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DE28444C - microphone - Google Patents

microphone

Info

Publication number
DE28444C
DE28444C DENDAT28444D DE28444DA DE28444C DE 28444 C DE28444 C DE 28444C DE NDAT28444 D DENDAT28444 D DE NDAT28444D DE 28444D A DE28444D A DE 28444DA DE 28444 C DE28444 C DE 28444C
Authority
DE
Germany
Prior art keywords
diaphragm
microphone
carbon
metal disks
carbon cylinder
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
DENDAT28444D
Other languages
German (de)
Original Assignee
M. TENZER in Spandau
Publication of DE28444C publication Critical patent/DE28444C/en
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
    • H04R21/00—Variable-resistance transducers
    • H04R21/02—Microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Description

Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.

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

Claims (1)

Patent-Anspruch:Patent claim: Zum Zweck der deutlichen Uebertragung der Schallschwingungen von der Membran des Aufgabemikrophons nach der Membran des Ernpfangstelephons die Anordnung des mit der Membran α α festverbundenen Kohlencylinders b und der durch seitlich angebrachte Metallscheiben dd erschwerten Kohlenwalze c, welche infolge der scharfen Ränder der Metallscheiben dd, an der Platte/ leicht gleitend, der Bewegung des Kohlencylinders b bequem folgen kann, im wesentlichen so wie beschrieben.For the purpose of the clear transmission of the sound vibrations from the diaphragm of the task microphone to the diaphragm of the reception telephone, the arrangement of the carbon cylinder b , which is firmly connected to the diaphragm α α, and the carbon roller c made more difficult by laterally attached metal disks dd , which due to the sharp edges of the metal disks dd, on the Plate / easily sliding, can comfortably follow the movement of the carbon cylinder b , essentially as described.
DENDAT28444D microphone Active DE28444C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE30139T

Publications (1)

Publication Number Publication Date
DE28444C true DE28444C (en)

Family

ID=5621873

Family Applications (2)

Application Number Title Priority Date Filing Date
DENDAT30139D Expired - Lifetime DE30139C (en) Innovation in the microphone patented under No. 28444
DENDAT28444D Active DE28444C (en) microphone

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DENDAT30139D Expired - Lifetime DE30139C (en) Innovation in the microphone patented under No. 28444

Country Status (1)

Country Link
DE (2) DE28444C (en)

Also Published As

Publication number Publication date
DE30139C (en)

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