Patents Assigned to ELOP Electro-Optics Industries Ltd.
-
Patent number: 7663791Abstract: A scanning system, including a main housing, and at least one optical wedge (12) rotatable about a shaft means (40) located within the main housing (26), wherein a laser beam having an optical axis and incident on the optical wedge (12), is refracted at least once by the wedge; characterized in that the shaft means (40) passes through the center of the at least one wedge (12) and that the optical axis of the incident laser beam is substantially parallel to, but laterally offset from, the shaft means (40).Type: GrantFiled: May 6, 2004Date of Patent: February 16, 2010Assignee: ELOP Electro-Optics Industries Ltd.Inventors: Vladimir Krupkin, Naftaly Shcheranski, Boaz Lubashitz
-
Patent number: 7507683Abstract: A glass-ceramic material, particularly for elements in laser systems, and a method for preparing same. The glass-ceramic material may be used for an optical fiber for communication systems and laser systems. The glass-ceramic may include gahnite crystals and optionally ?-quartz-like solid solution, or a petalite-like crystals, spinel, and zirconia crystals. The elements may comprise a host material glass-ceramic, where the glass-ceramic is doped with appropriate ions.Type: GrantFiled: September 21, 2007Date of Patent: March 24, 2009Assignee: Elop Electro-Optics Industries Ltd.Inventors: Marina Sirota, Ehud Galun, Adrian Goldshtein, Alla Buch, Vladimir Krupkin, Rami Cohen, Alexander Glushko, Elena Luria
-
Patent number: 7476999Abstract: Device (100) for producing torque, the device including an armature (102) made of a printed circuit board, at least one winding (124) formed on the armature in a substantially rectangular spiral path, at least one magnetic field inducer (108) and a counteractive-torque producing element (116) coupled with the armature, the armature being rotatable about a rotation axis, each of the magnetic field inducers being located in the vicinity of a respective corner of the substantially rectangular spiral path, each of the magnetic field inducers producing a magnetic field along a magnetic axis in a selected direction, the selected direction being opposite to another selected direction respective of an adjacent magnetic field inducer, each of the magnetic axes being substantially normal to the substantially rectangular spiral path, the windings and the magnetic field inducers applying the torque on the armature, when electric power is applied to the windings, the torque being at a torque level respective of a selectedType: GrantFiled: December 18, 2003Date of Patent: January 13, 2009Assignee: Elop Electro-Optics Industries Ltd.Inventor: Igor Friedland
-
Patent number: 7466727Abstract: A passive Q-switch for a laser system, and a method for its production. The laser is operative at near infrared wavelength region, including the eye-safe region. The Q-switch includes a saturable absorber based on IV-VI semiconductor nanocrystals (NCs), embedded in a polymer matrix. The NCs preferably include lead selenide, lead sulfide, or lead selenide sulfide. The NCs may be surface passivated, and may feature a PbSe/PbS core-shell configuration.Type: GrantFiled: October 16, 2006Date of Patent: December 16, 2008Assignees: ELOP Electro-Optics Industries Ltd., Technion Research and Development Foundation Ltd.Inventors: Ehud Galun, Efrat Lifshitz, Marina Sirota, Vladimir Krupkin, Aldona Sashchiuk
-
Patent number: 7461539Abstract: A humidity sensor and a quartz crystal microbalance (QCM) therefor, for measuring low humidity levels, and a method for preparing same. The metallic surface of the QCM is electroplated with a hygroscopic layer. The hygroscopic layer preferably includes Manganese. A salt is formed on the hygroscopic layer. The salt is preferably salt of Manganese, and most preferably Manganese Chloride (MnCl2).Type: GrantFiled: May 17, 2004Date of Patent: December 9, 2008Assignees: Elop Electro-Optics Industries Ltd., Ramot at Tel Aviv University Ltd.Inventors: Ehud Galun, Galit Zilberman, Vladimir Tsionsky, Eliezer Gileadi
-
Publication number: 20080207425Abstract: A glass-ceramic material, particularly for elements in laser systems, and a method for preparing same. The glass-ceramic material may be used for an optical fiber for communication systems and laser systems. The glass-ceramic may include gahnite crystals and optionally ?-quartz-like solid solution, or a petalite-like crystals, spinel, and zirconia crystals. The elements may comprise a host material glass-ceramic, where the glass-ceramic is doped with appropriate ions.Type: ApplicationFiled: September 21, 2007Publication date: August 28, 2008Applicant: ELOP ELECTRO-OPTICS INDUSTRIES LTD.Inventors: Marina Sirota, Ehud Galun, Adrian Goldshtein, Alla Buch, Vladimir Krupkin, Rami Cohen, Alexander Glushko, Elena Luria
-
Patent number: 7411637Abstract: Device for transmitting light at variable intensity, the device including a front variable polarizer, polarizing incoming light at a first selected polarization level, in a first direction and a rear variable polarizer, optically coupled with the front variable polarizer, polarizing light exiting the front variable polarizer at a second selected polarization level, in a second direction, wherein the first selected polarization level and the second selected polarization level are substantially zero, when no substantial electric power is applied respectively, to the front variable polarizer and the rear variable polarizer.Type: GrantFiled: August 13, 2004Date of Patent: August 12, 2008Assignee: Elop Electro-Optics Industries Ltd.Inventor: Victor Weiss
