About 21 results
https://drivepatents.com/patents/1009143 · 5 Oct 2011
An embodiment of the invention includes using a set of telescopes to calibrate a three dimensional optical scanner. A method for aligning or measuring the mis-alignment between anti-podal telescope pairs is described.
https://drivepatents.com/patents/1013058 · 11 May 2011
The method involves emitting a calibration prompt of a microelectromechanical system movement sensor e.g. twin axis accelerometer, by a microcircuit card via a user interface of a portable or pocket type host electronic device i.e. portable telephone. The ...
https://drivepatents.com/patents/1075408 · 3 Aug 2005
The level has a securing device for mounting a horizontal vial within a level body. The securing device has a vial holder and a clamping part that is movable relative to the vial holder for clamping the securing device in the level body. The clamping part ...
https://drivepatents.com/patents/1075800 · 20 Jul 2005
Bubble element for a spirit level has a bubble body with ring markings (5) to indicate the central position of the bubble. The top side (10) of the bubble body is curved in a convex manner in the area of the bubble rings. To achieve this the wall thickness...
https://drivepatents.com/patents/1077782 · 18 May 2005
An off-board navigation system and method for calibrating an error using the same. A server provided in the off-board navigation system calculates a predetermined path using a pre-stored map in response to a request, generates calibration information based...
https://drivepatents.com/patents/1079398 · 16 Mar 2005
A sensor for converting a physical quantity into an electric signal and issuing the output is driven by a drive circuit which is driven by a drive signal issued from a 1-chip microcomputer. The 1-chip microcomputer judges fault of sensor function when the ...
https://drivepatents.com/patents/1092419 · 22 Oct 2003
A correction device determines, by calculation, a real acceleration based on output from a velocity sensor 4. GPS mediated signal receiving portion 2 receives radio navigation waves from plural GPS satellites. The device detects a frequency change of the r...
https://drivepatents.com/patents/1102712 · 7 Aug 2002
A sensor for converting a physical quantity into an electric signal and issuing the output is driven by a drive circuit which is driven by a drive signal issued from a 1-chip microcomputer. The 1-chip microcomputer judges fault of sensor function when the ...
https://drivepatents.com/patents/1108598 · 14 Nov 2001
Disclosed is a communication device and method for estimating a more accurate vertical position or altitude of a communication device using atmospheric pressure measurements. In one embodiment, a first communication device comprises a pressure sensor for m...
https://drivepatents.com/patents/1111607 · 18 Jul 2001
In a spirit level with a spirit level body and at least one bubble tube inserted therein, the spirit level body consists of a foamed metal (Fig. 2).