Assignee
LITEF GMBH
DE76 patents
Top patents by PatentIndex Score
US4702600AOct 27, 1987
Method and apparatus for measuring angular rate with a passive optical resonator
LITEF GMBH79 citations96
US5614742AMar 25, 1997
Micromechanical accelerometer with plate-like semiconductor wafers
LITEF GMBH47 citations94
US5515683AMay 14, 1996
Thermoelectric heating or cooling device
LITEF GMBH81 citations94
US7805993B2Oct 5, 2010
Operating method for a Coriolis gyro, and evaluation/control electronics which are suitable for this purpose
LITEF GMBH26 citations92
US7481110B2Jan 27, 2009
Method for quadrature-bias compensation in a Coriolis gyro, as well as a Coriolis gyro which is suitable for this purpose
LITEF GMBH31 citations92
US5661735AAug 26, 1997
FDIC method for minimizing measuring failures in a measuring system comprising redundant sensors
LITEF GMBH47 citations92
US5351123ASep 27, 1994
Method and apparatus for stabilizing control loop scale factor and gain in a fiber optic Sagnac interferometer
LITEF GMBH44 citations92
US5133600AJul 28, 1992
Method and apparatus for demodulating the rotation rate signal of a fiber optic gyroscope
LITEF GMBH26 citations92
US7964428B2Jun 21, 2011
Micromechanical component and method for fabricating a micromechanical component
LITEF GMBH21 citations91
US6760111B1Jul 6, 2004
Digital phase modulator
LITEF GMBH21 citations90
US6205401B1Mar 20, 2001
Navigation system for a vehicle, especially a land craft
LITEF GMBH106 citations90
US5504032AApr 2, 1996
Micromechanical accelerometer and method of manufacture thereof
LITEF GMBH26 citations90
US5485274AJan 16, 1996
Fiber optic interferometer with wavelength-stabilized light source
LITEF GMBH27 citations90
US5473430ADec 5, 1995
Method for compensating light source wavelength variability in a rotation rate measuring closed-loop fiber optic Sagnac interferometer
LITEF GMBH20 citations90
US5959206ASep 28, 1999
Micromechanical rotation speed sensor
LITEF GMBH41 citations89
US4953834ASep 4, 1990
Pendulum with bending spring joint
LITEF GMBH36 citations89
US6863832B1Mar 8, 2005
Method for producing a torsion spring
LITEF GMBH29 citations87
US5778073AJul 7, 1998
Method and device for speech encryption and decryption in voice transmission
LITEF GMBH27 citations87
US4924749AMay 15, 1990
Method and apparatus for stabilizing high-dynamics devices
LITEF GMBH29 citations86
US5267264ANov 30, 1993
Synchronization and matching method for a binary baseband transmission system
LITEF GMBH25 citations85
US4930085AMay 29, 1990
Method for determining the heading of an aircraft
LITEF GMBH44 citations85
US7216525B2May 15, 2007
Method for compensation for a zero error in a coriolis gyro
LITEF GMBH15 citations84
US7340954B2Mar 11, 2008
Method for measurement of rotation rates/accelerations using a rotation rate coriolis gyro, as well as a coriolis gyro which is suitable for this purpose
LITEF GMBH19 citations83
US6538746B1Mar 25, 2003
Method and device for measuring absolute interferometric length
LITEF GMBH16 citations83
US6490923B1Dec 10, 2002
Micromechanical rpm sensor
LITEF GMBH18 citations82
US4825261AApr 25, 1989
Method for reading out rotation rate with a passive optical resonator
LITEF GMBH22 citations82
US5686721ANov 11, 1997
Position-transmitting electromagnetic quanta and particle radiation detector
LITEF GMBH32 citations81
US4870602ASep 26, 1989
Method for determining route angles
LITEF GMBH33 citations80
US7249488B2Jul 31, 2007
Method for detecting a zero-point error of a coriolis gyroscope and coriolis gyroscope using said method
LITEF GMBH7 citations74
US7246512B2Jul 24, 2007
Method for determining a zero-point error in a vibratory gyroscope
LITEF GMBH9 citations74
US6373048B1Apr 16, 2002
Method and device for stabilizing the scale factor of a fiber optic gyroscope
LITEF GMBH16 citations74
US4833417AMay 23, 1989
Synchronous demodulation system with digital output
LITEF GMBH14 citations74
US6691572B1Feb 17, 2004
Acceleration measuring device with pulse width modulation resetting
LITEF GMBH12 citations73
US5123741AJun 23, 1992
Fiber optic sagnac interferrometer with digital phase ramp resetting via correlation-free demodulator control
LITEF GMBH20 citations73
US6374671B1Apr 23, 2002
Method of stimulating an oscillator control for capacitive measurement of strength, acceleration and/or rotation speed
LITEF GMBH7 citations72
US6181428B1Jan 30, 2001
Closed loop fiber optic gyro with shupe effect compensation
LITEF GMBH12 citations72
US7119324B2Oct 10, 2006
Highly stable broadband light source and suitable stabilization method therefor
LITEF GMBH10 citations71
US6119517ASep 19, 2000
Micro-mechanical rate-of-rotation sensor with coupled structure
LITEF GMBH14 citations71
US5311279AMay 10, 1994
Integrated optical apparatus for the interferometric measurement of light waves
LITEF GMBH7 citations71
US5294972AMar 15, 1994
Multi-axis fiber optic rotation rate sensor with parallel sensing coils
LITEF GMBH13 citations71
US5109230AApr 28, 1992
Method for aircraft velocity error detection with a Doppler radar
LITEF GMBH16 citations70
US4922258AMay 1, 1990
Method for determining aircraft flight altitude
LITEF GMBH9 citations70
US4844383AJul 4, 1989
Apparatus for redundant axis stabilization and control of an aircraft
LITEF GMBH11 citations70
US6088810AJul 11, 2000
Apparatus for synchronized data interchange between locally dedicated sources
LITEF GMBH8 citations69
US7102757B2Sep 5, 2006
Current measurement method and device based on a fiber optic in-line Sagnac interferometer
LITEF GMBH7 citations68
US5953122ASep 14, 1999
Method and apparatus for increasing the stability of a fiber optic gyroscope by controlling the phase and amplitude of the source modulating current
LITEF GMBH12 citations68
US4702106AOct 27, 1987
Method for determining the horizontal airspeed of helicopters in low speed ranges
LITEF GMBH19 citations68
US6539799B1Apr 1, 2003
Rotational speed measurement device for rotating missiles
LITEF GMBH8 citations66
US5214488AMay 25, 1993
Fiber optic sagnac interferometer with digital phase modulation for measuring rotation rate
LITEF GMBH15 citations66
US5268740ADec 7, 1993
Fiber optic Sagnac interferometer with carrier frequency reduced output for measuring a rate of rotation
LITEF GMBH7 citations65
Showing the top 50 of 76 patents by PatentIndex Score.