DE200614C - - Google Patents

Info

Publication number
DE200614C
DE200614C DENDAT200614D DE200614DA DE200614C DE 200614 C DE200614 C DE 200614C DE NDAT200614 D DENDAT200614 D DE NDAT200614D DE 200614D A DE200614D A DE 200614DA DE 200614 C DE200614 C DE 200614C
Authority
DE
Germany
Prior art keywords
membrane
sound
plate
intermediate plate
sound tube
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
DENDAT200614D
Other languages
German (de)
English (en)
Publication of DE200614C publication Critical patent/DE200614C/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/38—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means in which sound waves act upon both sides of a diaphragm and incorporating acoustic phase-shifting means, e.g. pressure-gradient microphone

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
DENDAT200614D Active DE200614C (cg-RX-API-DMAC10.html)

Publications (1)

Publication Number Publication Date
DE200614C true DE200614C (cg-RX-API-DMAC10.html)

Family

ID=463239

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT200614D Active DE200614C (cg-RX-API-DMAC10.html)

Country Status (1)

Country Link
DE (1) DE200614C (cg-RX-API-DMAC10.html)

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