DE34639C - Innovation in the contacts of microphones - Google Patents

Innovation in the contacts of microphones

Info

Publication number
DE34639C
DE34639C DENDAT34639D DE34639DA DE34639C DE 34639 C DE34639 C DE 34639C DE NDAT34639 D DENDAT34639 D DE NDAT34639D DE 34639D A DE34639D A DE 34639DA DE 34639 C DE34639 C DE 34639C
Authority
DE
Germany
Prior art keywords
microphones
innovation
contacts
contact
sheet
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.)
Expired - Lifetime
Application number
DENDAT34639D
Other languages
German (de)
Original Assignee
Firma hartmann & braun in Bockenheim-Frankfurt a. Main
Publication of DE34639C publication Critical patent/DE34639C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R21/00Variable-resistance transducers
    • H04R21/02Microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Description

BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.BERLIN. PRINTED IN THE REICH PRINTING COMPANY.

Claims (1)

Patent-Anspruch:Patent claim: Zum Zwecke der Verstellbarkeit der Berührungspunkte der Contacte bei Mikrophonen die mittelst Schraubenkopf R ermöglichte drehbare Anordnung des Contactes K. For the purpose of adjusting the contact points of the microphones, the rotatable arrangement of the contact K made possible by means of the screw head R. Hierzu 1 Blatt" Zeichnungen.1 sheet of "drawings.
DENDAT34639D Innovation in the contacts of microphones Expired - Lifetime DE34639C (en)

Publications (1)

Publication Number Publication Date
DE34639C true DE34639C (en)

Family

ID=310536

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT34639D Expired - Lifetime DE34639C (en) Innovation in the contacts of microphones

Country Status (1)

Country Link
DE (1) DE34639C (en)

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