Patents Assigned to Leica Microsystems (Schweiz) AG
  • Patent number: 11719920
    Abstract: Provided are an imaging unit 104 that uses a light emitted from a second beam splitter 202 of a microscope 2 that can use an exciting light and an observation light, which is a light including a wavelength other than that of the exciting light, as a light source by switching there between and is provided with the second beam splitter 202 to image images of the same observation region of the microscope 2 in situations where the exciting light and the observation light are used as the light source and an output unit 106 that overlaps, synthesizes, and outputs the images imaged by the imaging unit 104 respectively using the exciting light and the observation light as the light source.
    Type: Grant
    Filed: November 5, 2020
    Date of Patent: August 8, 2023
    Assignee: Leica Microsystems (Schweiz) AG
    Inventors: Kyosuke Kamada, Yukie Tamura, Fumiya Takeuchi
  • Patent number: 10928618
    Abstract: A microscope (10) is described, comprising an autofocus system (11) for executing a focusing procedure, having a first image sensor (14a), arranged in a first outcoupled beam path (12a), for acquiring a first image (16a); and a second image sensor (14b), arranged in a second outcoupled beam path (12b), for acquiring a second image (16b). The autofocus system (11) is embodied in such a way that the focusing procedure is executable on the basis of at least a first operating mode and a second operating mode.
    Type: Grant
    Filed: July 15, 2015
    Date of Patent: February 23, 2021
    Assignee: Leica Microsystems (Schweiz) AG
    Inventors: Harald Schnitzler, Reto Zuest, Marc Honegger
  • Patent number: 10928619
    Abstract: A microscope (10) is described, having an autofocus system (11) for executing a focusing procedure, having a first image sensor (14a), arranged in a first outcoupled beam path (12a), for acquiring a first image (16a); and a second image sensor (14b), arranged in a second outcoupled beam path (12b), for acquiring a second image (16b). The autofocus system (11) is embodied to adjust a relative location of the focal plane (20) with respect to the object plane (22), at a focus displacement speed, during the image acquisition time for acquisition of the first image (16a) acquired by the first image sensor (14a) and of the second image (16b) acquired by the second image sensor (14b), the focus displacement speed being equal to the ratio of an increment to the image acquisition time, and the increment being larger than the depth of focus of the microscope (10).
    Type: Grant
    Filed: July 15, 2015
    Date of Patent: February 23, 2021
    Assignee: Leica Microsystems (Schweiz) AG
    Inventors: Marc Honegger, Harald Schnitzler, Reto Zuest
  • Patent number: 10877258
    Abstract: A microscope (10) is described, having an autofocus system (11) for executing a focusing procedure, having a first image sensor (14a), arranged in a first outcoupled beam path (12a), for acquiring a first image (16a); and a second image sensor (14b), arranged in a second outcoupled beam path (12b), for acquiring a second image (16b). The autofocus system (11) is embodied to ascertain a contrast difference based on contrast values of the first image (16a) acquired by the first image sensor (14a) and of the second image (16b) acquired by the second image sensor (14b), and to set a relative location of the focal plane (20) with respect to the object plane (22) based on the ascertained contrast difference, the first and the second image (16a, 16b) each encompassing image information furnished by the first and the second image sensor (14a, 14b) each embodied as an area sensor.
    Type: Grant
    Filed: July 15, 2015
    Date of Patent: December 29, 2020
    Assignee: Leica Microsystems (Schweiz) AG
    Inventors: Marc Honegger, Harald Schnitzler, Reto Zuest
  • Patent number: 10591711
    Abstract: A microscope (10) for obtaining a high dynamic range synthesized image (21) of an object (12) from a plurality of low dynamic range input images (19) comprises a controller (14), an incoherent light source (16) for illuminating the object (12) at different light intensity levels, and a recording device (18) for recording the plurality of low dynamic range input images (19), wherein each of the low dynamic range input images (19) is recorded at a different light intensity level. The controller (14) is configured to control the recording device (18) such that during recording of the series of the low dynamic range images the recording parameters for obtaining the plurality of low dynamic range input images (19) are kept constant.
