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Priority to AU60222/73ApriorityCriticalpatent/AU480673B2/en
Priority claimed from AU60222/73Aexternal-prioritypatent/AU480673B2/en
Application grantedgrantedCritical
Publication of AU480673B2publicationCriticalpatent/AU480673B2/en
Publication of AU480673ApublicationCriticalpatent/AU480673A/xx
G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
G10K11/18—Methods or devices for transmitting, conducting or directing sound
G10K11/26—Sound-focusing or directing, e.g. scanning
G10K11/32—Sound-focusing or directing, e.g. scanning characterised by the shape of the source
