Patents by Inventor Amir Ben-Shalom
Amir Ben-Shalom 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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Publication number: 20100073177Abstract: A power outlet locator for locating concealed inductive power outlet. A sensor is provided for detecting a signal emitted by an inductive power outlet. A processor uses the detected signal to compute location coordinates of the power outlet. A user interface is provided to communicate the location of the power outlet to a user.Type: ApplicationFiled: September 21, 2009Publication date: March 25, 2010Applicant: POWERMAT LTDInventors: Yossi Azancot, Amir Ben-Shalom, Oola Greenwald, Arik Rofe
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Publication number: 20100072825Abstract: A signal transfer system for controlling power transfer across an inductive power coupling. A transmission circuit associated with an inductive power receiver is configured to transmit a control signal to a reception circuit associated with an inductive power outlet. The transmission circuit includes an ancillary load and a switching unit for modulating power drawn by a secondary inductive coil according to the control signal. The reception circuit is configured to monitor power provided to a primary inductive coil thereby detecting the modulated control signal. The signal transfer system may be used to regulate the power supplied by the inductive coupling and to detect the presence of the secondary coil.Type: ApplicationFiled: September 21, 2009Publication date: March 25, 2010Applicant: POWERMAT LTDInventors: Yossi Azancot, Amir Ben-Shalom, Oola Greenwald, Arik Rofe
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Publication number: 20100066176Abstract: Non-resonant inductive power transmission wherein the driving voltage across a primary inductor oscillates at a frequency significantly different from the resonant frequency of the inductive coupling system. Embodiments of the invention include systems and methods for: power regulation using frequency control, fault detection using voltage peak detectors and inductive communication channels.Type: ApplicationFiled: July 2, 2009Publication date: March 18, 2010Applicant: POWERMAT LTD.,Inventors: Yossi AZANCOT, Amir BEN-SHALOM, Oola GREENWALD, Arik ROFE, Alfred LEIBOVITZ, Moti ASHERY
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Publication number: 20100070219Abstract: An efficiency monitor for monitoring the efficiency of power transmission by an inductive power outlet. The efficiency monitor includes an input power monitor, for measuring the input power delivered to the primary coil, and an output power monitor, for measuring the output power received by the secondary coil. The input and output powers are used by a processor to determine an index of power-loss. A circuit breaker may be used to disconnect the inductive power outlet in case of excessive power loss.Type: ApplicationFiled: September 21, 2009Publication date: March 18, 2010Applicant: POWERMAT LTDInventors: Yossi Azancot, Amir Ben-Shalom, Oola Greenwald, Arik Rofe
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Publication number: 20090303259Abstract: A cholesteric liquid crystal display device (24) comprises three stacked cells (10R, 10G, 10B), each comprising a layer of cholesteric liquid crystal material (19) and an electrode arrangement (13, 14) capable of providing independent driving of a plurality of pixels across the layer of cholesteric liquid crystal material by respective drive signals. The display device has a drive circuit (22) arranged to apply respective drive signals to each pixel in successive cycles of predetermined duration. When providing a high reflectance, the drive signal comprises makes use of drive pulses (50) shaped to drive the pixel into the homeotropic state. When providing a low reflectance, the drive signal includes a number of perturbation pulses (61) which are sufficiently short and sufficiently spaced from each other that the pixel is driven into a transient state having a lower reflectance than the planar state.Type: ApplicationFiled: June 19, 2006Publication date: December 10, 2009Inventors: Amir Ben Shalom, Ilan Feldman, Lahav Langboim, Christopher John Hughes
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Publication number: 20090174643Abstract: A display apparatus comprises a cholesteric liquid crystal display device having cells comprising a layer of cholesteric liquid crystal material and an electrode arrangement capable of providing independent driving of a plurality of pixels across the layer of cholesteric liquid crystal material. A drive circuit generates drive signals supplied to the pixels to drive them into states reflectances in accordance with an image signal. The drive signals may have a waveform shaped to drive the respective pixels into the homeotropic state and the planar state alternately within successive drive periods for respective periods of time which are varied to provide an average reflectance as perceived by a viewer in accordance with the image signal. A light source illuminates the display device and is supplied with power by a power circuit.Type: ApplicationFiled: May 18, 2007Publication date: July 9, 2009Inventors: Amir Ben Shalom, Christopher John Hughes
