Patents by Inventor Thomas Mehner
Thomas Mehner has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11880026Abstract: A microscope, which includes a color splitter that is reflective to excitation radiation, can switch between a first and a second operating mode. A first apparatus can introduce a first cylindrical optical element into the excitation beam path between a light source and the color splitter, when the microscope is in the first operating mode, and a second apparatus can introduce a second cylindrical optical element into the excitation beam path between the color splitter and a scanning apparatus.Type: GrantFiled: November 1, 2021Date of Patent: January 23, 2024Assignee: CARL ZEISS MICROSCOPY GMBHInventors: Tiemo Anhut, Daniel Schwedt, Matthias Wald, Thomas Mehner
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Patent number: 11693198Abstract: A fiber plug facilitates optical coupling of a light-guiding fiber to a plug receptacle and includes a plug housing for receiving and locking parts of the fiber plug in position relative to one another. The plug housing has: a fiber inlet and a fiber bearing for the spatially fixed reception of the fiber; optically downstream of the fiber bearing along a beam path, an optical lens for collecting light exiting at an end face of the light-guiding fiber and for collimating the collected light; and a coupling surface with an output of the beam path and with a coupling structure for connection to a receptacle structure that is complementary to the coupling structure. An adjustable optical element is arranged optically downstream of the fiber bearing in the beam path and has a first component of a magnetic coupling consisting of two components and a first component of a kinematic coupling.Type: GrantFiled: August 25, 2021Date of Patent: July 4, 2023Assignee: CARL ZEISS MICROSCOPY GMBHInventors: Stefan Wilhelm, Thomas Mehner, Thomas Klos
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Publication number: 20220137384Abstract: A microscope, which includes a color splitter that is reflective to excitation radiation, can switch between a first and a second operating mode. A first apparatus can introduce a first cylindrical optical element into the excitation beam path between a light source and the color splitter, when the microscope is in the first operating mode, and a second apparatus can introduce a second cylindrical optical element into the excitation beam path between the color splitter and a scanning apparatus.Type: ApplicationFiled: November 1, 2021Publication date: May 5, 2022Inventors: Tiemo Anhut, Daniel Schwedt, Matthias Wald, Thomas Mehner
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Publication number: 20220066111Abstract: A fiber plug facilitates optical coupling of a light-guiding fiber to a plug receptacle and includes a plug housing for receiving and locking parts of the fiber plug in position relative to one another. The plug housing has: a fiber inlet and a fiber bearing for the spatially fixed reception of the fiber; optically downstream of the fiber bearing along a beam path, an optical lens for collecting light exiting at an end face of the light-guiding fiber and for collimating the collected light; and a coupling surface with an output of the beam path and with a coupling structure for connection to a receptacle structure that is complementary to the coupling structure. An adjustable optical element is arranged optically downstream of the fiber bearing in the beam path and has a first component of a magnetic coupling consisting of two components and a first component of a kinematic coupling.Type: ApplicationFiled: August 25, 2021Publication date: March 3, 2022Inventors: Stefan Wilhelm, Thomas Mehner, Thomas Klos
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Patent number: 8420992Abstract: In microscopes, particularly laser scanning microscopes, for detecting light coming from a sample, it is known to protect detectors from excessively high light outputs by means of shutters in the detection beam path. Further, in order to measure the light output impinging on the detector when the detection beam path is closed, a portion of the light is coupled out of the detection beam path and directed to a monitor diode. Constructions of this kind are complicated and costly. In the microscope according to the invention, a monitor diode is arranged on the shutter in such a way that the monitor diode is situated in the detection beam path when the shutter is closed. This makes it possible in a simple manner to measure the light output in a microscope when the detection beam path is closed even without additionally coupling light out of the detection beam path.Type: GrantFiled: October 15, 2010Date of Patent: April 16, 2013Assignee: Carl Zeiss MicroImaging GmbHInventors: Peter Kuehn, Dietmar Schmidt, Thomas Mehner
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Patent number: 7933083Abstract: A diaphragm device with which individual wavelengths or ranges of wavelengths in the path of a beam of spectrally dispersed light can be suppressed. Such a diaphragm device comprises at least one array of diaphragms, wherein the individual diaphragms of the array are arranged in a definite relation to each other and may be coupled in the path of the beam and each diaphragm of the array in the coupled state is arranged in a given relation to an individual wavelength or a range of wavelengths.Type: GrantFiled: April 27, 2010Date of Patent: April 26, 2011Assignee: Carl Zeiss MicroImaging GmbHInventors: Jörg Steinert, Thomas Mehner, Volker Gerstner
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Publication number: 20110090561Abstract: In microscopes, particularly laser scanning microscopes, for detecting light coming from a sample, it is known to protect detectors from excessively high light outputs by means of shutters in the detection beam path. Further, in order to measure the light output impinging on the detector when the detection beam path is closed, a portion of the light is coupled out of the detection beam path and directed to a monitor diode. Constructions of this kind are complicated and costly. In the microscope according to the invention, a monitor diode is arranged on the shutter in such a way that the monitor diode is situated in the detection beam path when the shutter is closed. This makes it possible in a simple manner to measure the light output in a microscope when the detection beam path is closed even without additionally coupling light out of the detection beam path.Type: ApplicationFiled: October 15, 2010Publication date: April 21, 2011Inventors: Peter KUEHN, Dietmar Schmidt, Thomas Mehner
