Inventor

HOLLINGER DAVID P

US4 patents

⚠️ This page may combine multiple inventors who share the name “HOLLINGER DAVID P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HYDROACOUSTIC INC

3 patents

US4509170AApr 2, 1985

Time division multiplex transmission of submultiplex sequences of signals from sections of a chain of data acquisition units

HYDROACOUSTIC INC45 citations89

US6771561B2Aug 3, 2004

Sonar system especially for shallow water application such as in littoral environments

HYDROACOUSTIC INC8 citations71

US5515055AMay 7, 1996

System for processing returns from a target from transmissions containing repeated signals to detect the doppler velocity of the target

HYDROACOUSTIC INC4 citations59

HYROACOUSTICS INC

1 patent

US6181646B1Jan 30, 2001

Geophysical exploration system using seismic vibrator source which provides a composite sweep

HYROACOUSTICS INC41 citations89