Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Signal GmbH
Original Assignee
Signal GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Signal GmbHfiledCriticalSignal GmbH
Application grantedgrantedCritical
Publication of FR474609ApublicationCriticalpatent/FR474609A/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
G10K11/004—Mounting transducers, e.g. provided with mechanical moving or orienting device
Landscapes
Physics & Mathematics
(AREA)
Engineering & Computer Science
(AREA)
Acoustics & Sound
(AREA)
Multimedia
(AREA)
FR474609D1913-07-241914-07-03Appareil récepteur disposé dans l'eau extérieure, pour signaux acoustiques sous-marins
ExpiredFR474609A
(fr)
Perfectionnements aux appareils pour indiquer et enregistrer les variations de niveau de l'eau entre des points prédéterminés, ou autrement, dans les générateurs de vapeur