Erich Blaha, Kurt Schulz: Adjustable viewing head for a stereoscopic microscope. Carl Zeiss Stiftung, Hopgood Calimafde Kalil Blaustein & Lieberman, November 27, 1979: US04175826 (31 worldwide citation)

The invention contemplates a viewing-head attachment removably securable to the body of a microscope and adapted to accommodate binocular viewing elements. The attachment employs two housings which are pivotally connected so that the binocular-viewing elements on one housing are enabled to stereosco ...

Josef Reiner: Prism system for a stereoscopic microscope. Oculus Optikgeraete, Flynn Thiel Boutell & Tanis, April 23, 1991: US05009487 (27 worldwide citation)

A prism system for a stereoscopic microscope in which both an image inversion and also an interchanging of the sides of the two beam paths can occur. In order to achieve a reliable simply constructed design of a small size, the prism system has four reflecting surfaces for each beam path, of which t ...

Moritoshi Ando: Method and apparatus for visually examining an array of objects disposed in a narrow gap. Fujitsu, Staas & Halsey, August 11, 1987: US04686565 (27 worldwide citation)

A method of and apparatus for visual inspection of the condition of soldered connections between connector pads of a wiring pattern provided on a circuit board and tips of conductor pins of an IC package mounted thereby on the circuit board. The back, or bottom surface of the circuit board is illumi ...

William J Carter: Stereoscopic optical system. Ciotti Murashige Irell & Manella, August 2, 1988: US04761066 (26 worldwide citation)

An optical system for producing stereoscopic imaging of a subject. The system includes an objective lens for producing an image of the subject, and right and left ocular lenses for viewing the image through right and left eyes, respectively. A polarizing filter device positioned near the objective l ...

Masao Nohda: Automatic focusing device in a stereoscopic microscope. Nippon Kogaku, Fitzpatrick Cella Harper & Scinto, May 8, 1984: US04447717 (24 worldwide citation)

An automatic focusing device in a stereoscopic microscope having a pair of left and right stereoscopic observation optical systems disposed rearwardly of a common objective lens includes automatic focusing means for converting an amount of focus deviation into an electrical signal and automatically ...

Larry K Kleinberg: Multi-user microscope with orientation adjustment and method. Storz Instrument Company, Brooks & Kushman, October 1, 1991: US05052789 (23 worldwide citation)

A stereoscopic microscope system having a primary and secondary viewing station which are rotatably positionable relative to one another for simultaneously viewing an object is disclosed. An objective lens focuses a plurality of rays of light aligned with a primary optic axis upon an object to be vi ...

Heinz Volkert, Rainer Kirchhuebel, Manfred Spitznas: Stereoscopic microscope including a field-magnifying lens in front of the objective lens. Oculus Optikgeraete, Flynn Thiel Boutell & Tanis, January 25, 1994: US05282085 (22 worldwide citation)

The invention relates to a stereoscopic microscope, which is suited both for pure observation and also for support during surgical procedures in ophthalmology. It can be adapted to both uses through an inversion optics arrangement, which can be removed from the beam path of the microscope. The inver ...

Isao Matsumura: Stereoscopic microscope with means for varying stereoscopic viewing angle. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, June 23, 1987: US04674845 (21 worldwide citation)

A stereoscopic microscope comprises an object lens, a pair of stereoscopic observation optical systems arranged behind the object lens and light beam deflection means arranged between the stereoscopic observation optical systems and the object lens for varying a stereoscopic view angle.

Walter Lang, Ortwin Muller, Alfons Neidlinger: Stereoscopic microscope for multiple observation. Carl Zeiss Stiftung, Stonebraker Shepard & Stephens, July 27, 1982: US04341435 (21 worldwide citation)

A stereoscopic microscope arranged for multiple observation, so that a surgical operation or other event may be observed simultaneously by two observers, or by one observer and a television apparatus. Three observation light paths are provided, with the centers of their respective entrance pupils ly ...

David G Groh: Method of using image analysis under cross-polarized light to evaluate follicular biopsy slides. Amway Corporation, Michael A Mohr, Jill M Beckman, August 30, 1994: US05343536 (20 worldwide citation)

A method of evaluating follicular biopsy specimens (skin samples) in order to count the number of comedones (25) present in the specimen involving the steps of applying an adhesive, in vivo, to a subject's skin; applying a microscopic slide to the adhesive covered skin; allowing the adhesive to set ...