DE253378C - - Google Patents

Info

Publication number
DE253378C
DE253378C DENDAT253378D DE253378DA DE253378C DE 253378 C DE253378 C DE 253378C DE NDAT253378 D DENDAT253378 D DE NDAT253378D DE 253378D A DE253378D A DE 253378DA DE 253378 C DE253378 C DE 253378C
Authority
DE
Germany
Prior art keywords
ring
membrane
section
rubber
sound box
Prior art date
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.)
Active
Application number
DENDAT253378D
Other languages
German (de)
English (en)
Publication of DE253378C publication Critical patent/DE253378C/de
Active legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Vibration Prevention Devices (AREA)
DENDAT253378D Active DE253378C (cg-RX-API-DMAC7.html)

Publications (1)

Publication Number Publication Date
DE253378C true DE253378C (cg-RX-API-DMAC7.html)

Family

ID=511662

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT253378D Active DE253378C (cg-RX-API-DMAC7.html)

Country Status (1)

Country Link
DE (1) DE253378C (cg-RX-API-DMAC7.html)

Similar Documents

Publication Publication Date Title
DE253378C (cg-RX-API-DMAC7.html)
DE2506710C2 (de) Piezoelektrischer elektroakustischer Wandler
DE976947C (de) Federnde Einspannung der Membran einer Sprech- oder Hoerkapsel
DE1255056B (de) Spannzwinge
DE199570C (cg-RX-API-DMAC7.html)
DE1203498B (de) UEbertrager von elektrischen in mechanische Schwingungen fuer die Ultraschall-Werkstoff-pruefung
DE1277346B (de) Kristallmikrophon
DE185200C (cg-RX-API-DMAC7.html)
DE342839C (cg-RX-API-DMAC7.html)
DE319093C (de) Halter fuer Putz-, Scheuertuecher u. dgl.
DE234554C (cg-RX-API-DMAC7.html)
DE94901C (cg-RX-API-DMAC7.html)
DE279204C (cg-RX-API-DMAC7.html)
AT44329B (de) Wiedergabevorrichtung für Schall erzeugende Instrumente.
DE108974C (cg-RX-API-DMAC7.html)
DE551756C (de) Schalenfoermige Membran (Feder), insbesondere fuer akustische Zwecke
DE325489C (de) Durch Hebelgetriebe wirkende UEbertragungsvorrichtung fuer Mikroschwingungen
AT105866B (de) Akustische Vorrichtung.
AT38585B (de) Dornlose Klemmschnalle.
DE237575C (de) Sprechmaschinenschalldose mit veraenderlicher schwingungsamplitude der membran
DE411914C (de) Fuehrung fuer Filmstreifen
DE443425C (de) Schalldose fuer Sprechmaschinen
DE215346C (cg-RX-API-DMAC7.html)
DE202186C (cg-RX-API-DMAC7.html)
AT58699B (de) Nadelträger für Sprechmaschinen.