Assignee
LITEF GMBH
DE·76 granted patents·1,347 citations·filing 1985–2006
Top patents by PatentIndex Score
76 records- 0189US5515683AThermoelectric heating or cooling deviceLITEF GMBH·Filed 1993·Granted May 14, 1996·81 cites·4 claims
- 0289US4702600AMethod and apparatus for measuring angular rate with a passive optical resonatorLITEF GMBH·Filed 1985·Granted Oct 27, 1987·79 cites·19 claims
- 0388US7964428B2Micromechanical component and method for fabricating a micromechanical componentLITEF GMBH·Filed 2006·Granted Jun 21, 2011·21 cites·18 claims
- 0481US5661735AFDIC method for minimizing measuring failures in a measuring system comprising redundant sensorsLITEF GMBH·Filed 1995·Granted Aug 26, 1997·47 cites·5 claims
- 0580US5614742AMicromechanical accelerometer with plate-like semiconductor wafersLITEF GMBH·Filed 1996·Granted Mar 25, 1997·47 cites·9 claims
- 0679US6863832B1Method for producing a torsion springLITEF GMBH·Filed 2000·Granted Mar 8, 2005·29 cites·3 claims
- 0779US6205401B1Navigation system for a vehicle, especially a land craftLITEF GMBH·Filed 1996·Granted Mar 20, 2001·106 cites·16 claims
- 0878US4953834APendulum with bending spring jointLITEF GMBH·Filed 1988·Granted Sep 4, 1990·36 cites·4 claims
- 0975US7481110B2Method for quadrature-bias compensation in a Coriolis gyro, as well as a Coriolis gyro which is suitable for this purposeLITEF GMBH·Filed 2004·Granted Jan 27, 2009·31 cites·8 claims
- 1075US5351123AMethod and apparatus for stabilizing control loop scale factor and gain in a fiber optic Sagnac interferometerLITEF GMBH·Filed 1992·Granted Sep 27, 1994·44 cites·10 claims
- 1174US5686721APosition-transmitting electromagnetic quanta and particle radiation detectorLITEF GMBH·Filed 1995·Granted Nov 11, 1997·32 cites·14 claims
- 1272US4930085AMethod for determining the heading of an aircraftLITEF GMBH·Filed 1987·Granted May 29, 1990·44 cites·5 claims
- 1371US7805993B2Operating method for a Coriolis gyro, and evaluation/control electronics which are suitable for this purposeLITEF GMBH·Filed 2004·Granted Oct 5, 2010·26 cites·8 claims
- 1466US7340954B2Method for measurement of rotation rates/accelerations using a rotation rate coriolis gyro, as well as a coriolis gyro which is suitable for this purposeLITEF GMBH·Filed 2004·Granted Mar 11, 2008·19 cites·4 claims
- 1566US5959206AMicromechanical rotation speed sensorLITEF GMBH·Filed 1996·Granted Sep 28, 1999·41 cites·20 claims
- 1666US5504032AMicromechanical accelerometer and method of manufacture thereofLITEF GMBH·Filed 1994·Granted Apr 2, 1996·26 cites·13 claims
- 1766US4924749AMethod and apparatus for stabilizing high-dynamics devicesLITEF GMBH·Filed 1987·Granted May 15, 1990·29 cites·12 claims
- 1865US6691572B1Acceleration measuring device with pulse width modulation resettingLITEF GMBH·Filed 2000·Granted Feb 17, 2004·12 cites·2 claims
- 1964US4825261AMethod for reading out rotation rate with a passive optical resonatorLITEF GMBH·Filed 1987·Granted Apr 25, 1989·22 cites·14 claims
- 2063US7216525B2Method for compensation for a zero error in a coriolis gyroLITEF GMBH·Filed 2004·Granted May 15, 2007·15 cites·6 claims
- 2162US5485274AFiber optic interferometer with wavelength-stabilized light sourceLITEF GMBH·Filed 1994·Granted Jan 16, 1996·27 cites·9 claims
- 2262US5133600AMethod and apparatus for demodulating the rotation rate signal of a fiber optic gyroscopeLITEF GMBH·Filed 1990·Granted Jul 28, 1992·26 cites·19 claims
- 2360US7490015B2Method for controlling/regulating a physical quantity of a dynamic system, in particular a micromechanical sensorLITEF GMBH·Filed 2005·Granted Feb 10, 2009·3 cites·16 claims
- 2460US4870602AMethod for determining route anglesLITEF GMBH·Filed 1986·Granted Sep 26, 1989·33 cites·7 claims
- 2558US4702106AMethod for determining the horizontal airspeed of helicopters in low speed rangesLITEF GMBH·Filed 1986·Granted Oct 27, 1987·19 cites·6 claims