    Type: Grant
    Filed: October 6, 2014
    Date of Patent: March 17, 2020
    Assignees: Leica Microsystems (Schweiz) AG, Leica Instruments (Singapore) Pte Ltd
    Inventors: Zheng-Dong Zeng, Qing-Song Zou, Urs Schmid
  • Patent number: 10310212
    Abstract: The invention relates to a surgical microscope stand (100) encompassing: a first carriage (16) that is arranged on a first carrier arm (14) and is drivable by a first drive unit; and a second carriage (18) that is arranged on a second carrier arm (22) and is drivable by a second drive unit. The surgical microscope stand (100) further encompasses an operating region (34) within which at least one operating unit for manual application of control to the first and second drive units is provided.
    Type: Grant
    Filed: March 19, 2015
    Date of Patent: June 4, 2019
    Assignee: Leica Microsystems (Schweiz) AG
    Inventor: Marco Schutz
  • Patent number: 10234671
    Abstract: The invention relates to a microscope (10) that encompasses an objective system (30) and a zoom system (32). The microscope furthermore has a diaphragm (60) for limiting the aperture of the beam path. A control unit (64) is furthermore provided, that control unit (64) automatically ascertaining, as a function of the current manifestation of at least one parameter of the microscope (10), a respective setting of the diaphragm (60) predetermined for the current manifestation, and setting the diaphragm (60) accordingly.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: March 19, 2019
    Assignee: Leica Microsystems (Schweiz) AG
    Inventors: Harald Schnitzler, Georg Schlaffer
  • Patent number: 10185136
    Abstract: The invention relates to a eucentric digital microscope (10) that encompasses a stationary stand body (12) and a pivot unit (14) mounted pivotably on the stand body (12), the pivot unit (14) being mounted rotatably around a rotation axis (26) extending in a Y direction. The pivot unit (14) encompasses at least an optical system having an optical axis (15) extending orthogonally to the rotation axis (26), and a focal plane (92), the pivot unit (14) being arranged nondisplaceably at least in an X direction and in a Z direction relative to the rotation axis (26).
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: January 22, 2019
    Assignee: Leica Microsystems (Schweiz) AG
    Inventors: Christian Marte, Harald Schnitzler, Reto Zuest
  • Patent number: 10146039
    Abstract: A method (200) is proposed for furnishing a digital resulting image, using a microscope system (1) that comprises means (R, L, 41) for furnishing microscopic images at different numerical apertures as well as a digital image capture unit (50). The method encompasses: capturing by means of the digital image capture unit (50), in the form of digital individual images, at least two microscopic images at different numerical apertures; and comparing respective mutually corresponding image regions of the digital individual images to one another in terms of their image sharpness, the image regions of the digital individual images having the greatest image sharpness being in each case combined to yield the digital resulting image.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: December 4, 2018
    Assignee: Leica Microsystems (Schweiz) AG
    Inventor: Harald Schnitzler
  • Patent number: 10146037
    Abstract: A microscope (10) for detecting images of an object (14) located in an object plane (12) is described, comprising a microscope stand (18); a microscope objective (20); a light source (22) integrated into the microscope stand (18); and a beam splitter (24), integrated into the microscope objective (20), for coupling in a coaxial incident illumination.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: December 4, 2018
    Assignee: Leica Microsystems (Schweiz) AG
    Inventors: Harald Schnitzler, Robert Paulus
  • Patent number: 10146040
    Abstract: A microscope (10) is described, having an aperture limiter (12), arranged in the beam path (22), for generating at least one optical channel (16; 18; 20). The aperture limiter (12) is embodied to set the aperture of the at least one optical channel (16; 18; 20). The aperture limiter (12) is furthermore embodied in such a way that in a first operating mode a first optical channel, and in a second operating mode at least one second optical channel, is selectively generable. The aperture limiter is also arranged in the pupil plane of the beam path.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: December 4, 2018
    Assignee: Leica Microsystems (Schweiz) AG
    Inventors: Harald Schnitzler, Reto Zuest
  • Patent number: 10018820
    Abstract: A digital microscope has a stationary stand body (12) and a pivot unit (14) pivotably mounted on the stand body (12). The pivot unit (14) includes an image sensing unit for acquiring images of objects. The microscope has a brake unit (22) for braking and/or immobilizing the pivot unit (14), and an actuation element (44) for releasing the brake unit (22). The pivot unit (14) includes a first connecting element (60) and the stand body (12) has a second connecting element (62). The first and second connecting elements (60, 62) are coupled to one another when the pivot unit (14) is in a predetermined zero position and the actuation element (44) is in an unactuated default position. The connecting elements (60, 62) are moreover coupled to one another when the pivot unit (14) is in the zero position and the actuation element (44) is actuated within a predetermined actuation range.