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Publication number: 20100259844Abstract: A diaphragm device with which individual wavelengths or ranges of wavelengths in the path of a beam of spectrally dispersed light can be suppressed. Such a diaphragm device comprises at least one array of diaphragms, wherein the individual diaphragms of the array are arranged in a definite relation to each other and may be coupled in the path of the beam and each diaphragm of the array in the coupled state is arranged in a given relation to an individual wavelength or a range of wavelengths.Type: ApplicationFiled: April 27, 2010Publication date: October 14, 2010Inventors: Jörg Steinert, Thomas MEHNER, Volker GERSTNER
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Patent number: 7706090Abstract: A diaphragm device with which individual wavelengths or ranges of wavelengths in the path of a beam of spectrally dispersed light can be suppressed. Such a diaphragm device comprises at least one array of diaphragms, wherein the individual diaphragms of the array are arranged in a definite relation to each other and may be coupled in the path of the beam and each diaphragm of the array in the coupled state is arranged in a given relation to an individual wavelength or a range of wavelengths.Type: GrantFiled: January 12, 2006Date of Patent: April 27, 2010Assignee: Carl Zeiss Microimaging GmbHInventors: Jörg Steinert, Thomas Mehner, Volker Gerstner
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Patent number: 7498561Abstract: An arrangement for the detection of the illumination radiation in a laser scanning microscope, wherein a portion of the illumination radiation is coupled out and detected at the main color splitter, wherein light transmitted through the main color splitter is advantageously detected and/or a portion of the illumination radiation is coupled out and detected before coupling into a light-conducting fiber and/or a portion of the illumination radiation is coupled out and detected at a beam splitter arranged downstream of a light-conducting fiber.Type: GrantFiled: July 17, 2006Date of Patent: March 3, 2009Assignee: Carl Zeiss MicroImaging GmbHInventors: Thomas Mehner, Stefan Wilhelm, Ulrich Meisel, Mirko Liedtke
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Publication number: 20070146900Abstract: A diaphragm device with which individual wavelengths or ranges of wavelengths in the path of a beam of spectrally dispersed light can be suppressed. Such a diaphragm device comprises at least one array of diaphragms, wherein the individual diaphragms of the array are arranged in a definite relation to each other and may be coupled in the path of the beam and each diaphragm of the array in the coupled state is arranged in a given relation to an individual wavelength or a range of wavelengths.Type: ApplicationFiled: January 12, 2006Publication date: June 28, 2007Inventors: Jorg Steinert, Thomas Mehner, Volker Gerstner
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Publication number: 20060255237Abstract: An arrangement for the detection of the illumination radiation in a laser scanning microscope, wherein a portion of the illumination radiation is coupled out and detected at the main color splitter, wherein light transmitted through the main color splitter is advantageously detected and/or a portion of the illumination radiation is coupled out and detected before coupling into a light-conducting fiber and/or a portion of the illumination radiation is coupled out and detected at a beam splitter arranged downstream of a light-conducting fiber.Type: ApplicationFiled: July 17, 2006Publication date: November 16, 2006Inventors: Thomas Mehner, Stefan Wilhelm, Ulrich Meisel, Mirko Liedtke
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Publication number: 20050072913Abstract: Laser scanning microscope with at least four separate input-coupling locations for wavelength ranges in the UV region, in the visible region and in the IR region, and advantageously with at least two individually displaceable collimators for achieving a maximum flexibility in the selection of dyes and evaluating methods, preferably for displaying cellular calcium and the associated receptors in living tissue over long periods of time (time lapse) with infrared lasers and UV lasers, wherein fluorescence detection and uncaging are applied, for releasing drugs (uncaging) and IR illumination with transmission detection, for the realization of applications with fluorescing proteins of the (G)FP family, including photoactivation of GFP and CFP/YFP-FRET, for the use of CY 5.5 dyes in the dark-red region (laser 675 nm) for tumor research.Type: ApplicationFiled: July 9, 2004Publication date: April 7, 2005Inventors: Ralph Lange, Thomas Mehner, Stefan Wilhelm, Ralf Wolleschensky, Ralf Engelmann
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Publication number: 20050035281Abstract: An arrangement for the detection of the illumination radiation in a laser scanning microscope, wherein a portion of the illumination radiation is coupled out and detected at the main color splitter, wherein light transmitted through the main color splitter is advantageously detected and/or a portion of the illumination radiation is coupled out and detected before coupling into a light-conducting fiber and/or a portion of the illumination radiation is coupled out and detected at a beam splitter arranged downstream of a light-conducting fiber.Type: ApplicationFiled: July 9, 2004Publication date: February 17, 2005Inventors: Thomas Mehner, Stefan Wilhelm, Ulrich Meisel, Mirko Liedtke
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Patent number: 5727185Abstract: A method for dynamic management of a free store of a computer system, the free store being subdivided into at least two logical store areas with different access characteristics. Each logical store area of the at least two logical stores is separately managed. A segment is assigned size to a logical store area of the free store, the segment size corresponding to a maximum size described as a maximum in a buddy algorithm. In the event of a store request regarding a first logical store area of the at least two logical store areas, a segment from the free store is assigned to the first logical store area if there is no store segment of sufficient size available. In the event of a store request regarding a second logical store area of the at least two logical store areas, a segment from the free store which has not been assigned to any other logical store area is assigned to the second logical store area and which is adjacent to already assigned segments if no store segment of sufficient size is available.Type: GrantFiled: February 6, 1997Date of Patent: March 10, 1998Assignee: Siemens AktiengesellschaftInventor: Thomas Mehner