Abstract: A digital communication system comprising: an optical receiver comprising a detector configured to receive a laser optical signal from an optical transmitter; a curved mirror; an optical detector associated with said curved mirror; and an automated tracking system configured to: (i) determine a desired orientation of said optical receiver in relation to said optical transmitter, based, at least in part, on detecting a celestial location of said optical transmitter, (ii) move said optical receiver to said orientation, and (iii) continuously adjust said orientation to maximize a measured strength of said received optical signal.

Abstract: Disclosed are methods and devices for simulating ultrasound procedures and for training ultrasound users. Additionally disclosed are methods and devices for simulating needle insertion procedures, such as amniocentesis procedures, and for training physicians to perform such needle insertion procedures.

Abstract: According to some embodiments of the present invention there is provided a method for detecting locations of navigation interfering devices. The method comprises an action of receiving multiple navigation signal parameter datasets, each from one of multiple satellite signal receivers. The method comprises an action of detecting one or more interference event data according to an interference analysis of at least some of the datasets. The method comprises an action of updating a probability value for each of multiple suspected navigation interference device locations, by a location analysis of the interference event data, where each of the probability values is indicative of a likelihood that the interference event data originates from some of the suspected navigation interference device locations. The method comprises an action of selecting a subset of the suspected navigation interference device locations according to the probability values and outputting the subset.

Abstract: Disclosed are methods, assemblies and devices useful for identifying the location and/or motion of a mobile device in a specified area, for assisting in mapping a specified area and also to methods, assemblies and devices for determining a location of anchors found at fixed locations in a specified area.

Abstract: Disclosed are methods, assemblies and devices useful for identifying the location and/or motion of a mobile device in a specified area, for assisting in mapping a specified area and also to methods, assemblies and devices for determining a location of anchors found at fixed locations in a specified area.

Abstract: The invention, in some embodiments, relates to the field of global navigation satellite systems, and more particularly to the field of methods and devices for improving accuracy of position determination by receivers of global navigation satellite systems. Some embodiments of the invention relate to methods for generating a three-dimensional (3-D) representation of an urban area by a receiver of a global navigation satellite system using blocked lines of sight to satellites of the system. Additional embodiments of the invention relate to methods for transmitting a three-dimensional (3-D) representation of an urban area by a receiver of a global navigation satellite system for improving calculation of location by the global navigation satellite system receiver.

Abstract: Disclosed are methods, assemblies and devices useful for identifying the location and/or motion of a mobile device in a specified area, for assisting in mapping a specified area and also to methods, assemblies and devices for determining a location of anchors found at fixed locations in a specified area.

Abstract: There is provided, in accordance with some embodiments, a method comprising using one or more hardware processors for receiving a stream of video frames from a camera mounted on a moving vehicle. Hardware processor(s) are used for computing two or more three-dimensional (3D) orientation vectors of two or more light sources visible in the video frames. Hardware processor(s) are used for computing a 3D location for each of the light sources based on the 3D orientation vectors. Hardware processor(s) are used for computing two or more geographical locations of the camera based on the 3D locations. Hardware processor(s) are used for computing a lane positioning of the vehicle based on the geographical locations. Hardware processor(s) are used for sending the lane positioning and/or the geographical locations to a navigation system.

Abstract: A method for star tracking, the method comprising using at least one hardware processor for receiving at least one digital image at least partially depicting at least three light sources visible from the at least one sensor, wherein the at least one sensor captured the at least one digital image. The method comprises an action of processing the at least one digital image to calculate image positions of the depicted at least three light sources in each image. The method comprises an action of identifying the at least three light sources in each image by comparing a parameter computed from the at least one image and a respective parameter computed from a database. The method comprises an action of determining a position of the at least one sensor based on the identified at least three light sources.

Abstract: According to some embodiments of the present invention there is provided a method for detecting locations of navigation interfering devices. The method comprises an action of receiving multiple navigation signal parameter datasets, each from one of multiple satellite signal receivers. The method comprises an action of detecting one or more interference event data according to an interference analysis of at least some of the datasets. The method comprises an action of updating a probability value for each of multiple suspected navigation interference device locations, by a location analysis of the interference event data, where each of the probability values is indicative of a likelihood that the interference event data originates from some of the suspected navigation interference device locations. The method comprises an action of selecting a subset of the suspected navigation interference device locations according to the probability values and outputting the subset.

