DE343005C - - Google Patents

Info

Publication number
DE343005C
DE343005C DENDAT343005D DE343005DA DE343005C DE 343005 C DE343005 C DE 343005C DE NDAT343005 D DENDAT343005 D DE NDAT343005D DE 343005D A DE343005D A DE 343005DA DE 343005 C DE343005 C DE 343005C
Authority
DE
Germany
Prior art keywords
membrane
sound
pen
vibrations
oscillation
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
DENDAT343005D
Other languages
German (de)
English (en)
Publication of DE343005C publication Critical patent/DE343005C/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Electrophonic Musical Instruments (AREA)
DENDAT343005D Active DE343005C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE343005C true DE343005C (enrdf_load_stackoverflow)

Family

ID=572526

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT343005D Active DE343005C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE343005C (enrdf_load_stackoverflow)

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