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Publication number: 20090161034Abstract: In a cholesteric liquid crystal display device (24), to drive a surface-stabilized layer of cholesteric liquid crystal material into the focal conic state, there is applied drive signal comprising a series of pulses (30, 34, 35, 36, 37, 38, 41). At least one initial pulse has sufficient energy to drive the layer of cholesteric liquid crystal material into the homeotropic state and the subsequent pulses have time-averaged energies which reduce to a minimum level at which the layer of cholesteric liquid crystal material is driven into the focal conic state. This produces a focal conic state of particularly low reflectance, which allows a high contrast ratio to be achieved.Type: ApplicationFiled: June 14, 2005Publication date: June 25, 2009Inventors: David Coates, Amir Ben Shalom, Shlomit Angel-Devir, Christopher John Hughes
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Patent number: 7551245Abstract: A tiling of multiple display panels having reduced seam widths (gap) therebetween using a plurality of single edge connect display panels, wherein for each display panel: interconnect lines in the lateral direction are formed on a front plate; input portions of the interconnect lines are routed on an area where a sealing portion is formed and are extended outwardly from the bottom edge of the display panel; the area where the sealing portion is formed is a non-display area of the display panel on the front plate that is bonded to a rear plate with a seal material; and the input portions routed the bottom side of the front plate are extended outwardly from the bottom edge of the rear plate. The input portions are formed in part on the rear plate and electrical connection is established by bonding the front plate and the rear plate via through holes.Type: GrantFiled: November 26, 2003Date of Patent: June 23, 2009Assignees: Magink Display Technologies Ltd., Mitsubishi Denki Kabushiki KaishaInventors: Amir Ben-Shalom, Noritaka Egami, Zenichirou Hara
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Publication number: 20080272316Abstract: A low maintenance path tracing apparatus comprising at least one marker including an emitter of a tracer signal and a receiving medium for recording the path of the tracer signal. The apparatus further includes a power providing arrangement comprising a base unit which wirelessly provides power to the marker for powering the emitter.Type: ApplicationFiled: May 2, 2008Publication date: November 6, 2008Inventors: Amir Ben Shalom, Oola Greenwald, Michael Morris, Arik Rofe
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Publication number: 20080165097Abstract: A liquid crystal display device includes at least one cell which provides a rectangular array of addressable pixels having an average area of at least 4 mm2. The cell comprises: two substrates (11, 12) defining therebetween a cavity; a layer of liquid crystal material in the cavity; and a respective conductive layer (13, 14) formed on each of the substrates (11, 12). The conductive layers (13, 14) are patterned to provide a rectangular array of separate drive electrodes (51) each capable of driving an area of the layer of liquid crystal material adjacent the respective drive electrode as one of said pixels. The conductive layers (13, 14) also provide a separate track (33) connected to each of the separate drive electrodes (51) and extending to a position outside the array of addressable pixels where the tracks (33) form terminals (34) each capable of receiving a respective drive signal. This allows direct addressing of the pixels.Type: ApplicationFiled: November 7, 2005Publication date: July 10, 2008Inventors: David Coates, Amir Ben Shalom, Shlomir Engle Dvir
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Publication number: 20080042959Abstract: A cholesteric liquid crystal display device comprises three cells each comprising a layer of cholesteric liquid crystal material and an electrode arrangement capable of providing independent driving of a plurality of pixels across the layer of cholesteric liquid crystal material by respective drive signals. A drive circuit applies a respective drive signal to each pixel to drive the pixel into states which are variable to provide a reflectance varying within a predetermined range of reflectances. The drive signals involve a combination of two drive schemes to provide reflectances in different portions of the range.Type: ApplicationFiled: May 10, 2007Publication date: February 21, 2008Inventors: Amir Ben-Shalom, Lahav Langboim, Ilan Feldman, David Coates
