About 99 results
https://drivepatents.com/patents/1073683 · 28 Sep 2005
A laser measuring method in a laser measuring system, which comprises a rotary laser system for projecting a laser beam by rotary irradiation and at least one photodetection system having at least one photodetector for receiving the laser beam, comprising ...
https://drivepatents.com/patents/1073712 · 28 Sep 2005
A method and apparatus for resolving floating point and integer ambiguities in a satellite position navigation system is disclosed. A rover station is periodically positioned at unknown locations and has a satellite receiver capable of receiving the naviga...
https://drivepatents.com/patents/1074140 · 14 Sep 2005
A surveying instrument, comprising an optical system for collimating a measuring point, a driving unit for performing scanning in a measurement range the optical system, a distance-measuring unit comprising a light wave distance measuring system, an image ...
https://drivepatents.com/patents/1074963 · 17 Aug 2005
A laser calibration device includes a housing and a pendulum pivotally coupled to the housing and suspending downwards therefrom. A laser deck is mounted to the pendulum. At least one laser for emitting a laser line is mounted to the laser deck. The laser ...
https://drivepatents.com/patents/1074918 · 17 Aug 2005
A two wire laser control circuit for a laser leveler includes a switch mounted on a housing and having an electrical current passing therethrough. The switch has a first position and a second position. A diode bridge is mounted on a pendulum. A plurality o...
https://drivepatents.com/patents/1076978 · 15 Jun 2005
The present invention provides a surveying instrument (20), comprising a surveying instrument main unit (21) which projects a measuring light to an object to be measured and measures a position based on a reflection light from the object to be measured and...
https://drivepatents.com/patents/1078117 · 4 May 2005
A laser level disposable on a reference surface includes a housing, a laser diode disposed within the housing for emitting a laser beam along a path, a lens disposed in the path for converting the laser beam into a planar beam. The planar beam thus forms a...
https://drivepatents.com/patents/1078691 · 13 Apr 2005
A laser light referencing tool comprises laser means (314) for emitting a visible laser beam, portable power means for powering the laser means, and gravity-responsive directional means for establishing a datum director for the laser means, the gravity-res...
https://drivepatents.com/patents/1078998 · 30 Mar 2005
The present invention relates to a position detection instrument, and more particularly to a position detection instrument that emits distance measuring light and measuring light to perform three-dimensional measurement of a target position, and that recor...
https://drivepatents.com/patents/1079110 · 23 Mar 2005
Geodetic unit (1), especially a total station or distance meter, has a laser light source with at least a radiation producing laser diode (2b). The latter has an external cavity with at least a mono-selective component (2d) for selection of a single mode c...