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

Digitizing planimeter

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

Dimensioning system and method of dimensioning

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

Dimensioning system and method of dimensioning

Reissue Patent

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

Direction finding circuit arrangement

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

Directional acoustic transducer

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

Discriminating ultrasonic proximity detection system

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

Display system for fish sonar

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

Distance detecting apparatus

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

Distance measurement device

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

Distance measurement system

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

Distance measuring device

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

Distance measuring device for acoustically measuring distance

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

Distance measuring system arranged to limit false indications of

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

Distance measuring system using ultrasonic ranging

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

Distance measuring systems altimeters and aircraft

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

Distance sensing apparatus

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

Distance sensing device

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

Diver orientation apparatus and method

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

Diversified transmission multichannel detection system