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.)
Telefunken AG
Original Assignee
Telefunken AG
Publication date
Application grantedgrantedCritical
Publication of DE549852CpublicationCriticalpatent/DE549852C/de
H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
H04R9/02—Details
H04R9/04—Construction, mounting, or centering of coil
Landscapes
Physics & Mathematics
(AREA)
Engineering & Computer Science
(AREA)
Acoustics & Sound
(AREA)
Signal Processing
(AREA)
Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups
(AREA)
Description
Hierzu 1 Blatt Zeichnungen
Claims (1)
Patentanspruch:
Tauchspule für elektrodynamische Lautsprecher, deren Windungen in erne Kunstharzmasse
eingebettet sind, dadurch gekennzeichnet, daß die Kunstharzmasse um die Drahtwindungen der Spule und über
den Ansatz oder Rand der Membran gepreßt ist.