DE297449C - - Google Patents

Info

Publication number
DE297449C
DE297449C DENDAT297449D DE297449DA DE297449C DE 297449 C DE297449 C DE 297449C DE NDAT297449 D DENDAT297449 D DE NDAT297449D DE 297449D A DE297449D A DE 297449DA DE 297449 C DE297449 C DE 297449C
Authority
DE
Germany
Prior art keywords
insert body
sound
thermal
heat conductor
effect
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
DENDAT297449D
Other languages
German (de)
English (en)
Priority date (The priority date 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 date listed.)
Publication of DE297449C publication Critical patent/DE297449C/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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • H04R23/002—Transducers other than those covered by groups H04R9/00 - H04R21/00 using electrothermic-effect transducer

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
DENDAT297449D 1915-03-17 Active DE297449C (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE191505846X 1915-03-17

Publications (1)

Publication Number Publication Date
DE297449C true DE297449C (enExample)

Family

ID=32668501

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT297449D Active DE297449C (enExample) 1915-03-17

Country Status (3)

Country Link
DE (1) DE297449C (enExample)
GB (1) GB191505846A (enExample)
NL (1) NL4053C (enExample)

Also Published As

Publication number Publication date
NL4053C (enExample)
GB191505846A (en) 1916-04-19

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