-
Patent number: 7339730Abstract: There is provided a head-up display (HUD) tray harmonization assembly, including a mount alignment jig (MAJ) having a first end and a second end, the first end being connectable to an adjustable tray affixed in an aircraft front cabin at spaced-apart relationship to a front window having a lower edge located adjacent the front end of the aircraft, a telescope connected to the MAJ at, or adjacent, its second end oriented for viewing through the window, a collimator holder having a first portion connectable to the outside wall of the front edge of the aircraft and a second portion extending towards and terminating at least at the lower edge of the window, and a collimator coupled to the second portion of the holder to form a line of sight with said telescope. A method for HUD tray harmonization is also provided.Type: GrantFiled: January 17, 2006Date of Patent: March 4, 2008Assignee: Elop Electro-Optics Industries Ltd.Inventors: Michael Brodsky, Jacob Yosha
-
Patent number: 7316986Abstract: A glass-ceramic material, particularly for elements in laser systems, and a method for preparing same. The glass-ceramic material may be used for an optical fiber for communication systems and laser systems. The glass-ceramic may include gahnite crystals and optionally ?-quartz-like solid solution, or a petalite-like crystals, spinel, and zirconia crystals. The elements may comprise a host material glass-ceramic, where the glass-ceramic is doped with appropriate ions.Type: GrantFiled: May 25, 2005Date of Patent: January 8, 2008Assignee: Elop Electro-Optics Industries Ltd.Inventors: Marina Sirota, Ehud Galun, Adrian Goldshtein, Alla Buch, Vladimir Krupkin, Rami Cohen, Alexander Glushko, Elena Luria
-
Publication number: 20060260385Abstract: A humidity sensor and a quartz crystal microbalance (QCM) therefor, for measuring low humidity levels, and a method for preparing same. The metallic surface of the QCM is electroplated with a hygroscopic layer. The hygroscopic layer preferably includes Manganese. A salt is formed on the hygroscopic layer. The salt is preferably salt of Manganese, and most preferably Manganese Chloride (MnCl2).Type: ApplicationFiled: May 17, 2004Publication date: November 23, 2006Applicants: ELOP ELECTRO-OPTICS INDUSTRIES LTD, RAMOT AT TEL AVIV UNIVERSITY LTDInventors: Ehud Galun, Galit Zilberman, Vladimir Tsionsky, Eliezer Gileadi
-
Publication number: 20060181481Abstract: There is provided a head-up display (HUD) tray harmonization assembly, including a mount alignment jig (MAJ) having a first end and a second end, the first end being connectable to an adjustable tray affixed in an aircraft front cabin at spaced-apart relationship to a front window having a lower edge located adjacent the front end of the aircraft, a telescope connected to the MAJ at, or adjacent, its second end oriented for viewing through the window, a collimator holder having a first portion connectable to the outside wall of the front edge of the aircraft and a second portion extending towards and terminating at least at the lower edge of the window, and a collimator coupled to the second portion of the holder to form a line of sight with said telescope. A method for HUD tray harmonization is also provided.Type: ApplicationFiled: January 17, 2006Publication date: August 17, 2006Applicant: ELOP ELECTRO-OPTICS INDUSTRIES LTD.Inventors: Michael Brodsky, Jacob Yosha
-
Publication number: 20060009342Abstract: A glass-ceramic material, particularly for elements in laser systems, and a method for preparing same. The glass-ceramic material may be used for an optical fiber for communication systems and laser systems. The glass-ceramic may include gahnite crystals and optionally ?-quartz-like solid solution, or a petalite-like crystals, spinel, and zirconia crystals. The elements may comprise a host material glass-ceramic, where the glass-ceramic is doped with appropriate ions.Type: ApplicationFiled: May 25, 2005Publication date: January 12, 2006Applicant: ELOP ELECTRO-OPTICS INDUSTRIES LTD.Inventors: Marina Sirota, Ehud Galun, Adrian Goldshtein, Alla Buch, Vladimir Krupkin, Rami Cohen, Alexander Glushko, Elena Luria
-
Publication number: 20050281508Abstract: Light amplifier including an active optical fiber, arranged such that a plurality of fiber sections thereof are aligned and closely packed along a substantially flat plane, thereby defining a light pumping region, and a light introducer having an entry surface and a substantially flat exit surface, the substantially flat exit surface being coupled with the light pumping region, wherein the light enters the active fiber at the light pumping region, through the light introducer, and wherein the device amplifies the light by exciting the active constituents of the active optical fiber.Type: ApplicationFiled: November 3, 2004Publication date: December 22, 2005Applicant: ELOP ELECTRO-OPTICS INDUSTRIES LTD.Inventors: Vladimir Krupkin, Ehud Shafir
-
Publication number: 20050057701Abstract: Device for transmitting light at variable intensity, the device including a front variable polarizer, polarizing incoming light at a first selected polarization level, in a first direction and a rear variable polarizer, optically coupled with the front variable polarizer, polarizing light exiting the front variable polarizer at a second selected polarization level, in a second direction, wherein the first selected polarization level and the second selected polarization level are substantially zero, when no substantial electric power is applied respectively, to the front variable polarizer and the rear variable polarizer.Type: ApplicationFiled: August 13, 2004Publication date: March 17, 2005Applicant: ELOP ELECTRO-OPTICS INDUSTRIES LTD.Inventor: Victor Weiss
