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

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – With time interval measuring means

Identification and location of an object via passive...

Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Land-reflection type

Identification of stress in formations using angles of fast...

Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Well logging

Identification of stress induced anisotropy in formations

Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Land-reflection type

Identifying an internal multiple generator in a subterranean...

Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Well logging

Identifying the Q -factor using microseismic event...

Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Land-reflection type

Identifying, characterizing, and mapping of seismic noise

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

Image conversion for a scanning toroidal volume search sonar

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – With beam steering – scanning – or focussing

Image derived directional microphones

Communications – electrical: acoustic wave systems and devices – Acoustic image conversion – Acoustic holography

Image processing system and method for estimating acoustic prope

Communications – electrical: acoustic wave systems and devices – Acoustic image conversion

Imaging apparatus

Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Well logging

Imaging near-borehole structure using directional...

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

Imaging sonar and detection system using such a sonar

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

Imaging sonar system and method

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

Imaging system and associated method for surveying underwater ob

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

Imaging system and associated method for surveying underwater ob

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

Imaging system for detecting underground objects and associated

Communications – electrical: acoustic wave systems and devices – Acoustic image conversion – With memory means

Imaging system with multiple, simultaneous transmissions

Communications – electrical: acoustic wave systems and devices – Testing – monitoring – or calibrating

Impedance and common mode rejection testing of a multi-channel s

Communications – electrical: acoustic wave systems and devices – Wellbore telemetering – Through drill string or casing

Impedance matched joined drill pipe for improved acoustic transm