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154 results about "Orientation sensing" patented technology

An orientation sensor can be found in some digital cameras. By recording the orientation at the time of capture, the camera's software can determine whether the image should be oriented to landscape or portrait format.

Device and method for disabling mobile devices

An arrangement for disabling suitably equipped mobile devices senses at least one of: acceleration, jerk, velocity, position, orientation relative to a vehicle location trend, and orientation of a direction of motion. Position and orientation sensing elements are becoming increasingly prevalent in mobile devices, be they cell phones, smart phones, portable Internet devices, portable wireless devices, mobile Internet devices, Portable Navigation Devices (PND), iPhones, tablet computers, iPads, or Portable Digital Assistants (PDA). Although the operation of which while driving is illegal in many jurisdictions, mobile devices continue to be used by drivers of motor vehicles. Common perception is that it is dangerous to divide one's attention to activities other than the task of operating motor vehicles, while driving. The present invention discloses a device and method of exploiting intricacies of vehicle movement trends by processing to sufficient fidelity as to permit extraction an indication of location with respect to vehicle, of a navigating portable wireless device and temporarily disable. The disclosure teaches use of at least one of: acceleration, jerk, velocity with sufficient fidelity, and differentiation of position updates with sufficient fidelity.
Owner:BRADLEY JAMES ROY

Programmable robotic apparatus

A robotic apparatus for traversing a selected area autonomously that senses orientation relative to “environmental” signals. The robotic apparatus is provided in two models, a master that can record directive and “environmental signal” readings, or that can record received location information, to provide at least one command recorded on a machine-readable medium representing an instruction for traversing an area of interest, and a slave that lacks the recording capability. Both master and slave models can replay recorded commands, and compare the expected orientation from the command with an actual orientation sensed during autonomous operation. If an error exceeding a predetermined value is observed, a corrective action is taken. The robotic apparatus is able to utilize a tool to perform a task.
Owner:DEAN JASON A

Drilling Apparatus and Method

A drilling apparatus includes an upper drill string, a lower drill string including a rotary drilling motor, an orientable rotatable connection between the drill strings, a reactive torque control device associated with the orientable rotatable connection, an orientation sensing device for providing a sensed actual orientation of the lower drill string, and a feedback control system configured to actuate the control device in response to the sensed actual orientation to achieve a target orientation of the lower drill string. A drilling method includes actuating the control device to prevent relative rotation of the drill strings, providing a sensed actual orientation of the lower drill string, comparing the sensed actual orientation with a target orientation of the lower drill string, actuating the control device to allow the lower drill string to rotate to provide the target orientation, and actuating the control device to prevent relative rotation of the drill strings.
Owner:HALLIBURTON ENERGY SERVICES INC

Electromagnetic position and orientation sensing system

Magnetic tracking systems and methods for determining the position and orientation of a remote object. A magnetic tracking system includes a stationary transmitter for establishing a reference coordinate system, and at least one receiver. The remote object is attached to, mounted on, or otherwise coupled to the receiver. The transmitter can include a set of three mutually perpendicular coils having a common center point, or a set of three coplanar coils with separate centers. The receiver can include a set of three orthogonal coils. The position and orientation of the receiver and the remote object coupled thereto is determined by measuring the nine mutual inductances between the three transmitter coils and the three receiver coils. The magnetic tracking system provides reduced power consumption, increased efficiency, digital compensation for component variation, automatic self-calibration, automatic synchronization with no connections between transmitter and receiver, and rapid low-cost implementation.
Owner:BROWN UNIVERSITY

Position and orientation sensing with a projector

A position and orientation of a projector are determined from projected images. First, a homography between a camera and a planar surface, where the relationship between the camera and planar surface is fixed, is determined. Next, a known pattern is projected on the planar surface with a projector having known intrinsic parameters and an unknown position and orientation. An image of the known pattern is acquired with the camera, and a position and orientation of the projector is determined from the image using the homography and the intrinsic parameters.
Owner:MITSUBISHI ELECTRIC RES LAB INC

Optical path array and angular filter for translation and orientation sensing

A position sensor using a novel optical path array (OPA) element, an angle-selective spatial filter, and an imaging array is capable of measuring the translation and orientation relative to a target member in X, Y, Z, yaw, pitch, and roll (“6D”) simultaneously, and with high precision. A target member includes an array of target points surrounded by a contrasting surface. The position sensor uses the OPA element in combination with the angle-selective spatial filter in a target point imaging arrangement such that the imaging array of the position sensor only receives light rays that enter the OPA element according to an operable cone angle α. Accordingly, each target point generally produces a ring-shaped image having a size on the imaging array that varies with the Z position of each target point. The X-Y position of each target point image on the imaging array varies with the X-Y position of each target point. Accordingly, three or more target point images analyzed in the same image are usable to determine a 6D measurement relative to the target member. X and Y displacement of the target member can be accumulated by known methods and the other 6D measurement components are absolute measurements at any position.
Owner:MITUTOYO CORP
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