- 2657US5778073AMethod and device for speech encryption and decryption in voice transmissionLITEF GMBH·Filed 1994·Granted Jul 7, 1998·27 cites·22 claims
- 2755US7246512B2Method for determining a zero-point error in a vibratory gyroscopeLITEF GMBH·Filed 2004·Granted Jul 24, 2007·9 cites·8 claims
- 2855US5473430AMethod for compensating light source wavelength variability in a rotation rate measuring closed-loop fiber optic Sagnac interferometerLITEF GMBH·Filed 1994·Granted Dec 5, 1995·20 cites·1 claims
- 2955US5123741AFiber optic sagnac interferrometer with digital phase ramp resetting via correlation-free demodulator controlLITEF GMBH·Filed 1991·Granted Jun 23, 1992·20 cites·7 claims
- 3054US7102757B2Current measurement method and device based on a fiber optic in-line Sagnac interferometerLITEF GMBH·Filed 2002·Granted Sep 5, 2006·7 cites·3 claims
- 3154US4833417ASynchronous demodulation system with digital outputLITEF GMBH·Filed 1987·Granted May 23, 1989·14 cites·4 claims
- 3253US7119324B2Highly stable broadband light source and suitable stabilization method thereforLITEF GMBH·Filed 2004·Granted Oct 10, 2006·10 cites·11 claims
- 3352US6538746B1Method and device for measuring absolute interferometric lengthLITEF GMBH·Filed 1999·Granted Mar 25, 2003·16 cites·6 claims
- 3451US7249488B2Method for detecting a zero-point error of a coriolis gyroscope and coriolis gyroscope using said methodLITEF GMBH·Filed 2003·Granted Jul 31, 2007·7 cites·10 claims
- 3551US6760111B1Digital phase modulatorLITEF GMBH·Filed 1998·Granted Jul 6, 2004·21 cites·13 claims
- 3650US7337665B2Method for electronically tuning the readout vibration of a coriolis gyroscopeLITEF GMBH·Filed 2003·Granted Mar 4, 2008·6 cites·16 claims
- 3750US5109230AMethod for aircraft velocity error detection with a Doppler radarLITEF GMBH·Filed 1988·Granted Apr 28, 1992·16 cites·3 claims
- 3848US6490923B1Micromechanical rpm sensorLITEF GMBH·Filed 1999·Granted Dec 10, 2002·18 cites·10 claims
- 3947US4844383AApparatus for redundant axis stabilization and control of an aircraftLITEF GMBH·Filed 1987·Granted Jul 4, 1989·11 cites·10 claims
- 4046US5294972AMulti-axis fiber optic rotation rate sensor with parallel sensing coilsLITEF GMBH·Filed 1992·Granted Mar 15, 1994·13 cites·3 claims
- 4146US5214488AFiber optic sagnac interferometer with digital phase modulation for measuring rotation rateLITEF GMBH·Filed 1992·Granted May 25, 1993·15 cites·2 claims
- 4245US7190463B2Method for preventing bias-errors as a result of synchronous interference in fiber-optic gyroscopesLITEF GMBH·Filed 2002·Granted Mar 13, 2007·4 cites·2 claims
- 4345US6707975B2Fiber optic coil for a fiber optic measuring system and method for producing the sameLITEF GMBH·Filed 2001·Granted Mar 16, 2004·10 cites·6 claims
- 4445US5267264ASynchronization and matching method for a binary baseband transmission systemLITEF GMBH·Filed 1992·Granted Nov 30, 1993·25 cites·4 claims
- 4544US7961373B2High-resolution digital phase modulator for a fiber-optic signal transmission or measurement deviceLITEF GMBH·Filed 2004·Granted Jun 14, 2011·2 cites·21 claims
- 4643US7324206B2Method for determination/compensation of bias errors/random walk errors induced by the light source in fiber-optic Sagnac interferometersLITEF GMBH·Filed 2004·Granted Jan 29, 2008·3 cites·6 claims
- 4743US7231823B2Method for electronically adjusting the selective oscillation frequency of a Coriolis gyroLITEF GMBH·Filed 2003·Granted Jun 19, 2007·2 cites·12 claims
- 4843US6119517AMicro-mechanical rate-of-rotation sensor with coupled structureLITEF GMBH·Filed 1999·Granted Sep 19, 2000·14 cites·4 claims
- 4942US4922258AMethod for determining aircraft flight altitudeLITEF GMBH·Filed 1987·Granted May 1, 1990·9 cites·2 claims
- 5041US7283246B2Method for regulating the operating frequency and multifunctional integrated circuit chip for a fiber-optic gyroscopeLITEF GMBH·Filed 2003·Granted Oct 16, 2007·2 cites·3 claims
Showing the top 50 of 76 patent records by PatentIndex Score.
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