LandOfFree - US Patents - Listing for Communications, electrical: acoustic wave systems and devices,Echo systems

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Adaptive acoustic signal target detection system

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Patent

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Adaptive predictor of surface reverberation in a bistatic sonar

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Patent

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Adjustable position sonar transducer depth finder

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Patent

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Adjustable ultrasonic level measurement device

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Patent

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Aiming point system and technique

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Patent

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Alarm system responsive to intrusion induced phase unbalance

Communications – electrical: acoustic wave systems and devices – Echo systems – Presence or movement only detection

Patent

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Apodization of ultrasound transmission

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Patent

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Apparatus and method for detecting sonar signals in a noisy...

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Reexamination Certificate

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Apparatus and method for discriminating true and false ultrasoni

Communications – electrical: acoustic wave systems and devices – Echo systems

Patent

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Apparatus and method for distance determination

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Patent

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Apparatus and method for measuring relative phase of signals in

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Patent

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Apparatus and method for measuring the relative velocity and tru

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Patent

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Apparatus and method for measuring velocity

Communications – electrical: acoustic wave systems and devices – Echo systems – Speed determination

Patent

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Apparatus and method of vehicle occupant sensing using...

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Reexamination Certificate

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Apparatus and method using controlled emission for sensing...

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Reexamination Certificate

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Apparatus and method whereby wave energy is correlated with posi

Communications – electrical: acoustic wave systems and devices – Echo systems

Patent

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Apparatus for and method of adaptively processing sonar data

Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding

Patent

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Apparatus for and method of doppler motion detection with standi

Communications – electrical: acoustic wave systems and devices – Echo systems – Presence or movement only detection

Patent

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Apparatus for and method of doppler motion detection with standi

Communications – electrical: acoustic wave systems and devices – Echo systems – Presence or movement only detection

Patent

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Apparatus for controlling an automatic angling machine connected

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Patent

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