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: July 10, 2018
    Assignee: Leica Microsystems (Schweiz) AG
    Inventor: Christian Marte
  • Patent number: 10018821
    Abstract: A digital microscope includes a stationary stand body (12) and a pivot unit (14) mounted on a shaft (24) of the stand body (12), pivotably about a longitudinal axis (26) of the shaft (24). The pivot unit (14) has an image sensing unit for acquiring images of objects to be examined microscopically. Microscope (10) furthermore has a brake unit (22) for braking and/or immobilizing the pivot unit (14), the brake unit (22) including at least one brake element (32 to 38) biased by an elastic element (40) into a braked position. Microscope (10) includes an actuation element (44) for releasing the brake unit (22), the brake element (32 to 38) being movable by manual actuation of the actuation element (44), against return force of the elastic element (40), from the braked position into a released position, and the actuation element (44) being coupled to the brake element (32 to 38).
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: July 10, 2018
    Assignee: Leica Microsystems (Schweiz) AG
    Inventor: Christian Marte
  • Patent number: 10015451
    Abstract: A digital microscope includes a stationary stand body (12) and a pivot unit (14) that is mounted on a shaft (24) of the stand body (12), pivotably around the longitudinal axis (26) of the shaft (24). The pivot unit (14) includes an image sensing unit for acquiring images of objects to be examined microscopically. The microscope (10) further has a brake unit (22) for braking and/or immobilizing the pivot unit (14), and an actuation element (44) for releasing the brake unit (22). Also provided is an elastic element (82) that, upon pivoting of the pivot unit (14) out of a predetermined zero position, exerts a return moment (MR) on the pivot unit (14), the return moment (MR) being directed against a tangential moment (MT) brought about by the weight (G) of the pivot unit (14).
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: July 3, 2018
    Assignee: Leica Microsystems (Schweiz) AG
    Inventor: Christian Marte
  • Publication number: 20170307866
    Abstract: The invention relates to a microscope (10) having a movable stage (18) and an adjusting unit (24) for moving the stage (18). The adjusting unit (24) comprises a drive shaft (38) by the rotation of which the distance between the stage (18) and a base (22) of the microscope (10) is adjustable. Further, the microscope (10) has a manually operable operating unit (26) with a first output shaft (46) as well as an electric drive unit (28) for the motorized movement of the stage (18) with a second output shaft (52). In a manual operating mode, the drive shaft (38) is coupled to the first output shaft (46) via a first coupling unit (54), and in a motorized operating mode the drive shaft (38) is coupled to the second output shaft (52) via a second coupling unit (56).
    Type: Application
    Filed: October 6, 2014
    Publication date: October 26, 2017
    Applicants: LEICA INSTRUMENTS (SINGAPORE) PTE LTD, LEICA MICROSYSTEMS (SCHWEIZ) AG
    Inventor: Seng Ho SEE
  • Patent number: D811460
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: February 27, 2018
    Assignee: Leica Microsystems (Schweiz) AG
    Inventor: Christophe Apothéloz
  • Patent number: D812664
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: March 13, 2018
    Assignee: Leica Microsystems (Schweiz) AG
    Inventor: Christophe Apothéloz
  • Patent number: D826304
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: August 21, 2018
    Assignee: Leica Microsystems (Schweiz) AG
    Inventor: Christophe Apothéloz
  • Patent number: D865832
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: November 5, 2019
    Assignee: Leica Microsystems (Schweiz) AG
    Inventor: Christophe Apothéloz
  • Patent number: D895710
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: September 8, 2020
    Assignee: Leica Microsystems (Schweiz) AG
    Inventor: Christophe Apothéloz