic sectioning and imaging of an object specimen illuminated with light comprises an objective lens, a diaphragm, and a pixel filter array. The objective lens focuses light from the object specimen to an image focal plane. The diaphra... | 11/09/1993 |
| 5260825 | Microscope A microscope has a plural number of objective lenses switchable from one to another, a memory circuit for storing parfocality data for the individual objective lenses, and a correcting device for correcting imaging conditions on the basis of the parfocali... | 11/09/1993 |
| 4968118 | Straight guide driving device The straight guide driving device comprises a guide rail fixedly attached to an immovable block such as the microscope body, a movable block such as a microscope tube block mounted so as to be displaced along the guide rail and a rack-pinion connection in... | 11/06/1990 |
| 4934799 | Multi-lens focussing arrangement for laser graphics imaging apparatus An arrangement for focussing a laser beam onto the imaging surface of a laser graphics imaging apparatus includes a viewing stage having a focussing lens and an associated eye lens that are mutually displaceable along a first optical axis through which th... | 06/19/1990 |
| 4902101 | Automatic focusing method An automatic focusing apparatus of a peak stop system adapted to perform focusing adjustment by: measuring contrast while moving stepwise an objective lens or an object in a direction of a focal point along an optical axis of the objective lens with a cer... | 02/20/1990 |
| 4812029 | Microscope system A microscope system which includes an eyepiece section and a base having an integral stage section for holding a specimen to be viewed. The eyepiece section holds a lens and further includes integral bearing elements for movably engaging a complementary g... | 03/14/1989 |
| 4796985 | Optical wave guide light collector for microscope An optical wave guide light collector includes a light pipe with a first, smaller end for disposition proximate an area to be illuminated and a second, enlarged end for disposition in the field of ambient light; a collector element directs ambient light f... | 01/10/1989 |
| 4790642 | Integrated metrology for microlithographic objective reducing lens Metrology for a microlithographic objective reducing lens 10 is integrated into a metrology block 20 secured to a lower region of the barrel 15 for lens 10. Block 20 has a central opening 27 around a lowermost element 11 of lens 10; and block 20 mounts di... | 12/13/1988 |
| 4742947 | Optical system for use as stand alone unit or with a device for attaching modular electronic components to or removing them from a substrate A optical system for stand alone use or for use with a device for attaching modular electronic components to or removing them from a substrate, including a microscope which is horizontally rotatable through 0°, +90°. and -90° positions relative to a co... | 05/10/1988 |
| 4729646 | Multi-use microscope having modular construction of extruded parts A microscope is provided which is simply, accurately and inexpensively constructed from substantially all extruded parts. The modular construction of the microscope greatly reduces the costs of the instrument without sacrificing accuracy. The modularity f... | 03/08/1988 |
| 4704013 | Auxiliary adjusting mechanism for optical instruments A precision optical instrument includes an auxiliary focusing mechanism coupled to the primary focusing mechanism such that rotation of the auxiliary mechanism rotates the primary mechanism.... | 11/03/1987 |
| 4695137 | Motorized focus drive for a microscope The operating means for manual focusing of a microscope having a motorized-focus drive is embodied in a separate control console that is flexibly connected to and positionable alongside the microscope; the operating means includes a finger wheel or knob w... | 09/22/1987 |
| 4676608 | Measuring microscope assembly A measuring microscope includes coarse and fine focusing controls arranged in a manner to isolate the microscope from any lateral forces caused by manual manipulation of the controls so as to remain precisely on the same Z axis during and after fine focus... | 06/30/1987 |
| 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 |
| 4639587 | Automatic focusing system for a microscope An automatic microscope focusing system including a light source 44, a dual channel fiber optics bundle 56 and 58, chopper means 54 for alternately admitting light to the channels, a reticle 66 and associated optics to cast alternating images onto the sur... | 01/27/1987 |
| 4616517 | Monoaxial coarse-fine adjusting mechanism for optical instruments, such as microscopes A monoaxial coarse-fine adjusting apparatus for optical instruments has a pair of friction wheels whose peripheries are in engagement with the fine adjusting shaft. The axles to which the friction wheels are mounted are received in slots formed in the coa... | 10/14/1986 |
| 4606616 | Microscopes A microscope having a first mirror located below its stage, such mirror being rotatable and bodily shiftable to selected positions to reflect light at various angles with respect to the optical axis so as to provide for various degrees of dark-field illum... | 08/19/1986 |
| 4595265 | Portable field inspection microscope for inspecting a butt end of a cylindrical object, such as a fiber optics cable An improved portable field inspection microscope intended primarily for, but not in all cases limited to, use in inspecting butt ends of fiber optics cables, or other similar cylindrical objects, and including a receiver, holder and positioner adapted to ... | 06/17/1986 |
| 4573771 | 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 ... | 03/04/1986 |
| 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 |
| 4240708 | Microscope remote control focus attachment An attachment for permitting the focus of a microscope while operating the microscope stage may be provided with means including a fastener engagable with the focusing control of the microscope and providing an extended surface to permit simultaneous and ... | 12/23/1980 |
| 4209226 | Optical viewing instrument including capillary tube and holder An instrument for viewing samples contained in capillary tubes under optical magnification. The sample-containing capillary tube is disposed in a holder within the instrument wherein the sample is illuminated for viewing. The illumination system allows fo... | 06/24/1980 |
| 4003628 | Coarse focus mechanism for microscopes A coarse focus mechanism for microscopes and related instruments wherein the mechanism includes a slip clutch operated knob which rotates a pinion shaft for moving either the optical or stage member of the microscope relative to the other member for achie... | 01/18/1977 |
