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

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

Hand-held LCD fish finder

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

Harbor fence

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

Harbor fence

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

Heave compensation system

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

Height measurement method and apparatus

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

High data rate continuous wave towed sonar

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

High efficiency parametric sonar

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

High information rate catacoustic system

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

High resolution acoustic pulse-echo ranging system

Communications – electrical: acoustic wave systems and devices – Echo systems – Side scanning or contour mapping sonar systems

High resolution bathymetric sonar system and measuring...

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

High resolution beam former apparatus

Communications – electrical: acoustic wave systems and devices – Echo systems – Side scanning or contour mapping sonar systems

High resolution measuring method and apparatus

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

High resolution obstacle avoidance and bottom mapping array...

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

High resolution phase shifter beamformer for a cylindrical array

Communications – electrical: acoustic wave systems and devices – Echo systems – Side scanning or contour mapping sonar systems

High speed multibeam sidelock sonar with few elements

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

Holder for rotatable sensor array

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

Human echolocation system