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Anciens Etablissements Barbier Benard and Turenne SA
Original Assignee
Anciens Etablissements Barbier Benard and Turenne SA
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Application filed by Anciens Etablissements Barbier Benard and Turenne SAfiledCriticalAnciens Etablissements Barbier Benard and Turenne SA
Application grantedgrantedCritical
Publication of FR38672EpublicationCriticalpatent/FR38672E/fr
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
G10K11/28—Sound-focusing or directing, e.g. scanning using reflection, e.g. parabolic reflectors
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Physics & Mathematics
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Engineering & Computer Science
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Acoustics & Sound
(AREA)
Multimedia
(AREA)
FR38672D1930-06-251930-06-25Perfectionnements aux récepteurs acoustiques pour appareils d'écoute
ExpiredFR38672E
(fr)