-
Patent number: 6762801Abstract: The invention provides a system for varying the transmittance of light through selected portions of a media on which images are displayed, the system including an image display panel, an image display source for projecting images on the media, LC-based, variable transmittance optical (VTO) media, a light sensor for measuring ambient light, and a signal generator connected to the VTO media for applying voltage to portions of the media at levels determined and controlled by the sensor, whereby the transmittance of light through the portions of the media is varied in accordance with the prevailing ambient light. A method is also provided.Type: GrantFiled: May 18, 2001Date of Patent: July 13, 2004Assignee: ELOP Electro-Optics Industries Ltd.Inventors: Victor Weiss, Uzi Orion
-
Patent number: 6721023Abstract: The invention provides a multi-layered imaging device for three-dimensional image display, including a plurality of two-dimensional layers superposed in the third dimension, each of the layers having two major surfaces and at least one peripheral edge, the layers being made of a material selected from the group of non-conventional, polarizer-free liquid crystal materials including polymer-dispersed liquid crystals (PDLC) and derivatives and combinations thereof, wherein the exposure of at least one of the layers to illumination allows the transmission of light with minimal losses, facilitating utilization of a maximal number of layers for imaging a three-dimensional display.Type: GrantFiled: October 13, 2000Date of Patent: April 13, 2004Assignee: ELOP Electro-Optics Industries Ltd.Inventors: Victor Weiss, Hanan Rumbak
-
Patent number: 6580529Abstract: The invention provides a holographic optical device, including a light-transmissive substrate; a first holographic optical element carried by the substrate; at least one second holographic optical element carried by the substrate laterally of the first holographic optical element, and at least one third holographic optical element carried by the substrate laterally displaced from the first and second holographic optical elements; wherein the center of at least one of the first, second or third holographic optical elements is located outside a single, straight line.Type: GrantFiled: December 15, 2000Date of Patent: June 17, 2003Assignees: Elop Electro -Optics Industries Ltd., Yeda Research and Development Co. Ltd.Inventors: Yaakov Amitai, Asher Friesem
-
Patent number: 6429423Abstract: The invention provides a device for linear scanning, including at least one reflecting element whereby an incident beam of light undergoes at least two reflections; at least one optical system comprising an objective capable of forming an image of an object, the objective, depending on the respective direction of the light beam, defining a pre-objective scanning space and a post-objective scanning space; a mounting structure for the at least one reflecting element; drive means for causing the mounting structure to perform a movement; and a light-detecting element for detecting the incident beam of light, or an element for producing light, wherein, with light-detecting, scanning takes place in the post-objective space, and with light-producing, scanning takes place in the pre-objective space.Type: GrantFiled: April 19, 2000Date of Patent: August 6, 2002Assignee: ELOP Electro-Optics Industries Ltd.Inventors: Igor Friedland, Mark Shechterman
-
Publication number: 20020020806Abstract: The invention provides a method for multi-pixel imaging of a scene, using a single detector associated with a time-delay arrangement, the method including the steps of producing an image of at least part of a remote scene in a defined image plane; receiving the scene as imaged on the image plane and conveying it image pixel by image pixel through a plurality of light-conveying means to a single detector while introducing a time-delay, whereby the image pixels arrive at the single detector in a sequential order, and using an electronic logic to reconstruct the image from the time-delayed image pixels received by the detector. The invention also provides a system for implementing the described method.Type: ApplicationFiled: May 9, 2001Publication date: February 21, 2002Applicant: ELOP Electro-Optics Industries Ltd.Inventor: Lucien Almi
-
Publication number: 20020008708Abstract: The invention provides a system for varying the transmittance of light through selected portions of a media on which images are displayed, the system including an image display panel, an image display source for projecting images on the media, LC-based, variable transmittance optical (VTO) media, a light sensor for measuring ambient light, and a signal generator connected to the VTO media for applying voltage to portions of the media at levels determined and controlled by the sensor, whereby the transmittance of light through the portions of the media is varied in accordance with the prevailing ambient light. A method is also provided.Type: ApplicationFiled: May 18, 2001Publication date: January 24, 2002Applicant: ELOP Electro-Optics Industries Ltd.Inventors: Victor Weiss, Uzi Orion