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Publication number: 20070177880Abstract: A data communication system comprising a transceiver unit for retromodulated optical communication with at least one of a plurality of retromodulator units, the transceiver unit comprising at least one of a plurality of transceivers, the transceivers transmitting diffused radiant energy at different angles covering a predetermined three-dimensional area, wherein each transceiver is enabled to set up and execute communication with at least one retromodulator unit located within its coverage area. Furthermore, a retromodulator comprising multiple arrays of lenslets or spherically arranged lenslets is provided for achieving a wide angle of acceptance. Further more a number of novel applications based on the data communication system are provided, including a remote wireless network connection for a portable computing device, a smart card for remote wireless identification, remote data collection, and remote downloading of digital photographs.Type: ApplicationFiled: March 15, 2005Publication date: August 2, 2007Inventors: Nir Karasikov, Michael Slatkin, Amir Ben-Shalom, David Tamir
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Publication number: 20060182898Abstract: A display apparatus includes a cholesteric liquid crystal display device comprising a layer of cholesteric liquid crystal material contained between two substrates, each substrate carrying an electrode layer so that the layer of cholesteric liquid crystal material is interposed between the electrode layers. A piezoelectric element is electrically connected to the electrode layers of the cholesteric liquid crystal display device. The piezoelectric element is capable of being manually activated to generate a drive signal which is sufficient to switch the layer of cholesteric liquid crystal material from the planar state to the focal conic state. The substrates are arranged to allow the layer of cholesteric liquid crystal material to be sheared to switch the layer of cholesteric liquid crystal material from the focal conic state to the planar state by manual compression of the cholesteric liquid crystal display device. Thus the display device can be switched without the need for a battery or other power source.Type: ApplicationFiled: January 20, 2006Publication date: August 17, 2006Inventors: Amir Ben-Shalom, David Coates
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Publication number: 20060097957Abstract: A tiling of multiple display panels having reduced seam widths (gap) therebetween using a plurality of single edge connect display panels, wherein for each display panel: interconnect lines in the lateral direction are formed on a front plate; input portions of the interconnect lines are routed on an area where a sealing portion is formed and are extended outwardly from the bottom edge of the display panel; the area where the sealing portion is formed is a non-display area of the display panel on the front plate that is bonded to a rear plate with a seal material; and the input portions routed the bottom side of the front plate are extended outwardly from the bottom edge of the rear plate. The input portions are formed in part on the rear plate and electrical connection is established by bonding the front plate and the rear plate via through holes.Type: ApplicationFiled: November 26, 2003Publication date: May 11, 2006Inventor: Amir Ben-Shalom
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Publication number: 20060007090Abstract: A distinct color LCD apparatus including at least two layers of respectively disparate encapsulated liquid crystal materials; Structural means for maintaining said layers proximate to each other and in a substantially parallel orientation; Electrically conductive means for addressing at least one substantially parallel address across the encapsulated liquid crystal material in each of the respective layers; and Coordinated with said means for addressing, an electrical pulse driving means (I) wherein a state is selected from the list Homeouopre and planar and (U) whereby said state is communicated to a predetermined address between one of said parallel layers.Type: ApplicationFiled: September 30, 2003Publication date: January 12, 2006Inventors: Amir Ben-Shalom, David Coates
