DE240010C - - Google Patents

Info

Publication number
DE240010C
DE240010C DENDAT240010D DE240010DA DE240010C DE 240010 C DE240010 C DE 240010C DE NDAT240010 D DENDAT240010 D DE NDAT240010D DE 240010D A DE240010D A DE 240010DA DE 240010 C DE240010 C DE 240010C
Authority
DE
Germany
Prior art keywords
sheet
membrane
folds
sound
way
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
DENDAT240010D
Other languages
German (de)
English (en)
Publication of DE240010C publication Critical patent/DE240010C/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
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • 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
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/14—Non-planar diaphragms or cones corrugated, pleated or ribbed

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
DENDAT240010D Active DE240010C (cs)

Publications (1)

Publication Number Publication Date
DE240010C true DE240010C (cs)

Family

ID=499404

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT240010D Active DE240010C (cs)

Country Status (1)

Country Link
DE (1) DE240010C (cs)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5420284A (en) * 1992-10-14 1995-05-30 Bayer Aktiengesellschaft Process for the preparation of 2-substituted 5-alkyl-pyridines
US5466800A (en) * 1992-07-13 1995-11-14 Bayer Aktiengesellschaft Process for the preparation of 2,5-disubstituted pyridines

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5466800A (en) * 1992-07-13 1995-11-14 Bayer Aktiengesellschaft Process for the preparation of 2,5-disubstituted pyridines
US5420284A (en) * 1992-10-14 1995-05-30 Bayer Aktiengesellschaft Process for the preparation of 2-substituted 5-alkyl-pyridines

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