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

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

Finding the direction of a sound

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

Finding the direction of a sound

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

Fine-resolution, water-depth measuring system

Communications – electrical: acoustic wave systems and devices – Receiver circuitry – Responsive to intruder energy

Firearm discharge detection device and warning system

Communications – electrical: acoustic wave systems and devices – Transmitter systems – Animal control

Fish behavior control system

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

Fish counter with scanning transducer

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

Fish detection apparatus

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

Fish detector capable of detecting species of fish

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

Fish finder

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

Fish finder

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

Fish finder

Communications – electrical: acoustic wave systems and devices – Signal transducers – Underwater type

Fish finder mounting bracket

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

Fish finding device and method for detecting and...

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

Fish finding method and system

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

Fish finding method and system

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

Fish locator

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Fish sonar

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

Fish sonar

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

Fish sonar