摘要:
Methods are disclosed for computer modeling of amplitude modulated light in dispersive optical systems. Ray tracings are extended to include calculations of the modulated phase for the rays. Examples are given for electronic distance measurement instrument applications.
摘要:
Lessons of the Sep. 11, 2001 terrorist attack (9/11), the Aug. 29, 2005 Hurricane Katrina, the Mar. 11, 2011 tsunami off the coast of Tohoku Japan and ensuing Fukushima Daiichi Nuclear Power Plant malfunction, and the Oct. 29, 2012 Hurricane Sandy are incorporated. Methods are disclosed for rapidly establishing alternate electronic messaging for person-to-person communications in a large-scale emergency. Details for constructing electronic access addresses comprised in part by subscriber telephone numbers and an event identifier, allows the provider to establish a default system with no specific information from the user while allowing the user to access the messages in a systematic way. No registration or passwords are required, which allows free access to all interested parties. Methods are disclosed to reunite lost pets with owners and employ cloud computing and data storage services to provide the equipment on an as needed basis.
摘要:
A method of conveying information to a user of a coordinate measurement device, includes providing a first target projector, sending a first light beam from the device to a retroreflector; receiving a second light beam from the retroreflector; measuring the orientational and translational sets, the translational set based on the second light beam; selecting first information to be conveyed from the group consisting of one or more positions on the object, a direction indicated by a moving pattern, a message that includes one or more symbols or alphanumeric characters, a hidden feature, a measured object characteristic, a modeled characteristic, a magnified representation of surface characteristics, a pattern having meaning according to a rule, and combinations thereof; determining a first light pattern corresponding to the information; storing the first light pattern; and projecting the first light pattern onto the object based on the translational and orientational sets.
摘要:
Methods are disclosed wherein the structural health of a civil structure, such as, but not limited to, a bridge or the like is measured by electronic distance measurement from a plurality of stable locations to a plurality of cardinal points on the structure in a methodical manner. By measuring the coordinates of the cardinal points, the dynamic and long-term static behavior of the structure provide an indication of the health of the structure. Analysis includes; comparison to a Finite Element Model (FEM), comparison to historical data, linearity, hysteresis, symmetry, creep, damping coefficient, and harmonic terms.
摘要:
Methods are disclosed wherein the structural health of a civil structure, such as, but not limited to, a bridge or the like is measured by electronic distance measurement from a plurality of stable locations to a plurality of cardinal points on the structure in a methodical manner. By measuring the coordinates of the cardinal points, the dynamic and long-term static behavior of the structure provide an indication of the health of the structure. Analysis includes; comparison to a Finite Element Model (FEM), comparison to historical data, linearity, hysteresis, symmetry, creep, damping coefficient, and harmonic terms.
摘要:
This invention relates to a non-invasive method for easily locating an underground septic tank, distribution box, field line, conduit, or the like. In the preferred embodiment, prescribed acoustic signals are injected into an underground cavity via an accessable port and remotely detected by a time synchronized detector in contact with the ground which cross correlates the detected signal with a duplicate of the prescribed acoustic signal in order to reject background noise, and thus locate the underground cavity. A frequency sweep is conducted to exploit cavity resonance modes and thus further enhance the signal to noise ratio.
摘要:
A portable light intended for mounting on a garment as support includes two LED light sources spaced apart towards the rear of the portable light. A clipped base below on anchor facilitates locating a garment between the anchor and the base, and a spring action urges the base toward the anchor. A hingedly movable head for the LEDs is mounted on the housing to move to and form the housing. An opening of the housing causes a switch in the housing to move between an opened and closed position such that a circuit actives or de activates the LED lights when the head opens or closes relative to the housing.