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Karl Hermann Breyer, Klaus P Koch: Optoelectronic distance sensor with visible pilot beam. Carl Zeiss Stiftung, Walter Ottesen, April 25, 1989: US04825091 (160 worldwide citation)

The invention is directed to a distance sensor operating in accordance with the triangulation principle. The distance sensor has at least one pilot beam source which makes the imaging beam path of the sensor visible. The imaging beam path is inclined with respect to the measuring beam. A second pilo ...


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Jan Wikstrom: Eyewash dispenser. Fagersta EL & Diesel, Walter Ottesen, November 15, 1988: US04784652 (154 worldwide citation)

The invention relates to a portable, handheld eyewash dispenser for discharging an eyewash liquid. The eyewash dispenser includes a housing and an expandable rubber bladder mounted in the housing. The housing and the rubber bladder conjointly define a chamber for accommodating the eyewash liquid the ...


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Gerhard Muller, Norbert Muller Stolzenburg: Method and apparatus for performing surgery on tissue wherein a laser beam is applied to the tissue. Carl Zeiss Stiftung, Walter Ottesen, June 23, 1992: US05123902 (152 worldwide citation)

Surgical procedures on biological tissue are carried out with the aid of a laser with substances being applied to the tissue before or during the treatment and these substances are absorbent in the range of the wavelength of the laser beam. A surgical manipulator can be provided and equipped with su ...


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Josef Bille: Method and apparatus for forming an image of the ocular fundus. Carl Zeiss Stiftung, Walter Ottesen, April 1, 1986: US04579430 (145 worldwide citation)

In contrast to techniques currently used such as the fundus camera, the strain to which the patient is exposed during the generation of an image of the ocular fundus is reduced by moving a laser beam across the retina in the form of a scanning raster and by directing the light reflected from the ret ...


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Werner Muller, Joachim Luber: Surgical microscope for conducting computer-supported stereotactic microsurgery and a method for operating the same. Carl Zeiss Stiftung, Walter Ottesen, October 25, 1994: US05359417 (138 worldwide citation)

A defined determination of the field of view observed through a surgical microscope is made. To achieve this determination, the relative current position of the plane of the field of view to the position of an object detail of interest is detected in a sighting method with the aid of a position dete ...


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Joachim Luh, Markus Paeulgen, Frank Seidel, Karl Heinz Senger, Klaus Ries Mueller: System and method for the setting of an engine torque and a gearbox ratio in a vehicle with a continuously variable gearbox. Robert Bosch, Walter Ottesen, April 3, 2007: US07197915 (130 worldwide citation)

The invention relates to a system for inputting a motor torque and a transmission ratio in a vehicle having a continuously variable transmission (3) with means (202) for determining a desired motor torque (205) while considering a signal representing a driver command; means (203) for determining a d ...


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Hermann Schurle, Wolfgang Grimm, Hartmut Mennicke: Vision testing system for testing the sight function of a patient. Carl Zeiss Stiftung, Walter Ottesen, July 19, 1994: US05331358 (129 worldwide citation)

A vision testing system includes polarization spectacles having different polarization axes with or without .lambda./4 filters for the two polarization lenses forward of the eye of the patient to be tested. This system also includes a vision testing apparatus for generating light having a specific p ...


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Klaus Herzog: Method and apparatus for making coordinate measurements. Carl Zeiss Stiftung, Walter Ottesen, October 9, 1990: US04961267 (128 worldwide citation)

The invention is directed to a coordinate measuring apparatus which includes an elevation measuring device. The elevation measuring device is connected with a stationary granite table via one or several linkage arms for determining the planar coordinates. Transducers for detecting angular values or ...


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Johannes Wangler, Gerald Richter: Illuminating arrangement including a zoom objective incorporating two axicons. Carl Zeiss Stiftung, Walter Ottesen, October 7, 1997: US05675401 (125 worldwide citation)

An illumination system for an optical system such as a microlithographic projection exposure system includes a zoom lens 2 for varying the degree of coherence .sigma. and two axicons (22, 23) with an adjustable distance therebetween. The distance can preferably be reduced to zero. The illumination s ...