Assignee
LAMBDA 4 ENTW GMBH
DE·10 granted patents·12 pending applications·4 citations·filing 2015–2024
Top patents by PatentIndex Score
22 records- 0175US11899092B2Travel time measurement based on frequency switchingLAMBDA 4 ENTW GMBH·Filed 2020·Granted Feb 13, 2024·1 cites·25 claims
- 0271US9658317B2Method for distance measurement between moving objectsLAMBDA:4 ENTW GMBH·Filed 2015·Granted May 23, 2017·2 cites·24 claims
- 0367US12591051B2Method for determining a distance between two objects with the involvement of a third objectLAMBDA 4 ENTW GMBH·Filed 2021·Granted Mar 31, 2026·0 cites·17 claims
- 0467US12405347B2Method for determining distance between a plurality of objectsLAMBDA 4 ENTW GMBH·Filed 2021·Granted Sep 2, 2025·0 cites·19 claims
- 0566US2023408666A1Method for one-sided radio-based distance measurementLAMBDA 4 ENTW GMBH·Filed 2021·Application pending·0 cites
- 0666US2023408665A1Method for radio-based distance measurementLAMBDA 4 ENTW GMBH·Filed 2021·Application pending·0 cites
- 0766US2023408654A1Method for determining calibration for measuring transit timeLAMBDA 4 ENTW GMBH·Filed 2021·Application pending·0 cites
- 0862US2023408664A1Method for a one-sided radio-based distance measurementLAMBDA 4 ENTW GMBH·Filed 2020·Application pending·0 cites
- 0962US2024411032A1Method and system for second node supported ambiguity decisionLAMBDA 4 ENTW GMBH·Filed 2024·Application pending·0 cites
- 1061US11175396B2Method and system for high resolution range and speedometersLAMBDA 4 ENTW GMBH·Filed 2019·Granted Nov 16, 2021·1 cites·19 claims
- 1159US2024377500A1Position finding by determination of distances in the spectrumLAMBDA 4 ENTW GMBH·Filed 2024·Application pending·0 cites
- 1258US2025231291A1Method for position finding relative to an anchor network using unidirectional communicationLAMBDA 4 ENTW GMBH·Filed 2023·Application pending·0 cites
- 1354US2025216543A1Improved spatial smoothing method for generating an autocorrelation matrix of radio signal measurement valuesLAMBDA 4 ENTW GMBH·Filed 2022·Application pending·0 cites
- 1452US2023393253A1Method for determining a distance using a high-resolution method based on signal propagation time measurementsLAMBDA 4 ENTW GMBH·Filed 2021·Application pending·0 cites
- 1550US2025184737A1Detection of attacks on radio authorization systemsLAMBDA 4 ENTW GMBH·Filed 2022·Application pending·0 cites
- 1649US9945930B2System and method for determining an orientation or position of a receiver relative to an emission deviceLAMBDA 4 ENTW GMBH·Filed 2015·Granted Apr 17, 2018·0 cites·29 claims
- 1748US2024080670A1Method for detecting a relay attackLAMBDA 4 ENTW GMBH·Filed 2021·Application pending·0 cites
- 1846US12507157B2Method for deciding the distance threshold for a plurality of transpondersLAMBDA 4 ENTW GMBH·Filed 2020·Granted Dec 23, 2025·0 cites·21 claims
- 1944US11882454B2Detection of attacks on radio authorization systemsLAMBDA 4 ENTW GMBH·Filed 2020·Granted Jan 23, 2024·0 cites·15 claims
- 2043US12375924B2Method for detecting the time of the earliest reception of a signal change, in particular for measuring delay time or for defense against relay attacksLAMBDA 4 ENTW GMBH·Filed 2020·Granted Jul 29, 2025·0 cites·19 claims
- 2142US10979272B2Method for improving transit time and/or phase measurementLAMBDA 4 ENTW GMBH·Filed 2019·Granted Apr 13, 2021·0 cites·15 claims
- 2235US2024080037A1Method for determining an iq offsetLAMBDA 4 ENTW GMBH·Filed 2021·Application pending·0 cites
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