UNDERWATER SPEAKERS

Brand Owner (click to sort) Address Description
AQUASOUND Octasound Inc. 931 PROGRESS AVENUE, UNIT 12 SCARBOROUGH, ONTARIO, M1G 3V5 Canada Underwater speakers; audio equipment, namely, pre-amplifiers, amplifiers and above-water pool speakers; natatorium sound systems composed of audio power amplifiers which drive the underwater speakers, centrally-located speakers, multi-locational speakers, voice and music input pre-amplifiers and above-water speaker power amplifiers, together with wiring and other means of communication between these components;AQUA SOUND;
OCEANEARS Harper, Edward E. 1638 Cottonwood Drive North Canton OH 447201102 Underwater Speakers, Underwater Loudspeakers, Hydrophones, Underwater Sound Systems comprised of amplifiers, cassette decks, CD Players, AM/FM Radio Tuners, underwater speakers, and underwater loudspeakers; acoustic diver recall systems comprised of siren/amplifiers, microphones, underwater speakers, and underwater loudspeakers; diver signaling devices in the nature of non-explosive electronic siren, amplifier, underwater speakers and underwater loudspeakers; and synchronized swimming sound systems comprised of cassette decks, CD Players, AM/FM Radio Tuner, audio mixer, audio equalizer, audio compressor/limiter/gate, power amplifiers, air speakers, underwater speakers, and underwater loudspeakers;OCEAN EARS;
 

Where the owner name is not linked, that owner no longer owns the brand

    
Technical Examples
  1. An arrangement and method for parallel alignment of propeller shafts in a first and a second underwater housing arranged on the hull of a vessel, which underwater housings are arranged to rotate around an axis of rotation which is angled in relation to the propeller shafts arranged in each underwater housing, which arrangement includes a servo motor arranged for each underwater housing, which servo motor is arranged to rotate said underwater housing. A position sensor arranged for each servo motor, which position sensor is arranged to detect an angular position of the underwater housing. A control unit in which a reference angular position of the underwater housing is arranged to be stored during a calibration of the position of the underwater housing; and a calibrator of the position of the underwater housings by storing output signals from the position sensors in the control unit during a parallel alignment of propeller shafts in two underwater housings arranged on the hull of a vessel.