Abstract: According to some embodiments of the present invention there is provided a method for detecting locations of navigation interfering devices. The method comprises an action of receiving multiple navigation signal parameter datasets, each from one of multiple satellite signal receivers. The method comprises an action of detecting one or more interference event data according to an interference analysis of at least some of the datasets. The method comprises an action of updating a probability value for each of multiple suspected navigation interference device locations, by a location analysis of the interference event data, where each of the probability values is indicative of a likelihood that the interference event data originates from some of the suspected navigation interference device locations. The method comprises an action of selecting a subset of the suspected navigation interference device locations according to the probability values and outputting the subset.

Abstract: Disclosed are devices suitable for connection to a light fixture, that in some embodiments are useful as components of a network and/or position-determining system.

Abstract: The invention, in some embodiments, relates to the field of global navigation satellite systems, and more particularly to the field of methods and devices for identifying whether a satellite in a global navigation satellite system has a line of sight to a specific global navigation satellite system receiver (LOS satellite) or does not have a line of sight to the global navigation satellite system receiver (NLOS satellite).

Abstract: The invention, in some embodiments, relates to the field of global navigation satellite systems, and more particularly to the field of methods and devices for improving accuracy of position determination by receivers of global navigation satellite systems. Some embodiments of the invention relate to methods for generating a three-dimensional (3-D) representation of an urban area by a receiver of a global navigation satellite system using blocked lines of sight to satellites of the system. Additional embodiments of the invention relate to methods for transmitting a three-dimensional (3-D) representation of an urban area by a receiver of a global navigation satellite system for improving calculation of location by the global navigation satellite system receiver.

Abstract: According to some embodiments of the present invention there is provided a method for detecting locations of navigation interfering devices. The method comprises an action of receiving multiple navigation signal parameter datasets, each from one of multiple satellite signal receivers. The method comprises an action of detecting one or more interference event data according to an interference analysis of at least some of the datasets. The method comprises an action of updating a probability value for each of multiple suspected navigation interference device locations, by a location analysis of the interference event data, where each of the probability values is indicative of a likelihood that the interference event data originates from some of the suspected navigation interference device locations. The method comprises an action of selecting a subset of the suspected navigation interference device locations according to the probability values and outputting the subset.

Abstract: Disclosed are devices suitable for connection to a light fixture, that in some embodiments are useful as components of a network and/or position-determining system.

Abstract: The invention, in some embodiments, relates to the field of global navigation satellite systems, and more particularly to the field of methods and devices for improving accuracy of position determination by receivers of global navigation satellite systems. Some embodiments of the invention relate to methods for generating a three-dimensional (3-D) representation of an urban area by a receiver of a global navigation satellite system using blocked lines of sight to satellites of the system. Additional embodiments of the invention relate to methods for transmitting a three-dimensional (3-D) representation of an urban area by a receiver of a global navigation satellite system for improving calculation of location by the global navigation satellite system receiver.

Abstract: Disclosed are devices suitable for connection to a light fixture, that in some embodiments are useful as components of a network and/or position-determining system.

Abstract: The invention, in some embodiments, relates to the field of global navigation satellite systems, and more particularly to the field of methods and devices for identifying whether a satellite in a global navigation satellite system has a line of sight to a specific global navigation satellite system receiver (LOS satellite) or does not have a line of sight to the global navigation satellite system receiver (NLOS satellite).

Abstract: Disclosed is a method of aiming a firearm operated by an operator, comprising: a) at a range-determining rate of at least as frequent as once a second, determining the range to an object along an aiming line of a firearm; b) generating a signal audible to the operator, wherein at least one characteristic of the audible signal is modulated as a function of said determined range; and c) discharging the firearm in response to the characteristic of the signal. Also disclosed is a device useful in helping to aim a firearm, comprising: a) a range-determining unit configured for mounting on a firearm, further configured for determining the range to an object along an aiming line at a range-determining rate of at least as frequent as once a second; and b) a reporting unit functionally associated with the range-determining unit, configured to generate a signal audible to a human operator, wherein at least one characteristic of the signal is modulated as a function of a range determined by the range-determining unit.