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Patent number: 6963386Abstract: A front-lit display panel comprising: at least one pixel units, each having a layered structure including transparent conductor, an active layer containing liquid-crystal-type molecules, and a rear conductive layer, electrical connectors in electrical contact with the rear conductive layer and extending to the rear portion of the pixel unit; and a plurality of electronics module for respectively receiving each pixel unit, each having a conformal interconnection facilities with the at least two contacts adapted for making electrical contact with the electrical connectors, and interfacing with at least one data communications line and at least one electric power line; and an assembly board for receiving the at least one second conformal interconnection facilities, each receiving position having at least two contacts respectively adapted for making electrical contact with the data communications line and with electric power line of one of the electronics modules.Type: GrantFiled: September 18, 2003Date of Patent: November 8, 2005Assignee: Magink Display Technologies, Ltd.Inventors: Ran Poliakine, Amir Ben-Shalom
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Publication number: 20040227449Abstract: A Psychophysical Perception Enhancement, for use in juxtaposition to a perceptible output spectrum, and the enhancement includes: (a) designating a target enhancement region in the spectrum and the region is defined as having at least one boundary; (b) proximate to one of the boundaries, defining a perceptible transition region; and (c) in the transition region, applying a filter having a spectral shape substantially inverse to normal perception for the transition region. The enhancement is preferably applicable to a visual or audio systems and can be embodied as a digital, analog, mechanical, passive, optical element.Type: ApplicationFiled: May 17, 2003Publication date: November 18, 2004Inventors: Chaim Scheff, Amir Ben-Shalom, Shlomit Engel, David Coates
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Patent number: 6747215Abstract: A fat conductor electrically interconnecting between a pair of substantially parallel plates wherein each of the plates has a prearranged pattern of conducting surface coating regions on the central interior face side thereof, and the fat conductor is specifically for use in sandwiched constructions of the plates having encapsulated dielectric film there-between, the fat conductor including: two thin conductive surface coating pads of substantially complementary size and one of the two pads is located on each facing plate and the pads are situated to face each other when the plates are sandwiched together and each pad has an associated conductive surface coating path on its respective surface; a perimeter wall of adhesive arranged around one of the pads; and a conductive paste situated within the perimeter wall such that when the plates are sandwiched together there is formed an electrically conductive connection between the pads via the paste.Type: GrantFiled: June 28, 2003Date of Patent: June 8, 2004Inventors: Jack Amir, Amir Ben-Shalom
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Publication number: 20040061811Abstract: A front-lit display panel comprising: at least one pixel units, each having a layered structure including transparent conductor, an active layer containing liquid-crystal-type molecules, and a rear conductive layer, electrical connectors in electrical contact with the rear conductive layer and extending to the rear portion of the pixel unit; and a plurality of electronics module for respectively receiving each pixel unit, each having a conformal interconnection facilities with the at least two contacts adapted for making electrical contact with the electrical connectors, and interfacing with at least one data communications line and at least one electric power line; and an assembly board for receiving the at least one second conformal interconnection facilities, each receiving position having at least two contacts respectively adapted for making electrical contact with the data communications line and with electric power line of one of the electronics modules.Type: ApplicationFiled: September 18, 2003Publication date: April 1, 2004Inventors: Ran Poliakine, Amir Ben-Shalom
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Publication number: 20040055785Abstract: A fat conductor electrically interconnecting between a pair of substantially parallel plates wherein each of the plates has a prearranged pattern of conducting surface coating regions on the central interior face side thereof, and the fat conductor is specifically for use in sandwiched constructions of the plates having encapsulated dielectric film there-between, the fat conductor including: two thin conductive surface coating pads of substantially complementary size and one of the two pads is located on each facing plate and the pads are situated to face each other when the plates are sandwiched together and each pad has an associated conductive surface coating path on its respective surface; a perimeter wall of adhesive arranged around one of the pads; and a conductive paste situated within the perimeter wall such that when the plates are sandwiched together there is formed an electrically conductive connection between the pads via the paste.Type: ApplicationFiled: June 28, 2003Publication date: March 25, 2004Inventor: Amir Ben-Shalom